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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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Mazzella FM, Zhang Y, Bauer TW. Update on the role of pathology and laboratory medicine in diagnosing periprosthetic infection. Hum Pathol 2024; 147:5-14. [PMID: 38280657 DOI: 10.1016/j.humpath.2024.01.009] [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: 12/29/2023] [Accepted: 01/22/2024] [Indexed: 01/29/2024]
Abstract
Technological and implant design advances have helped reduce the frequency of aseptic total joint arthroplasty failure, but periprosthetic joint infections (PJI) remain a clinical important problem with high patient morbidity. Misinterpreting PJI as aseptic mechanical loosening commonly leads to unsatisfactory revision arthroplasty, persistent infection, and poor long-term results. While there is no single "gold standard" diagnostic test for PJI, recent collaborative efforts by Orthopaedic and Infectious Disease Societies have developed algorithms for diagnosing PJI. However, the efficacy of individual tests as well as diagnostic thresholds are controversial. We review the recommended thresholds for commonly used screening tests as well as tissue histopathology and confirmatory tests to diagnose periprosthetic infection. We also update lesser-known laboratory tests, and we briefly summarize rapidly evolving molecular tests to diagnose periprosthetic infection. Pathologists hold a critical role in assisting with PJI diagnosis, maintaining laboratory test quality and interpreting test results. Collaboration between clinicians and pathologists is essential to provide optimal patient care and reduce the burden of PJI.
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Affiliation(s)
- Fermina M Mazzella
- Department of Pathology and Laboratory Medicine, Hospital for Special Surgery, USA
| | - Yaxia Zhang
- Department of Pathology and Laboratory Medicine, Hospital for Sprecial Surgery, Weill Cornell College of Medicine, USA
| | - Thomas W Bauer
- Department of Pathology and Laboratory Medicine, Hospital for Special Surgery, Weill Cornell Medical College, 535 East 70th St, New York, NY, 10021, USA.
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Deirmengian C, Toler K, Sharma V, Miamidian JL, McLaren A. The False-Positive Rate of Synovial Fluid Culture at a Single Clinical Laboratory Using Culture Bottles. Cureus 2024; 16:e55641. [PMID: 38586694 PMCID: PMC10996834 DOI: 10.7759/cureus.55641] [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] [Accepted: 03/04/2024] [Indexed: 04/09/2024] Open
Abstract
Introduction Synovial fluid (SF) cultures can yield false-positive or negative results when diagnosing periprosthetic joint infection (PJI). False-positives may arise during sample collection or from laboratory contamination. Understanding false-positive SF culture rates is crucial for interpreting PJI laboratory data, yet clinical laboratories rarely report these rates. This study aimed to define the false-positive SF culture rate at a major specialized clinical laboratory. Methods This study retrospectively analyzed prospectively collected data at a single clinical laboratory that receives SF for clinical testing for PJI. A total of 180,317 periprosthetic SF samples from the hip, knee, and shoulder were identified from January 2016 to December 2023, which met the inclusion criteria for this study. Samples were classified by both a modified 2018 International Consensus Meeting (ICM) score and an inflammation score that combined the SF-C-reactive protein, alpha-defensin, SF-white blood cell count, and SF-polymorphonuclear% into one standardized metric. Logistic regression was utilized to evaluate the impact of various collection-based characteristics on culture positivity, including inflammation biomarkers, the source joint, quality control metrics, and days of specimen transport to the laboratory. SF culture false-positivity was calculated based on the ICM category of "not-infected" or low inflammation score. Results Overall, 13.3% (23,974/180,317) of the samples were associated with a positive culture result: 12.5% for knee samples, 20.3% for hip samples, and 14.7% for shoulder samples. The false-positive SF culture rate among 131,949 samples classified as "not-infected" by the modified 2018 ICM definition was 0.47% (95%CI: 0.43 to 0.51%). Stratification by joint revealed a false-positive rate of 0.34% (95%CI: 0.31 to 0.38%) for knee samples, 1.24% (95%CI: 1.05 to 1.45%) for hip samples, and 3.02% (95%CI: 2.40 to 3.80%) for shoulder samples, with p < 0.0001 for all comparisons. The false-positive SF culture rate among 90,156 samples, representing half of all samples with the lowest standardized inflammation scores, was 0.47% (95%CI: 0.43 to 0.52%). Stratification by joint revealed a false-positive rate of 0.33% (95%CI: 0.29 to 0.37%) for knee samples, 1.45% (95%CI: 1.19 to 1.77%) for hip samples, and 3.09% (95%CI: 2.41 to 3.95%) for shoulder samples, with p<0.0001 for all comparisons. Multivariate logistic regression demonstrated the joint source (hip, shoulder) and poor sample quality as collection-based factors associated with a false-positive culture. Evaluation of a cohort of samples selected to minimize collection-based causes of false-positive culture demonstrated a false-positive rate of 0.30%, representing the ceiling limit for laboratory-based SF culture false-positivity. Conclusions This study utilizes two methods to estimate the false-positive SF culture rate at a single specialized clinical laboratory, demonstrating an overall false-positive rate of approximately 0.5%. Stratification of samples by source joint demonstrated that periprosthetic SF from the shoulder and hip have a substantially higher false-positive culture rate than that of the knee. The lowest false-positive SF culture rate (0.30%) was observed among samples from the knee-passing quality control. Culture positivity due to contamination at this specific laboratory is less than 0.30% because all specimens undergo identical processing.
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Affiliation(s)
- Carl Deirmengian
- Orthopaedic Surgery, The Rothman Orthopaedic Institute, Philadelphia, USA
- Orthopaedic Surgery, Thomas Jefferson University, Philadelphia, USA
| | - Krista Toler
- Diagnostics Research and Development, Zimmer Biomet, Warsaw, USA
| | - Varun Sharma
- Medicine, University of Arizona College of Medicine - Phoenix, Phoenix, USA
| | - John L Miamidian
- Diagnostics Research and Development, Zimmer Biomet, Claymont, USA
| | - Alex McLaren
- Orthopaedic Surgery, University of Arizona College of Medicine - Phoenix, Phoenix, USA
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Salimi M, Karam JA, Willman M, Willman J, Lucke-Wold B, Khanzadeh S, Mirghaderi P, Parvizi J. Neutrophil to Lymphocyte Ratio and Periprosthetic Joint Infection: A Systematic Review and Meta-Analysis. J Arthroplasty 2024; 39:831-838. [PMID: 37633509 DOI: 10.1016/j.arth.2023.08.067] [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: 11/28/2022] [Revised: 08/17/2023] [Accepted: 08/19/2023] [Indexed: 08/28/2023] Open
Abstract
BACKGROUND The neutrophil-to-lymphocyte ratio (NLR) has shown promising results as a diagnostic tool for periprosthetic joint infection (PJI) after total joint arthroplasty. We conducted a systematic review and meta-analysis to determine the utility of NLR in the diagnosis of PJI. METHODS We searched PubMed, Scopus, and Web of Science from inception up to 2022 and evaluated the quality of the included literature. RESULTS Based on the 12 eligible studies, NLR levels were significantly higher in patients who had PJI compared to those who had aseptic loosening (standard mean difference (SMD) = 1.05, 95% Confidence Interval (CI) = 0.71 to 1.40, P < .001). In the subgroup analysis according to type of PJI, NLR levels were significantly higher in patients who had either acute (SMD = 1.04, 95% CI = 0.05 to 2.03, P < .001) or chronic PJI (SMD = 1.08, 95% CI = 0.55 to 1.61, P < .001), compared to those who had aseptic loosening. According to type of arthroplasty, NLR levels were significantly higher in patients who had either total knee arthroplasty (SMD = 1.81, 95% CI = 1.48 to 2.13, P < .001) or total hip arthroplasty (SMD = 1.76, 95% CI = 1.54 to 1.98, P < .001) compared to aseptic loosening. The pooled sensitivity of the 12 studies was 0.73 (95% CI, 0.65 to 0.79), and the pooled specificity was 0.75 (95% CI, 0.71 to 0.78). The pooled positive likelihood ratio, negative likelihood ratio, and diagnostic odds ratio of NLR were 2.94 (95% CI = 2.44 to 3.54), 0.35 (95% CI = 0.27 to 0.46), and 8.26 (95% CI = 5.42 to 12.58), respectively. CONCLUSION In summary, this meta-analysis indicates that NLR is a reliable marker in the diagnosis of PJI.
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Affiliation(s)
- Maryam Salimi
- Bone and Joint Diseases Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Joseph Albert Karam
- Department of Orthopedic Surgery, University of Illinois at Chicago, Chicago, Illinois
| | | | | | | | - Shokoufeh Khanzadeh
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Peyman Mirghaderi
- Students' Scientific Research Center (SSRC), Tehran University of Medical Sciences, Tehran, Iran
| | - Javad Parvizi
- Department of Orthopedic Surgery, Rothman Orthopaedic Institute at Thomas Jefferson University, Philadelphia, Pennsylvania
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Miamidian JL, Toler K, McLaren A, Deirmengian C. Synovial Fluid C-reactive Protein Clinical Decision Limit and Diagnostic Accuracy for Periprosthetic Joint Infection. Cureus 2024; 16:e52749. [PMID: 38268994 PMCID: PMC10806382 DOI: 10.7759/cureus.52749] [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] [Accepted: 01/21/2024] [Indexed: 01/26/2024] Open
Abstract
Introduction C-reactive protein (CRP) has long served as a prototypical biomarker for periprosthetic joint infection (PJI). Recently, synovial fluid (SF)-CRP has garnered interest as a diagnostic tool, with several studies demonstrating its diagnostic superiority over serum CRP for the diagnosis of PJI. Although previous studies have identified diagnostic thresholds for SF-CRP, they have been limited in scope and employed various CRP assays without formal validation for PJI diagnosis. This study aimed to conduct a formal single clinical laboratory validation to determine the optimal clinical decision limit of SF-CRP for the diagnosis of PJI. Methods A retrospective analysis of prospectively collected data was performed using receiver operating characteristic (ROC) and area under the curve (AUC) analyses. Synovial fluid samples from hip and knee arthroplasties, received from over 2,600 institutions, underwent clinical testing for PJI at a single clinical laboratory (CD Laboratories, Zimmer Biomet, Towson, MD) between 2017 and 2022. Samples were assayed for SF-CRP, alpha-defensin, white blood cell count, neutrophil percentage, and microbiological culture. After applying selection criteria, the samples were classified with the 2018 ICM PJI scoring system as "infected," "not infected," or "inconclusive." Data were divided into training and validation sets. The Youden Index was employed to optimize the clinical decision limit. Results A total of 96,061 samples formed the training (n = 67,242) and validation (n = 28,819) datasets. Analysis of the biomarker median values, culture positivity, anatomic distribution, and days from aspiration to testing revealed nearly identical specimen characteristics in both the training set and validation set. SF-CRP demonstrated an AUC of 0.929 (95% confidence interval (CI): 0.926-0.932) in the training set, with an optimal SF-CRP clinical decision limit for PJI diagnosis of 4.45 mg/L. Applying this cutoff to the validation dataset yielded a sensitivity of 86.1% (95% CI: 85.0-87.1%) and specificity of 87.1% (95% CI: 86.7-87.5%). No statistically significant difference in diagnostic performance was observed between the validation and training sets. Conclusion This study represents the largest single clinical laboratory evaluation of an SF-CRP assay for PJI diagnosis. The optimal CRP cutoff (4.45 mg/L) for PJI, which yielded a sensitivity of 86.1% and a specificity of 87.1%, is specific to the assay methodology and laboratory performing the assay. We propose that an SF-CRP test with a laboratory-validated optimal clinical decision limit for PJI may be preferable, in a clinical diagnostic setting, to serum CRP tests that do not have laboratory-validated clinical decision limits for PJI.
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Affiliation(s)
- John L Miamidian
- Department of Diagnostics Research and Development, Zimmer Biomet, Warsaw, USA
| | - Krista Toler
- Department of Diagnostics Research and Development, Zimmer Biomet, Warsaw, USA
| | - Alex McLaren
- Orthopaedic Surgery, University of Arizona College of Medicine - Phoenix, Phoenix, USA
| | - Carl Deirmengian
- Orthopaedic Surgery, Rothman Orthopaedic Institute, Philadelphia, USA
- Orthopaedic Surgery, Thomas Jefferson University, Philadelphia, USA
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Paranjape PR, Thai-Paquette V, Miamidian JL, Parr J, Kazin EA, McLaren A, Toler K, Deirmengian C. Achieving High Accuracy in Predicting the Probability of Periprosthetic Joint Infection From Synovial Fluid in Patients Undergoing Hip or Knee Arthroplasty: The Development and Validation of a Multivariable Machine Learning Algorithm. Cureus 2023; 15:e51036. [PMID: 38143730 PMCID: PMC10749183 DOI: 10.7759/cureus.51036] [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] [Accepted: 12/22/2023] [Indexed: 12/26/2023] Open
Abstract
Background and objective The current periprosthetic joint infection (PJI) diagnostic guidelines require clinicians to interpret and integrate multiple criteria into a complex scoring system. Also, PJI classifications are often inconclusive, failing to provide a clinical diagnosis. Machine learning (ML) models could be leveraged to reduce reliance on these complex systems and thereby reduce diagnostic uncertainty. This study aimed to develop an ML algorithm using synovial fluid (SF) test results to establish a PJI probability score. Methods We used a large clinical laboratory's dataset of SF samples, aspirated from patients with hip or knee arthroplasty as part of a PJI evaluation. Patient age and SF biomarkers [white blood cell count, neutrophil percentage (%PMN), red blood cell count, absorbance at 280 nm wavelength, C-reactive protein (CRP), alpha-defensin (AD), neutrophil elastase, and microbial antigen (MID) tests] were used for model development. Data preprocessing, principal component analysis, and unsupervised clustering (K-means) revealed four clusters of samples that naturally aggregated based on biomarker results. Analysis of the characteristics of each of these four clusters revealed three clusters (n=13,133) with samples having biomarker results typical of a PJI-negative classification and one cluster (n=4,032) with samples having biomarker results typical of a PJI-positive classification. A decision tree model, trained and tested independently of external diagnostic rules, was then developed to match the classification determined by the unsupervised clustering. The performance of the model was assessed versus a modified 2018 International Consensus Meeting (ICM) criteria, in both the test cohort and an independent unlabeled validation set of 5,601 samples. The SHAP (SHapley Additive exPlanations) method was used to explore feature importance. Results The ML model showed an area under the curve of 0.993, with a sensitivity of 98.8%, specificity of 97.3%, positive predictive value (PPV) of 92.9%, and negative predictive value (NPV) of 99.8% in predicting the modified 2018 ICM diagnosis among test set samples. The model maintained its diagnostic accuracy in the validation cohort, yielding 99.1% sensitivity, 97.1% specificity, 91.9% PPV, and 99.9% NPV. The model's inconclusive rate (diagnostic probability between 20-80%) in the validation cohort was only 1.3%, lower than that observed with the modified 2018 ICM PJI classification (7.4%; p<0.001). The SHAP analysis found that AD was the most important feature in the model, exhibiting dominance among >95% of "infected" and "not infected" diagnoses. Other important features were the sum of the MID test panel, %PMN, and SF-CRP. Conclusions Although defined methods and tools for diagnosis of PJI using multiple biomarker criteria are available, they are not consistently applied or widely implemented. There is a need for algorithmic interpretation of these biomarkers to enable consistent interpretation of the results to drive treatment decisions. The new model, using clinical parameters measured from a patient's SF sample, renders a preoperative probability score for PJI which performs well compared to a modified 2018 ICM definition. Taken together with other clinical signs, this model has the potential to increase the accuracy of clinical evaluations and reduce the rate of inconclusive classification, thereby enabling more appropriate and expedited downstream treatment decisions.
