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Atrial Fibrillation Update: A Textbook of Cardiology
Praveen Chandra, HK Chopra, GS Wander, Viveka Kumar
SECTION 1: CLINICAL SPECTRUM OF ATRIAL FIBRILLATION
CHAPTER 1:
Atrial Fibrillation: An Overview
INTRODUCTION
RISK FACTORS
CLASSIFICATION
CLINICAL FEATURES
MANAGEMENT
CHAPTER 2:
Risk Factors for Atrial Fibrillation
INTRODUCTION
RISK FACTORS
Clinical Risk Factors
Valvular Heart Disease
Heart Failure
Hypertension
Coronary Artery Disease
Congenital Heart Disease
Diabetes and Metabolic Syndrome
Chronic Kidney Diseases
Obstructive Sleep Apnea
Other Cardiopulmonary Diseases
Reversible Risk Factors
Hyperthyroidism
Cardiac Surgery
Noncardiac Surgery
Cardiopulmonary Infections
Alcohol and Other Addictive Drugs
Air Pollution
Non-modifiable Factors
Age
Gender
Emerging Risk Factors
Genetic Factors
Pericardial Fat
CONCLUSION
CHAPTER 3:
Valvular Atrial Fibrillation: How is It Different from Nonvalvular Atrial Fibrillation?
INTRODUCTION
DEFINITIONS
ATRIAL FIBRILLATION INMITRAL STENOSIS
ATRIAL FIBRILLATION IN OTHER VALVULAR HEART DISEASES
ATRIAL FIBRILLATION INPROSTHETIC HEART VALVES
ATRIAL FIBRILLATION IN BIOPROSTHETIC VALVES ANDVALVE REPAIR
THE INDIAN SCENARIO
NEWER TERMS
CONCLUSION
CHAPTER 4:
Homocysteine and Atrial Fibrillation
INTRODUCTION
HYPERHOMOCYSTEINEMIA ATRIAL THROMBUS
HYPERHOMOCYSTEINEMIA AND VITAMIN B6 DEFICIENCY
ATRIAL FIBRILLATION AND ORAL ANTICOAGULATION
CULPRIT FACTORS FOR FAILURE OF ORAL ANTICOAGULATION THERAPY
HOMOCYSTEINE AND CATHETER ABLATION
HYPERHOMOCYSTEINEMIA AS A PREDICTIVE OF ATRIAL FIBRILLATION RECURRENCE
STRUCTURAL AND ELECTRICAL REMODELING IN ATRIAL FIBRILLATION
CHAPTER 5:
Vitamin D Deficiency and Atrial Fibrillation
INTRODUCTION
BIOLOGY: THE ‘ABC’ OF VITAMIN D
VITAMIN D: BEYOND BONES
VITAMIN D DEFICIENCY: DIAGNOSTIC RANGES
Biological Plausibility
Calcium Handling
Renin-angiotensin-aldosterone System
Inflammation
Thrombosis
VITAMIN D DEFICIENCY AND AF: SHARED RISK FACTORS
Evidence: For and Against
HYPE RELATED TO VITAMIN D DEFICIENCY
IMPLICATIONS FOR CLINICAL PRACTICE: THERAPEUTIC BOON, OR A BRIDGE TOO FAR…
CHAPTER 6:
Electrolyte Imbalance and Atrial Fibrillation
INTRODUCTION
DEFINITIONS OF ATRIAL FIBRILLATION
CLASSIFICATION OF THE MOST FREQUENT UNDERLYING CAUSES OF ATRIAL FIBRILLATION
Reversible Causes of Atrial Fibrillation
Atrial Fibrillation with AssociatedHeart Disease
Atrial Fibrillation without Associated Heart Disease
Electrolytes and Atrial Fibrillation
CHAPTER 7:
Anemia and Atrial Fibrillation
INTRODUCTION
PREVALENCE OF ANEMIA IN ATRIAL FIBRILLATION
ANEMIA AND NEW ONSET ATRIAL FIBRILLATION
Clinical Characteristics of Anemia with Atrial Fibrillation
Anemia as a Predictor of Thromboembolic Events in AF
Anemia as a Predictor of Bleeding Complications in AF
Anemia as a Predictor of Mortality in AF
Impact of Anemia on AF Patients Undergoing PCI
Anticoagulation in Presence of Anemia:A Double-edged Sword
CHAPTER 8:
Sepsis and Atrial Fibrillation
INTRODUCTION
DEFINITIONS AND CLASSIFICATIONS
EPIDEMIOLOGY
ATRIAL FIBRILLATION IN SEPSIS: A UNIQUE ENTITY
UNDERLYING MECHANISMS OF AF IN SEPSIS
Diagnostic Evaluation
Management of AF in Sepsis
Hemodynamically Unstable Patients
Hemodynamically Stable Patients
Modifiable Promoters of Atrial Fibrillation
ANTICOAGULATION DURING CARDIOVERSION
LONG-TERM ANTICOAGULATION
CONCLUSION
CHAPTER 9:
Obstructive Sleep Apnea and Atrial Fibrillation
INTRODUCTION
PATHOPHYSIOLOGY OF AF IN OSA
Atrial Stretch
Hypoxemia and Hypercapnia
Autonomic Imbalance
Inflammation and Neurohumeral Activation
Hypertension
Obesity and Metabolic Syndrome
TREATMENT OF AF IN OSA PATIENTS
CHAPTER 10:
Air Pollution and Atrial Fibrillation: Present Status and Future Directions
INTRODUCTION
WHAT IS AIR POLLUTION?
CARDIOVASCULAR DISEASE AND AIR POLLUTION
MECHANISM OF CARDIOVASCULAR EFFECTS OF AIR POLLUTION
AIR POLLUTION AND CARDIAC ARRHYTHMIAS
AIR POLLUTION AND ATRIAL FIBRILLATION
CONCLUSION
CHAPTER 11:
Predictors of Stroke in Atrial Fibrillation
INTRODUCTION
STROKE AND THROMBOEMBOLISM
RISK FACTORS FOR STROKE IN ATRIAL FIBRILLATION
RISK STRATIFICATION SCHEMES
CHADS2
CHA2DS2-VASc
Other Risk Stratification Schemes
RISK FACTORS FOR BLEEDING
CONCLUSION
CHAPTER 12:
Atrial Fibrillation: Clinical Spectra
INTRODUCTION
ATRIAL FIBRILLATION IN ACUTE MYOCARDIAL INFARCTION
ATRIAL FIBRILLATION AFTER CARDIAC SURGERY
ATRIAL FIBRILLATION AFTER NONCARDIAC SURGERY
ATRIAL FIBRILLATION IN PRE-EXCITATION
ATRIAL FIBRILLATION IN HYPERTROPHIC CARDIOMYOPATHY
ATRIAL FIBRILLATION IN HEART FAILURE
ATRIAL FIBRILLATION IN PREGNANCY
VAGOTONIC AND ADRENERGIC ATRIAL FIBRILLATION
LONE ATRIAL FIBRILLATION
CHAPTER 13:
Syncope and Atrial Fibrillation
INTRODUCTION
MECHANISM OF SYNCOPE IN PAROXYSMAL ATRIAL FIBRILLATION
PAROXYSMAL ATRIAL FIBRILLATION AND NEUROCARDIOGENIC SYNCOPE
PERSISTENT ATRIAL FIBRILLATION
OTHER MECHANISMS: SYNCOPE IN AF
Sick Sinus Syndrome
AV Node Disease
AF in Hypertrophic Cardiomyopathy
AF with Wolf-Parkinson White syndrome
ATRIAL FIBRILLATION: A BYSTANDER IN SYNCOPE
SYNCOPE FROM DRUGS IN THE TREATMENT OF AF
PAROXYSMAL ATRIAL FIBRILLATION AND BRUGADA SYNDROME
CONCLUSION
CHAPTER 14:
Chronic Kidney Disease andAtrial Fibrillation
INTRODUCTION
STAGING OF KIDNEY DISEASE
CARDIOVASCULAR DISEASE IN CHRONIC KIDNEY DISEASE
CKD AND AF PREVALENCE
Thromboembolic Risk in CKD with AF
Benefits and Risks of Oral Antithrombotic Therapy
RECOMMENDATIONS AND MANAGEMENT PLAN (ACCORDING TO CKD STAGE AND EGFR)
Estimated glomerular filtration rate 30–59 ml/min/1.73 m2 (Stage 3 CKD)
Estimated Glomerular Filtration Rate 15–29 ml/min/1.73 m2 (Stage 4 CKD)
Estimated Glomerular Filtration Rate Less than 15 mL/min/1.73 m2 but not on Dialysis (Stage 5 CKD)
Patients on Dialysis (Stage 5D CKD)
Patients for whom Withholding Antithrombotic Therapy is Reasonable39
Summary: Oral Antithrombotic Therapy in Patients of CKD with AF 44
Drugs
CHAPTER 15:
Hyperthyroidism and Atrial Fibrillation
INTRODUCTION
MAGNITUDE OF THE PROBLEM
SUBCLINICAL HYPERTHYROIDISM AS A RISK FOR ATRIAL FIBRILLATION
ELECTROPHYSIOLOGICAL MECHANISM OF ATRIAL FIBRILLATION IN HYPERTHYROIDISM
Treatment of Atrial Fibrillation in Hyperthyroidism
Role of Anticoagulation in Atrial Fibrillation with Hyperthyroidism
CONCLUSION
CHAPTER 16:
Hypothyroidism and Atrial Fibrillation
INTRODUCTION
THYROID HORMONE ON CARDIOVASCULAR HEMODYNAMICS
HYPOTHYROIDISM
CONCLUSION
CHAPTER 17:
Hypertension, Atrial Fibrillation and Other Cardiac Arrhythmias
INTRODUCTION
ATRIAL ARRHYTHMIAS IN HYPERTENSION
VENTRICULAR ARRHYTHMIAS IN HYPERTENSION
HYPERTENSION, CONDUCTION SYSTEM, AND ARRHYTHMOGENESIS
T-wave Morphology
Late Potentials
ILLUSTRATION CASE OF CARDIAC ARRHYTHMIAS IN A PATIENT WITH HYPERTENSION
CONCLUSION
CHAPTER 18:
Increased Carotid Intima-media Thickness and Atrial Fibrillation
INTRODUCTION
DEFINITION OF CAROTID INTIMA-MEDIA THICKNESS
HOW TO MEASURE CAROTID INTIMA-MEDIA THICKNESS
Recommended Scan Protocol
Carotid Plaque Evaluation
Carotid Intima-media Thickness inAtrial Fibrillation
Risk Factors in Atrial Fibrillation
Possible Underlying Mechanisms Explaining Association of Carotid Intima-media Thickness with Atrial Fibrillation
Carotid Intima-media Thickness as Risk Factor for Atrial Fibrillation, in Literature
CONCLUSION
CHAPTER 19:
Nuclear Scan and Atrial Fibrillation
INTRODUCTION
METHODOLOGY
GATED SPECT
Data Analysis
MYOCARDIAL PERFUSION
Myocardial Perfusion is Nonischemic Dilated Cardiography with and without Atrial Fibrillation
PROTOCOL AND STUDY DESIGN
HYPEREMIC FLOW AND FLOW RESERVE
CONCLUSION
CHAPTER 20:
Women and Atrial Fibrillation
INTRODUCTION
ATRIAL FIBRILLATION EPIDEMIOLOGY
CLINICAL CHARACTERISTICS OF AF IN WOMEN
CLINICAL OUTCOMES IN WOMEN WITH ATRIAL FIBRILLATION
Risk of Stroke
Total Mortality
Myocardial Infarction
Cancer
EFFECT OF GENDER ON ATRIAL FIBRILLATION TREATMENT
Anticoagulation Utilization andRisk of Bleeding
Rhythm Control Strategy and Antiarrhythmic Drug Adverse Events
Ablation Therapy for Atrial Fibrillation
SUMMARY AND CONCLUSION
CHAPTER 21:
Risk Factors for Stroke in Atrial Fibrillation
INTRODUCTION
ASSESSMENT OF RISK OF STROKE IN ATRIAL FIBRILLATION
RISK STRATIFICATION SCORES IN ATRIAL FIBRILLATION
ASSESSMENT OF RISK FOR BLEEDING WITH ANTICOAGULATION
Risk of Stroke in Silent Atrial Fibrillation
