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Salimy MS, Humphrey TJ, Egan CR, Alpaugh K, Bedair HS, Melnic CM. Diagnostic Test Performances for Identifying Periprosthetic Joint Infection in Hip Hemiarthroplasty. J Am Acad Orthop Surg 2024; 32:447-455. [PMID: 38194645 DOI: 10.5435/jaaos-d-23-00305] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 06/23/2023] [Indexed: 01/11/2024] Open
Abstract
INTRODUCTION Periprosthetic joint infection (PJI) is a devastating complication of hip hemiarthroplasty (HHA) that is not well-represented in the literature. Therefore, this study aimed to evaluate diagnostic markers for identifying PJI in patients after HHA and compare them with the most recent 2018 International Consensus Meeting on Musculoskeletal Infection criteria. METHODS A total of 98 patients (64 PJIs, 65.3%) were analyzed. Patients were identified by relevant Current Procedural Terminology and International Classification of Diseases-9/10 codes from 2000 to 2021 across a single healthcare system. Preoperative or intraoperative synovial fluid nucleated cell (NC) count, synovial polymorphonuclear (PMN) percentage, serum erythrocyte sedimentation rate (ESR), serum C-reactive protein (CRP), and serum white blood cell count were compared with Student t -test between aseptic and septic cohorts. Diagnostic utility and laboratory cutoff values were determined using receiver-operating characteristic curves and Youden index, respectively. RESULTS Mean values were significantly higher in the septic cohort for synovial NC count (120,992.2 versus 1,498.0 cells/μL, P < 0.001), synovial PMN percentage (91.3% versus 56.2%, P < 0.001), serum ESR (75.6 versus 36.3 mm/hr, P < 0.001), serum CRP (20.2 versus 125.8 mg/L, P < 0.001), and serum white blood cell count (8.5 versus 11.5 cells/μL, P < 0.001). Synovial NC count, synovial PMN percentage, and serum CRP had excellent PJI discriminatory ability with an area under the curve of 0.99, 0.90, and 0.93, respectively. Optimal cutoffs were 2,700 cells/μL for synovial NC count (100% sensitivity and 94% specificity), 81.0% for synovial PMN percentage (96% sensitivity and 89% specificity), 52.0 mm/hr for serum ESR (75% sensitivity and 80% specificity), and 40.0 mg/L for serum CRP (85% sensitivity and 92% specificity). CONCLUSION Our findings support the continued use of routine serum and synovial fluid tests for diagnosing PJI in HHA patients. Optimal cutoff values for both synovial fluid biomarkers were very close in alignment with the 2018 International Consensus Meeting criteria. LEVEL OF EVIDENCE Level III, retrospective comparative study.
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Affiliation(s)
- Mehdi S Salimy
- From the Department of Orthopaedic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA (Salimy, Egan, Alpaugh. Bedair, and Melnic), and the Department of Orthopaedic Surgery, Newton-Wellesley Hospital, Newton, MA (Humphrey, Alpaugh, Bedair, and Melnic)
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Deng L, Wang J, Yang GY, Hou YZ, Li KW, Sun B, Wang SH. Different biomarker ratios in peripheral blood have limited value in diagnosing periprosthetic joint infection after total joint arthroplasty: a single-center, retrospective study. BMC Musculoskelet Disord 2024; 25:377. [PMID: 38741113 DOI: 10.1186/s12891-024-07499-7] [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: 12/27/2023] [Accepted: 05/06/2024] [Indexed: 05/16/2024] Open
Abstract
BACKGROUND Periprosthetic joint infection (PJI) is a severe complication that can occur after total joint arthroplasty (TJA). The timely and accurate diagnosis of PJI is the key to treatment. This study investigated the diagnostic value of platelet to lymphocyte ratio (PLR), platelet count to mean platelet volume ratio (PVR), neutrophil to lymphocyte ratio (NLR) and monocyte to lymphocyte ratio (MLR) in PJI after total knee arthroplasty (TKA) and total hip arthroplasty (THA). METHODS We performed a retrospective analysis of the patients who underwent revision hip or knee arthroplasty at our Institute between June 2015 and June 2020. Of the 187 patients reviewed, 168 were included in the study. According to the diagnostic criteria of the Musculoskeletal Infection Society (MSIS), 58 patients were in the PJI group, and 110 patients were in the aseptic loosening (AL) group. We recorded and compared the preoperative peripheral blood white blood cell (WBC) count, platelet count (PLT), erythrocyte sedimentation rate (ESR), C-reactive protein (CRP), PLR, PVR, NLR, and MLR in both groups. The diagnostic performance of the WBC, PLT, PLR, PVR, NLR, and MLR individually and in combination with the ESR and CRP for PJI diagnosis was evaluated by receiver operating characteristic (ROC) curves, and the sensitivity, specificity, positive predictive value, and negative predictive value were calculated. RESULTS Compared to those in the AL group, the mean WBC, PLT, ESR, CRP, PLR, PVR, NLR, and MLR in the peripheral blood of the PJI group were significantly greater (P < 0.05). The analysis of the ROC curve revealed that the ESR, CRP, PLR, PVR, NLR, and MLR in peripheral blood had moderate effectiveness in diagnosing PJI, with area under the curve (AUC) values of 0.760 (95% CI: 0.688-0.823), 0.758 (95% CI: 0.687-0.821), 0.714 (95% CI: 0.639-0.781), 0.709 (95% CI: 0.634-0.777), 0.723 (95% CI: 0.649-0.789), and 0.728 (95% CI: 0.654-0.793), respectively. Conversely, the WBC and PLT counts demonstrated poor diagnostic value for PJI, with AUC values of 0.578 (95% CI: 0.499-0.653) and 0.694 (95% CI: 0.619-0.763), respectively. The results of the prediction model calculations revealed that the combined AUC of the WBC, PLT, ESR, CRP, PLR, PVR, NLR, and MLR was the highest at 0.853 (95% CI, 0.790-0.909), indicating good value in the diagnosis of PJI, with a sensitivity of 82.8% and a specificity of 72.7%. Moreover, the novel composite of parameters improved the accuracy and reliability in diagnosing PJI compared to the traditional biomarkers ESR and CRP (P = 0.015). CONCLUSION Our study suggested that the diagnostic value of the peripheral blood biomarkers PLR, PVR, NLR, and MLR for diagnosing PJI is limited and not superior to that of the ESR or CRP. However, when the WBC, PLT, ESR, CRP, PLR, PVR, NLR, and MLR are combined, the diagnostic performance of PJI in TJA patients can be improved.
