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Os Acromiale: Reviews and Current Perspectives.

Tian You1, Simon Frostick2, Wen-Tao Zhang1

  • 1Sports Medicine Department, Peking University Shenzhen Hospital, Shenzhen, China.

Orthopaedic Surgery
|September 6, 2019
PubMed
Summary
This summary is machine-generated.

Os acromiale, a common shoulder defect, often requires nonoperative treatment. Surgical intervention, particularly arthroscopic techniques, offers better outcomes for persistent symptoms or concurrent shoulder issues.

Keywords:
ArthroscopyOs acromialeReverse shoulder arthroplastyRototar cuff tearShoulder impingement

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Area of Science:

  • Orthopedics
  • Sports Medicine
  • Anatomy

Background:

  • Os acromiale is a developmental defect characterized by failed osseous union of acromion ossification centers, resulting in fibrocartilaginous tissue connection.
  • It affects 1% to 15% of the population, with higher prevalence in African Americans.
  • Diagnosis in adults is typically via X-ray, while adolescents may need advanced imaging like MRI or SPECT-CT.

Purpose of the Study:

  • To review the diagnosis and management of os acromiale.
  • To discuss surgical techniques and outcomes for symptomatic os acromiale.

Main Methods:

  • Literature review of diagnostic modalities and treatment strategies for os acromiale.
  • Analysis of surgical techniques including tension band fixation and fragment excision.
  • Evaluation of arthroscopic approaches versus open surgery.

Main Results:

  • Nonoperative management (physiotherapy, NSAIDs, injections) is the initial approach for symptomatic os acromiale.
  • Surgical treatment is reserved for cases unresponsive to conservative care.
  • Arthroscopic techniques for internal fixation or resection yield better outcomes and fewer complications, especially in athletes.

Conclusions:

  • Os acromiale management involves a stepwise approach from conservative to surgical interventions.
  • Arthroscopic surgery provides superior results for os acromiale, particularly when addressing associated shoulder pathologies.
  • Early diagnosis and appropriate treatment are crucial for optimal patient recovery and function.