Associations between Cumulative Caloric Balance (CCB) and Length of Stay (LOS), Morbidity and Mortality in High Risk Postoperative or Posttraumatic Patients
Platt, Michael J.
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Twenty-six surgical inpatients with· multiple traumatic symptoms admitted to The University of Michigan Hospitals in Ann Arbor were analyzed for morbidity and mortality based on APACHE II scores (a severity of disease classification system). One-hundred sixty-one indirect calorimetric studies were performed on these patients, who received a combined 306 days of postoperative or posttraumatic supplemental nutrition. The patients were placed into one of two groups based upon their respective respiratory quotients (RO). Group one (G1) contained patients with an RQ > .95, while group two (G2) contained patients with an RQ < .95. Group one (G1) consisted of twelve patients who received a larger quantity of carbohydrates in their supplemental nutritional support than did the fourteen patients in group two (G2). There were no statistically significant differences in age, APACHE II score, or biochemical values between the two groups. Length of stay ( P < 0.10 ) and the need for nutritional support was determined to be longer for G1 patients than G2 patients (P = NS). However, the mortality rate in G1 was determined· to be statistically higher than the rate in G2; 33.3% versus 14.3%, respectively (P < 0.01). It is thus theorized that while an unbalanced diet may not significantly alter the LOS,it may affect the postoperative or posttraumatic mortality rate.