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Mohamed AbdAlla Salman,1 Mostafa Elshazli,1 Mohamed Shaaban,2 Mohamed Moustafa Esmat,3 Ahmed Salman,4 Heba Mahmoud Mohamed Ibrahim,4 Mohamed Tourky,5 Alaa Helal,5 Ahmed Abdelrahman Mahmoud,5 Feras Aljarad,6 Amr M Ismaeel Saadawy,7 Hossam El-Din Shaaban,8 Doaa Mansour1 1General Surgery Department, Kasr Al Ainy School of Medicine, Cairo University, Cairo, Egypt; 2Damietta General Hospital, General Surgery Department, Damietta, Egypt; 3Radiology Department, Kasr Al Ainy Faculty of Medicine, Cairo University, Cairo, Egypt; 4Internal Medicine Department, Kasr Al AinyFaculty of Medicine, Cairo University, Cairo, Egypt; 5General Surgery Department, Great Western Hospital, NHS Foundation Trust, Swindon, UK; 6General Surgery Department, Lewisham and Greenwich NHS Trust, London, UK; 7Radiology Department, Faculty of Medicine, Ain Shams University, Cairo, Egypt; 8Gastroenterology and Hepatology Department, National Hepatology and Tropical Medicine Research Institute, Cairo, EgyptCorrespondence: Mohamed AbdAlla SalmanGeneral Surgery Department, Associate Professor of General Surgery, Kasr Al Ainy School of Medicine, Cairo University, Cairo, EgyptTel +00201096263434Email Mohammed.salman@kasralainy.edu.egPurpose: Long-term studies reported inadequate weight loss or weight regain after laparoscopic sleeve gastrectomy (LSG). This study investigated a possible relationship between preoperative gastric volume (GV) measured by CT volumetry and weight loss one year after LSG.Methods: This prospective study included 120 patients scheduled for LSG. 3D CT gastric volumetry was done before surgery. The weight loss in the first year was serially recorded. The primary outcome measure was the correlation between preoperative GV and postoperative weight loss after one year. The secondary outcomes were the correlation between preoperative GV and other patients’ characteristics as age and body mass index (BMI).Results: Weight and BMI decreased significantly up to 12 months. The percentage of excess weight loss (%EWL) at 6 and 12 months was significantly higher than at three months. Preoperative GV was 1021 ± 253, ranging from 397 to 1543 mL. GV was not related to sex, age, weight, height, postoperative weight, and BMI.Conclusion: Preoperative gastric volume cannot predict weight loss one year after LSG. It is not correlated with age, sex, or preoperative weight, and BMI.Keywords: correlation, gastric volume, weight loss, sleeve |
