Related Experiment Video

Updated: Oct 19, 2025

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
28:13

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

Published on: February 26, 2013

33.6K

Urgent percutaneous transluminal septal myocardial ablation for left ventricular outflow tract obstruction

Yoshitaka Sasahira1, Ryotaro Yamada1, Naofumi Doi2

  • 1Division of Cardiology Kawasaki Medical School Kurashiki Japan.

Clinical Case Reports
|September 17, 2021
PubMed

Insights

Percutaneous transluminal septal myocardial ablation (PTSMA) offers a treatment for obstructive cardiomyopathy. This case highlights its urgent use for heart failure after aortic valve replacement due to worsening outflow tract obstruction.

Area of Science:

  • Cardiology
  • Interventional Cardiology
  • Cardiac Surgery

Background:

  • Hypertrophic obstructive cardiomyopathy (HOCM) is a condition characterized by left ventricular outflow tract (LVOT) obstruction.
  • Surgical aortic valvular replacement is a standard treatment for severe aortic stenosis.
  • Post-operative LVOT obstruction can occur after aortic valve replacement, leading to heart failure.

Observation:

  • A patient presented with refractory heart failure following surgical aortic valvular replacement for severe aortic stenosis.
  • The patient's condition was attributed to exacerbated LVOT obstruction.
  • Urgent intervention was required to manage the severe symptoms.

Findings:

  • Percutaneous transluminal septal myocardial ablation (PTSMA) was successfully performed in an urgent setting.
  • PTSMA effectively addressed the exacerbated LVOT obstruction.
  • The patient's refractory heart failure symptoms improved post-procedure.

Implications:

  • PTSMA can be a viable urgent treatment option for heart failure caused by LVOT obstruction after aortic valve surgery.
  • This case expands the understanding of PTSMA indications in complex cardiac scenarios.
  • Further research may explore the long-term efficacy and safety of PTSMA in this specific patient population.

Keywords:
aortic valvular replacementcase reportleft Ventricular tract obstructionpercutaneous transluminal septal myocardial ablation

More Related Videos

Cox-Maze IV Procedure Concomitant with Valvular Surgery In Situs Inversus Dextrocardia: A Single-Center Experience in China08:42

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

Published on: February 11, 2022

3.7K
Operating Transverse Aortic Constriction with Absorbable Suture to Obtain Transient Myocardial Hypertrophy07:02

Operating Transverse Aortic Constriction with Absorbable Suture to Obtain Transient Myocardial Hypertrophy

Published on: September 9, 2020

6.6K

Related Concept Videos

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...
46
Aortic Regurgitation III: Medical Management01:25

Aortic Regurgitation III: Medical Management

Aortic regurgitation (AR) is when the aortic valve does not close or seal properly, leading to backward blood circulation from the aorta into the left ventricle during diastole. Common causes of AR include rheumatic heart disease, congenital valve defects, and aortic root dilation. Managing AR requires a multifaceted approach to alleviate symptoms, preserve left ventricular function, and address the underlying cause of the regurgitation. Patients with symptomatic AR or significant left...
77
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...
59