CHAPTER 22:
Rheumatic Heart Disease and Atrial Fibrillation
INTRODUCTION
DEFINITION
EPIDEMIOLOGY
PATHOPHYSIOLOGY
Clinical Presentation
Physical Examination and Investigations
Electrocardiography
Chest X-ray
Two-dimensional Echocardiography
NATURAL HISTORY
COMPLICATIONS
MANAGEMENT
RATE-CONTROL DRUGS
ANTICOAGULATION
SURGERY
ABLATION
Left Atrial Appendage Device Occlusion
CONCLUSION
ACKNOWLEDGMENT
CHAPTER 23:
Atrial Fibrillation in Children
INTRODUCTION
GENETICS
MECHANISM AND PATHOGENESIS OF ATRIAL FIBRILLATION (FIG. 2)13–16
Possible Substrates for Pediatric Presentation of AF20–22
Congenital Heart Diseases—with or without Intervention
Valvular Heart Disease22–24
DILATED CARDIOMYOPATHY AND HYPERTROPHIC CARDIOMYOPATHY
HYPERTHYROIDISM31–36
MISCELLANEOUS CAUSES
CLINICAL FEATURES
TYPES OF ATRIAL FIBRILLATION
DIAGNOSIS
GOAL OF THERAPY (TABLE 3)
Complications
Prevention of Thromboembolism
AF Induced Cardiomyopathy
Treatment
Treatment Algorithm 52, 53
Electrical Conversion 52, 53
Pharmacological Conversion52–56
Surgery/Catheter Ablation in Atrial Fibrillation
RATE CONTROL52, 53
DIGOXIN IN ATRIAL FIBRILLATION61, 62
Recurrence in Atrial Fibrillation in Children
CONCLUSION
CHAPTER 24:
Peripartum Cardiomyopathy and Atrial Fibrillation
CHAPTER 25:
Stable Coronary Artery Disease and Atrial Fibrillation
INTRODUCTION
MANAGEMENT
CONCLUSION
CHAPTER 26:
Histopathology of the Atria in Mitral Stenosis with Respect to the Underlying Rhythm: Implications for Treatment
INTRODUCTION
HISTOPATHOLOGICAL CHANGES IN NONVALVULAR AF
HISTOPATHOLOGIC CHANGES IN RHEUMATIC AF
IMPLICATIONS FOR TREATMENT
CHAPTER 27:
Atrial Fibrillation and Heart Failure
INTRODUCTION
COMMON RISK FACTORS
Aging
Hypertension
Heart Failure and Coronary Artery Disease
Pericardial Fat and Obesity
Sleep Apnea
Atrial Dilatation and Stretch
OTHER RISK FACTORS
GENETIC RISK FACTORS AND AF
GENETIC VARIANTS ASSOCIATED WITH AF
MECHANISMS OF ATRIAL FIBRILLATION
DIAGNOSTIC EVALUATION AND FOLLOW-UP OF PATIENTS WITH ATRIAL FIBRILLATION
Diagnostic Evalution
Clinical History
Quality of Life
Past Medical History
Medications
Physical Examination
Diagnostics
Follow-up
Anticoagulation
MANAGEMENT OF AF IN PATIENTS WITH HEART FAILURE
Effect on Cardiac Function
Correction of Reversible Causes of Heart Failure
ACUTE MANAGEMENT
Systolic or Diastolic Heart Failure
Rate versus Rhythm Control
Heart Failure with Reduced Ejection Fraction
Rhythm Control
Electrical Cardioversion
Antiarrhythmic Drug Therapy
Rate Control
Principles of Rate Control
Atrioventricular Junction Ablation with Pacing
Left Atrial Appendage Exclusion for AF
NOVEL UPSTREAM THERAPIES TO PREVENT AF PERPETUATION
CONCLUSION
CHAPTER 28:
The Mind-Heart Connection and Atrial Fibrillation
INTRODUCTION
MECHANISM
EVIDENCE-BASED TREATMENT
SCREENING IN THE CARDIAC SETTING
TREATMENT ALTERNATIVES
CHAPTER 29:
Initiators, Triggers and Promotersof Atrial Fibrillation
INTRODUCTION
INITIATORS OF ATRIAL FIBRILLATION
Genetics
TRIGGERS OF ATRIAL FIBRILLATION
Promoters of Atrial Fibrillation
CHAPTER 30:
Pregnancy and Atrial Fibrillation
INTRODUCTION
INCIDENCE
MECHANISM OF ARRHYTHMOGENESIS
ONSET DURING PREGNANCY
ETIOLOGY
PREDICTORS FOR ATRIAL FIBRILLATION/ATRIAL FLUTTER
CLINICAL FEATURES
DIAGNOSIS
THERAPEUTICS
MANAGEMENT OF ACUTE EPISODES
Rhythm Control versus Rate Control
CONCLUSION
CHAPTER 31:
Cardiac Infiltrating Disorders andAtrial Fibrillation
INTRODUCTION
PATHOPHYSIOLOGY OF ATRIAL FIBRILLATION IN INFILTRATING CARDIAC DISORDERS3–5
CLINICAL FEATURES
EVALUATION AND MANAGEMENT
Electrocardiogram
Two-dimensional Echo and Tissue Doppler
Cardiac Magnetic Resonance Imaging
Biopsy
Management
Identification of Fibrosis and Ablation for Rhythm Control
Amyloidosis7, 14–16
Fabry's Disease15, 17
Danon Disease15, 18
Friedreich Ataxia15, 19
Cardiac Oxalosis15, 20, 21
Mucopolysaccharidoses15, 22
Sarcoidosis 7, 15, 23–25
Wegener Disease15, 26
Hemochromatosis15, 27, 28
Endomyocardial Fibrosis and Loffler's Endocarditis 29–31
CONCLUSION
CHAPTER 32:
Marfan's Syndrome andAtrial Fibrillation
INTRODUCTION
ATRIAL FIBRILLATION AND OTHER ARRHYTHMIAS IN MARFAN'S SYNDROME
DISCUSSION
Electrophysiological Abnormality Leading to AF
Management of Arrhythmias
AF Catheter Ablation to Maintain Sinus Rhythm: Recommendations
Surgical Maze Procedures: Recommendations
CONCLUSION
CHAPTER 33:
Mitral Valve Prolapse and Atrial Fibrillation
INTRODUCTION
CLINICAL FEATURES AND DIAGNOSIS OF MITRAL VALVE PROLAPSE
NATURAL HISTORY AND ATRIAL ARRHYTHMIAS IN MVP
MECHANISMS OF ATRIAL FIBRILLATION IN MVP
CLINICAL COURSE AND MANAGEMENT
CHAPTER 34:
Idiopathic Dilated Cardiomyopathywith Atrial Fibrillation
INTRODUCTION
PATHOGENESIS
IMPACT OF ATRIAL FIBRILLATION ON DCM
PRECIPITATION OF HEART FAILURE
THERAPEUTIC CONSIDERATION
CHAPTER 35:
Dilated Cardiomyopathy andAtrial Fibrillation
INTRODUCTION
CLASSIFICATION OF ATRIAL FIBRILLATION
Atrial Fibrillation and Heart Failure: Association and Prevalence
PROGNOSTIC SIGNIFICANCE OF ATRIAL FIBRILLATION IN HEART FAILURE
CLINICAL PRESENTATION OF PATIENTS PRESENTING WITH AF AND HF
How Would You Assess a Patient with AF and Heart Failure with Reduced Ejection Fraction (HFrEF)?
MANAGEMENT OF ATRIAL FIBRILLATION IN PATIENTS WITH HEART FAILURE WITH REDUCED EJECTION FRACTION (HFrEF)
Management of Acute AF Episode in Patients with HFrEF
Prevention of Systemic Thromboembolism
Ventricular Rate Control
Rhythm Control
Electrical Cardioversion
Rhythm Versus Rate Control
CLINICAL TRIALS
Pharmacologic Rhythm Control
DISCUSSION
CONCLUSION
CHAPTER 36:
Atrial Fibrillation andHypertrophic Cardiomyopathy
INTRODUCTION
AF PREVALENCE AND DETECTION
LA Remodeling and AF in HCM
Clinical Outcomes Associated in AF with HCM
MANAGEMENT OF AF WITH HCM
Acute Treatment of AF with HCM
Thromboembolism Prophylaxis of AF with HCM
Rate Control V/S Rhythm Control of AF with HCM
Catheter Ablation of AF with HCM
Surgical Management of AF with HCM
CONCLUSION
CHAPTER 37:
Atrial Fibrillation in TropicalEndomyocardial Fibrosis
INTRODUCTION
INCIDENCE
CLINICAL FEATURES
Hemodynamics in Atrial Fibrillation
TREATMENT
CHAPTER 38:
Chronic Obstructive PulmonaryDisease and Atrial Fibrillation
INTRODUCTION
COPD AND CARDIOVASCULAR DISEASES: INTERTWISTING TALE
ECG ABNORMALITIES IN COPD
COPD AND ATRIAL FIBRILLATION AF): ARRHYTHMOGENIC MECHANISMS
TREATMENT
CONCLUSION
CHAPTER 39:
Obesity and Prognosis in Atrial Fibrillation: With orwithout Oral Anticoagulants
INTRODUCTION
PHYSIOLOGICAL CORRELATION BETWEEN OBESITY AND ATRIAL FIBRILLATION
Autonomic Dysfunction and AF
BIOCHEMICAL CORRELATION BETWEEN OBESITY AND ATRIAL FIBRILLATION
OBESITY: A PROTHROMBOTIC STATE
Obesity Paradox
Complications of Atrial Fibrillation with or without Obesity
Treatment of Patients with AF with or without Obesity
Anticoagulation Base Upon CHA2DS2-VASc Score
Risk Factor Modification in Atrial Fibrillation with Obesity
How to Approach AF Patients with Obesity
CONCLUSION
CHAPTER 40:
Takotsubo Mimicking Acute MyocardialInfarction and Atrial Fibrillation
INTRODUCTION
EPIDEMIOLOGY
PATHOPHYSIOLOGY
CLINICAL PRESENTATION
DIAGNOSIS
Electrocardiogram
Arrhythmias
Ventricular Arrhythmias
Atrial Fibrillation
Troponins
Echocardiography
Cardiac Catheterization and Angiographic Findings
MANAGEMENT
Preventing Thromboembolism
PROGNOSIS
CONCLUSION
CHAPTER 41:
Atrial Fibrillation in Pulmonary Arterial Hypertension
INTRODUCTION
PREVALENCE
PRESENTATION
MECHANISM
TREATMENT
RESTORATION OF SINUS RHYTHM
ROLE OF ANTIARRHYTHMICS
ANTICOAGULATION
SECTION 2: DIAGNOSIS OF ATRIAL FIBRILLATION
CHAPTER 42:
ECG Profile in Atrial Fibrillation
INTRODUCTION
ATRIAL FIBRILLATION WITH VENTRICULAR ECTOPY
A Note on Ashman Phenomenon
ATRIAL FIBRILLATION WITH COMPLETE HEART BLOCK
ATRIAL ECTOPICS PRECIPITATING ATRIAL FIBRILLATION
ATRIAL FIBRILLATION IN CORONARY ARTERY DISEASE
ATRIAL FIBRILLATION WITHWOLFF–PARKINSON–WHITE SYNDROME
Note on Concertina Effect
ATRIAL FIBRILLATION IN HYPERTROPHIC CARDIOMYOPATHY (Fig. 12)
CHAPTER 43:
Three-dimensional Mapping in Atrial Fibrillation
INTRODUCTION
EVOLUTION OF MAPPING
ADVANTAGES AND DISADVANTAGESOF 3D MAPPING
3D MAPPING SYSTEMS
The CartoTM System
Limitations of the Carto System
ENSITETMNAVX SYSTEM
Rhythmia System
IMPORTANT ASPECTS OF LEFT ATRIUM ANATOMY
HOW TO ACQUIRE A 3DMAP: PRACTICAL ASPECTS?
