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Does heart rate predict allograft vasculopathy in heart transplant recipients?
Pierre Ambrosi1, Bernard Kreitmann2, Gilbert Habib1
1Department of Cardiology, Hôpital de la Timone, 13385 Marseille, France.
Insights
Resting heart rate does not predict cardiac allograft vasculopathy in heart transplant recipients. This study found no significant difference in coronary lesion development based on heart rate levels after transplantation.
Area of Science:
- Cardiology
- Transplantation Immunology
- Vascular Biology
Background:
- Atherosclerosis progression is linked to heart rate.
- Cardiac allograft vasculopathy (CAV) is a major concern post-heart transplantation.
- Prognostic markers for CAV are crucial for patient management.
Purpose of the Study:
- To investigate the prognostic value of resting heart rate in predicting CAV development.
- To assess the association between heart rate and the incidence of coronary lesions after heart transplantation.
Main Methods:
- Retrospective analysis of 143 heart transplant recipients.
- Resting heart rate measured 3 months post-transplantation.
- Coronary angiography performed during a mean follow-up of 9.5 years.
Main Results:
- No significant difference in survival without coronary lesions between patients with heart rate > or ≤97/min (median).
- 56 out of 143 patients developed coronary lesions during follow-up.
- The study did not find a statistically significant correlation between heart rate and CAV.
Conclusions:
- Resting heart rate measured 3 months post-heart transplantation does not appear to be a significant predictor of cardiac allograft vasculopathy.
- Further research may be needed to identify other reliable prognostic markers for CAV.
Abstract:
Experimental data suggest that heart rate is directly associated with the progression of atherosclerosis. We evaluated the prognostic importance of heart rate measured at rest 3 months after transplantation in 143 heart transplant recipients. During the follow-up (mean 9.5 years, range 2-23 years) 56 patients had coronary lesions. Survival without coronary lesion at angiography did not significantly differ between patients with a basal heart rate > or ≤97/min (median, p=0.44). This series does not support a prognostic influence of heart rate for cardiac allograft vasculopathy.
