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Am Heart J ; 174: 1-6, 2016 Apr.
Article in English | MEDLINE | ID: mdl-26995363

ABSTRACT

BACKGROUND: Red blood cell (RBC) transfusions have been associated with morbidity and mortality in both coronary artery bypass grafting (CABG) and percutaneous coronary interventions (PCI). As a mechanism for identifying determinants of RBC practice, we quantified the relationship between a center's PCI and CABG transfusion rate. METHODS: We identified all patients undergoing CABG (n = 16,568) or PCI (n = 94,634) at each of 33 centers from 2010 through 2012 in the state of Michigan and compared perioperative RBC transfusion rates for CABG and PCI at each center. Crude and adjusted transfusion rates were modeled separately. We adjusted for common preprocedural risk factors (12 for CABG and 23 for PCI) and reported Pearson correlation coefficients based on the crude and risk-adjusted rates. RESULTS: As expected, RBC transfusion was more common after CABG (mean 46.5%) than PCI (mean 3.3%), with wide variation across centers for both (CABG min:max 26.5:71.3, PCI min:max 1.6:6.0). However, RBC transfusion rates were significantly correlated between CABG and PCI in both crude, 0.48 (P = .005), and adjusted, 0.53 (P = .001), analyses. These findings were consistent when restricting to nonemergent cases (radj = 0.44, P = .001). CONCLUSIONS: Red blood cell transfusion rates were significantly correlated between the CABG and PCI at individual hospitals in Michigan, independent of patient case mix. Future work should explore institutional practice patterns, philosophies, and guidelines for RBC transfusions.


Subject(s)
Coronary Artery Bypass , Coronary Artery Disease/surgery , Erythrocyte Transfusion/statistics & numerical data , Intraoperative Care/methods , Percutaneous Coronary Intervention , Postoperative Complications/epidemiology , Risk Assessment/methods , Aged , Female , Follow-Up Studies , Guideline Adherence , Humans , Male , Michigan/epidemiology , Middle Aged , Morbidity/trends , Postoperative Complications/prevention & control , Prognosis , Retrospective Studies , Survival Rate/trends
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