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Mitral Valve Surgery
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Copyright page
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Series Preface
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Contents
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Contributors
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Part I Anatomy, Pathology, and Natural Historyof Mitral Valve Disease
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1: Surgical Anatomy of the Mitral and Tricuspid Valve
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Introduction
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Fibrous Skeleton of the Heart
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Mitral Valve: The Functional Unit
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The Structure of the Functional Unit
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Mitral Valve Annulus
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Mitral Valve Leaflets
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Mitral Valve Chordae Tendinae
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Mitral Valve Papillary Muscles
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Physiology of the Functional Unit
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Mitral Valve Annular Dynamics
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Mitral Valve Leaflet Physiology
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Mitral Valve Papillary Muscles
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Left Ventricular Muscle
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Summary of the Impact of Mitral Valve Physiology
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Mitral Valve Functional Unit Co-location: Surgical Considerations
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Tricuspid Valve: The Functional Unit
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The Structure of the Functional Unit
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Tricuspid Valve Annulus
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Tricuspid Valve Leaflets
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Tricuspid Valve Chordae Tendinae
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Tricuspid Valve Papillary Muscles
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Physiology of the Functional Unit
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Tricuspid Valve Annular Dynamics
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Tricuspid Valve Leaflet Physiology
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Tricuspid Valve Papillary Muscle Physiology
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Tricuspid Valve Functional Unit Co-location: Surgical Considerations
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Right Coronary Artery
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Conduction Tissue
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Aortic and Mitral Valve
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Summary
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References
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2: Pathology and Classification of Mitral Valve Disease
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Introduction
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Mitral Stenosis
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Rheumatic Mitral Stenosis
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Mitral Annular Calcification
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Immune Mediated Mitral Stenosis
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Carcinoid Heart Disease and Drug Induced Valvular Heart Disease
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Congenital Mitral Valve Stenosis
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Pathophysiology of Mitral Stenosis
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Mitral Regurgitation
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Ischemic and Functional Mitral Regurgitation
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Mitral Valve Prolapse
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Rheumatic Mitral Regurgitation
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Mitral Annular Calcification
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Infective Endocarditis
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Congenital Mitral Regurgitation
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Pathophysiology of the Mitral Valve Regurgitation
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Prosthetic Heart Valves
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Prosthetic Valve Endocarditis
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Structural Dysfunction
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Nonstructural Dysfunction
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References
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3: Chronic Mitral Regurgitation
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Anatomy of the Mitral Valve Apparatus
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Mechanisms of Chronic Mitral Regurgitation
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Pathophysiology
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Determinants of Regurgitant Volume
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LV Mechanics in MR
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LV Compensation
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LV Decompensation
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Epidemiology
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Symptoms
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Physical Examination
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Laboratory Investigations
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Electrocardiography
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Chest Roentgenogram
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Echocardiography
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Etiology
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Repairability
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Cardiac Catheterization
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Natural History
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Indications for Mitral Valve Surgery
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Surgical Considerations
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References
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4: Chronic Ischemic Mitral Regurgitation
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Introduction
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Prevalence and Prognostic Impact
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Mechanisms of Ischemic MR
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Impaired Contractile Function
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Increased Leaflet Tethering
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Annular Dilatation
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Dynamic Nature of Ischemic MR
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Evaluation of Patients with Ischemic MR
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Echocardiography
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Stress Echocardiography
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Magnetic Resonance Imaging
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Coronary Angiography
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Management of Patients with Ischemic MR
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Myocardial Revascularization
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Cardiac Resynchronization Therapy
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Medical Treatment
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Surgical Approaches
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Mitral Valve (MV)Repair
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Mitral Valve Replacement
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Indications for Mitral Valve Surgery
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References
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5: Asymptomatic Mitral Valve Regurgitation: Watchful Wait or Early Repair? Review of the Current Evidence
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Introduction
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Severe Mitral Regurgitation
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Existing Guidelines
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Current State of Valve Repair
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What Is the Outcome of Patients with Asymptomatic Severe Mitral Regurgitation?
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Echocardiographic Assessment
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Severity of Mitral Regurgitation
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Etiology and Mechanism
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Left Ventricular Function
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Other Abnormalities
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The Place of Exercise Testing and Exercise Echocardiography
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Frequency of Review
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Studies on Improving Mitral Services
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IS There a Need for a Randomized Study?
