Improvement in heart rate recovery after cardiac rehabilitation.
作者： Susan Tiukinhoy , Nirat Beohar , Michael Hsie
DOI: 10.1097/00008483-200303000-00002
关键词:
摘要: PURPOSE Exercise-based cardiac rehabilitation has been shown to reduce mortality in patients with coronary artery disease. Although the exact mechanisms by which exercise reduces are unclear, one hypothesis invokes effect of on autonomic tone. Heart rate recovery (HRR) immediately after is a marker vagal tone that findings have be powerful predictor all-cause mortality. This study aimed evaluate exercise-based HRR. METHODS A retrospective was performed. Patients who completed phase 2 and had entry exit stress tests (n = 34) were included study. control sample identified review laboratory database 35). Then HRR at baseline follow-up compared. RESULTS After completion rehabilitation, improved from 18 +/- 7 bpm 22 8 (P <.001). Among controls, serial testing 21 10 9 =.649). The mean difference different between those enrolled program not =.002). CONCLUSION Exercise training results improvement. As simple parameter for assessing tone, may used facility identify higher risk profiles, can useful evaluating patient outcomes.
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