FUTURE OF MAPPING
CHAPTER 44:
External Loop Recorder and Atrial Fibrillation
INTRODUCTION
EXTERNAL LOOP RECORDER
DETECTION OF SUBCLINICAL ATRIAL FIBRILLATION IN CRYPTOGENIC STROKE
RATIONALE FOR USE OF EXTERNAL LOOP RECORDER IN ATRIAL FIBRILLATION
CURRENT INDICATIONS OF EXTERNAL LOOP RECORDER
CONCLUSION
CHAPTER 45:
Implantable Loop Recorder in Atrial Fibrillation
INTRODUCTION
IMPLANTABLE LOOPRECORDER DEVICE
Implantable Loop Recorders in Management of Atrial Fibrillation
Early Detection of Atrial Fibrillation
Determination of the Success of Atrial Fibrillation Ablation
Stroke-risk Stratification
Guiding Anticoagulation Therapy and Stroke Prevention in Paroxysmal Atrial Fibrillation
CONCLUSION
CHAPTER 46:
Echocardiography in Atrial Fibrillation
INTRODUCTION
ECHO EVALUATION OF INTERATRIAL SEPTUM, RIGHT AND LEFT ATRIA
Steps Involved in Viewing of theInteratrial Septum
3D EVALUATION OF LEFT ATRIUM
3D EVALUATION OF LEFTATRIAL APPENDAGE
ASSESSMENT OF MITRALVALVULAR FUNCTION
ASSESSMENT OF LEFTVENTRICULAR FUNCTION
CONCLUSION
CHAPTER 47:
Atrial Fibrillation, Left Atrial Size and Volume Evaluation in Nonvalvular Atrial Fibrillation
INTRODUCTION
LEFT ATRIAL ASSESSMENT
Left Atrial Size
Left Atrial Area
Left Atrial Volume
Transesophageal Echocardiography
Left Atrial Strain
Computerized Tomographic Scan
Cardiac Magnetic Resonance Imaging
MANAGEMENT
Preventing Thromboembolism
Anticoagulants
Left Atrial Appendage Occlusion/Exclusion
Rate Control
Rhythm Control
Catheter Ablation
CHAPTER 48:
Monitoring Devices in Atrial Fibrillation
INTRODUCTION
IMPACT OF ATRIAL FIBRILLATION
THE NEED FOR MONITORING DEVICES
EVOLUTION OF DETECTION METHODS
NONINVASIVE MONITORING
Holter Monitoring
Event Monitoring
Mobile Cardiovascular Telemetry
INVASIVE MONITORING
Clinical Implications of Remote Monitoring
Advantages in Remote Monitoring
STUDIES COMPARING DIFFERENT METHODS
LIMITATIONS OF REMOTE MONITORING
CONCLUSION
CHAPTER 49:
Role of Echo and Doppler in Atrial Fibrillation
INTRODUCTION
TRANSTHORACIC ECHOCARDIOGRAPHY
TRANSESOPHAGEAL ECHOCARDIOGRAPHY
CONCLUSION
CHAPTER 50:
Superiority of Three-dimensionalEchocardiography in Atrial Fibrillation Evaluation
INTRODUCTION
DIAGNOSTIC MODALITIES
CURRENT PRACTICE ANDFUTURE DEVELOPMENTS
CONCLUSION
CHAPTER 51:
Atrial Fibrillation: Role of Transesophageal Echocardiography
INTRODUCTION
Atrial Fibrillation
ECHOCARDIOGRAPHY INATRIAL FIBRILLATION
TRANSESOPHAGEAL ECHO
PREDICTORS OF THROMBOEMBOLISM IN ATRIAL FIBRILLATION
TEE-guided Cardioversion
Radiofrequency Ablation ofAtrial Fibrillation
LEFT ATRIAL APPENDAGE—THE ISSUE IS CLOSED!
Review of Anatomy and Physiology
The Issue of Closure
CONCLUSION
CHAPTER 52:
Evaluation of Diastolic Dysfunction in Atrial Fibrillation
INTRODUCTION
SIGNIFICANCE OF DIASTOLIC DYSFUNCTION
HEMODYNAMIC CONCEPTS OF DIASTOLE
WHAT IS DIASTOLIC DYSFUNCTION?
Echocardiographic Techniques to Evaluate Diastolic Dysfunction in Sinus Rhythm
ASSESSMENT OF DIASTOLIC DYSFUNCTION IN ATRIAL FIBRILLATION
Basic Principles of Diastolic Function Assessment in AF
Suggested Variables for Assessment of Diastolic Dysfunction in AF
CONCLUSION
CHAPTER 53:
Emergency Echocardiography and Atrial Fibrillation
INTRODUCTION
CLINICAL PROBLEMS IN ATRIAL FIBRILLATION
INDICATIONS FOR EMERGENCYECHO IN ATRIAL FIBRILLATION (BOX 1)
TRANSTHORACIC ECHOCARDIOGRAPHY IN ATRIAL FIBRILLATION
Assessment of AF Etiology
Assessment of Cardiac Structure and Function in AF
Assessment of Valvular Functions
Anatomical Assessment of LA Size in AF
Assessment of LV Systolic Function in AF
Assessment of LV Diastolic Function in AF
TRANSESOPHAGEAL ECHOCARDIOGRAPHY
Identification of LA/LAA Thrombus
TEE-Guided Early Cardioversion inAtrial Fibrillation
CHAPTER 54:
Strain and Strain Rate Imaging and Atrial Fibrillation
INTRODUCTION
STRAIN AND STRAIN RATE IMAGING
Strain and Strain Rate Imaging to Prove Fibrotic Cardiomyopathy Process of Left Atrial Dysfunction in Atrial Fibrillation
Strain and Strain Rate Imaging for Predicting Atrial Fibrillation Incidence in High-risk Patients
Strain and Strain Rate Imaging for Predicting Progression of Paroxysmal toPermanent Atrial Fibrillation
Strain and Strain Rate Imaging for Predicting Thromboembolism Risk in Paroxysmal Atrial Fibrillation or Atrial Fibrillation
Strain and Strain Rate Imaging for Predicting Maintenance of Sinus Rhythm after Cardioversion or Radiofrequency Ablation
Strain and Strain Rate Imaging for Predicting Heart Failure and Cardiovascular Mortality in Atrial Fibrillation
CHAPTER 55:
Incremental Value of Left Atrial Strain in Patients with Atrial Fibrillation
INTRODUCTION
WHAT IS MYOCARDIAL STRAIN?
HOW IS LEFT ATRIALSTRAIN MEASURED?
