Robotic and laparoscopic Roux-en-Y gastric bypass after learning curve: 30-day and 12-month outcomes

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Abstract

This study compares laparoscopic RYGB (L-RYGB) and robotic RYGB (R-RYGB) performed by the same team after the learning curve in both approaches. A retrospective cohort study was done, and the surgical outcome was analyzed in 30 days and 12 months for patients with similar characteristics and an equal number of cases in each group (233 cases). Four hundred and sixty-six patients were included in this study. Mean age was 46.8 ± 8.3 years and 2/3 were women. R-RYGB presented a longer operative time (150.7 versus 135.4 min; p < 0.001) with no differences in the length of hospital stay. The main 30-day complications were G-J stricture, leakage, and intraluminal bleeding. The reoperation rate was 1.6% by leakage (G-J anastomosis) and was higher in R-RYGB (2.1 versus 0.4; p = 0.108). The multivariate analysis identified that L-RYGB was the factor independently associated with a LOS longer than 2 days (odds ratio: 4.7, 95% CI: 2.6–8.2, p value < 0.001). At the FU time (12 months), no differences between the groups were found. The outcomes between the groups after the learning curve did not present differences in terms of 30 days and 12 months of FU when same preoperative characteristics and an equal number of cases in each group are considered. L-RYGB was the unique independent factor associated with long LOS.

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Roriz-Silva, R., Vilallonga, R., Fort, J. M., Khoraki, J., de Gordejuela, A. G. R., Gonzalez, O., … Armengol, M. (2022). Robotic and laparoscopic Roux-en-Y gastric bypass after learning curve: 30-day and 12-month outcomes. Journal of Robotic Surgery. Springer Science and Business Media Deutschland GmbH. https://doi.org/10.1007/s11701-022-01384-y

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