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van Schaik T, Heesterbeek P, van Susante J, Rijnen W, Goosen J. Multiplex PCR test as an intra-operative diagnostic tool for periprosthetic joint infection in presumed aseptic revision hip and knee arthroplasty: a 1-year follow-up study of 200 cases. J Bone Jt Infect 2024; 9:9-16. [PMID: 38600999 PMCID: PMC11002914 DOI: 10.5194/jbji-9-9-2024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Accepted: 12/06/2023] [Indexed: 04/12/2024] Open
Abstract
Automated custom-made multiplex PCR techniques (mPCR) have become commercially available and are designed for intra-operative screening of concurrent periprosthetic joint infections (PJIs). The purpose of this study was to evaluate the value of a positive mPCR test in presumed aseptic revision total hip (THA) and knee (TKA) arthroplasties after a 1-year follow-up. In an earlier study, such an automated mPCR technique (Unyvero ITI G2; Curetis, Holzgerlingen, Germany) was tested on intra-operatively obtained synovial fluid in 200 patients with a presumed aseptic TKA or THA revision. At the time of revision, no therapeutic consequences were attached to a positive test result since treating personnel were blinded for the test results. We retrospectively reviewed the outcome of cases with respect to the occurrence of PJIs using the European Bone and Joint Infection Society (EBJIS) criteria during a 1-year follow-up postoperatively. A total of 10 out of 200 patients had a positive mPCR test result at the time of revision. Of these 10 cases, none encountered outcome parameters fulfilling the criteria to diagnose PJIs in the first year after surgery, and one required re-revision surgery for reasons other than infection. Of the other 190 negative mPCR cases, none developed a PJI. A positive mPCR test at the time of presumed aseptic revision surgery did not correspond with intra-operatively obtained tissue cultures, and none of the encountered positive mPCR tests had developed a PJI at the 1-year follow-up. We recommend careful evaluation and monitoring of modern diagnostic tests before widespread use.
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Affiliation(s)
- Thomas J. A. van Schaik
- Department of Orthopaedic Surgery, Sint Maartenskliniek, Nijmegen, the Netherlands
- Department of Orthopaedic Surgery, Rijnstate Ziekenhuis, Arnhem, the Netherlands
- Department of Orthopaedic Surgery, Radboud University Medical Center, Nijmegen, the Netherlands
| | | | | | - Wim H. C. Rijnen
- Department of Orthopaedic Surgery, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Jon H. M. Goosen
- Department of Orthopaedic Surgery, Sint Maartenskliniek, Nijmegen, the Netherlands
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Richarme C, Pavese P, Rubens-Duval B, Seurat O, Le Marechal M, Boisset S. Diagnostic performances and therapeutic impact of the Unyvero Implant and Tissue Infection multiplex PCR in periprosthetic joint infections. Future Microbiol 2023; 18:723-734. [PMID: 37526180 DOI: 10.2217/fmb-2022-0245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/02/2023] Open
Abstract
Aim: We evaluated the diagnostic performances of Unyvero Implant and Tissue Infection multiplex PCR (mPCR) (Curetis) and the clinical impact of this PCR on therapeutic decisions. Materials & methods: A mPCR was performed on 33 joint fluids in addition to standard culture. A group of experts analyzed a posteriori the impact of the mPCR in the patient management. Results: The rate of concordance with culture was 74% (20/27). The sensitivity of the PCR was 59% and the specificity 90%. Clinicians would have started an appropriate treatment sooner for six patients (from 2 to 22 days earlier). Conclusion: The PCR would improve the management of 22% of the patients. For other patients, mPCR results have to be completed with the culture.
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Affiliation(s)
- Claire Richarme
- Laboratoire de bactériologie-hygiène hospitalière, Centre Hospitalier Universitaire Grenoble Alpes, Grenoble, 38043, France
| | - Patricia Pavese
- Service de maladies infectieuses et tropicales, Centre Hospitalier Universitaire Grenoble Alpes, Grenoble, 38043, France
| | - Brice Rubens-Duval
- Service de chirurgie orthopédique et de traumatologie du sport, Hôpital Sud, Centre Hospitalier Universitaire Grenoble Alpes, Grenoble, 38043, France
| | - Olivier Seurat
- Service de chirurgie orthopédique et traumatologique, Hôpital Nord, Centre Hospitalier Universitaire Grenoble Alpes, Grenoble, 38043, France
| | - Marion Le Marechal
- Service de maladies infectieuses et tropicales, Centre Hospitalier Universitaire Grenoble Alpes, Grenoble, 38043, France
| | - Sandrine Boisset
- Laboratoire de bactériologie-hygiène hospitalière, Centre Hospitalier Universitaire Grenoble Alpes, Grenoble, 38043, France
- Institut de Biologie Structurale, Université Grenoble Alpes, CNRS, CEA, Grenoble, 38044, France
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Hirai J, Mori N, Sakanashi D, Morishita Y, Kuge Y, Kishino T, Asai N, Hagihara M, Takahashi N, Mikamo H. Usefulness of the FilmArray blood culture identification panel for identifying causative pathogens of bone and joint infections. J Infect Chemother 2023; 29:722-725. [PMID: 37088145 DOI: 10.1016/j.jiac.2023.04.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 03/24/2023] [Accepted: 04/17/2023] [Indexed: 04/25/2023]
Abstract
As bone and joint infections (BJIs) require long-term treatment, identifying their causative pathogens is vital. However, the detection rate of conventional culturing remains inadequate. This study aimed to evaluate the usefulness of the FilmArray blood culture identification (BCID) panel for identifying causative pathogens in patients with BJIs. We tested a BCID panel using collected samples, in addition to conventional cultures. The primary outcome was to evaluate the diagnostic performance of the BCID panel, calculated using conventional culturing methods. A total of 44 patients who underwent BJI-related specimen collection were enrolled. Of the 44 patients, 22 were diagnosed with a BJI. Conventional culture identified 15 of 22 organisms (68.2%), whereas the BCID panel identified 14 of 22 organisms (63.4%). The overall sensitivity and specificity of the BCID panel were 73.3% and 57.1%, respectively, compared to those of the conventional culture. However, the sensitivity reached 100% when only pathogens included in the BCID panel were considered. In seven culture-negative cases, the BCID panel identified three organisms (42.9%). The BCID panel also indicated the appropriate therapy against a BJI caused by methicillin-resistant Staphylococcus aureus by detecting the mecA gene. This study demonstrated that the BCID panel has the potential for early and accurate diagnosis of the causative organism of BJI using specimens such as joint fluid and bone tissue. Our results suggest that BCID panels, in addition to routine culture, may improve our ability to diagnose the causative microorganisms of BJI in clinical practice, thereby contributing to the selection of appropriate antimicrobial agents.
