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[Effects of verapamil on left ventricular diastolic dysfunction]
1Department of Cardiology, Affiliated Hospital, Shandong Medical University, Jinan.
Zhonghua Nei Ke Za Zhi
|June 1, 1995
Summary
Verapamil improved left ventricular filling in patients with diastolic dysfunction. However, relaxation improvements varied by condition, suggesting verapamil
Area of Science:
- Cardiology
- Pharmacology
Context:
- Left ventricular diastolic dysfunction (LVDD) affects cardiac filling and relaxation.
- Assessing pharmacological interventions for LVDD is crucial for patient outcomes.
Purpose:
- To evaluate the impact of verapamil on left ventricular relaxation and filling dynamics in LVDD patients.
- To differentiate verapamil's effects based on the etiology of LVDD.
Summary:
- Simultaneous Doppler echocardiography and cardiac catheterization were used in 30 LVDD patients before and after verapamil administration.
- Verapamil significantly enhanced left ventricular filling across all patients.
- Left ventricular relaxation improved in hypertrophic cardiomyopathy and hypertensive heart disease but not in old myocardial infarction, with no correlation between filling and relaxation indices.
Impact:
- Verapamil's primary mechanism for improving left ventricular filling appears to be afterload reduction.
- Therapeutic effects of verapamil in LVDD are etiology-dependent.
- Findings guide personalized verapamil treatment strategies for diverse LVDD patient populations.