Abnormalities of total body oxygen consumption in valvular heart disease.

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Abstract
Comparisons were made between resting total body O2 consumption of groups of patients with various cardiac valve lesions (total 220 patients) and with normal subjects. Patients with aortic regurgitation or idio-pathic hypertrophic subaortic stenosis were found to have the highest O2 consumption. Those with aortic stenosis or mitral regurgitation were found to have intermediate values, and patients with mitral stenosis had still lower values identical to those of normal subjects. It is suggested that these differences are due to differences in myocardial O2 consumption of the different groups.