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  • Title: Efficacy of antifungal-impregnated cement spacer against chronic fungal periprosthetic joint infections after total knee arthroplasty.
    Author: Kim JK, Lee DY, Kang DW, Ro DH, Lee MC, Han HS.
    Journal: Knee; 2018 Aug; 25(4):631-637. PubMed ID: 29778657.
    Abstract:
    BACKGROUND: Although two-stage exchange arthroplasty is considered a treatment of choice for chronic features of fungal PJI (periprosthetic joint infection), there is no consensus for local use of antifungal agent. The purpose of this study was to evaluate the efficacy of antifungal-impregnated cement spacer (AICS). METHODS: Nine patients who were diagnosed and treated for chronic fungal PJI after TKA in a single center from January 2001 to December 2016 were enrolled. Two-stage exchange arthroplasty was performed. During the 1st stage resection arthroplasty, AICS was inserted for all patients. Systemic antifungal medication was used during the interval between the two stage operations. RESULTS: The average duration from the initial symptom to fungal PJI diagnosis was 20 months (range, five to 72 months). Average erythrocyte sedimentation rate and C-reactive protein level at diagnosis were 56 mm/h (range, 30 to 89 mm/h) and 2.25 mg/dl (range, 0.11 to 3.97 mg/dl), respectively. Fungal PJI was confirmed by open debridement tissue culture in three cases (33%). The average number of operations before final exchange arthroplasty was 2.7 times (range, one to five times). Average duration of antifungal agent use confirmed by sensitivity test was seven months (range, four to 15 months). Mean interval between the two stage operations was six months (range, 1.5 to 15 months). After two-stage exchange arthroplasty, no patient had recurrent fungal infection during a mean follow-up of 66 months (range, 24 to 144 months). CONCLUSION: Two-stage exchange arthroplasty with AICS is a very effective strategy with excellent outcomes. LEVEL OF EVIDENCE: Case series, IV.
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