Hydrodilatation

Hydrodilatation
Other namesDistension arthrography

Hydrodilatation or hydraulic arthrographic capsular distension or distension arthrography is a medical treatment for adhesive capsulitis of shoulder. The treatment is applied by a radiologist assisted by a radiographer. Contrast medium, a local anaesthetic and cortisone are injected into the joint. Then up to 40ml of sterile saline solution are injected, using X-ray as guidance, to stretch the joint capsule. Risk of complications is low. Whether the treatment is successful is known after a couple of weeks.

The procedure is performed under imaging guidance, using either fluoroscopy, ultrasound or Computed Tomography (CT). Hydrodilatation is felt to provide benefit via two mechanisms: manual stretching of the capsule and thus disruption of adhesions which are characteristic of adhesive capsulitis, and; the introduction of cortisone provides a potent anti-inflammatory effect and thus prevents further adhesion recurrence.

Research in 2008 has questioned the benefit of hydrodilatation as giving no statistical benefit over injecting cortisone alone.[1]

References

  1. ↑ Tveitå EK, Tariq R, Sesseng S, Juel NG, Bautz-Holter E (2008). "Hydrodilatation, corticosteroids and adhesive capsulitis: a randomized controlled trial". BMC Musculoskelet Disord. 9: 53. doi:10.1186/1471-2474-9-53. PMC 2374785. PMID 18423042.{{cite journal}}: CS1 maint: multiple names: authors list (link)


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