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Affiliation(s)
- Jun Hirai
- Department of Clinical Infectious Diseases, Aichi Medical University Hospital, Aichi, Japan; Department of Infection Control and Prevention, Aichi Medical University Hospital, Aichi, Japan.
| | - Nobuaki Mori
- Department of Clinical Infectious Diseases, Aichi Medical University Hospital, Aichi, Japan; Department of Infection Control and Prevention, Aichi Medical University Hospital, Aichi, Japan
| | - Daisuke Sakanashi
- Department of Infection Control and Prevention, Aichi Medical University Hospital, Aichi, Japan
| | - Yusuke Morishita
- Department of Orthopedic Surgery, Aichi Medical University, Aichi, Japan
| | - Yuji Kuge
- Department of Emergency and Critical Care Medicine, Aichi Medical University Hospital, Nagakute, Aichi, Japan
| | - Takaaki Kishino
- Department of Emergency and Critical Care Medicine, Aichi Medical University Hospital, Nagakute, Aichi, Japan
| | - Nobuhiro Asai
- Department of Clinical Infectious Diseases, Aichi Medical University Hospital, Aichi, Japan; Department of Infection Control and Prevention, Aichi Medical University Hospital, Aichi, Japan
| | - Mao Hagihara
- Department of Molecular Epidemiology and Biomedical Sciences, Aichi Medical University Hospital, Aichi, Japan
| | - Nobunori Takahashi
- Department of Orthopedic Surgery, Aichi Medical University, Aichi, Japan
| | - Hiroshige Mikamo
- Department of Clinical Infectious Diseases, Aichi Medical University Hospital, Aichi, Japan; Department of Infection Control and Prevention, Aichi Medical University Hospital, Aichi, Japan
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Advances in the Microbiological Diagnosis of Prosthetic Joint Infections. Diagnostics (Basel) 2023; 13:diagnostics13040809. [PMID: 36832297 PMCID: PMC9954824 DOI: 10.3390/diagnostics13040809] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 01/31/2023] [Accepted: 02/17/2023] [Indexed: 02/25/2023] Open
Abstract
A significant number of prosthetic joint infections (PJI) are culture-negative and/or misinterpreted as aseptic failures in spite of the correct implementation of diagnostic culture techniques, such as tissue sample processing in a bead mill, prolonged incubation time, or sonication of removed implants. Misinterpretation may lead to unnecessary surgery and needless antimicrobial treatment. The diagnostic value of non-culture techniques has been investigated in synovial fluid, periprosthetic tissues, and sonication fluid. Different feasible improvements, such as real-time technology, automated systems and commercial kits are now available to support microbiologists. In this review, we describe non-culture techniques based on nucleic acid amplification and sequencing methods. Polymerase chain reaction (PCR) is a frequently used technique in most microbiology laboratories which allows the detection of a nucleic acid fragment by sequence amplification. Different PCR types can be used to diagnose PJI, each one requiring the selection of appropriate primers. Henceforward, thanks to the reduced cost of sequencing and the availability of next-generation sequencing (NGS), it will be possible to identify the whole pathogen genome sequence and, additionally, to detect all the pathogen sequences present in the joint. Although these new techniques have proved helpful, strict conditions need to be observed in order to detect fastidious microorganisms and rule out contaminants. Specialized microbiologists should assist clinicians in interpreting the result of the analyses at interdisciplinary meetings. New technologies will gradually be made available to improve the etiologic diagnoses of PJI, which will remain an important cornerstone of treatment. Strong collaboration among all specialists involved is essential for the correct diagnosis of PJI.
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Schoenmakers JWA, de Boer R, Gard L, Kampinga GA, van Oosten M, van Dijl JM, Jutte PC, Wouthuyzen-Bakker M. First evaluation of a commercial multiplex PCR panel for rapid detection of pathogens associated with acute joint infections. J Bone Jt Infect 2023; 8:45-50. [PMID: 36756306 PMCID: PMC9901515 DOI: 10.5194/jbji-8-45-2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Accepted: 12/23/2022] [Indexed: 01/19/2023] Open
Abstract
Background: prompt recognition and identification of the causative microorganism in acute septic arthritis of native and prosthetic joints is vital to increase the chances of successful treatment. The aim of this study was to independently assess the diagnostic accuracy of the multiplex BIOFIRE® Joint Infection (JI) Panel (investigational use only) in synovial fluid for rapid diagnosis. Methods: synovial fluid samples were collected at the University Medical Center Groningen from patients who had a clinical suspicion of a native septic arthritis, early acute (post-operative, within 3 months after arthroplasty) periprosthetic joint infection (PJI) or late acute (hematogenous, ≥ 3 months after arthroplasty) PJI. JI Panel results were compared to infection according to Musculoskeletal Infection Society criteria and culture-based methods as reference standard. Results: a total of 45 samples were analysed. The BIOFIRE JI Panel showed a high specificity (100 %, 95 % confidence interval (CI): 78-100) in all patient categories. Sensitivity was 83 % (95 % CI: 44-97) for patients with a clinical suspicion of native septic arthritis ( n = 12 ), 73 % (95 % CI: 48-89) for patients with a clinical suspicion of a late acute PJI ( n = 14 ), and 30 % (95 % CI: 11-60) for patients with a clinical suspicion of an early acute PJI ( n = 19 ). Conclusion: the results of this study indicate a clear clinical benefit of the BIOFIRE JI Panel in patients with a suspected native septic arthritis and late acute (hematogenous) PJI, but a low clinical benefit in patients with an early acute (post-operative) PJI due to the absence of certain relevant microorganisms, such as Staphylococcus epidermidis, from the panel.
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Affiliation(s)
- Jorrit Willem Adriaan Schoenmakers
- Department of Orthopaedic Surgery, University of Groningen,
University Medical Center Groningen (UMCG), Groningen, The Netherlands,Department of Medical Microbiology and Infection Prevention,
University of Groningen, UMCG, Groningen, The Netherlands
| | - Rosanne de Boer
- Department of Medical Microbiology and Infection Prevention,
University of Groningen, UMCG, Groningen, The Netherlands
| | - Lilli Gard
- Department of Medical Microbiology and Infection Prevention,
University of Groningen, UMCG, Groningen, The Netherlands
| | - Greetje Anna Kampinga
- Department of Medical Microbiology and Infection Prevention,
University of Groningen, UMCG, Groningen, The Netherlands
| | - Marleen van Oosten
- Department of Medical Microbiology and Infection Prevention,
University of Groningen, UMCG, Groningen, The Netherlands
| | - Jan Maarten van Dijl
- Department of Medical Microbiology and Infection Prevention,
University of Groningen, UMCG, Groningen, The Netherlands
| | - Paulus Christiaan Jutte
- Department of Orthopaedic Surgery, University of Groningen,
University Medical Center Groningen (UMCG), Groningen, The Netherlands
| | - Marjan Wouthuyzen-Bakker
- Department of Medical Microbiology and Infection Prevention,
University of Groningen, UMCG, Groningen, The Netherlands
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Tang H, Xu J, Yuan W, Wang Y, Yue B, Qu X. Reliable Diagnostic Tests and Thresholds for Preoperative Diagnosis of Non-Inflammatory Arthritis Periprosthetic Joint Infection: A Meta-analysis and Systematic Review. Orthop Surg 2022; 14:2822-2836. [PMID: 36181336 PMCID: PMC9627080 DOI: 10.1111/os.13500] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 08/19/2022] [Accepted: 08/23/2022] [Indexed: 02/06/2023] Open
Abstract
Objective The current diagnostic criteria for periprosthetic joint infection (PJI) are diverse and controversial, leading to delayed diagnosis. This study aimed to evaluate and unify their diagnostic accuracy and the threshold selection of serum and synovial routine tests for PJI at an early stage. Methods We searched the MEDLINE and Embase databases for retrospective or prospective studies which reported preoperative‐available assays (serum, synovial, or culture tests) for the diagnosis of chronic PJI among inflammatory arthritis (IA) or non‐IA populations from January 1, 2000 to June 30, 2022. Threshold effective analysis was performed on synovial polymorphonuclear neutrophils (PMN%), synovial white blood cell (WBC), serum C‐reactive protein (CRP), and erythrocyte sedimentation rate (ESR) to find the relevant cut‐offs. Results Two hundred and sixteen studies and information from 45,316 individuals were included in the final analysis. Synovial laboratory‐based α‐defensin and calprotectin had the best comprehensive sensitivity (0.91 [0.86–0.94], 0.95 [0.88–0.98]) and specificity (0.96 [0.94‐0.97], 0.95 [0.89–0.98]) values. According to the threshold effect analysis, the recommended cut‐offs are 70% (sensitivity 0.89 [0.85–0.92], specificity 0.90 [0.87–0.93]), 4100/μL (sensitivity 0.90 [0.87–0.93], specificity 0.97 [0.93–0.98]), 13.5 mg/L (sensitivity 0.84 [0.78–0.89], specificity 0.83 [0.73–0.89]), and 30 mm/h (sensitivity 0.79 [0.74–0.83], specificity 0.78 [0.72–0.83]) for synovial PMN%, synovial WBC, serum CRP, and ESR, respectively, and tests seem to be more reliable among non‐IA patients. Conclusions The laboratory‐based synovial α‐defensin and synovial calprotectin are the two best independent preoperative diagnostic tests for PJI. A cut off of 70% for synovial PMN% and tighter cut‐offs for synovial WBC and serum CRP could have a better diagnostic accuracy for non‐IA patients with chronic PJI.
