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- Title
Effects of postoperative oral elemental nutritional supplement on skeletal muscle loss after gastrectomy for gastric cancer.
- Authors
Nishikawa, Kazuhiro; Kimura, Yutaka; Kishi, Kentaro; Inoue, Kentaro; Matsuyama, Jin; Akamaru, Yusuke; Tamura, Shigeyuki; Kawada, Junji; Kawase, Tomono; Kawabata, Ryohei; Fujiwara, Yoshiyuki; Kanno, Hitoshi; Yamada, Takeshi; Shimokawa, Toshio; Imamura, Hiroshi
- Abstract
Background: We previously showed that daily nutritional intervention with an oral elemental diet (ED) at 300 kcal/day for 6–8 weeks postoperatively decreased the percentage of body weight loss (%BWL), and that the effect was maintained for 1 year. This post hoc analysis aimed to determine whether this intervention decreased skeletal muscle mass loss 1-year post-gastrectomy. Methods: Data from consecutive, untreated patients with histopathologically confirmed stage I–III gastric adenocarcinoma who planned to undergo total gastrectomy (TG) or distal gastrectomy (DG) and were enrolled in a previously published randomized trial were used. The primary endpoint was the percentage of skeletal muscle mass index (%SMI) loss from baseline at 1 year postoperatively, based on abdominal computed tomography images obtained preoperatively and at 1 year postoperatively. Results: The overall median %SMI loss was lower in the ED versus control group, but the difference was not significant. The difference in %SMI loss in the ED and control groups was greater in patients with TG (10.1 vs. 13.0; P = 0.12) than in those with DG (5.5 vs. 6.8; P = 0.69). A correlation was observed between %BWL and %SMI loss in both groups (ED group, coefficient 0.591; control group, coefficient 0.644; P < 0.001 for both). Type of gastrectomy (coefficient 7.38; P = 0.001) and disease stage (coefficient − 6.43; P = 0.04) were independent predictors of postoperative skeletal muscle mass loss. Conclusion: ED administration for 6–8 weeks following gastrectomy had no inhibitory effect on skeletal muscle loss at 1 year postoperatively. Clinical Trial Registration: UMIN000023455.
- Publication
International Journal of Clinical Oncology, 2024, Vol 29, Issue 3, p266
- ISSN
1341-9625
- Publication type
Article
- DOI
10.1007/s10147-023-02462-3