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REDUCTION OF POST-OPERATIVE PAIN FOLLOWING ARTHROSCOPIC ACL RECONSTRUCTION USING LOW TEMPERATURE ARTHROSCOPY IRRIGATION FLUID



Abstract

Introduction Cold therapy is known to reduce pain and swelling after surgical procedures on the knee. We hypothesised that if cold therapy is started earlier, then there would be a reduction in pain and swelling in patients undergoing arthroscopic anterior cruciate ligament (ACL) reconstruction

Methods We prospectively randomised 40 patients undergoing arthroscopic ACL reconstruction with hamstring autograft, to receive either room temperature (19°C) or cold (4°C) arthroscopy irrigation fluid.Patients were then assessed over the following 7 days, with regard to pain (measured on a visual analogue scale), and swelling (measured with limb girth at 4 points around the knee).

Results Pain scores were consistently reduced in the cold fluid group compared to the room temperature group throughout the post operative period, and this difference was significant (p< =0.05) from 6 hours until 7 days post-operatively

At day 7 the swelling measured at 5cm below the joint and 5cm above the joint were significantly lower in the cold group compared with the room temperature group.

Drainage from the intra-articular drain was significantly lower in the cold group.

Conclusion The use of cold irrigation fluid is a simple and safe measure by which pain and swelling (at day 7), can be reduced in the early post-operative period for arthroscopic ACL reconstruction.

The abstracts were prepared by Mr Roger Smith. Correspondence should be addressed to him at the British Association for Surgery of the Knee, c/o BOA, Royal College of Surgeons of England, 35–43 Lincoln’s Inn Fields, London WC2A 3PN.