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Affiliation(s)
- Haozheng Tang
- Department of Bone and Joint Surgery, Department of Orthopedics, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jialian Xu
- Department of Bone and Joint Surgery, Department of Orthopedics, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Wei'en Yuan
- Ministry of Education Engineering Research Center of Cell & Therapeutic Antibody, School of Pharmacy, Shanghai Jiao Tong University, Shanghai, China
| | - You Wang
- Department of Bone and Joint Surgery, Department of Orthopedics, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Bing Yue
- Department of Bone and Joint Surgery, Department of Orthopedics, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xinhua Qu
- Department of Bone and Joint Surgery, Department of Orthopedics, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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Cheok T, Smith T, Siddiquee S, Jennings MP, Jayasekera N, Jaarsma RL. Synovial fluid calprotectin performs better than synovial fluid polymerase chain reaction and interleukin-6 in the diagnosis of periprosthetic joint infection : a systematic review and meta-analysis. Bone Joint J 2022; 104-B:311-320. [PMID: 35227091 DOI: 10.1302/0301-620x.104b3.bjj-2021-1320.r1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
AIMS The preoperative diagnosis of periprosthetic joint infection (PJI) remains a challenge due to a lack of biomarkers that are both sensitive and specific. We investigated the performance characteristics of polymerase chain reaction (PCR), interleukin-6 (IL6), and calprotectin of synovial fluid in the diagnosis of PJI. METHODS We performed systematic search of PubMed, Embase, The Cochrane Library, Web of Science, and Science Direct from the date of inception of each database through to 31 May 2021. Studies which described the diagnostic accuracy of synovial fluid PCR, IL6, and calprotectin using the Musculoskeletal Infection Society criteria as the reference standard were identified. RESULTS Overall, 31 studies were identified: 20 described PCR, six described IL6, and five calprotectin. The sensitivity and specificity were 0.78 (95% confidence interval (CI) 0.67 to 0.86) and 0.97 (95% CI 0.94 to 0.99), respectively, for synovial PCR;, 0.86 (95% CI 0.74 to 0.92), and 0.94 (95% CI 0.90 to 0.96), respectively, for synovial IL6; and 0.94 (95% CI 0.82 to 0.98) and 0.93 (95% CI 0.85 to 0.97), respectively, for synovial calprotectin. Likelihood ratio scattergram analyses recommended clinical utility of synovial fluid PCR and IL6 as a confirmatory test only. Synovial calprotectin had utility in the exclusion and confirmation of PJI. CONCLUSION Synovial fluid PCR and IL6 had low sensitivity and high specificity in the diagnosis of PJI, and is recommended to be used as confirmatory test. In contrast, synovial fluid calprotectin had both high sensitivity and specificity with utility in both the exclusion and confirmation of PJI. We recommend use of synovial fluid calprotectin studies in the preoperative workup of PJI. Cite this article: Bone Joint J 2022;104-B(3):311-320.
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Affiliation(s)
- Tim Cheok
- Department of Trauma and Orthopaedics, Alice Springs Hospital, Alice Springs, Australia
| | - Thomas Smith
- Department of Trauma and Orthopaedics, Alice Springs Hospital, Alice Springs, Australia.,College of Medicine and Public Health, Flinders University College of Medicine and Public Health, Bedford Park, Australia
| | - Shihab Siddiquee
- Department of Anatomical Pathology, Royal Adelaide Hospital, Adelaide, Australia.,Faculty of Health and Medical Sciences, The University of Adelaide, Adelaide, South Australia, Australia
| | - Matthew P Jennings
- Department of Trauma and Orthopaedics, Alice Springs Hospital, Alice Springs, Australia
| | - Narlaka Jayasekera
- Department of Trauma and Orthopaedics, Alice Springs Hospital, Alice Springs, Australia
| | - Ruurd L Jaarsma
- Department of Trauma and Orthopaedics, Alice Springs Hospital, Alice Springs, Australia.,College of Medicine and Public Health, Flinders University College of Medicine and Public Health, Bedford Park, Australia.,Department of Orthopaedic Sugery, Flinders Medical Centre, Bedford Park, Australia
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Diagnostic accuracy of multiplex polymerase chain reaction on tissue biopsies in periprosthetic joint infections. Sci Rep 2021; 11:19487. [PMID: 34593961 PMCID: PMC8484603 DOI: 10.1038/s41598-021-99076-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Accepted: 09/15/2021] [Indexed: 11/08/2022] Open
Abstract
The diagnosis and treatment of periprosthetic joint infection (PJI) currently relies on cultures, which are time-consuming and often fail. Multiplex PCR assays promise reliable and prompt results, but have been heterogeneously evaluated. In this study, we analyse multiplex PCR in pathogen identification using only tissue biopsies. 42 patients after revision arthroplasty of the hip or knee were evaluated using multiplex PCR to identify microorganisms. The patients were classified according to the diagnostic criteria published by Zimmerli et al. and the results were compared to the respective microbiological cultures. PJI was detected in 15 patients and 27 revisions were aseptic. The multiplex PCR of tissue biopsies had a sensitivity of 0.3 (95% CI 0.12-0.62), a specificity of 1.0 (0.87-1.0), a positive predictive value of 1.0 (0.48-1.0) and a negative predictive value of 0.73 (0.56-0.86). The diagnostic accuracy of multiplex PCR on tissue biopsy samples is low in comparison to routine microbiological cultures. The evaluation of tissue biopsies using multiplex PCR was prone to false negative results. However, multiplex PCR assays have the advantage of rapid pathogen identification. We therefore recommend further investigation of multiplex PCR in the setting of suspected PJI with a careful choice of specimens.
