BACKGROUND The aim of this study was to investigate the success rate of fungal peri-prosthetic joint infection treated by 2-stage revision and related factors of treatment failure to offer a better treatment protocol. MATERIAL AND METHODS We reviewed 18 joints (13 knees and 5 hips) of 17 patients (10 women and 7 men) diagnosed with fungal peri-prosthetic joint infection from January 2000 to June 2015 at our institute. The mean follow-up was 65.1 months (range, 25-129 months). All joints were treated with complete debridement, implantation of antifungal-loaded cement spacers, at least 6 weeks of parenteral antifungal agents, and delayed reimplantation. RESULTS Notably, 15 joints were infected with Candida, and molds were isolated in 3 joints. The median duration of resection arthroplasty and reimplantation was 33.9 weeks (range, 12-132 weeks). Thirteen (10 knees and 3 hips, 72.2%) of the 18 joints (13 knees and 5 hips) had no recurrent or persistent infection, while the remaining 5 joints (3 knees and 2 hips, 27.8%) failed to control infection after reimplantation of prosthesis or spacer. The long interval between prosthesis resection and reimplantation (69 weeks vs. 23.1 weeks, p=0.240) and mixed bacterial infection (80% vs. 46.2%, p=0.314) were associated with higher failure rate. CONCLUSIONS Debridement with the retention of the prosthesis is not an ideal treatment protocol for fungal peri-prosthetic joint infection; thus, a two-stage revision could be valid. We suggest that 6 weeks of parenteral antifungal agents are necessary, and 6 subsequent weeks of oral antifungal treatment is also important. We do not recommend that the two-stage revision be performed on patients who have more than 2 host risk factors.
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http://dx.doi.org/10.12659/MSM.909168 | DOI Listing |
Viruses
October 2024
AO Research Institute Davos, 7270 Davos, Switzerland.
J Orthop Case Rep
February 2024
Department of Orthopaedics, AIIMS Nagpur, Nagpur, Maharashtra, India.
Introduction: The recent surge in joint replacement surgeries in India, particularly total knee and hip replacements, is notable. The majority of patients undergoing these procedures suffered from knee osteoarthritis or femoral head avascular necrosis. However, this increase in joint replacements has also led to a rise in periprosthetic joint infections (PJI), a severe and costly complication.
View Article and Find Full Text PDFFront Med (Lausanne)
June 2023
The Ottawa Hospital Research Institute, Ottawa, ON, Canada.
Background: Biofilm formation is a major clinical challenge contributing to treatment failure of periprosthetic joint infection (PJI). Lytic bacteriophages (phages) can target biofilm associated bacteria at localized sites of infection. The aim of this study is to investigate whether combination therapy of phage and vancomycin is capable of clearing biofilm-like aggregates formed in human synovial fluid.
View Article and Find Full Text PDFSurg Infect (Larchmt)
August 2023
Department of Orthopedic Surgery, University of Maryland School of Medicine, Baltimore, Maryland, USA.
Conducting gram stains in peri-prosthetic joint infections (PJI) is known to have poor sensitivity. However, the aims of this study were to use gram stain results of acute and chronic PJI to determine differences with respect to bacterial burden and levels of local innate immunologic response. Patients with acute and chronic PJI from January 1, 2016 and December 31, 2020 were identified by use of codes.
View Article and Find Full Text PDFInt Orthop
May 2023
Studio Medico Associato Cecca-Romanò, Corso Venezia 2, 20121, Milan, Italy.
Purpose: Synovial fluid cultures of periprosthetic joint infections (PJI) may be limited by bacteria living in the fluids as biofilm-aggregates. The antibiofilm pre-treatment of synovial fluids with dithiotreitol (DTT) could improve bacterial counts and microbiological early stage diagnosis in patients with suspected PJI.
Methods: Synovial fluids collected from 57 subjects, affected by painful total hip or knee replacement, were divided into two aliquots, one pre-treated with DTT and one with normal saline.
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