Related Experiment Video

Updated: Feb 22, 2026

Cox-Maze IV Procedure Concomitant with Valvular Surgery In Situs Inversus Dextrocardia: A Single-Center Experience in China
08:42

Cox-Maze IV Procedure Concomitant with Valvular Surgery In Situs Inversus Dextrocardia: A Single-Center Experience in China

Published on: February 11, 2022

4.3K

Concomitant ablation for atrial fibrillation during septal myectomy in patients with hypertrophic obstructive

Alexander V Bogachev-Prokophiev1, Alexander V Afanasyev1, Sergei I Zheleznev1

  • 1Heart Valves Surgery Department, Siberian Biomedical Research Center, Novosibirsk, Russian Federation.

The Journal of Thoracic and Cardiovascular Surgery
|September 27, 2017
PubMed

Insights

Concomitant atrial fibrillation (AF) ablation during septal myectomy for obstructive hypertrophic cardiomyopathy is safe and effective. This combined procedure helps patients maintain sinus rhythm, improving outcomes in this challenging patient group.

Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Electrophysiology

Background:

  • Atrial fibrillation (AF) significantly worsens outcomes in obstructive hypertrophic cardiomyopathy (HCM).
  • Maintaining sinus rhythm is crucial for these patients.
  • Limited data exist on combined procedures for AF and obstructive HCM.

Purpose of the Study:

  • To evaluate the safety and efficacy of concomitant atrial fibrillation treatment during septal myectomy in obstructive HCM patients.

Main Methods:

  • Retrospective analysis of 45 obstructive HCM patients undergoing septal myectomy with concomitant Cox-Maze IV procedure (2010-2013).
  • AF types included paroxysmal (58%) and nonparoxysmal (42%).
  • Maze IV involved radiofrequency and cryolesion ablation techniques.

Main Results:

  • No early deaths or procedure-related complications.
  • Successful sinus rhythm maintenance at 6 months (100%), 1 year (89%), and 24 months (78%).
  • Mean follow-up of 23.7 months; no pacemakers required for sinus node dysfunction.

Conclusions:

  • Concomitant AF ablation during septal myectomy is a safe and effective strategy for obstructive HCM.
  • This combined approach should be carefully considered for eligible patients.
  • Improved sinus rhythm maintenance is achievable with this combined surgical technique.
Abstract

Keywords:
atrial fibrillationhypertrophic cardiomyopathy

More Related Videos

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation28:13

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation

Published on: February 26, 2013

34.2K
Reduction of Iatrogenic Atrial Septal Defects with an Anterior and Inferior Transseptal Puncture Site when Operating the Cryoballoon Ablation Catheter08:00

Reduction of Iatrogenic Atrial Septal Defects with an Anterior and Inferior Transseptal Puncture Site when Operating the Cryoballoon Ablation Catheter

Published on: June 15, 2015

14.5K

Related Concept Videos

Cardiomyopathy VII: Pre and Post Operative Nursing Management01:28

Cardiomyopathy VII: Pre and Post Operative Nursing Management

Patients with hypertrophic cardiomyopathy (HCM) and left ventricular outflow tract (LVOT) obstruction who remain symptomatic despite optimal medical therapy may undergo a septal myectomy (Morrow procedure). This procedure involves excising a portion of the hypertrophied septum below the aortic valve using a heart-lung machine to improve blood flow through the LVOT. Effective preoperative and postoperative nursing management ensures successful patient outcomes, minimizes complications, and...
389
Cardiomyopathy III: Hypertrophic Cardiomyopathy01:29

Cardiomyopathy III: Hypertrophic Cardiomyopathy

Hypertrophic cardiomyopathy, or HCM, is an autosomal dominant genetic disorder characterized by asymmetric left ventricular hypertrophy without ventricular dilation. It is more common in men and is typically diagnosed in young, athletic adults.EtiologyHCM is primarily genetic and is caused by mutations in genes encoding sarcomeric proteins. Researchers have identified over 1400 mutations across at least 11 different genes. Among these, the most frequently occurring mutations are found in the...
550
Cardiomyopathy V: Interprofessional Care01:29

Cardiomyopathy V: Interprofessional Care

Managing cardiomyopathy involves addressing underlying or precipitating causes, treating heart failure with medications, and implementing dietary changes and a balanced exercise and rest regimen.Lifestyle ModificationsCardiomyopathy patients should adopt a low-sodium diet to reduce fluid retention and manage heart failure. A personalized exercise and rest plan helps maintain physical fitness without overstraining the heart. Avoiding alcohol and tobacco is essential to prevent further damage to...
506
Mitral Stenosis III: Medical Management01:26

Mitral Stenosis III: Medical Management

Mitral stenosis, a condition marked by the narrowing of the mitral valve, necessitates an integrated approach for effective management. This approach includes preventative measures, medical therapy, and surgical interventions to reduce symptoms and prevent complications.PreventionPrevention of mitral stenosis primarily focuses on reducing the incidence of bacterial infections, particularly streptococcal infections, which can lead to rheumatic fever and subsequent valvular damage. Timely...
336
Cardiomyopathy IV: Restrictive Cardiomyopathy01:29

Cardiomyopathy IV: Restrictive Cardiomyopathy

Restrictive cardiomyopathy (RCM) is a rare heart muscle disease characterized by impaired ventricular filling due to stiffened ventricular walls, leading to significant diastolic dysfunction.EtiologyRestrictive cardiomyopathy can arise from both inherited and acquired diseases, many of which are systemic. It is categorized into four main types: infiltrative, storage, non-infiltrative, and endomyocardial diseases.Infiltrative diseases, such as amyloidosis, lead to RCM by depositing amyloid...
628
Mitral Regurgitation III: Medical Management01:25

Mitral Regurgitation III: Medical Management

Mitral regurgitation (MR) is characterized by retrograde blood circulation from the left ventricle into the left atrium due to inadequate mitral valve closure. The severity of the condition, symptoms, and underlying cause determine treatment strategies.Monitoring and Pharmacological TreatmentPatients with mild to moderate MR typically do not need immediate intervention but regular monitoring to assess progression and guide treatment. Patients with mild MR should have an echocardiogram every 3-5...
417