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Affiliation(s)
- Pearl R Paranjape
- Department of Diagnostics Research and Development, Zimmer Biomet, Warsaw, USA
| | - Van Thai-Paquette
- Department of Diagnostics Research and Development, Zimmer Biomet, Warsaw, USA
| | - John L Miamidian
- Department of Diagnostics Research and Development, Zimmer Biomet, Warsaw, USA
| | - Jim Parr
- Department of Data Science and Machine Learning, Zimmer Biomet, Swindon, GBR
| | - Eyal A Kazin
- Department of Data Science and Machine Learning, Zimmer Biomet, Swindon, GBR
| | - Alex McLaren
- Department of Orthopaedic Surgery, University of Arizona College of Medicine - Phoenix, Phoenix, USA
| | - Krista Toler
- Department of Diagnostics Research and Development, Zimmer Biomet, Warsaw, USA
| | - Carl Deirmengian
- Department of Orthopaedic Surgery, The Rothman Orthopaedic Institute, Philadelphia, USA
- Department of Orthopaedic Surgery, Thomas Jefferson University, Philadelphia, USA
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Rathee A, Chaurasia MK, Singh MK, Singh V, Kaushal D. Relationship Between Pre- and Post-Operative C-Reactive Protein (CRP), Neutrophil-to-Lymphocyte Ratio (NLR), and Platelet-to-Lymphocyte Ratio (PLR) With Post-Operative Pain After Total Hip and Knee Arthroplasty: An Observational Study. Cureus 2023; 15:e43782. [PMID: 37731439 PMCID: PMC10507425 DOI: 10.7759/cureus.43782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/19/2023] [Indexed: 09/22/2023] Open
Abstract
BACKGROUND Anesthetic technique and postoperative pain management are crucial for total joint arthroplasty (TJA) patients. The neutrophil-to-lymphocyte ratio (NLR), platelet-to-lymphocyte ratio (PLR), and C-reactive protein (CRP) are new, simple, and cost-effective predictors for prognosis. The predictive value of NLR as an inflammatory marker can predict post-operative pain caused by inflammatory pathways secondary to surgical trauma. CRP is also the most sensitive and specific biomarker of inflammation whereas PLR was also recently considered a possible marker for inflammation which may further contribute to pain and sequelae. Thus, anesthetists can make decisions about the amount, time, and type of analgesic to use based on preoperative values of these parameters to provide maximum postoperative pain control and facilitate early rehabilitation. Thus, the current study was conducted to determine the relationship between CRP, NLR, and PLR levels and the intensity of pain in patients following total hip arthroplasty (THA) and total knee arthroplasty (TKA). MATERIALS AND METHODS A total of 105 patients scheduled for THA and TKA fulfilling the study's inclusion criteria were enrolled. Inclusion criteria of the study were all the patients giving written consent, ASA Grade I-III, patients between 18 and 90 years who were scheduled for elective lower extremity TJA, and all the patients who remained admitted until stitches were removed. Patients were given intrathecal 15 mg hyperbaric bupivacaine via 25G atraumatic spinal needle in the L3-L4 interspace. The recorded data were demographic characteristics, preexisting comorbidities, number of blood transfusions, and operation time, postoperative analgesics given, duration of hospital stay, time of mobility, pain scoring as per visual analog scale (VAS) scoring system with an aim to establish a relationship between pre- and post-operative (Days 3 & 5) CRP, NLR, and PLR with post-operative pain after THA and TKA. RESULT The present study demonstrated a significant correlation (p < 0.002) between preoperative and postoperative NLR with pain after TJA whereas PLR and CRP did not show any significant relationship with post-operative pain after THA and TKA. A significantly higher NLR ratio was observed for patients on all the periods of observation (pre-op., Day 3, and Day 5). Pre-op. and Day 5 NLR of patients who required transfusion were significantly higher than those who did not require transfusion and patients with higher NLR values could be mobilized significantly later and had significantly higher duration of hospital stay. The correlation of CRP levels and PLR levels at different time intervals did not show a significant correlation with Day 3 and Day 5 pain scores. CONCLUSION The present study demonstrated a significant correlation between preoperative and postoperative NLR with pain after TJA.
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Affiliation(s)
- Akshay Rathee
- Anesthesiology and Critical Care, King George's Medical University, Lucknow, IND
| | - Manoj K Chaurasia
- Anesthesiology and Critical Care, King George's Medical University, Lucknow, IND
| | - Manish K Singh
- Anesthesiology and Critical Care, King George's Medical University, Lucknow, IND
| | - Vinita Singh
- Anesthesiology and Critical Care, King George's Medical University, Lucknow, IND
| | - Dinesh Kaushal
- Anesthesiology and Critical Care, King George's Medical University, Lucknow, IND
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Yilmaz MK, Abbaszadeh A, Tarabichi S, Azboy I, Parvizi J. Diagnosis of Periprosthetic Joint Infection: The Utility of Biomarkers in 2023. Antibiotics (Basel) 2023; 12:1054. [PMID: 37370373 DOI: 10.3390/antibiotics12061054] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 06/11/2023] [Accepted: 06/12/2023] [Indexed: 06/29/2023] Open
Abstract
Periprosthetic joint infection (PJI) is a rare yet devastating complication following total joint arthroplasty (TJA). Early and accurate diagnosis of PJI is paramount in order to maximize the chances of successful treatment. However, we are yet to identify a single "gold standard" test for the diagnosis of PJI. As a result, the diagnosis of PJI is often challenging. Currently, the 2018 ICM definition of PJI is the only validated diagnostic criteria available. This article will review the importance of serum and synovial biomarkers in the diagnosis of PJI. In addition, it will provide a brief overview of the emerging modalities for the identification of infections in this setting.
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Affiliation(s)
- Mehmet Kursat Yilmaz
- Rothman Orthopaedic Institute, Thomas Jefferson University, Philadelphia, PA 19107, USA
- Department of Orthopaedics and Traumatology, School of Medicine, Istanbul Medipol University, Istanbul 34810, Turkey
| | - Ahmad Abbaszadeh
- Rothman Orthopaedic Institute, Thomas Jefferson University, Philadelphia, PA 19107, USA
| | - Saad Tarabichi
- Rothman Orthopaedic Institute, Thomas Jefferson University, Philadelphia, PA 19107, USA
| | - Ibrahim Azboy
- Department of Orthopaedics and Traumatology, School of Medicine, Istanbul Medipol University, Istanbul 34810, Turkey
| | - Javad Parvizi
- Rothman Orthopaedic Institute, Thomas Jefferson University, Philadelphia, PA 19107, USA
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Altinayak H, Karatekin YS, Balta O. The relationship of C-reaktif protein level after knee artroplasty with gender difference and type of artroplasty. J Orthop Surg (Hong Kong) 2023; 31:10225536231190309. [PMID: 37501564 DOI: 10.1177/10225536231190309] [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] [Indexed: 07/29/2023] Open
Abstract
PURPOSE It was aimed to reveal the relationship between CRP level after knee arthroplasty and gender difference and arthroplasty type. METHODS Preoperative and postoperative (1st and 7th day, 1st and 3rd months) CRP values of the patients who underwent TKA or UKA were examined. The data were compared by categorizing them into primary male-female, secondary TKA-UKA groups. RESULTS 967 patients were included in the study (151 male, 685 female in the TKA group and 25 male, 106 female in the UKA group) In the TKA group, the mean age was 67.38 in males and 65.54 in females. In the UKA group, the mean age was 58.72 in males and 57,63 in females. CRP values were found to be statistically significantly lower in females compared to males in the preoperative period, postoperative 1st and 3rd months in patients who underwent TKA (p < .05). In the UKA group, it was found to be significantly lower in females in the preoperative period and at the postoperative 3rd month, p < .05). When the CRP values and their effect on the course of arthroplasty were evaluated according to the type of arthroplasty, there was no significant difference between the CRP values of the preoperative patients (p = .686). In addition, in the comparison made on the postoperative 1st day, 1st week, 1st month, and 3rd month, CRP values of the patient who underwent UKA were found to be significantly lower (p < .05). When analyzed separately by arthroplasty type, postoperative CRP values decreased to normal limits in 96.3% of patients who underwent TKA and 98.5% of patients who underwent UKA in the third month. CONCLUSIONS Our study showed that the uncomplicated course of CRP after TKA and UKA is gender-specific, and higher CRP values are observed in males than in females. The UKA group exhibited significantly lower postoperative CRP levels than the TKA group.
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Affiliation(s)
- Harun Altinayak
- Department of Orthopaedics and Traumatology, Samsun Education and Research Hospital, Ilkadim, Turkey
| | - Yavuz Selim Karatekin
- Department of Orthopaedics and Traumatology, Samsun Education and Research Hospital, Ilkadim, Turkey
| | - Orhan Balta
- Department of Orthopaedics and Traumatology, School of Medicine, Gaziosmanpasa University, Tokat, Turkey
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Deirmengian C, Toler K, Thai-Paquette V, Gulati S, McLaren A. Mitigating Concerns Over Transport Delays: An Analysis of Synovial Fluid Culture Results in Arthroplasty. Cureus 2023; 15:e39751. [PMID: 37265895 PMCID: PMC10229757 DOI: 10.7759/cureus.39751] [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] [Accepted: 05/30/2023] [Indexed: 06/03/2023] Open
Abstract
INTRODUCTION There is a concern in the field of arthroplasty that synovial fluid transport delays may reduce the accuracy of synovial fluid culture. However, synovial fluid samples collected in the office, and sometimes in a hospital setting, often require transport to a third-party central or specialty laboratory, causing delays in the initiation of culture incubation. This study investigated the impact of transportation delays on synovial fluid culture results. METHODS A retrospective review of prospectively collected data at one clinical laboratory, from 2016 to 2022, was conducted. A total of 125,270 synovial fluid samples from knee arthroplasties, from 2,858 different US institutions, were transported to a single clinical laboratory for diagnostic testing including synovial fluid culture (blood culture bottles). Synovial fluid to be cultured was transported in red top tubes without additives. Samples were grouped into six-time cohorts based on the number of days between aspiration and culture initiation (1-day-delay to 6-day-delay). Metrics such as culture positivity, false-positive culture rate, culture sensitivity, and proportional growth of top genera of organisms were assessed across the cohorts. RESULTS Of the 125,270 samples in this study, 71.2% were received the day after aspiration (1-day-delay), with an exponential decrease in samples received on each subsequent day. Culture-positive rates for synovial fluid samples received after 1, 2, 3, 4, 5, and 6 days of transport time were 12.2%, 13.3%, 13.5%, 13.1%, 11.6%, and 11.0%, respectively. The maximum absolute difference in culture-positive rate compared to the 1-day-delay cohort was an increase of 1.3% in the 3-day-delay cohort, which was not considered a clinically meaningful difference. The estimated false-positive culture rate remained relatively consistent across time cohorts, with values of 0.3%, 0.4%, 0.3%, 0.2%, 0.5%, and 0.5% for 1, 2, 3, 4, 5, and 6 days of transport time, respectively. None of the cohorts showed a statistically significant difference after adjustment for multiplicity compared to the 1-day-delay cohort. Culture sensitivity was estimated at 68.2%, 67.2%, 70.5%, 70.7%, 65.9%, and 70.7% for 1, 2, 3, 4, 5, and 6 days of transport time, respectively. None of the cohorts showed a statistically significant difference after adjustment for multiplicity compared to the 1-day-delay cohort. Organism proportions were consistent across time cohorts, with Staphylococcus being the most commonly identified organism. No statistically significant differences were found in the proportional contribution of major genera across the cohorts. CONCLUSIONS Synovial fluid culture exhibited surprisingly consistent results despite variable transport time to the destination laboratory, with differences that have minimal clinical importance. While the authors of this study advocate for short transport times as a best practice to expedite diagnosis, it appears that concerns regarding the rapid degradation of culture results due to synovial fluid transportation is unwarranted.
