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Cost Analysis as well as Realistic Use of Anti-Glaucoma Treatment inside a Tertiary Hospital within Ghana.
BACKGROUND Prosthetic joint infection (PJI) is associated with significant morbidity, mortality, and costs. We developed a fast-track PJI care system using an infectious disease physician to work directly with the TJA service and coordinate in the treatment of PJI patients. We hypothesized that streamlined care of patients with hip and knee PJI decreases the length of the acute hospital stay without increasing the risk of complication or incorrect antibiotic selection. METHODS A single-center retrospective chart review was performed for all patients treated operatively for PJI. A cohort of 78 fast-track patients was compared to 68 control patients treated before the implementation of the program. Hospital length of stay (LOS) and cases of antibiotic mismatch were primary outcomes. Secondary outcomes, including 90-day readmissions, reoperations, mortality, rate of reimplantation, and 12-month reimplant survival, were compared. Cox regressions were analyzed to assess the effects on LOS of patient demographics and the type of surgery performed. RESULTS Average hospital LOS from infection surgery to discharge was significantly lower in the fast-track cohort (3.8 vs 5.7 days; P = .012). There were no episodes of antibiotic mismatch in the fast-track group vs 1 recorded episode in the control group. No significant differences were noted comparing 90-day complications, reimplantation rate, or 12-month reimplant survival rates. CONCLUSION Through the utilization of an orthopedic-specific infectious disease physician, a fast-track PJI protocol can significantly shorten hospital LOS while remaining safe. Streamlining care pathways may help decrease the overall healthcare costs associated with treating PJI. Periprosthetic joint infection represents a serious complication following total knee arthroplasty. In the setting of chronic or age-indeterminate total knee arthroplasty infection, a 2-staged approach has been traditionally the preferred method of treatment over single-stage debridement and reimplantation debridement or debridement, antibiotics and implant retention. Two-stage is the preferred treatment method in North America and has demonstrated better overall success than the single stage techniques. Additionally, the 2-stage method is the preferred treatment for difficult to treat pathogens as well as in patients who have already undergone a previous revision procedure. An articulating prefabricated antibiotic spacer has entered the armamentarium of 2-stage revision knee surgery, and has demonstrated comparable results to custom and static spacers in terms of the primary goal of infection control. Importantly, the potential for enhanced mobility and function hold promise by safely providing a more "livable" knee during the convalescent period prior to definitive reimplantation. BACKGROUND The purpose of this study was to compare patients who had chronic prosthetic joint infection treated using three methods of articulating polymethylmethacrylate spacers in two-stage reimplantation. METHODS We identified 77 patients who had chronic prosthetic joint infection with a minimum of one-year follow-up. Reinfection rates were determined using modified International Consensus group criteria. RESULTS The overall reinfection rate was 18% (14 of 77 patients). Despite a higher medical comorbidity in the second-generation spacer cohort, there were no statistical differences in reinfection rates between articulating spacer types. CONCLUSION This study suggests that there were no differences in efficacy between the traditional molded, first-generation premolded, and second-generation premolded articulating spacers, but more studies with high level of evidence are needed. Antibiotic-impregnated intramedullary dowels historically have been advocated and are frequently used to facilitate periprosthetic knee infection eradication. They are used for focused delivery of antibiotics into the femoral and tibial intramedullary canals during 2-stage resection utilizing an antibiotic cement spacer. However, the literature is limited on the use and efficacy of antibiotic-eluding intramedullary dowels in periprosthetic joint infection. We reviewed the available literature and have found that the data at this point are equivocal with respect to whether antibiotic-impregnated cement intramedullary dowels augment the intra-articular antibiotic cement spacer in eradicating infection in total knee arthroplasty. Thus, we believe that the decision to use dowels can be left up to the surgeon preference. However, further research is warranted to review operative room efficiency and healthcare costs, and to validate the clinical efficacy of antibiotic-impregnated dowels in periprosthetic joint infection. Antibiotic-loaded bone cement (ALBC) spacer constructs for the treatment of periprosthetic joint infections of the knee continue to evolve from the original hockey puck designs. Rapamycin chemical structure Countless techniques have since been described for augmentation of ALBC spacers with the use of intramedullary (IM) dowels. The use of IM dowels has become a vital addition to any knee spacer construct. ALBC IM dowels are an excellent vessel to provide targeted local antibiotic treatment to high-risk areas like the medullary canal while increasing the overall therapeutic antibiotic elution. In addition, IM dowels provide needed stabilization to the relatively unstable intra-articular spacer component, thereby reducing spacer-related complications like displacement and fracture. Therefore, we recommend regular use of IM dowel augmentation to ALBC spacer constructs. Two-stage exchange arthroplasty remains the gold standard for chronic total knee arthroplasty (TKA) and total hip arthroplasty infections in North America. Cement spacers impregnated with high-dose antibiotics have been successfully used in the interim period of the 2-stage exchange process. A number of spacers have been described; however, this article will focus on articulating spacers. In the presence of an intact extensor mechanism (for TKA), reasonable soft tissue envelope, and adequate bone, articulating antibiotic spacers provide several advantages. These include an infection eradication rate of approximately 90%, higher range of motion after reimplantation, and lower complication rates when compared with nonarticulating spacers. In the appropriate patient, articulating antibiotic spacers are an effective and a safe treatment for infected TKAs and total hip arthroplasties.
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