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Year : 2022  |  Volume : 18  |  Issue : 2  |  Page : 260-263

Effect of pre-operative weight loss on patients' outcomes undergoing laparoscopic sleeve gastrectomy

1 Türkçapar Bariatrics, Obesity Center; Department of Health Sciences, Nişantaşı University, Istanbul, Turkey
2 Türkçapar Bariatrics, Obesity Center, Istanbul, Turkey

Correspondence Address:
Dr. Ozan Sen
Türkçapar Bariatrics, Obesity Center, Dikilitaş Mah. Ayazmadere Cad, Yeşil Çimen Sok No: 9, Beşiktaş 34394, Istanbul, Turkey; Maslak Mah, Söğütözü Sok, No. 20, Maslak 1453, Sarıyer 34398, Istanbul
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jmas.JMAS_297_20

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Background: The study aims to demonstrate whether weight loss with a low-calorie diet before laparoscopic sleeve gastrectomy (LSG) may affect the outcomes. Materials and Methods: A total of 305 patients undergoing primary LSG were included in the study. Each patient adopted a low-calorie diet (1000 calories) before LSG. The patients were stratified into two groups. Group A: Those who lost 3% or more of their total body weight loss (TBWL), Group B: Those who lost <3% of their TBWL. Two groups were compared in terms of operative time, length of hospital stay, complications and weight loss outcomes. Results: One hundred and five patients (35%) were in Group A and 200 patients were in Group B. Median weight loss was 4 kg (3–20 kg). Pre-operative mean body mass index (BMI) was 40 ± 7.4 kg/m2 in Group A and 41 ± 5.9 kg/m2 in Group B (P = 0.06). At 1 year after the surgery, BMI regressed to 29.7 ± 4.9 kg/m2 in Group A and to 27 ± 4.2 kg/m2 in Group B (P < 0.001). One hundred and twenty-nine patients who completed 2 years of follow-up, mean BMI regressed to 29.4 ± 4.1 kg/m2 in Group A (n = 46) and to 27.2 ± 4.5 kg/m2 in Group B (n = 83) (P < 0.001). In Group B, one patient experienced post-operative bleeding. No other complications were observed in the study. There was no significant difference between the groups in terms of operative time (P = 0.53) and length of hospital stay (P = 0.9). Conclusion: Weight loss before LSG does not improve post-operative weight loss.


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