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Affiliation(s)
- Lei Deng
- The First School of Clinical Medicine, Henan University of Chinese Medicine, Zhengzhou, 450052, People's Republic of China
- Department of Joint Surgery, Zhengzhou Orthopaedic Hospital, Zhengzhou, 450052, People's Republic of China
| | - Jie Wang
- Department of Orthopaedic, Beijing ChaoYang Hospital, Capital Medical University, Beijing, 100020, People's Republic of China
| | - Guang-Ya Yang
- The First School of Clinical Medicine, Henan University of Chinese Medicine, Zhengzhou, 450052, People's Republic of China
- Department of Joint Surgery, Zhengzhou Orthopaedic Hospital, Zhengzhou, 450052, People's Republic of China
| | - Ying-Zhou Hou
- Department of Joint Surgery, Zhengzhou Orthopaedic Hospital, Zhengzhou, 450052, People's Republic of China
| | - Ke-Wei Li
- Department of Joint Surgery, Zhengzhou Orthopaedic Hospital, Zhengzhou, 450052, People's Republic of China
| | - Bo Sun
- Department of Joint Surgery, Zhengzhou Orthopaedic Hospital, Zhengzhou, 450052, People's Republic of China
| | - Shao-Hua Wang
- Department of Joint Surgery, Zhengzhou Orthopaedic Hospital, Zhengzhou, 450052, People's Republic of China.
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Sax FH, Hoyka M, Blersch BP, Fink B. Diagnostics in Late Periprosthetic Infections-Challenges and Solutions. Antibiotics (Basel) 2024; 13:351. [PMID: 38667027 PMCID: PMC11047502 DOI: 10.3390/antibiotics13040351] [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: 01/31/2024] [Revised: 04/02/2024] [Accepted: 04/02/2024] [Indexed: 04/29/2024] Open
Abstract
The rising number of arthroplasties is combined with a rising number of periprosthetic joint infections, which leads to life-concerning consequences for the patients, including extended antibiotic treatment, further surgery and increased mortality. The heterogeneity of the symptoms and inflammatory response of the patients due to, e.g., age and comorbidities and the absence of a single diagnostic test with 100% accuracy make it very challenging to choose the right parameters to confirm or deny a periprosthetic joint infection and to establish a standardized definition. In recent years, additional diagnostic possibilities have emerged primarily through the increasing availability of new diagnostic methods, such as genetic techniques. The aim of the review is to provide an overview of the current state of knowledge about the various tests, including the latest developments. The combination of different tests increases the accuracy of the diagnosis. Each physician or clinical department must select the tests from the available methods that can be best implemented for them in organizational and technical terms. Serological parameters and the cultivation of the samples from aspiration or biopsy should be combined with additional synovial tests to create an accurate figure for the failure of the prosthesis, while imaging procedures are used to obtain additional information for the planned therapeutic procedure.
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Affiliation(s)
- Florian Hubert Sax
- Department of Joint Replacement, General and Rheumatic Orthopaedics, Orthopaedic Clinic Markgröningen gGmbH, Kurt-Lindemann-Weg 10, 71706 Markgröningen, Germany; (F.H.S.); (M.H.); (B.P.B.)
| | - Marius Hoyka
- Department of Joint Replacement, General and Rheumatic Orthopaedics, Orthopaedic Clinic Markgröningen gGmbH, Kurt-Lindemann-Weg 10, 71706 Markgröningen, Germany; (F.H.S.); (M.H.); (B.P.B.)
| | - Benedikt Paul Blersch
- Department of Joint Replacement, General and Rheumatic Orthopaedics, Orthopaedic Clinic Markgröningen gGmbH, Kurt-Lindemann-Weg 10, 71706 Markgröningen, Germany; (F.H.S.); (M.H.); (B.P.B.)
| | - Bernd Fink
- Department of Joint Replacement, General and Rheumatic Orthopaedics, Orthopaedic Clinic Markgröningen gGmbH, Kurt-Lindemann-Weg 10, 71706 Markgröningen, Germany; (F.H.S.); (M.H.); (B.P.B.)
- Orthopaedic Department, University Hospital Hamburg-Eppendorf, Martinistrasse 52, 20246 Hamburg, Germany
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Hemmann P, Kloppenburg L, Breinbauer R, Ehnert S, Blumenstock G, Reumann MK, Erne F, Jazewitsch J, Schwarz T, Baumgartner H, Histing T, Rollmann M, Nüssler AK. AZU1: a new promising marker for infection in orthopedic and trauma patients? EXCLI JOURNAL 2024; 23:53-61. [PMID: 38357095 PMCID: PMC10864703 DOI: 10.17179/excli2023-6705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Accepted: 12/06/2023] [Indexed: 02/16/2024]
Abstract
Early and reliable detection of infection is vital for successful treatment. Serum markers such as C-reactive protein (CRP) and procalcitonin (PCT) are known to increase with a time lag. Azurocidin 1 (AZU1) has emerged as a promising marker for septic patients, but its diagnostic value in orthopedic and trauma patients remains unexplored. Between July 2020 and August 2023, all patients necessitating inpatient treatment for periprosthetic joint infection (PJI), peri-implant infection (II), soft tissue infection, chronic osteomyelitis, septic arthrodesis, bone non-union with and without infection were enrolled. Patients undergoing elective total joint arthroplasty (TJA) served as the control group. Blood samples were collected and analyzed for CRP, white blood cell count (WBC), PCT, and AZU1. Based on the inclusion and exclusion criteria 222 patients were included in the study (trauma = 38, soft tissue infection = 75, TJA = 33, PJI/II = 39, others = 37). While sensitivity and specificity were comparably high for AZU1 (0.734/0.833), CRP and PCT had higher specificity (0.542/1 and 0.431/1, respectively), and WBC a slightly higher sensitivity (0.814/0.455) for septic conditions. Taken together, the area under the curve (AUC) showed the highest accuracy for AZU1 (0.790), followed by CRP (0.776), WBC (0.641), and PCT (0.656). The Youden-Index was 0.57 for AZU1, 0.54 for CRP, 0.27 for WBC, and 0.43 for PCT. Elevated AZU1 levels effectively distinguished patients with a healthy condition from those suffering from infection. However, there is evidence suggesting that trauma may influence the release of AZU1. Additional research is needed to validate the diagnostic value of this new biomarker and further explore its potential clinical applications.
