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Comparative Study
. 2018 Jul;32(7):3024-3031.
doi: 10.1007/s00464-017-6011-1. Epub 2018 Jan 8.

15-year experience of laparoscopic single anastomosis (mini-)gastric bypass: comparison with other bariatric procedures

Nawaf Alkhalifah  1   2 , Wei-Jei Lee  3 , Tan Chun Hai  1   4 , Kong-Han Ser  1 , Jung-Chien Chen  1 , Chun-Chi Wu  1
Affiliations
Comparative Study

15-year experience of laparoscopic single anastomosis (mini-)gastric bypass: comparison with other bariatric procedures

Nawaf Alkhalifah et al. Surg Endosc. 2018 Jul.

Abstract

Background: Laparoscopic single anastomosis (mini-)gastric bypass (LSAGB) has been validated as a safe and effective treatment for morbid obesity. However, data of the long-term outcome remain lacking.

Methods: Between October 2001 and December 2015, 1731 morbidly obese patients who received LSAGB as primary bariatric procedure at the Min-Sheng General Hospital were recruited. Surgical outcome, weight loss, resolution of comorbidities, and late complications were followed, then compared with groups of laparoscopic Roux-en-Y gastric bypass (LRYGB) and laparoscopic sleeve gastrectomy (LSG). All data derived from a prospective bariatric database and a retrospective analysis were conducted.

Results: The average patient age was 33.8 ± 10.4 years with a mean body mass index (BMI) of 40.4 ± 7.7 kg/m2. Of them, 70.0% were female while 30.0% were male. Mean operating time, intraoperative blood, and hospital stay of LSAGB were 124.6 ± 38.8 min, 39.5 ± 38.7 ml, and 5.0 ± 4.1 days, respectively. The 30-day post-operative major complication occurred in 30 (1.7%) of LSAGB patients, 16 (2.0%) of LRYGB, and 15 (1.4%) of LSG patients. The follow-up rates at 1, 5, and 10 years were 89.3, 52.1, and 43.6%, respectively. At postoperative 1, 5, and 10 years, the mean percentage of weight loss (%WL) of LSAGB patients were 32.7, 32.2, and 29.1%, and mean BMI became 27, 26.9, and 27 kg/m2, respectively. The LSAGB had a higher weight loss than LRYGB and LSG at 2-6 years after surgery. LSG had a lower remission rate in dyslipidemia comparing to LSAGB and LRYGB. The overall revision rate of LSAGB is 4.0% (70/1731) which was lower than the 5.1% in LRYGB and 5.2% in the LSG.

Conclusion: LSAGB is an effective procedure for treating morbid obesity and metabolic disorders, which results in sustained weight loss and a high resolution of comorbidities.

Keywords: Bariatric surgery; Comorbidities; Complications; Long term; Single anastomosis gastric bypass; Weight loss.

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