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A decade of percutaneous septal ablation in hypertrophic cardiomyopathy
Angelos G Rigopoulos1, Hubert Seggewiss
12nd Department of Cardiology, University of Athens Medical School, Athen, Greece.
Insights
Percutaneous septal ablation offers a safe and effective treatment for symptomatic hypertrophic obstructive cardiomyopathy (HOCM). This minimally invasive procedure provides symptom relief and comparable long-term survival to surgical myectomy.
Area of Science:
- Cardiology
- Interventional Cardiology
Background:
- Hypertrophic obstructive cardiomyopathy (HOCM) is a condition affecting many patients with hypertrophic cardiomyopathy (HCM).
- Left ventricular outflow tract obstruction is a key feature in obstructive HCM.
- Percutaneous septal ablation has emerged as a less invasive therapeutic option.
Observation:
- Follow-up studies demonstrate the safety and efficacy of percutaneous septal ablation.
- The procedure provides significant symptomatic relief for the majority of HOCM patients.
- Long-term survival rates are comparable to those achieved with surgical myectomy.
Findings:
- Complications associated with percutaneous septal ablation are infrequent.
- Operator experience is crucial for minimizing procedural risks.
- Existing data do not support concerns regarding ventricular arrhythmogenicity from myocardial scarring.
Implications:
- Percutaneous septal ablation is a viable alternative treatment for HOCM.
- This technique has renewed interest in managing left ventricular outflow tract obstruction.
- Further research, including randomized trials, may further solidify its role in HOCM management.
Abstract:
Percutaneous septal ablation has emerged as a less invasive treatment of symptomatic patients with hypertrophic obstructive cardiomyopathy (HOCM). In the past decade, the availability of this sophisticated technique has revived the interest of cardiologists in left ventricular outflow tract obstruction, which led to the recognition that most patients with HCM have the obstructive type. Follow-up studies have already shown the safety and efficacy of the procedure, which offers symptomatic relief in most patients. Long-term survival is comparable to historical reports after surgical myectomy. Complications are rare and can be further reduced with increased experience of the operators, and the theoretical concern for possible ventricular arrhythmogenicity of the myocardial scar has not been documented by the existing data. Although there are still no randomized trials, percutaneous septal ablation is undeniably a viable alternative for patients with HOCM.
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