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Related Experiment Videos

Nutritional Status Deteriorates Postoperatively Despite Preoperative Nutritional Support.

Fabian Grass1, Michael Benoit, Pauline Coti Bertrand

  • 1Department of Visceral Surgery, University Hospital CHUV, Lausanne, Switzerland.

Annals of Nutrition & Metabolism
|June 28, 2016
PubMed
Summary

Postoperative nutritional status declines, with nearly half of patients experiencing significant weight loss. Low preoperative lean body mass and mid upper-arm muscle circumference are key risk factors for this decline.

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Area of Science:

  • Clinical Nutrition
  • Surgical Outcomes
  • Patient Monitoring

Background:

  • Assessing postoperative nutritional status evolution is crucial.
  • Understanding the link between nutritional status and patient outcomes is important.

Purpose of the Study:

  • To evaluate changes in nutritional status after surgery.
  • To identify risk factors for perioperative weight loss.
  • To correlate nutritional status changes with postoperative complications.

Main Methods:

  • 146 patients were assessed 10 days preoperatively and 30 days postoperatively.
  • Demographic, surgical, and nutritional parameters were collected.
  • Weight loss, complications (overall and severe), and risk factors were analyzed.

Main Results:

  • Nutritional status significantly worsened postoperatively, with decreased weight, BMI, and mid upper-arm muscle circumference (MAMC).
  • 46% of patients experienced >5% body weight loss perioperatively.
  • Patients with overall and major postoperative complications had a higher risk of nutritional deterioration.
  • Low preoperative lean body mass and MAMC were independent risk factors for weight loss.

Conclusions:

  • Postoperative nutritional status requires ongoing monitoring beyond initial hospitalization.
  • Early identification of at-risk patients can guide nutritional interventions.