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Affiliation(s)
- Philipp Hemmann
- Department of Traumatology and Reconstructive Surgery, BG Unfallklinik Tuebingen, Eberhard Karls University Tuebingen, Schnarrenbergstr. 95, 72076 Tuebingen, Germany
| | - Lisa Kloppenburg
- Siegfried Weller Institute for Trauma Research, BG Unfallklinik Tuebingen, Eberhard Karls University Tuebingen, 72076 Tuebingen, Germany
| | - Regina Breinbauer
- Siegfried Weller Institute for Trauma Research, BG Unfallklinik Tuebingen, Eberhard Karls University Tuebingen, 72076 Tuebingen, Germany
| | - Sabrina Ehnert
- Siegfried Weller Institute for Trauma Research, BG Unfallklinik Tuebingen, Eberhard Karls University Tuebingen, 72076 Tuebingen, Germany
| | - Gunnar Blumenstock
- Department of Clinical Epidemiology and Applied Biometry, University of Tuebingen, Tuebingen, Germany
| | - Marie K. Reumann
- Department of Traumatology and Reconstructive Surgery, BG Unfallklinik Tuebingen, Eberhard Karls University Tuebingen, Schnarrenbergstr. 95, 72076 Tuebingen, Germany
- Siegfried Weller Institute for Trauma Research, BG Unfallklinik Tuebingen, Eberhard Karls University Tuebingen, 72076 Tuebingen, Germany
| | - Felix Erne
- Department of Traumatology and Reconstructive Surgery, BG Unfallklinik Tuebingen, Eberhard Karls University Tuebingen, Schnarrenbergstr. 95, 72076 Tuebingen, Germany
- Siegfried Weller Institute for Trauma Research, BG Unfallklinik Tuebingen, Eberhard Karls University Tuebingen, 72076 Tuebingen, Germany
| | - Johann Jazewitsch
- Siegfried Weller Institute for Trauma Research, BG Unfallklinik Tuebingen, Eberhard Karls University Tuebingen, 72076 Tuebingen, Germany
| | - Tobias Schwarz
- Siegfried Weller Institute for Trauma Research, BG Unfallklinik Tuebingen, Eberhard Karls University Tuebingen, 72076 Tuebingen, Germany
| | - Heiko Baumgartner
- Department of Traumatology and Reconstructive Surgery, BG Unfallklinik Tuebingen, Eberhard Karls University Tuebingen, Schnarrenbergstr. 95, 72076 Tuebingen, Germany
| | - Tina Histing
- Department of Traumatology and Reconstructive Surgery, BG Unfallklinik Tuebingen, Eberhard Karls University Tuebingen, Schnarrenbergstr. 95, 72076 Tuebingen, Germany
| | - Mika Rollmann
- Department of Traumatology and Reconstructive Surgery, BG Unfallklinik Tuebingen, Eberhard Karls University Tuebingen, Schnarrenbergstr. 95, 72076 Tuebingen, Germany
| | - Andreas K. Nüssler
- Siegfried Weller Institute for Trauma Research, BG Unfallklinik Tuebingen, Eberhard Karls University Tuebingen, 72076 Tuebingen, Germany
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Li M, Fan M, Zhang Y, Xiao J, Liu T, Yu Q. Efficacy of DAIR in managing Candida parapsilosis-infected total knee arthroplasty with five-year follow-up: A case report and review of literature. Medicine (Baltimore) 2023; 102:e36246. [PMID: 38013258 PMCID: PMC10681585 DOI: 10.1097/md.0000000000036246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Accepted: 11/01/2023] [Indexed: 11/29/2023] Open
Abstract
RATIONALE Fungal periprosthetic joint infections (fPJIs) are relatively uncommon, accounting for approximately 1% of all PJIs. Revision surgery is typically recommended for fungal infections; however, the physical and financial impact on patients is significant. In this report, we present a case of fPJI successfully treated with debridement, antibiotics, and implant retention (DAIR) with a favorable outcome over a 5-year period. PATIENT CONCERN A 56-year-old male patient presented with a non-healing surgical incision 1 week after undergoing primary total knee arthroplasty on the right side. DIAGNOSIS Microbiological culture of the wound effusion identified Candida parapsilosis. Postoperatively, the patient exhibited a significant decrease in serum albumin levels and poor glycemic control. Both C-reactive protein and erythrocyte sedimentation rate were elevated. INTERVENTIONS A comprehensive DAIR procedure was performed, along with continuous closed irrigation using fluconazole for 1 week. The patient received intravenous voriconazole for 4 weeks, followed by oral fluconazole for an additional 3 months. OUTCOMES At 1- and 5-year follow-up appointments, the patient C-reactive protein and erythrocyte sedimentation rate levels were within normal limits, and there was no evidence of swelling, erythema, or tenderness in the right knee joint, indicating no signs of infection. LESSONS DAIR is an effective treatment for early fPJIs, and continuous closed irrigation may provide specific advantages. The patient nutritional status plays a crucial role in the management of periprosthetic infections.
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Affiliation(s)
- Menglong Li
- Department of Orthopedics, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Mingrui Fan
- Department of Orthopedics, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Yuchen Zhang
- Department of Orthopedics, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Jianlin Xiao
- Department of Orthopedics, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Tong Liu
- Department of Orthopedics, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Qingwei Yu
- Department of Orthopedics, China-Japan Union Hospital of Jilin University, Changchun, China
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Zhou X, Su X, Hu D, Li Y, Guo L, Yuan W, Yuan H, Chen L, Xu M, Luo S, Wang Q, Feng W, Li F. Ratiometric Fluorescence and Afterglow Lifetime Dual-Channel Nanoprobe for Simultaneous Imaging of HOCl and Temperature in Arthritis. ACS APPLIED MATERIALS & INTERFACES 2023. [PMID: 37889514 DOI: 10.1021/acsami.3c12666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2023]
Abstract
Arthritis is a joint disorder that potentially causes permanent joint damage and eventual disability without effective treatment. Clinical detection methods, including in vitro blood tests and anatomical imaging, still have limitations in achieving real-time in situ early detection of arthritis. In this work, a dual-channel luminescence nanoprobe (AGNPs-Cy7) is reported, which combines a cyanine dye and a photochemical reaction-based afterglow system for real-time in vivo imaging of arthritis. AGNPs-Cy7 simultaneously detect hypochlorous acid (HOCl) and temperature, two important indicators associated with the early development of arthritis, by monitoring the respective changes in independent ratiometric fluorescence and afterglow lifetime signals. The anti-interference properties of both the ratiometric fluorescence signal and afterglow lifetime signal enhance sensing accuracy compared to the single luminescence intensity. The developed probe successfully reveals the simultaneous increase in HOCl concentration and temperature in an arthritis mouse model.
