Nutritional risk index as a predictor of postoperative wound complications after gastrectomy

doi:10.3748/wjg.v18.i7.673

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Feb 21, 2012 (publication date) through Apr 26, 2024

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World Journal of Gastroenterology

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1007-9327

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

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World J Gastroenterol. Feb 21, 2012; 18(7): 673-678
Published online Feb 21, 2012. doi: 10.3748/wjg.v18.i7.673

Nutritional risk index as a predictor of postoperative wound complications after gastrectomy

Cheong Ah Oh, Dae Hoon Kim, Seung Jong Oh, Min Gew Choi, Jae Hyung Noh, Tae Sung Sohn, Jae Moon Bae, Sung Kim

Cheong Ah Oh, Dae Hoon Kim, Seung Jong Oh, Min Gew Choi, Jae Hyung Noh, Tae Sung Sohn, Jae Moon Bae, Sung Kim, Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, 50 Irwon-dong, Gangnamgu, Seoul 135-710, South Korea

Author contributions: Oh CA and Bae JM contributed to the conception and design of the study, acquisition of data, analysis and interpretation of data, drafting the article and revising it critically for important intellectual content; Choi MG, Noh JH, Kim S and Sohn TS participated in study concept and design, analysis and interpretation of data and critical revision of the data for important intellectual content; Kim DH and Oh SJ provided significant advice and consultation all through the study and participated in interpretation of data; All authors read and approved the final manuscript.

Correspondence to: Jae Moon Bae, MD, PhD, Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, 50 Irwon-dong, Gangnamgu, Seoul 135-710, South Korea. jmoon.bae@samsung.com

Telephone: +82-2-34100498 Fax: +82-2-34106981

Received: April 9, 2011
Revised: July 14, 2011
Accepted: July 21, 2011
Published online: February 21, 2012

Abstract

AIM: To investigate the correlation between the nutritional risk index (NRI) and postoperative wound complications.

METHODS: From January 2008 through June 2008, 669 patients who underwent curative gastrectomy for gastric cancer were included in a retrospective study. Medical records of consecutive patients were collected and analyzed to determine postoperative wound complication rates. The NRI was assessed on the fifth postoperative day and other possible risk factors for the incidence of wound complications were analyzed to identify the factors affecting postoperative wound complications. Patients with other postoperative complications were excluded from the study.

RESULTS: On the 5th postoperative day, the NRI sh-owed a malnutrition rate of 84.6% among postoperative patients. However, postoperative wound complications occurred in only 66/669 (9.86%) patients. Of the patients with wound complications, 62/66 (94%) belonged to the malnourished group (NRI < 97.5), and 4/66 (6%) patients to the non-malnourished group (NRI ≥ 97.5). The only factor correlated with wound complications was the NRI on the 5th postoperative day (odds ratio of NRI ≥ 97.5 vs NRI < 97.5: 0.653; 95% confidence interval: 0.326-0.974; P = 0.014) according to univariate analysis as well as multivariate analysis.

CONCLUSION: This study suggests that malnutrition immediately after surgery may play a significant role in the development of wound complications.

Keywords: Nutritional risk index, Wound complication, Gastric cancer