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Differentiating Subtypes (Hypoalbuminemic vs Marasmic) of Protein-Calorie Malnutrition: Incidence and Clinical Significance in a University Hospital Setting

Department of Medicine and Community Health, University of Louisville School of Medicine, Louisville, Kentucky

Thomas E. Mitoraj, MD

Department of Pediatrics, Eastern Virginia School of Medicine, Norfolk, Virginia

Kenneth A. Thielmeier, MD

Department of Surgery, University of Kentucky College of Medicine, Lexington

Richard A. Greenburg, PHD

Department of Medicine and Community Health, University of Louisville School of Medicine, Louisville, Kentucky

Clinical nutrition assessment has identified two types of protein-calorie malnutrition (PCM), a stress-induced hypoalbuminemic form (HAF-PCM) and a marasmic form (MF-PCM) generated by adaptation to starvation. This study evaluated the differences between these two patterns of PCM with regard to precipitating factors and the clinical sequelae of mortality, cost of total parenteral nutrition, length of hospitalization, and rate of sepsis and nosocomial infection. Of 220 patients receiving total parenteral nutrition over a 12-month period (0.7% of 30, 127 admissions), 180 were included in this study. HAF-PCM was diagnosed in 45% and MF-PCM in 25% of study patients. HAF-PCM was more common in older age groups. Women had PCM less often than did men (57% vs 83%), but whereas men developed both forms of PCM equally, women were more likely to develop HAF-PCM. Prolonged mechanical ventilation increased the likelihood of both patterns, whereas the presence of malignancy, concomitant organ failure, trauma, burns, or surgery did not increase the likelihood of developing either pattern of PCM. HAF-PCM increased the length of hospitalization by 29% and the cost of total parenteral nutrition by 42%. The presence of HAF-PCM increased fourfold the odds of dying, and the odds of developing nosocomial infection and sepsis almost 2.5 times above that seen in its absence. MF-PCM had no clinical effect of its own on any of the outcome parameters, but instead exerted only an interactive synergistic effect with HAF-PCM on length of hospitalization and cost of total parenteral nutrition. (Journal of Parenteral and Enteral Nutrition 16:337-342, 1992)

Journal of Parenteral and Enteral Nutrition, Vol. 16, No. 4, 337-342 (1992)
DOI: 10.1177/0148607192016004337


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