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Affiliation(s)
- Xiaotong Zhou
- Department of Chemistry & State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
| | - Xianlong Su
- Department of Chemistry & State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
| | - Donghao Hu
- Department of Chemistry & State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
| | - Ying Li
- Department of Chemistry & State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
| | - Linna Guo
- Department of Chemistry & State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
| | - Wei Yuan
- Department of Chemistry & Institute of Optoelectronics, Fudan University, Shanghai 200433, China
| | - Hang Yuan
- Department of Chemistry & State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
| | - Lijun Chen
- School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Ming Xu
- Department of Chemistry & State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
| | - Shihua Luo
- Department of Traumatology, Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200025, China
| | - Qingbing Wang
- Department of Interventional Radiology, Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200025, China
| | - Wei Feng
- Department of Chemistry & State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
| | - Fuyou Li
- Department of Chemistry & State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
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Tsikopoulos K, Meroni G. Periprosthetic Joint Infection Diagnosis: A Narrative Review. Antibiotics (Basel) 2023; 12:1485. [PMID: 37887186 PMCID: PMC10604393 DOI: 10.3390/antibiotics12101485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2023] [Revised: 09/20/2023] [Accepted: 09/25/2023] [Indexed: 10/28/2023] Open
Abstract
Replacement of native joints aims to restore patients' quality of life by relieving pain and improving joint function. While periprosthetic joint infection (PJI) affects a small percentage of patients, with an estimated incidence of 1-9% following primary total joint replacement, this postoperative complication necessitates a lengthy hospitalisation, extended antibiotic treatment and further surgery. It is highlighted that establishing the correct diagnosis of periprosthetic infections is critical in order for clinicians to avoid unnecessary treatments in patients with aseptic failure. Of note, the PJI diagnosis could not purely rely upon clinical manifestations given the fact that heterogeneity in host factors (e.g., age and comorbidities), variability in infection period, difference in anatomical location of the involved joint and discrepancies in pathogenicity/virulence of the causative organisms may confound the clinical picture. Furthermore, intra-operative contamination is considered to be the main culprit that can result in early or delayed infection, with the hematogenous spread being the most prevalent mode. To elaborate, early and hematogenous infections often start suddenly, whereas chronic late infections are induced by less virulent bacteria and tend to manifest in a more quiescent manner. Last but not least, viruses and fungal microorganisms exert a role in PJI pathogenesis.
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Affiliation(s)
- Konstantinos Tsikopoulos
- 1st Department of Pharmacology, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Gabriele Meroni
- One Health Unit, Department of Biomedical, Surgical and Dental Sciences, School of Medicine, University of Milan, 20133 Milan, Italy;
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Schindler M, Walter N, Maderbacher G, Sigmund IK, Alt V, Rupp M. Novel diagnostic markers for periprosthetic joint infection: a systematic review. Front Cell Infect Microbiol 2023; 13:1210345. [PMID: 37529352 PMCID: PMC10388554 DOI: 10.3389/fcimb.2023.1210345] [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: 04/24/2023] [Accepted: 06/23/2023] [Indexed: 08/03/2023] Open
Abstract
Background Identifying novel biomarkers that are both specific and sensitive to periprosthetic joint infection (PJI) has the potential to improve diagnostic accuracy and ultimately enhance patient outcomes. Therefore, the aim of this systematic review is to identify and evaluate the effectiveness of novel biomarkers for the diagnosis of PJI. Methods We searched the MEDLINE, EMBASE, PubMed, and Cochrane Library databases from January 1, 2018, to September 30, 2022, using the search terms "periprosthetic joint infection," "prosthetic joint infection," or "periprosthetic infection" as the diagnosis of interest and the target index, combined with the term "marker." We excluded articles that mentioned established biomarkers such as CRP, ESR, Interleukin 6, Alpha defensin, PCT (procalcitonin), and LC (leucocyte cell count). We used the MSIS, ICM, or EBJS criteria for PJI as the reference standard during quality assessment. Results We collected 19 studies that analyzed fourteen different novel biomarkers. Proteins were the most commonly analyzed biomarkers (nine studies), followed by molecules (three studies), exosomes (two studies), DNA (two studies), interleukins (one study), and lysosomes (one study). Calprotectin was a frequently analyzed and promising marker. In the scenario where the threshold was set at ≥50-mg/mL, the calprotectin point-of-care (POC) performance showed a high sensitivity of 98.1% and a specificity of 95.7%. Conclusion None of the analyzed biomarkers demonstrated outstanding performance compared to the established parameters used for standardized treatment based on established PJI definitions. Further studies are needed to determine the benefit and usefulness of implementing new biomarkers in diagnostic PJI settings.
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Affiliation(s)
- Melanie Schindler
- Department of Trauma Surgery, University Hospital Regensburg, Regensburg, Germany
| | - Nike Walter
- Department of Trauma Surgery, University Hospital Regensburg, Regensburg, Germany
| | - Guenther Maderbacher
- Department of Orthopaedic Surgery, University Hospital of Regensburg, Asklepios Klinikum Bad Abbach, Bad Abbach, Germany
| | - Irene K. Sigmund
- Nuffield Orthopaedic Centre, Oxford University Hospitals National Health Service (NHS) Foundation Trust, Oxford, United Kingdom
| | - Volker Alt
- Department of Trauma Surgery, University Hospital Regensburg, Regensburg, Germany
| | - Markus Rupp
- Department of Trauma Surgery, University Hospital Regensburg, Regensburg, Germany
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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: 0] [Impact Index Per Article: 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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Alrayes MM, Sukeik MT. Emerging Technologies in Diagnosing Periprosthetic Joint Infections. Indian J Orthop 2023; 57:643-652. [PMID: 37128562 PMCID: PMC10147868 DOI: 10.1007/s43465-023-00891-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2023] [Accepted: 04/04/2023] [Indexed: 05/03/2023]
Abstract
Periprosthetic joint infection (PJI) is a well-known serious complication following joint replacement surgeries and is responsible for high failure rates of implanted devices. Any delay in the diagnosis can compromise treatment success, putting a huge burden on the patients' wellness and healthcare systems. Diagnosing PJIs is quite complex as there is still no gold standard test to reach the definitive diagnosis in a timely manner. A number of laboratory tests and radiological imaging inventions have evolved in the past few years, requiring consistent updates of the available guidelines to keep up with the latest advances in the field. This article highlights the recent advances in diagnosing PJIs and discusses their validity for use in clinical practice.
