Treatment
Hydrodistention
Gentle joint stretching with fluid can improve movement and reduce stiffness.
What patients can expect
Hydrodistention (also called capsular distension) is an image‑guided procedure often used for frozen shoulder (adhesive capsulitis). Fluid is gently injected to stretch the joint capsule and reduce painful restriction, helping restore movement.
Your clinician confirms the diagnosis, reviews the phase of frozen shoulder, and explains expected results. Hydrodistention is typically combined with physiotherapy to translate improved capsule stretch into lasting mobility and strength gains.
After the procedure, you may notice temporary soreness. Early guided movement is important—your team will outline home exercises and a plan for follow‑up therapy.
Understanding
Hydrodistention
Hydrodistention is an image-guided procedure commonly used for frozen shoulder (adhesive capsulitis). By introducing fluid into the joint, the capsule is gently stretched, which can reduce painful restriction and support improved range of motion.
Frozen shoulder can be persistent and may limit daily activities. Hydrodistention is typically combined with physiotherapy to translate the temporary increase in capsule stretch into lasting mobility and strength gains over the following weeks.
What to Expect After the Procedure
After the procedure, most patients are monitored for a short period to ensure there are no immediate complications. Here’s what you can typically expect during the recovery period:
Initial Discomfort
It is common to experience some soreness in the shoulder area. This is usually related to capsular stretching and should settle within a few days.
Increased Stiffness or Ache
Some patients notice a temporary ache or stiffness after the procedure. This is generally short‑lived and improves as you resume guided movement and exercises.
Possible Bruising
Mild bruising around the injection site can occur. This should gradually reduce over the following days.
Mobility Improvement
Many patients feel improved movement soon after the procedure. Physiotherapy and home exercises help maintain gains and build long‑term strength.
Benefits of Hydrodistention
Hydrodistention can offer several benefits for selected frozen shoulder cases when combined with a structured rehabilitation plan:
Pain Relief
Stretching the tight capsule can reduce painful restriction, making day-to-day movement more comfortable.
Improved Range of Motion
Many patients notice improved shoulder mobility, creating a better starting point for physiotherapy.
Faster Rehab Progress
When paired with guided exercises, improved comfort and movement can help you progress more consistently.
Conditions Treated with
Hydrodistention
Frozen Shoulder (Adhesive Capsulitis)
Painful shoulder stiffness that limits movement. Hydrodistention may help stretch the capsule and support mobility recovery.
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Post‑Immobilisation Stiffness
Shoulder stiffness after prolonged rest, sling use, or limited movement. The goal is to reduce restriction and help you restart rehab safely.
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Post‑Traumatic Shoulder Stiffness
Stiffness following injury can limit progress. Hydrodistention may be considered when capsular tightness is a key driver.
Persistent Pain with Capsular Tightness
When imaging and assessment suggest capsular restriction contributes to pain, hydrodistention can support a mobility‑first plan.
Hydrodistention FAQ
Relief duration varies, but many patients experience symptom improvement for weeks to months. Repeat procedures may be considered depending on response and rehabilitation progress.
Hydrodistention: technique, benefits, steps, risks, and recovery
Hydrodistention can reduce pain and improve shoulder mobility in selected frozen shoulder cases. Your clinician will confirm suitability and coordinate the therapy plan that follows.
Technique (how it works)
Under ultrasound or fluoroscopic guidance, a needle is placed into the shoulder joint. Fluid is introduced to gently distend the capsule; medication may be included depending on the plan and clinical judgement.
Medical benefits
- Can improve shoulder movement and reduce pain in selected frozen shoulder cases.
- Image guidance improves accuracy and comfort.
- Outpatient, minimally invasive approach with short procedural time.
- Supports physiotherapy by creating a better starting point for mobility work.
Procedural steps
- Assessment to confirm frozen shoulder and define goals.
- Skin preparation and local anaesthetic.
- Needle placement into the joint under imaging guidance.
- Controlled capsular distension with fluid.
- Immediate post‑procedure mobility guidance and therapy plan.
Risks and complications
- Short‑term pain flare or soreness.
- Bleeding, bruising, or infection (uncommon).
- Temporary dizziness or fainting in some patients.
- Incomplete improvement without a structured physiotherapy plan.
Preparation and aftercare
- Bring a medication list; discuss blood thinners and diabetes management as needed.
- Plan gentle activity immediately after and schedule physiotherapy sessions.
- Follow home exercises to maintain range of motion improvements.
- Monitor for fever, spreading redness, or severe worsening pain.
Recovery timeline
Many people resume daily activities quickly. Mobility gains are best maintained through early, consistent physiotherapy over the following weeks.
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