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Biventricular pacing in congestive heart failure: a boost toward finer living
Jerry C Luck1, Deborah L Wolbrette, John P Boehmer
1Pennsylvania State University, Milton S. Hershey Medical Center, Hershey, Pennsylvania 17033-0850, USA.
Insights
Congestive heart failure affects many. Biventricular pacing improves quality of life and functional class in heart failure patients, but long-term survival data are pending.
Area of Science:
- Cardiology
- Medical Technology
Background:
- Congestive heart failure (CHF) is a significant health issue with 550,000 new cases annually.
- Current medical therapies like ACE inhibitors and beta-blockers improve survival and slow CHF progression but often fail to enhance quality of life.
Purpose of the Study:
- To evaluate the impact of biventricular pacing on quality of life and functional status in patients with congestive heart failure.
- To explore the potential of resynchronization pacing therapy for long-term benefits in CHF management.
Main Methods:
- Review of recent biventricular pacing trials.
- Analysis of acute hemodynamic studies on resynchronization pacing therapy.
Main Results:
- Recent pacing trials indicate improvements in quality of life and functional class for CHF patients.
- Acute hemodynamic data suggest potential positive long-term benefits of resynchronization pacing.
Conclusions:
- Biventricular pacing shows promise in improving quality of life and functional class for heart failure patients.
- Further long-term studies are necessary to confirm the effect of biventricular pacing on survival rates in congestive heart failure.
Abstract:
With 550,000 new cases each year, congestive heart failure is a major medical problem. Several medical therapies, including digoxin, angiotensin-converting enzyme inhibitors, and beta-blockers, have reduced the number of re-hospitalizations and slowed the progression of congestive heart failure. Angiotensin-converting enzyme inhibitors, some beta-blockers, and the combination of hydralazine with nitrates have improved survival. Despite these benefits, medical therapy frequently fails to improve quality of life. Biventricular pacing has been introduced to resynchronize mechanical and electrical asynchrony frequently observed in patients with heart failure. The most recent pacing trials show an improvement in quality of life and functional class. Long-term data are needed to determine the effect of biventricular pacing on survival. The acute hemodynamic studies suggest that resynchronization pacing therapy may predict a positive long-term benefit for many patients with congestive heart failure.