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Chronotropic Assessment in Patients with Constrictive Pericarditis.
Teruhiko Imamura1, Nikhil Narang2, Stephanie Besser3
1The Second Department of Internal Medicine, University of Toyama.
Optimizing heart rate (HR) in constrictive pericarditis patients may reduce heart failure readmissions. Non-optimized HR, particularly higher rates, is linked to increased risk, suggesting a need for HR control strategies.
Area of Science:
- Cardiology
- Internal Medicine
Background:
- Constrictive pericarditis management is challenging.
- Heart rate (HR) modulation is beneficial in systolic heart failure but unstudied in constrictive pericarditis.
Purpose of the Study:
- To evaluate the impact of HR control on heart failure readmission rates in constrictive pericarditis patients.
Main Methods:
- Retrospective study of 15 constrictive pericarditis patients.
- Echocardiography at discharge.
- Assessed HR difference from ideal HR (calculated via deceleration time) and heart failure readmission rates.
Main Results:
- Non-optimized HR was associated with higher heart failure readmission rates.
- Higher HR difference (>10 bpm) showed a 9.22 times increased risk of readmission.
- Optimal HR (within ±10 bpm) had the lowest readmission rate (0.067 events/year).
Conclusions:
- Non-optimized heart rate increases the risk of heart failure recurrence in constrictive pericarditis.
- Deceleration time-guided HR optimization warrants prospective investigation.
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