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General Orthopaedics

THE USE OF AN ELASTIC SELF ADHERENT WRAP (COBAN™) IN PRIMARY TOTAL KNEE REPLACEMENT

The International Society for Technology in Arthroplasty (ISTA), 28th Annual Congress. PART 1.



Abstract

Post-operative swelling and wound ooze following primary Total Knee Replacement (TKR) can lead to complications such as wound infection, and delays in achieving adequate range of motion. The aim of the study is to examine the effectiveness of using an additional layer of a self-adherent elastic wrap (CobanTM) in reducing post-operative swelling and wound ooze after Primary TKR.

Seventeen pairs of patients who had had a primary TKR were studied in a prospective, age and gender-matched cohort study. Half of the patients had wool and crepe dressing (Group A) and the other half with an additional layer of CobanTM dressing (Group B), applied to the wound. Limb circumference was measured at three levels (below knee, knee and above knee) preoperatively and 3 consecutive days post-operatively. The area of wound ooze was measured using AutoCAD software.

Group B showed a significant reduction difference in the mean of post-operative limb circumference at above knee level (3.2 vs 4.9 cm. p =0.023). This trend in reduction was seen at below knee and knee levels, though not statistically significant. There is a clinical difference in the wound ooze measured area of 17.8cm2 Vs 22.9 cm2, in Group B and A, respectively.

Within the relative small size of this study, there appeared a significant reduction in post-operative limb swelling and wound ooze when using CobanTM in TKR. It is promising preliminary results, however the study groups must be extended.


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