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Affiliation(s)
- Carl Deirmengian
- Orthopaedic Surgery, The Rothman Orthopaedic Institute, Philadelphia, USA
- Orthopaedic Surgery, Thomas Jefferson University, Philadelphia, USA
| | - Krista Toler
- CD Diagnostics & CD Laboratories, Zimmer Biomet, Warsaw, USA
| | | | - Simmi Gulati
- CD Diagnostics & CD Laboratories, Zimmer Biomet, Warsaw, USA
| | - Alex McLaren
- Orthopaedic Surgery, University of Arizona College of Medicine - Phoenix, Phoenix, USA
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11
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Toler KO, Paranjape PR, McLaren A, Levine B, Ong A, Deirmengian C. Nationwide Results of Microorganism Antigen Testing as a Component of Preoperative Synovial Fluid Analysis. J Bone Joint Surg Am 2023; 105:448-454. [PMID: 36728014 DOI: 10.2106/jbjs.22.00807] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
BACKGROUND Antigen immunoassays to detect synovial fluid (SF) microorganisms have recently been made available for clinical use. The purpose of this study was to determine the sensitivity and specificity of an SF microorganism antigen immunoassay detection (MID) panel, evaluate the panel's capability to detect microorganisms in the setting of culture-negative periprosthetic joint infection (PJI), and determine diagnostic predictive values of the MID panel for PJI. METHODS This study included 67,441 SF samples obtained from a hip or knee arthroplasty, from 2,365 institutions across the United States, submitted to 1 laboratory for diagnostic testing. All data were prospectively compiled and then were analyzed retrospectively. Preoperative SF data were used to classify each specimen by the International Consensus Meeting (2018 ICM) definition of PJI: 49,991 were not infected, 5,071 were inconclusive, and 12,379 were infected. The MID panel, including immunoassay tests to detect Staphylococcus, Candida, and Enterococcus, was evaluated to determine its diagnostic performance. RESULTS The MID panel demonstrated a sensitivity of 94.2% for infected samples that yielded positive cultures for target microorganisms (Staphylococcus, Candida, or Enterococcus). Among infected samples yielding positive cultures for their respective microorganism, individual immunoassay test sensitivity was 93.0% for Staphylococcus, 92.3% for Candida, and 97.2% for Enterococcus. The specificity of the MID panel for samples that were not infected was 98.4%, yielding a false-positive rate of 1.6%. The MID panel detected microorganisms among 49.3% of SF culture-negative infected samples. For PJI as a diagnosis, the positive predictive value of the MID panel was 91.7% and the negative predictive value was 93.8%. Among MID-positive PJIs, 16.2% yielded a discordant cultured organism instead of that detected by the antigen test. CONCLUSIONS SF microorganism antigen testing provides a timely adjunct method to detect microorganisms in the preoperative SF aspirate, yielding a low false-positive rate and enabling the detection of a microorganism in nearly one-half of SF culture-negative PJIs. LEVEL OF EVIDENCE Prognostic Level II . See Instructions for Authors for a complete description of levels of evidence.
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Affiliation(s)
| | | | - Alex McLaren
- Department of Orthopaedic Surgery, University of Arizona College of Medicine-Phoenix, Phoenix, Arizona
| | - Brett Levine
- Department of Orthopaedics, Rush University Medical Center, Chicago, Illinois
| | - Alvin Ong
- Department of Orthopaedic Surgery, Rothman Orthopaedic Institute, Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Carl Deirmengian
- Department of Orthopaedic Surgery, Rothman Orthopaedic Institute, Thomas Jefferson University, Philadelphia, Pennsylvania
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12
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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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13
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Dmitrov IA, Zagorodniy NV, Obolenskiy VN, Leval' PS, Zakharyan NG, Apresyan VS, Panin MA, Samkovich DA, Aliev RN, Grigoryan AA. Diagnosis and treatment of periprosthetic infection after hip replacement (a review). BULLETIN OF THE MEDICAL INSTITUTE "REAVIZ" (REHABILITATION, DOCTOR AND HEALTH) 2022. [DOI: 10.20340/vmi-rvz.2022.6.clin.7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Introduction. The frequency of hip arthroplasty is steadily increasing throughout the world and, although this operation has become routine, the likelihood of postoperative complications reaches 4.3 % [1]. The most dangerous of them are infectious lesions in the area of the endoprosthesis and adjacent tissues. At the same time, in addition to the threat of generalization of the infectious process, there are functional disorders in the joint area and a general deterioration in the quality of life of the patient. Timely diagnosis and treatment of the infectious process and related disorders can minimize the adverse effects of infection.Target. The purpose of this review is to analyze modern methods for diagnosing and treating periprosthetic infection resulting from hip replacement.Materials and methods. The subject literature was searched using the PubMed and Google Sholar databases.Results. The main methods for diagnosing periprosthetic infection include histological and bacteriological examination of the biopsy specimen, determination of sensitivity to antibiotics, blood, and synovial fluid analysis for the content of leukocytes, IL-6, CRP, PCR diagnostics of infectious agents. Treatment consists of re-intervention and/or antibiotic therapy.Conclusion. The most optimal method for diagnosing periprosthetic infection is a bacteriological study of biopsy specimens taken intraoperatively. The preferred method of treatment is determined by the severity of the infection, the degree of involvement of tissues adjacent to the prosthesis, the comorbid background, the nature of the infectious agent, and includes repeated revision surgery.
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Affiliation(s)
| | - N. V. Zagorodniy
- RUDN University; Pirogov Russian National Research Medical University
| | - V. N. Obolenskiy
- Pirogov Russian National Research Medical University; City Clinical Hospital No. 13
| | - P. Sh. Leval'
- City Clinical Hospital No. 13; European Clinic of Traumatology and Orthopedics (ECSTO)
| | | | | | - M. A. Panin
- RUDN University; City Clinical Hospital No. 17
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14
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Synovial C-Reactive Protein is a Useful Adjunct for Diagnosis of Periprosthetic Joint Infection. J Arthroplasty 2022; 37:2437-2443.e1. [PMID: 35750152 DOI: 10.1016/j.arth.2022.06.016] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 06/14/2022] [Accepted: 06/16/2022] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND The diagnostic utility of synovial C-reactive protein (CRP) has been debated for a while. Existing studies are limited by small sample sizes and using outdated criteria for periprosthetic joint infection (PJI). Furthermore, the relationship between synovial and serum CRP has rarely been investigated in the setting of PJI. This study aimed to evaluate the diagnostic utility of synovial CRP and to assess its relationship with serum CRP and other common biomarkers. METHODS We reviewed 621 patients who underwent evaluation for PJI prior to revision arthroplasty from 2014 to 2021. Biomarkers, including serum CRP and erythrocyte sedimentation rate, synovial CRP, polymorphonuclear leukocyte percentage, white blood cell count, and alpha-defensin, were evaluated using the 2018 International Consensus Meeting criteria. RESULTS In total, 194 patients had a PJI; 394 were considered aseptic failures and 33 were inconclusive. Synovial CRP showed an area under the curve (AUC) of 0.951 (95% CI, 0.932-0.970) with 74.2% sensitivity and 98.0% specificity, whereas, serum CRP had an AUC of 0.926 (95% CI, 0.903-0.949) with 83.5% sensitivity and 88.3% specificity. There was a good correlation between synovial and serum CRP (R = 0.703; 95% CI, 0.604-0.785). The combination of serum and synovial CRP yielded a significantly higher AUC than that obtained when using serum CRP alone (AUC 0.964 versus 0.926, P = .016). CONCLUSION Synovial CRP demonstrated excellent accuracy when used to determine the presence of PJI. There was a good correlation between serum and synovial CRP levels in revision arthroplasty patients and the combined use of serum and synovial CRP proved to be more accurate than the serum test alone. These findings support the use of synovial CRP as an adjunct in the workup of PJI.
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15
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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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16
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Metal Artefact Reduction Sequences (MARS) in Magnetic Resonance Imaging (MRI) after Total Hip Arthroplasty (THA). BMC Musculoskelet Disord 2022; 23:620. [PMID: 35764987 PMCID: PMC9238049 DOI: 10.1186/s12891-022-05560-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Accepted: 06/17/2022] [Indexed: 11/10/2022] Open
Abstract
Background In the past, radiographic imaging was of minor relevance in the diagnosis of periprosthetic joint infections (PJI). Since metal artefact reduction sequences (MARS) are available, magnetic resonance imaging (MRI) has become a promising diagnostic tool for the evaluation of hip arthroplasty implants. The purpose of the present study was to evaluate the efficacy of MARS-MRI in comparison to established diagnostic tools to distinguish between aseptic failure and PJI. Methods From July 2018 to September 2019, 33 patients classified as having an aseptic joint effusion were recruited into the study. The group included 22 women and 11 men with a mean age of 70.4 ± 13.7 (42–88) years. In the same period, 12 patients were classified as having a PJI. The group consisted of 9 women and 3 men with a mean age of 72.5 ± 10.6 (54–88) years. MARS-MRI was conducted using the optimized parameters at 1.5 T in a coronal and axial STIR (short-tau-inversion recovery), a non-fat-saturated T2 in coronal view and a non-fat-saturated T1 in transverse view in 45 patients with painful hip after total hip arthroplasty (THA). Normally distributed continuous data were shown as mean ± standard deviation (SD) and compared using student's t-test. Non-normally distributed continuous data were shown as mean and compared using the Mann–Whitney U test. Results Synovial layering and muscle edema were significant features of periprosthetic joint infection, with sensitivities of 100% and specifities of 63.0—75.0%. The combined specifity and sensitivity levels of synovial layering and muscular edema was 88.0% and 90.0%. Granulomatous synovitis was a significant feature for aseptic failure, with 90.0% sensitivity and 57.0% specifity. Conclusion MARS-MRI is as suitable as standard diagnostic tools to distinguish between aseptic failure and PJI in patients with THA. Further studies with larger patient numbers have to prove whether MARS-MRI could be integral part of PJI diagnostic.
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Gazendam A, Wood TJ, Tushinski D, Bali K. Diagnosing Periprosthetic Joint Infection: a Scoping Review. Curr Rev Musculoskelet Med 2022; 15:219-229. [PMID: 35368214 DOI: 10.1007/s12178-022-09751-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 02/15/2022] [Indexed: 12/12/2022]
Abstract
PURPOSE OF REVIEW The goal of this review is to provide an up to date understanding of the utility and limitations of the current tests utilized in the diagnosis of periprosthetic joint infection (PJI) in total knee and hip arthroplasty. RECENT FINDINGS Despite the growth in literature surrounding PJI diagnosis, there remains challenges in establishing a diagnosis of PJI. A combination of clinical, serum, and synovial tests and microbiologic and histologic examinations can yield a diagnosis in the majority of cases. Novel molecular and imaging studies may be beneficial for indeterminant cases. A number of emerging diagnostic tests have been proposed and may be incorporated into diagnostic algorithms in the future. Recently proposed stepwise diagnostic algorithms have shown high sensitivity and specificity. The diagnosis of PJI remains challenging due to a lack of tests that can definitively rule out infection. Diagnosis and investigations should occur in a stepwise fashion. There has been a plethora of new diagnostic tests introduced in attempts to improve the accuracy of diagnostic algorithms. The definition and algorithms for the diagnoses of PJI will continue to evolve as new techniques and tests are introduced.
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Affiliation(s)
- Aaron Gazendam
- Department of Surgery, Division of Orthopaedic Surgery, McMaster University, Hamilton, Ontario, Canada
| | - Thomas J Wood
- Department of Surgery, Division of Orthopaedic Surgery, McMaster University, Hamilton, Ontario, Canada
| | - Daniel Tushinski
- Department of Surgery, Division of Orthopaedic Surgery, McMaster University, Hamilton, Ontario, Canada
| | - Kamal Bali
- Department of Surgery, Division of Orthopaedic Surgery, McMaster University, Hamilton, Ontario, Canada. .,Juravinski Hospital, 711 Concession St, Hamilton, Ontario, L8V 1C3, Canada.
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18
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Preoperative Serum C-Reactive Protein/Albumin Ratio Is a Predictor of Complications After Single-stage Revision for the Treatment of Periprosthetic Joint Infection. J Am Acad Orthop Surg 2021; 29:e1013-e1024. [PMID: 34570745 DOI: 10.5435/jaaos-d-20-00613] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Accepted: 08/29/2020] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND The C-reactive protein/albumin ratio (CAR) is a marker of inflammation that has been associated with negative outcomes in the general surgery. This study investigates the potential association of preoperative CAR with postoperative complications and readmission rates in the treatment of patients with single-stage revision total joint arthroplasty for periprosthetic joint infection. METHODS A total of 213 consecutive patients who had undergone single-stage revision for total joint arthroplasty with the preoperative diagnosis of periprosthetic joint infection and preoperative C-reactive protein and albumin values were included. The area under receiver operating characteristic curves was calculated to evaluate the CAR as a predictive value for the complications. RESULTS Significant differences between the mean CAR were found for patients with 30- and 60-day readmissions and reinfection (P < 0.01). CAR combined with serum and synovial fluid markers demonstrated significantly higher sensitivities and specificities for the prediction of 30-day (total knee arthroplasty [TKA]: 94%; 95%; total hip arthroplasty [THA]: 91%; 96%) and 60-day readmissions (THA: 94%; 95%; TKA: 92%; 96%) and reinfections (TKA: 94%; 95%; THA: 87%; 96%), when compared with only serum and synovial fluid markers combined (83%; 84%; 85%; 87%; 85%; 88%; P <0.01). DISCUSSION High preoperative CAR, when combined with serum and synovial fluid markers, was associated with increased risk of reinfection and 30- and 60-day readmissions, suggesting that preoperative CAR is a clinically useful predictor for postoperative complications in patients with periprosthetic hip and knee joint infections.
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19
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Wang H, Qin L, Wang J, Hu N, Huang W. Combined serum and synovial C-reactive protein tests: a valuable adjunct to the diagnosis of chronic prosthetic joint infection. BMC Musculoskelet Disord 2021; 22:670. [PMID: 34372816 PMCID: PMC8353858 DOI: 10.1186/s12891-021-04545-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Accepted: 07/28/2021] [Indexed: 01/08/2023] Open
Abstract
Background Diagnosis of periprosthetic joint infection (PJI), especially chronic PJI, is very confusing and challenging. The value of C-reactive protein (CRP) in infectious diseases has been recognized, but the diagnostic value of CRP in chronic PJI is unknown. Our aim was to investigate the diagnostic value of synovial CRP in chronic PJI and to explore the role of combined serum and synovial CRP in distinguishing chronic PJI from aseptic failure after knee and hip arthroplasties. Methods We prospectively enrolled patients scheduled to have a revision surgery for chronic PJI or aseptic loosening from January 2019 to December 2020, in which synovial CRP was additionally measured along with routine preoperative diagnostic serum ((ESR, CRP) and synovial (PMN%) biomarkers. The receiver operating characteristic (ROC) curves and area under the curve (AUC) were analyzed for each biomarker to determine diagnostic efficacy. Results There were no statistically significant differences between the infection (n = 39) and aseptic (n = 58) groups, including 61 hips and 36 knees. The synovial CRP levels were significantly higher in the infection group than in the aseptic group (median: 9.93 mg/l vs 3.58 mg/l; p < .001). The optimal cut-off value for detecting chronic PJI of Synovial fluid (SF) CRP was of 7.26 mg/l with a sensitivity of 84.62%, a specificity of 93.10%. The combined model I (Serum CRP > 10.2 mg/l OR SF CRP > 7.26 mg/l) had a negative predictive value (NPV) of 96.67%, and a sensitivity of 97.44%. The combined model II (Serum CRP > 10.2 mg/l AND Synovial CRP > 7.26 mg/l) led to a specificity of 1, and a positive predictive value (PPV) of 1. Conclusions The present study demonstrated that the combination of serum and synovial CRP can be used as an adjunct to the diagnosis of chronic PJI. Supplementary Information The online version contains supplementary material available at 10.1186/s12891-021-04545-6.
