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The Journal of Thoracic and Cardiovascular Surgery, Vol 73, 489-496, Copyright © 1977 by The American Association for Thoracic Surgery and The Western Thoracic Surgical Association

ARTICLES

Nutritional support in cardiac cachexia

GL Blackburn, GW Gibbons, A Bothe, PN Benotti, DE Harken and TM McEnany

A nutritional survey of 350 hospital patients reveals 50 with cardiac disease who had clinically significant protein-calorie malnutrition. Assessment criteria of malnutrition (per cent normal) included triceps skin fold (52 per cent), arm muscle circumference (88 per cent), and impaired delayed hypersensitivity skin testing (i.e., deficiency in cell-mediated immunity), the latter frequently observed in patients with concurrent weight loss. The functional category of cardiac status was not precise in predictin the morbidity and mortality of 14 patients undergoing cardiac valvuloplasty. By contrast, a nutritional/metabolic profile using weight loss, triceps skin fold (35 per cent), arm muscle circumference (27 per cent), and cell-mediated immunity (29 per cent) did identify high-risk patients who could be expected to benefit by concurrent nutritional support (4/4). Further studies are indicated to determine if nutritional support for cardiac cachexia can reduce the levels of morbidity and mortality during mitral and tricuspid valve surgery.

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