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Straub J, Staats K, Vertesich K, Kowalscheck L, Windhager R, Böhler C. Two-stage revision for periprosthetic joint infection after hip and knee arthroplasty. Bone Joint J 2024; 106-B:372-379. [PMID: 38555938 DOI: 10.1302/0301-620x.1064.bjj-2023-0638.r2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/02/2024]
Abstract
Aims Histology is widely used for diagnosis of persistent infection during reimplantation in two-stage revision hip and knee arthroplasty, although data on its utility remain scarce. Therefore, this study aims to assess the predictive value of permanent sections at reimplantation in relation to reinfection risk, and to compare results of permanent and frozen sections. Methods We retrospectively collected data from 226 patients (90 hips, 136 knees) with periprosthetic joint infection who underwent two-stage revision between August 2011 and September 2021, with a minimum follow-up of one year. Histology was assessed via the SLIM classification. First, we analyzed whether patients with positive permanent sections at reimplantation had higher reinfection rates than patients with negative histology. Further, we compared permanent and frozen section results, and assessed the influence of anatomical regions (knee versus hip), low- versus high-grade infections, as well as first revision versus multiple prior revisions on the histological result at reimplantation. Sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV), chi-squared tests, and Kaplan-Meier estimates were calculated. Results Overall, the reinfection rate was 18%. A total of 14 out of 82 patients (17%) with positive permanent sections at reimplantation experienced reinfection, compared to 26 of 144 patients (18%) with negative results (p = 0.996). Neither permanent sections nor fresh frozen sections were significantly associated with reinfection, with a sensitivity of 0.35, specificity of 0.63, PPV of 0.17, NPV of 0.81, and accuracy of 58%. Histology was not significantly associated with reinfection or survival time for any of the analyzed sub-groups. Permanent and frozen section results were in agreement for 91% of cases. Conclusion Permanent and fresh frozen sections at reimplantation in two-stage revision do not serve as a reliable predictor for reinfection.
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Affiliation(s)
- Jennifer Straub
- Department of Orthopaedics and Trauma Surgery, Medical University of Vienna, Vienna, Austria
| | - Kevin Staats
- Department of Orthopaedics and Trauma Surgery, Medical University of Vienna, Vienna, Austria
| | - Klemens Vertesich
- Department of Orthopaedics and Trauma Surgery, Medical University of Vienna, Vienna, Austria
| | - Lars Kowalscheck
- Department of Pathology, Medical University of Vienna, Vienna, Austria
| | - Reinhard Windhager
- Department of Orthopaedics and Trauma Surgery, Medical University of Vienna, Vienna, Austria
| | - Christoph Böhler
- Department of Orthopaedics and Trauma Surgery, Medical University of Vienna, Vienna, Austria
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Nairn L, Sivaratnam S, Bali K, Wood TJ. Neutrophil to Lymphocyte Ratio as an Indicator of Periprosthetic Joint Infection: A Retrospective Cohort Study. J Am Acad Orthop Surg 2024; 32:271-278. [PMID: 38127888 DOI: 10.5435/jaaos-d-23-00600] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Accepted: 11/02/2023] [Indexed: 12/23/2023] Open
Abstract
INTRODUCTION Periprosthetic joint infection (PJI) after total joint arthroplasty (TJA) is a serious complication posing notable clinical implications for patients and substantial economic burdens. Neutrophil to lymphocyte ratio (NLR) is an emerging biomarker of inflammation, which may better predict PJI. The objective of this review was to evaluate NLR changes in patients with confirmed PJI, to compare NLR between an aseptic revision and a revision for PJI, and to establish whether an NLR of 2.45 is an appropriate cutoff for predicting infection. METHODS A retrospective review of patients who underwent revision TJA for PJI at a single center between January 1, 2005, and December 31, 2018, was performed and compared with an aseptic cohort who underwent aseptic revision TJA. NLR was calculated from complete blood counts performed at index surgery and at the time of revision surgery. Receiver operating characteristic curves were analyzed, along with sensitivity, specificity, and positive and negative likelihood ratios. RESULTS There were 89 patients included in each cohort. Mean NLR in patients who underwent revision for PJI was 2.85 (± 1.27) at the time of index surgery and 6.89 (± 6.64) at the time of revision surgery ( P = 0.017). Mean NLR in patients undergoing revision for PJI (6.89) was significantly higher than aseptic revisions (3.17; P < 0.001). DISCUSSION In patients who underwent revision surgery for PJI, NLR was markedly elevated at time of revision compared with the time of index surgery. Because it is a cost-effective and readily available test, these findings suggest that NLR may be a useful triage test in the diagnosis of PJI. LEVEL OF EVIDENCE Level III Diagnostic Study.
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Affiliation(s)
- Leah Nairn
- From the Division of Orthopaedic Surgery, McMaster University, Hamilton, ON (Nairn, Bali, and Wood), the Michael G. DeGroote School of Medicine, McMaster University, Hamilton, ON (Sivaratnam), and the Hamilton Health Sciences Juravinski Hospital, Hamilton, ON (Bali and Wood), Canada
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Xu H, Zhou J, Huang Q, Huang Z, Xie J, Zhou Z. Unreliability of Serum- or Plasma-based Assays of D-dimer or Fibrin (Fibrinogen) Degradation Product for Diagnosing Periprosthetic Joint Infection: A Prospective Parallel Study. Orthop Surg 2024; 16:29-37. [PMID: 37975182 PMCID: PMC10782268 DOI: 10.1111/os.13935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2023] [Revised: 09/23/2023] [Accepted: 09/26/2023] [Indexed: 11/19/2023] Open
Abstract
OBJECTIVE The ability of D-dimer to diagnose periprosthetic joint infection (PJI) before revision hip or knee arthroplasty is still controversial, and the differences in diagnostic ability between serum- or plasma-based assays of D-dimer and fibrin (fibrinogen) degradation product (FDP) are uncertain. The prospective parallel study was performed to determine the ability of D-dimer to diagnose PJI before revision hip or knee arthroplasty, and the differences in diagnostic ability between serum- or plasma-based assays of D-dimer and FDP. METHODS Patients undergoing knee or hip arthroplasty at our institution were prospectively enrolled into the following groups: those without inflammatory diseases who were undergoing primary arthroplasty ("Prim" group), those with inflammatory arthritis who were undergoing primary arthroplasty ("Prim/Inflam"), those undergoing revision arthroplasty because of aseptic failure ("Rev/Asept"), or those undergoing revision arthroplasty because of PJI ("Rev/PJI"). The ability of preoperative levels of D-dimer or FDP in serum or plasma to diagnose PJI in each group was assessed using areas under receiver operating characteristic curves (AUCs) and other diagnostic performance indicators. The diagnostic performance of these assays was compared with that of C-reactive protein (CRP) and erythrocyte sedimentation rate (ESR). RESULTS In the final analysis, Prim included 42 patients; Prim/Inflam, 40; Rev./Asept, 62; and Rev./PJI, 47. D-dimer assays led to AUCs of 0.635 in serum and 0.573 in plasma, compared to 0.593 and 0.607 for FDP. Even in combination with CRP or ESR, these assays failed to perform as well as the combination of CRP and ESR for diagnosing PJI. CONCLUSION Levels of D-dimer or FDP in serum or plasma, whether used alone or together with CRP or ESR, are unreliable for diagnosing PJI before revision arthroplasty.
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Affiliation(s)
- Hong Xu
- Department of Orthopedic surgery and Orthopedic Research Institute, West China HospitalSichuan UniversityChengduChina
| | - Jing Zhou
- Department of Laboratory Medicine, West China HospitalSichuan UniversityChengduChina
| | - Qiang Huang
- Department of Orthopedic surgery and Orthopedic Research Institute, West China HospitalSichuan UniversityChengduChina
| | - Zeyu Huang
- Department of Orthopedic surgery and Orthopedic Research Institute, West China HospitalSichuan UniversityChengduChina
| | - Jinwei Xie
- Department of Orthopedic surgery and Orthopedic Research Institute, West China HospitalSichuan UniversityChengduChina
| | - Zongke Zhou
- Department of Orthopedic surgery and Orthopedic Research Institute, West China HospitalSichuan UniversityChengduChina
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Dong M, Wang Y, Fan H, Yang D, Wang R, Feng Y. The Albumin to Globulin Ratio Performs Well for Diagnosing Periprosthetic Joint Infection: A Single-Center Retrospective Study. J Arthroplasty 2024; 39:229-235.e4. [PMID: 37557968 DOI: 10.1016/j.arth.2023.08.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 07/29/2023] [Accepted: 08/01/2023] [Indexed: 08/11/2023] Open
Abstract
BACKGROUND Accurate diagnosis of the periprosthetic joint infection (PJI) remains a challenge for surgeons. The purpose of this study was to assess the value of albumin to globulin ratio (AGR) and globulin (GLB) for diagnosing PJI. METHODS A total of 182 patients undergoing revision after arthroplasty were included and divided into 2 groups, 61 in knee group (PJI: 38; non-PJI: 23) and 121 in hip group (PJI: 26; non-PJI: 95). We used receiver operating characteristic curves to determine the diagnostic value of AGR, GLB, inflammatory markers (erythrocyte sedimentation rate [ESR] and C-reactive protein [CRP]). RESULTS The receiver operating characteristic curves showed the areas under the curve of AGR, GLB, ESR, and CRP in the knee group were 0.940, 0.928, 0.867, and 0.848, respectively, and they were 0.855, 0.831, 0.886, and 0.912 in the hip group. The optimal predictive cut-off values for AGR in knee and hip groups were 1.375 and 1.295, respectively. The sensitivity and specificity of AGR, respectively, were 94.7% and 87.0% (knee group) and 84.6% and 75.8% (hip group) for diagnosing PJI. The sensitivity of "AGR or ESR" and specificity of "AGR and GLB" in the knee group were 99.6% and 98.9%, respectively. CONCLUSION For knee or hip groups, the AGR exhibits good value for the diagnosis of PJI comparable with ESR and CRP. The AGR and GLB, together with CRP and ESR, should be used as the preferred indicators for diagnosing PJI. The "AGR or ESR" and "AGR and GLB" in the knee group have an excellent diagnostic value in sensitivity and specificity, respectively.
