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Related Experiment Video

Updated: Dec 9, 2025

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Acetabularization as a Protective Factor in Rotator Cuff Arthropathy.

Leonardo Roure Esteves1, Carlos Vicente Andreoli1, Eduardo Antonio de Figueiredo1

  • 1Departamento de Ortopedia e Traumatologia, Universidade Federal de São Paulo (Unifesp), São Paulo, SP, Brasil.

Revista Brasileira De Ortopedia
|September 9, 2020
PubMed
Summary
This summary is machine-generated.

Shoulders with acetabularization show better range of motion and function in rotator cuff arthropathy cases. Glenohumeral arthrosis is linked to worse outcomes, indicating acetabularization benefits rotator cuff repair.

Keywords:
rotator cuff injuriesrotator cuff tear arthropathyshoulder joint

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Area of Science:

  • Orthopedics
  • Shoulder Surgery
  • Radiology

Background:

  • Rotator cuff arthropathy can lead to significant shoulder dysfunction.
  • Acetabularization, a radiographic finding, is hypothesized to influence functional outcomes.

Purpose of the Study:

  • To evaluate if shoulders with acetabularization demonstrate superior functional results in rotator cuff arthropathy.
  • To correlate radiographic classifications with clinical outcomes in affected shoulders.

Main Methods:

  • Cross-sectional study of 65 shoulders with rotator cuff arthropathy.
  • Clinical assessment included range of motion (RoM) and Constant-Murley score.
  • Radiological assessment used Hamada and Seebauer classifications.

Main Results:

  • Acetabularization (Seebauer type A) correlated with better RoM (anterior elevation, medial rotation) and Constant-Murley scores compared to glenohumeral arthrosis (Seebauer type B).
  • Hamada classifications showed improved RoM in types 1, 2, and 3 versus types 4A, 4B, and 5, particularly for anterior elevation and medial rotation.
  • Constant-Murley scores were better in Hamada types 1, 2, and 3, with significant differences noted between type 3 and type 5.

Conclusions:

  • Shoulders exhibiting acetabularization (Seebauer 1A, Hamada 3) demonstrate enhanced range of motion and functional outcomes.
  • Glenohumeral arthrosis (Seebauer 1B, 2B; Hamada 4A, 4B, 5) is associated with poorer functional results in rotator cuff arthropathy.