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Intracapsular pressure and elasticity of the hip joint capsule in osteoarthritis

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Author

Summary, in English

We investigated intracapsular pressure and elasticity of the hip joint capsule in osteoarthritis. HOOS hip score, sonography of the hip joint, and radiographic assessment of osteoarthritis were performed in 31 patients before total hip arthroplasty. The intracapsular hydrostatic pressure was measured perioperatively, and 0.9% saline solution was then injected in the hip joint, 1 mL at a time with continuous pressure recording up to 300 mm Hg. The mean radiographic grade of severity of osteoarthritis was 8 (SD, 2.4). The mean hydrostatic intracapsular pressure in 45 degrees of flexion was 2.2 mm Hg (SD, 10.0) in extension, 15.8 mm Hg (SD, 33.0); in inward rotation, 13.7 mm Hg (SD, 26.0); and in outward rotation, 12.1 mm Hg (SD, 24.3). Severe osteoarthritis was associated with lower intracapsular pressure and lower elasticity of the joint capsule.

Publishing year

2007

Language

English

Pages

596-600

Publication/Series

Journal of Arthroplasty

Volume

22

Issue

4

Document type

Journal article

Publisher

Elsevier

Topic

  • Orthopedics

Keywords

  • joint capsule
  • intracapsular pressure
  • elasticity
  • sonography
  • osteoarthritis

Status

Published

ISBN/ISSN/Other

  • ISSN: 0883-5403