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Relationship of the Psoas Muscle Index with the Other Nutritional Factors in Patients Who Underwent Emergency Operation with Colonic Perforation
Surg Metab Nutr 2018;9(2):36-40
Published online December 30, 2018
© 2018 The Korean Society of Surgical Metabolism and Nutrition.

Young Hun Kim, M.D.1, Ki Wook Lee, M.D.2, Kyung Jong Kim, M.D., Ph.D.1

Departments of 1Surgery, 2Diagnostic Radiology, Chosun University College of Medicine, Gwangju, Korea
Correspondence to: Kyung Jong Kim, Department of Surgery, Chosun University College of Medicine, 365 Pilmundae-ro, Dong-gu, Gwangju 61453, Korea Tel: +82-62-220-3068, Fax: +82-62-228-3441, E-mail:
Received July 15, 2018; Accepted October 21, 2018.
This is an open access article distributed under the terms of the Creative Commons Attribution Non-Commercial License ( which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Purpose: This study examined the correlation between the preoperative nutritional index and Sarcopenia in emergency colonic perforation patients.
Materials and Methods: Patients undergoing an emergency operation with colorectal perforation at Chosun University Hospital between January 2014 and December 2016 were included in the analysis, and the medical records were reviewed retrospectively. Sarcopenia was defined by the psoas muscle area measured by preoperative computed tomography (CT) cross sectional imaging at L3 vertebra. The clinical nutritional index of patients with PMI (psoas muscle index)-High group were compared with a PMI-Low group.
Results: The median PMI of the males was 4.48 cm2/m2 and the median of females was 3.33 cm2/m2 (P=0.002) The PMI-High and PMI-Low groups were not correlated with age and gender (P=0.455 and P=0.806, respectively). The traditional indicators of the nutritional status, such as body mass index (BMI), albumin, and lymphocytes, were not associated with sarcopenia (P=0.094, P=0.676, and P=1.000, respectively). No significant difference was observed between the ASA classification and sarcopenia (P=0.145).
Conclusion: Sarcopenia using PMI was not associated with previous nutritional indices in patients undergoing emergency surgery due to colonic perforation. In the future, large-scale studies will need to identify its role as a prognostic factor.
Keywords : Nutrition index, Psoas muscle, Emergency, Colonic perforation

December 2018, 9 (2)
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