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Institutional variability of intraoperative red blood cell utilization in coronary artery bypass graft surgery
Franklin W Maddux1, Timothy A Dickinson, Dirck Rilla
1Specialty Care Services Group, Nashville, Tennessee 37203, USA. frank.maddux@specialtycaresg.com
Insights
Despite guidelines, intraoperative red blood cell (RBC) transfusions during coronary artery bypass grafting (CABG) vary widely between hospitals. This suggests inconsistent adoption of evidence-based transfusion practices in cardiac surgery.
Area of Science:
- Cardiovascular Surgery
- Transfusion Medicine
- Healthcare Quality Improvement
Background:
- Evidence-based guidelines recommend minimizing allogeneic blood transfusions in cardiac surgery.
- Variability in transfusion practices can impact patient outcomes and healthcare costs.
Purpose of the Study:
- To assess institutional variability in intraoperative red blood cell (RBC) transfusion rates during isolated coronary artery bypass grafting (CABG).
- To identify potential factors contributing to transfusion rate disparities.
Main Methods:
- Analysis of the Hospital Clinical Services Group quality indicator database.
- Inclusion of 17,252 isolated CABG surgery cases from 2007.
- Examination of institutional, regional, and cardiac program size variations in RBC transfusion rates.
Main Results:
- Significant institutional variability in intraoperative RBC transfusion rates was observed, ranging from 0% to 85.7%.
- The overall mean RBC transfusion rate was 40.8%.
- Regional and cardiac program size correlated with variations in RBC transfusion rates and volume.
Conclusions:
- Substantial institutional variability in intraoperative RBC transfusion for CABG persists.
- Evidence-based transfusion practices are not uniformly adopted across healthcare institutions.
- Further research and interventions are needed to standardize transfusion protocols in cardiac surgery.
Abstract:
The variability in frequency of allogeneic blood transfusion during coronary artery bypass surgery (CABG) is a concern. Evidence-based guidelines support minimizing the use of blood during open heart surgery. The Hospital Clinical Services Group quality indicator database was queried for intraoperative red blood cell (RBC) transfusions in 17 252 isolated CABG surgery cases during 2007. Institutional variability was observed in the frequency of intraoperative RBC transfusion rates, which ranged from 0% to 85.7%. The institution mean RBC transfusion rate was 40.8%. Regional geographic and cardiac program size variations were observed in RBC transfusion rates and volume with significant variation. Notable institutional variability persists with respect to intraoperative RBC transfusion in isolated CABG surgery despite clear evidence and guidelines to support techniques to minimize RBC transfusion. Such results support the hypothesis that incorporating evidence-based transfusion-related practices in open heart surgery are not uniformly adopted.
