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Press-fit short-stem humeral component yielded clinical improvements after TSA
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Patients who underwent total shoulder arthroplasty with an anatomic press-fit short-stem humeral component experienced significant improvement in clinical outcomes and did not have signs of component loosening at short-term follow-up, according to results.
Anthony A. Romeo, MD, and colleagues evaluated functional outcomes according to American Shoulder and Elbow Surgeons score, VAS for pain, single assessment numeric evaluation (SANE), simple shoulder test (SST) and range of motion in 64 patients who underwent total shoulder arthroplasty with an anatomic short-stem humeral component (Arthrex Inc.) and had a minimum follow-up of 2 years. The investigators also performed radiographic analysis to evaluate component loosening.
Results showed a significant decrease in VAS pain score from 6 to 2 postoperatively. Researchers also noted an increase in SST scores from 4 to 10 and a significant increase in SANE and ASES scores from 32 to 84 and from 37 to 80, respectively. Range of motion had significant improvements with forward flexion improving from 116° to 148°, external rotation improved from 30° to 57° and internal rotation improved from an average spinal level of S1 to L2, according to results. Researchers deemed 9% of stems at risk for loosening according to radiographic examination, but no patients had gross loosening. – by Casey Tingle
Disclosures: Romeo reports he received royalties, consulting payments and research support from Arthrex Inc. Please see the full study for a list of all other authors’ relevant financial disclosures.
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