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Affiliation(s)
- Mingjie Dong
- Department of Orthopaedics, The Second Clinical Medical College of Shanxi Medical University, TaiYuan, China
| | - Yushan Wang
- Department of Orthopaedics, The Second Clinical Medical College of Shanxi Medical University, TaiYuan, China
| | - Hao Fan
- Department of Orthopaedics, The Second Clinical Medical College of Shanxi Medical University, TaiYuan, China
| | - Dinglong Yang
- Department of Orthopaedics, The Second Clinical Medical College of Shanxi Medical University, TaiYuan, China
| | - Renwei Wang
- Department of Orthopaedics, The Second Clinical Medical College of Shanxi Medical University, TaiYuan, China
| | - Yi Feng
- Department of Orthopaedics, The Second Hospital of Shanxi Medical University, TaiYuan, China
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Akkaya M, Akcaalan S, Perrone FL, Sandiford N, Gehrke T, Citak M. Organism profile and C-reactive protein (CRP) response are different in periprosthetic joint infection in patients with hepatitis. Arch Orthop Trauma Surg 2024; 144:341-346. [PMID: 37742285 DOI: 10.1007/s00402-023-05059-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Accepted: 09/01/2023] [Indexed: 09/26/2023]
Abstract
PURPOSE Hepatitis B and C are important and relatively common health issues. It is known that many patients who underwent total knee and hip arthroplasty were also diagnosed with hepatitis. These patients are at higher risk of periprosthetic joint infection (PJI). This study aimed to investigate the differences in PJI cases in hepatitis B and C patients. METHODS This is a retrospective case-controlled single-center study. A total of 270 patients with hepatitis and non-hepatitis (control group) who underwent one-stage septic exchange to the hip and knee joints were included in the study. All patients' previous surgical histories, infective organisms, C-reactive protein (CRP) values before septic exchange, and demographic data were evaluated. All microbiological and laboratory evaluations were performed separately for knee and hip arthroplasty. RESULTS The mean CRP levels of Hep B- and C-positive patients, who underwent one-stage septic exchange in the knee joint, were 23.6 mg/L. In the control group, this value was 43.1 mg/L and a statistically significant difference was found between the groups (p = 0.004). Gram-negative organisms were identified in a larger proportion of patients with hepatitis who developed PJI in both hip and knee joints and underwent one-stage septic exchange (p = 0.041/p = 0.044). CONCLUSION PJIs caused by Gram-negative bacteria are encountered more frequently in patients with hepatitis than in the control group. In addition, the CRP rise is less in patients with hepatitis compared to PJI cases in the control group. Patient-specific evaluation is required in cases of PJI in patient groups with co-existing hepatitis.
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Affiliation(s)
- Mustafa Akkaya
- Department of Orthopaedic Surgery, Helios ENDO-Klinik, Holstenstr. 2, 22767, Hamburg, Germany
| | - Serhat Akcaalan
- Department of Orthopaedic Surgery, Helios ENDO-Klinik, Holstenstr. 2, 22767, Hamburg, Germany
| | - Fabio Luigi Perrone
- Department of Orthopaedic Surgery, Helios ENDO-Klinik, Holstenstr. 2, 22767, Hamburg, Germany
| | - Nemandra Sandiford
- Joint Reconstruction Unit, Southland Hospital, Invercargill, New Zealand
| | - Thorsten Gehrke
- Department of Orthopaedic Surgery, Helios ENDO-Klinik, Holstenstr. 2, 22767, Hamburg, Germany
| | - Mustafa Citak
- Department of Orthopaedic Surgery, Helios ENDO-Klinik, Holstenstr. 2, 22767, Hamburg, Germany.
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Fu P, Nijiati Y, Li T, Wu X, Wang Z, Zhou J, Wang C, Ning B. Clinical and molecular characteristics of methicillin-resistant Staphylococcus aureus in bone and joint infection among children. Ann Clin Microbiol Antimicrob 2023; 22:104. [PMID: 37993871 PMCID: PMC10666310 DOI: 10.1186/s12941-023-00654-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Accepted: 11/15/2023] [Indexed: 11/24/2023] Open
Abstract
OBJECTIVE To investigate the characteristics of Methicillin-Resistant Staphylococcus aureus (MRSA) in bone and joint infection (BJI) among children. METHODS A total of 338 patients diagnosed with BJI from 2013 to 2022 in Children's Hospital of Fudan University were enrolled. Demographic information, microbiology culture results and laboratory findings, including white blood counts (WBC), C-reactive protein (CRP), procalcitonin (PCT), interleukin-6 (IL-6), and erythrocyte sedimentation rate (ESR) were collected and analyzed. MRSA was confirmed by antimicrobial susceptibility testing. Other MRSA-caused infections were randomly selected for comparison. Twenty-three virulence and antimicrobial resistance (AMR) genes were screened for MRSA strains. Multilocus sequence typing (MLST) and Staphylococcal protein A (spa) typing were performed using PCR amplification and sequencing. RESULTS Of the identified pathogens in BJI, MRSA accounted for 21.0% (47/224). Patients with BJI had high levels of initial CRP, white blood cell count (WBC) and IL-6. ST59 (43.9%) and t437 (37.6%) were the main MRSA subtypes isolated from the children. The major genotypes in BJI were ST59-t437 (29.8%) and ST22-t309 (14.9%), with high carriage of hemolysins including hla (94.4-100%), hlb (66.2-93.3%), and hld (100%). Notably, Panton-Valentine leukocidin (pvl) had a high prevalence (53.3%) in ST22-t309-MRSA. Other virulence genes including tst, seg and sei were more commonly detected in ST22-t309-MRSA (40.0-46.7%) than in ST59-t437-MRSA (4.2-9.9%). High-carriage AMR genes in MRSA included aph(3')/III (66.7-80%), ermB (57.5-73.3%) and ermC (66.7-78.9%). MRSA presented high-resistance to erythromycin (52.0-100%) and clindamycin (48.0-92.5%), different genotypes displayed variation in their susceptibilities to antibiotics. CONCLUSIONS The major MRSA genotype in BJI was ST59-t437, followed by ST22-t309, with a higher prevalence of the pvl gene. Continuous surveillance of pvl-positive ST22-t309-MRSA in pediatric BJI infections is thus required.
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Affiliation(s)
- Pan Fu
- Department of Clinical Microbiology Laboratory, Children's Hospital of Fudan University, National Children's Medical Center, 399 Wanyuan Road, Shanghai, 201102, China
- Nosocomial Infection Control Department, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai, China
| | - Yaxier Nijiati
- Orthopedics Department, Children's Hospital of Fudan University, National Children's Medical Center, 399 Wanyuan Road, Shanghai, 201102, China
| | - Tingting Li
- Department of Clinical Laboratory, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai, China
| | - Xia Wu
- Department of Infectious Diseases, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai, China
| | - Zixuan Wang
- Department of Infectious Diseases, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai, China
| | - Jinlan Zhou
- Pediatric Intensive Care Unit, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai, China
| | - Chuanqing Wang
- Department of Clinical Microbiology Laboratory, Children's Hospital of Fudan University, National Children's Medical Center, 399 Wanyuan Road, Shanghai, 201102, China.
- Nosocomial Infection Control Department, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai, China.
| | - Bo Ning
- Orthopedics Department, Children's Hospital of Fudan University, National Children's Medical Center, 399 Wanyuan Road, Shanghai, 201102, China.
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Tak LJ, Shin MK, Yoo JI, Cho MC, Kim W. Development of droplet digital PCR-based detection of bacterial pathogens in prosthetic joint infection: a preliminary study using a synthesized model plasmid. Front Cell Infect Microbiol 2023; 13:1301446. [PMID: 38029245 PMCID: PMC10651726 DOI: 10.3389/fcimb.2023.1301446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Accepted: 10/19/2023] [Indexed: 12/01/2023] Open
Abstract
Periprosthetic joint infection (PJI) can be diagnosed to characterize the microorganisms constituting a biofilm, which is an essential procedure for proper treatment. The gold standard method for detecting and identifying the causative microorganism is culture of microorganisms from patients-derived sample.; however, this method takes a long time and has low sensitivity. To compensate for these limitations, identification methods based on real-time PCR (RT-PCR) have been widely used. However, RT-PCR also has limitations, including low sensitivity and the requirement of a standard curve for quantification. Therefore, to prevent significant proliferation of pathogenic bacteria, it is important to detect a limited number of infectious bacteria during early stages of PJI. In the present study, we developed droplet digital PCR-based detection of bacterial pathogens in PJI. And we evaluated the analytical performance of the assay using a model plasmid, based on the 16S ribosomal DNA sequence of target bacteria commonly found in PJI. We also prepared genomic DNA extracted from E. coli, S. aureus, and S. epidermidis to test whether ddPCR provides better sensitivity and quantification of the target sequences. ddPCR detected 400 attograms of target DNA, which was more than 10 times less than that detected by real-time PCR using synthesized plasmid. In addition, ddPCR detected target regions from genomic DNA of 50 femtograms for E. coli, 70 femtograms for S. epidermidis, and 90 femtograms for S. aureus. The results indicate that ddPCR has the potential to decrease the microbial detection limit and provide precise detection, signifying its effectiveness for early PJI.