PATHOPHYSIOLOGICAL CORRELATES OF LEFT ATRIAL STRAIN
ROLE IN CLINICAL PRACTICE
Prediction of Atrial Fibrillation
Prediction of Stroke Risk
Outcomes after Cardioversion
Recurrence of Atrial Fibrillation after Catheter Ablation
CONCLUSION
CHAPTER 56:
Dobutamine Stress Echocardiography and Atrial Fibrillation
INTRODUCTION
HISTORY OF DOBUTAMINE STRESS ECHOCARDIOGRAPHY
DOBUTAMINE AND OTHER STRESSORS
ETIOLOGICAL FACTORS
Atrial Fibrillation and CoronaryArtery Disease
Hemodynamics
Coronary Blood Flow in AF
Impact of AF on Noninvasive Evaluation ofCAD Using Various Stress Protocols
Indications for Performing Stress Studiesin Patients with AF
Myocardial Perfusion Studies
Impact of Ischemic MPI Scores onPrognosis in Patients with AF
Stress Cardiomagnetic Resonance inPatients with Suspected or Known CAD
Dobutamine Stress Echocardiography
Occurrence Atrial FibrillationsDuring DSE
METHODOLOGY
INTERPRETATIONS
Protocol Concerns during DSEin Patients with AF
Integration of Innovative Techniques, During DSE in Patients with AF
Speckle-tracking Echocardiography
3D Echocardiography
CASE SCENARIO 1
CASE SCENARIO 2
CONCLUSION
CHAPTER 57:
Multimodality Cardiac Imaging in Atrial Fibrillation
INTRODUCTION
EPIDEMIOLOGY
EVALUATION OF PATIENT WITHATRIAL FIBRILLATION
ECHOCARDIOGRAPHY IN THE EVALUATION OF PATIENTS WITH ATRIAL FIBRILLATION
ECHOCARDIOGRAPHICASSESSMENT OF LEFT ATRIAL
LEFT ATRIAL EJECTION FRACTION
ASSESSMENT OF LA FUNCTION
SPECTRAL DOPPLER INASSESSMENT OF LA FUNCTION
ASSESSMENT OF LV DIASTOLIC DYSFUNCTION IN PATIENTS WITH AF
LA FUNCTION ASSESSMENT BY MITRAL ANNULAR TISSUE DOPPLER VELOCITIES
ASSESSMENT OF SEGMENTAL LA FUNCTION BY TISSUE DOPPLER IMAGING
SPECKLE TRACKING: LA STRAIN AND STRAIN RATE IMAGING
ECHOCARDIOGRAPHIC ASSESSMENT OF RIGHT ATRIUM
Checklist for Echocardiographic Evaluation of Patients with Atrial Fibrillation
LA Appendage
TRANSESOPHAGEAL ECHOCARDIOGRAPHY
CHECKLIST FOR TEE IN EVALUATION OF PATIENTS WITH AF
Additional Noninvasive Modalities in Evaluation of Patients with AF
Role of MDCT Imaging in Patients with AF
CHECKLIST FOR MDCT IMAGING IN PATIENS WITH AF
CARDIAC MAGNETIC RESONANCE IMAGING
Impact of Preablation LGECMR on AF Recurrence
ROLE OF CMR IN VALUATING THE EFFICACY OF ATRIAL FIBRILLATION ABLATION AND GUIDING REPEAT PROCEDURES
CHECKLIST FOR CMR IMAGING INPATIENTS WITH ATRIAL FIBRILLATION
INTRACARDIAC ECHOCARDIOGRAPHY IN MANAGEMENT OF PATIENTS WITH ATRIAL FIBRILLATION
CHECKLIST FOR INTRACARDIAC ECHOCARDIOGRAPHY IMAGING DURING CATHETER ABLATION OF ATRIAL FIBRILLATION
NOVEL IMAGING MODALITIES USEDDURING CATHETER ABLATION
FUSION OF IMAGING TECHNOLOGIES
ROLE OF LEFT ATRIAL APPENDAGE CLOSURE IN AF
IMAGING FOR LEFT ATRIAL APPENDAGE CLOSURE
FUTURE PERSPECTIVES
CLINICAL PERSPECTIVE
ACKNOWLEDGMENTS
CHAPTER 58:
Cardiac MRI and Atrial Fibrillation
INTRODUCTION
CHAMBER QUANTIFICATION AND CARDIAC MAGNETIC RESONANCE
CARDIAC MAGNETIC RESONANCE TECHNIQUES/LATE GADOLINIUM ENHANCEMENT
ARRHYTHMIA RECURRENCE
CARDIAC MAGNETIC RESONANCE AND LEFT ATRIAL APPENDAGE THROMBUS
ROLE OF CARDIAC MAGNETIC RESONANCE AND COMPUTED TOMOGRAPHY ANGIOGRAPHY IN LEFT ATRIAL IMAGING
CARDIAC MAGNETIC RESONANCE TISSUE CHARACTERIZATION
NOVEL CARDIAC MAGNETIC RESONANCE TECHNIQUES: TISSUE TRACKING AND STRAIN
4-DIMENSIONAL FLOW MAGNETIC RESONANCE IMAGING
CHAPTER 59:
Cardiac MRI and Atrial Fibrillation: An Indian Perspective
INTRODUCTION
CARDIOVASCULAR MAGNETIC RESONANCE AND LEFT ATRIAL REMODELING
DELAYED ENHANCED CARDIOVASCULAR MAGNETIC RESONANCE AND ATRIAL FIBROSIS
DELAYED ENHANCED CARDIOVASCULAR MAGNETIC RESONANCE ACQUISITION
Role of Postablation Cardiovascular Magnetic Resonance
CARDIOVASCULAR MAGNETIC RESONANCE AND STROKE IN ATRIAL FIBRILLATION
CONCLUSION
CHAPTER 60:
Cardiac CT and Atrial Fibrillation
INTRODUCTION
CARDIAC CT IN ATRIAL FIBRILLATION
Coronary Artery Evaluation
Evaluation of Other Possible Etiologies
Role in Atriopulmonary Mapping
Role in Follow-up after Ablation
CARDIAC CT ACQUISITION
CT Coronary Angiography
CT for Pulmonary Venous Anatomy
ADVANTAGES OF CT OVEROTHER MODALITIES
LIMITATIONS OF CT IN ATRIAL FIBRILLATION
CARE BEFORE CT
CONCLUSION
SECTION 3: MANAGEMENT STRATEGIES OF ATRIAL FIBRILLATION
CHAPTER 61:
Yoga and Atrial Fibrillation
INTRODUCTION
WHAT IS YOGA?
ROLE OF YOGA IN ATRIAL FIBRILLATION
Mechanism of Beneficial Effects of Yoga in Atrial Fibrillation
CONCLUSION
CHAPTER 62:
Atrial Fibrillation in Acute STEMI and ACS
INTRODUCTION
INCIDENCE
CLINICAL CHARACTERISTICS
PREDICTORS OF AF IN STEMI AND IMPACT OF PRIMARY PCI
HEMODYNAMIC AND ARRHYTHMOGENIC EFFECTS OF AF
FACTORS CONTRIBUTING TO DEVELOPMENT OF AF IN AMI
MORTALITY TRENDS
DEVELOPMENT OF MI IN PATIENTS WITH AF
MANAGEMENT
CHAPTER 63:
Atrial Fibrillation and Percutaneous Coronary Interventions: Impact in Selecting Antithrombotic Events
INTRODUCTION
ASSOCIATION BETWEEN ATRIAL FIBRILLATION AND CORONARY ARTERY DISEASE
DRUGS, ATRIAL FIBRILLATION AND ACUTE CORONARY SYNDROME
MANAGING ANTICOAGULATION DURING PERCUTANEOUS CORONARY INTERVENTIONS
LONG-TERM ANTITHROMBOTIC STRATEGY IN PATIENTS WITH ATRIAL FIBRILLATION, WHO RECEIVE PERCUTANEOUS CORONARY INTERVENTION
POINTS TO REMEMBER
CONCLUSION
CHAPTER 64:
AF Management Strategies in Medically Managed ACS
INTRODUCTION
MANAGEMENT
CHAPTER 65:
Atrial Fibrillation Complicating Acute Myocardial Infarction
INTRODUCTION
INCIDENCE OF ATRIAL FIBRILLATION IN ACUTE MYOCARDIAL INFARCTION (TABLE 1)
CLINICAL VARIABLES AND PREDICTORS OF ATRIAL FIBRILLATION DEVELOPMENT
CAUSES AND HEMODYNAMIC CONSEQUENCES OF AF8
PROGNOSTIC IMPLICATIONS OF AF IN AMI (TABLE 2)13
TREATMENT OF AF COMPLICATING AMI
Oral Anticoagulation Plus Dual Antiplatelet Therapy (Triple Therapy) after Primary PCI11
Oral Anticoagulant Therapy after Acute Coronary Syndrome in Atrial Fibrillation Patients
CONCLUSION
CHAPTER 66:
STEMI with Atrial Fibrillation
INTRODUCTION
FACTORS CONTRIBUTING TO DEVELOPMENT OF AF IN AMI
Clinical Predictors Associated with Development of AF in AMI
Prognostic Significance of AF in AMI
Long-term Implications of AF with AMI
MANAGEMENT OF AF IN AMI
MANAGEMENT OF STEMI IN PATIENTS WITH UNDERLYING ATRIAL FIBRILLATION
Triple Therapy: Oral Anticoagulation Plus Dual Antiplatelet Therapy after Primary PCI
CONCLUSION
CHAPTER 67:
Tenecteplase, STEMI and Atrial Fibrillation
INTRODUCTION
MECHANISM OF AF IN AMI
INCIDENCE AND PREDICTORS OF ATRIAL FIBRILLATION IN STEMI PATIENTS
PROGNOSTIC IMPLICATIONS
Specific Question of Effect of Thrombolytics (Especially Tenecteplase) Atrial Fibrillation in AMI
TREATMENT OF AF COMPLICATING AMI
Recommended Guidelines of AF Complicating Acute Coronary Syndromes41
Class I
Class IIb
CONCLUSION
CHAPTER 68:
Oral Anticoagulants in the Management of Acute Coronary Syndrome and Atrial Fibrillation
INTRODUCTION
ATRIAL FIBRILLATION IN ACS
MANAGEMENT
VITAMIN K ANTAGONISTS OR NOACs IN ACS AND AF-EVIDENCE
CURRENT RECOMMENDATIONS8
EXCEPTIONS TO THE RECOMMENDATIONS FOR NONVALVAR AF PATIENTS8
CONCLUSION
CHAPTER 69:
Atrial Fibrillation and cute Coronary Syndrome
INTRODUCTION
RISK FACTORS AND PREVALENCE
Mechanisms of Initiation of AF
Hemodynamic Problems with AF in ACS
MANAGEMENT OF AF DURING ACS
New Onset AF in ICCU
Anticoagulation
Management Strategies in Patients with Pre-existing AF Developing ACS30
Primary PCI
NSTE–ACS and AF Management Strategies
Triple Drug Therapy Current Guidelines
NOACs Use in ACS
CONCLUSION
ADDENDUM
CHAPTER 70:
Paroxysmal Recurrent AF in ACS: Management Strategies
INTRODUCTION
MECHANISM OF NEW-ONSET AF IN ACS
MANAGEMENT STRATEGIES
Anticoagulation Management
Rate Control vs Rhythm Control
CATHETAR ABLATION
CONCLUSION
CHAPTER 71:
Telemedicine and Atrial Fibrillation
INTRODUCTION
INTERNET OF THINGS IN HEALTHCARE
ATRIAL FIBRILLATION DESCRIPTION AND SCREENING AND EVALUATION
Occult Atrial Fibrillation
MODES AND METHODS OF ATRIAL FIBRILLATION DETECTION
ATRIAL FIBRILLATION—EPIDEMIOLOGICAL REPORT (TABLE 1)
Digitization of Healthcare
System Architecture for IoT Medical Devices
Healthcare Monitoring Systems
Wearable Technology (Box 6)
IOT BASED MEDICAL DEVICES
Our Experience
Our Study Experience
Other Devices
Challenges, Benefits and Future
CONCLUSION
KEY POINTS
ACKNOWLEDGMENTS
CHAPTER 72:
CHA2DS2-VASc Score andAtrial Fibrillation
INTRODUCTION
RISK STRATIFICATION OF PATIENTS WITH ATRIAL FIBRILLATION FOR PREVENTION OF THROMBOEMBOLIC COMPLICATION
CHADS2 RISK ASSESSMENT FOR STROKE PREVENTION IN ATRIAL FIBRILLATION
CHA2DS2-VASC SCORE
Accuracy of CHADS2 versus CHA2DS2-VASc
Classification of CHADS2 versusCHA2DS2-VASc
Advantages of CHAD2-VASc ScoreOver Chads2 (Fig. 2)
Gender and the Caveat to CHA2DS2-VASc
ASPIRIN AND OTHER ANTITHROMBOTIC THERAPY
Bleeding Risk with Antithrombotic Therapy
Use of HAS-BLED to Assess Bleeding Risk in Atrial Fibrillation Patients
CHAPTER 73:
NSTEMI and Atrial Fibrillation
INTRODUCTION
INCIDENCE OF ATRIAL FIBRILLATION IN NSTEMI
Clinical Variables Associated with the Development of Atrial Fibrillation in NSTEMI
SIGNIFICANCE OF AF DEVELOPING LATE AFTER MI
PROGNOSTIC IMPLICATIONS
In-hospital Mortality
Mortality during Follow-up
RICO STUDY
IMPACT OF ATRIAL FIBRILLATION ON STROKE
ANTICOAGULATION
Consensus Recommendations
General Considerations
MODERATE-TO-HIGH RISK NSTEMI
BLEEDING RISK
DURATION
TREATMENT OF ATRIAL FIBRILLATION IN NSTEMI
CONCLUSION
CHAPTER 74:
Atrial Fibrillation in Critically III Patients
INTRODUCTION
OUTCOMES OF PATIENTS WITH NEW ONSET AF IN CRITICALLY ILL
PROPHYLAXIS AND TREATMENT OF NEW ONSET ATRIAL FIBRILLATION
Algorithm for Treatment of New Onset Atrial Fibrillation
RATE V/S RHYTHM MANAGEMENT
STROKE RISK PREVENTION
SCHEMA FOR BEGINNING ANTICOAGULATION
HAS-BLED SCORING SYSTEM
In the Advent of Heart Failure
Contraindication and Caution to Antiarrhythmics
Pitfalls of Reviews
CONCLUSION
CHAPTER 75:
Atrial Fibrillation with Fast Ventricular Rate
INTRODUCTION
AF WITH FAST VENTRICULAR RESPONSE OR RATE
CLINICAL FEATURES
DIAGNOSIS
Echocardiography
X-ray Chest PA View
Laboratory Investigations
Drugs used for Control of Ventricular Rate in AF
Control of Heart Rate in Presence of Pre-excitation
Shock in AF with FVR
Rhythm Control Drugs
Prevention of Thromboembolic Complications
Aspirin
Clopidogrel
Warfarin
Newer Oral Anticoagulants
Advantages
LIMITATIONS OF NEWER AGENTS
RECOMMENDATIONS
HEPARIN
MANAGEMENT OF ATRIAL FIBRILLATION
PHARMACOLOGICAL/ELECTRICAL CARDIOVERSION
Electrical Cardioversion
RHYTHM CONTROL
NONPHARMACOLOGICAL MANAGEMENT
Catheter Ablation
Contraindication for Catheter Ablation
Recommendation
Radiofrequency Catheter Ablation
Cryoballoon Ablation
Ablation of Atrioventricular Node
Surgical Approaches for AF
AF IN SPECIFIC CLINICAL SITUATION
Heart Failure
Wolff-Parkinson-White Syndrome
Postoperative Atrial Fibrillation
CONCLUSION
CHAPTER 76:
Postoperative Atrial Fibrillation
INTRODUCTION
INCIDENCE
PATHOPHYSIOLOGY
PREDICTORS
CLINICAL MANIFESTATIONS
MANAGEMENT
RATE CONTROL OR RHYTHM CONTROL?