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Affiliation(s)
- Hai Wang
- Department of Orthopaedics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China.,Department of Orthopaedics, Fuling Central Hospital of Chongqing City, Chongqing, 408099, China
| | - Leilei Qin
- Department of Orthopaedics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
| | - Jiawei Wang
- Department of Orthopaedics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
| | - Ning Hu
- Department of Orthopaedics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
| | - Wei Huang
- Department of Orthopaedics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China.
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Jauregui JJ, Tran A, Kaveeshwar S, Nadarajah V, Chaudhri MW, Henn RF, Gilotra MN, Hasan SA. Diagnosing a periprosthetic shoulder infection: A systematic review. J Orthop 2021; 26:58-66. [PMID: 34305349 DOI: 10.1016/j.jor.2021.07.012] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2021] [Accepted: 07/11/2021] [Indexed: 01/16/2023] Open
Abstract
Introduction The aim of this study was to systematically review the literature regarding accurate shoulder prosthetic joint infection (PJI) diagnosis. Methods Using PRISMA guidelines, we analyzed 25 studies reporting on 5535 patients and 646 infections. Results Cutibacterium acnes (C. acnes) cultures were positive in 60% of patients. Serum markers WBC, CRP, ESR, and IL-6 appear to lack diagnostic reliability. Synovial IL-6 and alpha-defensin may be more accurate in detecting infections. Conclusion Synovial IL-6 and alpha-defensin appear to have greater utility than serum markers. These may be incorporated into new criteria to accurately diagnose shoulder PJI. Level of evidence IV.
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Affiliation(s)
- Julio J Jauregui
- Department of Orthopaedics, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Andrew Tran
- Department of Orthopaedics, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Samir Kaveeshwar
- Department of Orthopaedics, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Vidushan Nadarajah
- Department of Orthopaedic Surgery, SUNY Downstate Medical Center, Brooklyn, NY, USA
| | - Moiuz W Chaudhri
- Department of Orthopaedic Surgery, SUNY Downstate Medical Center, Brooklyn, NY, USA
| | - R Frank Henn
- Department of Orthopaedics, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Mohit N Gilotra
- Department of Orthopaedics, University of Maryland School of Medicine, Baltimore, MD, USA
| | - S Ashfaq Hasan
- Department of Orthopaedics, University of Maryland School of Medicine, Baltimore, MD, USA
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21
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Liu X, Jiang N, Wang T, Yu B. Serum and Synovial Biomarkers for the Diagnosis of Implant-Associated Infection After Orthopedic Surgery. Orthopedics 2021; 44:e158-e166. [PMID: 33416900 DOI: 10.3928/01477447-20210104-07] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Implant-associated infection is one of the most devastating complications following orthopedic surgery. Early identification is crucial for treatment. Currently, however, a reliable diagnostic tool is lacking, partly due to disparate bacteria colonies (virulent vs non-virulent), difficulty in distinguishing infection from inflammatory disease, and highly diverse diagnostic thresholds and testing methods. Given the importance of biomarkers in the initial screening for the infection, an extensive effort has been made to develop serum and synovial biomarkers. In this review, the authors summarize the results from the most relevant studies to provide comprehensive information on biomarkers for the diagnosis of implant-associated infection. [Orthopedics. 2021;44(2):e158-e166.].
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22
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Imagama T, Seki K, Seki T, Matsuki Y, Yamazaki K, Sakai T. Low frequency of local findings in periprosthetic hip infection caused by low-virulent bacteria compared to periprosthetic knee infection. Sci Rep 2021; 11:11714. [PMID: 34083643 PMCID: PMC8175376 DOI: 10.1038/s41598-021-91139-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Accepted: 05/20/2021] [Indexed: 11/09/2022] Open
Abstract
Periprosthetic joint infection (PJI) is suspected when local findings such as pain, swelling, hyperthermia, and sinus tract are present. However, the frequency of these findings and the difference between hip and knee are unclear. This study compared the positive rates of local findings in periprosthetic hip infection (PHI) with periprosthetic knee infection (PKI), and aimed to identify potential risk factors associated with the frequency. One hundred one PJI (46 hips and 55 knees) fulfilled the 2018 Musculoskeletal infection society criteria were analysed retrospectively to assess the positive rates of each local finding. Patients were categorized into two groups based on the presence or absence of each local finding, and the influence of two potential risk factors [body mass index (BMI) and C-reactive protein (CRP)] was investigated. Causative bacterial species were divided into high and low-virulent groups, and then culture negative cases were included in low-virulent group. PHI had significantly lower rates of pain, swelling and hyperthermia compared to PKI. Overall, up to one-third of PHI had pain as only symptom. High BMI and low-virulent bacteria were associated with lower frequency of swelling and hyperthermia in PHI. CRP had no impact on positive rates of local findings. PHI was oligosymptomatic in a significant percentage of cases. This is particularly important in obese patients and infection by low-virulent bacteria.
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Affiliation(s)
- Takashi Imagama
- Department of Orthopaedic Surgery, Yamaguchi University Graduate School of Medicine, 1-1-1, Minamikogushi, Ube, 7558505, Japan.
| | - Kazushige Seki
- Department of Orthopaedic Surgery, Yamaguchi University Graduate School of Medicine, 1-1-1, Minamikogushi, Ube, 7558505, Japan
| | - Toshihiro Seki
- Department of Orthopaedic Surgery, Yamaguchi University Graduate School of Medicine, 1-1-1, Minamikogushi, Ube, 7558505, Japan
| | - Yuta Matsuki
- Department of Orthopaedic Surgery, Yamaguchi University Graduate School of Medicine, 1-1-1, Minamikogushi, Ube, 7558505, Japan
| | - Kazuhiro Yamazaki
- Department of Orthopaedic Surgery, Yamaguchi University Graduate School of Medicine, 1-1-1, Minamikogushi, Ube, 7558505, Japan
| | - Takashi Sakai
- Department of Orthopaedic Surgery, Yamaguchi University Graduate School of Medicine, 1-1-1, Minamikogushi, Ube, 7558505, Japan
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23
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Praz C, Gubbiotti L, Buia G, Chapus V, Dunet J, Grandhomme F, Michon J, Rochcongar G, Hulet C. Value of the synovial C-reactive protein test in the diagnosis of total hip and knee periprosthetic joint infections: A case-control study. Orthop Traumatol Surg Res 2021; 107:102903. [PMID: 33775885 DOI: 10.1016/j.otsr.2021.102903] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 10/20/2020] [Accepted: 10/27/2020] [Indexed: 02/03/2023]
Abstract
INTRODUCTION The diagnosis of periprosthetic joint infection (PJI) can be challenging and rests on several principles. The use of diagnostic biomarkers, such as the synovial C-Reactive Protein (CRP), seems promising. The purpose of this study was to determine whether synovial CRP was a more discriminating test than serum CRP for the diagnosis of hip and knee PJI. MATERIALS AND METHODS In total, 194 patients were included in this single center prospective study: 42 primary arthroplasties (control group [CG]), 111 revisions for aseptic prosthesis (aseptic revision group [ARG]), and 41 revisions for septic prosthesis (septic revision group [SRG]) based on the Musculoskeletal Infection Society (MSIS) criteria. RESULTS The serum and synovial CRP levels were significantly higher in the SRG than the other two groups (SRG serum CRP=75.6mg/L vs. ARG serum CRP=6mg/L and CG serum CRP=2.7mg/L, p<0.001; SRG synovial CRP=31.5mg/L vs. CG synovial CRP=2.6mg/L and ARG synovial CRP=1.7mg/L, p<0.001). The positive likelihood ratios (LR+) were very similar for both the synovial CRP cut-off value of 4.4mg/L (LR+=7.04; sensitivity [Se] 82.5%, specificity [Sp] 88.3%) and the serum CRP cut-off value of 9mg/L (LR+=6.3; Se 87.5%, Sp 86.1%). CONCLUSION This study showed that synovial CRP testing was not more discriminating than serum CRP in the diagnosis of hip and knee PJI. A serum CRP level greater than 9mg/L was a sign of PJI. LEVEL OF EVIDENCE III; case-control study.
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Affiliation(s)
- César Praz
- Unit Inserm COMETE, UMR U1075, département de chirurgie orthopédique et traumatologique, centre hospitalo-universitaire de Caen, avenue de la Côte-de-Nacre, 14000 Caen, France.
| | - Laura Gubbiotti
- Unit Inserm COMETE, UMR U1075, département de chirurgie orthopédique et traumatologique, centre hospitalo-universitaire de Caen, avenue de la Côte-de-Nacre, 14000 Caen, France
| | - Geoffrey Buia
- Unit Inserm COMETE, UMR U1075, département de chirurgie orthopédique et traumatologique, centre hospitalo-universitaire de Caen, avenue de la Côte-de-Nacre, 14000 Caen, France
| | - Valentin Chapus
- Unit Inserm COMETE, UMR U1075, département de chirurgie orthopédique et traumatologique, centre hospitalo-universitaire de Caen, avenue de la Côte-de-Nacre, 14000 Caen, France
| | - Julien Dunet
- Unit Inserm COMETE, UMR U1075, département de chirurgie orthopédique et traumatologique, centre hospitalo-universitaire de Caen, avenue de la Côte-de-Nacre, 14000 Caen, France
| | - Frederique Grandhomme
- Secteurs biochimie et hormonologie, centre hospitalo-universitaire de Caen, avenue de la Côte-de-Nacre, 14000 Caen, France
| | - Jocelyn Michon
- Unit Inserm COMETE, UMR U1075, département de chirurgie orthopédique et traumatologique, centre hospitalo-universitaire de Caen, avenue de la Côte-de-Nacre, 14000 Caen, France
| | - Goulven Rochcongar
- Unit Inserm COMETE, UMR U1075, département de chirurgie orthopédique et traumatologique, centre hospitalo-universitaire de Caen, avenue de la Côte-de-Nacre, 14000 Caen, France
| | - Christophe Hulet
- Unit Inserm COMETE, UMR U1075, département de chirurgie orthopédique et traumatologique, centre hospitalo-universitaire de Caen, avenue de la Côte-de-Nacre, 14000 Caen, France
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24
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Sayan A, Kopiec A, Shahi A, Chowdhry M, Bullock M, Oliashirazi A. The Expanding Role of Biomarkers in Diagnosing Infection in Total Joint Arthroplasty: A Review of Current Literature. THE ARCHIVES OF BONE AND JOINT SURGERY 2021; 9:33-43. [PMID: 33778113 DOI: 10.22038/abjs.2020.42989.2169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Consistent diagnosis of periprosthetic infection in total joint arthroplasty continues to elude the orthopedic surgeon because no gold standard test exists. Therefore clinicians must rely on a combination of tests to help aid the diagnosis. The expanding role of biomarkers has shown promising results to more accurately diagnose an infection when combined with clinical suspicion and bacterial culture testing. This paper reviews the diagnostic capabilities of the most current serum and synovial biomarkers as well as next generation sequencing in the setting of periprosthetic joint infection. Future research and high-powered studies will be necessary to determine sensitivity and specificity of each biomarker.
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Affiliation(s)
- Ardalan Sayan
- Department of Orthopaedics, Marshall University - Joan C. Edwards School of Medicine, Huntington, WV, USA
| | - Adam Kopiec
- Department of Orthopaedics, Marshall University - Joan C. Edwards School of Medicine, Huntington, WV, USA
| | - Alisina Shahi
- Department of Orthopaedics, Marshall University - Joan C. Edwards School of Medicine, Huntington, WV, USA
| | - Madhav Chowdhry
- Department of Orthopaedics, Marshall University - Joan C. Edwards School of Medicine, Huntington, WV, USA
| | - Matthew Bullock
- Department of Orthopaedics, Marshall University - Joan C. Edwards School of Medicine, Huntington, WV, USA
| | - Ali Oliashirazi
- Department of Orthopaedics, Marshall University - Joan C. Edwards School of Medicine, Huntington, WV, USA
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25
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Rönnelid J, Knight A, Lysholm J, Manivel VA, Sohrabian A, Larsson A, Weitoft T. High levels of interleukin-6 in rheumatoid arthritis joint fluids can stimulate local production of C-reactive protein resulting in elevated circulating levels. Joint Bone Spine 2021; 88:105159. [PMID: 33561534 DOI: 10.1016/j.jbspin.2021.105159] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Accepted: 01/27/2021] [Indexed: 11/17/2022]
Affiliation(s)
- Johan Rönnelid
- Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala, Sweden.