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Affiliation(s)
- Lee-Jung Tak
- Department of Convergence Medical Science, Gyeongsang National University, Jinju, Republic of Korea
| | - Min-Kyoung Shin
- Department of Microbiology, Department of Convergence Medical Science, and Institute of Health Sciences, School of Medicine, Gyeongsang National University, Jinju, Republic of Korea
| | - Jun-Il Yoo
- Department of Orthopedic Surgery, Inha University Hospital, Incheon, Republic of Korea
| | - Min-Chul Cho
- Departments of Laboratory Medicine, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Republic of Korea
| | - Wanil Kim
- Department of Biochemistry, Department of Convergence Medical Science, and Institute of Health Sciences, School of Medicine, Gyeongsang National University, Jinju, Republic of Korea
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Oe K, Iida H, Inokuchi R, Otsuki Y, Toyoda T, Kobayashi F, Sogawa S, Nakamura T, Saito T. Can serum C-reactive protein determine the timing of reimplantation in two-stage revised arthroplasty for periprosthetic hip infection? J Orthop Sci 2023:S0949-2658(23)00194-X. [PMID: 37507315 DOI: 10.1016/j.jos.2023.07.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Revised: 07/10/2023] [Accepted: 07/14/2023] [Indexed: 07/30/2023]
Abstract
BACKGROUND There are no definitive guides to determine the timing of reimplantation in two-stage revision total hip arthroplasties (THA) for periprosthetic joint infection (PJI). This study was to design to support a rational strategy of surgical treatment using serum C-reactive protein (CRP). METHODS We analyzed a total of 75 hips for PJI in the process of performing two-stage and multiple-stage revision THAs. CRP level was retrospectively evaluated every week and transformed to log2 (CRP) using a logistic regression model. Prosthesis survival from recurrent infection was determined by Kaplan-Meier analysis, using implant removal as the endpoint. Receiver operating characteristic curves were calculated using each log2 (CRP) to assess predictions of recurrent infection. RESULTS The 10-year survival rates were 85% (95% confidence interval, 76-95) and 100% for two-stage and multiple-stage revision THAs, respectively. Preoperatively, at 1, 2, 3, and 5 weeks, log2 (CRP) was not associated with recurrent infection. In failed two-stage revision THAs, log2 (CRP) at 3 weeks divided by that at 2 weeks showed a significant difference. Failure was associated with a ratio of >4.0 for the CRP level between 3 and 2 weeks. CONCLUSION In two-stage revision THA for PJI, patients with CRP elevation from 2 weeks to 3 weeks, especially 4-fold elevation, suggests the need for further debridement and postponement of second-staged reimplantation.
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Affiliation(s)
- Kenichi Oe
- Department of Orthopaedic Surgery, Kansai Medical University, 2-5-1 Shinmachi, Hirakata, Osaka 573-1010, Japan.
| | - Hirokazu Iida
- Department of Orthopaedic Surgery, Kansai Medical University, 2-5-1 Shinmachi, Hirakata, Osaka 573-1010, Japan
| | - Ryo Inokuchi
- Department of Orthopaedic Surgery, Kansai Medical University, 2-5-1 Shinmachi, Hirakata, Osaka 573-1010, Japan
| | - Yosuke Otsuki
- Department of Orthopaedic Surgery, Kansai Medical University, 2-5-1 Shinmachi, Hirakata, Osaka 573-1010, Japan
| | - Takashi Toyoda
- Department of Orthopaedic Surgery, Kansai Medical University, 2-5-1 Shinmachi, Hirakata, Osaka 573-1010, Japan
| | - Fumito Kobayashi
- Department of Orthopaedic Surgery, Kansai Medical University, 2-5-1 Shinmachi, Hirakata, Osaka 573-1010, Japan
| | - Shohei Sogawa
- Department of Orthopaedic Surgery, Kansai Medical University, 2-5-1 Shinmachi, Hirakata, Osaka 573-1010, Japan
| | - Tomohisa Nakamura
- Department of Orthopaedic Surgery, Kansai Medical University, 2-5-1 Shinmachi, Hirakata, Osaka 573-1010, Japan
| | - Takanori Saito
- Department of Orthopaedic Surgery, Kansai Medical University, 2-5-1 Shinmachi, Hirakata, Osaka 573-1010, Japan
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Yalamanchili DR, Rockov ZA, Polakof LS, Debbi EM, Kitahara SK, Paiement GD. Serum CD64 as a Marker for Chronic Periprosthetic Joint Infection. Arthroplast Today 2023; 21:101138. [PMID: 37151405 PMCID: PMC10160686 DOI: 10.1016/j.artd.2023.101138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2023] [Accepted: 03/18/2023] [Indexed: 05/09/2023] Open
Abstract
Background Serum cluster of differentiation 64 (CD64) has emerged as a diagnostic test for musculoskeletal infections. The purpose of this study was to evaluate the utility of serum CD64 in diagnosing periprosthetic joint infections (PJIs) compared to conventional markers like white blood count (WBC), C-reactive protein (CRP), erythrocyte sedimentation rate (ESR), and interleukin-6 (IL-6). Methods A prospective case-control study on patients undergoing revision hip or knee arthroplasty surgery >6 weeks after their index surgery was performed at a single institution. Whole blood samples were drawn within 24 hours prior to revision surgery for white blood count, ESR, CRP, IL-6, and CD64. Intraoperative cultures were obtained during the revision, and PJI was defined using the major criteria from the 2018 Musculoskeletal Infection Society criteria. Two-sample Wilcoxon rank-sum test and Fisher's exact test were used to determine if there were significant differences in serum laboratory values between patients with and without infection. The sensitivity, specificity, positive predictive value (PPV), negative predictive value, and accuracy of each test were calculated. Results With an average age of 67 years, 39 patients with 15 revision THAs and 24 TKAs, were included. 19 patients (48.7%) were determined to have PJI. Patients with PJI had significantly higher CD64 (P = .036), CRP (P = .016), and ESR (P = .045). CD64 had the highest specificity (100%) and PPV (100%), moderate accuracy (69.2%), but low sensitivity (37.0%) and negative predictive value (62.5%). Conclusions Given the high specificity, PPV, and accuracy, CD64 may be an excellent confirmatory test to help diagnose PJI.
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Affiliation(s)
- Dheeraj R. Yalamanchili
- Department of Orthopaedic Surgery, Cedars-Sinai Medical Center, Los Angeles, CA, USA
- Department of Orthopaedic Surgery, Loma Linda University, Loma Linda, CA, USA
- Corresponding author. Department of Orthopaedic Surgery, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA. Tel.: +1 310 423 9718.
| | - Zachary A. Rockov
- Department of Orthopaedic Surgery, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Landon S. Polakof
- Department of Orthopaedic Surgery, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Eytan M. Debbi
- Department of Orthopaedic Surgery, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Sumire K. Kitahara
- Department of Pathology, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Guy D. Paiement
- Department of Orthopaedic Surgery, Cedars-Sinai Medical Center, Los Angeles, CA, USA
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Yu JS, Bornes TD, Youssef M, Tam KW, Nocon AA, Sculco PK, Carli AV. Which Combination is Best? A Comparison of the Predictive Potential of Serum Biomarker Combinations to Diagnose Periprosthetic Joint Infection. J Arthroplasty 2023:S0883-5403(23)00549-1. [PMID: 37230226 DOI: 10.1016/j.arth.2023.05.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 05/09/2023] [Accepted: 05/15/2023] [Indexed: 05/27/2023] Open
Abstract
BACKGROUND Without a gold standard test, recent periprosthetic joint infections (PJI) literature has explored the utility of combining serological results, with promising findings. However, previous studies evaluated fewer than 200 patients and often studied only 1 to 2 test combinations. The purpose of this study was to accumulate a large single institution cohort of revision total joint arthroplasty (rTJA) patients to determine the diagnostic utility of combination serum biomarkers to identify PJI. METHODS A single institution longitudinal database was assessed to identify all patients who underwent rTJA from 2017 to 2020. There were 1,363 rTJA patients (715 rTKA patients and 648 rTHA patients) including 273 PJI cases (20%) analyzed. The PJI was diagnosed post-rTJA utilizing 2011 Musculoskeletal Infection Society (MSIS) criteria. Erythrocyte sedimentation rate (ESR), C-reactive protein (CRP), D-dimer, and interleukin 6 (IL-6) were systematically collected for all patients. RESULTS The rTKA combination markers of CRP+ESR (sensitivity: 78.3%, specificity: 88.8%, positive predictive value (PPV): 70.0%, negative predictive value (NPV): 92.5%), CRP+D-dimer (sensitivity: 60.5%, specificity: 92.6%, PPV: 63.4%, NPV: 91.7%), and CRP+IL-6 (sensitivity: 38.5%, specificity: 100.0%, PPV: 100.0%, NPV: 92.9%) all yielded higher specificity than CRP alone (sensitivity: 94.4%, specificity: 75.0%, PPV: 55.5%, NPV: 97.6%). Similarly, the rTHA combination markers of CRP+ESR (sensitivity: 70.1%, specificity: 88.8%, PPV: 58.1%, NPV: 93.1%), CRP+D-dimer (sensitivity: 57.1%, specificity: 90.1%, PPV: 43.2%, NPV: 94.1%), and CRP+IL-6 (sensitivity: 21.4%, specificity: 98.4%, PPV: 60.0%, NPV: 91.7%) all yielded higher specificity than CRP alone (sensitivity: 84.7%, specificity: 77.5%, PPV: 45.4%, NPV: 95.8%). CONCLUSIONS Overall, in diagnosing PJI for both rTKA and rTHA, two marker combinations yielded higher specificity, while three marker combinations yielded higher sensitivity compared to CRP alone. However, compared to all two and three marker combinations, CRP demonstrated superior overall diagnostic utility. These findings suggest that routine combination testing of markers for PJI diagnosis may be excessive and an unnecessary use of resources, especially in resource-limited situations.