Rate Control
Rhythm Control
ANTITHROMBOTIC THERAPY
CHAPTER 77:
AF in Patients withCardiogenic Shock and on IABP
INTRODUCTION AND CLINICAL PRESENTATION
DIAGNOSTIC EVALUATION
Epidemiology
Management of Patients with Hemodynamic Instability
Direct External Cardioversion
Further Management
CHAPTER 78:
Beta-blockers and Atrial Fibrillation
INTRODUCTION
ROLE OF BETA-BLOCKERS
BETA-BLOCKERS IN ACUTE ATRIAL FIBRILLATION
Hemodynamically Unstable Acute Atrial Fibrillation
Hemodynamically Stable and Symptomatic Acute Atrial Fibrillation
Hemodynamically Stable and Asymptomatic Acute Atrial Fibrillation
ROLE OF BETA BLOCKERS ONCE SINUS RHYTHM IS RESTORED
BETA BLOCKERS IN CHRONIC ATRIAL FIBRILLATION
Rate Control
Rhythm Control
NONPHARMACOLOGICAL MODULATION OF AUTONOMIC NERVOUS SYSTEM IN AF
CONCLUSION
CHAPTER 79:
Calcium Channel Blockers andAtrial Fibrillation
INTRODUCTION
CALCIUM CHANNEL BLOCKERS
Pharmacology of Calcium Channel Blockers
Electrophysiologic Properties of Calcium Channel Blockers
CALCIUM CHANNEL BLOCKERS FOR RATE CONTROL IN ATRIAL FIBRILLATION
Rate Control Goals and Strategies in Atrial Fibrillation
Calcium Channel Blockers for Rate Control
Acute Rate Control
Chronic Calcium Channel Blocker Therapy
CALCIUM CHANNEL BLOCKERS FOR RHYTHM CONTROL
General Side Effects/Precautions
Specific Clinical Cautions with use in Atrial Fibrillation
SUMMARY
CHAPTER 80:
Selection of Anti-arrhythmic Drugs in Management of Atrial Fibrillation: Role of Propafenone
INTRODUCTION
PROPAFENONE: PHARMACOKINETICS
Absorption
Metabolism
Plasma Concentrations
β-BLOCKING EFFECT
ELECTROPHYSIOLOGICAL EFFECTS
HEMODYNAMIC EFFECTS
EFFECTS OF PROPAFENONE ON ISCHEMIC TISSUES
Adverse Effects
Noncardiac Effects
Cardiovascular Effects
Proarrhythmic Effects
DOSAGE
PROPAFENONE CLINICAL EFFICACY
Acute Treatment:Conversion to Sinus Rhythm
Chronic Treatment: Sinus Rhythm Maintenance and Prevention of Atrial Fibrillation Recurrences
CONTRAINDICATIONS
USE IN SPECIFIC PATIENT POPULATIONS
Use in Children
Use in Pregnancy
CONCLUSION
CHAPTER 81:
Amiodarone in Atrial Fibrillation
INTRODUCTION
PATHOPHYSIOLOGY OF ATRIAL FIBRILLATION
MECHANISM OF ACTION OF AMIODARONE IN ATRIAL FIBRILLATION
INDICATIONS OF AMIODARONE IN ATRIAL FIBRILLATION
Chemical Cardioversion of AF
Maintenance of Sinus Rhythm
Rate Control
AF and CHF
AF and Wolff-Parkinson-White Syndrome
AF and Hypertrophic Cardiomyopathy
ADVERSE EFFECTS
UNCERTAINTIES OF AMIODARONE IN ATRIAL FIBRILLATION
PRECAUTIONS
CONCLUSION
CHAPTER 82:
Amiodarone in AF with Heart Failure
INTRODUCTION
AMIODARONE
Contraindication
Dose
Adverse Effects
AMIODARONE IN MANAGEMENT OF AF WITH HF
CHAPTER 83:
Amiodarone versus Propafenone in Atrial Fibrillation
INTRODUCTION
PROPAFENONE VERSUS AMIODARONE
Pharmacodynamics
Pharmacokinetics
Clinical Efficacy
TREATMENT OF RECENT ONSET ATRIAL FIBRILLATION
TERMINATION OF CHRONIC ATRIAL FIBRILLATION AND PREVENT RECURRENCE
Adverse Effects
CONCLUSION
CHAPTER 84:
Ivabradine and Atrial Fibrillation
INTRODUCTION
IVABRADINE AND OCCURRENCE OF ATRIAL FIBRILLATION
IVABRADINE IN PERMANENT ATRIAL FIBRILLATION
CHAPTER 85:
Recurrent Paroxysmal Atrial Fibrillation: Management Strategies
INTRODUCTION
BIOMARKERS FOR ATRIAL FIBRILLATION
NATURAL PROGRESSION (FIG. 1)13
PATHOPHYSIOLOGY OF ATRIAL FIBRILLATION (FIGS 2A TO C)
MANAGEMENT OF NEW-ONSET AF
Hemodynamically Unstable Patients
Long-term Management (Maintain Sinus Rhythm)
ANTIARRHYTHMIC AGENTS (TABLE 2)40
Guidelines for Drug Selection
ESC Guidelines
UPSTREAM THERAPY47
THROMBOEMBOLISM AND AF
Does Rhythm Control Reduce Stroke Risk?
Chronic Prophylaxis: OAC vs Antiplatelet Drugs
Newer Anticoagulants (NOAC)
Rivaroxaban
Apixaban
CATHETER ABLATION FOR ATRIAL FIBRILLATION
Methodology
Criteria for Success
Results of Catheter Ablation in Paroxysmal Atrial Fibrillation
COMPLICATIONS
Catheter Ablation to Maintain Sinus Rhythm
CONCLUSION
CHAPTER 86:
Acenocoumarol in Atrial Fibrillation
INTRODUCTION
ACENOCOUMAROL—MECHANISM OF ACTION
Vitamin K and Blood Coagulation
Efficacy and Safety
In Atrial Fibrillation
In Nonvalvular Atrial Fibrillation
Acenocoumarol versus Wafarin
Pharmacokinetics of Acenocoumarol
Dose and Administration
Long-term Use of Acenocoumarol
Advantages of Acenocoumarol
Limitations of Acenocoumarol
CONCLUSION
CHAPTER 87:
Role of Vitamin K Antagonist in Prevention of Stroke in Atrial Fibrillation
INTRODUCTION
MECHANISM OF ACTION
Factors Affecting the Anticoagulant Effect of VKAs
VITAMIN K-ANTAGONIST METABOLISM
HALF-LIVES OF DIFFERENT VKAS6
APPROACH TO ANTICOAGULATION
DECIDE ON ANTICOAGULATION7–9
SELECT AN ANTICOAGULANT
INITIATE ANTICOAGULANT
COMPLICATIONS15–18
REVERSAL OF ANTICOAGULANT EFFECT OF WARFARIN19–22
CHAPTER 88:
Apixaban and Stroke Prevention in Nonvalvular Atrial Fibrillation
INTRODUCTION
NEWER ORAL ANTICOAGULANT: APIXABAN
Pharmacokinetics
Dose
COMPARISON WITH OTHER ORAL DRUGS
CONCLUSION
CHAPTER 89:
Dabigatran and Stroke Prevention in Nonvalvular Atrial Fibrillation
INTRODUCTION
Nonvitamin K Oral Anticoagulants (NOACs)
STROKE RISK ASSESSMENT
DABIGATRAN
Dabigatran in Clinical Use
RE-LY TRIAL
Antidote for Dabigatran
CONCLUSION
CHAPTER 90:
Rivaroxaban: The Most Promising NOAC in Stroke Prevention in NVAF—Challenges in India and in the Real World
INTRODUCTION
GUIDELINES FOR STROKE PREVENTION IN ATRIAL FIBRILLATION
Rivaroxaban: A Once-daily Oral Anticoagulant
Rivaroxaban in Atrial Fibrillation: the ROCKET AF Trial
REAL-WORLD EXPERIENCE
PRACTICAL CONSIDERATIONS
CONCLUSION
CHAPTER 91:
Oral Anticoagulant in Atrial Fibrillation for Stroke Prevention: Old is Gold
INTRODUCTION
NOVEL ORAL ANTICOAGULANT
LIMITATIONS WITH THE USE OF NOVAL ORAL ANTICOAGULANTS
THE FUTURE AHEAD
CONCLUSION
CHAPTER 92:
NOAC in DVT and PE with or without Atrial Fibrillation
INTRODUCTION
REVIEW AND DISCUSSION
Advantages and Disadvantages of NOACs vs VKA
How is AF Associated with VTE?
