Comparison of Estimated Weight Loss in Sleeve Gastrectomy and Roux-en-Y Gastric Bypass

Mehmet Mihmanli, Prof, Riza Gurhan Isil, PhD, Ufuk Oguz Idiz, PhD, Uygar Demir, PhD, Cemal Kaya, PhD, Canan Tulay Isil, PhD, Pinar Sayin, PhD, Yuksel Altuntas, Prof. Hamidiye Sisli Etfal E.A.H.

Objectives: Estimated weight loose (EWL) is an important parameter in bariatric surgery indicating the postoperative success in weight loss. We aimed to compare the EWL in sleeve gastrectomy and roux-en-y gastric by-pass.

Materials and Methods: During  a one-year period (2013) data of patients who underwent bariatric surgery in our clinic were recorded prospectively including demographical data, operation type, preoperative Body Mass Index (BMI) and postoperative 1st-3rd-6th and 12th month BMI. The patients were analyzed in two groups; GroupS(n=30): patients who underwent sleeve gastrectomy and GroupR(n=30): patients who underwent Roux-En-Y Gastric  By-Pass.

Results: There was no statistically significant difference regarding the patients’ demographics and perioperative complication rates. Body Mass Index(BMI) was 51,3+/-8,5 in GroupS and 56,1+/-7,3 (p=0.024).

Conclusion: Albeit Roux-En-Y Gastric By-Pass is a more invasive procedure compared to sleeve gastrectomy and has its own handicaps related to the operational procedure, this study indicated that Roux-En-Y Gastric By-Pass is more successfull in EWL compared to sleeve gastrectomy. However, sleeve gastrectomy is a more simple procedure compared to Roux-En-Y Gastric By-Pass and with mean 80,9% EWL sleeve gastrectomy can be choosen alternatively to Roux-En-Y Gastric By-Pass, which has a 89,2% EWL.

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