Document Detail


Sequential assessment of exercise tolerance in heart transplantation compared with coronary artery bypass surgery after phase II cardiac rehabilitation.
MedLine Citation:
PMID:  8651119     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
To investigate the improvement in exercise capacity of transplant patients after an early postoperative (phase II) cardiac rehabilitation program during the first year after surgery, we analyzed retrospectively exercise capacity within 3 months (at the completion of phase II rehabilitation) and 1 year after surgery in 17 orthotopic heart transplantation patients (15 men and 2 women) and 17 age- and gender-matched coronary artery bypass graft (CABG) patients. All patients participated in a phase II cardiac rehabilitation exercise program followed by a home-based exercise program. At the completion of phase II cardiac rehabilitation, mean peak oxygen (VO2) adjusted for body weight in heart transplant patients was not significantly different from that in CABG patients (19.7 +/- 3.7 vs 21.9 +/- 4.1 ml/kg/min), and oxygen pulse at peak exercise did not differ between the 2 groups (11.5 +/- 2.5 vs 12.6 +/- 2.4 ml/beat). Between 3 months and 1 year after surgery, CABG patients had a marked increase in exercise time, increase in heart rate from rest to peak exercise (heart rate reserve), peak VO2, and oxygen pulse. In contrast, heart transplant patients had a significant but only modest increase in peak VO2, and were much more limited in exercise capacity at 1 year than were CABG patients (21.3 +/- 3.9 vs 27.4 +/- 4.7 ml/kg/min, p <0.0001). In our limited patient population, usual phase I rehabilitation with subsequent home-based exercise training was inadequate to improve the exercise capacity of heart transplant patients, and different rehabilitation protocols, such as long-term supervised exercise training, specific to this patient group may be indicated.
Authors:
H Daida; R W Squires; T G Allison; B D Johnson; G T Gau
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  The American journal of cardiology     Volume:  77     ISSN:  0002-9149     ISO Abbreviation:  Am. J. Cardiol.     Publication Date:  1996 Apr 
Date Detail:
Created Date:  1996-07-25     Completed Date:  1996-07-25     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0207277     Medline TA:  Am J Cardiol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  696-700     Citation Subset:  AIM; IM    
Affiliation:
Division of Cardiovascular Diseases, Mayo Clinic, Rochester, Minnesota.
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MeSH Terms
Descriptor/Qualifier:
Blood Pressure
Body Weight
Carbon Dioxide / metabolism
Case-Control Studies
Clinical Protocols
Coronary Artery Bypass / rehabilitation*
Coronary Disease / surgery*
Electrocardiography
Exercise Test
Exercise Therapy
Exercise Tolerance*
Female
Heart Rate
Heart Transplantation / rehabilitation*
Humans
Male
Middle Aged
Oxygen Consumption
Pulmonary Gas Exchange
Retrospective Studies
Chemical
Reg. No./Substance:
124-38-9/Carbon Dioxide

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


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