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Affiliation(s)
- Majd M. Alrayes
- Department of Trauma & Orthopedics, Dammam Medical Complex, Dammam, 32210 Saudi Arabia
| | - Mohamed T. Sukeik
- Department of Trauma & Orthopaedics, Dr. Sulaiman Al-Habib Hospital–Al Khobar, Al Khobar, 34423 Saudi Arabia
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11
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Vrancianu CO, Serban B, Gheorghe-Barbu I, Czobor Barbu I, Cristian RE, Chifiriuc MC, Cirstoiu C. The Challenge of Periprosthetic Joint Infection Diagnosis: From Current Methods to Emerging Biomarkers. Int J Mol Sci 2023; 24:ijms24054320. [PMID: 36901750 PMCID: PMC10002145 DOI: 10.3390/ijms24054320] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Revised: 02/18/2023] [Accepted: 02/20/2023] [Indexed: 02/24/2023] Open
Abstract
Due to the increase in the life span and mobility at older ages, the number of implanted prosthetic joints is constantly increasing. However, the number of periprosthetic joint infections (PJIs), one of the most severe complications after total joint arthroplasty, also shows an increasing trend. PJI has an incidence of 1-2% in the case of primary arthroplasties and up to 4% in the case of revision operations. The development of efficient protocols for managing periprosthetic infections can lead to the establishment of preventive measures and effective diagnostic methods based on the results obtained after the laboratory tests. In this review, we will briefly present the current methods used in PJI diagnosis and the current and emerging synovial biomarkers used for the prognosis, prophylaxis, and early diagnosis of periprosthetic infections. We will discuss treatment failure that may result from patient factors, microbiological factors, or factors related to errors during diagnosis.
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Affiliation(s)
- Corneliu Ovidiu Vrancianu
- Microbiology Immunology Department, Faculty of Biology, University of Bucharest, 050095 Bucharest, Romania
- The Research Institute of the University of Bucharest, 050095 Bucharest, Romania
| | - Bogdan Serban
- University Emergency Hospital, Carol Davila University of Medicine and Pharmacy, 020021 Bucharest, Romania
- Correspondence: (B.S.); (I.G.-B.)
| | - Irina Gheorghe-Barbu
- Microbiology Immunology Department, Faculty of Biology, University of Bucharest, 050095 Bucharest, Romania
- The Research Institute of the University of Bucharest, 050095 Bucharest, Romania
- Correspondence: (B.S.); (I.G.-B.)
| | - Ilda Czobor Barbu
- Microbiology Immunology Department, Faculty of Biology, University of Bucharest, 050095 Bucharest, Romania
- The Research Institute of the University of Bucharest, 050095 Bucharest, Romania
| | - Roxana Elena Cristian
- The Research Institute of the University of Bucharest, 050095 Bucharest, Romania
- Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Bucharest, 050095 Bucharest, Romania
| | - Mariana Carmen Chifiriuc
- Microbiology Immunology Department, Faculty of Biology, University of Bucharest, 050095 Bucharest, Romania
- The Research Institute of the University of Bucharest, 050095 Bucharest, Romania
- Romanian Academy, 010071 Bucharest, Romania
| | - Catalin Cirstoiu
- University Emergency Hospital, Carol Davila University of Medicine and Pharmacy, 020021 Bucharest, Romania
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Long Pentraxin 3 as a New Biomarker for Diagnosis of Hip and Knee Periprosthetic Joint Infections. J Clin Med 2023; 12:jcm12031055. [PMID: 36769703 PMCID: PMC9917747 DOI: 10.3390/jcm12031055] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 01/23/2023] [Accepted: 01/27/2023] [Indexed: 01/31/2023] Open
Abstract
BACKGROUND Preoperative diagnosis of periprosthetic joint infections (PJIs) poses an unmet clinical challenge. The long pentraxin PTX3 is a component of the innate immune system involved in infection immunity. This study evaluated the potential of synovial and plasmatic PTX3 in the diagnosis of hip and knee PJIs. METHODS Consecutive total hip and knee arthroplasty (THA/TKA) revisions were prospectively included and classified as septic or aseptic according to the European Bone and Joint Infection Society (EBJIS) and Musculoskeletal Infection Society (MSIS) criteria. The concentration of PTX3 in plasma and synovial fluid samples was measured with ELISA. The AUC, threshold value, sensitivity, specificity, and positive and negative likelihood ratios were calculated using the ROC (receiver operating characteristic) curve method. RESULTS The study population included 128 patients (94 THAs; 34 TKAs). The AUC of the synovial PTX3 based on EBJIS criteria was 0.85 (p < 0.0001), with a sensitivity of 81.13% and a specificity of 93.33%. The AUC based on MSIS criteria was 0.95 (p < 0.001), with a sensitivity of 91.43% and a specificity of 89.25%. Plasmatic PTX3 failed to discriminate infected from non-infected patients. CONCLUSIONS Synovial PTX3 demonstrated an excellent diagnostic potential in hip and knee PJIs, with a very high specificity irrespective of the diagnostic criteria for PJI.
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Proximal Femur Fractures in the Elderly-A Novel Modality to Predict Mortality: The Neutrophil-to-Lymphocyte Ratio. J Clin Med 2023; 12:jcm12020456. [PMID: 36675385 PMCID: PMC9865272 DOI: 10.3390/jcm12020456] [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: 11/24/2022] [Revised: 12/28/2022] [Accepted: 01/03/2023] [Indexed: 01/08/2023] Open
Abstract
Background: The assessment and identification of elderly patients with proximal femur fractures (PFF) who are at high risk of postoperative mortality may influence the treatment decision-making process. The purpose of this study was to determine whether the neutrophil-to-lymphocyte ratio (NLR) could be used to predict postoperative mortality in the elderly population. Methods: A four-year retrospective cohort study of electronic medical records was conducted at a single tertiary care hospital between 2015 and 2018. Data from 1551 patients aged 65 years and older who underwent surgical treatment for PFF were collected and analyzed. The data included complete blood counts at admission, demographic information, underlying illnesses, type of surgery, and postoperative mortality and complications during the first year of follow-up. A survival analysis model was utilized. Results: The mean age was 90.76 ± 1.88 years, 1066 (68.7%) women. Forty-four (2.8%) patients experienced postoperative infection. A higher NLR0 was independently associated with higher all-cause mortality rates in patients who underwent surgical treatment for PFF (p = 0.041). Moreover, the mean NLR0 value was higher when the death occurred earlier after surgery (p < 0.001). Conclusions: When combined with other clinical and laboratory findings, NLR0 levels may serve as a potentially valuable, inexpensive, and reliable prognostic biomarker to improve risk stratification for elderly patients who are candidates for PFF surgery. Furthermore, with additional research, we could potentially develop a treatment algorithm to identify patients at high risk of postoperative mortality.