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Van Belkum A, Gros MF, Ferry T, Lustig S, Laurent F, Durand G, Jay C, Rochas O, Ginocchio CC. Novel strategies to diagnose prosthetic or native bone and joint infections. Expert Rev Anti Infect Ther 2021; 20:391-405. [PMID: 34384319 DOI: 10.1080/14787210.2021.1967745] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
INTRODUCTION Bone and Joint Infections (BJI) are medically important, costly and occur in native and prosthetic joints. Arthroplasties will increase significantly in absolute numbers over time as well as the incidence of Prosthetic Joint Infections (PJI). Diagnosis of BJI and PJI is sub-optimal. The available diagnostic tests have variable effectiveness, are often below standard in sensitivity and/or specificity, and carry significant contamination risks during the collection of clinical samples. Improvement of diagnostics is urgently needed. AREAS COVERED We provide a narrative review on current and future diagnostic microbiology technologies. Pathogen identification, antibiotic resistance detection, and assessment of the epidemiology of infections via bacterial typing are considered useful for improved patient management. We confirm the continuing importance of culture methods and successful introduction of molecular, mass spectrometry-mediated and next-generation genome sequencing technologies. The diagnostic algorithms for BJI must be better defined, especially in the context of diversity of both disease phenotypes and clinical specimens rendered available. EXPERT OPINION Whether interventions in BJI or PJI are surgical or chemo-therapeutic (antibiotics and bacteriophages included), prior sensitive and specific pathogen detection remains a therapy-substantiating necessity. Innovative tests for earlier and more sensitive and specific detection of bacterial pathogens in BJI are urgently needed.
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Affiliation(s)
- Alex Van Belkum
- bioMérieux, Open Innovation and Partnerships, 3 Route De Port Michaud, La Balme Les Grottes, France
| | | | - Tristan Ferry
- Service Des Maladies Infectieuses Et Tropicales, Hospices Civils De Lyon, Hôpital De La Croix-Rousse, Lyon, France.,Maladies Infectieuses, Université Claude Bernard Lyon 1, Villeurbanne, France.,Centre Interrégional De Référence Pour La Prise En Charge Des Infections Ostéo-articulaires Complexes (Crioac Lyon), Hôpital De La Croix-Rousse, Lyon, France.,Ciri - Centre International De Recherche En Infectiologie, Inserm, U1111, Université́ Claude Bernard Lyon 1CNRS, UMR5308, Ecole Normale Supérieure De Lyon, Univ Lyon, Lyon, France
| | - Sebastien Lustig
- Maladies Infectieuses, Université Claude Bernard Lyon 1, Villeurbanne, France.,Service De Chirurgie Orthopédique, Hôpital De La Croix-Rousse, Lyon, France
| | - Frédéric Laurent
- Service Des Maladies Infectieuses Et Tropicales, Hospices Civils De Lyon, Hôpital De La Croix-Rousse, Lyon, France.,Ciri - Centre International De Recherche En Infectiologie, Inserm, U1111, Université́ Claude Bernard Lyon 1CNRS, UMR5308, Ecole Normale Supérieure De Lyon, Univ Lyon, Lyon, France
| | | | - Corinne Jay
- bioMérieux, BioFire Development Emea, Grenoble, France
| | - Olivier Rochas
- Corporate Business Development, bioMérieux, Marcy-l'Étoile, France
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Ruling out underlying infection in 200 presumed aseptic knee and hip revision arthroplasties using a multiplex PCR system. Eur J Clin Microbiol Infect Dis 2021; 40:1283-1290. [PMID: 33479882 DOI: 10.1007/s10096-021-04155-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2020] [Accepted: 01/07/2021] [Indexed: 10/22/2022]
Abstract
Ruling out an infection in one-stage knee and hip revisions for presumed aseptic failure by conventional tissue cultures takes up to 14 days. Multiplex polymerase chain reaction (mPCR) is a quick test (4-5 h) for detecting pathogens. The purpose of this study was to evaluate the diagnostic accuracy of an automated mPCR of synovial fluid obtained intraoperatively in unsuspected knee and hip revisions. A prospective study was conducted with 200 patients undergoing a one-stage knee or hip revision. Synovial fluid was analyzed with the mPCR Unyvero implant and tissue infection G2 cartridge (U-ITI G2) system and compared to intraoperative tissue cultures. The primary outcome measure was the diagnostic accuracy, including sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV), of the mPCR U-ITI G2 system compared to conventional cultures. In the knee revision group, there were no patients with a positive mPCR in combination with positive cultures. This resulted in a non-calculable sensitivity and PPV. The specificity and NPV in the knee revision group of the mPCR compared to tissue cultures was 96.8% and 96.8%, respectively. In the hip revision group, the sensitivity, specificity, PPV, and NPV of the mPCR compared to tissue cultures was 36.4%, 96.6%, 57.1%, and 92.5%, respectively. Sixteen mismatches occurred between the mPCR and tissue cultures. The mPCR U-ITI G2 system is a quick and reliable synovium fluid test for ruling out infection in presumed aseptic knee and hip revisions with a high NPV compared with tissue cultures, although some mismatches were observed. Periprosthetic tissue cultures are still advised as back-up for false negative and positive mPCR test results.
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Kildow BJ, Ryan SP, Danilkowicz R, Lazarides AL, Vovos TJ, Bolognesi MP, Jiranek WA, Seyler TM. Commercially Available Polymerase Chain Reaction Has Minimal Utility in the Diagnosis of Periprosthetic Joint Infection. Orthopedics 2020; 43:333-338. [PMID: 33002175 DOI: 10.3928/01477447-20200923-01] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Accepted: 08/10/2020] [Indexed: 02/03/2023]
Abstract
The use of genetic sequencing modalities in the diagnosis of periprosthetic joint infection (PJI) and the identification of organisms has gained popularity recently. Polymerase chain reaction (PCR) offers timely results for common organisms. The purpose of this study was to compare the accuracy of broad-range PCR, conventional culture, the Musculoskeletal Infection Society (MSIS) criteria, and the recently proposed criteria by Parvizi et al in the diagnosis of PJI. In this retrospective study, aspirate or tissue samples were collected in 104 revision and 86 primary arthroplasties for routine diagnostic workup for PJI and sent to the laboratory for PCR. Concordance along with statistical differences between diagnostic studies were calculated using chi-square test for categorical data. On comparison with the MSIS criteria, concordance was significantly lower for PCR at 64.7% compared with 86.3% for culture (P<.001). There was no significant difference based on diagnosis of prior infection (P=.706) or sample collection method (tissue swab or synovial fluid) (P=.316). Of the 87 patients who met MSIS criteria, only 20 (23.0%) PCR samples had an organism identified. In this series, PCR had little utility as a stand-alone test for the diagnosis of PJI, with a sensitivity of only 23.0% when using MSIS criteria as the gold standard. Polymerase chain reaction also appears to be significantly less accurate than culture in the diagnosis of PJI. Currently, several laboratory tests used for either criteria for PJI diagnosis should be obtained along with the overall clinical picture to help guide decision-making for PJI treatment. [Orthopedics. 2020;43(6):333-338.].
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12
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First evaluation of the automated-multiplex-PCR Unyvero ITI G2 cartridge for rapid diagnosis of osteo-articular infections. Infect Dis Now 2020; 51:179-186. [PMID: 33010353 DOI: 10.1016/j.medmal.2020.09.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Revised: 01/28/2020] [Accepted: 09/24/2020] [Indexed: 11/21/2022]
Abstract
OBJECTIVE Conventional microbiological methods (CMM), including long-term culture, for the diagnosis of osteo-articular infections (OAI) fail in at least 5% of all cases. Only one IOA dedicated molecular method has been commercialized, and only the first version of this kit has been studied. The aim of this work was to evaluate the concordance between test results obtained with the second version of the Unyvero ITI G2 cartridge (Curetis) and CMM. The cartridge, combining one-step automated lysis/DNA extraction with multiplex PCR and amplicon detection by array hybridization, allows for the detection of 102 prevalent pathogens and their antibiotic resistance markers directly in clinical specimens (liquid [n=8] or solid [n=32]). MATERIAL AND METHODS Frozen samples from 40 patients who underwent orthopedic surgery at Pitié-Salpêtrière hospital were tested retrospectively with the cartridge: 5 were culture-negative, 25 revealed monomicrobial and 10 polymicrobial OAI. The 2 main surgical sites were hip (22.5%) and knee (17.5%). RESULTS Extraction, amplification and hybridization reactions were completed in 28 of the 40 cases, failed in all cartridge chambers in 6 cases, and in 1 or 2 chambers in an additional 6 cases. Overall sensitivity and specificity for microorganism identification were estimated at 67.6% and 98.2%, when complete and partial failures were excluded. CONCLUSIONS These results show that the performances of the second version of the Unyvero ITI G2 cartridge should be further enhanced before considering avoiding conventional microbiological methods.
