Document Detail


Effects of residential exercise training on heart rate recovery in coronary artery patients.
MedLine Citation:
PMID:  16980349     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The aims of the present study are twofold: 1) to investigate whether heart rate recovery (HRR) after a cycle ergometry test is affected by exercise training and 2) to test the ability of HRR to replicate the baroreflex sensitivity (BRS) changes that occur in response to an exercise training program in coronary artery patients. We randomized 82 coronary artery patients undergoing a residential cardiac rehabilitation program to an exercise training group (TR; n = 43) and an untrained group (UTR; n = 39). All of the patients underwent an exercise test before and after the rehabilitation program. HRR was recorded at the end of the 1st and 2nd min after exercise. BRS was determined at rest before and after treatment. HRR after the 2nd min was significantly improved in TR patients (-21.4 +/- 0.9 beats/min) compared with UTR patients (-17.8 +/- 1.2 beats/min) at the end of the training program. Improvement in HRR paralleled that in BRS in TR patients (from 3.2 +/- 0.3 to 5.3 +/- 0.8 ms/mmHg; P < 0.001), whereas no significant change was evident in UTR patients (from 3.5 +/- 0 to 4.0 +/- 0.4 ms/mmHg; P = 0.230). Our data show that HRR in the 2nd min after the cessation of a cycle ergometer exercise test increased in coronary artery patients after an exercise training period. This result confirms the positive effect induced by exercise training on HRR and extends the conclusions of previous studies to different modalities of exercise (i.e., cycle ergometer). HRR might provide an additional simple marker of the effectiveness of physical training programs in cardiac patients.
Authors:
Jacopo M Legramante; Ferdinando Iellamo; Michele Massaro; Sergio Sacco; Alberto Galante
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Publication Detail:
Type:  Journal Article; Randomized Controlled Trial     Date:  2006-09-15
Journal Detail:
Title:  American journal of physiology. Heart and circulatory physiology     Volume:  292     ISSN:  0363-6135     ISO Abbreviation:  Am. J. Physiol. Heart Circ. Physiol.     Publication Date:  2007 Jan 
Date Detail:
Created Date:  2007-01-10     Completed Date:  2007-02-20     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  100901228     Medline TA:  Am J Physiol Heart Circ Physiol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  H510-5     Citation Subset:  IM    
Affiliation:
Dipartimento Medicina Interna, Università di Roma "Tor Vergata," Via Montpellier 1, 00133 Roma, Italy. legramante@med.uniroma2.it
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MeSH Terms
Descriptor/Qualifier:
Coronary Artery Disease / diagnosis,  physiopathology*,  rehabilitation*
Exercise Therapy / methods*
Female
Heart Rate*
Humans
Male
Middle Aged
Recovery of Function*
Residential Facilities
Treatment Outcome

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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