| | - Ann Knight
- Section of Rheumatology, Department of Medical Sciences, Uppsala University, Uppsala, Sweden
| | | | - Vivek Anand Manivel
- Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala, Sweden
| | - Azita Sohrabian
- Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala, Sweden
| | - Anders Larsson
- Department of Medical Sciences, Section of Clinical Chemistry, Uppsala University, Uppsala, Sweden
| | - Tomas Weitoft
- Department of Research and Development, Uppsala University/Region of Gävleborg, Gävle, Sweden
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26
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Leta TH, Gjertsen JE, Dale H, Hallan G, Lygre SHL, Fenstad AM, Dyrhovden GS, Westberg M, Wik TS, Jakobsen RB, Aamodt A, Röhrl SM, Gøthesen ØJ, Lindalen E, Heir S, Ludvigsen J, Bruun T, Hansen AK, Aune KEM, Warholm M, Skjetne JP, Badawy M, Høvding P, Husby OS, Karlsen ØE, Furnes O. Antibiotic-Loaded Bone Cement in Prevention of Periprosthetic Joint Infections in Primary Total Knee Arthroplasty: A Register-based Multicentre Randomised Controlled Non-inferiority Trial (ALBA trial). BMJ Open 2021; 11:e041096. [PMID: 33509845 PMCID: PMC7845702 DOI: 10.1136/bmjopen-2020-041096] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
INTRODUCTION The current evidence on the efficacy of antibiotic-loaded bone cement (ALBC) in reducing the risk of periprosthetic joint infections (PJI) after primary joint reconstruction is insufficient. In several European countries, the use of ALBC is routine practice unlike in the USA where ALBC use is not approved in low-risk patients. Therefore, we designed a double-blinded pragmatic multicentre register-based randomised controlled non-inferiority trial to investigate the effects of ALBC compared with plain bone cement in primary total knee arthroplasty (TKA). METHODS AND ANALYSIS A minimum of 9,172 patients undergoing full-cemented primary TKA will be recruited and equally randomised into the ALBC group and the plain bone cement group. This trial will be conducted in Norwegian hospitals that routinely perform cemented primary TKA. The primary outcome will be risk of revision surgery due to PJI at 1-year of follow-up. Secondary outcomes will be: risk of revision due to any reason including aseptic loosening at 1, 6, 10 and 20 years of follow-up; patient-related outcome measures like function, pain, satisfaction and health-related quality of life at 1, 6 and 10 years of follow-up; risk of changes in the microbial pattern and resistance profiles of organisms cultured in subsequent revisions at 1, 6, 10 and 20 years of follow-up; cost-effectiveness of routine ALBC versus plain bone cement use in primary TKA. We will use 1:1 randomisation with random permuted blocks and stratify by participating hospitals to randomise patients to receive ALBC or plain bone cement. Inclusion, randomisation and follow-up will be through the Norwegian Arthroplasty Register. ETHICS AND DISSEMINATION The trial was approved by the Western Norway Regional Committees on Medical and Health Research Ethics (reference number: 2019/751/REK vest) on 21 June 2019. The findings of this trial will be disseminated through peer-reviewed publications and conference presentations. TRIAL REGISTRATION NUMBER NCT04135170.
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Affiliation(s)
- Tesfaye H Leta
- Faculty of Health Science, VID Specialized University, Bergen, Norway
- The Norwegian Arthroplasty Register, Department of Orthopedic Surgery, Haukeland University Hospital, Bergen, Norway
| | - Jan-Erik Gjertsen
- The Norwegian Arthroplasty Register, Department of Orthopedic Surgery, Haukeland University Hospital, Bergen, Norway
- Department of Clinical Medicine, Faculty of Medicine, University of Bergen, Bergen, Norway
| | - Håvard Dale
- The Norwegian Arthroplasty Register, Department of Orthopedic Surgery, Haukeland University Hospital, Bergen, Norway
- Department of Clinical Medicine, Faculty of Medicine, University of Bergen, Bergen, Norway
| | - Geir Hallan
- The Norwegian Arthroplasty Register, Department of Orthopedic Surgery, Haukeland University Hospital, Bergen, Norway
- Department of Clinical Medicine, Faculty of Medicine, University of Bergen, Bergen, Norway
| | - Stein Håkon Låstad Lygre
- The Norwegian Arthroplasty Register, Department of Orthopedic Surgery, Haukeland University Hospital, Bergen, Norway
- Department of Occupational Medicine, Haukeland University Hospital, Bergen, Norway
| | - Anne Marie Fenstad
- The Norwegian Arthroplasty Register, Department of Orthopedic Surgery, Haukeland University Hospital, Bergen, Norway
| | - Gro Sævik Dyrhovden
- Department of Clinical Medicine, Faculty of Medicine, University of Bergen, Bergen, Norway
| | - Marianne Westberg
- Division of Orthopedic Surgery, Oslo University Hospital, Oslo, Norway
| | - Tina Stromdal Wik
- Department of Orthopedic Surgery, St. Olavs Hospital, Trondheim, Norway
- Department of Neuromedicine and Movement Science, Faculty of Medicine and Health Science, The Norwegian University of Science and Technology, Bergen, Norway
| | - Rune Bruhn Jakobsen
- Department of Health Management and Health Economics, University of Oslo, Oslo, Norway
- Department of Orthopedic Surgery, Akershus Universitetssykehus HF, Oslo, Norway
| | - Arild Aamodt
- Department of Orthopaedic Surgery, Lovisenberg Diakonal Hospital, Oslo, Norway
| | | | - Øystein Johannes Gøthesen
- Department of Clinical Medicine, Faculty of Medicine, University of Bergen, Bergen, Norway
- Department of Orthopaedic, Haugesund Hospital for Rheumatic Diseases, Haugesund, Norway
| | - Einar Lindalen
- Department of Orthopaedic Surgery, Lovisenberg Diakonal Hospital, Oslo, Norway
| | - Stig Heir
- Department of Orthopedic Surgery, Martina Hansens Hospital, Sandvika, Norway
| | - Jarle Ludvigsen
- Department of Orthopedic Surgery, Stavanger University Hospital, Stavanger, Norway
| | - Trond Bruun
- Department of Medicine, Haukeland University Hospital, Bergen, Norway
| | - Ann Kristin Hansen
- Department of Orthopedic Surgery, University Hospital of North Norway, Tromsø, Norway
- Department of Clinical Medicine, UiT-The Arctic University of Norway, Tromsø, Norway
| | | | - Marianne Warholm
- Department of Information and Communication Technology, Western Norway Regional Health Authority, Bergen, Norway
| | - John Petter Skjetne
- Department of Information and Technology, Central Norway Regional Health Authority, Trondheim, Norway
| | - Mona Badawy
- Coastal Hospital in Hagavik, Department of Orthopaedic Surgery, Haukeland University Hospital, Bergen, Norway
| | - Pål Høvding
- The Norwegian Arthroplasty Register, Department of Orthopedic Surgery, Haukeland University Hospital, Bergen, Norway
| | | | | | - Ove Furnes
- The Norwegian Arthroplasty Register, Department of Orthopedic Surgery, Haukeland University Hospital, Bergen, Norway
- Department of Clinical Medicine, Faculty of Medicine, University of Bergen, Bergen, Norway
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27
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Leta TH, Lygre SHL, Schrama JC, Hallan G, Gjertsen JE, Dale H, Furnes O. Outcome of Revision Surgery for Infection After Total Knee Arthroplasty: Results of 3 Surgical Strategies. JBJS Rev 2020; 7:e4. [PMID: 31188156 DOI: 10.2106/jbjs.rvw.18.00084] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
BACKGROUND Periprosthetic joint infection (PJI) after knee arthroplasty surgery remains a serious complication, yet there is no international consensus regarding the surgical treatment of PJI. This study aimed to assess prosthesis survival rates, risk of revision, and mortality rate following different surgical strategies (1-stage versus 2-stage implant revision and irrigation and debridement with implant retention) that are used to treat PJI. METHODS The study was based on 644 total knee arthroplasties (TKAs) that were revised because of a deep infection (i.e., surgically treated PJI) and reported to the Norwegian Arthroplasty Register (NAR) from 1994 to 2016. Kaplan-Meier and multiple Cox regression analyses were performed to assess implant survival rate and risk of revision. We also studied mortality rates at 90 days and 1 year after revision for PJI. RESULTS During the follow-up period, 19% of the irrigation and debridement cases, 14% of the 1-stage revision cases, and 12% of the 2-stage revision cases underwent a subsequent revision because of a PJI. The 5-year Kaplan-Meier survival rate with revision for infection as the end point was 79% after irrigation and debridement, 87% after 1-stage revision, and 87% after 2-stage revision. There were no significant differences between 1-stage and 2-stage revisions with subsequent revision for any reason as the end point (relative risk [RR], 1.7; 95% confidence interval [CI], 0.9 to 3.5) and no difference with revision because of infection as the end point (RR, 1.6; 95% CI, 0.7 to 3.7). In an age-stratified analysis, however, the risk of revision for any reason was 4 times greater after 1-stage revision than after 2-stage revision in patients over the age of 70 years (RR, 4.3; 95% CI, 1.3 to 14.8). Age had no significant effect on the risk of subsequent revision for knees that had been revised with the irrigation and debridement procedure. The 90-day and 1-year mortality rates after revision for PJI were 1.2% and 2.5%, respectively. CONCLUSIONS Irrigation and debridement yielded good results compared with previous published studies. Although the 1-stage revisions resulted in a fourfold increase in risk of subsequent revision compared with the 2-stage revisions in older patients, the overall outcomes after 1-stage and 2-stage revisions were similar. LEVEL OF EVIDENCE Therapeutic Level III. See Instructions for Authors for a complete description of levels of evidence.
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Affiliation(s)
- Tesfaye H Leta
- Norwegian Arthroplasty Register, Department of Orthopaedic Surgery, Haukeland University Hospital, Bergen, Norway.,VID Specialized University, Bergen, Norway.,Haraldsplass Diaconal Hospital, Bergen, Norway
| | - Stein Håkon L Lygre
- Norwegian Arthroplasty Register, Department of Orthopaedic Surgery, Haukeland University Hospital, Bergen, Norway.,Department of Occupational Medicine, Haukeland University Hospital, Bergen, Norway
| | - Jan C Schrama
- Norwegian Arthroplasty Register, Department of Orthopaedic Surgery, Haukeland University Hospital, Bergen, Norway
| | - Geir Hallan
- Norwegian Arthroplasty Register, Department of Orthopaedic Surgery, Haukeland University Hospital, Bergen, Norway.,Institute for Clinical Medicine, University of Bergen, Bergen, Norway
| | - Jan-Erik Gjertsen
- Norwegian Arthroplasty Register, Department of Orthopaedic Surgery, Haukeland University Hospital, Bergen, Norway.,Institute for Clinical Medicine, University of Bergen, Bergen, Norway
| | - Håvard Dale
- Norwegian Arthroplasty Register, Department of Orthopaedic Surgery, Haukeland University Hospital, Bergen, Norway
| | - Ove Furnes
- Norwegian Arthroplasty Register, Department of Orthopaedic Surgery, Haukeland University Hospital, Bergen, Norway.,Institute for Clinical Medicine, University of Bergen, Bergen, Norway
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28
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Wasterlain AS, Goswami K, Ghasemi SA, Parvizi J. Diagnosis of Periprosthetic Infection: Recent Developments. J Bone Joint Surg Am 2020; 102:1366-1375. [PMID: 32769605 DOI: 10.2106/jbjs.19.00598] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
➤ There is no absolute test for the preoperative diagnosis of periprosthetic joint infection (PJI); thus, clinical practice relies on a combination of supportive tests and criteria.➤ Novel serum and synovial tests have improved our ability to diagnose PJI. The 2018 evidence-based algorithm for PJI diagnosis provides weighted scores for serum markers, as well as synovial markers, to facilitate diagnosis when major criteria such as positive cultures or a sinus tract are not present.➤ Culture-independent technologies such as next-generation sequencing can facilitate pathogen identification, particularly in the setting of culture-negative PJI.➤ Despite recent developments, PJI diagnosis remains challenging and warrants further innovation.
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Affiliation(s)
- Amy S Wasterlain
- Rothman Orthopaedic Institute at Thomas Jefferson University, Philadelphia, Pennsylvania
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29
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Senneville E, Robineau O, Loiez C, de Saint Vincent B, Dartus J, Migaud H. A profile on the Synovasure alpha defensin test for the detection of periprosthetic infections. Expert Rev Mol Diagn 2020; 20:895-904. [PMID: 32662687 DOI: 10.1080/14737159.2020.1792780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
INTRODUCTION Clinicians have waited a long time for a 'universal' marker that may help them distinguish infected from non-infected total joint arthroplasties when doubts persist after using classical clinical and biological signs of infection. In recent years, synovial fluid biomarkers including leukocyte esterase, alpha-defensins, and CRP have shown promising results for the diagnosis of periprosthetic joint infections (PJIs). AREAS COVERED This review provides an overview of the rational and the use of the Synovasure® alpha-defensin tests in patients with a suspicion of PJI. Using a systematic investigation by keywords, we looked for all citations (and the citations to these citations) of the selected papers. EXPERT OPINION The Synovasure® alpha-defensin tests demonstrate high potential for the diagnosis of PJIs. However, the data currently available also show that the universal marker of infection in the settings of PJIs is still to be discovered.
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Affiliation(s)
- Eric Senneville
- Rererent Center for Complex Bone and Joint Infections , Gustave Dron Hospital , Tourcoing, France.,Rererent Center for Complex Bone and Joint Infections, Roger Salengro Hospital , Lille, France.,Faculty of Medecine Henri Warembourg, Lille University , France
| | - Olivier Robineau
- Rererent Center for Complex Bone and Joint Infections , Gustave Dron Hospital , Tourcoing, France.,Rererent Center for Complex Bone and Joint Infections, Roger Salengro Hospital , Lille, France.,Faculty of Medecine Henri Warembourg, Lille University , France
| | - Caroline Loiez
- Rererent Center for Complex Bone and Joint Infections, Roger Salengro Hospital , Lille, France
| | - Benoit de Saint Vincent
- Rererent Center for Complex Bone and Joint Infections, Roger Salengro Hospital , Lille, France
| | - Julien Dartus
- Rererent Center for Complex Bone and Joint Infections, Roger Salengro Hospital , Lille, France
| | - Henri Migaud
- Rererent Center for Complex Bone and Joint Infections, Roger Salengro Hospital , Lille, France.,Faculty of Medecine Henri Warembourg, Lille University , France
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30
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Tsai TT, Huang TH, Ho NYJ, Chen YP, Chen CA, Chen CF. Development of a multiplex and sensitive lateral flow immunoassay for the diagnosis of periprosthetic joint infection. Sci Rep 2019; 9:15679. [PMID: 31666656 PMCID: PMC6821814 DOI: 10.1038/s41598-019-52051-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Accepted: 10/10/2019] [Indexed: 02/07/2023] Open
Abstract
The diagnosis of periprosthetic joint infection (PJI) remains a challenge. However, recent studies showed that synovial fluid biomarkers have demonstrated greater diagnostic accuracy than the currently used PJI diagnostic tests. In many diagnostic tests, combining several biomarkers into panels is critical for improving diagnostic efficiency, enhancing the diagnostic precision for specific diseases, and reducing cost. In this study, we prove that combining alpha-defensin and C-reactive protein (CRP) as biomarkers possesses the potential to provide accurate PJI diagnosis. To further verify the result, we developed a multi-target lateral flow immunoassay strip (msLFIA) with staking pad design to obtain on-site rapid response for clinical diagnosis of PJI. A total of 10 synovial fluid samples were tested using the msLFIA, and the results showed that the combined measurements of synovial fluid alpha-defensin and CRP levels were consistent with those obtained from a commercial enzyme-linked immunosorbent assay kit. In addition, we developed a multi-target lateral flow immunoassay strip (msLFIA) with staking pad design to obtain on-site rapid response for clinical diagnosis of PJI, which the multi-target design is used to increase specificity and the stacking pad design is to enhance detection sensitivity. As a result, the turnaround time of the highly sensitive test can be limited from several hours to 20 min. We expect that the developed msLFIA possesses the potential for routine monitoring of PJI as a convenient, low-cost, rapid and easy to use detection device for PJI.
