Key result
Major abdominal surgery induced an average weight loss of 3000 grams at 2 weeks, with body composition and muscle function returning to normal by 6 months and 90 days, respectively.
Why the study?
What are the metabolic and functional changes in patients undergoing major abdominal surgery?
Population
130 patients undergoing major abdominal surgery (46 in study 1, 84 in study 2)
Design
Cohort
Follow-up
up to 1 year
Authors
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Transient weight loss and dysfunction normalize by 3-6 months after major abdominal surgery; leaves open whether targeted interventions accelerate recovery.
Cohort (n=130)
What are the metabolic and functional changes in patients undergoing major abdominal surgery?
Major abdominal surgery induces significant but transient changes in body composition and muscle function, which typically normalize within 3 to 6 months.
Hill et al. (1993) conducted a cohort in Major abdominal surgery (n=130). Major abdominal surgery vs. Preoperative baseline was evaluated on Changes in body composition, physiologic function, and psychological function. Major abdominal surgery induced an average weight loss of 3000 grams at 2 weeks, with body composition and muscle function returning to normal by 6 months and 90 days, respectively.
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