Optimizing Biventricular Pacemaker Settings in Heart Failure
Author Information
Author(s): Naqvi Tasneem Z, Rafique Asim M
Primary Institution: Cedars-Sinai Medical Center
Hypothesis
Can atrioventricular (AV) delay optimization improve cardiac output and symptoms in heart failure patients post biventricular pacemaker implantation?
Conclusion
Echo-guided pacemaker optimization significantly improves symptoms and cardiac function in heart failure patients.
Supporting Evidence
- Patients showed marked improvement in symptoms after echo-guided pacemaker optimization.
- Shortening the AV delay helped reduce diastolic mitral regurgitation.
- Patients with Cheyne Stokes respiration experienced worsening heart failure symptoms, which improved with AV delay adjustments.
Takeaway
Doctors can adjust the settings of heart devices to help patients feel better and breathe easier.
Methodology
Case series describing the use of echo pulsed wave Doppler for AV delay optimization in patients with heart failure.
Limitations
The study is not a consecutive series and lacks a systematic evaluation of Cheyne Stokes respiration prevalence.
Participant Demographics
Patients included a mix of genders and ages, with varying histories of heart failure and pacemaker use.
Digital Object Identifier (DOI)
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