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Affiliation(s)
- Tsung-Ting Tsai
- Department of Orthopaedic Surgery, Bone and Joint Research Center, Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Taoyuan, 333, Taiwan
| | - Tse-Hao Huang
- Department of Orthopaedic Surgery, Bone and Joint Research Center, Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Taoyuan, 333, Taiwan
| | - Natalie Yi-Ju Ho
- Department of Orthopaedic Surgery, Bone and Joint Research Center, Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Taoyuan, 333, Taiwan
| | - Yu-Pei Chen
- Department of Orthopaedic Surgery, Bone and Joint Research Center, Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Taoyuan, 333, Taiwan
| | - Chung-An Chen
- Department of Orthopaedic Surgery, Bone and Joint Research Center, Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Taoyuan, 333, Taiwan.,Institute of Applied Mechanics, National Taiwan University, Taipei, 106, Taiwan
| | - Chien-Fu Chen
- Institute of Applied Mechanics, National Taiwan University, Taipei, 106, Taiwan.
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31
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Plate A, Anagnostopoulos A, Glanzmann J, Stadler L, Weigelt L, Sutter R, Kästli M, Zinkernagel AS, Zingg PO, Achermann Y. Synovial C-reactive protein features high negative predictive value but is not useful as a single diagnostic parameter in suspected periprosthetic joint infection (PJI). J Infect 2019; 78:439-444. [PMID: 30965066 DOI: 10.1016/j.jinf.2019.04.003] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2019] [Revised: 03/29/2019] [Accepted: 04/01/2019] [Indexed: 01/08/2023]
Abstract
OBJECTIVES Synovial fluid C-reactive protein (syCRP) has been recently described as a new biomarker in preoperative diagnostics to identify periprosthetic joint infections (PJI). The aim of this study was to evaluate syCRP in a large cohort of patients with suspected PJI and to calculate the optimal cut-off to diagnose PJI. METHODS Between September 2015 and June 2017, we prospectively included patients with suspected PJI, in which syCRP was additionally measured along with routine preoperative diagnostic serum and synovial biomarkers. We analysed the sensitivity and specificity of syCRP using receiver operating characteristic curves. RESULTS We included 192 cases (hip n = 80, knee n = 91, shoulder n = 21) with a final diagnosis of PJI in 26 cases (14.0%). Combined for all joints, the syCRP values were significantly higher in the PJI group than in the no PJI group (median: 13.8 vs. 0 mg/l; p < 0.001). The optimal cut-off (Youden Index: 0.71) for the PJI diagnosis combined for all joints was at a syCRP value of 2.9 mg/l with a sensitivity of 88%, a specificity of 82%, and a negative predictive value of 98%. CONCLUSIONS SyCRP features high negative predictive value but is not useful as a single diagnostic parameter in suspected periprosthetic joint infection (PJI).
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Affiliation(s)
- A Plate
- Division of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich, University of Zurich, Raemistrasse 100, CH-8091 Zurich, Switzerland.
| | - A Anagnostopoulos
- Division of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich, University of Zurich, Raemistrasse 100, CH-8091 Zurich, Switzerland
| | - J Glanzmann
- Division of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich, University of Zurich, Raemistrasse 100, CH-8091 Zurich, Switzerland
| | - L Stadler
- Division of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich, University of Zurich, Raemistrasse 100, CH-8091 Zurich, Switzerland
| | - L Weigelt
- Department of Orthopaedics, Balgrist University Hospital, University of Zurich, Zurich, Switzerland
| | - R Sutter
- Department of Radiology, Balgrist University Hospital, University of Zurich, Zurich, Switzerland
| | - M Kästli
- Zentrallabour Zurich, Zurich, Switzerland
| | - A S Zinkernagel
- Division of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich, University of Zurich, Raemistrasse 100, CH-8091 Zurich, Switzerland
| | - P O Zingg
- Department of Orthopaedics, Balgrist University Hospital, University of Zurich, Zurich, Switzerland
| | - Y Achermann
- Division of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich, University of Zurich, Raemistrasse 100, CH-8091 Zurich, Switzerland
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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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Does inflammatory joint diseases affect the accuracy of infection biomarkers in patients with periprosthetic joint infections? A prospective comparative reliability study. J Orthop Sci 2019; 24:286-289. [PMID: 30268355 DOI: 10.1016/j.jos.2018.08.022] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2017] [Revised: 07/23/2018] [Accepted: 08/27/2018] [Indexed: 11/24/2022]
Abstract
BACKGROUND The diagnosis of periprosthetic joint infections (PJI) in patients with inflammatory joint diseases (IJD) could be challenging. Several tests used for diagnosing PJI may be inaccurate due to baseline inflammatory characteristics of such diseases. We aimed to evaluate the accuracy of several infection biomarkers, in a specific subgroup of patients with PJI and IJD. METHODS From January 2014 to August 2017, patients with resisting pain at the relevant site, following total knee arthroplasty were evaluated prospectively. A total of 38 patients were undergone revision arthroplasty. Patients were categorized in terms of MSIS criteria: Patients with PJI (Group 1, n = 17) and patients without PJI (Group 2, n = 21). Serum ESR, CRP, Procalcitonin, synovial cell count, percentage of neutrophils in synovial fluid, synovial CRP, Lactoferrin, ELA-2, Thiol - Disulphide levels, BPI and the Alpha defensin test results were obtained. The results of two groups were compared and the diagnostic accuracy of each variable was evaluated. RESULTS There were 22 women, 16 men with a mean age of 67.8 ± 6.9 years. The differences were significant in all evaluated biomarkers in terms of PJI (p values of all biomarker were <0.001). Alpha defensin, Lactoferrin, ELA-2, BPI, Procalcitonin and synovial CRP were the most accurate tests with area under curve >0.90. CONCLUSIONS Our results demonstrated that IJD may not affect the accuracy of infection biomarkers in patients with PJI. Alpha defensin test, Lactoferrin, ELA-2, BPI, Procalcitonin and synovial CRP can be used in the diagnosis of PJI in patients with IJD.
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Abdel Karim M, Andrawis J, Bengoa F, Bracho C, Compagnoni R, Cross M, Danoff J, Della Valle CJ, Foguet P, Fraguas T, Gehrke T, Goswami K, Guerra E, Ha YC, Klaber I, Komnos G, Lachiewicz P, Lausmann C, Levine B, Leyton-Mange A, McArthur BA, Mihalič R, Neyt J, Nuñez J, Nunziato C, Parvizi J, Perka C, Reisener MJ, Rocha CH, Schweitzer D, Shivji F, Shohat N, Sierra RJ, Suleiman L, Tan TL, Vasquez J, Ward D, Wolf M, Zahar A. Hip and Knee Section, Diagnosis, Algorithm: Proceedings of International Consensus on Orthopedic Infections. J Arthroplasty 2019; 34:S339-S350. [PMID: 30348566 DOI: 10.1016/j.arth.2018.09.018] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
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A meta-analysis of synovial biomarkers in periprosthetic joint infection: Synovasure™ is less effective than the ELISA-based alpha-defensin test. Knee Surg Sports Traumatol Arthrosc 2018; 26:3039-3047. [PMID: 29557491 DOI: 10.1007/s00167-018-4904-8] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/25/2017] [Accepted: 03/16/2018] [Indexed: 12/13/2022]
Abstract
PURPOSE (1) To determine the overall accuracy of synovial alpha-defensin, synovial C-reactive protein (sCRP), interleukin-6 (sIL-6), and leukocyte esterase (sLE) as diagnostic markers for periprosthetic joint infection (PJI) and (2) to independantly evaluate the accuracy of both the laboratory-based ELISA alpha-defensin test and the Synovasure™ alpha-defensin test kit. METHODS An EMBASE and MEDLINE (PubMed) database search was performed using a set of professionally set search terms. Two independent reviewers rated eligible articles. Sensitivity and specificity were meta-analysed using a bivariate random-effects model. RESULTS Accuracy values were extracted from 42 articles. Pooled sensitivity and specificity of the represented biomarkers were: alpha-defensin ELISA 0.97 (95% CI 0.91-0.99) and 0.97 (95% CI 0.94-0.98), respectively; Synovasure™ test kit assay 0.80 (95% CI 0.65-0.89) and 0.89 (95% CI 0.76-0.96), respectively; sLE 0.79 (95% CI 0.67-0.87) and 0.92 (95% CI 0.87-0.92), respectively; sIL-6 0.76 (95% CI 0.65-0.84) and 0.91 (95% CI 0.88-0.94), respectively; sCRP 0.86 (95% CI 0.81-0.91) and 0.90 (95% CI 0.86-0.93), respectively. CONCLUSION The labararory-based alpha-defensin ELISA test showed the highest ever reported accuracy for PJI diagnosis. However, this did not apply for the Synovasure™ alpha-defensin test, which was comparable in its overall diagnostic accuracy to sCRP, sIL-6 and sLE. The later biomarkers also did not yield an overall diagnostic accuracy higher than that previously reported for synovial white cell count (sWBC) or culture bacteriology. Based on current evidence, no synovial biomarker should be applied as a standalone diagnostic tool. Furthermore, the use of the laboratory-based alpha-defensin ELISA test should be encouraged, still, the Synovasure™ alpha-defensin test kit should be critically appreciated. LEVER OF EVIDENCE III.
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Mattiassich G, Ortmaier R, Rittenschober F, Hochreiter J. Diagnostic parameters in periprosthetic infections: the current state of the literature. EUROPEAN JOURNAL OF ORTHOPAEDIC SURGERY AND TRAUMATOLOGY 2018; 28:1573-1580. [PMID: 29948400 DOI: 10.1007/s00590-018-2238-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2018] [Accepted: 05/23/2018] [Indexed: 12/30/2022]
Abstract
Despite progress in recent years, a definitive diagnosis of PPI is not yet possible. Due to new diagnostic possibilities and the further development of already existing diagnostic tools, a more accurate diagnostic clarification of uncertain cases should be possible. The following article includes an overview of common existing diagnostic tools and instruments, which will likely gain importance in the future.
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Affiliation(s)
- G Mattiassich
- Department of Orthopaedic Surgery, Ordensklinikum Barmherzige Schwestern Linz, Vinzenzgruppe Center of Orthopaedic Excellence, Teaching Hospital of the Paracelsus Medical University Salzburg, Seilerstätte 4, 4020, Linz, Austria. .,Trauma Center Linz, Teaching Hospital of the Paracelsus Medical University Salzburg, Linz, Austria.
| | - R Ortmaier
- Department of Orthopaedic Surgery, Ordensklinikum Barmherzige Schwestern Linz, Vinzenzgruppe Center of Orthopaedic Excellence, Teaching Hospital of the Paracelsus Medical University Salzburg, Seilerstätte 4, 4020, Linz, Austria
| | - F Rittenschober
- Trauma Center Linz, Teaching Hospital of the Paracelsus Medical University Salzburg, Linz, Austria
| | - J Hochreiter
- Department of Orthopaedic Surgery, Ordensklinikum Barmherzige Schwestern Linz, Vinzenzgruppe Center of Orthopaedic Excellence, Teaching Hospital of the Paracelsus Medical University Salzburg, Seilerstätte 4, 4020, Linz, Austria
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Validation of an immunoturbidimetric assay for assessment of C reactive protein in synovial fluid. J Immunol Methods 2018. [DOI: 10.1016/j.jim.2018.03.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Erdemli B, Özbek EA, Başarir K, Karahan ZC, Öcal D, Biriken D. Proinflammatory biomarkers' level and functional genetic polymorphisms in periprosthetic joint infection. ACTA ORTHOPAEDICA ET TRAUMATOLOGICA TURCICA 2018; 52:143-147. [PMID: 29305046 PMCID: PMC6136306 DOI: 10.1016/j.aott.2017.11.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 04/28/2017] [Revised: 10/11/2017] [Accepted: 11/06/2017] [Indexed: 11/01/2022]
Abstract
OBJECTIVE The aims of this study were 1) to identify the level of inflammatory biomarkers interleukin (IL)-1α, IL-1β, IL-6, IL-8, IL-17, C-reactive protein (CRP), granulocyte colony-stimulating factor (GCSF), ferritin, and tumor necrosis factor (TNF)-α in serum and synovial fluid samples of patients who underwent revision arthroplasty surgery; 2) to establish the relationship between serum and synovial fluid levels; 3) to determine if any of the 11 genetic polymorphisms of TNFα, IL-1, IL-6, IL-8, IL-17, and GCSF on the encoding genes was associated with periprosthetic joint infection (PJI). METHODS Synovial fluid and serum was collected from 88 patients who underwent revision arthroplasty surgery. The Musculoskeletal Infection Society definition was used to classify these patients into 2 groups: 36 PJIs and 52 aseptic failures. Synovial fluid and serum samples were tested for 9 biomarkers using a micro enzyme-linked immunosorbent assay. Genetic polymorphisms were evaluated with polymerase chain reaction and restriction endonuclease analysis. RESULTS Synovial fluid-derived IL-1α, IL-1β, IL-8, IL-17, CRP, GCSF, TNFα, and serum-derived IL-6, IL-17, ferritin, CRP were found suitable to classify PJI and aseptic failure. In addition, IL-17 and CRP levels demonstrated a positive correlation between synovial fluid and serum. TNFα-238, IL6-174, GCSF3R, and IL1 RN-VNTR genetic polymorphisms occurred more frequently in individuals with septic failure. CONCLUSION Significant differences between the two groups were observed in the functional polymorphisms of the genes encoding the cytokines investigated. These differences could be interpreted as indicating that there is an association between PJI and genetic polymorphisms. LEVEL OF EVIDENCE Level III, diagnostic study.