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Affiliation(s)
- Jonathan S Yu
- Stavros Niarchos Complex Joint Reconstruction Center, Adult Reconstruction and Joint Replacement Service, Hospital for Special Surgery, New York, NY; Weill Cornell Medical College, New York, NY.
| | - Troy D Bornes
- Stavros Niarchos Complex Joint Reconstruction Center, Adult Reconstruction and Joint Replacement Service, Hospital for Special Surgery, New York, NY
| | - Mark Youssef
- Stavros Niarchos Complex Joint Reconstruction Center, Adult Reconstruction and Joint Replacement Service, Hospital for Special Surgery, New York, NY
| | - Kathleen W Tam
- Stavros Niarchos Complex Joint Reconstruction Center, Adult Reconstruction and Joint Replacement Service, Hospital for Special Surgery, New York, NY
| | - Allina A Nocon
- Stavros Niarchos Complex Joint Reconstruction Center, Adult Reconstruction and Joint Replacement Service, Hospital for Special Surgery, New York, NY
| | - Peter K Sculco
- Stavros Niarchos Complex Joint Reconstruction Center, Adult Reconstruction and Joint Replacement Service, Hospital for Special Surgery, New York, NY
| | - Alberto V Carli
- Stavros Niarchos Complex Joint Reconstruction Center, Adult Reconstruction and Joint Replacement Service, Hospital for Special Surgery, New York, NY
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11
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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] [What about the content of this article? (0)] [Affiliation(s)] [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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12
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Macnair R, Rajakulasingam R, Singh S, Khoo M, Upadhyay B, Hargunani R, Pressney I. Image-guided synovial biopsy with a focus on infection. Skeletal Radiol 2023; 52:831-841. [PMID: 36484841 DOI: 10.1007/s00256-022-04245-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 11/27/2022] [Accepted: 11/27/2022] [Indexed: 12/14/2022]
Abstract
Image-guided biopsy of the synovium is a relatively uncommon but safe procedure with a high-diagnostic yield in the correct clinical scenario. Whilst surgical and arthroscopic techniques are still commonly performed and remain the gold standard, they are more invasive, expensive and not widely available. Ultrasound and X-ray-guided synovial biopsy are being increasingly performed by radiologists to diagnose both native and periprosthetic joint infection (PJI) to guide surgical and microbiological management. The purpose of this review article is to present the historical background to synovial biopsy particularly related to potential joint infection, including common and uncommon pathogens encountered, sampling techniques and pitfalls, focusing mainly on its role in PJI and its role in patient pathways and decision-making within a joint infection multi-disciplinary framework.
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Affiliation(s)
- R Macnair
- Department of Radiology, Morriston Hospital, Heol Maes Eglwys, Swansea, SA6 6NL, UK
| | - R Rajakulasingam
- Department of Radiology, Royal National Orthopaedic Hospital, Brockley Hill, Stanmore, HA7 4LP, Middlesex, UK
| | - S Singh
- Department of Radiology, Royal National Orthopaedic Hospital, Brockley Hill, Stanmore, HA7 4LP, Middlesex, UK
| | - M Khoo
- Department of Radiology, Royal National Orthopaedic Hospital, Brockley Hill, Stanmore, HA7 4LP, Middlesex, UK
| | - B Upadhyay
- Department of Radiology, Royal National Orthopaedic Hospital, Brockley Hill, Stanmore, HA7 4LP, Middlesex, UK
| | - R Hargunani
- Department of Radiology, Royal National Orthopaedic Hospital, Brockley Hill, Stanmore, HA7 4LP, Middlesex, UK
| | - Ian Pressney
- Department of Radiology, Royal National Orthopaedic Hospital, Brockley Hill, Stanmore, HA7 4LP, Middlesex, UK.
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13
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Klemt C, Tirumala V, Smith EJ, Xiong L, Kwon YM. Complete blood platelet and lymphocyte ratios increase diagnostic accuracy of periprosthetic joint infection following total hip arthroplasty. Arch Orthop Trauma Surg 2023; 143:1441-9. [PMID: 35098356 DOI: 10.1007/s00402-021-04309-w] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Accepted: 12/04/2021] [Indexed: 02/09/2023]
Abstract
INTRODUCTION Systemically, changes in serum platelet to lymphocyte ratio (PLR), platelet count to mean platelet volume ratio (PVR), neutrophil to lymphocyte ratio (NLR) and monocyte to lymphocyte (MLR) represent primary responses to early inflammation and infection. This study aimed to determine whether PLR, PVR, NLR, and MLR can be useful in diagnosing periprosthetic joint infection (PJI) in total hip arthroplasty (THA) patients. METHODS A total of 464 patients that underwent revision THA with calculable PLR, PVR, NLR, and MLR in 2 groups was evaluated: 1) 191 patients with a pre-operative diagnosis of PJI, and 2) 273 matched patients treated for revision THA for aseptic complications. RESULTS The sensitivity and specificity of PLR combined with erythrocyte sedimentation rate (ESR), C-reactive protein (CRP), synovial white blood cell count (WBC) and synovial polymorphonuclear leukocytes (PMN) (97.9%; 98.5%) is significantly higher than only ESR combined with CRP, synovial WBC and synovial PMN (94.2%; 94.5%; p < 0.01). The sensitivity and specificity of PVR combined with ESR, CRP and synovial WBC, and synovial PMN (98.4%; 98.2%) is higher than only ESR combined with CRP, synovial WBC and synovial PMN (94.2%; 94.5%; p < 0.01). CONCLUSION The study results demonstrate that both PLR and PVR calculated from complete blood counts when combined with serum and synovial fluid markers have increased diagnostic sensitivity and specificity in diagnosing periprosthetic joint infection in THA patients. LEVEL OF EVIDENCE III, case-control retrospective analysis.
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14
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Wang R, Shi G, Zhang H, Wang T, Ren W, Jiao Q. Globulin and Albumin/Globulin Ratios as Potential Biomarkers for the Diagnosis of Acute and Chronic Peri-Prosthetic Joint Infections: A Retrospective Study. Surg Infect (Larchmt) 2023; 24:58-65. [PMID: 36706257 DOI: 10.1089/sur.2022.215] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
Background: Peri-prosthetic joint infection (PJI) is the most serious complication after prosthetic joint replacement. However, the diagnosis of PJI remains challenging for clinicians because of the lack of a gold standard. The purpose of this study was to investigate the diagnostic significance of serum globulin, albumin/globulin, and other biomarkers in acute and chronic periprosthetic infections. Patients and Methods: A retrospective study of 162 patients with PJI and aseptic loosening between January 2016 and March 2021 at our institution was performed in three groups. There were 20 patients with acute infection in group A, 36 patients with chronic infection in group B, and 106 patients with aseptic loosening in group C. Globulin, albumin/globulin, C-reactive protein (CRP), erythrocyte sedimentation rate (ESR), platelet count (PLT), mean platelet volume (MPV), d-dimer, and platelet count/mean platelet volume ratio (PMR) levels were recorded. The area under the curve (AUC) was used to measure the diagnostic value of globulin and albumin/globulin with other biomarkers for PJI. Results: Compared with the aseptic loosening group, the acute and chronic PJI group had higher levels of CRP, ESR, d-dimer, globulin, PLT, and PMR (p < 0.01) and lower levels of albumin/globulin and MPV (p < 0.01). The optimal cutoff, AUC, sensitivity, and specificity of CRP, albumin/globulin, ESR, and globulin were: CRP, 8.3 mg/L, 0.903, 78.57%, and 88.68%; albumin/globulin, 1.31, 0.899, 91.07%, and 73.58%; ESR, 32 mm/h, 0.888, 75.%, and 85.85%; globulin, 29.5 g/L, 0.880, 91.07%, and 72.64%. Conclusions: Globulin and albumin/globulin have excellent diagnostic value for acute and chronic PJI and are promising potential biomarkers for the diagnosis of PJI. The diagnostic performance of albumin/globulin is superior to that of ESR and similar to that of CRP.
