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Joint Aspiration and Injection
Joint Aspiration and Injection is a precise rheumatological procedure that withdraws fluid for diagnostic analysis and injects corticosteroid for targeted anti-inflammatory therapy -- providing rapid pain relief and accurate diagnosis from a single minimally invasive outpatient procedure.
Overview
Key Benefits
Discover the advantages of choosing our joint aspiration and injection services.
Rapid diagnostic and therapeutic value in a single brief outpatient procedure
Fluid crystal analysis distinguishes gout pseudogout and infection definitively
Ultrasound-guided injection achieves higher technical accuracy than landmark technique alone
Targeted intra-articular corticosteroid avoids systemic steroid side effects
Rapid pain and mobility improvement allowing physiotherapy and rehabilitation to resume
Clinical Features
The technology, techniques and clinical approach behind our joint aspiration and injection.
Full aseptic technique prevents procedure-related joint infection
Ultrasound guidance improves accuracy for deep or difficult-to-access joint injections
Synovial fluid dispatched to laboratory immediately for crystal and culture analysis
Corticosteroid injected only after confirming infection has been excluded
Written post-procedure instructions explain expected post-injection flare and urgent review criteria
Preparation Instructions
Rest the injected joint for 24 to 48 hours to maximise the therapeutic effect. Avoid prolonged weight-bearing on an injected lower limb joint for 24 hours. A post-injection flare with temporary worsening for 24 to 48 hours occurs in 10% of patients and is managed with ice and paracetamol. Contact the rheumatology team for fever, increasing redness, or worsening swelling after injection as these may indicate joint infection.
The Procedure
Step-by-step guide to what you can expect during your joint aspiration and injection procedure.
Site Assessment and Asepsis Preparation
The joint or bursa is examined to confirm effusion or inflammation. The skin is cleaned thoroughly with antiseptic solution and a sterile field prepared before any needle is introduced.
Local Anaesthetic Skin Infiltration
Local anaesthetic is injected into the skin and subcutaneous tissue at the planned needle entry point -- ensuring patient comfort throughout the procedure.
Ultrasound Guidance Positioning
For deep joints (hip shoulder) and complex structures the ultrasound probe is positioned to visualise the target in real time guiding safe needle placement.
Aspiration of Joint Fluid
The needle is advanced into the joint space and synovial fluid is aspirated. Volume colour turbidity and viscosity are noted. Fluid is immediately labelled and dispatched to the laboratory for crystal and culture analysis.
Corticosteroid Injection
After aspiration the corticosteroid preparation is injected into the joint space providing targeted anti-inflammatory effect lasting 4 to 12 weeks.
Post-Procedure Advice
Rest the injected joint for 24 to 48 hours and avoid strenuous activity for one week. A post-injection flare for 24 to 48 hours is explained as normal and managed with ice and paracetamol.
What to Expect
The skin is cleaned with antiseptic and local anaesthetic is injected before the needle is placed. Ultrasound guidance is used for accurate positioning when indicated. The procedure takes 5 to 15 minutes and most patients find it very tolerable. Synovial fluid is sent to the laboratory immediately. Improvement in pain and mobility is typically noticed within 24 to 48 hours of a corticosteroid injection.
Frequently Asked Questions
Common questions about joint aspiration and injection.
Related Services
Explore other services in our Rheumatology department.
Rheumatoid Arthritis Management
Osteoporosis Assessment and Treatment
Gout and Crystal Arthropathy
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