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Affiliation(s)
- Bülent Erdemli
- Ankara University Medicine Faculty, İbn'i Sina Hospital, Orthopedics and Traumatology Department, Ankara, Turkey.
| | - Emre Anıl Özbek
- Ankara University Medicine Faculty, İbn'i Sina Hospital, Orthopedics and Traumatology Department, Ankara, Turkey.
| | - Kerem Başarir
- Ankara University Medicine Faculty, İbn'i Sina Hospital, Orthopedics and Traumatology Department, Ankara, Turkey.
| | - Zeynep Ceren Karahan
- Medical Microbiology Department, Ankara University Medicine Faculty, Ankara, Turkey.
| | - Duygu Öcal
- Ataturk Training and Research Hospital, Department of Medical Microbiology, Ankara, Turkey.
| | - Derya Biriken
- Medical Microbiology Department, Ankara University Medicine Faculty, Ankara, Turkey.
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Gomez-Urena EO, Tande AJ, Osmon DR, Berbari EF. Diagnosis of Prosthetic Joint Infection: Cultures, Biomarker and Criteria. Infect Dis Clin North Am 2018; 31:219-235. [PMID: 28483043 DOI: 10.1016/j.idc.2017.01.008] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Prosthetic joint infections (PJIs) are devastating complications after joint arthroplasty that continue to pose a diagnostic challenge. Currently, a single, stand-alone test with the adequate accuracy and reliability for diagnosis of PJI is not available; therefore, physicians who care for patients with PJI must rely on a combination of diagnostic tests for the diagnosis of PJI. This article reviews conventional laboratory test modalities, diagnostic accuracy and limitations of current tests, and novel emerging tests for the diagnosis of PJI.
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Affiliation(s)
- Eric O Gomez-Urena
- Division of Infectious Diseases, Mayo Clinic School of Medicine, 200 First Street Southwest, Rochester, MN 55905, USA.
| | - Aaron J Tande
- Division of Infectious Diseases, Mayo Clinic School of Medicine, 200 First Street Southwest, Rochester, MN 55905, USA
| | - Douglas R Osmon
- Division of Infectious Diseases, Mayo Clinic School of Medicine, 200 First Street Southwest, Rochester, MN 55905, USA
| | - Elie F Berbari
- Division of Infectious Diseases, Mayo Clinic School of Medicine, 200 First Street Southwest, Rochester, MN 55905, USA
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Lee YS, Koo KH, Kim HJ, Tian S, Kim TY, Maltenfort MG, Chen AF. Synovial Fluid Biomarkers for the Diagnosis of Periprosthetic Joint Infection: A Systematic Review and Meta-Analysis. J Bone Joint Surg Am 2017; 99:2077-2084. [PMID: 29257013 DOI: 10.2106/jbjs.17.00123] [Citation(s) in RCA: 148] [Impact Index Per Article: 21.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND The search for a single standard reference test for determining periprosthetic joint infection (PJI) through analysis of synovial fluid has yielded numerous biomarkers as potential candidates. The purpose of the present systematic review and meta-analysis was to evaluate the diagnostic accuracy of synovial fluid biomarkers and to determine which test has the highest diagnostic odds ratio (DOR) for the diagnosis of PJI. METHODS An online literature search of the MEDLINE, Embase, and Cochrane databases identified 33 articles reporting a total of 13 major parameters for diagnosing PJI through analysis of synovial fluid. Each of the included articles was independently analyzed for risk of bias and for concerns regarding applicability utilizing the QUADAS-2 (Quality Assessment of Diagnostic Accuracy Studies-2) tool. The mada (meta-analysis of diagnostic accuracy) tool was used to generate forest plots for sensitivity, specificity, and the log of the DOR, as well as summary statistics. RESULTS In this analysis, 13 index tests (leukocyte count; measurement of the percentage of polymorphonucleocytes [PMN%] and the levels of C-reactive protein [CRP], α-defensin, leukocyte esterase [LE], interleukin [IL]-6, IL-8, IL-10, IL-1β, vascular endothelial growth factor [VEGF], and granulocyte-colony stimulating factor [G-CSF]; culture; and polymerase chain reaction [PCR] analysis) were evaluated on the basis of ≥2 articles. Of these tests, 8 (leukocyte count, PMN%, CRP, α-defensin, LE, IL-6, IL-8, and culture) were appropriate for pooled analysis. The overall sensitivity of these 8 markers was 0.85, and all but culture showed a sensitivity of ≥0.8. All markers showed a specificity of ≥0.9. Of the 8 tests, measurement of the α-defensin level showed the highest log DOR. CONCLUSIONS Synovial fluid leukocyte count, PMN%, CRP, α-defensin, LE, IL-6, and IL-8 all demonstrated high sensitivity for diagnosing PJI, with α-defensin being the best synovial marker based on the highest log DOR. However, other synovial fluid tests that demonstrate good diagnostic performance can also be used in combination for the diagnosis of PJI. LEVEL OF EVIDENCE Diagnostic Level IV. See Instructions for Authors for a complete description of levels of evidence.
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Affiliation(s)
- Yong Seuk Lee
- Department of Orthopedic Surgery, Rothman Institute at Thomas Jefferson University, Philadelphia, Pennsylvania.,Department of Orthopedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seoul, South Korea
| | - Kyung-Hoi Koo
- Department of Orthopedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seoul, South Korea
| | - Hyun Jung Kim
- Institute for Evidence-Based Medicine and Department of Preventive Medicine, Korea University College of Medicine, Seoul, South Korea
| | - Shaoqi Tian
- Department of Orthopedic Surgery, Rothman Institute at Thomas Jefferson University, Philadelphia, Pennsylvania.,Department of Joint Surgery, the Affiliated Hospital of Medical College, Qingdao University, Qingdao, People's Republic of China
| | - Tae-Young Kim
- Department of Orthopedic Surgery, Rothman Institute at Thomas Jefferson University, Philadelphia, Pennsylvania.,Department of Orthopedic Surgery, Hallym University Sacred Heart Hospital, Anyang-si, South Korea
| | - Mitchell G Maltenfort
- Department of Orthopedic Surgery, Rothman Institute at Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Antonia F Chen
- Department of Orthopedic Surgery, Rothman Institute at Thomas Jefferson University, Philadelphia, Pennsylvania
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The Diagnostic Utility of Synovial Fluid Markers in Periprosthetic Joint Infection: A Systematic Review and Meta-analysis. J Am Acad Orthop Surg 2017; 25:763-772. [PMID: 29059113 DOI: 10.5435/jaaos-d-16-00548] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
INTRODUCTION This study is a systematic review of all reported synovial fluid markers for the diagnosis of periprosthetic joint infection and a meta-analysis of the most frequently reported markers to identify those of greatest diagnostic utility. METHODS A search of six databases was conducted to identify all studies evaluating the utility of synovial fluid markers in the diagnosis of periprosthetic joint infection. Two observers assessed methodologic quality and extracted data independently. A meta-analysis of the most frequently reported markers was performed. RESULTS Twenty-three studies were included in the meta-analysis. The most common markers (and their respective area under the curve) were interleukin-17 (0.974), leukocyte esterase (0.968), α-defensin (0.958), interleukin-6 (0.956), interleukin-1β (0.948), and C-reactive protein (0.927). Among these markers, α-defensin had the highest diagnostic odds ratio but did not achieve statistically significant superiority. CONCLUSION The most frequently studied synovial fluid markers for the diagnosis of periprosthetic joint infection are C-reactive protein, leukocyte esterase, interleukin-6, interleukin-1β, α-defensin, and interleukin-17, all of which have high diagnostic utility. LEVEL OF EVIDENCE Level II.
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Alvand A, Rezapoor M, Parvizi J. The Role of Biomarkers for the Diagnosis of Implant-Related Infections in Orthopaedics and Trauma. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2017; 971:69-79. [PMID: 28243953 DOI: 10.1007/5584_2017_11] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Diagnosis of implant-related (periprosthetic joint) infections poses a major challenge to infection disease physicians and orthopaedic surgeons. Conventional diagnostic tests continue to suffer from issues of accuracy and feasibility. Biomarkers are used throughout medicine for diagnostic and prognostic purposes, as they are able to objectively determine the presence of a disease or a biological state. There is increasing evidence to support the measurement of specific biomarkers in serum and/or synovial fluid of patients with suspected periprosthetic joint infections. Promising serum biomarkers include interleukin (IL)-4, IL-6, tumour necrosis factor (TNF)-α, procalcitonin, soluble intercellular adhesion molecule 1 (sICAM-1), and D-dimer. In addition to c-reactive protein and leucocyte esterase, promising biomarkers that can be measured in synovial fluid include antimicrobial proteins such as human β-defensin (HBD)-2 and human β-defensin (HBD)-3, and cathelicidin LL-37, as well as several interleukins such as IL-1β, IL-6, IL-8, IL-17, TNF- α, interferon-δ, and vascular endothelial growth factor.
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Affiliation(s)
- Abtin Alvand
- The Rothman Institute, 925 Chestnut Street, Philadelphia, PA, 19107, USA.
| | - Maryam Rezapoor
- The Rothman Institute, 925 Chestnut Street, Philadelphia, PA, 19107, USA
| | - Javad Parvizi
- The Rothman Institute, 925 Chestnut Street, Philadelphia, PA, 19107, USA
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Abstract
Imaging is often used to establish a diagnosis of musculoskeletal infections and evaluate the full extent and severity of disease. Imaging should always start with radiographs, which provide an important anatomic overview. MRI is the test of choice in most musculoskeletal infections because of its superior soft tissue contrast resolution and high sensitivity for pathologic edema. However, MRI is not always possible. Alternative imaging modalities including ultrasound scan, computed tomography, and radionuclide imaging may be used. This article reviews the individual imaging modalities and discusses how specific musculoskeletal infections should be approached from an imaging perspective.
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Affiliation(s)
- Claus S Simpfendorfer
- Section of Musculoskeletal Radiology, Imaging Institute, Cleveland Clinic, CCLCM/CWRU, 9500 Euclid Avenue, Cleveland, OH 44195, USA.
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Abstract
The role of serum erythrocyte sedimentation rate (ESR) and C-reactive protein (CRP) as the first line for evaluating a patient with periprosthetic joint infection (PJI) has been debunked.We are living in the era of biomarkers for the diagnosis of PJI, and to that effect, several biomarkers have been introduced such as synovial fluid alpha defensin and leukocyte esterase.The synovial fluid leukocyte esterase test has a low cost, is accessible, and has provided promising results for diagnosing PJI.There is an urgent need for an accurate and reliable serum biomarker for diagnosing patients with PJI. Cite this article: Shahi A, Parvizi J. The role of biomarkers in the diagnosis of periprosthetic joint infection. EFORT Open Rev 2016;1:275-278. DOI: 10.1302/2058-5241.1.160019.
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Affiliation(s)
- AliSina Shahi
- The Rothman Institute at Thomas Jefferson University, Philadelphia, USA
| | - Javad Parvizi
- The Rothman Institute at Thomas Jefferson University, Philadelphia, USA
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Mühlhofer HML, Pohlig F, Kanz KG, Lenze U, Lenze F, Toepfer A, Kelch S, Harrasser N, von Eisenhart-Rothe R, Schauwecker J. Prosthetic joint infection development of an evidence-based diagnostic algorithm. Eur J Med Res 2017; 22:8. [PMID: 28274250 PMCID: PMC5343418 DOI: 10.1186/s40001-017-0245-1] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2016] [Accepted: 02/24/2017] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Increasing rates of prosthetic joint infection (PJI) have presented challenges for general practitioners, orthopedic surgeons and the health care system in the recent years. The diagnosis of PJI is complex; multiple diagnostic tools are used in the attempt to correctly diagnose PJI. Evidence-based algorithms can help to identify PJI using standardized diagnostic steps. METHODS We reviewed relevant publications between 1990 and 2015 using a systematic literature search in MEDLINE and PUBMED. The selected search results were then classified into levels of evidence. The keywords were prosthetic joint infection, biofilm, diagnosis, sonication, antibiotic treatment, implant-associated infection, Staph. aureus, rifampicin, implant retention, pcr, maldi-tof, serology, synovial fluid, c-reactive protein level, total hip arthroplasty (THA), total knee arthroplasty (TKA) and combinations of these terms. RESULTS From an initial 768 publications, 156 publications were stringently reviewed. Publications with class I-III recommendations (EAST) were considered. We developed an algorithm for the diagnostic approach to display the complex diagnosis of PJI in a clear and logically structured process according to ISO 5807. CONCLUSIONS The evidence-based standardized algorithm combines modern clinical requirements and evidence-based treatment principles. The algorithm provides a detailed transparent standard operating procedure (SOP) for diagnosing PJI. Thus, consistently high, examiner-independent process quality is assured to meet the demands of modern quality management in PJI diagnosis.