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Carvajal JL, Kim SE. Serum acute-phase protein concentrations following uncomplicated total hip arthroplasty in dogs. Vet Surg 2023; 52:81-86. [PMID: 36148894 DOI: 10.1111/vsu.13894] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Revised: 08/13/2022] [Accepted: 08/28/2022] [Indexed: 12/31/2022]
Abstract
OBJECTIVES To establish preoperative and postoperative serum C reactive protein (CRP) and serum amyloid A (SAA) levels in dogs undergoing uncomplicated total hip arthroplasty (THA). STUDY DESIGN Prospective clinical trial. ANIMALS Eighteen client-owned dogs. METHODS Dogs undergoing THA were recruited. Serum CRP and SAA levels were measured in all dogs the day prior to surgery, and 3 and 6 months following surgery. All dogs received a physical examination and underwent radiography at each visit, and dogs with complications were excluded from the study. For continuous numeric data, histograms were generated and evaluated for normality. A 1-way repeated measures ANOVA was performed to find differences between time points. RESULTS No complications were encountered in any of the recruited dogs. Median age was 30 months (12-66), and the median bodyweight was 27.3 kg (22.3-40.2). Mean CRP concentrations in the preoperative, 3-month, and 6-month periods were 3.8 mg/L ± 4.4, 0.8 mg/L ± 1.9, and 1.4 mg/L ± 1.4, respectively. The mean SAA concentrations in the preoperative, 3-month, and 6-month periods were 13.9 mg/L ± 8.8, 14.1 mg/L ± 12.6, and 18.4 mg/L ± 15.1, respectively. There were no differences for each parameter between time points. CONCLUSION C-reactive protein and SAA levels were consistent with levels previously established for noninflammatory and normal conditions in dogs. CLINICAL SIGNIFICANCE Postoperative CRP and SAA concentrations were low by 3 months following uncomplicated THA.
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Affiliation(s)
- Jose L Carvajal
- Department of Clinical Sciences, College of Veterinary Medicine, University of Florida, Gainesville, Florida, USA
| | - Stanley E Kim
- Department of Clinical Sciences, College of Veterinary Medicine, University of Florida, Gainesville, Florida, USA
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Hong Q, Huo S, Guo J, Li B, Sun Y, Nie B, Liang S, Yang J, Yue B. Core–Shell Nanoparticle Combined with Bacterial Targeting and Antibiotic Loading for Bacteria Tracing and Clearing. ADVANCED NANOBIOMED RESEARCH 2022. [DOI: 10.1002/anbr.202200084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Affiliation(s)
- Qimin Hong
- Department of Bone and Joint Surgery Department of Orthopedics Renji Hospital School of Medicine Shanghai Jiaotong University Shanghai 200127 China
| | - Shicheng Huo
- Department of Bone and Joint Surgery Department of Orthopedics Renji Hospital School of Medicine Shanghai Jiaotong University Shanghai 200127 China
| | - Jingjing Guo
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials College of Materials Science and Engineering Donghua University Shanghai 201620 China
| | - Bo Li
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials College of Materials Science and Engineering Donghua University Shanghai 201620 China
| | - Yanping Sun
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials College of Materials Science and Engineering Donghua University Shanghai 201620 China
| | - Bin'en Nie
- Department of Bone and Joint Surgery Department of Orthopedics Renji Hospital School of Medicine Shanghai Jiaotong University Shanghai 200127 China
| | - Shanhui Liang
- Department of Gynecological Oncology Fudan University Shanghai Cancer Center Fudan University Shanghai 200032 China
- Department of Oncology Shanghai Medical College Fudan University Shanghai 200032 China
| | - Jianping Yang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials College of Materials Science and Engineering Donghua University Shanghai 201620 China
| | - Bing Yue
- Department of Bone and Joint Surgery Department of Orthopedics Renji Hospital School of Medicine Shanghai Jiaotong University Shanghai 200127 China
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Wang L, Lu Y, Yang Y, Li H, Wang Y. Elevated body temperature and leukocyte count are associated with elevated creatine kinase after seizures. Heliyon 2022; 8:e12509. [PMID: 36643300 PMCID: PMC9834749 DOI: 10.1016/j.heliyon.2022.e12509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 10/15/2022] [Accepted: 12/13/2022] [Indexed: 12/24/2022] Open
Abstract
Objective To evaluate the independent risk factors for elevated creatine kinase (hyperCKemia) after seizures. Methods Data included in this retrospective study were obtained from two hospitals from July 1, 2017, to March 31, 2022. Clinical and laboratory data were acquired from the emergency department or within 24 h after patient admission. Variables that exhibited statistical differences (P < 0.05) were selected for further analysis. Associations between body temperature (BT), leukocyte count (LEU), percentage of neutrophils (NEU), and C-reactive protein (CRP) and creatine kinase (CK) levels were assessed using binary logistic regression analysis. Results One hundred twenty-three patients who exhibited seizures were included in the study, and 39 (31.7%) patients exhibited hyperCKemia based on a CK level that was >1.5 times the upper limit of the normal range for CK. No statistical differences were observed among the patient characteristics, seizure-related parameters, or electrolyte levels. However, BT, LEU, NEU, and CRP were elevated in patients with hyperCKemia compared to patients with normal CK levels. Specifically, a BT ≥ 37.5 °C (fever) and LEU >9.5×109/L (elevated LEU) exhibited positive correlations with hyperCKemia, and presented an adjusted OR of 8.87 (95% CI: 2.11-37.24, P = 0.003) and 3.01 (95% CI: 1.12-8.05, P = 0.029), respectively. Conclusion In this study, hyperCKemia occurred in 31.7% of patients after seizures. Fever and elevated LEU were independent risk factors for seizure-related hyperCKemia. Earlier recognition of risks for seizure-related hyperCKemia would be beneficial in taking prophylactic measures.
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Affiliation(s)
- Lei Wang
- Department of Neurology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Yanan Lu
- Department of Neurology, Anhui Provincial Hospital, Hefei, China
| | - Yujing Yang
- Department of Neurology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Hanli Li
- Department of Neurology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Yu Wang
- Department of Neurology, The First Affiliated Hospital of Anhui Medical University, Hefei, China,Department of Neurology, Anqing First People's Hospital Affiliated to Anhui Medical University, Anqing, China,Corresponding author.
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Akcaalan S, Ozaslan HI, Caglar C, Şimşek ME, Citak M, Akkaya M. Role of Biomarkers in Periprosthetic Joint Infections. Diagnostics (Basel) 2022; 12:diagnostics12122958. [PMID: 36552965 PMCID: PMC9777153 DOI: 10.3390/diagnostics12122958] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 11/10/2022] [Accepted: 11/22/2022] [Indexed: 11/29/2022] Open
Abstract
Periprosthetic joint infection (PJI) is one of the most serious complications after joint arthroplasty. The incidence rate of PJI after total joint replacement is 1-3%. Although there are different guidelines and diagnostic criteria used to diagnose PJI, diagnosing PJI is a highly difficult process for orthopedists. The current Musculoskeletal Infection Society (MSIS) criteria are widely used for the diagnosis of PJI. These criteria include results from blood/synovial fluid tests, physical examination, and histological and microbiological analyses of intra-operative samples. However, there is currently no blood or synovial test that can definitively diagnose PJI. To make a more effective diagnosis of PJI, a large number of studies have explored and continue to investigate biomarkers. This review aims to provide general information about serum and synovial markers used for the diagnosis of PJI that may be used to create a database to guide researchers in new studies.
