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Postoperative changes in body composition after gastrectomy.

Teruo Kiyama1, Takashi Mizutani, Takeshi Okuda

  • 1Department of Surgery I, Nippon Medical School, Tokyo 113-8603, Japan. kiyama@nms.ac.jp

Journal of Gastrointestinal Surgery : Official Journal of the Society for Surgery of the Alimentary Tract
|March 8, 2005
PubMed
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Gastrectomy surgery impacts body composition, causing protein loss initially. Total gastrectomy leads to significant long-term weight and fat mass loss compared to other procedures.

Area of Science:

  • Surgical Oncology
  • Nutritional Science
  • Body Composition Analysis

Background:

  • Nutritional status is a critical determinant of patient outcomes following gastrectomy.
  • Understanding post-gastrectomy body composition changes is vital for patient management.

Purpose of the Study:

  • To compare body composition changes in patients undergoing different types of gastrectomy: laparoscopy-assisted gastrectomy (LAG), distal gastrectomy (DG), and total gastrectomy (TG).

Main Methods:

  • Multifrequency bioelectrical impedance analysis (BIA) was used to measure total body protein and fat mass in 108 patients.
  • Body composition was assessed preoperatively, 14 days postoperatively, and 6 months postoperatively.

Main Results:

  • Immediate postoperative weight loss was significantly lower in the LAG group compared to DG and TG groups.

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  • Early postoperative changes indicated a loss of total body protein rather than fat mass across all groups.
  • Six months post-surgery, only the TG group showed a significant decrease in body weight, with DG and TG groups experiencing fat mass loss.

    • Conclusions:

    • The type and extent of gastrectomy significantly influence long-term body mass and composition.
    • Bioelectrical impedance analysis is a valuable tool for assessing body composition and nutritional status in post-gastrectomy patients.