Jun 15–21, 2026 · 9 new studies, 4 reviews · Shoulder & Elbow archive · All weeks
The new Shoulder & Elbow research The Reduction sent the week of Jun 15–21, 2026, with the week’s most recent reviews, each with a one-line summary.
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At 7-year follow-up, reverse shoulder arthroplasty provided better functional outcomes than nonoperative treatment for displaced 3- or 4-part proximal humerus fractures in patients over 80.
In patients under 55 with glenohumeral osteoarthritis, reverse and stemless anatomic TSA had the lowest revision rates, outperforming stemmed TSA, hemiarthroplasty, and resurfacing.
Finite-element modeling showed age-related bone density loss increased stemless shoulder implant micromotion, but some designs (Global Icon, Inhance) performed well, suggesting age alone isn't a contraindication.
Among patients perceiving their shoulder as normal, anatomic TSA outperformed reverse TSA in motion and high-demand function, with 40% of aTSA patients achieving near-normal status.
Z-type Clavicle Fractures in Adults: A Retrospective Comparative Study of Outcomes.
Z-type clavicle fractures had surgery rates similar to non-Z-type when treated nonoperatively, challenging the assumption that Z-deformity mandates surgery.
Single-dose zoledronic acid during rotator cuff repair altered circulating miRNA profiles toward reduced inflammation/fibrosis and improved healing, explaining lower retear rates.
Early Results of a Novel Method to Treat Bidirectional Elbow Instability: A Pilot Study.
A novel bilateral ligament reconstruction for bidirectional elbow instability stabilized 3 of 4 pilot patients, but early force application risks failure—a promising yet unproven technique needing more data.
Percutaneous locking screws in RSA fracture stems pass dangerously close to axillary and radial nerves, with direct penetration occurring in cadaveric specimens, demanding surgical caution.
Conservative treatment of distal biceps ruptures yields minimal strength loss and good function in sedentary patients, but heavy manual workers fare worse and chronic pain is underappreciated.
Assessment and diagnosis of non-traumatic shoulder instability: A scoping review.
Scoping review finds no consensus assessment for non-traumatic shoulder instability, which is multifactorial; clinical history is key and routine imaging has limited first-line value.
Modern pediatric upper-extremity skeletal maturity systems show only mild race- and sex-dependent discrepancies versus historical data, remaining broadly applicable.
Coronal shear fractures of the distal humerus: Current concepts and surgical techniques.
Review of classification, outcomes, and surgical techniques for coronal shear distal humerus fractures, highlighting challenges of small, distal, comminuted fragments requiring specialized fixation.
The Natural History of Pediatric and Adolescent Shoulder Dislocation.
Recurrent anterior shoulder instability occurs in over 70% of young patients, supporting early surgical consideration in this high-risk population to prevent progressive joint damage.
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