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  • Title: The effect of residual gastric antrum size on the outcome of laparoscopic sleeve gastrectomy: a prospective randomized trial.
    Author: ElGeidie A, ElHemaly M, Hamdy E, El Sorogy M, AbdelGawad M, GadElHak N.
    Journal: Surg Obes Relat Dis; 2015; 11(5):997-1003. PubMed ID: 25638594.
    Abstract:
    BACKGROUND: Laparoscopic sleeve gastrectomy (LSG) is gaining popularity worldwide as a definitive bariatric procedure. However, there are still some controversial issues associated with the technique, one of which is the size of the residual antrum. OBJECTIVES: The aim of this prospective randomized trial is to study the effect of the size of the residual gastric antrum on the outcome of LSG. SETTINGS: University-affiliated hospital. METHODS: Between November 2009 and August 2013, 113 morbidly obese patients submitted for LSG were randomized into 2 groups, namely antral preserving-LSG (AP-LSG) and antral resecting-LSG (AR-LSG), depending on the distance from the pylorus at which gastric division begins. In the AP-LSG group, the distance was 6 cm from the pylorus and included 58 patients, whereas the distance was 2 cm in the AR-LSG group and included 55 patients. The follow-up period was at least 12 months. Baseline and 6 and 12 month outcomes were analyzed including assessments of the percent excess weight lost (%EWL), reduction in BMI, morbidity, mortality, reoperations, quality of life, and co-morbidities. RESULTS: Both groups were comparable regarding age, gender, body mass index (BMI), and co-morbidities. There was one 30-day mortality, and there was no significant difference in the complication rate or early reoperations between the 2 groups. Weight loss was significant in both groups at 6 and 12 months. At 12 months, weight loss was greater in the AR-LSG than in the AP-LSG group, but with was no significant difference between the 2 groups at 12 months (%EWL was 64.2% in the AP-LSG group and 67.6% in the AR-LSG group; p>.05). The resolution/improvement of co-morbidities, quality of life outcome and the overall prevalence of co-morbidities were similar. CONCLUSIONS: LSG with or without antral preservation produces significant weight loss after surgery. The 2 procedures are equally effective regarding %EWL, morbidity, quality of life, and amelioration of co-morbidities.
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