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Underweight Body Mass Index as a Predictive Factor for Surgical Site Infections after Laparoscopic Appendectomy

 Mina Cho  ;  Jeonghyun Kang  ;  Im-kyung Kim  ;  Kang Young Lee  ;  Seung-Kook Sohn 
 YONSEI MEDICAL JOURNAL, Vol.55(6) : 1611-1616, 2014 
Journal Title
Issue Date
Adult ; Aged ; Appendectomy/adverse effects* ; Appendicitis/surgery* ; Body Mass Index* ; Body Weight ; Female ; Humans ; Laparoscopy* ; Male ; Middle Aged ; Multivariate Analysis ; Obesity/complications ; Odds Ratio ; Prospective Studies ; Risk Factors ; Surgical Wound Infection/etiology* ; Thinness/complications* ; Treatment Outcome
Appendicitis ; body mass index ; laparoscopic appendectomy ; morbidity ; surgical site infection
PURPOSE: Analyses of risk factors associated with surgical site infections (SSIs) after laparoscopic appendectomy (LA) have been limited. Especially, the association of an underweight body mass index (BMI) with SSIs has not been clearly defined. This study aimed to identify the impact of underweight BMI in predicting SSIs after LA. MATERIALS AND METHODS: The records of a total of 101 consecutive patients aged ≥16 years who underwent LA by a single surgeon between March 2011 and December 2012 were retrieved from a prospectively collected database. The rate of SSIs was compared among the underweight, normal and overweight and obese groups. Also, univariate and multivariate analyses were performed to identify the factors associated with SSIs. RESULTS: The overall rate of SSIs was 12.8%. The superficial incisional SSI rate was highest in the underweight group (44.4% in the underweight group, 11.0% in the normal group, and 0% in the overweight and obese group, p=0.006). In univariate analysis, open conversion and being underweight were determined to be risk factors for SSIs. Underweight BMI was also found to be a significant predictor for SSIs in multivariate analysis (odds ratio, 10.0; 95% confidence interval, 2.0-49.5; p=0.005). CONCLUSION: This study demonstrated underweight BMI as being associated with SSIs after LA. Surgeons should be more cautious to prevent SSIs in patients that are underweight when performing LA.
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1. College of Medicine (의과대학) > Dept. of Surgery (외과학교실) > 1. Journal Papers
Yonsei Authors
Kang, Jeonghyun(강정현) ORCID logo https://orcid.org/0000-0001-7311-6053
Kim, Im Kyung(김임경) ORCID logo https://orcid.org/0000-0001-8505-5307
Sohn, Seung Kook(손승국)
Lee, Kang Young(이강영)
Cho, Minah(조민아) ORCID logo https://orcid.org/0000-0003-3011-5813
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