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Direct Mouse Trauma/Burn Model of Heterotopic Ossification
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Heterotopic Ossification after Arthroscopic Elbow Release.

Chao-Qun Yang1,2,3, Jun-Sheng Hu4, Jian-Guang Xu1,2,3,5

  • 1Department of Hand Surgery, Huashan Hospital, Fudan University, Shanghai, China.

Orthopaedic Surgery
|November 17, 2020
PubMed
Summary
This summary is machine-generated.

Heterotopic ossification (HO) occurred in 25% of patients after arthroscopic elbow release, particularly in those with intrinsic contractures treated with radiofrequency devices. Minimizing thermal injury may reduce HO and improve functional recovery.

Keywords:
Elbow arthroscopyHeterotopic ossificationStiff elbow

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Area of Science:

  • Orthopedic surgery
  • Arthroscopy
  • Elbow reconstruction

Background:

  • Heterotopic ossification (HO) is a potential complication following elbow surgery.
  • Arthroscopic elbow release is used to treat various causes of elbow stiffness.

Purpose of the Study:

  • To determine the incidence and risk factors of HO after arthroscopic elbow release.
  • To evaluate functional outcomes and complications associated with the procedure.

Main Methods:

  • A retrospective study of 101 elbows in 98 patients undergoing arthroscopic elbow release.
  • Patients were categorized into three groups: elbow arthritis, posttraumatic extrinsic stiffness, and intrinsic contractures.
  • HO was assessed postoperatively using X-rays and CT scans; functional recovery was measured by range of motion and the Mayo Elbow Performance Index (MEPS).

Main Results:

  • HO developed in 25% of cases (25/101), with a significantly higher incidence in the intrinsic contracture group (21/32).
  • Significant improvements in active range of motion (ROM) and MEPS were observed across all groups postoperatively.
  • Other complications included prolonged drainage, transient nerve palsies, and one permanent radial nerve injury.

Conclusions:

  • The incidence of HO after arthroscopic elbow release is substantial, especially in cases involving intrinsic contractures.
  • The use of radiofrequency devices for scar tissue release in intrinsic contractures may be associated with increased HO formation.
  • Careful application of radiofrequency devices and minimizing thermal injury are recommended to reduce HO and enhance functional outcomes.