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Affiliation(s)
- Renwei Wang
- Department of Orthopedic, Linfen Central Hospital, Linfen, Shanxi Province, China.,Department of Orthopedic, Second Hospital of Shanxi Medical University, Taiyuan, Shanxi Province, China
| | - Guang Shi
- Department of Orthopedic, Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, Guangdong Province, P.R. China
| | - Hui Zhang
- Department of Orthopedic, Xi'an International Medical Center Hospital, Xi'an, Shaanxi Province, China
| | - Tao Wang
- Department of Orthopedic, Second Hospital of Shanxi Medical University, Taiyuan, Shanxi Province, China
| | - Weiping Ren
- Department of Orthopedic, Second Hospital of Shanxi Medical University, Taiyuan, Shanxi Province, China
| | - Qiang Jiao
- Department of Orthopedic, Second Hospital of Shanxi Medical University, Taiyuan, Shanxi Province, China
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15
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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] [What about the content of this article? (0)] [Affiliation(s)] [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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16
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Szczerska M, Kosowska M, Viter R, Wityk P. Photonic sensor to detect rapid changes in CRP levels. J Biophotonics 2023; 16:e202200213. [PMID: 36251221 DOI: 10.1002/jbio.202200213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 10/09/2022] [Accepted: 10/11/2022] [Indexed: 06/16/2023]
Abstract
One of the most important biomarkers used to determine inflammation is C-reactive protein (CRP). Its level, when it is within the range that does not define inflammation, informs about the risk of cardiovascular events. If the norm is exceeded and inflammation is detected in the body, CRP level can increase 1000 times within a few hours. The type of infection can also be determined based on the level of elevated CRP. All this makes CRP a very important element of diagnostics. A sensor based on low coherence interference is presented. Preliminary studies have shown that its sensitivity is 5.65 μg/L and the measurement time is short, <10 min. The entire system is built of commercially available components, which allow production cost minimalization. In addition, the user-friendly operation allows it to be operated by unqualified people. Due to these features, our solution is a promising alternative to commercially used enzyme-linked immunosorbent assay, which needs trained personnel to perform time-consuming measurement procedures.
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Affiliation(s)
- Małgorzata Szczerska
- Department of Metrology and Optoelectronics, Faculty of Electronics, Telecommunications and Informatics, Gdansk University of Technology, Gdansk, Poland
| | - Monika Kosowska
- Faculty of Telecommunications, Computer Science and Electrical Engineering, Bydgoszcz University of Science and Technology, Bydgoszcz, Poland
| | - Roman Viter
- Institute of Atomic Physics and Spectroscopy, University of Latvia, Riga, Latvia
| | - Paweł Wityk
- Department of Biopharmaceutics and Pharmacodynamics, Medical University of Gdańsk, Gdansk, Poland
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17
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Aggarwal P, Mahapatra S, Avasthi S, Aslam A, Kumar V. Role of serum and synovial procalcitonin in differentiating septic from non-septic arthritis- a prospective study. J Clin Orthop Trauma 2022; 31:101948. [PMID: 35865327 PMCID: PMC9293762 DOI: 10.1016/j.jcot.2022.101948] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 05/19/2022] [Accepted: 07/06/2022] [Indexed: 11/19/2022] Open
Abstract
INTRODUCTION Septic arthritis is a serious orthopaedic emergency that must be diagnosed and managed early to prevent devastating complications. The current gold standard for diagnosing septic arthritis is synovial fluid culture, but results are delayed by 48-72 h, and the sensitivity of the test is very low. Differentiating Septic from non-septic arthritis is vital to prevent unnecessary use of antibiotics and prevent complications. Serum Procalcitonin (PCT) is a useful marker in differentiating septic from non-septic arthritis but there are very few studies that have studied the role of synovial PCT for the same. AIM To determine the role of serum and synovial PCT in differentiating acute Septic from non-septic arthritis. MATERIALS AND METHODS Prospective clinical study in which 60 patients presenting with acute inflammatory arthritis (<2 weeks duration) were enrolled from May 2018 to May 2020. Serum and synovial fluid samples were drawn at presentation and routine blood investigations, synovial fluid culture sensitivity, and Procalcitonin levels were measured. Patients were divided into 3 groups, with group-1 having confirmed pyogenic, group-2 having presumed pyogenic, and group-3 having non -pyogenic patients, respectively. All data was tabulated and statistically analysed using appropriate tests. RESULTS Mean serum PCT values in groups 1, 2 and 3 were 1.06 ± 1.11, 0.85 ± 0.74, and 0.11 ± 0.24, respectively. Patients in the Pyogenic group (group1 and group 2) had significantly higher mean serum PCT as compared to group3 (p < 0.0001). Group 1 had higher serum PCT as compared to group 2, but the difference was not significant (p = 0.58). Mean synovial PCT in group 1, 2 and 3 were 2.42 ± 1.98, 1.89 ± 1.18, and 0.22 ± 0.40, respectively. Patients in the Pyogenic group (Group1 and Group2) had significantly higher mean synovial PCT as compared to Group 3 (p < 0.0001). Group 1 had higher mean synovial PCT as compared to group 2, but the difference was not significant (p = 0.54). The area under the ROC curve of the serum levels of PCT was 0.0.895, and the area under the ROC curve of the synovial fluid levels of PCT was 0.914, which was higher than the serum PCT level. CONCLUSION Serum and synovial Procalcitonin may be used as a diagnostic marker in differentiating septic from inflammatory arthritis and can help in reducing unnecessary use of antibiotics and early diagnosis and management of septic arthritis, thereby preventing complications.
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Chen J, Huang T, Hsu W, Lee C, Chiang Y, Chang P, Peng K. Characterization of Methicillin-Resistant Staphylococcus aureus Isolates from Periprosthetic Joint Infections. Pathogens 2022; 11:719. [PMID: 35889965 PMCID: PMC9316792 DOI: 10.3390/pathogens11070719] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 06/16/2022] [Accepted: 06/21/2022] [Indexed: 12/10/2022] Open
Abstract
Periprosthetic joint infection (PJI) is a troublesome clinical issue in total joint arthroplasty (TJA). Although methicillin-resistant Staphylococcus aureus (MRSA) is considered to be the most serious pathogen in PJIs, little is known about the genotypic and phenotypic characteristics of MRSA clones isolated from PJI patients. A total of 36 MRSA isolates from PJI patients were collected at the Chang-Gung Memorial Hospital in Taiwan from May 2016 to October 2019. All MRSA isolates were subjected to genome typing. The prevalence of Panton–Valentine leucocidin (PVL), the antibiotic susceptibility profile, and the biofilm formation ability were compared among different MRSA genogroups. Additionally, demographics and clinical manifestations of patients infected with different MRSA genogroups were investigated. Eight sequence types (STs) were identified among 36 isolated from PJIs. According to the incidence of MRSA genotypes in PJIs, in this study, we divided them into four groups, including ST8 (n = 10), ST59 (n = 8), ST239 (n = 11), and other STs (n = 7). For the antibiotic susceptibility testing, we found that all MRSA isolates in the ST239 group were highly resistant to ciprofloxacin, gentamicin trimethoprim-sulfamethoxazole, and levofloxacin. Additionally, ST239 MRSA also had a higher ability to form biofilm than other groups. Importantly, patients with ST239 infection typically had a fever and exhibited higher levels of inflammatory markers, including C-reactive protein (CRP) and white blood cell count (WBC). Epidemiological investigations revealed that knee PJIs were mainly attributed to infection with ST59 MRSA and increasing trends for infection with ST8 and other ST types of MRSAs in PJI patients were observed from 2016 to 2019. The identification of MRSA genotypes in PJIs may be helpful for the management of PJIs.
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Xu H, Liu L, Xie J, Huang Q, Lai Y, Zhou Z. Plasma fibrinogen: a sensitive biomarker for the screening of periprosthetic joint infection in patients undergoing re-revision arthroplasty. BMC Musculoskelet Disord 2022; 23:520. [PMID: 35650619 PMCID: PMC9158301 DOI: 10.1186/s12891-022-05476-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Accepted: 05/16/2022] [Indexed: 02/08/2023] Open
Abstract
Background Although serum C-reactive protein (CRP), erythrocyte sedimentation rate (ESR), plasma fibrinogen and neutrophil–lymphocyte ratio (NLR) are promising biomarkers for screening PJI in patients undergoing revision arthroplasty, their efficacy with respect to re-revision arthroplasty remains unclear. Methods We included patients who underwent re-revision arthroplasty at our hospital during 2008–2020, and stratified them into two groups whether they had been diagnosed with PJI (infected) or aseptic failure (non-infected) according to the 2013 International Consensus Meeting criteria. We evaluated the diagnostic performance of CRP, ESR, fibrinogen and NLR, both individually and in combinations, based on sensitivity, specificity, and area under the receiver operating characteristic curve. Results Of the 63 included patients, 32 were diagnosed with PJI. The area under the ROC curve was 0.821 for CRP, 0.794 for ESR, 0.885 for fibrinogen and 0.702 for NLR. CRP gave a sensitivity of 87.5% and specificity of 74.2% with an optimal predictive cut-off of 8.50 mg/mL. ESR gave a sensitivity of 81.3% and specificity of 71.0% with an optimal predictive cut-off of 33 mm/h. Plasma fibrinogen gave a comparatively higher sensitivity of 93.8% and specificity of 77.4% with an optimal predictive cut-off of 3.55 g/L, while NLR gave a moderate sensitivity of 84.4% but low specificity of 54.8% with an optimal predictive cut-off of 2.30. The combination of fibrinogen and CRP gave a high AUC of 0.897, an acceptable sensitivity of 75% and a high specificity 93.5%. Conclusions Plasma fibrinogen is a cost-effective, convenient biomarker that can be used to rule out PJI in patients scheduled for re-revision arthroplasty. In combination with CRP, it may be effective in diagnosing PJI in such patients.
