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Festa E, Ascione T, Di Gennaro D, De Mauro D, Mariconda M, Balato G. Synovial calprotectin in prosthetic joint infection. A systematic review and meta-analysis of the literature. Arch Orthop Trauma Surg 2024:10.1007/s00402-024-05416-0. [PMID: 38972902 DOI: 10.1007/s00402-024-05416-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Accepted: 06/22/2024] [Indexed: 07/09/2024]
Abstract
INTRODUCTION Calprotectin is a protein endowed with antimicrobial properties, rendering it a distinctive marker for infection. Two methods are currently available for the assay of calprotectin: the enzyme-linked immunosorbent assay (ELISA) and the lateral flow test (LFT). We aimed to assess the diagnostic accuracy of synovial fluid calprotectin and to compare the accuracy of the laboratory-based test and the qualitative assessment for the diagnosis of hip and knee prosthetic infection. MATERIALS AND METHODS We searched (from inception to November 2023) MEDLINE, Scopus, EMBASE, Web of Science, and Cochrane for studies on calprotectin in the diagnosis of periprosthetic joint infection (PJI). Sensitivity, specificity, positive and negative likelihood ratio (LR), and diagnostic odds ratio were analyzed. The receiver-operating curve for each method was calculated. RESULTS We included 14 articles in our meta-analysis, including 902 patients who underwent total hip and knee arthroplasties revision; 331 (37%) had a joint infection according to MSIS, MSIS-modified criteria, ICM 2018 and EBJIS 2021. Considering the false-positive result rate of 6% and false-negative result rate of 7%, pooled sensitivity and specificity were 0.92 (95% CI 0.89-0.94) and 0.93 (0.91-0.95), respectively. The area under the curve (AUC) was 0.93 (95% CI 0.91-0.94). No statistical differences in terms of sensitivity and specificity were found between ELISA and LFT. The pooled sensitivity and specificity of the two calprotectin assessment methods were: LFT 0.90 (95% CI 0.869-0.935) and 0.92 (95% CI 0.894-0.941), respectively; ELISA 0.96 (95% CI 0.914-0.986) and 0.97 (95% CI 0.934-0.988), respectively. The diagnostic odds ratio of the ELISA was superior to that of the LFT (906.6667, 95% CI 271.2686-3030.3712 versus 113.8886, 95% CI 70.4001-184.2414; p < 0.001). The AUC for ELISA and LFT was 0.968 (95% CI 0.944-0.984) and 0.915 (95% CI 0.895-0.933), respectively. CONCLUSIONS Detection of synovial calprotectin is an accurate test for diagnosis of hip and knee prosthetic infections. The diagnostic accuracy of the two calprotectin assessment methods is almost comparable. The LFT is a valid, rapid, and more available diagnostic tool, particularly to rule out PJI.
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Affiliation(s)
- E Festa
- Department of Public Health, Orthopedic Unit, "Federico II" University, Naples, Italy
| | - T Ascione
- Service of Infectious Diseases, Cardarelli Hospital, Naples, Italy
| | - D Di Gennaro
- Department of Public Health, Orthopedic Unit, "Federico II" University, Naples, Italy
| | - D De Mauro
- Department of Public Health, Orthopedic Unit, "Federico II" University, Naples, Italy
- Department of Orthopedics and Geriatric Sciences, Catholic University of Sacred Heart, Rome, Italy
| | - M Mariconda
- Department of Public Health, Orthopedic Unit, "Federico II" University, Naples, Italy
| | - G Balato
- Department of Public Health, Orthopedic Unit, "Federico II" University, Naples, Italy.
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Melicherčík P, Mazura M, Hodík M, Dundrová K, Landor I, Jahoda D, Horváth R, Barták V, Kizek R, Klapková E. Synovial fluid alpha-defensins in Lyme arthritis-a useful marker. Folia Microbiol (Praha) 2024:10.1007/s12223-024-01173-0. [PMID: 38869776 DOI: 10.1007/s12223-024-01173-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Accepted: 05/15/2024] [Indexed: 06/14/2024]
Abstract
Lyme arthritis, one of the possible late manifestations of Lyme borreliosis, predominantly affects the supporting joints and in adults most often occurs in the form of monoarthritis of the knee. Early diagnosis is based on clinical findings and serology. PCR detection of Borrelia in synovial fluid has become an integral part of the laboratory testing algorithm. The clinical presentation and inflammatory markers in Lyme arthritis can resemble septic arthritis. Determining the levels of alpha-defensins (human neutrophil peptide (HNP 1-3)) in synovial fluid by liquid chromatography is a highly sensitive method revealing the presence of inflammatory process. Between 2020 and 2022, we examined eleven patients with Lyme arthritis of the knee. We measured levels of HNP 1-3 from synovial fluid by HPLC in patients, and we compared it with the corresponding C-reactive protein (CRP) levels in paired serum samples. In patients diagnosed with Lyme arthritis, HNP 1-3 levels in synovial fluid ranged from 2.5 to 261 mg/L, with a median of 46.5 mg/L. Average serum CRP was 43 mg/L. The results show that elevated HNP 1-3 can be consistent with not only septic arthritis or systemic disease, but also with Lyme arthritis, especially in patients with negative culture and 16S PCR from synovial fluid. Final diagnosis must be verified by examination for anti-Borrelia antibodies from serum and synovial fluid. The aim of this work is to introduce an HPLC method for the determination of alpha-defensins as one of the possible diagnostic markers.
