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- Title
Effect of Oral Nutritional Supplements Composed of High Protein on Body Weight Loss After Gastrectomy.
- Authors
SATORU KIKUCHI; NOBUO TAKATA; YOSHIHIKO KAKIUCHI; SHINJI KURODA; HAJIME KASHIMA; SHUNSUKE TANABE; KAZUHIRO NOMA; AYAKO TAKAHASHI; SHUNSUKE KAGAWA; TOSHIYOSHI FUJIWARA
- Abstract
Background/Aim: Body weight loss (BWL) after gastrectomy for gastric cancer (GC) decreases postoperative quality of life and survival in patients with GC. This study aimed to evaluate the effect of oral nutritional supplements composed of high protein on BWL in the early period following gastrectomy. Patients and Methods: Pre- and postoperative body weight and skeletal muscle mass were measured using bioelectrical impedance analysis in patients undergoing radical gastrectomy for GC and analyzed retrospectively. Patients received either a regular diet (control group, n=43) or 250 ml (320 kcal) per day of a high-protein oral nutritional supplement (ONS) (22 g protein) in addition to their regular diet (ONS group, n=40) for four weeks after gastrectomy. The actual daily intake of ONS was recorded by patients themselves. The BWL and skeletal muscle loss (SML) at one month after surgery were compared between the two groups. Results: BWL and SML at one month after surgery were similar between the two groups. In the ONS group, patients were divided into two subgroups (ONS-H and ONSL) according to whether their ONS intake amount was above or below the average value of 216 kcal. The ONS-H group (ONS intake =216 kcal) showed significantly lower BWL compared to the control group (-4.6±2.6% vs. -6.2±2.5%; p=0.03). Moreover, the ONS group showed significantly lower BWL at one month after surgery than the control group in cases of total or proximal gastrectomy (-5.9±3.0% vs. -7.8±1.9%; p=0.04), although no significant difference was observed between the two groups in distal gastrectomy. The hematological nutritional parameters were similar between the two groups. Conclusion: The administration of ONS composed of high protein for four weeks after gastrectomy did not improve BWL at one month after gastrectomy. However, adequate amount of ONS intake and ONS intake after total or proximal gastrectomy might improve BWL.
- Subjects
DIETARY supplements; GASTRECTOMY; WEIGHT loss; BIOELECTRIC impedance; BODY weight
- Publication
In Vivo, 2025, Vol 39, Issue 1, p426
- ISSN
0258-851X
- Publication type
Academic Journal
- DOI
10.21873/invivo.13845