ArticleClinics in shoulder and elbow2024
Influence of lateralized versus medialized reverse shoulder arthroplasty design on external and internal rotation: a systematic review and meta-analysis.
Article in Clinics in shoulder and elbow, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 13 citations in OpenAlex.
- Clinical and Radiological Comparison between Asian-Type and Conventional Reverse Shoulder Arthroplasty: A Multicenter Randomized Controlled Trial.Clinics in orthopedic surgery · 2025Trial
- Scapular Alignment Restoration After Posterior Fixation of Displaced Scapular Fractures.Medicina (Kaunas, Lithuania) · 2026Article
- Comparison of functional outcomes between medialized and lateralized reverse shoulder prostheses in acute proximal humerus fractures.Journal of orthopaedic surgery and research · 2026Article
- Absence of scapular notching in lateralized reverse shoulder arthroplasty: a mid-term clinical and radiological evaluation.JSES international · 2025Article
- Lateralization and distalization shoulder angles may not predict clinical outcomes in reverse total shoulder arthroplasty: a systematic review and meta-analysis.JSES international · 2025Review
- Revision Reverse Total Shoulder Arthroplasty Combined With Secondary Pectoralis Major Transfer for Tray-Taper Breakage and Internal Rotational Dysfunction: A Case Report.Journal of orthopaedic case reports · 2025Article
- Outcomes of a cementless onlay short stem reverse shoulder arthroplasty in elderly patients: a comprehensive analysis of clinical and radiological findings.Archives of orthopaedic and trauma surgery · 2024Article
- Lateralising reverse shoulder arthroplasty using bony increased offset (BIO-RSA) or increasing glenoid component diameter: comparison of clinical, radiographic and patient reported outcomes in a matched cohort.Journal of orthopaedics and traumatology : official journal of the Italian Society of Orthopaedics and Traumatology · 2024Article
- Towards optimal reverse total shoulder arthroplasty design: reconsidering the role of lateralized implants.Clinics in shoulder and elbow · 2024Article
Corrections and comments
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Authors and funding
9 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundRestoration of external (ER) and internal rotation (IR) after Grammont-style reverse shoulder arthroplasty (RSA) is often unreliable. The purpose of this systematic review was to evaluate the influence of RSA medio-lateral offset and subscapularis repair on axial rotation after RSA.
methodsWe conducted a systematic review of studies evaluating axial rotation (ER, IR, or both) after RSA with a defined implant design. Medio-lateral implant classification was adopted from Werthel et al. Meta-analysis was conducted using a random-effects model.
resultsThirty-two studies reporting 2,233 RSAs were included (mean patient age, 72.5 years; follow-up, 43 months; 64% female). The subscapularis was repaired in 91% (n=2,032) of shoulders and did not differ based on global implant lateralization (91% for both, P=0.602). On meta-analysis, globally lateralized implants achieved greater postoperative ER (40° [36°-44°] vs. 27° [22°-32°], P<0.001) and postoperative improvement in ER (20° [15°-26°] vs. 10° [5°-15°], P<0.001). Lateralized implants with subscapularis repair or medialized implants without subscapularis repair had significantly greater postoperative ER and postoperative improvement in ER compared to globally medialized implants with subscapularis repair (P<0.001 for both). Mean postoperative IR was reported in 56% (n=18) of studies and achieved the minimum necessary IR in 51% of lateralized (n=325, 5 cohorts) versus 36% (n=177, 5 cohorts) of medialized implants.
conclusionsLateralized RSA produces superior axial rotation compared to medialized RSA. Lateralized RSA with subscapularis repair and medialized RSA without subscapularis repair provide greater axial rotation compared to medialized RSA with subscapularis repair. Level of evidence: 2A.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.