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Affiliation(s)
- Pavel Melicherčík
- Department of Orthopedics, Charles University, First Faculty of Medicine and Motol University Hospital, V Úvalu 84, 150 06, Prague 5, Czech Republic
| | - Matěj Mazura
- Department of Orthopedics, Charles University, First Faculty of Medicine and Motol University Hospital, V Úvalu 84, 150 06, Prague 5, Czech Republic
| | - Martin Hodík
- Department of Medical Chemistry and Clinical Biochemistry, Charles University, Second Faculty of Medicine and Motol University Hospital, V Úvalu 84, 150 06, Prague, Czech Republic
| | - Kamila Dundrová
- Department of Medical Microbiology, Charles University, Second Faculty of Medicine and Motol University Hospital, V Úvalu 84, 150 06, Prague, Czech Republic
| | - Ivan Landor
- Department of Orthopedics, Charles University, First Faculty of Medicine and Motol University Hospital, V Úvalu 84, 150 06, Prague 5, Czech Republic
| | - David Jahoda
- Department of Orthopedics, Charles University, First Faculty of Medicine and Motol University Hospital, V Úvalu 84, 150 06, Prague 5, Czech Republic
| | - Rudolf Horváth
- Department of Rheumatology of Children and Adults, Charles University, Second Faculty of Medicine and Motol University Hospital, V Úvalu 84, 150 06, Prague, Czech Republic
| | - Vladislav Barták
- Department of Orthopedics, Charles University, First Faculty of Medicine and Motol University Hospital, V Úvalu 84, 150 06, Prague 5, Czech Republic
| | - René Kizek
- Department of Medical Chemistry and Clinical Biochemistry, Charles University, Second Faculty of Medicine and Motol University Hospital, V Úvalu 84, 150 06, Prague, Czech Republic
| | - Eva Klapková
- Department of Medical Chemistry and Clinical Biochemistry, Charles University, Second Faculty of Medicine and Motol University Hospital, V Úvalu 84, 150 06, Prague, Czech Republic.
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Altsitzioglou P, Avgerinos K, Karampikas V, Gavriil P, Vlachos A, Soucacou F, Zafiris I, Kontogeorgakos V, Papagelopoulos PJ, Mavrogenis AF. Point of care testing for the diagnosis of periprosthetic joint infections: a review. SICOT J 2024; 10:24. [PMID: 38847648 PMCID: PMC11160401 DOI: 10.1051/sicotj/2024019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2024] [Accepted: 05/04/2024] [Indexed: 06/09/2024] Open
Abstract
BACKGROUND Periprosthetic joint infection (PJI) remains a major complication following total joint arthroplasties (TJA), significantly affecting patient outcomes and healthcare costs. Despite advances in diagnostic techniques, challenges persist in accurately diagnosing PJI, underscoring the need for effective point-of-care testing (POCT). METHODS This review examines the current literature and latest developments in POCT for diagnosing PJI, focusing on biomarkers such as alpha-defensin, leukocyte esterase, calprotectin, and C-reactive protein (CRP). Criteria from various societies like the Musculoskeletal Infection Society, Infectious Diseases Society of America, and the International Consensus Meeting were compared to evaluate the effectiveness of these biomarkers in a point-of-care setting. RESULTS POCT provides rapid results essential for the timely management of PJI, with alpha-defensin and leukocyte esterase showing high specificity and sensitivity. Recent advancements have introduced novel biomarkers like calprotectin, which demonstrate high diagnostic accuracy. However, challenges such as the variability in test performance and the need for validation under different clinical scenarios remain. DISCUSSION While POCT for PJI shows promising results, their integration into clinical practice requires standardized protocols and further validation. The evolution of these diagnostic tools offers a potential shift toward more personalized and immediate care, potentially improving outcomes for patients undergoing TJA.
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Affiliation(s)
- Pavlos Altsitzioglou
- From the First Department of Orthopaedics, National and Kapodistrian University of Athens, School of Medicine, Athens, Greece
| | - Konstantinos Avgerinos
- From the First Department of Orthopaedics, National and Kapodistrian University of Athens, School of Medicine, Athens, Greece
| | - Vasileios Karampikas
- From the First Department of Orthopaedics, National and Kapodistrian University of Athens, School of Medicine, Athens, Greece
| | - Panayiotis Gavriil
- From the First Department of Orthopaedics, National and Kapodistrian University of Athens, School of Medicine, Athens, Greece
| | - Apostolos Vlachos
- From the First Department of Orthopaedics, National and Kapodistrian University of Athens, School of Medicine, Athens, Greece
| | - Fotini Soucacou
- From the First Department of Orthopaedics, National and Kapodistrian University of Athens, School of Medicine, Athens, Greece
| | - Ioannis Zafiris
- From the First Department of Orthopaedics, National and Kapodistrian University of Athens, School of Medicine, Athens, Greece
| | - Vasileios Kontogeorgakos
- From the First Department of Orthopaedics, National and Kapodistrian University of Athens, School of Medicine, Athens, Greece
| | - Panayiotis J Papagelopoulos
- From the First Department of Orthopaedics, National and Kapodistrian University of Athens, School of Medicine, Athens, Greece
| | - Andreas F Mavrogenis
- From the First Department of Orthopaedics, National and Kapodistrian University of Athens, School of Medicine, Athens, Greece
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Macheras GA, Argyrou C, Tzefronis D, Milaras C, Tsivelekas K, Tsiamtsouris KG, Kateros K, Papadakis SA. Intraoperative calprotectin lateral flow immunoassay can assist decision-making between one- and two-stage revision total hip arthroplasty for patients with suspected periprosthetic joint infection. Bone Joint J 2024; 106-B:118-124. [PMID: 38688513 DOI: 10.1302/0301-620x.106b5.bjj-2023-0848.r1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/02/2024]
Abstract
Aims Accurate diagnosis of chronic periprosthetic joint infection (PJI) presents a significant challenge for hip surgeons. Preoperative diagnosis is not always easy to establish, making the intraoperative decision-making process crucial in deciding between one- and two-stage revision total hip arthroplasty (THA). Calprotectin is a promising point-of-care novel biomarker that has displayed high accuracy in detecting PJI. We aimed to evaluate the utility of intraoperative calprotectin lateral flow immunoassay (LFI) in THA patients with suspected chronic PJI. Methods The study included 48 THAs in 48 patients with a clinical suspicion of PJI, but who did not meet European Bone and Joint Infection Society (EBJIS) PJI criteria preoperatively, out of 105 patients undergoing revision THA at our institution for possible PJI between November 2020 and December 2022. Intraoperatively, synovial fluid calprotectin was measured with LFI. Cases with calprotectin levels ≥ 50 mg/l were considered infected and treated with two-stage revision THA; in negative cases, one-stage revision was performed. At least five tissue cultures were obtained; the implants removed were sent for sonication. Results Calprotectin was positive (≥ 50 mg/l) in 27 cases; out of these, 25 had positive tissue cultures and/or sonication. Calprotectin was negative in 21 cases. There was one false negative case, which had positive tissue cultures. Calprotectin showed an area under the curve of 0.917, sensitivity of 96.2%, specificity of 90.9%, positive predictive value of 92.6%, negative predictive value of 95.2%, positive likelihood ratio of 10.6, and negative likelihood ratio of 0.04. Overall, 45/48 patients were correctly diagnosed and treated by our algorithm, which included intraoperative calprotectin measurement. This yielded a 93.8% concordance with postoperatively assessed EBJIS criteria. Conclusion Calprotectin can be a valuable tool in facilitating the intraoperative decision-making process for cases in which chronic PJI is suspected and diagnosis cannot be established preoperatively.