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Affiliation(s)
- Heinrich M. L. Mühlhofer
- Department of Orthopaedic Surgery, Klinikum rechts der Isar, Technische Universität München, Ismaninger Str. 22, 81675 Munich, Germany
| | - Florian Pohlig
- Department of Orthopaedic Surgery, Klinikum rechts der Isar, Technische Universität München, Ismaninger Str. 22, 81675 Munich, Germany
| | - Karl-Georg Kanz
- Department of Trauma Surgery, Klinikum rechts der Isar, Technische Universität München, Ismaninger Str. 22, 81675 Munich, Germany
| | - Ulrich Lenze
- Department of Orthopaedic Surgery, Klinikum rechts der Isar, Technische Universität München, Ismaninger Str. 22, 81675 Munich, Germany
| | - Florian Lenze
- Department of Orthopaedic Surgery, Klinikum rechts der Isar, Technische Universität München, Ismaninger Str. 22, 81675 Munich, Germany
| | - Andreas Toepfer
- Department of Orthopaedic Surgery, Klinikum rechts der Isar, Technische Universität München, Ismaninger Str. 22, 81675 Munich, Germany
| | - Sarah Kelch
- Department of Orthopaedic Surgery, Klinikum rechts der Isar, Technische Universität München, Ismaninger Str. 22, 81675 Munich, Germany
| | - Norbert Harrasser
- Department of Orthopaedic Surgery, Klinikum rechts der Isar, Technische Universität München, Ismaninger Str. 22, 81675 Munich, Germany
| | - Rüdiger von Eisenhart-Rothe
- Department of Orthopaedic Surgery, Klinikum rechts der Isar, Technische Universität München, Ismaninger Str. 22, 81675 Munich, Germany
| | - Johannes Schauwecker
- Department of Orthopaedic Surgery, Klinikum rechts der Isar, Technische Universität München, Ismaninger Str. 22, 81675 Munich, Germany
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Sousa R, Serrano P, Gomes Dias J, Oliveira JC, Oliveira A. Improving the accuracy of synovial fluid analysis in the diagnosis of prosthetic joint infection with simple and inexpensive biomarkers. Bone Joint J 2017; 99-B:351-357. [DOI: 10.1302/0301-620x.99b3.bjj-2016-0684.r1] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2016] [Accepted: 11/25/2016] [Indexed: 12/16/2022]
Abstract
Aims The aims of this study were to increase the diagnostic accuracy of the analysis of synovial fluid in the differentiation of prosthetic joint infection (PJI) by the addition of inexpensive biomarkers such as the levels of C-reactive protein (CRP), adenosine deaminase (ADA), alpha-2-macrogloblulin (α2M) and procalcitonin. Patients and Methods Between January 2013 and December 2015, synovial fluid and removed implants were requested from 143 revision total joint arthroplasties. A total of 55 patients met inclusion criteria of the receipt of sufficient synovial fluid, tissue samples and removed implants for analysis. The diagnosis of PJI followed the definition from a recent International Consensus Meeting to create two groups of patients; septic and aseptic. Using receiver operating characteristic curves we determined the cutoff values and diagnostic accuracy for each marker. Results There were 23 PJIs and 32 patients with aseptic loosening. The levels of total leucocyte count, proportion of polymorphonuclear leucocytes (PMNs), CRP, ADA and α2M in the synovial fluid were all significantly higher in those with a PJI than in those with aseptic loosening. The levels of procalcitonin were comparable in the two groups. Cutoff values for the optimal performance in the diagnosis of infection were: total leucocyte count > 1463 cells/μL (sensitivity (Sens) 100%, specificity (Spec) 71.9%, positive predictive value (PPV) 71.9%, negative predictive value (NPV) 100%); proportion of PMNs > 81% (Sens 78.3%, Spec 75.0%, PPV 69.2%, NPV 82.8%); CRP > 6.7mg/L (Sens 78.3%, Spec 93.8%, PPV 90.0%, NPV 85.7%); ADA > 61U/L (Sens 78.3%, Spec 96.9%, PPV 94.7%, NPV 86.1%) and α2M > 958 mg/L (Sens 47.8%, Spec 96.9%, PPV 91.7%, NPV 72.1%). The addition of a raised level of CRP or ADA to the total leukocyte count increased the specificity: total leukocyte count > 1463 cells/μL and CRP > 6.7mg/L (Sens 78.3%, Spec 100%, PPV 100%, NPV 86.5%) or with ADA > 61U/L (Sens 78.3%, Spec 96.9%, PPV 94.7%, NPV 86.1%). Conclusion The total leucocyte count in the synovial fluid offers great negative predictive value in the diagnosis of PJI and the addition of more specific markers such as CRP and ADA improves the positive predictive value. Thus the addition of simple and inexpensive markers to the measurement of the leucocyte count in the synovial fluid may reduce the number of equivocal results which demand more expensive investigation. Cite this article: Bone Joint J 2017;99-B:351–7.
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Affiliation(s)
- R. Sousa
- Centro Hospitalar do Porto, Hospital de
Santo António, Largo Professor Abel Salazar; 4099-001
Porto, Portugal
| | - P. Serrano
- Centro Hospitalar do Porto, Hospital de
Santo António, Largo Professor Abel Salazar; 4099-001
Porto, Portugal
| | - J. Gomes Dias
- Administração Regional de Saúde do
Norte, Rua Anselmo Braancamp, 144;
4000-078 Porto, Portugal
| | - J. C. Oliveira
- Centro Hospitalar do Porto, Hospital de
Santo António, Largo Professor Abel Salazar; 4099-001
Porto, Portugal
| | - A. Oliveira
- Centro Hospitalar do Porto, Hospital de
Santo António, Largo Professor Abel Salazar; 4099-001
Porto, Portugal
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Wang C, Wang Q, Li R, Duan JY, Wang CB. Synovial Fluid C-reactive Protein as a Diagnostic Marker for Periprosthetic Joint Infection: A Systematic Review and Meta-analysis. Chin Med J (Engl) 2017; 129:1987-93. [PMID: 27503025 PMCID: PMC4989431 DOI: 10.4103/0366-6999.187857] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Background: Periprosthetic joint infection (PJI) is the main cause of failure following total joint arthroplasty. Until now, the diagnosis of PJI is still confronted with technical limitations, and the question of whether synovial fluid biomarker, C-reactive protein (CRP), can provide high value in the diagnosis of PJI remains unanswered and, therefore, was the aim of the study. Methods: First, we conducted a systematic review on CRP in the diagnosis of PJI by searching online databases using keywords such as “periprosthetic joint infection”, “synovial fluid”, and “C-reactive protein”. Eligible studies providing sufficient data to construct 2 × 2 contingency tables were then selected based on the list of criteria and the quality of included studies was assessed subsequently. Finally, the reported sensitivity, specificity, diagnostic odds ratio (DOR), summary receiver operating characteristic (SROC) curve, and the area under the SROC (AUSROC) were pooled together and used to evaluate overall diagnostic performance. Results: Seven studies were included in our review, six of which comprising a total of 456 participants were further investigated in our meta-analysis. The pooled sensitivity, specificity, and DOR were 0.92 (95% confidence interval [CI]: 0.86–0.96), 0.90 (95% CI: 0.87–0.93), and 101.40 (95% CI: 48.07–213.93), respectively. The AUSROC was 0.9663 (standard error, 0.0113). Conclusions: Synovial fluid CRP is a good biomarker for the diagnosis of PJI with high sensitivity and specificity.
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Affiliation(s)
- Chi Wang
- Department of Clinical Laboratory, Chinese People's Liberation Army General Hospital, Beijing 100853, China
| | - Qi Wang
- Outpatient Department of Chinese People's Liberation Army, Beijing, 101123, China
| | - Rui Li
- Department of Orthopedics, Chinese People's Liberation Army General Hospital, Beijing 100853, China
| | - Jin-Yan Duan
- Department of Clinical Laboratory, Chinese People's Liberation Army General Hospital, Beijing 100853, China
| | - Cheng-Bin Wang
- Department of Clinical Laboratory, Chinese People's Liberation Army General Hospital, Beijing 100853, China
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Omar M, Klawonn F, Brand S, Stiesch M, Krettek C, Eberhard J. Transcriptome-Wide High-Density Microarray Analysis Reveals Differential Gene Transcription in Periprosthetic Tissue From Hips With Chronic Periprosthetic Joint Infection vs Aseptic Loosening. J Arthroplasty 2017; 32:234-240. [PMID: 27474510 DOI: 10.1016/j.arth.2016.06.036] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2016] [Revised: 06/16/2016] [Accepted: 06/20/2016] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND Differentiating between periprosthetic hip infection and aseptic hip prosthesis loosening can be challenging, especially in patients with chronic infections. This study used whole-genome microarray analysis to investigate the transcriptomes of periprosthetic hip tissues to identify genes that are differentially transcripted between chronic periprosthetic hip infection and aseptic hip prosthesis loosening. METHODS In this pilot study, a total of 24 patients with either chronic periprosthetic hip infection (n = 12) or aseptic hip prosthesis loosening (n = 12) were analyzed. Periprosthetic hip infection was diagnosed based on modified criteria of the Musculoskeletal Infection Society. To evaluate differences in gene transcription, whole-genome microarray analysis was performed on the mRNA of periprosthetic tissue. RESULTS Microarray analysis revealed differential gene transcription in periprosthetic hip tissue affected by chronic hip infection vs aseptic hip prosthesis loosening. A total of 39 genes had area under the curve values greater than 0.9 for diagnosing chronic periprosthetic hip infection; 5 genes had annotations relevant to infection and metabolism. The 39 genes also included 7 genes that were differentially transcribed but that have no apparent connection to immune response processes plus 27 genes with unknown function. CONCLUSION Differences in gene transcription profiles might represent novel diagnostic targets that can be used to differentiate between chronic periprosthetic hip infections and aseptic hip prosthesis loosening. Secondary metabolites of differentially transcripted genes might serve as easily accessible markers for detecting chronic periprosthetic joint infection in future.
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Affiliation(s)
- Mohamed Omar
- Trauma Department, Hannover Medical School, Hannover, Germany
| | - Frank Klawonn
- Department of Biostatistics, Helmholtz Centre for Infection Research, Braunschweig, Germany; Department of Computer Science, Ostfalia University of Applied Sciences, Wolfenbüttel, Germany
| | - Stephan Brand
- Trauma Department, Hannover Medical School, Hannover, Germany
| | - Meike Stiesch
- Department of Prosthetic Dentistry and Biomedical Materials Science, Hannover Medical School, Hannover, Germany
| | | | - Jörg Eberhard
- Department of Prosthetic Dentistry and Biomedical Materials Science, Hannover Medical School, Hannover, Germany
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Kim TW, Kim DH, Oh WS, Sim JA, Lee YS, Lee BK. Analysis of the Causes of Elevated C-Reactive Protein Level in the Early Postoperative Period After Primary Total Knee Arthroplasty. J Arthroplasty 2016; 31:1990-6. [PMID: 27017206 DOI: 10.1016/j.arth.2016.02.037] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/09/2015] [Revised: 02/12/2016] [Accepted: 02/16/2016] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND Measurement of C-reactive protein (CRP) levels as a screening test for acute periprosthetic joint infection has high sensitivity and low specificity. We performed the present study to analyze the causes of elevated CRP levels in the early postoperative period after primary total knee arthroplasty (TKA). This study is intended to help the postoperative care of patients through understanding the factors associated with postoperative elevation of CRP. METHODS The records for 627 patients who underwent primary TKA between January 2005 and May 2013 were examined. We excluded 50 patients for whom TKA with inflammatory arthritis or revision TKA was performed. We measured serial CRP levels during the 4-week early postoperative period in all included cases to find the cases that showed a CRP pattern of elevation-depression-elevation (a bimodal pattern). We analyzed the causes of re-elevated CRP levels in patients with a bimodal pattern of CRP change. RESULTS Of the 577 included patients, 76 showed bimodal CRP elevation patterns. Eighteen elevations were caused by postoperative infections (periprosthetic infection), 10 by cardiovascular problems, 11 by gastrointestinal problems, 12 by urologic problems, 10 by respiratory problems, and 15 had unknown origins. CONCLUSION Our study shows that elevated CRP levels after TKA can have various causes. Although there may be other causes for an elevated CRP, it is essential to perform a work-up for prosthetic joint infections. In addition, there seems to be a need to evaluate noninfectious causes and infection of other sites, in addition to periprosthetic infection.
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Affiliation(s)
- Tae Won Kim
- Department of Orthopedic Surgery, Gil Medical Center, Gacheon University of Medicine and Science, Incheon, Korea
| | - Dong Hwan Kim
- Department of Orthopedic Surgery, Gil Medical Center, Gacheon University of Medicine and Science, Incheon, Korea
| | - Won Seuk Oh
- Department of Orthopedic Surgery, Gil Medical Center, Gacheon University of Medicine and Science, Incheon, Korea
| | - Jae Ang Sim
- Department of Orthopedic Surgery, Gil Medical Center, Gacheon University of Medicine and Science, Incheon, Korea
| | - Yong Seuk Lee
- Department of Orthopedic Surgery, Bundang Hospital, Seoul National University College of Medicine, Bundang, Korea
| | - Beom Koo Lee
- Department of Orthopedic Surgery, Gil Medical Center, Gacheon University of Medicine and Science, Incheon, Korea
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Deirmengian CA, Citrano PA, Gulati S, Kazarian ER, Stave JW, Kardos KW. The C-Reactive Protein May Not Detect Infections Caused by Less-Virulent Organisms. J Arthroplasty 2016; 31:152-5. [PMID: 27094240 DOI: 10.1016/j.arth.2016.01.060] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2015] [Accepted: 01/25/2016] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND The aim of the present study was to evaluate the influence of organism type on the performance of the synovial fluid C-reactive protein (CRP) test. METHODS We retrospectively reviewed the results of 21,422 synovial fluid samples sent to one common laboratory for the purpose of diagnostic testing for periprosthetic joint infection. Both a synovial fluid CRP result and a positive culture were present for 1789 submitted samples. The cultured organisms were grouped by species, virulence, and gram type; and the median CRP level was determined for each group. RESULTS The median synovial fluid CRP level was significantly lower for less-virulent organisms, when compared to those organisms classified as virulent (15.10 mg/L vs 32.70 mg/L; P < .0001). Some less-virulent species such as yeast and Staphylococcus epidermidis were associated with a 4-10 times lower CRP response than those of virulent organisms such as Streptococcus agalactiae and Staphylococcus aureus (P < .0001). Bacterial gram type had no influence on the median CRP result. The rate of false-negative CRP values was 50.9% for yeast, 29.4% for S. epidermidis, 28.5% for all less-virulent organisms, and 11.6% for all virulent organisms. CONCLUSION The CRP response appears to be highly dependent on the infecting organism and is more likely to provide false-negative results in the setting of less-virulent organisms. Although the use of a CRP level is an important part of the workup for periprosthetic joint infection, surgeons must be aware that this protein may yield a false-negative result in the setting of less-virulent organisms.
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Affiliation(s)
- Carl A Deirmengian
- The Rothman Institute, Thomas Jefferson University, The Lankenau Institute for Medical Research, Wynnewood, Pennsylvania; CD Diagnostics, Claymont, Delaware
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