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Surgical Site Infection 4X more likely if low vitamin D – Aug 2019

Relationship Between Preoperative 25-Hydroxy Vitamin D and Surgical Site Infection.

J Surg Res. 2019 Aug 16;245:338-343. doi: 10.1016/j.jss.2019.07.036
Abdehgah AG1, Monshizadeh A2, Tehrani MM3, Afhami S4, Molavi B1, Jafari M1, Nasiri S1, Soroush A1.

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Surgical site infection (SSI) is one of the most important and costly complications of surgical operations. Vitamin D antimicrobial and wound healing effects have been recently shown in animal models and in laboratory settings. Furthermore, potential effects of vitamin D in mitigating nosocomial infections and SSIs have been examined at a limited scale. To our knowledge, no comprehensive study has been performed to show the relationship between preoperative level of vitamin D and incidence of SSI. The present study was designed and implemented to investigate this relationship.

We performed a prospective cross-sectional study involving 300 adult patients who were admitted to undergo surgery in our tertiary care unit from January 2016 to January 2018. Cutoff point was considered at a level of 30 (ng/mL) in defining vitamin D deficiency. The presence of any SSI was investigated and recorded at the time of discharge and at postoperative visits up to 30 d after the surgery. Cross-tabulation and bivariate and multivariate logistic regression with unadjusted and adjusted odd ratio were used to determine the association between dependent and independent variables and to identify factors associated with SSIs.

Overall, of 300 patients who were investigated, 39% had preoperative vitamin D deficiency and 11% developed SSI. In univariate logistic regressions, 20 predictors were selected to be included in the multivariate analysis. Finally preoperative level of 25-hydroxy vitamin D, history of recent infection, preoperative and postoperative hospital length of stay, and postoperative blood transfusions were confirmed as statistically significant independent predictors of SSI.

Preoperative 25-hydroxy vitamin D level has a strong effect on postoperative SSI. Prospective double-blinded randomized clinical trials are required to confirm such strong relationship and to settle preoperative vitamin D measurement as a standard approach to reduce postoperative complications including SSI. Preoperative patient optimization, limiting hospital length of stay, and blood transfusion are other strategies to reduce SSI.

Created by admin. Last Modification: Wednesday August 21, 2019 13:48:11 GMT-0000 by admin. (Version 5)

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