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13
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Lausmann C, Kolle KN, Citak M, Abdelaziz H, Schulmeyer J, Delgado GD, Gehrke T, Gebauer M, Zahar A. How reliable is the next generation of multiplex-PCR for diagnosing prosthetic joint infection compared to the MSIS criteria? Still missing the ideal test. Hip Int 2020; 30:72-77. [PMID: 32907419 DOI: 10.1177/1120700020938576] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
INTRODUCTION Identification of the pathogen in case of a periprosthetic joint infection (PJI) remains 1 of the greatest challenges in septic surgery. Rapid germ identification enables timely, specific, antimicrobial therapy. The first multiplex PCR (polymerase chain reaction) generation (Unyvero-i60) enables germ detection within 5 hours with a sensitivity of 78.8% and a specificity of 100%. The aim of this study is to investigate the performance of the new generation of cartridges (Unyvero-ITI) of multiplex PCR in the case of a PJI. METHODS In a prospective study, intraoperatively aspirated synovial fluid from 97 patients with aseptic or septic hip or knee revision surgery (49 aseptic, 48 septic) was examined with the multiplex PCR system (Unyvero-ITI) and the results were compared with the MSIS criteria. In addition, the time until the microbiological result was obtained in the event of a germ detection was documented. RESULTS The multiplex PCR showed a germ detection with a sensitivity of 85.1% and a specificity of 98.0%. In 7 cases a false negative result was found and in one patient a false positive result was found. The general accuracy of this test procedure was 91.8%. The detection of germs was carried out within 5 hours with the multiplex PCR compared to 4.9 days in conventional microbiological diagnostics. CONCLUSIONS The new generation of multiplex-PCR was able to improve germ detection. The possibility of prompt detection of germs offers the option of faster, targeted antimicrobial therapy. This diagnostic tool offers significant advantages, particularly in the context of an acute periprosthetic infection.
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Affiliation(s)
- Christian Lausmann
- Department of Orthopaedic Surgery, Helios ENDO-Klinik Hamburg, Hamburg, Germany
| | - Kim Niklas Kolle
- Department of Orthopaedic Surgery, Helios ENDO-Klinik Hamburg, Hamburg, Germany
| | - Mustafa Citak
- Department of Orthopaedic Surgery, Helios ENDO-Klinik Hamburg, Hamburg, Germany
| | - Hussein Abdelaziz
- Department of Orthopaedic Surgery, Helios ENDO-Klinik Hamburg, Hamburg, Germany
| | - Juan Schulmeyer
- Department of Orthopaedic Surgery, Helios ENDO-Klinik Hamburg, Hamburg, Germany.,Department of Orthopaedic Surgery, Hospital Barros Luco Trudeau, Santiago, Chile
| | - Gio D Delgado
- Department of Orthopaedic Surgery, Helios ENDO-Klinik Hamburg, Hamburg, Germany.,Department of Orthopaedics, Philippine General Hospital, University of the Philippines Manila, Manila, Philippines
| | - Thorsten Gehrke
- Department of Orthopaedic Surgery, Helios ENDO-Klinik Hamburg, Hamburg, Germany
| | - Matthias Gebauer
- Department of Orthopaedic Surgery, Roland Klinik, Bremen, Germany
| | - Akos Zahar
- Department of Orthopaedic Surgery and Traumatology, Helios Klinikum Emil von Behring, Berlin, Germany
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14
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Dobrovol'skaya NY, Prishchepa NP, Preobrazhenskaya EV, Pchelova NN. [PCR research as an auxiliary method for diagnostics of periphresitical infection after endostreditision of joints (clinical case).]. Klin Lab Diagn 2020; 65:332-336. [PMID: 32298552 DOI: 10.18821/0869-2084-2020-65-5-332-336] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Accepted: 01/27/2020] [Indexed: 12/15/2022]
Abstract
Periprosthetic infection (PPI) after arthroplasty of large joints is the third (among the main causes of unsatisfactory results of surgical treatment) a serious threat to the health of patients. The «gold standard» for the diagnosis of PPI is the bacteriological examination of samples of periprosthetic tissues and synovial fluid. In 10-30% of cases, it is impossible to isolate microorganisms, which is explained by the difficulty of cultivation and taking antibiotics before sampling. The purpose of study is to demonstrate the diagnostic value of PCR diagnostics for identifying the genetic material of an infectious pathogen of a culture-negative periprosthetic infection. Material of the study is a description of a clinical case of a culture-negative periprosthetic infection that caused a second two-stage revision of the hip joint prosthesis In the first episode of PPI that occurred 3 years after hip replacement, a microbiological examination of the puncture of the trochanteric zone of the operated joint revealed a massive increase in methicillin-resistant Staphylococcus epidermidis (MRSE). A two-stage revision joint replacement was performed. 5 years after the revision, the patient was hospitalized with clinical and radiological signs of PPI, while examining the puncture of the joint revealed characteristic PPI cytosis. Microbiological examination of punctate and intraoperative aspirate at the first stage of the repeated two-stage revision endoprosthesis replacement did not reveal aerobic and anaerobic microorganisms. In PCR studies, the DNA of methicillin-sensitive Staphylococcus aureus (MSSA) was detected in washouts from the removed components of the endoprosthesis; no resistance marker (mecA gene) was found. Given the concomitant oncological disease, this result determined the appointment of pathogenetic antibiotic therapy, the effectiveness of which was confirmed after 8 weeks at the II stage of revision. The PCR study of joint and trochanteric punctures (before surgery), flushing from the removed spacer components (after ultrasound treatment) and intraoperative aspirate from the joint did not reveal Staphylococcus aureus DNA and resistance marker (mecA gene). In some cases of periprosthetic infection, traumatologists and orthopedists deal with culturally negative results of a microbiological study of the patient's biomaterial and swabs from the components of endoprostheses in the presence of clinical manifestations of PPI, confirmed by laboratory diagnostics and X-ray examination. According to the literature, such clinical situations are observed in 10-30% of cases and are caused by previous antibiotic therapy in the early stages of an infectious complication. After surgical treatment of PPI for the selection of adequate antibiotic therapy, such patients need to at least indirectly determine the type of infection pathogen, which is achieved by the use of additional diagnostic methods, such as a PRC study. In the case described by us, after a course of antibiotic therapy, prescribed according to the results of the first PCR study, the patient's body does not contain DNA traces of the desired infectious agent. Thus, the repeated PCR not only confirmed the accuracy of the initial diagnosis of the source of infection, but also further illustrated the success of the rehabilitation of the periprosthetic infection using a correctly selected antibacterial drug at the previous stage of the study. The use of the PCR method made it possible to diagnose the pathogen and prescribe adequate antibiotic therapy for culture-negative periprosthetic infection.
