Estimated blood loss and anemia predict transfusion after total shoulder arthroplasty: a retrospective cohort study.

<h4>Background</h4>Reported blood transfusion rates after total shoulder arthroplasty (TSA) range from 4.5% to 43%, and reported risk factors include race, female sex, prosthesis type (reverse), revision, age, anemia, low preoperative hemoglobin, and number of comorbidities. The purpose of this stud... View More