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Affiliation(s)
- Hong Xu
- Department of Orthopaedic Surgery, West China Hospital, Sichuan University, No.37, Guoxue Road, Wuhou District, Chengdu, 610041, Sichuan, China
| | - Li Liu
- Department of Orthopaedic Surgery, West China Hospital, Sichuan University/West China School of Nursing, Sichuan University, No.37, Guoxue Road, Wuhou district, Chengdu, 610041, Sichuan, China
| | - Jinwei Xie
- Department of Orthopaedic Surgery, West China Hospital, Sichuan University, No.37, Guoxue Road, Wuhou District, Chengdu, 610041, Sichuan, China
| | - Qiang Huang
- Department of Orthopaedic Surgery, West China Hospital, Sichuan University, No.37, Guoxue Road, Wuhou District, Chengdu, 610041, Sichuan, China
| | - Yahao Lai
- Department of Orthopaedic Surgery, West China Hospital, Sichuan University, No.37, Guoxue Road, Wuhou District, Chengdu, 610041, Sichuan, China
| | - Zongke Zhou
- Department of Orthopaedic Surgery, West China Hospital, Sichuan University, No.37, Guoxue Road, Wuhou District, Chengdu, 610041, Sichuan, China.
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Masters TL, Bhagwate AV, Dehankar MK, Greenwood-Quaintance KE, Abdel MP, Mandrekar JN, Patel R. Human transcriptomic response to periprosthetic joint infection. Gene 2022; 825:146400. [PMID: 35306116 DOI: 10.1016/j.gene.2022.146400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 05/17/2021] [Accepted: 03/04/2022] [Indexed: 11/17/2022]
Abstract
Periprosthetic joint infection (PJI), a devastating complication of total joint replacement, is of incompletely understood pathogenesis and may sometimes be challenging to clinically distinguish from other causes of arthroplasty failure. We characterized human gene expression in 93 specimens derived from surfaces of resected arthroplasties, comparing transcriptomes of subjects with infection- versus non-infection-associated arthroplasty failure. Differential gene expression analysis confirmed 28 previously reported potential biomarkers of PJI, including bactericidal/permeability increasing protein (BPI), cathelicidin antimicrobial peptide (CAMP), C-C-motif chemokine ligand 3 (CCL3), 4(CCL4) and C-X-C-motif chemokine ligand 2 (CXCL2), colony stimulating factor 2 receptor beta (CSF2RB), colony stimulating factor 3 (CSF3), alpha-defensin (DEFA4), Fc fragment of IgG receptor 1B (CD64B), intercellular adhesion molecule 1 (ICAM1), interferon gamma (IFNG), interleukin 13 receptor subunit alpha 2 (IL13RA2), interleukin 17D (IL17D), interleukin 1 (IL1A, IL1B, IL1RN), interleukin 2 receptors (IL2RA, IL2RG), interleukin 5 receptor (IL5RA), interleukin 6 (IL6), interleukin 8 (IL8), lipopolysaccharide binding protein (LBP), lipocalin (LCN2), lactate dehydrogenase C (LDHC), lactotransferrin (LTF), matrix metallopeptidase 3 (MMP3), peptidase inhibitor 3 (PI3), and vascular endothelial growth factor A (VEGFA), and identified three novel molecules of potential diagnostic use for detection of PJI, namely C-C-motif chemokine ligand CCL20, coagulation factor VII (F7), and B cell receptor FCRL4. Comparative analysis of infections caused by staphylococci versus bacteria other than staphylococci and Staphylococcus aureus versus Staphylococcus epidermidis showed elevated expression of interleukin 13 (IL13), IL17D, and MMP3 in staphylococcal infections, and of IL1B, IL8, and platelet factor PF4V1 in S. aureus compared to S. epidermidis infections. Pathway analysis of over-represented genes suggested activation of host immune response and cellular maintenance and repair functions in response to invasion of infectious agents. The data presented provides new potential targets for diagnosis of PJI and for differentiation of PJI caused by different infectious agents.
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Affiliation(s)
- Thao L Masters
- Division of Clinical Microbiology, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, United States
| | - Aditya V Bhagwate
- Department of Biomedical Statistics and Informatics, Mayo Clinic, Rochester, MN, United States
| | - Mrunal K Dehankar
- Department of Biomedical Statistics and Informatics, Mayo Clinic, Rochester, MN, United States
| | - Kerryl E Greenwood-Quaintance
- Division of Clinical Microbiology, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, United States
| | - Matthew P Abdel
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, United States
| | - Jay N Mandrekar
- Department of Health Sciences Research, Mayo Clinic, Rochester, MN, United States
| | - Robin Patel
- Division of Clinical Microbiology, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, United States; Division of Infectious Diseases, Department of Medicine, Mayo Clinic, Rochester, MN, United States.
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21
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Liu H, Yu Y, Niu Y. Utility of Human Neutrophil Lipocalin as a Diagnosing Biomarker of Prosthetic Joint Infection: A Clinical Pilot Study. Infect Drug Resist 2022; 15:2393-2400. [PMID: 35528185 PMCID: PMC9075898 DOI: 10.2147/idr.s355180] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2022] [Accepted: 04/29/2022] [Indexed: 12/12/2022] Open
Abstract
Purpose The discrimination of prosthetic joint infection (PJI) from aseptic failure is regarded as a major clinical challenge. The key function of human neutrophil lipocalin (HNL) in regulating bacterial infection rationalizes its potential as a biomarker to diagnose PJI. This work evaluated the accuracy of serum human neutrophil lipocalin as a biomarker to diagnose PJI. Methods This prospective cohort study enrolled altogether 58 patients suffering from miserable knee or hip arthroplasty and receiving revision surgery from 2018 to 2020. Related laboratory and clinical information of these patients were retrieved. Following the Musculoskeletal Infection Society (MSIS) criteria, the diagnosis of PJI was conducted. Collecting preoperative blood samples, we measured HNL by the standard assay. Thereafter, plotting the receiver-operating characteristic curve (ROC), the area under the curve (AUC) values were calculated to analyze the diagnosis accuracy. Results According to the MSIS criteria, 38 cases (65.5%) were classified into the PJI group, while 20 (34.5%) into the aseptic loosening group, with age ranging from 38 to 87 (median, 66.9) years. The median serum HNL level of the PJI patients was 199.01 (range, 85.34–357.79) ng/mL, significantly higher as compared with that of 64.81 (range, 20.73–157.89) ng/mL of the aseptic loosening group. Using the Youden index, the optimal threshold value was 105.1ng/mL, while the specificity, sensitivity, and AUC were 85.0%, 81.6%, and 0.919, respectively. Conclusion Serum HNL is the creditable test that can be employed as the laboratory biomarker to screen PJI. The threshold HNL level is 105.1 ng/mL, which may distinguish PJI from aseptic failure.
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Affiliation(s)
- Hanjiang Liu
- Department of Clinical Laboratory, Zhengzhou Orthopaedics Hospital, Zhengzhou, Henan, 450000, People’s Republic of China
| | - Yali Yu
- Department of Clinical Laboratory, Zhengzhou Orthopaedics Hospital, Zhengzhou, Henan, 450000, People’s Republic of China
| | - Yanli Niu
- School of Basic Medical Science, Henan University, Kaifeng, Henan, 475004, People’s Republic of China
- Correspondence: Yanli Niu, School of Basic Medical Science, Henan University, Kaifeng, Henan, 475004, People’s Republic of China, Email
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22
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Lee SH, Chu CT, Chang CH, Hu CC, Chen SY, Lu TW, Lin YC. Do Serum C-Reactive Protein Trends Predict Treatment Outcome in Patients with Knee Periprosthetic Joint Infection Undergoing Two-Stage Exchange Arthroplasty? Diagnostics (Basel) 2022; 12. [PMID: 35626186 DOI: 10.3390/diagnostics12051030] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 04/12/2022] [Accepted: 04/18/2022] [Indexed: 02/05/2023] Open
Abstract
Two-stage exchange arthroplasty is the standard treatment for knee periprosthetic joint infection (PJI). This study aimed to determine whether serial changes in C-reactive protein (CRP) values can predict the prognosis in patients with knee PJI. We retrospectively enrolled 101 patients with knee PJI treated with two-stage exchange arthroplasty at our institution from 2010 to 2016. We excluded patients with spacer complications and confounding factors affecting CRP levels. We tested the association between treatment outcomes and qualitative CRP patterns or quantitative CRP levels. Of the 101 patients, 24 (23.8%) had recurrent PJI and received surgical intervention after two-stage reimplantation. Patients with a fluctuating CRP pattern were more likely to receive antibiotics for a longer period (p < 0.001). There was greater risk of treatment failure if the CRP levels were higher when antibiotics were switched from an intravenous to oral form (p = 0.023). The patients who received antibiotics for longer than six weeks (p = 0.017) were at greater risk of treatment failure after two-stage arthroplasty. Although CRP patterns cannot predict treatment outcomes, CRP fluctuation in the interim period was associated with longer antibiotic duration, which was related to a higher treatment failure rate.
