Merritt Denham1, Kara Donovan1, Nicole Wetoska1, Kristine Kuchta1, JoAnn Carbray1, John G Linn1, Woody Denham1, Stephen P Haggerty1, Raymond Joehl1, Michael Ujiki2. 1. Section of Minimally Invasive Surgery, Department of Surgery, NorthShore Center for Simulation and Innovation, NorthShore University HealthSystem, 2650 Ridge Ave, Evanston, IL, 60201, USA. 2. Section of Minimally Invasive Surgery, Department of Surgery, NorthShore Center for Simulation and Innovation, NorthShore University HealthSystem, 2650 Ridge Ave, Evanston, IL, 60201, USA. mujiki@northshore.org.
Abstract
BACKGROUND: Postoperative urinary retention (POUR) is a complication of laparoscopic inguinal hernia repair (LIHR). Previous research has identified predictive factors of POUR, such as age and history of benign prostatic hyperplasia (BPH). There is currently limited work on preventative measures. We hypothesize dexamethasone, a steroid, reduces POUR rates following LIHR due to its mechanism. METHODS: Consecutive patients (n = 979) undergoing LIHR from 2009 to 2017 at a single institution were selected from a prospectively managed database. All procedures were performed by four general surgeons. Only male patients were selected, as the majority of POUR occurs in males. Patients were retroactively chart reviewed and divided into two groups, dexamethasone use (n = 623) and no dexamethasone use (n = 356). Perioperative factors were compared between groups with Chi-square and independent samples t tests. Univariable and multivariable logistic regression analysis was used to assess whether dexamethasone use was associated with POUR. A subgroup analysis was performed on the dexamethasone group to determine any dose-dependent effects. RESULTS: We found a significant difference in POUR between the dexamethasone group and no dexamethasone group (3.7% vs. 9.8%, p = 0.0001). Patients in the dexamethasone group had a shorter length of stay, and were less likely to have BPH or a Foley placed (all p < 0.05). Age and BMI were similar between groups. Multivariable analysis showed that the use of dexamethasone was associated with a reduced risk of POUR (OR 0.52, 95% CI 0.2-0.97, p = 0.0386), while controlling for factors such as age and BPH. A subgroup analysis examined the effect of dexamethasone per unit (mg) increase. There was no significant association between dexamethasone dose and POUR rates (OR 1.07, 95% CI 0.82-1.38, p = 0.6241). CONCLUSIONS: Patients who received dexamethasone showed a lower rate of POUR regardless of dose. These results suggest dexamethasone can be administered to reduce POUR in males undergoing LIHR.
BACKGROUND:Postoperative urinary retention (POUR) is a complication of laparoscopic inguinal hernia repair (LIHR). Previous research has identified predictive factors of POUR, such as age and history of benign prostatic hyperplasia (BPH). There is currently limited work on preventative measures. We hypothesize dexamethasone, a steroid, reduces POUR rates following LIHR due to its mechanism. METHODS: Consecutive patients (n = 979) undergoing LIHR from 2009 to 2017 at a single institution were selected from a prospectively managed database. All procedures were performed by four general surgeons. Only male patients were selected, as the majority of POUR occurs in males. Patients were retroactively chart reviewed and divided into two groups, dexamethasone use (n = 623) and no dexamethasone use (n = 356). Perioperative factors were compared between groups with Chi-square and independent samples t tests. Univariable and multivariable logistic regression analysis was used to assess whether dexamethasone use was associated with POUR. A subgroup analysis was performed on the dexamethasone group to determine any dose-dependent effects. RESULTS: We found a significant difference in POUR between the dexamethasone group and no dexamethasone group (3.7% vs. 9.8%, p = 0.0001). Patients in the dexamethasone group had a shorter length of stay, and were less likely to have BPH or a Foley placed (all p < 0.05). Age and BMI were similar between groups. Multivariable analysis showed that the use of dexamethasone was associated with a reduced risk of POUR (OR 0.52, 95% CI 0.2-0.97, p = 0.0386), while controlling for factors such as age and BPH. A subgroup analysis examined the effect of dexamethasone per unit (mg) increase. There was no significant association between dexamethasone dose and POUR rates (OR 1.07, 95% CI 0.82-1.38, p = 0.6241). CONCLUSIONS:Patients who received dexamethasone showed a lower rate of POUR regardless of dose. These results suggest dexamethasone can be administered to reduce POUR in males undergoing LIHR.
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