Document Detail

Does the mode of exercise influence recovery of functional capacity in the early postoperative period after coronary artery bypass graft surgery? A randomized controlled trial.
MedLine Citation:
PMID:  22976996     Owner:  NLM     Status:  MEDLINE    
OBJECTIVES: The purpose of this study was to compare the effectiveness of moderate-intensity stationary cycling and walking exercise programmes in the early postoperative period after first-time coronary artery bypass graft surgery.
METHODS: In this prospective trial, 64 patients (57 men, 7 women, mean age = 66 ± 9 years) performed twice daily, moderate-intensity exercise sessions, of 10-min duration, from postoperative day 3 until discharge from hospital. Patients were randomly assigned to stationary cycling or walking exercise intervention groups. Preoperative and discharge functional exercise capacity and health-related quality of life were assessed using 6-min walk and cycle assessments and the SF-36 version 2.0 questionnaire. Compliance with exercise was calculated as the proportion of scheduled exercise sessions completed.
RESULTS: There were no significant differences between intervention groups at hospital discharge for 6-min walk distance (cyclists: 402 ± 93 m vs walkers: 417 ± 86 m, P = 0.803), 6-min cycle work (cyclists: 15.0 ± 6.4 kJ vs walkers: 14.0 ± 6.3 kJ, P = 0.798) or health-related quality of life. There was no significant difference between intervention groups for postoperative length of hospital stay (P = 0.335). Compliance rates for intervention groups were cyclists: 185/246 (75%) scheduled exercise sessions completed vs walkers: 199/242 (82%) scheduled exercise sessions completed (P = 0.162).
CONCLUSIONS: Stationary cycling provides a well-tolerated and clinically effective alternative to walking in the early postoperative period after coronary artery bypass graft surgery. The optimal frequency, intensity and duration of exercise in the early postoperative period require further investigation. (Clinical trials register: Australian New Zealand Clinical Trials Registry; identification number: ACTRN12608000359336;
Andrew D Hirschhorn; David A B Richards; Sean F Mungovan; Norman R Morris; Lewis Adams
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Publication Detail:
Type:  Comparative Study; Journal Article; Randomized Controlled Trial     Date:  2012-09-12
Journal Detail:
Title:  Interactive cardiovascular and thoracic surgery     Volume:  15     ISSN:  1569-9285     ISO Abbreviation:  Interact Cardiovasc Thorac Surg     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2012-11-20     Completed Date:  2013-05-06     Revised Date:  2013-12-04    
Medline Journal Info:
Nlm Unique ID:  101158399     Medline TA:  Interact Cardiovasc Thorac Surg     Country:  England    
Other Details:
Languages:  eng     Pagination:  995-1003     Citation Subset:  IM    
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MeSH Terms
Analysis of Variance
Chi-Square Distribution
Coronary Artery Bypass* / adverse effects
Coronary Artery Disease / physiopathology,  psychology,  surgery*
Exercise Test
Exercise Therapy / methods*
Exercise Tolerance
Length of Stay
Linear Models
Middle Aged
New South Wales
Patient Compliance
Patient Discharge
Postoperative Care
Prospective Studies
Quality of Life
Recovery of Function
Time Factors
Treatment Outcome

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

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