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Affiliation(s)
- Serhat Akcaalan
- Kırıkkale Yuksek Ihtısas Hospital, Kırıkkale 71300, Turkey
- Correspondence:
| | - Halil Ibrahim Ozaslan
- Department of Orthopedics and Traumatology, Faculty of Medicine, Ankara Yildirim Beyazit University, Ankara 06010, Turkey
- Department of Orthopedics and Traumatology, Ankara City Hospital, Ankara 06800, Turkey
| | - Ceyhun Caglar
- Department of Orthopedics and Traumatology, Ankara City Hospital, Ankara 06800, Turkey
| | - Mehmet Emin Şimşek
- Department of Orthopedics and Traumatology, Faculty of Medicine, Lokman Hekim University, Ankara 06230, Turkey
| | | | - Mustafa Akkaya
- Department of Orthopedics and Traumatology, Faculty of Medicine, Ankara Yildirim Beyazit University, Ankara 06010, Turkey
- Department of Orthopedics and Traumatology, Ankara City Hospital, Ankara 06800, Turkey
- Helios ENDO-Klinik Hamburg, 22767 Hamburg, Germany
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18
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Yan S, Zhang X, Lyu Z, Liu J. Decreased serum superoxide dismutase concentration has a high value for the diagnosis of periprosthetic joint infection-a single-center, retrospective study. BMC Musculoskelet Disord 2022; 23:1000. [PMID: 36411448 PMCID: PMC9677697 DOI: 10.1186/s12891-022-05965-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Accepted: 11/08/2022] [Indexed: 11/22/2022] Open
Abstract
PURPOSE As the most serious complication of total knee arthroplasty (TKA), periprosthetic joint infection (PJI) often leads to disastrous consequences. An accurate preoperative diagnosis plays a significant role in saving prostheses and optimizing treatment outcomes. Through this retrospective case-control study, we aimed to investigate the potential of superoxide dismutase (SOD) as a novel serum biomarker in the diagnosis of PJI. METHODS We conducted a retrospective review of all patients who underwent TKA and received adequate follow-ups in our hospital from June 2015 to December 2021. A total of 50 patients were enrolled in the PJI group based on the 2018 International Consensus Meeting (ICM) criteria. Besides that, we enrolled 100 patients who underwent TKA in the same period and had a good postoperative course in the control group. Patient characteristics, comorbidities, laboratory results (serum, synovial, and microbial), and intraoperative findings (purulence and histopathology) were documented and compared by univariate analysis. Receiver operating characteristic (ROC) analysis was used to determine the sensitivity, specificity, and diagnostic performance. RESULTS The median serum SOD level in the PJI and control group was 135.95 ± 24.47 U/ml (IQR, 111.85-158.30 U/ml) and 173.83 ± 13.9 U/ml (IQR,162.83-183.5 U/ml) (p < 0.05), respectively. With the calculated cutoff of SOD at 149.5U/L, the area under the ROC curve (AUC), sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV), were 0.919, 0.72, 0.97, 0.923, and 0.874, respectively. In subgroup analysis, the specificity of SOD in diagnosing culture-negative PJI remained extremely high (0.98). Combined diagnosis of serum SOD and C-reactive protein (CRP) made AUC increase to 0.972. CONCLUSION Serum SOD showed great potential in the diagnosis of PJI.
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Affiliation(s)
- Shuo Yan
- grid.417028.80000 0004 1799 2608Department of Joints, Tianjin Hospital, No. 406 Jiefang South Rd, Tianjin, 300211 Hexi District China ,grid.265021.20000 0000 9792 1228Graduate School of Tianjin Medical University, 22 Qixiang Tai Road, Tianjin, 300203 Heping District China
| | - Xiaofei Zhang
- grid.417028.80000 0004 1799 2608Department of Joints, Tianjin Hospital, No. 406 Jiefang South Rd, Tianjin, 300211 Hexi District China ,grid.412645.00000 0004 1757 9434Department of Orthopaedics, Tianjin Medical University General Hospital, Anshan Road 154, Tianjin, 300052 Heping District China
| | - Zhen Lyu
- grid.417028.80000 0004 1799 2608Department of Joints, Tianjin Hospital, No. 406 Jiefang South Rd, Tianjin, 300211 Hexi District China
| | - Jun Liu
- grid.417028.80000 0004 1799 2608Department of Joints, Tianjin Hospital, No. 406 Jiefang South Rd, Tianjin, 300211 Hexi District China
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Melinte RM, Arbănași EM, Blesneac A, Zolog DN, Kaller R, Mureșan AV, Arbănași EM, Melinte IM, Niculescu R, Russu E. Inflammatory Biomarkers as Prognostic Factors of Acute Deep Vein Thrombosis Following the Total Knee Arthroplasty. MEDICINA (KAUNAS, LITHUANIA) 2022; 58:medicina58101502. [PMID: 36295662 PMCID: PMC9608310 DOI: 10.3390/medicina58101502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Revised: 10/08/2022] [Accepted: 10/19/2022] [Indexed: 11/05/2022]
Abstract
Background and objectives: Deep vein thrombosis (DVT) is one of the most serious post-operative complications in the case of total knee arthroplasty (TKA). This study aims to verify the predictive role of inflammatory biomarkers [monocyte-to-lymphocyte ratio (MLR), neutrophil-to-lymphocyte ratio (NLR), platelets-to-lymphocyte ratio (PLR), systemic inflammatory index (SII), systemic inflammation response index (SIRI), and aggregate index of systemic inflammation (AISI)] in acute DVT following TKA. Materials and methods: The present study was designed as an observational, analytical, retrospective cohort study and included all patients over 18 years of age with surgical indications for TKA, admitted to the Department of Orthopedics, Regina Maria Health Network, Targu Mures, Romania, and the Department of Orthopedics, Humanitas MedLife Hospital, Cluj-Napoca, Romania between January 2017 and July 2022. The primary endpoint was the risk of acute DVT following the TKA, and the secondary endpoint was the length of hospital stay, and the outcomes were stratified for the baseline’s optimal MLR, NLR, PLR, SII, SIRI, and AISI cut-off value. Results: DVT patients were associated with higher age (p = 0.01), higher incidence of cardiac disease [arterial hypertension (p = 0.02), atrial fibrillation (p = 0.01)], malignancy (p = 0.005), as well as risk factors [smoking (p = 0.03) and obesity (p = 0.02)]. Multivariate analysis showed a high baseline value for all hematological ratios: MLR (OR: 11.06; p < 0.001), NLR (OR: 10.15; p < 0.001), PLR (OR: 12.31; p < 0.001), SII (OR: 18.87; p < 0.001), SIRI (OR: 10.86; p < 0.001), and AISI (OR: 14.05; p < 0.001) was an independent predictor of DVT after TKA for all recruited patients. Moreover, age above 70 (OR: 2.96; p = 0.007), AH (OR: 2.93; p = 0.02), AF (OR: 2.71; p = 0.01), malignancy (OR: 3.98; p = 0.002), obesity (OR: 2.34; p = 0.04), and tobacco (OR: 2.30; p = 0.04) were all independent predictors of DVT risk. Conclusions: Higher pre-operative hematological ratios MLR, NLR, PLR, SII, SIRI, and AISI values determined before operations strongly predict acute DVT following TKA. Moreover, age over 70, malignancy, cardiovascular disease, and risk factors such as obesity and tobacco were predictive risk factors for acute DVT.