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References
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Part II Mitral Valve Repair and ReplacementTechniques
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6: Mitral Valve Prosthesis Insertion with Preservation of the Sub-Valvar Apparatus
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Introduction
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Surgical Strategies for Preservation of the Atrio-Ventricular Loop During Insertion of a Mitral Prosthesis
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Surgical Techniques
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Annular Calcification
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References
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7: How I Assess and Repair the Barlow Mitral Valve: The Respect Rather Than Resect Approach
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Definition
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Valve Assessment
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Echocardiographic Analysis
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Surgical Valve Analysis
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Free Edge Mobility
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Excess of Tissue
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Mucoid Degeneration
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Surgical Strategy
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Repair of the Posterior Leaflet
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Leaflet Mobility
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The Goal of a Smooth and Vertical Surface of Coaptation
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Intermediary Surgical Test
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Repair of the Anterior Leaflet
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Ring Annuloplasty
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Control of the Result
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Surgical Control
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Echocardiographic Control
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References
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8: How I Assess and Repair the Barlow Mitral Valve: The Edge-to-Edge Technique
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Introduction
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The Edge-to-Edge Technique for Bileaflet Prolapse in Barlow’s Disease
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Surgical Technique and Results
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The Edge-to-Edge Technique for Anterior Leaflet Prolapse
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The Edge-to-Edge Technique for Commissural Prolapse
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The Minimally Invasive Approach Option
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Edge-to-Edge Repair and Annuloplasty
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Double Orifice Edge-to-Edge Repair and Hemodynamics
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Edge-to-Edge Repair and the Risk of Functional Mitral Stenosis
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References
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9: How I Assess and Repair the Barlow Mitral Valve
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Valve Assessment
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Surgical Exposure
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Strategies for Surgical Repair
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References
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10: Ischemic Mitral Regurgitation
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Introduction
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Definitions and Mechanisms
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Consequences of Ischemic Mitral Regurgitation
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Surgical Treatment of Ischemic Mitral Regurgitation
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Alternative Surgical Strategies
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Outcome of Surgical Treatment
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References
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11: Minimally Invasive Mitral Valve Surgery
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Introduction
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Minimally Invasive Surgical Approaches
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Right Mini-Thoracotomy
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Robotically Assisted Right Thoracic Approach
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Partial Sternotomy
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Minimally Invasive Approaches: Comparison of Technical Considerations and Patient Selection
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Results of Minimally Invasive Mitral Valve Surgery
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Valve Repair
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Mortality and Morbidity
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Benefits of Minimally Invasive Mitral Valve Surgery
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Cosmesis
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Postoperative Pain
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Hospital Length of Stay and Recovery
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Transfusion
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Wound Infection
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Cost
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Benefits: Summary
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Repair Techniques
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Posterior Prolapse
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Triangular Resection
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Folding Plasty
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Anterior Prolapse
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Commissural Prolapse
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Recommendations
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Future Directions
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References
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12: Mitral Stenosis
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Etiology and Epidemiology
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Pathology and Pathophysiology
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Natural History
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Clinical Features
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Physical Exam and Diagnostic Tests
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Electrocardiography
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Chest X-Ray
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Echocardiography
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Intervention
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Closed Surgical Commissurotomy
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Open Surgical Commissurotomy
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Percutaneous Mitral Balloon Valvuloplasty
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Indication
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References
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Part III Other Conditions
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13: Atrial Fibrillation: Non Surgical Management
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Introduction
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Pathophysiology and Electrophysiology
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Clinical Classification
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Pharmacological Agents
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General Non surgical Management Strategies
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Rate Control in Acute AF
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Cardioversion in Acute AF
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Paroxysmal AF
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Persistent AF
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Permanent AF
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Nonpharmacological Treatments for AF
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Antithrombotic Therapy
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Future Perspectives
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Conclusion
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References
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14: Ablation of Atrial Fibrillation with Cardiac Surgery
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Introduction
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Rationale for Surgical Ablation
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AF Prevalence
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AF Dangers
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AF Mechanisms and Implications for Surgical Ablation
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The Maze Procedure
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New Approaches to Surgical Ablation of Atrial Fibrillation
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Lesion Sets
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A Review of the Available Energy Sources
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The Left Atrial Appendage
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Challenges and Future Directions
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Reporting Results
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Ablation Technology and Intraoperative Assessment
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Minimally Invasive Approaches
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Conclusions
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References
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15: Tricuspid Regurgitation: Natural History, Assessment, and Intervention
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Natural History
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Clinical Features
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TR Assessment
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Surgical Treatment
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Patients with Annular Dilatation with or Without Regurgitation
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Patients with Annular Dilatation with Moderate or Severe TR with Some Degree of Tethering
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Patients with Annular Dilatation with Severe Tethering
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Conclusion
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References
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Index
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