Geometry of Sleeve Gastrectomy Measured by 3D CT Versus Weight Loss: Preliminary Analysis
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ORIGINAL SCIENTIFIC REPORT
Geometry of Sleeve Gastrectomy Measured by 3D CT Versus Weight Loss: Preliminary Analysis Tsuyoshi Yamaguchi1 • Hiroshi Yamamoto2 • Yuki Tomozawa3 • Satoshi Ugi4 • Sachiko Kaida1 Toru Miyake1 • Katsutaro Morino4 • Yoshiyuki Watanabe3 • Hiroshi Maegawa4 • Masaji Tani1
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Accepted: 18 September 2020 Ó Socie´te´ Internationale de Chirurgie 2020
Abstract Background The size of the remnant stomach with respect to weight loss failure after laparoscopic sleeve gastrectomy (LSG) remains controversial. This study aimed to evaluate the impact of the actual size and volume of the remnant stomach, as measured by three-dimensional computed tomography (3D-CT) volumetry, on weight loss after LSG. Methods The clinical outcomes of 52 patients who underwent LSG between October 2008 and February 2019 were assessed. Weight metrics were recorded at 1, 3, and 6 months and 1 year postoperatively. 3D-CT volumetry was performed 1 year postoperatively, and the total remnant stomach volume (TSV), proximal stomach volume (PSV), antral stomach volume (ASV), and the distance between the pylorus and the distal edge of staple line (DPS) were measured. The relationship between the weight metrics and aforementioned factors was analyzed. Results Of the 52 patients who underwent LSG, 40 patients participated in this study. The average body mass index preoperatively was 38.3 ± 5.1 kg/m2, and the average percentage of total weight loss (%TWL) 1 year after LSG was 26.6 ± 9.3%. The average TSV, PSV, ASV, and DPS were 123.2 ± 60.3 ml, 73.4 ± 37.2 ml, 49.8 ± 30.3 ml, and 59.9 ± 18.5 mm, respectively. The DPS (r = - 0.394, p = 0.012) and ASV (r = - 0.356, p = 0.024) were correlated with %TWL 1 year postoperatively. Conclusions The actual DPS and ASV measured by 3D-CT affected weight loss after LSG. 3D-CT may be useful for the immediate identification of factors affecting insufficient weight loss in patients; this may, in turn, aid in the implementation of early intervention treatments.
& Tsuyoshi Yamaguchi [email protected]
Yoshiyuki Watanabe [email protected]
Hiroshi Yamamoto [email protected]
Hiroshi Maegawa [email protected]
Yuki Tomozawa [email protected]
Masaji Tani [email protected]
Satoshi Ugi [email protected]
1
Department of Surgery, Shiga University of Medical Science, Tsukinowa-cho, Seta, Otsu, Shiga 520-2192, Japan
Sachiko Kaida [email protected]
2
Department of Surgery, Kohnan Hospital, 958, Katsuragi, Konan-cho, Koka, Shiga 520-3321, Japan
Toru Miyake [email protected]
3
Department of Radiology, Shiga University of Medical Science, Tsukinowa-cho, Seta, Otsu, Shiga 520-2192, Japan
Katsutaro Morino [email protected]
4
Department of Medicine, Shiga University of Medical Science, Tsukinowa-cho, Seta, Otsu, Shiga 520-2192, Japan
123
World J Surg
Introduction Laparoscopic sleeve gastrectomy (LSG) has become the most popular bariatric/metabolic surgical procedure worldwide [1]. The average pe
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