Main Results of the Meta-analysis
Indication for NOACs in Naïve Patients in the Clinic or Hospital with DVT or PE or Non-valvular AF
Specific Considerations for Use of NOACs
Medications as per Clinical Background
Conversion from/to Parenteral Anticoagulation and from VKA to NOACs
GUIDELINES FOR MANAGEMENT OF VENOUS THROMBOEMBOLISM WITH NOACS
CONCLUSION
CHAPTER 93:
Superiority of Novel Oral Anticoagulants over Vitamin K Antagonists
INTRODUCTION
Pharmacology of VKA's
Limitations of VKA's
Rationale for Development of NOAC's
Pharmacology of NOACS's (Table 1)
Postulated Advantages of NOAC's over VKA's (Table 2)
Available Evidence with NOAC's
CONCLUSION
CHAPTER 94:
Peripheral Vascular Disease, Atrial Fibrillation and New Oral Anticoagulants
INTRODUCTION
PREVALENCE OF AF IN VASCULAR DISEASE
Risk Factors for Peripheral Vascular Disease and Atrial Fibrillation
Mechanism of Atrial Fibrillation in Peripheral Vascular Disease
Peripheral Vascular Disease and Stroke Risk in Atrial Fibrillation
Atrial Fibrillation and Peripheral Vascular Disease
Peripheral Vascular Disease in Atrial Fibrillation
CLINICAL PRESENTATION
COMPLICATIONS OF PERIPHERAL VASCULAR DISEASE
New Oral Anticoagulants (NOACs) in Peripheral Vascular Disease and Atrial Fibrillation
DISADVANTAGES OF NEW ORAL ANTICOAGULANTS
PERIPHERAL ARTERY DISEASE AND NOACS
ATRIAL FIBRILLATION AND NOACS
CONCLUSION
CHAPTER 95:
Oral Anticoagulants andDrug Interaction
INTRODUCTION
BASICS OF METABOLISM AND TRANSPORT OF XENOBIOTICS
Permeability Glycoprotein (P-GP)
Cytochromes P450 System
BASIC PHARMACOLOGY OF VITAMIN K ANTAGONISTS
Mechanisms of Drug Interaction of VKAs
Alteration of Exogenous Vitamin K Load
Alteration of Pharmacokinetics of VKAs
Pharmacodynamic Interaction
Clinically Significant Interactions of VKAs
BASIC PHARMACOLOGY OF NEW ORAL ANTICOAGULANTS
Clinically Significant Drug Interactions of NOACs (Tables 5 and 6)
CONCOMITANT USE WITH ANTIPLATELET AGENTS
CHAPTER 96:
Atrial Fibrillation: The Journey andSuccess Achieved
INTRODUCTION
EVIDENCES AND ELECTROPHYSIOLOGIST PERSPECTIVE
REMOTE-CONTROLLED ATRIAL FIBRILLATION ABLATION
NEW HORIZONS AND TECHNOLOGY
Remote Magnetic Navigation
Balloon-based Pulmonary Vein Isolation
CONCLUSION
Ten Commandments and My Viewpoints
CHAPTER 97:
Fondaparinux and Atrial Fibrillation
INTRODUCTION
FONDAPARINUX:SAME GLASS NEW WINE
Advantages of Fondaparinux
Fondaparinux in Bridging during Electrical Cardioversion
Fondaparinux as Bridging Therapy in AF Ablation
End Stage Renal Disease and Atrial Fibrillation
Novel Oral Anticoagulant Versus Fondaparinux
CONCLUSION
CHAPTER 98:
Heparin in Atrial Fibrillation
INTRODUCTION
USE OF HEPARIN AND LMWH IN ATRIAL FIBRILLATION
Af-related Acute Stroke
Use of Ufh/Lmwh for Cardioversion of Af
Anticoagulation for Af during Pregnancy
To Bridge or Not to Bridge in Perioperative Period
CHAPTER 99:
Pulmonary Embolism, Atrial Fibrillationand Tenecteplase
INTRODUCTION
PULMONARY EMBOLISM
Tenecteplase
Pulmonary Embolism and Atrial Fibrillation
Management Issues
CONCLUSION
CHAPTER 100:
Pulmonary Embolism andAtrial Fibrillation
INTRODUCTION
PATHOPHYSIOLOGY: ATRIAL FIBRILLATION AND PULMONARY EMBOLISM
CONCLUSION
CHAPTER 101:
Hypercoagulable State, Atrial Fibrillation and Role of Anticoagulation
INTRODUCTION
DEFINITION
PREVALENCE
PATHOPHYSIOLOGY
ORAL ANTICOAGULATION
WARFARIN
COMBINATION THERAPY WITH ASPIRIN AND WARFARIN16
DABIGATRAN ETEXILATE17
RIVAROXABAN18
APIXABAN19
LOW-MOLECULAR-WEIGHT HEPARIN
CHAPTER 102:
Rosuvastatin and Atrial Fibrillation
INTRODUCTION
PATHOGENETIC MECHANISM
CLINICAL EVIDENCE
SPECIAL ISSUES WITH ROSUVASTATIN
CONCLUSION
CHAPTER 103:
Bisoprolol and Atrial Fibrillation
INTRODUCTION
PHARMACOLOGY
PHARMACODYNAMICS
PHARMACOKINETICS AND DRUG INTERACTIONS
DOSAGE AND ADMINISTRATION
CONTRAINDICATIONS
USAGE IN PREGNANCY
EFFICACY OF BISOPROLOL IN ATRIAL FIBRILLATION
Recent Onset Atrial Fibrillation
Paroxysmal Atrial Fibrillation
Persistent/Chronic Atrial Fibrillation
Prophylaxis of Atrial Fibrillation after Coronary Bypass Surgery
Safety and Tolerability
CONCLUSION
CHAPTER 104:
Prasugrel in Atrial Fibrillation
INTRODUCTION
ROLE OF ANTIPLATELET DRUGS IN ATRIAL FIBRILLATION
Prasugrel
Principle
Trials Involving Prasugrel in Atrial Fibrillation
European Heart Rhythm Association Survey13
Spectrum of Potential Options Available with Prasugrel in Nonvalvular AF
Triple Antiplatelet Therapy in AF
Dual Therapy
Single Therapy in AF
SUMMARY
Practical Tips before Deciding Choice of Antithrombotic or Antiplatelet Therapy in Patients with AF
Knowledge Gaps
CHAPTER 105:
Ticagrelor and Atrial Fibrillation
INTRODUCTION AND EPIDEMIOLOGY
RISK OF STROKE AND CHOICE OF ANTITHROMBOTIC THERAPY FOR AF: OAC VS ANTIPLATELET
Stent Thrombosis (ST): Importance of DAPT and Its Duration
Major Bleeding: Determinants
Antithrombotic Therapy in Patients with AF Developing ACS/Undergoing PCI: Past and Present
Non-valvular AF and PCI: Possible Spectrum of Options
Ticagrelor: Review and Rationale of Prospective Use in AF Patients undergoing PCI
Trial Data Published Till Date
Limitations of the Current Data and Future Areas of Research
CHAPTER 106:
Role of Omega-3 Fatty Acids in Atrial Fibrillation Prevention
INTRODUCTION
PATHOBIOLOGY
Pathophysiological Basis and Mechanism of Omega-3 PUFA Effect on AF
Impact of Dietary n-3 PUFA Intake on AF Burden
Association between PUFA and Prevention of AF
CONCLUSION
CHAPTER 107:
The Combo of Atrial Fibrillation and Stenting in ACS: Triple Therapy or Dual Therapy
INTRODUCTION
TRIPLE THERAPY AND BLEEDING RISK
What are the Options We have in Patients of AF Undergoing PCI and Stenting?
FUTURE AREAS OF RESEARCH
Triple Antithrombotic Therapy with Newer Antiplatelets
Triple Antithrombotic Therapy with Non-VKA Oral Anticoagulants
CONCLUSION
CHAPTER 108:
Atrial Fibrillation in Critical Care: Current Management Strategies
INTRODUCTION
ETIOLOGY AND ASSOCIATED CONDITIONS
PATHOPHYSIOLOGY
HEMODYNAMIC CONSEQUENCES OF ATRIAL FIBRILLATION
CLINICAL PRESENTATION AND DIAGNOSIS
MANAGEMENT
ELECTRICAL CARDIOVERSION
MANAGEMENT OF HEMODYNAMICALLY STABLE PATIENTS
RATE VERSUS RHYTHM CONTROL
Rate Control Strategy
Rhythm Control Strategy
STROKE RISK AND ANTICOAGULATION
Prevention of AF in ICU Patients
Long-term Outcome of Patients Developing AF in ICU
Effect of AF on Mechanical Ventilation and Weaning
CONCLUSION
CHAPTER 109:
Atrial Fibrillation in Emergency in Patients with Sepsis: Management Strategies
INTRODUCTION
PATHOPHYSIOLOGY AND CLINICAL IMPLICATIONS
Mechanism of AF11
Risk Factors of AF in ICU
Relative Risk According to Presentation of Sepsis
Modifiable Promoters of Atrial Fibrillation
Prevalence of AF in Critically Ill Patients
Mortality and Morbidity
Morbidity Associated with AF
Management of Acute Onset AF
Rhythm Control vs Rate Control14
Rhythm Control
Rate Control
Drug Therapy in Acute Onset AF (Table 4)
Direct-current Cardioversion
Role of Treatment of Atrial Fibrillation to Improve Mortality and Morbidity
PREVENTION OF ATRIAL FIBRILLATION IN INTENSIVE CARE UNIT
STROKE INCIDENCE
Assessment of Stroke (CHA2DS2-VASc) and Bleeding Risk (HAS-BLED) in Atrial Fibrillation Patients11
Current Recommendations for Antithrombotic Therapy
CONCLUSION
CHAPTER 110:
Natural History and Management of‘Lone Atrial Fibrillation’
WHAT IS “LONE ATRIAL FIBRILLATION”?
