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Journal of Parenteral and Enteral Nutrition
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Prognostic Role of Preoperative Nutritional and Immunological Assessment in the Surgical Patient

Marco Braga, M.D.

Scientific Institute San Raffaele Hospital, Cattedra di Patologia Chirurgica

Paolo Baccari, M.D.

Scientific Institute San Raffaele Hospital, Cattedra di Patologia Chirurgica

Sergio Scaccabarozzi, M.D.

Scientific Institute San Raffaele Hospital, Cattedra di Patologia Chirurgica

Enrico Fiacco, M.D.

Scientific Institute San Raffaele Hospital, Cattedra di Patologia Chirurgica

Giovanni Radaelli, M.A.

Unita' di Statistica Medica e Biometria, University of Milan, Milan, Italy

Giuseppe Gallus, M.A.

Unita' di Statistica Medica e Biometria, University of Milan, Milan, Italy

Saverio Dipalo, M.D.

Scientific Institute San Raffaele Hospital, Cattedra di Patologia Chirurgica

Valerio Dicarlo, M.D.

Scientific Institute San Raffaele Hospital, Cattedra di Patologia Chirurgica

Marco Cristallo, M.D.

Scientific Institute San Raffaele Hospital, Cattedra di Patologia Chirurgica

The utilization of delayed hypersensitivity response (DHR) for the identification of high-risk patients with regard to postoperative septic complications is still discussed. The aim of this study was to clarify how much DHR may improve the prognostic capacity of nutritional assessment (NA). Nutritional and immunological evaluations were performed at admission on 405 patients undergoing elective general surgical procedures. Subjects with serum albumin ≤3.0 g/ dl or total iron-binding capacity ≤220 µg/dl or weight loss ≥10% with respect to usual body weight were classified as malnourished. DHR was assessed by performing skin tests with four recall antigens: PPD, candida, trichophyton, sk-sd. The incidence of postoperative complications resulted higher among the 187 malnourished patients (31.0%) than in the 218 well-nourished ones (14.2%) (p < 0.001), and among the 213 anergic patients (29.6%) than in the 192 normal responders (13.5%) (p < 0.001). To determine how much skin tests may improve the prognostic ability of NA, the relationship between DHR and postoperative complications was also studied in the malnourished and in the well-nourished patients, separately. In the malnourished group, the patients with an impairment of DHR had a higher incidence of postoperative infections than normal responders (p < 0.05). In the well-nourished group, no significant differences were found between anergic patients and normal responders. In our study, DHR slightly improved the prognostic capacity of NA. Therefore, the first approach to identify the high-risk patients seems to be the unexpensive, quick, and available determination of nutritional status. (Journal of Parenteral and Enteral Nutrition 12:138-142, 1988)

Journal of Parenteral and Enteral Nutrition, Vol. 12, No. 2, 138-142 (1988)
DOI: 10.1177/0148607188012002138
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