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Affiliation(s)
- George A Macheras
- 7th Department of Orthopaedic Surgery, Henry Dunant Hospital Center, Athens, Greece
| | - Chrysoula Argyrou
- 4th Department of Orthopaedic Surgery and Traumatology, KAT Attica General Hospital, Athens, Greece
| | - Dimitrios Tzefronis
- 7th Department of Orthopaedic Surgery, Henry Dunant Hospital Center, Athens, Greece
| | - Christos Milaras
- 7th Department of Orthopaedic Surgery, Henry Dunant Hospital Center, Athens, Greece
| | - Konstantinos Tsivelekas
- 2nd Department of Orthopaedic Surgery and Traumatology, KAT Attica General Hospital, Athens, Greece
| | | | | | - Stamatios A Papadakis
- 2nd Department of Orthopaedic Surgery and Traumatology, KAT Attica General Hospital, Athens, Greece
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Vale JS, Castelo FS, Barros BS, Ribau AC, Carvalho AD, Sousa RJG. Synovial Fluid Biomarkers for the Diagnosis of Periprosthetic Joint Infection-A Systematic Review and Meta-Analysis of Their Diagnostic Accuracy According to Different Definitions. J Arthroplasty 2023; 38:2731-2738.e3. [PMID: 37321521 DOI: 10.1016/j.arth.2023.06.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2023] [Revised: 06/01/2023] [Accepted: 06/03/2023] [Indexed: 06/17/2023] Open
Abstract
BACKGROUND Different synovial fluid biomarkers have emerged to improve periprosthetic joint infection (PJI) diagnosis. The goals of this paper were (i) to assess their diagnostic accuracy and (ii) to evaluate their performance according to different PJI definitions. METHODS A systematic review and meta-analysis was performed using studies that reported diagnostic accuracy of synovial fluid biomarkers using validated PJI definitions published from 2010 to March 2022. A database search was performed through PubMed, Ovid MEDLINE, Central, and Embase. The search identified 43 different biomarkers with four being the more commonly studied, with 75 papers overall: alpha-defensin; leukocyte esterase; synovial fluid C-reactive protein; and calprotectin. RESULTS Overall accuracy was higher for calprotectin, followed by alpha-defensin, leukocyte esterase, and synovial fluid C-reactive protein with sensitivities of 78 to 92% and specificities of 90 to 95%. Their diagnostic performance was different according to which definition was adopted as the reference. Specificity was consistently high across definitions for all four biomarkers. Sensitivity varied the most with lower values for the more sensitive European Bone and Joint Infection Society or Infectious Diseases Society of America definitions with higher values for the Musculoskeletal Infection Society definition. The International Consensus Meeting 2018 definition showed intermediate values. CONCLUSION All evaluated biomarkers had good specificity and sensitivity, making their use acceptable in the diagnosis of PJI. Biomarkers perform differently according to the selected PJI definitions.
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Affiliation(s)
- João S Vale
- Department of Orthopedics, Centro Hospitalar Universitário Santo António, Porto, Portugal
| | - Filipe S Castelo
- Department of Orthopedics, Centro Hospitalar Cova da Beira, Covilhã, Portugal
| | - Bianca S Barros
- Department of Orthopedics, Centro Hospitalar Universitário Santo António, Porto, Portugal
| | - Ana C Ribau
- Department of Orthopedics, Centro Hospitalar Universitário Santo António, Porto, Portugal
| | - André D Carvalho
- Department of Orthopedics, Centro Hospitalar Universitário Santo António, Porto, Portugal
| | - Ricardo J G Sousa
- Department of Orthopedics, Centro Hospitalar Universitário Santo António, Porto, Portugal; Porto Bone and Joint Infection Group (GRIP), Centro Hospitalar Universitário Santo António, CUF - Hospitais e Clínicas, Lisbon, Portugal
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Grzelecki D, Grajek A, Otworowski M, Paskal W, Fulin P, Kowalczewski J. The Diagnostic Utility of Fast Tests for Detecting C-Reactive Protein in Synovial Fluid in Periprosthetic Joint Infections. J Bone Joint Surg Am 2023; 105:1759-1767. [PMID: 37733911 DOI: 10.2106/jbjs.23.00252] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 09/23/2023]
Abstract
BACKGROUND Despite the fact that many synovial fluid biomarkers have found application in the routine diagnosis of periprosthetic joint infection (PJI), this process still remains a challenge for orthopaedic surgeons. To simplify this process, fast point-of-care (POC) tests can be used during ambulatory visits and in operating room conditions. However, before such tests can be routinely used in clinical practice, they require validation. The purpose of the present study was to evaluate the diagnostic accuracy of different fast POC tests for detecting C-reactive protein (CRP) in synovial fluid for the diagnosis of PJI. METHODS Synovial fluid samples were collected from 120 consecutive patients who underwent revision total joint arthroplasty (TJA). The patients were divided into 2 groups. The first group included 76 patients who underwent revision for reasons other than infection (the aseptic revision TJA [arTJA] group), and the second group included 44 patients who underwent revision because of periprosthetic joint infection (PJI). The diagnosis of infection was made according to the International Consensus Meeting (ICM) 2018 criteria. All patients were operatively treated at a single orthopaedic center from January 2022 to February 2023. Four fast CRP tests with different cutoff values (1 and 3 mg/L, ≥8 mg/L, ≥10 mg/L [cassette], ≥10 mg/L [strip]) were used off-label for synovial fluid testing. Tests were performed on the same synovial fluid samples, and the results of these tests were compared with those obtained with the laboratory method. RESULTS The cassette test with a minimum cutoff value of ≥8 mg/L demonstrated the best accuracy for the diagnosis of chronic PJI, with a sensitivity and specificity of 90.9% and 90.8%, respectively. For the cassette test with a cutoff value of >3 mg/L, the sensitivity and specificity were 68.2% and 77.6%, respectively. For the tests with a minimum cutoff value of ≥10 mg/L, the sensitivity and specificity were 77.3% and 94.7%, respectively, for the cassette test and 77.3% and 96.1%, respectively, for the strip test. The laboratory method with the statistically calculated threshold (2.7 mg/L) revealed the highest AUC (area under the receiver operating characteristic curve) value (0.95), with 90.9% sensitivity and 94.7% specificity. CONCLUSIONS The cassette POC test with the minimum cutoff value of ≥8 mg/L had very good accuracy for the diagnosis of chronic PJI. This test had comparable sensitivity and slightly lower specificity in comparison with the laboratory method with the calculated threshold of 2.7 mg/L. LEVEL OF EVIDENCE Diagnostic Level III . See Instructions for Authors for a complete description of levels of evidence.