NATURAL HISTORY OF ATRIAL FIBRILLATION
MANAGEMENT
GENETIC TESTING
ANTITHROMBOTIC STRATEGY IN LONE ATRIAL FIBRILLATION
SUMMARY AND CONCLUSION
CHAPTER 111:
Lone Atrial Fibrillation
INTRODUCTION
DEFINITION OF LONE ATRIAL FIBRILLATION
PREVALENCE OF “LONE AF”
PATHOPHYSIOLOGY OF ‘LONE’ ATRIAL FIBRILLATION
Diagnostic and Treatment Implications
Risk Factors for Developing Lone AF
Role of Biomarkers in ‘Lone AF’
Genetics of AF
Anticoagulation in ‘Lone AF’
Treatment of ‘Lone AF’
CONCLUSION
CHAPTER 112:
Risk of Thromboembolism after Cardioversion in Patients with Atrial Fibrillation
INTRODUCTION
KEEP THE CHECKLIST READY
THROMBOEMBOLISM AFTER CARDIOVERSION
RATIONALE
ATRIAL FLUTTER AND THROMBOEMBOLISM
TEMPORAL OCCURRENCE OF THROMBOEMBOLISM AFTER CARDIOVERSION
METHODOLOGIES
AF >48 Hours: Conventional Oral Anticoagulant Approach
AF >48 Hours: TEE-guided Approach
LOW MOLECULAR WEIGHT HEPARIN VERSUS UNFRACTIONATED HEPARIN
Shorter Duration of LMWH
Enoxaparin for Entire 4 Weeks
Shorter Duration of UFH
Atrial Fibrillation <48 Hours
Urgent Cardioversion
Novel Oral Anticoagulants in Periprocedural Anticoagulation
STEPS TO FOLLOW AND POINTS TO REMEMBER
CHAPTER 113:
Atrial Fibrillation and Stroke
INTRODUCTION AND EPIDEMIOLOGY
PATHOPHYSIOLOGICAL SUBSTRATE OF AF AND STROKE
BIOMARKERS OF ATRIAL FIBRILLATION
Biochemical Marker
Morphological Biomarkers
DIFFERENT TYPES OF STROKE IN AF
STROKE RISK STRATIFICATION
BLEEDING RISK STRATIFICATION
DIAGNOSING AF IN CRYPTOGENIC STROKE
PREVENTION AND TREATMENT OF STROKE IN ATRIAL FIBRILLATION
Rate Control vs Rhythm Control
ANTICOAGULATION
Warfarin Therapy
Antiplatelet Therapy
Other Oral Anticoagulants
Combination Anticoagulation and Antiplatelet Therapy
Nonpharmacological Approaches
Timing of Therapeutic Initiation
Management of Therapeutic Failure
Bridge Therapy when Anticoagulation Must Be Interrupted
Competing Causes of Stroke or Transient Ischemic Attack
BEHAVIORAL ASPECTS
Public Tool: Technology Made Easy
SPECIAL SITUATIONS
Beyond Stroke: Atrial Fibrillation and Cognitive Decline
Economics
CHAPTER 114:
Embolic Stroke and Atrial Fibrillation
INTRODUCTION
DEMOGRAPHY
ASSOCIATION OF EMBOLIC STROKE WITH PAROXYSMAL, PERSISTENT AND PERMANENT ATRIAL FIBRILLATION
DIAGNOSIS
RISK STRATIFICATION FOR STROKE AND BLEEDING FOR PRIMARY PREVENTION
Clinical Scores for Risk Stratification of Stroke and Systemic Embolism
Clinical Risk Scores for Bleeding
MEDICAL MANAGEMENT
Rate versus Rhythm Control
‘Pill-in-the-Pocket’ Cardioversion Performed by the Patients
Anticoagulation
Vitamin K Antagonists
Nonvitamin K Antagonist Oral Anticoagulants
NOACs versus VKA
NONPHARMACOLOGICAL MEASURES
Synchronized Cardioversion
New Antiarrhythmic Drugs
Electrophysiology Study and Radiofrequency Ablation (Pulmonary Vein Isolation)57–64
Atrioventricular Node Ablation and Pacing65–67
Left Atrial Appendage Occlusion and Exclusion68–72
Secondary Stroke Prevention
Treatment of Acute Ischemic Stroke73,74
Initiation of Anticoagulation after Transient Ischemic Attack or Ischemic Stroke75,76
Initiation of Anticoagulation after Intracranial Hemorrhage
Antithrombotic Therapy after Acute Coronary Syndromes and Percutaneous Coronary Intervention in Patients Requiring Oral Anticoagulation78,79
The Atrial Fibrillation Heart Team
CHAPTER 115:
Hemorrhagic Stroke and Atrial Fibrillation: A Double Jeopardy
INTRODUCTION
STROKE: FUNDAMENTAL CONCEPTS
ATRIAL FIBRILLATION
STROKE PREVENTION IN ATRIAL FIBRILLATION: A NOVEL CONCEPT5–7
ANTITHROMBOTIC THERAPY IN ATRIAL FIBRILLATION:A DOUBLE-EDGED SWORD11
Review of Literature
MANAGEMENT ISSUES
Treatment: Emergency Department Management
ICU Management
Surgical Management
Types of Surgery
ICP Monitoring
EVD/Reservoir
Craniotomy and Evacuation of Hematoma
Decompressive Craniotomy
Endoscopic or Stereotactic Removal of Hematoma (Fig. 12)
CONCLUSION
CHAPTER 116:
Refractory Atrial Fibrillation Postradiofrequency Ablation: Modern Management Strategies
INTRODUCTION
RISK FACTORS AND RECURRENT ATRIAL FIBRILLATION
SUCCESS RATES FOR RADIOFREQUENCY ABLATION
RECURRENCE OF ATRIAL FIBRILLATION
Early Recurrences (<3 Months)
Late Recurrences (3–12 Months)
Very Late Recurrences (>12 Months)
MANAGEMENT
Pulmonary Vein Isolation and AF Triggers
Right Atrium
Left Atrium
Non-PV Sources and Recurrent AF
Mitral Isthmus Line
Posterior Line and Posterior Wall Box Lesions
Anterior Line
RECURRENCE AFTER MULTIPLE PROCEDURES
CONCLUSION
ACKNOWLEDGMENTS
CHAPTER 117:
Radiofrequency Ablation versus Drug Therapy for Paroxysmal Atrial Fibrillation
INTRODUCTION
Antiarrhythmic Drug Therapy for Rhythm Control1,2
Catheter Ablation for Prevention of PAF1,2,4
Current Data of AAD versus RFA for PAF
CONCLUSION
CHAPTER 118:
Ethical and Medicolegal Issues and Atrial Fibrillation
INTRODUCTION
DEFINITION
Management of Atrial Fibrillation
Stepwise Treatment Approach for New-onset AF4
Rate vs Rhythm Control
Assessment of Bleeding Risk
Common Reasons for Litigation in AF
Not Giving Anticoagulation
No Proper Counseling for Warfarin
NOACs Versus Older Anticoagulants
Only Giving Aspirin for Prevention
Not Treating and Diagnosing Intermittent AF
PRINCIPLES OF BIOETHICS
GENERAL PRINCIPLES OF MEDICAL COUNCIL OF INDIA ETHICS
6. Unethical Acts
6.1. Advertising
6.2. Patent and Copyrights
6.3. Running an Open Shop (Dispensing of Drugs and Appliances by Physicians)
6.4. Rebates and Commission
6.5. Secret Remedies
6.6. Human Rights
6.7. Euthanasia
6.8. Code of Conduct for Doctors in their Relationship with Pharmaceutical and Allied Health Sector Industry
7. Misconduct
Deficiency of Service vs Negligence
What is not Medical Negligence?
A “Medical Accident” is not Negligence
“Not Getting Cured” is not Negligence
“Error of Judgment” is not Negligence
Errors can be Made in an Emergency Even by Experts and May not Amount to Negligence
Deviation from Medical Practice does not Always Mean Medical Negligence
Difference of Opinion is not Negligence
SECTION 4: OTHER ARRHYTHMIAS AND ATRIAL FIBRILLATION
CHAPTER 119:
Medical Management versusRF Ablation for Atrial Fibrillation
INTRODUCTION
PHARMACOTHERAPY VERSUS RADIOFREQUENCY ABLATION
CONCLUSION
CHAPTER 120:
Management of Atrial Fibrillation with Left Bundle Branch Block
INTRODUCTION
EVIDENCE BASED DATA ON CONGESTIVE HEART FAILURE COMPLICATED BY ATRIAL FIBRILLATION AND LEFT BUNDLE BRANCH BLOCK
LEFT BUNDLE BRANCH BLOCK AND ATRIAL FIBRILLATION WITHOUT HEART FAILURE
ATRIAL FIBRILLATION WITH LEFT BUNDLE BRANCH BLOCK WITH HEART FAILURE
CATHETER ABLATION FOR ATRIAL FIBRILATION
Evidence Based Role of Cardiac Resynchronization Therapy in Management of Atrial Fibrillation with Left Bundle Branch Block and Left Ventricular Dysfunction
CHAPTER 121:
Best Strategy for Ablation of Persistent Atrial Fibrillation
INTRODUCTION
MECHANISMS OF ATRIAL FIBRILLATION
STRATEGIES FOR ABLATION
Pulmonary Vein Isolation (Fig. 1)
Complex Fractionated Atrial Arrhythmia (CFAEs)
Linear Ablation
Voltage Map-guided Ablation Approach
Rotor Ablation
Nonpulmonary Triggers for Atrial Fibrillation
The Left Atrial Appendage
AUTONOMIC MODULATION
THE DATA
STAR AF II
BOCA Study
CHASE-AF Clinical Trial
CONCLUSION
CHAPTER 122:
Atrial Fibrillation and Cardiac Resynchronization Therapy
INTRODUCTION
IMPORTANCE OF AF IN PATIENTS WHO UNDERGO CRT
OPTIMIZING DELIVERY OF BIVENTRICULAR PACING IN AF
Pacing Algorithms to Enhance the CRT Benefit in AF
Atrioventricular Junction Ablation
Catheter Ablation of AF
SUMMARY
CONCLUSION
SECTION 5: INTERVENTIONS IN ATRIAL FIBRILLATION
CHAPTER 123:
Radiofrequency Ablation in AF: Present Status and Future Directions
INTRODUCTION
RADIOFREQUENCY ABLATION
Pumonary Vein Isolation
Results of RF Ablation in Paroxysmal AF
Results of RF Ablation in Non-paroxysmal AF
Complications of RF Ablation for AF
What Future Studies will Answer?
Indications of AF Ablation (What do Guidelines Suggest ?)
Future Techniques
CONCLUSION
CHAPTER 124:
Radiofrequency Ablation for Atrial Fibrillation
INTRODUCTION
PULMONARY VEIN ISOLATION (PVI)
SUBSTRATE-BASED ABLATION FOR ATRIAL FIBRILLATION
ARRHYTHMIAS RECURRENCE AFTER ATRIAL FIBRILLATION ABLATION
COMPLICATIONS
CONCLUSION
CHAPTER 125:
Atrial Fibrillation: InterventionalManagement Strategies
INTRODUCTION
GENERAL THEORIES OF ATRIAL FIBRILLATION MECHANISM
SURGICAL TREATMENT OF AF
PERCUTANEOUS CATHETER ABLATION FOR AF
Ablation Strategies
Pulmonary Vein Isolation
Linear Ablation
Other Trigger Sources
Complex Fractionated Atrial Electrograms
Rotors
Ganglionated Plexuses
Interventional Therapy for Rate Control
Risk-Benefit Considerations
Energy Sources
Complications of Invasive Treatments
CONCLUSION
CHAPTER 126:
Ablate and Pace in Atrial Fibrillation
INTRODUCTION
CHALLENGES OF ABLATING ATRIAL FIBRILLATION
PATIENT SELECTION FOR CATHETER ABLATION
PACEMAKERS FOR THE PREVENTION OF AF
CONCLUSION
CHAPTER 127:
Complications of Catheter Ablation for Atrial Fibrillation
INTRODUCTION
COMPLICATIONS
Left Atrial Tachyarrhythmias
Phrenic Nerve Injury
Pulmonary Vein Stenosis
Thromboembolic Events
Hemorrhagic Complications
CARDIAC TAMPONADE
Esophageal Injury/Atrial-Esophageal Fistula
Death
CONCLUSION
CHAPTER 128:
Left Atrial Appendage Closure and Atrial Fibrillation—Challenges Ahead: Indian Scenario
INTRODUCTION
STROKE PREVENTION IN ATRIAL FIBRILLATION: CURRENT EVIDENCE AND GUIDELINES
RATIONALE FOR LEFT ATRIAL APPENDAGE OCCLUSION
METHODS OF LEFT ATRIAL APPENDAGE EXCLUSION/OCCLUSION
Surgical Methods
Percutaneous Methods
WATCHMAN Approval by FDA
Other Devices and Evidence of Efficacy
LARIAT SYSTEM
WHERE ARE WE IN THE WORLD SCENARIO?
