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Pacing in hypertrophic cardiomyopathy
P Sorajja1, P M Elliott, W J McKenna
1Department of Cardiological Sciences, St. George's Hospital Medical School, London, United Kingdom.
Insights
Dual chamber pacing offers hemodynamic and symptomatic benefits for hypertrophic cardiomyopathy patients. Recent trials suggest considering a pacing trial before surgical intervention for drug-refractory symptoms.
Area of Science:
- Cardiology
- Cardiac Electrophysiology
Background:
- Hypertrophic cardiomyopathy (HCM) management often involves surgery.
- Dual chamber pacing presents a potential non-surgical alternative for HCM.
- Previous reports indicate hemodynamic and symptomatic improvements with pacing in HCM.
Purpose of the Study:
- To review recent clinical trial data on dual chamber pacing in hypertrophic cardiomyopathy.
- To evaluate the efficacy of pacing as an alternative to surgery for drug-refractory HCM symptoms.
Main Methods:
- Review of recently concluded clinical trials.
- Analysis of studies investigating dual chamber pacing in hypertrophic cardiomyopathy patients.
Main Results:
- Dual chamber pacing has demonstrated hemodynamic benefits in HCM patients.
- Symptomatic improvements have been documented in patients undergoing pacing for HCM.
- Recent trials provide further evidence supporting pacing's role in HCM management.
Conclusions:
- Dual chamber pacing is a viable alternative to surgery for select hypertrophic cardiomyopathy patients.
- A trial of pacing should be considered for patients with drug-refractory symptoms before surgical options.
- Ongoing research continues to define the optimal role of pacing in hypertrophic cardiomyopathy treatment.
Abstract:
Dual chamber pacing has been proposed as an alternative to surgery in the management of hypertrophic cardiomyopathy. Reports have documented hemodynamic and symptomatic benefit from dual chamber pacing, raising the question of whether or not all patients with drug-refractory symptoms should undergo a trial of pacing before consideration of surgery. The enthusiasm for pacing in hypertrophic cardiomyopathy has generated a number of investigations addressing this issue, including several recently concluded clinical trials. This article reviews the recent experience with dual chamber pacing in hypertrophic cardiomyopathy.