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Affiliation(s)
- Dariusz Grzelecki
- Department of Orthopedics and Rheumoorthopedics, Centre of Postgraduate Medical Education, Prof. Adam Gruca Orthopedic and Trauma Teaching Hospital, Otwock, Poland
| | - Aleksandra Grajek
- Central Laboratory, Prof. Adam Gruca Orthopedic and Trauma Teaching Hospital, Otwock, Poland
| | - Maciej Otworowski
- Department of Orthopaedic Surgery and Traumatology, Southern Hospital, Warsaw, Poland
| | - Wiktor Paskal
- Department of Methodology, Centre for Preclinical Research, Medical University of Warsaw, Warsaw, Poland
| | - Petr Fulin
- 1st Department of Orthopaedics, First Faculty of Medicine of Charles University and Motol University Hospital, Prague, Czech Republic
| | - Jacek Kowalczewski
- Department of Orthopedics and Rheumoorthopedics, Centre of Postgraduate Medical Education, Prof. Adam Gruca Orthopedic and Trauma Teaching Hospital, Otwock, Poland
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Fisher CR, Patel R. Profiling the Immune Response to Periprosthetic Joint Infection and Non-Infectious Arthroplasty Failure. Antibiotics (Basel) 2023; 12:antibiotics12020296. [PMID: 36830206 PMCID: PMC9951934 DOI: 10.3390/antibiotics12020296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 01/20/2023] [Accepted: 01/29/2023] [Indexed: 02/04/2023] Open
Abstract
Arthroplasty failure is a major complication of joint replacement surgery. It can be caused by periprosthetic joint infection (PJI) or non-infectious etiologies, and often requires surgical intervention and (in select scenarios) resection and reimplantation of implanted devices. Fast and accurate diagnosis of PJI and non-infectious arthroplasty failure (NIAF) is critical to direct medical and surgical treatment; differentiation of PJI from NIAF may, however, be unclear in some cases. Traditional culture, nucleic acid amplification tests, metagenomic, and metatranscriptomic techniques for microbial detection have had success in differentiating the two entities, although microbiologically negative apparent PJI remains a challenge. Single host biomarkers or, alternatively, more advanced immune response profiling-based approaches may be applied to differentiate PJI from NIAF, overcoming limitations of microbial-based detection methods and possibly, especially with newer approaches, augmenting them. In this review, current approaches to arthroplasty failure diagnosis are briefly overviewed, followed by a review of host-based approaches for differentiation of PJI from NIAF, including exciting futuristic combinational multi-omics methodologies that may both detect pathogens and assess biological responses, illuminating causes of arthroplasty failure.