Multidisciplinary Approach
Institutional and Operator Requirements
Role of Imaging
Expanding the Horizons for LAA Occluders
Left atrial appendage Registry Key to Quality, Reimbursement
CONCLUSION
CHAPTER 129:
Left Atrial Appendage Occlusion Devices and Complications during/after Implantation
INTRODUCTION
ATRIAL FIBRILLATION AND NEED FOR LAA OCCLUSION
INDICATIONS AND RATIONALE FOR ORAL ANTICOAGULANTS (OAC)
RELATIONSHIP OF LAA AND THROMBUS IN AF
ROLE OF LAA IN CARDIOVASCULAR DISORDERS
MORPHOLOGY OF LAA AND INCIDENCE OF THROMBOEMBOLISM IN AF
CURRENT DEVICES FOR PERCUTANEOUS LAA OCCLUSION (TABLE 2)
PLAATO
WATCHMAN DEVICE
Amplazer Cardiac Plug
Lariet Device
COMPLICATIONS OF LAA CLOSURE DEVICE IMPLANTATION AND MANAGEMENT
Long-term Potential Complications (Table 1)
Thrombus on Device
Residual Leaks
Late Device Embolization
PREVENTION AND TREATMENT OF LATE COMPLICATIONS (TABLE 2)
CONCLUSION AND SUMMARY
CHAPTER 130:
Atrial Fibrillation after PCI in STEMI: Management Strategies
INTRODUCTION
INCIDENCE OF ATRIAL FIBRILLATION IN STEMI
DEVELOPMENT OF ATRIAL FIBRILLATION
PROGNOSTIC IMPLICATIONS IN-HOSPITAL MORTALITY
MORTALITY AT FOLLOW-UP
ISCHEMIC STROKE AFTER ACUTE CORONARY SYNDROME
OTHER OUTCOMES FOLLOWING ATRIAL FIBRILLATION AND STEMI
TREATMENT OF ATRIAL FIBRILLATION IN STEMI
Use of Digoxin
Antithrombotic Therapy in Atrial Fibrillation in Patients Presenting with Acute Coronary Syndrome: Triple Therapy Dilemma
FUTURE DIRECTIONS
CHAPTER 131:
Atrial Fibrillation andFlutter after Cardiac Surgery
INTRODUCTION
PATHOGENESIS
RISK FACTORS
INCIDENCE AND TIME COURSE
CLINICAL MANIFESTATIONS AND DIAGNOSIS
ADVERSE OUTCOMES FOLLOWING AF
PREVENTION OF AF AND COMPLICATIONS
Prevention of AF
Beta-blockers
Sotalol
Amiodarone
Antioxidant Vitamins
Ineffective or Possibly Effective Therapies
Prevention of Complications of AF
Our Approach to Prevention
SUMMARY AND RECOMMENDATIONS
CHAPTER 132:
Atrial Fibrillation duringCoronary Intervention:Management Strategy
INTRODUCTION
EPIDEMIOLOGY OF RELEVANT CLINICAL SCENARIOS
ANTITHROMBOTIC THERAPY IN PATIENTS WITH ATRIAL FIBRILLATION UNDERGOING PCI
EVIDENCE
RECOMMENDATIONS FOR THE MANAGEMENT OF PATIENTS ON ORAL ANTICOAGULATION WITH ACS AND/OR UNDERGOING PCI
General
Stable CAD
NSTE-ACS Including Unstable Angina and NSTEMI
Primary PCI
CONCLUSION
CHAPTER 133:
Extracorporeal Membrane Oxygenation in Atrial Fibrillation
INTRODUCTION
ATRIAL FIBRILLATION AND ECMO
AIIMS OF ECMO
TYPES OF ECMO
VA and VV ECMO
Management Strategies
CENTRAL VS PERIPHERAL ECMO
USES OF ECMO
ECMO in Cardiogenic Shock
ATRIAL FIBRILLATION AND ECMO
Atrial Fibrillation Associated with Increased Incidence of Stroke
Stroke in Pediatric Cardiac Surgical Patients on ECMO
STROKE RISK MANAGEMENT IN ATRIAL FIBRILLATION
ECMO without Heparin and Other Anticoagulant Drugs
Mortality Associated with ECMO
CONCLUSION
CHAPTER 134:
Optimal Antithrombotic Therapy after Drug-eluting Stent Implantation in Patients with Atrial Fibrillation
INTRODUCTION
TRIPLE THERAPY AND DUAL THERAPY INCLUDING VITAMIN K ANTAGONISTS
NOVEL P2Y12 INHIBITORS
COMBINATIONS INCLUDING NONVITAMIN K ANTAGONIST ORAL ANTICOAGULANTS
ONGOING TRIALS IN ATRIAL FIBRILLATION PATIENT WITH EITHER RECENT MYOCARDIAL INFARCTION OR PERCUTANEOUS CORONARY INTERVENTION
CURRENT GUIDANCE
CONCLUSION
CHAPTER 135:
Coronary Embolism in Atrial Fibrillation
INTRODUCTION
CLINICAL PRESENTATION AND DIAGNOSIS OF CE
MANAGEMENT
CHAPTER 136:
Catheter Ablation of Atrial Fibrillation
INTRODUCTION
PATHOPHYSIOLOGY
Pulmonary Veins in Atrial Fibrillation
Techniques for PV Isolation
Substrate Modification
Complications of AF Ablation
Indications for Atrial Fibrillation Ablation (Table 2)
New Techniques and Future Perspectives
CONCLUSION
ACKNOWLEDGMENT
CHAPTER 137:
Role of Devices in Heart Failurewith Atrial Fibrillation
INTRODUCTION
PATHOPHYSIOLOGY
MANAGEMENT
CONCLUSION
SECTION 6: CARDIAC SURGERY AND ATRIAL FIBRILLATION
CHAPTER 138:
Surgical Treatment of Atrial Fibrillation during Concomitant Cardiac Procedures
INTRODUCTION
WHY CONCOMITANT ATRIAL FIBRILLATION SHOULD BE TREATED?
CLASSIFICATION OF ATRIAL FIBRILLATION
PATHOPHYSIOLOGY OF ATRIAL FIBRILLATION
HOW TO TREAT CONCOMITANT ATRIAL FIBRILLATION
Mitral Valve Surgery Patients
Different Strategies and Lesion Sets Used for Atrial Fibrillation during Concomitant Cardiac Surgery
Pulmonary Vein Isolation
Left Atrial Lesion Set
Cox-Maze IV Lesion Sets
Left Atrial Appendage Closure or Amputation
Left Atrial Volume Reduction
Hybrid Ablation
Minimally Invasive Techniques for Atrial Fibrillation Concomitant with Other Cardiac Operations
Left Atrial Appendage Closure or Amputation
Pulmonary Vein Isolation
Left Atrial Lesion Sets
Cox-Maze Procedure
Hybrid Procedures
Surgery for Atrial Fibrillation Concomitant with Other Cardiac Operations: Clinical Experience
Maze Procedure during Concomitant Cardiac Surgery
Modified Maze Operation Using Radiofrequency Ablation during Concomitant Cardiac Surgery
Left Atrial Ablation Only during Concomitant Cardiac Surgery
Cryoablation during Concomitant Cardiac Surgery
Pulmonary Vein Isolation Alone versus Left Atrial Linear Lesions during Concomitant Cardiac Surgery
Clinical Experience of Different Surgical Techniques in Paroxysmal Atrial Fibrillation
CONCLUSION
CHAPTER 139:
Atrial Fibrillation and Cardiac Surgery
INTRODUCTION
ATRIAL FIBRILLATION ABLATION WITH CONCOMITANT CARDIAC SURGERY
TECHNIQUE
RESULTS AND OUTCOMES
POSTOPERATIVE ATRIAL FIBRILLATION FOLLOWING CARDIAC SURGERY
PATHOGENESIS
PRESENTATION
MANAGEMENT
CONCLUSION
CHAPTER 140:
Surgical AF Ablation
INTRODUCTION
AHA/ACC GUIDELINES
Maze Procedure: Recommendations
Class IIa
Class IIb
OPERATIVE TECHNIQUES
Maze Procedure
Pulmonary Vein Isolation
Ganglion Ablation
Ligament of Marshall Ablation
Atrial Plasty
MINIMALLY INVASIVE SURGICAL PVI AND GPA
Hybrid Approach
Coronary Artery Disease with Atrial Fibrillation
Adverse Effects
Postoperative Management
SECTION 7: FUTURE DIRECTIONS IN ATRIAL FIBRILLATION
CHAPTER 141:
LAA Occlusion and Atrial Fibrillation: Is It an Alternative to NOAC?
INTRODUCTION
LAAC: IS IT AN ALTERNATIVE TO NOACS?
CHAPTER 142:
Stroke Prevention in Nonvalvular Atrial Fibrillation: How to Choose an NOAC, Which One, When and for How Long?
INTRODUCTION
NONVALVULAR ATRIAL FIBRILLATION
NEED FOR NEW ORAL ANTICOAGULANTS
Mechanism of Action
Risk Stratification
Dabigatran Etexilate
Rivaroxaban
Apixaban
Edoxaban
Impact of Impaired Renal Functions on NOACs
NOAC Selection for your Patient
Facts for Determining Which Agent? (Flow chart 2)
Duration of Therapy
Device Detected AF
NEW ORAL ANTICOAGULANTS AND CARDIOVERSION
Management of Bleeding
FUTURE CONSIDERATIONS (TABLE 7)
CHAPTER 143:
Oral Anticoagulant Clinic in Atrial Fibrillation or Home Monitoring: Is There a Need?
INTRODUCTION
DIRECT ORAL ANTICOAGULANTS
Bleeding
Monitoring8
ORAL ANTICOAGULANT CLINIC
Home Monitoring
Advice to the Patients
Literature Review
CONCLUSION
CHAPTER 144:
Transcatheter Aortic Valve Replacement and Atrial Fibrillation: How to Manage?
INTRODUCTION
PATHOPHYSIOLOGY OF AF IN PATIENTS UNDERGOING TAVR
INCIDENCE AND PREVALENCE OF AF IN PATIENTS UNDERGOING TAVR
NOAF and Its Effects on Outcomes of TAVR
Stroke
Clinical Dilemmas in AF in Setting of TAVR
MANAGEMENT
Anticoagulation
Rate vs Rhythm Control
CONCLUSION
CHAPTER 145:
Atrial Fibrillation Following Cardiac Surgery
INTRODUCTION
INCIDENCE
RISK FACTORS (FIG. 1)
MECHANISM
PREVENTION
Beta-blocker Drugs
Amiodarone
Atrial Pacing
Calcium Channel Blockers
Magnesium
Statins
Anti-inflammatory Drugs
TREATMENT
ANTICOAGULATION
RATE CONTROL STRATEGY (TABLE 1)
RHYTHM CONTROL (TABLE 2)
ELECTRICAL CARDIOVERSION
CONCLUSION
CHAPTER 146:
Need for National AtrialFibrillation Registry in India
INTRODUCTION
REGISTRY DATA AND ITS CLINICAL SIGNIFICANCE
The RE-LY Atrial Fibrillation Registry
J-RHYTHM Registry
The Chinese Atrial Fibrillation Registry Study (CAFR)
Global Registry on Long-term Oral Antithrombotic Treatment in Patients with Atrial Fibrillation (GLORIA-AF)
PINNACLE-AF Outpatient Registry
EURObservational Research Programme Atrial Fibrillation (EORP-AF) Pilot General Registry
Global Anticoagulant Registry in the FIELD (GARFIELD)
The Euro Heart Survey on Atrial Fibrillation
The RecordAF Registry
Indian Perspective
Kerala Atrial Fibrillation Registry
National AF Registry or National Data on AF
SUMMARY
INDEX
TOC
Index
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