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Affiliation(s)
- N Y Dobrovol'skaya
- Federal State Budgetary Institution Federal Center of Traumatology, Orthopedics and endoprosthesis replacement of Ministry of Health of the Russian Federation, 428020, Cheboksary, Chuvash Republic, Russia
| | - N P Prishchepa
- Federal State Budgetary Institution Federal Center of Traumatology, Orthopedics and endoprosthesis replacement of Ministry of Health of the Russian Federation, 428020, Cheboksary, Chuvash Republic, Russia
| | - E V Preobrazhenskaya
- Federal State Budgetary Institution Federal Center of Traumatology, Orthopedics and endoprosthesis replacement of Ministry of Health of the Russian Federation, 428020, Cheboksary, Chuvash Republic, Russia
| | - N N Pchelova
- Federal State Budgetary Institution Federal Center of Traumatology, Orthopedics and endoprosthesis replacement of Ministry of Health of the Russian Federation, 428020, Cheboksary, Chuvash Republic, Russia
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15
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Suren C, Feihl S, Cabric S, Banke IJ, Haller B, Trampuz A, von Eisenhart-Rothe R, Prodinger PM. Improved pre-operative diagnostic accuracy for low-grade prosthetic joint infections using second-generation multiplex Polymerase chain reaction on joint fluid aspirate. INTERNATIONAL ORTHOPAEDICS 2020; 44:1629-1637. [PMID: 32296908 PMCID: PMC7452934 DOI: 10.1007/s00264-020-04552-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Accepted: 03/26/2020] [Indexed: 12/19/2022]
Abstract
BACKGROUND A major obstacle for the treatment of prosthetic joint infection (PJI) is the identification of the underlying causative organism. While the diagnostic criteria ruling PJI in or out have become ever more accurate, the detection of the causative pathogen(s) still relies mostly on conventional and time-consuming microbial culture. The aim of this study was to evaluate the diagnostic potential of a second-generation multiplex PCR assay (Unyvero ITI G2, Curetis AG, Holzgerlingen, Germany) used on synovial fluid specimens. Our hypothesis was that the method would yield a higher diagnostic accuracy in the pre-operative workup than synovial fluid culture. Thus, a more precise classification of septic and aseptic prosthesis failure could be achieved before revision surgery. METHODS Prospectively collected frozen joint fluid specimens from 26 patients undergoing arthroplasty revision surgery of the hip or knee were tested as per the manufacturer's protocol. Sensitivities, specificities, positive and negative predictive values as well as positive and negative likelihood ratios with corresponding confidence intervals were estimated using the statistical software R. A combination of the serum C-reactive protein (CRP) level, leukocyte count, erythrocyte sedimentation rate, joint fluid culture, tissue biopsy culture, and tissue biopsy histology served as the gold standard. RESULTS Of the 26 patients included in the study, 15 were infected and 11 were aseptic. Conventional joint fluid culture showed a sensitivity of 0.67 and a specificity of 0.91. Joint fluid multiplex PCR yielded a sensitivity of 0.8 and a specificity of 1.0. CONCLUSIONS Using the second-generation Unyvero ITI cartridge on joint fluid aspirate for the detection of prosthetic joint infection, we were able to achieve a higher diagnostic accuracy than with conventional culture. We conclude that to improve pathogen detection before revision surgery, this method represents a valuable and practicable tool.
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Affiliation(s)
- Christian Suren
- Klinik und Poliklinik für Orthopädie und Sportorthopädie, Klinikum rechts der Isar der Technischen Universität München, Ismaninger Str. 22, 81675, Munich, Germany.
| | - Susanne Feihl
- Institut für Medizinische Mikrobiologie, Immunologie und Hygiene, Technische Universität München, Trogerstr. 30, 81675, Munich, Germany
| | - Sabrina Cabric
- Centrum für Muskuloskeletale Chirurgie (CMSC), Charité-Universitätsmedizin Berlin, Charitéplatz 1, 10117, Berlin, Germany
| | - Ingo J Banke
- Klinik und Poliklinik für Orthopädie und Sportorthopädie, Klinikum rechts der Isar der Technischen Universität München, Ismaninger Str. 22, 81675, Munich, Germany
| | - Bernhard Haller
- Institut für medizinische Informatik, Statistik und Epidemiologie, Technische Universität München, Grillparzerstr. 18, 81675, Munich, Germany
| | - Andrej Trampuz
- Centrum für Muskuloskeletale Chirurgie (CMSC), Charité-Universitätsmedizin Berlin, Charitéplatz 1, 10117, Berlin, Germany
| | - Rüdiger von Eisenhart-Rothe
- Klinik und Poliklinik für Orthopädie und Sportorthopädie, Klinikum rechts der Isar der Technischen Universität München, Ismaninger Str. 22, 81675, Munich, Germany
| | - Peter M Prodinger
- Klinik und Poliklinik für Orthopädie und Sportorthopädie, Klinikum rechts der Isar der Technischen Universität München, Ismaninger Str. 22, 81675, Munich, Germany
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Aamot HV, Johnsen BO, Skråmm I. Rapid diagnostics of orthopedic implant-associated infections using Unyvero ITI implant and tissue infection application is not optimal for Staphylococcus species identification. BMC Res Notes 2019; 12:725. [PMID: 31694724 PMCID: PMC6836655 DOI: 10.1186/s13104-019-4755-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Accepted: 10/18/2019] [Indexed: 12/14/2022] Open
Abstract
Objectives This pilot study aimed to compare the commercial Unyvero ITI multiplex PCR application (U-ITI, Curetis GmbH) with conventional culturing concerning (a) detection of pathogens, (b) time to detection of pathogens and (c) time to and quality of antibiotic treatment recommendation in diagnostics of orthopedic implant-associated infections (OIAI). Results 72 tissue biopsies from 15 consecutive patients with deep OIAI infections were analyzed with conventional culturing including phenotypic antibiotic susceptibility testing and the U-ITI. U-ITI showed lower sensitivity than conventional culturing concerning detection of pathogens (73% vs 93%). 4/15 patients would have been given false negative results by U-ITI, all of which were culture-positive for Staphylococcus species. Median time to detection of pathogens was 47 h and antibiotic resistance 89 h by conventional methods compared to 13.5 h with the U-ITI. The U-ITI did not detect antibiotic resistance, whereas conventional culturing showed resistance to antibiotics covered by the U-ITI panel in 2 patients. Time to detection of pathogens was improved, but the detection limit for staphylococci was unsatisfactory. Although the time to antibiotic treatment recommendation was significantly reduced, the U-ITI would have resulted in incorrect antibiotic recommendation in 2 patients. Our data do not support use of this assay in diagnostics.