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Affiliation(s)
- Cody R. Fisher
- Mayo Clinic Graduate School of Biomedical Sciences, Department of Immunology, Mayo Clinic, Rochester, MN 55905, USA
- Division of Clinical Microbiology, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN 55905, USA
| | - Robin Patel
- Division of Clinical Microbiology, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN 55905, USA
- Division of Public Health, Infectious Diseases, and Occupational Medicine, Department of Medicine, Mayo Clinic, Rochester, MN 55905, USA
- Correspondence:
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Grzelecki D, Grajek A, Walczak P, Kowalczewski J. What is the Accuracy of a Rapid Strip Test That Detects D-lactic Acid in Synovial Fluid for the Diagnosis of Periprosthetic Joint Infections? Clin Orthop Relat Res 2023; 481:120-129. [PMID: 35944072 PMCID: PMC9750661 DOI: 10.1097/corr.0000000000002328] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Accepted: 06/28/2022] [Indexed: 01/31/2023]
Abstract
BACKGROUND D-lactic acid is a specific marker produced almost exclusively by bacterial species; thus, the appearance of this marker in synovial fluid may indicate periprosthetic joint infection (PJI). Recently, studies have investigated the accuracy of enzyme-linked laboratory tests that detect D-lactic acid in synovial fluid to diagnose PJI. However, to our knowledge, no studies have determined the usefulness of rapid strip tests that detect D-lactic acid in synovial fluid in the diagnosis of PJI. QUESTIONS/PURPOSES (1) What is the best cutoff value for the rapid D-lactic acid strip test for diagnosing PJI? (2) What are the diagnostic accuracies (sensitivity, specificity, positive predictive value [PPV], and negative predictive value [NPV]) of the rapid D-lactic acid strip test and two different rapid leukocyte esterase (LE) strip tests? METHODS This prospective study enrolled 157 patients who underwent revision THA or TKA from May 2021 to February 2022 at a single orthopaedic center. Seventy percent (110 of 157) were eligible for analysis; 10% of these patients (15 of 157) were excluded based on the exclusion criteria (causes of revisions and additional comorbidities that may interfere with the results), and 20% (32 of 157) of the synovial fluid samples could not be tested (dry taps and blood-contaminated samples that could not be centrifuged). We performed the following off-label diagnostic tests on synovial fluid samples collected from all patients: the D-lactic acid strip test (QuantiQuick TM , BioAssay System), two different LE strip tests (10 EA from ARKRAY and BM 10 from BioMaxima). Differently colored strips were marked with symbols (from [-] to [++++] for D-lactic acid and from [-] to [+++] for LE tests) according to the manufacturers' instructions. For the LE tests, results were different for (++), which corresponds to a minimal value of 250 leu/mL for 10 EA and 125 leu/mL for BM 10 tests. The diagnostic standard for the presence or absence of PJI in this study was the International Consensus Meeting (ICM) 2018 criteria; based on these criteria (without the application of an LE test as a minor criterion), all patients were assessed and divided into two groups. Patients who did not meet the criteria for PJI and underwent revision for aseptic loosening, implant malposition, instability, or implant damage were included in the aseptic revision total joint arthroplasty group (68 patients). Patients with a fistula penetrating the joint, those with two positive culture results of the same pathogen, or those with ≥ 6 points according to ICM 2018 minor criteria were enrolled in the PJI group (42 patients). To ascertain the best cutoff value for the rapid D-lactic acid and both LE strip tests for diagnosing PJI, we used collected results, generated a receiver operating characteristic curve, and calculated the Youden index. To determine the accuracies of the diagnostic tests, we calculated their sensitivities, specificities, PPVs, and NPVs against the diagnostic standard (the ICM 2018 criteria). RESULTS The best cutoff value for D-lactic acid was 22.5 mg/L, which corresponded to a reading of (+) on the test strip. For D-lactic acid, in the diagnosis of PJI, the sensitivity was 83% (95% confidence interval [CI] 68% to 92%) and specificity was 100% (95% CI 93% to 100%). For both LE strip tests, the best cutoff value was the same as that proposed in the ICM 2018 criteria. For LE (10 EA), the sensitivity was 81% (95% CI 66% to 91%) and specificity was 99% (95% CI 91% to 100%); for LE (BM 10), sensitivity was 81% (95% CI 65% to 91%) and specificity was 97% (95% CI 89% to 100%). CONCLUSION A rapid off-label D-lactic acid strip test is valuable for diagnosing PJI. The results of this study indicate very good accuracy with comparable sensitivity and specificity for both LE strip tests. The usefulness of the test in a group of patients with chronic inflammatory diseases and the reproducibility of the reading by different researchers were not analyzed in this study and require further investigations. Before a rapid D-lactic strip test is routinely used for diagnosing PJI, multicenter studies on a larger group of patients should be conducted.Level of Evidence Level II, diagnostic study.
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Affiliation(s)
- Dariusz Grzelecki
- Department of Orthopedics and Rheumoorthopedics, Centre of Postgraduate Medical Education, Prof. Adam Gruca Orthopedic and Trauma Teaching Hospital, Otwock, Poland
| | - Aleksandra Grajek
- Central Laboratory of Prof. Adam Gruca Orthopedic and Trauma Teaching Hospital, Otwock, Poland
| | - Piotr Walczak
- Department of Orthopedics, Centre of Postgraduate Medical Education, Prof. Adam Gruca Orthopedic and Trauma Teaching Hospital, Otwock, Poland
| | - Jacek Kowalczewski
- Department of Orthopedics and Rheumoorthopedics, Centre of Postgraduate Medical Education, Prof. Adam Gruca Orthopedic and Trauma Teaching Hospital, Otwock, Poland
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Lazic I, Burdach A, Pohlig F, von Eisenhart-Rothe R, Suren C. Utility of synovial calprotectin lateral flow test to exclude chronic prosthetic joint infection in periprosthetic fractures: a prospective cohort study. Sci Rep 2022; 12:18385. [PMID: 36319727 PMCID: PMC9626574 DOI: 10.1038/s41598-022-22892-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Accepted: 10/20/2022] [Indexed: 11/05/2022] Open
Abstract
The diagnosis of periprosthetic joint infection (PJI) requires a combination of various clinical, laboratory, microbiological and histopathological parameters. A concomitant periprosthetic fracture (PPF) further complicates the diagnosis as it causes a confounding local inflammatory response. Synovial calprotectin has been demonstrated as a promising biomarker of PJI. The purpose of the present study was to evaluate the reliability of synovial calprotectin for the pre- or intraoperative diagnosis of PJI in PFF. 30 patients with PPF and implant loosening were included in this prospective study. Synovial fluid with white blood cells and percentage of polymorphonuclear neutrophils, serum C-reactive protein, and synovial calprotectin using a lateral-flow assay were tested against the EBJIS definition with adjusted thresholds to account for the local inflammation. 14 patients were postoperatively classified as confirmed infections (ten total hip arthroplasties and fourtotal knee arthroplasties). The calprotectin assay yielded a sensitivity of 0.71 [0.48; 0.95], a specificity of 0.69 [0.46; 0.91], a positive predictive value of 0.67 [0.43; 0.91] and a negative predictive value of 0.73 [0.51; 0.96]. Calprotectin is a promising diagnostic parameter for the detection of a PJI in a PPF. The lateral flow assay offers prompt results, which may further assist the surgeon in addition to already existing parameters of PJI diagnostics to diagnose concomitant PJI in PPF during surgery.
