Stemless anatomic total shoulder arthroplasty with a novel anatomically shaped side-specific humeral component: technical tips and literature review.

36 Though the stemless cohort experienced less total blood loss (approximately 100 mL) and no transfusions compared to stemmed aTSA and reverse total shoulder arthroplasty, these differences did not reach statistical significance—likely secondary to the small sample size of stemless aTSA. 36 A meta-analysis by Liu et al observed that stemless aTSA was performed in a shorter operative time by 6-15 minutes and with a lower intraoperative blood loss by 45-96 milliliters compared to stemmed aTSA. 33 Subsequently, Nixon et al conducted a study of 115 stemless aTSA and 59 stemmed aTSA, observing a 24-minute reduction in surgical time with stemless aTSA.

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