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Affiliation(s)
- Hege Vangstein Aamot
- Department of Microbiology and Infection Control, Akershus University Hospital, Lørenskog, Norway. .,Department of Clinical Molecular Biology (Epigen), Akershus University Hospital and University of Oslo, Lørenskog, Norway.
| | - Bjørn Odd Johnsen
- Department of Microbiology and Infection Control, Akershus University Hospital, Lørenskog, Norway.,Department of Medicine, Vestre Viken Hospital Trust, Ringerike Hospital, Hønefoss, Norway
| | - Inge Skråmm
- Department of Orthopedic Surgery, Akershus University Hospital, Lørenskog, Norway
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17
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Carli AV, Abdelbary H, Ahmadzai N, Cheng W, Shea B, Hutton B, Sniderman J, Philip Sanders BS, Esmaeilisaraji L, Skidmore B, Gauthier-Kwan OY, Bunting AC, Gauthier P, Crnic A, Logishetty K, Moher D, Fergusson D, Beaulé PE. Diagnostic Accuracy of Serum, Synovial, and Tissue Testing for Chronic Periprosthetic Joint Infection After Hip and Knee Replacements: A Systematic Review. J Bone Joint Surg Am 2019; 101:635-649. [PMID: 30946198 DOI: 10.2106/jbjs.18.00632] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND Chronic periprosthetic joint infection (PJI) is a devastating complication that can occur following total joint replacement. Patients with chronic PJI report a substantially lower quality of life and face a higher risk of short-term mortality. Establishing a diagnosis of chronic PJI is challenging because of conflicting guidelines, numerous tests, and limited evidence. Delays in diagnosing PJI are associated with poorer outcomes and morbid revision surgery. The purpose of this systematic review was to compare the diagnostic accuracy of serum, synovial, and tissue-based tests for chronic PJI. METHODS This review adheres to the Cochrane Collaboration's diagnostic test accuracy methods for evidence searching and syntheses. A detailed search of MEDLINE, Embase, the Cochrane Library, and the grey literature was performed to identify studies involving the diagnosis of chronic PJI in patients with hip or knee replacement. Eligible studies were assessed for quality and bias using the Quality Assessment of Diagnostic Accuracy Studies-2 (QUADAS-2) tool. Meta-analyses were performed on tests with sufficient data points. Summary estimates and hierarchical summary receiver operating characteristic (HSROC) curves were obtained using a bivariate model. RESULTS A total of 12,616 citations were identified, and 203 studies met the inclusion criteria. Of these 203 studies, 170 had a high risk of bias. Eighty-three unique PJI diagnostic tests were identified, and 17 underwent meta-analyses. Laboratory-based synovial alpha-defensin tests and leukocyte esterase reagent (LER) strips (2+) had the best performance, followed by white blood-cell (WBC) count, measurement of synovial C-reactive protein (CRP) level, measurement of the polymorphonuclear neutrophil percentage (PMN%), and the alpha-defensin lateral flow test kit (Youden index ranging from 0.78 to 0.94). Tissue-based tests and 3 serum tests (measurement of interleukin-6 [IL-6] level, CRP level, and erythrocyte sedimentation rate [ESR]) had a Youden index between 0.61 to 0.75 but exhibited poorer performance compared with the synovial tests mentioned above. CONCLUSIONS The quality of the literature pertaining to chronic PJI diagnostic tests is heterogeneous, and the studies are at a high risk for bias. We believe that greater transparency and more complete reporting in studies of diagnostic test results should be mandated by peer-reviewed journals. The available literature suggests that several synovial fluid-based tests perform well for diagnosing chronic PJI and their use is recommended in the work-up of any suspected case of chronic PJI. LEVEL OF EVIDENCE Diagnostic Level III. See Instructions for Authors for a complete description of levels of evidence.
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Affiliation(s)
- Alberto V Carli
- Division of Orthopaedic Surgery, The Ottawa Hospital, Ottawa, Ontario, Canada
| | - Hesham Abdelbary
- Division of Orthopaedic Surgery, The Ottawa Hospital, Ottawa, Ontario, Canada
| | - Nadera Ahmadzai
- Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
| | - Wei Cheng
- Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
| | - Beverley Shea
- Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada.,School of Epidemiology, Public Health and Preventive Medicine, University of Ottawa, Ottawa, Ontario, Canada
| | - Brian Hutton
- Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada.,School of Epidemiology, Public Health and Preventive Medicine, University of Ottawa, Ottawa, Ontario, Canada
| | - Jhase Sniderman
- Division of Orthopaedic Surgery, The Ottawa Hospital, Ottawa, Ontario, Canada
| | | | - Leila Esmaeilisaraji
- Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
| | - Becky Skidmore
- Independent Information Specialist, Ottawa, Ontario, Canada
| | | | | | - Paul Gauthier
- Division of Orthopaedic Surgery, The Ottawa Hospital, Ottawa, Ontario, Canada
| | - Agnes Crnic
- Division of Orthopaedic Surgery, The Ottawa Hospital, Ottawa, Ontario, Canada
| | | | - David Moher
- Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
| | - Dean Fergusson
- Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
| | - Paul E Beaulé
- Division of Orthopaedic Surgery, The Ottawa Hospital, Ottawa, Ontario, Canada
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18
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Shohat N, Goswami K, Tan TL, Henstenburg B, Makar G, Rondon AJ, Parvizi J. Fever and Erythema are Specific Findings in Detecting Infection Following Total Knee Arthroplasty. J Bone Jt Infect 2019; 4:92-98. [PMID: 31011514 PMCID: PMC6470654 DOI: 10.7150/jbji.30088] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Accepted: 10/26/2018] [Indexed: 12/13/2022] Open
Abstract
Current diagnostic modalities are based almost exclusively on laboratory findings and the role of clinical presentation remains unknown. The purpose of this study was to examine the diagnostic value of clinical presentation in detecting periprosthetic joint infection (PJI). This study evaluated 279 patients undergoing revision surgery for failed total knee arthroplasty (TKA) between 2001-2016. Patients were classified as undergoing septic revisions based on major MSIS criteria. Aseptic revisions were defined as cases of single stage revision that did not have suspected PJI, fulfill MSIS criteria, or subsequently fail within one year of follow-up. Clinical presentation included pain, fever, presence of joint effusion or erythema, and reduced range of motion. Serum and synovial laboratory markers were also evaluated. The diagnostic value of each test was assessed and a Fagan's nomogram was constructed. A subset of MSIS-negative patients was used to demonstrate the value of various clinical presentations in detecting PJI. Post-test probability for infection was calculated taking into account clinical presentation together with serum and synovial markers. Our results show that fever and erythema are the most important signs for diagnosing PJI with a positive likelihood ratio (LR) of 10.78 and 8.08, respectively. Effusion had a LR of 2.42. Pain and reduced ROM were not as strongly correlated with PJI diagnosis; LR was 1.02 and 1.51. Of the 35 MSIS-negative patients treated for PJI, 33 had a post-test probability of infection greater than 90% when taking clinical presentation into account. Clinical presentation should be used to guide which future diagnostic tests should be ordered and in the interpretation of their results. Our results indicate that pain, fever, presence of joint effusion or erythema, and reduced range of motion should prompt further workup for infection. We propose a nomogram that may be used in interoperating their individual weight together with laboratory findings. Fever and erythema are highly specific findings in patients with PJI and future studies should assess whether they may be added as minor criteria to current definitions for infection.