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Affiliation(s)
- Igor Lazic
- grid.6936.a0000000123222966Department of Orthopaedic Surgery, Technische Universität München, School of Medicine, Klinikum rechts der Isar, Klinik für Orthopädie und Sportorthopädie, Ismaninger Str. 22, 81675 Munich, Germany
| | - Alexander Burdach
- grid.6936.a0000000123222966Department of Orthopaedic Surgery, Technische Universität München, School of Medicine, Klinikum rechts der Isar, Klinik für Orthopädie und Sportorthopädie, Ismaninger Str. 22, 81675 Munich, Germany
| | - Florian Pohlig
- grid.6936.a0000000123222966Department of Orthopaedic Surgery, Technische Universität München, School of Medicine, Klinikum rechts der Isar, Klinik für Orthopädie und Sportorthopädie, Ismaninger Str. 22, 81675 Munich, Germany
| | - Rüdiger von Eisenhart-Rothe
- grid.6936.a0000000123222966Department of Orthopaedic Surgery, Technische Universität München, School of Medicine, Klinikum rechts der Isar, Klinik für Orthopädie und Sportorthopädie, Ismaninger Str. 22, 81675 Munich, Germany
| | - Christian Suren
- grid.6936.a0000000123222966Department of Orthopaedic Surgery, Technische Universität München, School of Medicine, Klinikum rechts der Isar, Klinik für Orthopädie und Sportorthopädie, Ismaninger Str. 22, 81675 Munich, Germany
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10
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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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11
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Lazic I, Prodinger P, Stephan M, Haug AT, Pohlig F, Langer S, von Eisenhart-Rothe R, Suren C. Synovial calprotectin is a reliable biomarker for periprosthetic joint infections in acute-phase inflammation - a prospective cohort study. INTERNATIONAL ORTHOPAEDICS 2022; 46:1473-1479. [PMID: 35524793 PMCID: PMC9166865 DOI: 10.1007/s00264-022-05421-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Accepted: 04/27/2022] [Indexed: 11/12/2022]
Abstract
PURPOSE Diagnosing periprosthetic joint infections (PJI) are challenging and may be hampered by the presence of other causes of local inflammation. Conventional synovial and serum markers are not reliable under these circumstances. Synovial calprotectin has been recently shown as a promising biomarker for PJI in total hip (THA) and total knee arthroplasty (TKA). The aim of this study is to investigate if calprotectin is reliable for PJI diagnosis in cases with accompanying inflammation due to recent surgery, dislocation or implant breakage in primary and revision TKA and THA. METHODS Thirty-three patients were included in this prospective study between July 2019 and October 2021 (17 patients undergoing surgery < 9 months, 11 dislocations, five implant breakage, respectively). Synovial white blood cell count (WBC), percentage of polymorphonuclear neutrophils (PMC), serum C-reactive protein (CRP) and synovial calprotectin, using a lateral-flow-assay, were analysed. These parameters were tested against a modified European-Bone-and-Joint-Infection-Society (EBJIS) definition with adjusted thresholds to account for the local inflammation. Statistic quality criteria were calculated and compared using a binary classification test. RESULTS Seventeen patients were classified as confirmed infections according to the modified EBJIS definition (13 THA and 4 TKA). The calprotectin assay yielded a sensitivity of 0.88 (0.64, 0.99), a specificity of 0.81 (0.54, 0.96), a positive predictive value (PPV) of 0.83 (0.59, 0.96) and a negative predictive value (NPV) of 0.87 (0.60, 0.98). CONCLUSIONS Even in the presence of local inflammation due to other, non-infectious causes, calprotectin is a reliable diagnostic parameter for the detection of a PJI in primary and revision THA and TKA.
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Affiliation(s)
- Igor Lazic
- Department of Orthopaedics and Sports Orthopaedics, School of Medicine, Klinikum Rechts Der Isar, Technical University of Munich, Ismaninger Str. 22, 81675, Munich, Germany.
| | - Peter Prodinger
- Department of Orthopaedic Surgery, Norbert-Kerkel-Platz, Krankenhaus Agatharied, 83734, Hausham, Germany
| | - Maximilian Stephan
- Department of Orthopaedics and Sports Orthopaedics, School of Medicine, Klinikum Rechts Der Isar, Technical University of Munich, Ismaninger Str. 22, 81675, Munich, Germany
| | - Alexander T Haug
- Department of Orthopaedics and Sports Orthopaedics, School of Medicine, Klinikum Rechts Der Isar, Technical University of Munich, Ismaninger Str. 22, 81675, Munich, Germany
| | - Florian Pohlig
- Department of Orthopaedics and Sports Orthopaedics, School of Medicine, Klinikum Rechts Der Isar, Technical University of Munich, Ismaninger Str. 22, 81675, Munich, Germany
| | - Severin Langer
- Department of Orthopaedics and Sports Orthopaedics, School of Medicine, Klinikum Rechts Der Isar, Technical University of Munich, Ismaninger Str. 22, 81675, Munich, Germany
| | - Rüdiger von Eisenhart-Rothe
- Department of Orthopaedics and Sports Orthopaedics, School of Medicine, Klinikum Rechts Der Isar, Technical University of Munich, Ismaninger Str. 22, 81675, Munich, Germany
| | - Christian Suren
- Department of Orthopaedics and Sports Orthopaedics, School of Medicine, Klinikum Rechts Der Isar, Technical University of Munich, Ismaninger Str. 22, 81675, Munich, Germany
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12
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Xu T, Zeng Y, Yang X, Liu G, Lv T, Yang H, Jiang F, Chen Y. Application of 68Ga-citrate PET/CT for differentiating periprosthetic joint infection from aseptic loosening after joint replacement surgery. Bone Joint Res 2022; 11:398-408. [PMID: 35731211 PMCID: PMC9233412 DOI: 10.1302/2046-3758.116.bjr-2021-0464.r1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
