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Updated: Jan 23, 2026

Reverse Total Shoulder Arthroplasty
Published on: July 5, 2011
Evaluation of the Results from Partial Arthroplasty for Treating Shoulder Osteoarthrosis
Alberto Naoki Miyazaki1, Marcelo Fregoneze2, Pedro Doneux Santos3
1PhD. Assistant Professor in the Department of Orthopedics and Traumatology, School of Medical Sciences, and Head of the Shoulder and Elbow Group, Santa Casa de São Paulo, São Paulo, SP, Brazil.
Objective:
In this study we aim at statistically evaluating the results of the surgical treatment of the osteoarthrosis of the shoulder (OAS) with partial shoulder arthroplasty (PSA) and at correlating them with the several variables involved.
Methods:
In this study we evaluated 36 shoulders of 31 patients with OAS who underwent treatment with PSA in the Grupo de Ombro e Cotovelo (Group of Shoulders and Elbows) of the Department of Traumatology and Orthopedics of the Faculdade de Ciências Médicas da Santa Casa de São Paulo - Pavillion Fernandinho Simonsen between January, 1989 and November, 2010. Patients who underwent PSA and who had a post-operative follow-up of at least 12 months were included in the study.
Results:
' After the surgery the range of elevation, external rotation, internal rotation and the UCLA scale improved (with average differences of 35̊, 27̊, 4̊ and 17 points, respectively), with a significant level of 5% (p < 0.05). For the same level of significance, the relation between a satisfactory UCLA and two variables was found: patients with maximum age of 60 years old at the moment of the surgery and patients that underwent tenotomy of the long head of biceps.
Conclusion:
Patients under 60 who underwent surgery and patients who underwent tenotomy of the long head of biceps achieved better results.
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