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The use of one anastomosis gastric bypass (OAGB) has increased in recent years. However, the efficacy and safety outcomes of this procedure remain under debate. Here, we compare our early outcome and mid-term safety of OAGB with primary Roux-en-Y gastric bypass (RYGB).This was a retrospective study using computerized electronic medical records data of patients who underwent RYGB or OAGB as a primary procedure from February 2012 to February 2019 in our bariatric center. Data collected included demographics, weight-outcomes, adverse events, hospital readmission, reoperation rates, and mortality following both procedures.A total of 314 patients were included (132 RYGB and 182 OAGB). Operative time and costs were significantly lower for OAGB (80 vs. 125 min, p0.01 and 2018.8 vs. 2912.3 USD, p0.01, respectively), but length of hospital stay was longer (4.06 ± 0.67 days vs. 3.58 ± 0.79, p0.0001). At 12 months post-surgery, the percentage of excess body mass index loss was comparable between the two groups, but the change in body mass index (BMI) was significantly higher in the OAGB group. Early (30 days) and late (30 days) surgical adverse events were also similar between the two groups.Comparable short- and mid-term outcomes and adverse events are found for primary OAGB and RYGB. OAGB is not inferior to RYGB as a primary bariatric procedure for the treatment of obesity. |
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