Impaired cardiorespiratory fitness after aneurysmal subarachnoid hemorrhage.
DOI:
https://doi.org/10.2340/16501977-2127Keywords:
subarachnoid haemorrhage, physical fitness, cardiopulmonary exercise test, fatigue.Abstract
OBJECTIVE: To assess cardiorespiratory fitness in patients following an aneurysmal subarachnoid haemorrhage and to explore this in fatigued and non-fatigued patients. DESIGN: Cross-sectional case-control study. SUBJECTS/PATIENTS: A total of 28 patients, 6 months post aneurysmal subarachnoid haemorrhage, and 28 sex- and age-matched controls. METHODS: Cardiorespiratory responses to a progressive cardiopulmonary exercise test on a cycle ergometer were obtained using indirect calorimetry. Fatigue was assessed using the Fatigue Severity Scale. RESULTS: Mean peak oxygen uptake (V̇O2peak) was significantly lower in patients (22.0 (standard deviation (SD) 6.2) ml/kg/min) than in controls (69% of controls, p < 0.001). All other cardiorespiratory fitness parameters were also lower, with peak levels ranging from 62% to 77% of matched controls. Mean V̇O2peak was 19.4 (SD 4.1) ml/kg/min in fatigued patients (63% of matched controls, p < 0.001) and 23.9 (SD 6.9) ml/kg/min in non-fatigued patients (74% of matched controls, p = 0.002). CONCLUSION: Cardiorespiratory fitness is impaired after aneurysmal subarachnoid haemorrhage, both in fatigued and non-fatigued patients. This finding may have implications for treatment.Downloads
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