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2010, Number 3

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Cir Gen 2010; 32 (3)

Body mass index as a risk factor for complications after a biliodigestive shunt due to benign injury of the bile duct

Mercado MÁ, Urencio MJM, Franssen CB, Ramírez DVF, Elnecavé OA

Language: Spanish
References: 22
Page: 149-154
PDF size: 196.77 Kb.


ABSTRACT

Objective: To determine the impact of the body mass index (BMI) on the morbidity and mortality in patients subjected to biliodigestive derivation (BDD) due to iatrogenic injury to the biliary tract (IIBT).
Setting: Third level health care center, Instituto Nacional de Ciencias Médicas y Nutrición “Salvador Zubirán”.
Design: Retrospective, transversal, comparative study.
Statistical analysis: Chi square for qualitative variables. Variance analysis (ANOVA) and Kruskal-Wallis non-parametric ANOVA test were used to compare continuous variables.
Patients and methods: Patients subjected to BDD due to IIBT between 1990 and 2007 were included in the study. Assessed variables were; age, gender, weight, size, BMI, surgical time, post-operative in-hospital stay, postsurgical biliary and non-biliary complications, and cholangitis-free time. Based on the BMI, patients were divided in three groups: BMI ≤ 25 as normal, BMI ≥ 25 ≤ 30 overweight, and BMI ≥ 30 obese; the three groups were compared among themselves.
Results: We included 271 patients in the study; 21% were men and 79% were women. BMI ≤ 25: 141 cases (52%); BMI ≥ 25 ≤ 30: 90 cases (33%), and IMC ≥ 30: 40 cases (15%). Mean age was 39 ± 14, 41 ± 13, and 42 ± 12 years, respectively. The percentage and severity of non-biliary complications was higher in the BMI ≥ 30 group; however, none of the three groups revealed any significant difference. Variables of age, gender, previous repair, and use of stent before surgery revealed no statistical significance. Biliary complications were more frequent when increasing the BMI, but none was statistically significant. Cholangitis-free time was higher in the BMI ≥ 30 than in the other two groups, but without significance (P = 0.39).
Conclusion: The BMI did not have any significance as a negative prognostic factor on mortality neither on the result of the biliary reconstruction in our series.


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