AIMS We aimed to evaluate the utility of 68Ga-citrate positron emission tomography (PET)/CT in the differentiation of periprosthetic joint infection (PJI) and aseptic loosening (AL), and compare it with 99mTc-methylene bisphosphonates (99mTc-MDP) bone scan. METHODS We studied 39 patients with suspected PJI or AL. These patients underwent 68Ga-citrate PET/CT, 99mTc-MDP three-phase bone scan and single-photon emission CT (SPECT)/CT. PET/CT was performed at ten minutes and 60 minutes after injection, respectively. Images were evaluated by three nuclear medicine doctors based on: 1) visual analysis of the three methods based on tracer uptake model, and PET images attenuation-corrected with CT and those not attenuation-corrected with CT were analyzed, respectively; and 2) semi-quantitative analysis of PET/CT: maximum standardized uptake value (SUVmax) of lesions, SUVmax of the lesion/SUVmean of the normal bone, and SUVmax of the lesion/SUVmean of the normal muscle. The final diagnosis was based on the clinical and intraoperative findings, and histopathological and microbiological examinations. RESULTS Overall, 23 and 16 patients were diagnosed with PJI and AL, respectively. The sensitivity and specificity of three-phase bone scan and SPECT/CT were 100% and 62.5%, 82.6%, and 100%, respectively. Attenuation correction (AC) at 60 minutes and non-AC at 60 minutes of PET/CT had the same highest sensitivity and specificity (91.3% and 100%), and AC at 60 minutes combined with SPECT/CT could improve the diagnostic efficiency (sensitivity = 95.7%). Diagnostic efficacy of the SUVmax was low (area under the curve (AUC) of ten minutes and 60 minutes was 0.814 and 0.806, respectively), and SUVmax of the lesion/SUVmean of the normal bone at 60 minutes was the best semi-quantitative parameter (AUC = 0.969). CONCLUSION 68Ga-citrate showed the potential to differentiate PJI from AL, and visual analysis based on uptake pattern of tracer was reliable. The visual analysis method of AC at 60 minutes, combined with 99mTc-MDP SPECT/CT, could improve the sensitivity from 91.3% to 95.7%. In addition, a major limitation of our study was that it had a limited sample size, and more detailed studies with a larger sample size are warranted. Cite this article: Bone Joint Res 2022;11(6):398-408.
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Affiliation(s)
- Tingting Xu
- Department of Nuclear Medicine, The Affiliated Hospital of Southwest Medical University, Luzhou, China.,Nuclear Medicine and Molecular Imaging Key Laboratory of Sichuan Province, Luzhou, China.,Institute of Nuclear Medicine, Southwest Medical University, Luzhou, Sichuan, China
| | - Yalan Zeng
- Department of Orthopedics, The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Xiao Yang
- Department of Nuclear Medicine, The Affiliated Hospital of Southwest Medical University, Luzhou, China.,Nuclear Medicine and Molecular Imaging Key Laboratory of Sichuan Province, Luzhou, China.,Institute of Nuclear Medicine, Southwest Medical University, Luzhou, Sichuan, China
| | - Guangfu Liu
- Department of Nuclear Medicine, The Affiliated Hospital of Southwest Medical University, Luzhou, China.,Nuclear Medicine and Molecular Imaging Key Laboratory of Sichuan Province, Luzhou, China.,Institute of Nuclear Medicine, Southwest Medical University, Luzhou, Sichuan, China
| | - Taiyong Lv
- Department of Nuclear Medicine, The Affiliated Hospital of Southwest Medical University, Luzhou, China.,Nuclear Medicine and Molecular Imaging Key Laboratory of Sichuan Province, Luzhou, China.,Institute of Nuclear Medicine, Southwest Medical University, Luzhou, Sichuan, China
| | - Hongbin Yang
- Department of Orthopedics, The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Fei Jiang
- Department of Nuclear Medicine, The Affiliated Hospital of Southwest Medical University, Luzhou, China.,Nuclear Medicine and Molecular Imaging Key Laboratory of Sichuan Province, Luzhou, China.,Institute of Nuclear Medicine, Southwest Medical University, Luzhou, Sichuan, China
| | - Yue Chen
- Department of Nuclear Medicine, The Affiliated Hospital of Southwest Medical University, Luzhou, China.,Nuclear Medicine and Molecular Imaging Key Laboratory of Sichuan Province, Luzhou, China.,Institute of Nuclear Medicine, Southwest Medical University, Luzhou, Sichuan, China
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13
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Synovial fluid calprotectin in diagnosing periprosthetic joint infection: A meta-analysis. INTERNATIONAL ORTHOPAEDICS 2022; 46:971-981. [PMID: 35233711 PMCID: PMC9001224 DOI: 10.1007/s00264-022-05357-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Accepted: 02/22/2022] [Indexed: 11/08/2022]
Abstract
Purpose Periprosthetic joint infection (PJI) is one of the most debilitating complications following joint replacement surgery. Synovial biomarkers, such as Calprotectin, have become valuable in the diagnosis of PJI. This meta-analysis aimed to investigate the role of synovial Calprotectin as a diagnostic test in PJI. Methods This meta-analysis was conducted with adherence to PRISMA guidelines. PubMed, Cochrane, Web of Science, and Google Scholar were searched until February 2022. Inclusion criteria were as follows: all studies in which the patients with joint replacements were evaluated for PJI; synovial Calprotectin was the biomarker of choice to diagnose PJI; standardized guidelines were used as the gold standard for the diagnosis; and a comparison between the guidelines and Calprotectin results was made. Diagnostic parameters such as sensitivity, specificity, diagnostic odds ratio (DOR), positive predictive value, negative predictive value, and area under the curve (AUC) were calculated for the included studies to evaluate synovial Calprotectin for PJI diagnosis. Results The total number of the included patients was 618 from eight studies. The pooled sensitivity, specificity, and diagnostic odds ratio of Calprotectin test were 92% (95%CI: 84%-98%), 93% (95%CI: 84%-99%), and 187.61 (95%CI: 20.21–1741.18), respectively. The results showed that the negative and positive likelihood ratios of the Calprotectin test were 0.07 (95%CI: 0.02–0.22) and 9.91 (95%CI: 4.11–23.93), respectively. The SROC showed that the area under the curve for Calprotectin test was 0.935. Conclusion Synovial Calprotectin is a valuable biomarker as it provides a reliable and rapid diagnosis of PJI. It has the potential to be used in clinical practice due to its high sensitivity and specificity that are comparable to the other utilized biomarkers. Another advantage is its low cost relative to other biomarkers.
