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Surgical Porcine Model of Chronic Myocardial Ischemia Treated by Exosome-laden Collagen Patch and Off-pump Coronary Artery Bypass Graft
05:25

Surgical Porcine Model of Chronic Myocardial Ischemia Treated by Exosome-laden Collagen Patch and Off-pump Coronary Artery Bypass Graft

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Short-term complications and resource utilization in matched subjects after on-pump or off-pump primary isolated

Marilyn Hravnak1, Leslie A Hoffman, Melissa I Saul

  • 1Department of Acute/Tertiary Care, School of Nursing, University of Pittsburgh, Pittsburgh, Pa., USA.

American Journal of Critical Care : an Official Publication, American Association of Critical-Care Nurses
|December 1, 2004
PubMed

Insights

Off-pump coronary artery bypass grafting (OPCABG) and standard coronary artery bypass grafting (CABG) show similar complication rates when patients have comparable risk factors. This study matched patients to ensure fair comparison of outcomes.

Area of Science:

  • Cardiovascular Surgery
  • Thoracic Surgery
  • Medical Outcomes Research

Background:

  • Off-pump coronary artery bypass grafting (OPCABG) may reduce complications and resource use compared to standard CABG.
  • Previous studies lacked matched patient groups, hindering direct outcome comparisons.

Purpose of the Study:

  • To compare complications and resource utilization between matched CABG and OPCABG patients.
  • Key risk factors were used for patient matching to ensure a valid comparison.

Main Methods:

  • Retrospective, causal-comparative study of 107 matched pairs of CABG and OPCABG patients.
  • Matching criteria included sex, age, ejection fraction, and graft-patient ratio.
  • Complications (atrial fibrillation, stroke, reoperation, bleeding) and resource use were compared.

Main Results:

  • Matched groups were similar in demographics and preoperative health status.
  • No significant differences were found in the prevalence of selected complications between CABG and OPCABG.
  • Inpatient resource utilization metrics also showed no significant differences.

Conclusions:

  • For patients with similar risk profiles, CABG and OPCABG result in comparable complication rates.
  • Risk factor matching is crucial for accurately comparing surgical outcomes.
Abstract

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