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Increased glomerular permeability and pulmonary dysfunction following major surgery: correlation of microalbuminuria

T Szakmány1, Z Molnár

  • 1Department of Anaesthesia and Intensive Care, Faculty of General Medicine, University of Pécs, Hungary. szakmany@hotmail.com

Acta Anaesthesiologica Scandinavica
|June 16, 2004
PubMed
Abstract

Insights

Microalbuminuria (M:Cr) levels were higher in non-survivors after major surgery, but did not reliably predict outcomes. Further research is needed to assess its prognostic value for respiratory failure risk.

Area of Science:

  • Surgical Oncology
  • Critical Care Medicine
  • Nephrology

Background:

  • Assessing microalbuminuria (M:Cr) as an outcome predictor post-major abdominal surgery.
  • Investigating the link between M:Cr and postoperative respiratory dysfunction.

Purpose of the Study:

  • To evaluate microalbuminuria's ability to indicate patient outcomes.
  • To explore the relationship between M:Cr and respiratory dysfunction in high-risk surgical patients.

Main Methods:

  • Prospective observational study of 140 patients undergoing elective major abdominal surgery.
  • Measurement of microalbuminuria (urine albumin:creatinine ratio, M:Cr) preoperatively and up to 72 hours post-surgery.
  • Monitoring of Multiple Organ Dysfunction Scores and PaO2/FiO2 ratio.

Main Results:

  • Non-survivors had significantly higher Multiple Organ Dysfunction Scores.
  • M:Cr increased significantly on ICU admission but normalized within 6 hours.
  • M:Cr was higher in non-survivors at ICU admission but did not reliably predict outcomes via ROC analysis.

Conclusions:

  • M:Cr on ICU admission was higher in non-survivors and inversely related to PaO2/FiO2 ratio.
  • M:Cr did not discriminate between survivors and non-survivors at ICU admission.
  • Further studies are needed to determine M:Cr's prognostic value for postoperative respiratory failure.

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