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14
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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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15
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Xing J, Li J, Yan Z, Li Y, Liu X, He L, Xu T, Wang C, Zhao L, Jie K. Diagnostic accuracy of calprotectin in periprosthetic joint infection: a diagnostic meta-analysis. J Orthop Surg Res 2022; 17:11. [PMID: 34991666 PMCID: PMC8739654 DOI: 10.1186/s13018-021-02895-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2021] [Accepted: 12/30/2021] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Periprosthetic joint infection (PJI) is considered to be one of the most challenging complications of joint replacement, which remains unpredictable. As a simple and emerging biomarker, calprotectin (CLP) has been considered to be useful in ruling out PJI in recent years. The purpose of this study was to investigate the accuracy and sensitivity of CLP in the diagnosis of PJI. METHODS We searched and screened the publications from PubMed, Web of Science, EMBASE, and Cochrane Library from database establishment to June 2021. Subsequently, Stata version 16.0 software was used to combine the pooled sensitivity, specificity, positive likelihood ratio (PLR), negative likelihood ratio (NLR), diagnostic odds ratio (DOR), operating characteristic curve, and area under the curve (AUC). Heterogeneity across articles was evaluated by the I2 statistics. Finally, sources of heterogeneity were detected by subgroup analysis based on study design, detection method, sample size, and cutoff values. RESULTS A total of 7 studies were included in our study, comprising 525 patients. The pooled sensitivity, specificity, PLR, and NLR of CLP for PJI diagnosis were 0.94(95% CI 0.87-0.98), 0.93(95% CI 0.87-0.96), 13.65(95% CI 6.89-27.08), and 0.06(95% CI 0.02-0.15), respectively, while the DOR and AUC were 222.33(95% CI 52.52-941.11) and 0.98 (95% CI 0.96-0.99), respectively. CONCLUSION Synovial CLP is a reliable biomarker and can be used as a diagnostic criterion for PJI in the future. However, the uncertainty resulting from the poor study numbers and sample sizes limit our ability to definitely draw conclusions on the basis of our study.
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Affiliation(s)
- Jisi Xing
- Foshan Hospital of Traditional Chinese Medicine Affiliated to Guangzhou University of Chinese Medicine, Foshan Hospital of Traditional Chinese Medicine, Foshan, 528000, Guangdong Province, China
| | - Jiahao Li
- The First Clinical Medical School, Guangzhou University of Chinese Medicine, Jichang Road 12#, District Baiyun, Guangzhou, Guangdong, China
| | - Zijian Yan
- The First Clinical Medical School, Guangzhou University of Chinese Medicine, Jichang Road 12#, District Baiyun, Guangzhou, Guangdong, China
| | - Yijin Li
- The First Clinical Medical School, Guangzhou University of Chinese Medicine, Jichang Road 12#, District Baiyun, Guangzhou, Guangdong, China
| | - Xiaofang Liu
- Foshan Hospital of Traditional Chinese Medicine, Foshan, 528000, Guangdong Province, China
| | - Lilei He
- Foshan Hospital of Traditional Chinese Medicine, Foshan, 528000, Guangdong Province, China
| | - Ting Xu
- Foshan Hospital of Traditional Chinese Medicine, Foshan, 528000, Guangdong Province, China
| | - Changbing Wang
- Foshan Hospital of Traditional Chinese Medicine, Foshan, 528000, Guangdong Province, China
| | - Lilian Zhao
- Foshan Hospital of Traditional Chinese Medicine, Foshan, 528000, Guangdong Province, China.
| | - Ke Jie
- Foshan Hospital of Traditional Chinese Medicine, Foshan, 528000, Guangdong Province, China.
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16
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Synovial calprotectin for the diagnosis of periprosthetic joint infection: a diagnostic meta-analysis. J Orthop Surg Res 2022; 17:2. [PMID: 34983582 PMCID: PMC8725344 DOI: 10.1186/s13018-021-02746-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2021] [Accepted: 09/21/2021] [Indexed: 12/04/2022] Open
Abstract
Background Periprosthetic joint infections (PJI) are a rare but severe complication of total joint arthroplasty (TJA). However, the diagnosis of PJI remains difficult. It is one of the research that focuses about diagnosis for PJI for majority researchers to discover a novel biomarker. This meta-analysis tried to evaluate diagnostic value of synovial calprotectin for PJI. Methods This meta-analysis search of the literature was conducted in PubMed, EMBASE, Web of Science, and the Cochrane Library. Literature quality was appraised using Quality Assessment of Diagnostic Accuracy Studies (QUADAS-2) based on RevMan (version 5.3). The diagnostic value of calprotectin for PJI was evaluated by calculating sensitivity, specificity, positive likelihood ratio (PLR), negative likelihood ratio (NLR), diagnostic odds ratio (DOR), diagnostic score and area under SROC (AUC) based on the Stata version 14.0 software. We conduct subgroup analysis according to the study design, cutoff values, the country of study, and gold standard. Results Seven studies were included in this meta-analysis. The pooled sensitivity of synovial calprotectin for the diagnosis of PJI was 0.94 (95% CI, 0.87–0.98), and the specificity was 0.93 (95% CI, 0.87–0.96). The pooled AUC, PLR, and NLR for synovial calprotectin were 0.98 (95% CI, 0.96–0.99), 13.65 (95% CI, 6.89–27.07), and 0.06 (95% CI, 0.02–0.15), respectively. The pooled diagnostic score and DOR were 5.4 (95% CI, 3.96–6.85) and 222.32 (95% CI, 52.52–941.12), respectively. Conclusion In summary, this meta-analysis indicates that synovial calprotectin is a promising biomarker of assistant diagnosis for PJI, as well as recommended test for excluding diagnostic tool. Supplementary Information The online version contains supplementary material available at 10.1186/s13018-021-02746-2.
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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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