Surgical Effects of Obesity on Laparoscopy-assisted Distal Gastrectomy

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PurposeTo compare the effects of obesity on laparoscopy-assisted distal gastrectomy (LADG) and open distal gastrectomy (ODG).MethodsA retrospective study was conducted on 249 patients, who underwent LADG and 224 patients who underwent ODG.ResultsThe regression coefficient of the primary regression equation between operative time and body mass index (BMI) for LADG was greater than ODG; and between blood loss and BMI for LADG was almost the same as ODG. In overweight patients (BMI ≥25), no significant difference was seen between LADG and ODG regarding postoperative complications, and the benefits of the less-invasive nature of LADG were also seen in some parameters.ConclusionObesity-associated difficulties are more while performing LADG than during ODG; however, the influence of obesity on LADG decreases with surgical experience. Moreover, even in overweight patients, the benefits of the less-invasive nature of LADG still remain, but the degree of the benefits is smaller than that in nonobese patients.

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