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Effect of body mass index on early clinical outcomes after cardiac surgery

Amr Allama1, Islam Ibrahim2, Ayat Abdallah3

  • 1Department of Cardiothoracic Surgery, Faculty of Medicine, Menoufia University, Egypt Department of Cardiothoracic Surgery, Faculty of Medicine, Taibah University, Kingdom of Saudi Arabia amrallama2005@yahoo.com.

Asian Cardiovascular & Thoracic Annals
|June 3, 2014
PubMed

Insights

Body mass index (BMI) does not impact early clinical outcomes after cardiac surgery. However, overweight and obese patients face a higher risk of wound complications, underscoring the need for targeted preventive strategies.

Area of Science:

  • Cardiology
  • Surgical Outcomes
  • Public Health

Background:

  • Conflicting reports exist on the relationship between body mass index (BMI) and cardiac surgery outcomes.
  • Some studies suggest obesity increases morbidity and mortality, while others find no significant impact.

Purpose of the Study:

  • To investigate the association between body mass index (BMI) and early clinical outcomes in adult patients undergoing cardiac surgery.
  • To compare preoperative, operative, and postoperative characteristics across different BMI categories.

Main Methods:

  • Retrospective analysis of 3370 adult patients undergoing cardiac surgery.
  • Patients categorized into four groups based on body mass index (BMI).
  • Comparison of clinical outcomes and characteristics among BMI groups.

Main Results:

  • Obese patients were younger and had higher rates of diabetes, hypertension, and hyperlipidemia.
  • Underweight patients experienced longer crossclamp times and increased risks of reoperation for bleeding, pulmonary, gastrointestinal, and renal complications.
  • Obese patients had a higher incidence of wound complications. Mortality showed an inverse relationship with BMI.
  • Adjusted analyses indicated an elevated risk of wound complications in overweight and obese individuals.

Conclusions:

  • Body mass index (BMI) does not significantly affect early clinical outcomes following cardiac surgery.
  • Overweight and obese patients exhibit an increased risk of developing wound complications.
Abstract

Keywords:
Body mass indexCoronary artery bypassHeart valve diseasesObesityPostoperative complicationsRisk factorsThinness

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