THE MANAGEMENT OF PERIPROSTHETIC WOUND FOLLOWING TOTAL KNEE ARTHROPLASTY (TKA): A PROPOSED TREATMENT ALGORITHM FOR SOFT-TISSUE RECONSTRUCTION

Peri-prosthetic wound infections can complicate total knee arthroplasty (TKA) in 1–1.5% of cases and may require the input of a combined orthopaedic and plastic surgery team. Failure of optimal management can result in periprosthetic joint infection, arthrodesis or in severe cases limb amputation. A retrospective 11-year review of TKA patients was undertaken in a single unit. Data was collected on a proforma and patient demographics were identified by case note analysis. Incidence of periprosthetic wound infections was recorded. A protocol to standardise treatment was subsequently developed following multidisciplinary input. 56 patients over 11 years developed periprosthetic wound infection. 33 patients were available for analysis. The male:female ratio 1:0.7 with a mean age of 70 years (range: 32–88 years). 5 (15%) developed superficial infections, 4 (12%) patients developed cellulitis requiring antibiotics, 14 (42%) with superficial wound dehiscence and 2 (6%) required washout of the prosthesis with long-term antibiotic therapy. 4 (12%) were managed without plastics involvement, one leading to arthrodesis and 4 (12%) had plastic surgical input, with one leading to arthrodesis. The mean time before plastic surgical review after initial suspicion of infection was 13 weeks. The management of periprosthetic wound infections following TKA are variable and can require a multidiscplinary ortho-plastic approach. Early plastic surgical involvement in specific cases may improve outcome. Our proposed management protocol would facilitate in standardising the management of these complex patients.