Ventricular Dyssynchrony in Heart Failure Patients
Author Information
Author(s): Peraldo Carlo MD, Azzolini Paolo MD, Matera Sabrina MD, Nistri Donatella MD, Bianchi Stefano MD, Sgreccia Fabrizio MD, Valsecchi Sergio PhD, Davinelli Mario PhD, Puglisi Andrea MD
Primary Institution: Ospedale Fatebenefratelli - S. Giovanni Calibita, Rome, Italy
Hypothesis
What are the differences in dyssynchrony status of CRT candidates based on the etiology of heart failure?
Conclusion
Ischemic patients showed a significant reduction in dyssynchrony values at 6 and 12 months, while nonischemic patients did not.
Supporting Evidence
- At baseline, dyssynchrony was significantly greater in both ischemic and nonischemic patients compared to controls.
- Ischemic patients showed a significant reduction in dyssynchrony values at 6 and 12 months.
- Both groups improved their LV function, but ischemic patients had a lower proportion of LV reverse remodeling.
Takeaway
This study looked at how heart failure affects the timing of heart muscle contractions in patients getting special therapy, finding that those with heart damage improved more over time.
Methodology
Tissue Doppler Imaging was performed on 35 CRT candidates at baseline, 6 months, and 12 months, with a control group of 11 healthy subjects.
Limitations
The study was performed in a small patient population and only assessed basal segments.
Participant Demographics
35 patients (18 ischemic, 17 nonischemic) and 11 healthy controls.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
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