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Updated: Feb 13, 2026

Rat Model of Adhesive Capsulitis of the Shoulder
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Rat Model of Adhesive Capsulitis of the Shoulder

Published on: September 28, 2018

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Can we improve the outcome of hydrodilatation for adhesive capsulitis?

David N Haughton1, Simon Barton1, Erin Meenan1

  • 1Trauma and Orthopaedic Department, Royal Bolton Hospital NHS Trust, Bolton, UK.

Shoulder & Elbow
|March 22, 2018
PubMed

Insights

Hydrodilatation (HD) effectively treats adhesive capsulitis (AC). Injecting less fluid may improve outcomes, with no complications observed. This study supports HD as a primary treatment for AC.

Area of Science:

  • Orthopedics
  • Physical Medicine

Background:

  • Adhesive capsulitis (AC) is a painful condition affecting shoulder function.
  • Hydrodilatation (HD) is a treatment option for AC, but optimal technique and volume are debated.
  • HD offers advantages over surgery but can be painful and poorly tolerated.

Purpose of the Study:

  • To evaluate the influence of injected volume during hydrodilatation on patient outcomes in adhesive capsulitis.
  • To assess the effectiveness and safety of hydrodilatation as a first-line treatment for AC.

Main Methods:

  • Retrospective review of 107 patients undergoing hydrodilatation over 2.5 years.
  • Analysis of 76 patients with complete data, focusing on Oxford Shoulder Score (OSS) improvement.
  • Correlation analysis between injected volume and OSS improvement.

Main Results:

  • A mean OSS improvement of 12.1 was observed.
  • Females and patients with post-traumatic AC showed the highest improvement (13.9 and 14.1, respectively).
  • A negative correlation between injected volume and OSS improvement was found; no complications occurred.

Conclusions:

  • Hydrodilatation is a recommended first-line treatment for adhesive capsulitis, irrespective of the cause.
  • The volume of fluid injected during HD appears to influence treatment outcomes.
  • Most patients experience positive outcomes, with few requiring additional interventions.
Abstract

Keywords:
adhesive capsulitisarthrographic distensionfrozen shoulderhydrodilatation

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