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oa Cardiovascular Journal of Africa - An alternative protocol for exercise testing in cardiac rehabilitation

Volume 6, Issue 3
  • ISSN : 1995-1892
  • E-ISSN: 1680-0745

 

Abstract

Exercise testing is used in cardiac rehabilitation to assess patients before planning an exercise programme. In this study the reproducibility and accuracy of the Chung protocol was analysed and compared with the Bruce protocol. Eight cardiac subjects and 9 controls each performed two Chung protocol tests and one Bruce protocol test. The ventilatory, cardiovascular and metabolic parameters were determined and statistically analysed. The only significant difference between the Bruce and Chung protocols was in the ventilatory threshold (P < 0,05). There were no significant differences between the two protocols in respect of heart rate, peak oxygen uptake, ventilatory equivalent and respiratory quotient. The Chung test showed an essentially linear increase in both heart rate and oxygen uptake. The Chung protocol was found to be less anaerobic (P < 0,05) than the Bruce protocol, and is therefore better tolerated by cardiac patients in an exercise rehabilitation setting. The test is reproducible and can therefore be used as an effective means of monitoring patients' progress in cardiac rehabilitation.

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/content/cardio1/6/3/AJA10159657_1119
1995-06-01
2017-10-19

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