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Affiliation(s)
- Noam Shohat
- The Rothman Institute at Thomas Jefferson University, Philadelphia, PA 19107
- Sackler Faculty of Medicine, Tel Aviv University, Ramat Aviv, Israel
| | - Karan Goswami
- The Rothman Institute at Thomas Jefferson University, Philadelphia, PA 19107
| | - Timothy L Tan
- The Rothman Institute at Thomas Jefferson University, Philadelphia, PA 19107
| | - Brian Henstenburg
- The Rothman Institute at Thomas Jefferson University, Philadelphia, PA 19107
| | - Gabriel Makar
- The Rothman Institute at Thomas Jefferson University, Philadelphia, PA 19107
| | - Alexander J Rondon
- The Rothman Institute at Thomas Jefferson University, Philadelphia, PA 19107
| | - Javad Parvizi
- The Rothman Institute at Thomas Jefferson University, Philadelphia, PA 19107
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19
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General Assembly, Diagnosis, Pathogen Isolation: Proceedings of International Consensus on Orthopedic Infections. J Arthroplasty 2019; 34:S207-S214. [PMID: 30348573 DOI: 10.1016/j.arth.2018.09.072] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
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20
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van der Naald N, Smeeing DPJ, Houwert RM, Hietbrink F, Govaert GAM, van der Velde D. Brodie's Abscess: A Systematic Review of Reported Cases. J Bone Jt Infect 2019; 4:33-39. [PMID: 30755846 PMCID: PMC6367194 DOI: 10.7150/jbji.31843] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Accepted: 12/28/2018] [Indexed: 12/12/2022] Open
Abstract
Introduction: Brodie's abscess is a form of osteomyelitis. Since its first appearance in the medical literature in 1832, numerous cases have been described. The aim of this article is to provide the first comprehensive overview of published cases of Brodie's abscess, and to describe diagnostic methods, therapeutic consequences and outcomes. Methods: According to PRISMA guidelines a systematic review of the literature was performed. All published data in English or Dutch were considered for inclusion with no limitations on publication date. Data was extracted on demography, duration of symptoms, signs of inflammation, diagnostic imaging, causative agent, treatment and follow-up. Results: A total of 70 articles were included, reporting on a total of 407 patients, mostly young (median age 17) males (male:female ratio 2.1:1). The median duration of symptoms before diagnosis was 12 weeks (SD 26). Mostly consisting of pain (98%) and/or swelling (53%). 84% of all patients were afebrile, and less than 50% had elevated serum inflammation markers. Diagnosis was made with a combination of imaging modalities: plain X-ray in 96%, MRI (16%) and CT-scan (8%). Treatment consisted of surgery in 94% of the cases, in conjunction with long term antibiotics in 77%. Staphylococcus aureus was the pathogen most often found in the culture (67,3%). Outcome was generally reported as favorable. Recurrence was reported in 15,6% of the cases requiring further intervention. Two cases developed permanent disability. Conclusion: Brodie's abscess has an insidious onset as systemic inflammatory signs and symptoms were often not found. Treatment consisted mostly of surgery followed by antibiotics (77%) or only surgery (17%) and outcomes were generally reported as favourable.
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Affiliation(s)
- Niels van der Naald
- St Antonius Hospital Nieuwegein, Department of Surgery, The Netherlands.,University Medical Center Utrecht, Department of Surgery, The Netherlands
| | - Diederik P J Smeeing
- St Antonius Hospital Nieuwegein, Department of Surgery, The Netherlands.,University Medical Center Utrecht, Department of Surgery, The Netherlands
| | - Roderick M Houwert
- University Medical Center Utrecht, Department of Surgery, The Netherlands.,Traumacenter Utrecht, The Netherlands
| | - Falco Hietbrink
- University Medical Center Utrecht, Department of Surgery, The Netherlands.,Traumacenter Utrecht, The Netherlands
| | - Geertje A M Govaert
- University Medical Center Utrecht, Department of Surgery, The Netherlands.,Traumacenter Utrecht, The Netherlands
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21
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Kuo FC, Lu YD, Wu CT, You HL, Lee GB, Lee MS. Comparison of molecular diagnosis with serum markers and synovial fluid analysis in patients with prosthetic joint infection. Bone Joint J 2018; 100-B:1345-1351. [PMID: 30295521 DOI: 10.1302/0301-620x.100b10.bjj-2018-0096.r1] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
AIMS The aim of this study was to compare the results of 16S/28S rRNA sequencing with the erythrocyte sedimentation rate (ESR), C-reactive protein (CRP) level, and synovial fluid analysis in the diagnosis of prosthetic joint infection (PJI). PATIENTS AND METHODS Between September 2015 and August 2016, 214 consecutive patients were enrolled. In the study population, there were 25 patients with a PJI and 189 controls. Of the PJI patients, 14 (56%) were women, and the mean age at the time of diagnosis was 65 years (38 to 83). The ESR and CRP levels were measured, and synovial fluid specimens were collected prospectively. Synovial fluid was subjected to reverse transcription polymerase chain reaction (RT-PCR)/sequence analysis targeting the 16S/28S rRNA, and to conventional culture. Laboratory personnel who were blind to the clinical information performed all tests. The diagnosis of PJI was based on the criteria of the Musculoskeletal Infection Society. RESULTS A total of 25 patients had a confirmed PJI. In 20 cases of monomicrobial PJI, the PCR products could be perfectly matched with the 16S/28S rRNA genes specific for different species of bacteria provided by sequence analysis. Of the five polymicrobial cases of PJI, 16S/28S rRNA PCR sequence analysis failed to identify the concordant bacteria species. In the 189 control patients, there was one false-positive RT-PCR result. The sensitivity and specificity of the molecular diagnosis method were 100% (95% confidence interval (CI) 85.7 to 100) and 99.5% (95% CI 97.1 to 99.9), respectively, whereas the positive and negative predictive values of PCR were 96.1% (95% CI 79.6 to 99.9) and 100% (95% CI 98.1 to 100), respectively. The PCR results were significantly better than serological diagnostic methods (p = 0.004 and p = 0.010 for ESR and CRP, respectively), the synovial fluid white blood cell (WBC) count (p = 0.036), and percentage of polymorphonuclear cells (PMN%) (p = 0.014). CONCLUSION Stepwise RT-PCR and sequence analysis of the 16S/28S rRNA carried out under stringent laboratory conditions achieved highly sensitive and specific results for the differentiation between aseptic and septic joints undergoing arthroplasty. Sequence analysis successfully identified bacterial strains in monomicrobial infections but failed to identify molecular targets in polymicrobial infections. Further refinement of the protocols to identify the bacteria in polymicrobial infections is needed. Cite this article: Bone Joint J 2018;100-B:1345-51.
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Affiliation(s)
- F-C Kuo
- Department of Orthopaedic Surgery, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University, College of Medicine, Kaohsiung, Taiwan
| | - Y-D Lu
- Department of Orthopaedic Surgery, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University, College of Medicine, Kaohsiung, Taiwan
| | - C-T Wu
- Department of Orthopaedic Surgery, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University, College of Medicine, Kaohsiung, Taiwan
| | - H-L You
- Department of Laboratory Medicine, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan
| | - G-B Lee
- Department of Power Mechanical Engineering, Institute of Nano Engineering and Microsystems, and Institute of Biomedical Engineering, National Tsing Hua University, Hsinchu, Taiwan
| | - M S Lee
- Department of Orthopaedic Surgery, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University, College of Medicine, Kaohsiung, Taiwan
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22
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Bauer T, Roux AL, Dinh A. What's new in periprosthetic joint infection: Diagnosis and bacteria. Orthop Traumatol Surg Res 2018; 104:425-426. [PMID: 29653243 DOI: 10.1016/j.otsr.2018.04.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Accepted: 04/06/2018] [Indexed: 02/02/2023]
Affiliation(s)
- T Bauer
- Centre de références en infections ostéo-articulaires, hôpital Ambroise-Paré, université Paris Île-de-France Ouest, Assistance publique-Hôpitaux de Paris, 9, avenue Charles-de-Gaulle, 92100 Boulogne, France.
| | - A-L Roux
- Centre de références en infections ostéo-articulaires, hôpital Ambroise-Paré, université Paris Île-de-France Ouest, Assistance publique-Hôpitaux de Paris, 9, avenue Charles-de-Gaulle, 92100 Boulogne, France
| | - A Dinh
- Centre de références en infections ostéo-articulaires, hôpital Ambroise-Paré, université Paris Île-de-France Ouest, Assistance publique-Hôpitaux de Paris, 9, avenue Charles-de-Gaulle, 92100 Boulogne, France
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