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23
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Xu H, Xie J, Zhang S, Wang D, Huang Z, Zhou Z. Potential Blood Biomarkers for Diagnosing Periprosthetic Joint Infection: A Single-Center, Retrospective Study. Antibiotics (Basel) 2022; 11:antibiotics11040505. [PMID: 35453256 PMCID: PMC9030667 DOI: 10.3390/antibiotics11040505] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 03/30/2022] [Accepted: 04/06/2022] [Indexed: 12/24/2022] Open
Abstract
Background: Blood biomarkers are first-line tools for identifying periprosthetic joint infection (PJI). C-reactive protein (CRP) is currently recognized as the standard biomarker for PJI diagnosis. Other recently reported novel biomarkers, including plasma fibrinogen, platelet count, monocyte/lymphocyte ratio (MLR), neutrophil/lymphocyte ratio (NLR), and platelet count/lymphocyte ratio (PLR), have also shown promise in diagnosing PJI. This study aimed to evaluate whether these biomarkers were superior to CRP for identifying PJI. Methods: Patients who underwent revision hip or knee arthroplasty at our hospital from January 2008 to September 2020 were included consecutively and divided into infected and non-infected groups according to the 2013 International Consensus Meeting Criteria. Blood samples were collected preoperatively, and erythrocyte sedimentation rate (ESR), CRP, interleukin-6, fibrinogen, platelet count, MLR, NLR, and PLR were analyzed. The diagnostic values of the tested biomarkers and their combinations were compared with CRP based on the area under the receiver operating characteristic curve (AUC) using the z-test. Classification trees were constructed to explore more accurate combinations of the tested markers for identifying PJI. Results: A total of 543 patients were included, of whom 245 had PJI. Among the tested biomarkers, CRP with a cutoff of 7.39 mg/L showed the highest AUC, which gave a sensitivity of 79.1% and specificity of 86.0%. The AUCs of pairwise combinations of tested markers including CRP also were inferior to CRP itself, as were combinations derived from classification trees. Conclusions: Preoperative serum CRP with a low cutoff may be the best reliable blood biomarker for identifying PJI, and those traditional or novel available blood biomarkers could not further improve the diagnostic ability on the basis of CRP.
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Affiliation(s)
- Hong Xu
- Department of Orthopedics, Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu 610000, China; (H.X.); (J.X.); (S.Z.); (D.W.); (Z.H.)
| | - Jinwei Xie
- Department of Orthopedics, Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu 610000, China; (H.X.); (J.X.); (S.Z.); (D.W.); (Z.H.)
| | - Shaoyun Zhang
- Department of Orthopedics, Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu 610000, China; (H.X.); (J.X.); (S.Z.); (D.W.); (Z.H.)
- Department of Orthopedics, The Third Hospital of Mianyang, Sichuan Mental Health Center, Mianyang 621000, China
| | - Duan Wang
- Department of Orthopedics, Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu 610000, China; (H.X.); (J.X.); (S.Z.); (D.W.); (Z.H.)
| | - Zeyu Huang
- Department of Orthopedics, Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu 610000, China; (H.X.); (J.X.); (S.Z.); (D.W.); (Z.H.)
| | - Zongke Zhou
- Department of Orthopedics, Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu 610000, China; (H.X.); (J.X.); (S.Z.); (D.W.); (Z.H.)
- Correspondence:
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24
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Goud A, Nützinger D, van der Bij A, Jenniskens K, Groenewold J, de Gast A, Bekkers JEJ. Synovial-Based Tests Outperform Serum Markers to Rule Out Infection in Total Knee Arthroplasty and Total Hip Arthroplasty: A Systematic Review and Meta-Analysis. J Arthroplasty 2022; 37:802-808.e5. [PMID: 34952165 DOI: 10.1016/j.arth.2021.12.020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 11/22/2021] [Accepted: 12/15/2021] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND Total knee arthroplasty (TKA) provides successful results in most patients. Periprosthetic joint infection (PJI) accounts for up to 25% of failed TKAs needing revision. In clinical practice, consensus in diagnostic strategy for excluding or diagnosing PJI is still lacking. In this systematic review and meta-analysis, we aim to provide a simplified data-driven diagnostic strategy for aseptic knee and hip revision surgeons to rule out PJI in the outpatient clinic phase. METHODS A literature search in EMBASE, MEDLINE, PubMed, and Cochrane was conducted. Studies involving the diagnosis of PJI in patients with failed TKAs and total hip arthroplasties needing revision were identified. Only studies using the Musculoskeletal Infection Society criteria were included. Quality was assessed using MINORS criteria. Meta-analysis was performed for each diagnostic test identified in the included studies. Pooled estimates of diagnostic accuracy measures were calculated using a bivariate model and plotted in summary receiver-operator characteristic curves. Positive and negative predictive values were calculated in a hypothetical sample of patients with a given disease prevalence. RESULTS Twenty-four studies met the inclusion criteria, describing a total of 2974 patients. Quality scores ranged from 13 to 19. Meta-analysis could be performed on 7 unique diagnostic tests. Highest pooled sensitivity and specificity were demonstrated for α-defensin with values of 86% and 96.6%, respectively. α-defensin and white blood cell count in synovial fluid demonstrate highest negative predictive value values. CONCLUSIONS We recommend, in a clinical setting with low-intermediate prevalence of PJI, performing arthrocentesis and joint fluid analysis using α-defensin and/or white blood cell count before revision TKA and revision total hip arthroplasty surgery to rule out PJI.
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Affiliation(s)
- Annemarie Goud
- Department of Orthopedic Surgery, Diakonessenhuis Utrecht/Zeist, Utrecht, the Netherlands
| | - Don Nützinger
- Department of Orthopedic Surgery, Diakonessenhuis Utrecht/Zeist, Utrecht, the Netherlands; Clinical Orthopedic Research Center Midden Nederland, Diakonessenhuis Utrecht/Zeist, Zeist, the Netherlands
| | - Akke van der Bij
- Department of Microbiology and Immunology, Diakonessenhuis Utrecht/Zeist, Utrecht, the Netherlands
| | - Kevin Jenniskens
- Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht (UMCU), University Utrecht, Utrecht, the Netherlands
| | - Joel Groenewold
- University Medical Center Utrecht (UMCU), Utrecht, the Netherlands
| | - Arthur de Gast
- Clinical Orthopedic Research Center Midden Nederland, Diakonessenhuis Utrecht/Zeist, Zeist, the Netherlands
| | - Joris E J Bekkers
- Department of Orthopedic Surgery, Diakonessenhuis Utrecht/Zeist, Utrecht, the Netherlands; Clinical Orthopedic Research Center Midden Nederland, Diakonessenhuis Utrecht/Zeist, Zeist, the Netherlands
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25
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Choi YS, Oh JB, Chang MJ, Kim TW, Kang KS, Kang SB. Delayed normalization of C-Reactive protein and erythrocyte sedimentation rate was not associated with inferior clinical outcomes after total knee arthroplasty. J Orthop Sci 2022; 28:589-596. [PMID: 35331605 DOI: 10.1016/j.jos.2022.02.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 01/06/2022] [Accepted: 02/16/2022] [Indexed: 02/05/2023]
Abstract
BACKGROUND The purpose of this study aimed to identify the proportion of patients with delayed normalization of C-reactive protein (CRP) and Erythrocyte sedimentation rate (ESR) after TKA, to determine postoperative thresholds predictive of prolonged elevation. Further, we aimed to determine if the clinical outcomes of patients with prolonged elevation were inferior to those without prolonged elevation. METHODS The records of 211 unilateral and 320 bilateral TKA were reviewed. Patients were divided into the normal and elevation group based on CRP and ESR levels at 6 weeks and 3 months. The temporal pattern of CRP and ESR change in both groups was compared, and thresholds predictive of elevation at 6 weeks and 3 months were identified. Further, the Western Ontario and McMaster Universities Osteoarthritis (WOMAC) index and Tegner activity scale of both groups at 6 months, 1 year, and 2 years after TKA were compared. RESULTS The proportion of patients with elevated CRP and ESR at 6 weeks and 3 months was CRP: 24.2%, 10%, ESR: 51.6%, 29.9% in unilateral and CRP: 31.5%, 10.6%, ESR: 58.1%, 42.7% in bilateral TKA. The thresholds for elevation at 6 weeks and 3 months were 9.5 mg/dL, 11.4 mg/dL (CRP at 6 weeks) and 81.5 mm/h, 74.5 mm/h (ESR at 3 months). There was no difference in the WOMAC score and Tegner activity scale between both groups. CONCLUSIONS CRP and ESR are often elevated for a prolonged period even in the absence of infection after TKA. Such cases show distinct temporal patterns, which are predictable, and do not appear to have a significant effect on clinical outcome.
