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Intraoperative forward flexion strongest predictor of postoperative ROM after RSA
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In patients who underwent reverse shoulder arthroplasty, intraoperative forward flexion was the strongest predictor of postoperative range of motion, according to study results.
Researchers retrospectively evaluated 540 patients treated with reverse shoulder arthroplasty (RSA) with measurements of preoperative, intraoperative and postoperative range of motion (ROM) at a follow-up between February 2003 and April 2011. To define independent predictive factors or postoperative active ROM, the researchers performed regression analysis.
The strongest predictor of final postoperative ROM was intraoperative forward flexion, followed by gender and preoperative ROM, whereas age and arm lengthening were not shown to be significant independent predictors, according to the researchers.
When the researchers controlled for gender and preoperative ROM, they found patients with an intraoperative elevation of 90° gained 29° in postoperative forward elevation and patients with 120° gained approximately 40° in postoperative forward elevation. Patients with 150° gained approximately 56° in postoperative forward elevation, and patients with 180° gained approximately 62° in postoperative forward flexion.
Disclosure: See the study for a full list of all authors’ relevant financial disclosures.
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