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Reliability of repeated arm‐crank cardiopulmonary exercise tests in patients with small abdominal aortic aneurysm
Author(s) -
Durrand J. W.,
Wagstaff K.,
Kasim A.,
Cawthorn L.,
Danjoux G. R.,
Kothmann E.
Publication year - 2018
Publication title -
anaesthesia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.839
H-Index - 117
eISSN - 1365-2044
pISSN - 0003-2409
DOI - 10.1111/anae.14312
Subject(s) - anaerobic exercise , medicine , oxygen pulse , crank , abdominal aortic aneurysm , vo2 max , anesthesia , cardiology , aortic aneurysm , aneurysm , surgery , physical therapy , heart rate , blood pressure , mathematics , geometry , cylinder
Summary Arm‐crank ergometry may be useful in patients unable to pedal, for instance due to peripheral arterial disease. Twenty participants with small abdominal aortic aneurysm undertook two serial arm‐crank tests and then a pedal test, four of whom had indeterminate anaerobic thresholds, precluding analysis. The mean (SD) peak arm and leg oxygen consumptions in 16 participants were 13.71 (2.62) ml.kg −1 .min ‐1 and 16.82 (4.44) ml.kg −1 .min ‐1 , with mean (SD) individual differences of 3.11 (2.48) ml.kg −1 .min ‐1 , p = 0.0001. The respective values at the anaerobic thresholds were 7.83 (1.58) ml O 2 .kg −1 .min ‐1 and 10.09 (3.15) ml O 2 .kg −1 .min ‐1 , with mean (SD) individual differences of 2.26 (2.34) ml O 2 .kg −1 .min ‐1 , p = 0.0001. The correlation coefficients (95% CI ) for peak oxygen consumption and anaerobic threshold were 0.88 (0.62–1.0) and 0.70 (0.32–1.0). There were no significant differences in serial arm‐crank tests, with intracluster correlations (95% CI ) of 0.87 (0.86–0.88) and 0.65 (0.61–0.69) for peak oxygen consumption and anaerobic threshold, respectively.