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Affiliation(s)
- Răzvan Marian Melinte
- Department of Orthopedics, Regina Maria Health Network, 540098 Targu Mures, Romania
- Department of Orthopedics, Humanitas MedLife Hospital, 400664 Cluj Napoca, Romania
| | - Emil Marian Arbănași
- Clinic of Vascular Surgery, Mures County Emergency Hospital, 540136 Targu Mures, Romania
| | - Adrian Blesneac
- Department of Orthopedics, Regina Maria Health Network, 540098 Targu Mures, Romania
| | - Dan Nicolae Zolog
- Department of Orthopedics, Regina Maria Health Network, 540098 Targu Mures, Romania
| | - Réka Kaller
- Clinic of Vascular Surgery, Mures County Emergency Hospital, 540136 Targu Mures, Romania
| | - Adrian Vasile Mureșan
- Clinic of Vascular Surgery, Mures County Emergency Hospital, 540136 Targu Mures, Romania
- Department of Surgery, George Emil Palade University of Medicine, Pharmacy, Science, and Technology of Targu Mures, 540139 Targu Mures, Romania
- Correspondence:
| | - Eliza Mihaela Arbănași
- Faculty of Pharmacy, George Emil Palade University of Medicine, Pharmacy, Science, and Technology of Targu Mures, 540139 Targu Mures, Romania
| | - Ioana Marta Melinte
- Faculty of Medicine, George Emil Palade University of Medicine, Pharmacy, Science, and Technology of Targu Mures, 540139 Targu Mures, Romania
| | - Raluca Niculescu
- Department of Pathophysiology, George Emil Palade University of Medicine, Pharmacy, Science, and Technology of Targu Mures, 540139 Targu Mures, Romania
| | - Eliza Russu
- Clinic of Vascular Surgery, Mures County Emergency Hospital, 540136 Targu Mures, Romania
- Department of Surgery, George Emil Palade University of Medicine, Pharmacy, Science, and Technology of Targu Mures, 540139 Targu Mures, Romania
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Liu X, Min HS, Chai Y, Yu X, Wen G. Masquelet technique with radical debridement and alternative fixation in treatment of infected bone nonunion. Front Surg 2022; 9:1000340. [PMID: 36299571 PMCID: PMC9589492 DOI: 10.3389/fsurg.2022.1000340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Accepted: 09/14/2022] [Indexed: 11/13/2022] Open
Abstract
Background Infected bone nonunion is the toughest problem in fracture-related infection, leading to high disability and recurrence. The aim of this study was to evaluate the effectiveness of the Masquelet technique with radical debridement and alternative fixation in the management of infected bone nonunion. Patients and Methods A retrospective study of prospectively collected data in two trauma centers was performed from 2016 to 2020. Patients diagnosed as infected bone nonunion were included in this study. The initial implant was removed and all patients received a two-stage Masquelet procedure with radical debridement and alternative fixation. The disappearance of inflammatory manifestations and regression of infection indicators (such as interleukin-6 (IL-6), C-reactive protein, white blood cell count) to the normal range were regarded as radical debridement. The alternative fixation depended on local soft tissue conditions. Results were evaluated according to clinical and radiographic assessment and patient satisfaction. Results A total of 23 patients were included in our study. Six of them received internal fixation, while the other 17 received external fixation. Of the 23 cases, 21 were successfully reconstructed without infection recurrence, except 2 reinfected cases. Mean full weight bearing time was 6.6 months follow-up post last surgery. Out of the 23, 20 cases had satisfactory functional outcomes without additional bone or soft tissue comorbidities. Discrepancies in leg length and joint stiffness were observed in three cases and marked as unsatisfied results. Conclusions Infected bone nonunion can be successfully managed using the Masquelet technique under radical debridement combined with an alternative fixation method.
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Affiliation(s)
| | | | | | | | - Gen Wen
- Correspondence: Xiaowei Yu Gen Wen
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21
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A New Graphic Type Differentiation of Cell Account Determination for Distinguishing Acute Periprosthetic Joint Infection from Hemarthrosis. Antibiotics (Basel) 2022; 11:antibiotics11101284. [PMID: 36289943 PMCID: PMC9598683 DOI: 10.3390/antibiotics11101284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 09/16/2022] [Accepted: 09/18/2022] [Indexed: 11/16/2022] Open
Abstract
Aims: This study evaluates the value of a new graphic representation of cell count data of synovial fluid in the diagnosis of acute periprosthetic joint infection (PJI). Methods: A total of 75 patients with revisions of 48 primary total knee and 27 hip arthroplasties within the first six weeks after surgery were analyzed with cultivation of the synovial fluid and determination of its cell count as well as microbiological and histological analyses of the periprosthetic tissue obtained during the revision surgery using the ICM classification. The synovial fluid was additionally analyzed for graphic representation of the measured cells using LMNE-matrices. Results: A total of 38 patients (50.7%) had an infection. The following types of LMNE matrices could be differentiated: the indeterminate type (IV) in 14.7%, the infection type (II) in 5.3%, the hematoma type (V) in 33.3%, and the mixed type (VI; infection and hematoma) in 46.7%. Differentiation of LMNE types into infection (types II and VI) and non-infection (types IV and V) resulted in a sensitivity of 100%, a specificity of 97.3%, and a positive likelihood ratio of 37.0. The cell count measurement showed a sensitivity of 78.9%, a specificity of 89.2%, and a positive likelihood ratio of 7.3 at a cut-off of 10,000 cells. The percentage of polymorphonuclear leukocytes showed a sensitivity of 34.2%, a specificity of 100%, and a positive likelihood ratio of >200 at a cut-off of 90%. Conclusion: The graphic representation of the cell count analysis of synovial aspirates is a new and helpful method for differentiating between genuine early periprosthetic infections and postoperative hemarthrosis.
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