Residual Gastric Volume Relationship and Weight Loss After Laparoscopic Sleeve Gastrectomy
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ORIGINAL CONTRIBUTIONS
Residual Gastric Volume Relationship and Weight Loss After Laparoscopic Sleeve Gastrectomy Sami Doğan 1 & Attila Önmez 2
&
Mehmet Fuat Çetin 1 & İsmet Özaydın 1 & Mevlüt Pehlivan 1
# Springer Science+Business Media, LLC, part of Springer Nature 2020
Abstract Background Laparoscopic sleeve gastrectomy (LSG) has become a popular procedure for treating obesity. Excessive residual gastric volume (RGV) may be one cause of insufficient weight loss following this surgery. The purpose of this study was to investigate the relationship between weight loss and the RGV measured during surgery over a 2-year follow-up period. Methods All patients undergoing LSG at our university surgery department were included in this prospective observational study. During the operation, the pylorus was grasped with a laparoscopic clamp, and saline solution dyed with methylene blue was introduced using an intraluminal glass-tipped injector when the residual stomach became fully visible. The amount of fluid given when the remaining gastric tissue ceased expanding was noted. The patients were divided into three groups depending on the volume of the residual gastric tissue. Percentages of excess weight loss (EWL%) were also evaluated 6, 12, and 24 months after the LSG. Results Sixty-two patients (50 females and 12 males) with a mean age of 36 (17–56) years were included in the study. There was no significant difference between the preoperative and postoperative body mass index values (p = 0.407 and p = 0.337, respectively) or between the preoperative and postoperative weight (p = 0.081 and p = 0.517, respectively) among the groups. A comparison of the participants’ weight losses and EWL% values after 6, 12, and 24 months of follow-up revealed no significant difference among the groups at any time point (p > 0.005). Conclusion Greater weight loss was observed as the RGV decreased over the 24-month follow-up period. However, that weight loss was not statistically significant. Keywords Laparoscopic sleeve gastrectomy . Residual gastric volume . Obesity . Weight loss . Bariatric surgery
Introduction * Attila Önmez [email protected] Sami Doğan [email protected] Mehmet Fuat Çetin [email protected] İsmet Özaydın [email protected] Mevlüt Pehlivan [email protected] 1
Department of General Surgery, Duzce University, Medical Faculty, Duzce, Turkey
2
Department of Internal Medicine, Duzce University, Medical Faculty, Duzce, Turkey
Obesity is a multifactorial disease involving genetic, social, cultural, and psychological components. This condition is a growing public health problem; its complex nature requires multidisciplinary interventions to guarantee the effectiveness of treatment. Any surgical procedure is more effective than non-surgical approaches at reducing obesity-related comorbid conditions [1], and bariatric surgery is currently considered the best treatment option for morbid obesity [2]. Laparoscopic sleeve gastrectomy (LSG) has increased in popularity and is frequently recommended by laparoscopic surge
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