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Risk factors for postoperative blood transfusion after shoulder arthroplasty. | LitMetric
Purpose : To identify the effect of surgical indication, patient factors, and perioperative characteristics on transfusion after shoulder arthroplasty (SA).Methods : Shoulder arthroplasties for osteoarthritis (OA) ( = 47), rotator cuff arthropathy (RCA) ( = 50), fracture ( = 76), revision ( = 66), and periprosthetic joint infection (PJI) ( = 35) performed at a single institution during a 6-year period were included. All other indications were excluded. Patient-based and surgical risk factors, including surgical indication, for postoperative allogeneic red blood cell transfusion were assessed with multivariate logistic regression analysis.Results : A total of 274 SAs were included; transfusions were performed in 2% (2/97) of primary SAs for OA or RCA. Increased transfusion rates occurred in PJI (23%, = 0.0006) and fracture (18%, = 0.0018) cases. The mean preoperative hemoglobin (Hgb) was 12.2 ± 2.2 with PJI, 12.0 ± 2.1 with fracture, and 13.3 ± 1.6 g/dL for all other SAs. Independent risk factors for transfusion included lower preoperative hemoglobin ( < 0.001), PJI indication ( = 0.008), and fracture indication ( = 0.02), with no difference for fracture greater or less than 4 weeks old ( = 0.53).Conclusion : Risk factors for allogeneic red blood cell transfusion after SA were low preoperative hemoglobin and procedures for PJI or fracture. Level III, retrospective case-control study.
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