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Year : 2020  |  Volume : 8  |  Issue : 1  |  Page : 39-43

Volume of resected stomach after laparoscopic sleeve gastrectomy and its correlation with initial body mass index and weight loss

1 Department of Surgery, Poona Hospital and Research Centre, Pune, Maharashtra, India
2 Department of Research, Poona Hospital and Research Centre, Pune, Maharashtra, India
3 Department of Laparoscopic Surgery, Poona Hospital and Research Centre, Pune, Maharashtra, India

Correspondence Address:
Dr. Deepak Phalgune
18/27, Bharatkunj - 1, Erandawane, Pune - 411 038, Maharashtra
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ssj.ssj_26_20

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Background: The relation between the resected stomach volume (RSV) and the weight loss after laparoscopic sleeve gastrectomy (LSG) appears conflicting in the literature. The aim of the present research was to find the correlation of RSV after LSG, the percentage of excess weight loss (%EWL) at 6-month and 1-year follow-up, and the initial body mass index (BMI). Materials and Methods: Sixty patients aged between 18 and 60 years who underwent LSG were included. Preoperatively, the baseline data of patients such as BMI and presence of Type 2 diabetes mellitus were noted. LSG was performed under general anesthesia. The resected stomach was punctured with Veress needle and insufflated with CO2. The maximum volume was recorded as RSV. The sleeve volume was measured by the amount of methylene blue used to distend the stomach during the leak test. %EWL was calculated at 6 months and 12 months. The primary outcome measures were to find the correlation of RSV with %EWL and BMI, whereas the secondary outcome measure was to find the correlation of vertical length of staple line with %EWL. Comparison of categorical and continuous variables was done using Chi-square test/Fisher's exact test and unpaired t-test, respectively. Correlation analysis was done using Pearson's correlation technique. Results: The RSV positively correlated with initial BMI (r = 0.456). There was no significant correlation of RSV, sleeve volume, and vertical length of staple line with %EWL at 6-month and 12-month postoperative intervals. Conclusion: RSV positively correlated with baseline BMI, but not correlated with %EWL.

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