• Amin Andalib, Ali Aminian, Zhamak Khorgami, Mohammad H Jamal, Toms Augustin, Philip R Schauer, and Stacy A Brethauer.
• Bariatric and Metabolic Institute, Cleveland Clinic, Cleveland, OH, USA.
• Obes Surg. 2016 Jul 1; 26 (7): 1479-86.

BackgroundPrevious research suggests that patients on chronic steroids may be at an increased risk of postoperative morbidity after major surgery. We aimed to evaluate the prognostic impact of chronic use of steroid or immunosuppression on 30-day morbidity and mortality rates after primary bariatric surgery.MethodsFrom American College of Surgeons-National Surgical Quality Improvement Program (ACS-NSQIP) database, we identified patients who underwent primary bariatric surgery between 2005 and 2013. Logistic regression was used to determine the prognostic impact of chronic use of steroid or immunosuppression on the 30-day postoperative outcomes.ResultsOne thousand two hundred seventy seven steroid/immunosuppressant-dependent (SD) and 112,892 non-dependent (ND) patients were analyzed. SD patients had a higher baseline risk profile compared to ND patients. Thirty-day mortality rates for SD and ND patients were 0.55 and 0.11 %, respectively (P < 0.001) which corresponds to an adjusted odds ration (OR) of 6.85 (95 % confidence interval (CI) 1.95-24.12). SD patients had a higher 30-day major morbidity compared to ND patients (5.01 versus 2.54 %; P < 0.001, respectively). After adjustment, this translated into an OR of 2.21 (95 % CI 1.29-3.79). Among SD patients, there was no significant difference in 30-day major morbidity after gastric bypass compared to sleeve gastrectomy (OR = 0.36; 95 % CI 0.08-1.66).ConclusionsChronic and active use of steroid or immunosuppressant medications is a strong predictor of 30-day postoperative morbidity and mortality following primary bariatric surgery. Among the steroid/immunosuppressant users, complication rates were similar for gastric bypass and sleeve gastrectomy patients. Further studies are needed to help guide the management or discontinuation of such medications in the perioperative period.

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