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Affiliation(s)
- Yun Seong Choi
- Department of Orthopedic Surgery, Veterans Health Service Medical Center, Seoul, Korea.
| | - Jong Byung Oh
- Department of Orthopedic Surgery, Seoul National University College of Medicine, SMG-SNU Boramae Medical Center, 5 Gil 20, Boramae-road, Dongjak-gu, Seoul, 07061, South Korea.
| | - Moon Jong Chang
- Department of Orthopedic Surgery, Seoul National University College of Medicine, SMG-SNU Boramae Medical Center, 5 Gil 20, Boramae-road, Dongjak-gu, Seoul, 07061, South Korea.
| | - Tae Woo Kim
- Department of Orthopedic Surgery, Seoul National University College of Medicine, SMG-SNU Boramae Medical Center, 5 Gil 20, Boramae-road, Dongjak-gu, Seoul, 07061, South Korea.
| | - Kee Soo Kang
- Department of Orthopedic Surgery, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, South Korea.
| | - Seung-Baik Kang
- Department of Orthopedic Surgery, Seoul National University College of Medicine, SMG-SNU Boramae Medical Center, 5 Gil 20, Boramae-road, Dongjak-gu, Seoul, 07061, South Korea.
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26
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Hantouly AT, Salameh M, Toubasi AA, Salman LA, Alzobi O, Ahmed AF, Hameed S, Zikria B, Ahmed G. Synovial fluid calprotectin in diagnosing periprosthetic joint infection: A meta-analysis. Int Orthop 2022. [PMID: 35233711 DOI: 10.1007/s00264-022-05357-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Accepted: 02/22/2022] [Indexed: 11/08/2022]
Abstract
Purpose Periprosthetic joint infection (PJI) is one of the most debilitating complications following joint replacement surgery. Synovial biomarkers, such as Calprotectin, have become valuable in the diagnosis of PJI. This meta-analysis aimed to investigate the role of synovial Calprotectin as a diagnostic test in PJI. Methods This meta-analysis was conducted with adherence to PRISMA guidelines. PubMed, Cochrane, Web of Science, and Google Scholar were searched until February 2022. Inclusion criteria were as follows: all studies in which the patients with joint replacements were evaluated for PJI; synovial Calprotectin was the biomarker of choice to diagnose PJI; standardized guidelines were used as the gold standard for the diagnosis; and a comparison between the guidelines and Calprotectin results was made. Diagnostic parameters such as sensitivity, specificity, diagnostic odds ratio (DOR), positive predictive value, negative predictive value, and area under the curve (AUC) were calculated for the included studies to evaluate synovial Calprotectin for PJI diagnosis. Results The total number of the included patients was 618 from eight studies. The pooled sensitivity, specificity, and diagnostic odds ratio of Calprotectin test were 92% (95%CI: 84%-98%), 93% (95%CI: 84%-99%), and 187.61 (95%CI: 20.21–1741.18), respectively. The results showed that the negative and positive likelihood ratios of the Calprotectin test were 0.07 (95%CI: 0.02–0.22) and 9.91 (95%CI: 4.11–23.93), respectively. The SROC showed that the area under the curve for Calprotectin test was 0.935. Conclusion Synovial Calprotectin is a valuable biomarker as it provides a reliable and rapid diagnosis of PJI. It has the potential to be used in clinical practice due to its high sensitivity and specificity that are comparable to the other utilized biomarkers. Another advantage is its low cost relative to other biomarkers.
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27
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Ong J, Tang A, Rozell JC, Babb JS, Schwarzkopf R, Lin D. Factors predicting hip joint aspiration yield or “dry taps” in patients with total hip arthroplasty. J Orthop Surg Res 2022; 17:42. [PMID: 35065660 PMCID: PMC8783512 DOI: 10.1186/s13018-022-02942-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Accepted: 09/24/2021] [Indexed: 11/29/2022] Open
Abstract
Background Image-guided joint aspirations used to assist the diagnosis of periprosthetic joint infection (PJI) may commonly result in a dry tap–or insufficient fluid for culture and cell count analysis. Dry tap aspirations are painful and invasive for patients and often utilize a subsequent saline lavage to obtain a microbiology sample. Currently, there is a paucity of the literature addressing predictors that could suggest whether a dry tap will occur. The purpose of this study was to examine the effects of various factors on “dry tap” occurrence in patients with suspected PJI following total hip arthroplasty (THA). Methods A retrospective review was performed among THA patients suspected for PJI who received image-guided joint aspiration procedures at our institution from May 2016 to February 2020. The procedural factors included the imaging modality used for aspiration, anatomic approach, needle gauge size used, and the presence of a trainee. The patient-specific factors included number of prior ipsilateral hip surgeries, femoral head size, ESR/CRP values, and BMI. Results In total, 336 patients met our inclusion criteria. One hundred and twenty hip aspirations resulted in a dry tap (35.7%) where the patients underwent a saline lavage. Among the procedural and patient-specific factors, none of the factors were found to be statistically different between the two cohorts nor conferred any greater odds of a dry tap occurring. Conclusion No associations with dry tap occurrence were found among the procedural and patient-specific factors studied. Further research is needed to identify additional factors that may be more predictive of dry taps.
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28
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Fu J, Chen X, Ni M, Li X, Hao L, Zhang G, Chen J. The mildly decreased preoperative bilirubin level is a risk factor for periprosthetic joint infection after total hip and knee arthroplasty. Arthroplasty 2021; 3:40. [PMID: 35236483 PMCID: PMC8796532 DOI: 10.1186/s42836-021-00096-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Accepted: 09/02/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Many serologic markers are routinely tested prior to joint arthroplasty, but only few are commonly used to guide surgeons in determining patients most at risk of periprosthetic joint infection (PJI). The objective of this study was to investigate the association between preoperative bilirubin level and PJI after primary hip and knee arthroplasty. METHODS A retrospective analysis was performed on patients undergoing revision hip and knee arthroplasty at our hospital from January 2016 to December 2019. Laboratory biomarkers were collected before the primary arthroplasty, as well as general patient information. The association between the above serologic markers and postoperative PJI was analyzed. RESULTS A total of 72 patients (30 hips/42 knees) were analyzed, including 39 patients with PJI and 33 patients without PJI. Except for total bilirubin (TB) and direct bilirubin (DB), there was no significant difference between the remaining laboratory biomarkers. The preoperative TB and DB in the PJI group were 10.84 ± 0.61 μmol/L and 3.07 ± 0.19 μmol/L, respectively, which were lower than those in the non-PJI group (14.68 ± 0.75 μmol/L and 4.70 ± 0.39 μmol/L, P < 0.001). The area under the curve (AUC) of preoperative TB to predict PJI was 0.755 (P < 0.001, cutoff = 11.55 μmol/L, sensitivity = 66.67%, specificity = 75.76%). Meanwhile, the AUC of preoperative DB was 0.760 (P < 0.001, cutoff = 4.00 μmol/L, sensitivity = 84.62%, specificity = 54.45%). CONCLUSIONS The serum levels of TB and DB before the primary arthroplasty were lower in PJI patients than in non-PJI patients, and the preoperative values lower than 11.55 μmol/L and 4.00 μmol/L could be considered as a risk factor for postoperative PJI.
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Affiliation(s)
- Jun Fu
- Senior Department of Orthopedics, The Fourth Medical Center of Chinese PLA General Hospital, Beijing, China.,National Clinical Research Center for Orthopedics, Sports Medicine & Rehabilitation, Beijing, China.,Department of Orthopedics, The First Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Xiyue Chen
- Department of Orthopaedics, Sanya People's Hospital, Sanya, 572000, China
| | - Ming Ni
- Senior Department of Orthopedics, The Fourth Medical Center of Chinese PLA General Hospital, Beijing, China.,National Clinical Research Center for Orthopedics, Sports Medicine & Rehabilitation, Beijing, China.,Department of Orthopedics, The First Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Xiang Li
- Senior Department of Orthopedics, The Fourth Medical Center of Chinese PLA General Hospital, Beijing, China.,National Clinical Research Center for Orthopedics, Sports Medicine & Rehabilitation, Beijing, China.,Department of Orthopedics, The First Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Libo Hao
- Senior Department of Orthopedics, The Fourth Medical Center of Chinese PLA General Hospital, Beijing, China.,National Clinical Research Center for Orthopedics, Sports Medicine & Rehabilitation, Beijing, China.,Department of Orthopedics, The First Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Guoqiang Zhang
- Senior Department of Orthopedics, The Fourth Medical Center of Chinese PLA General Hospital, Beijing, China. .,National Clinical Research Center for Orthopedics, Sports Medicine & Rehabilitation, Beijing, China. .,Department of Orthopedics, The First Medical Center of Chinese PLA General Hospital, Beijing, China.
| | - Jiying Chen
- Senior Department of Orthopedics, The Fourth Medical Center of Chinese PLA General Hospital, Beijing, China. .,National Clinical Research Center for Orthopedics, Sports Medicine & Rehabilitation, Beijing, China. .,Department of Orthopedics, The First Medical Center of Chinese PLA General Hospital, Beijing, China.
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29
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Öztürk Ö, Özdemir M, Turgut MC, Altay M. The Fate of Failed Debridement, Antibiotics, and Implant Retention in Infected Knee Arthroplasties: Nothing to Lose. Cureus 2021; 13:e18946. [PMID: 34722006 PMCID: PMC8544802 DOI: 10.7759/cureus.18946] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/21/2021] [Indexed: 12/19/2022] Open
Abstract
Purpose The frequency of periprosthetic knee infections increases yearly because of the popularity of the total knee prostheses. Revision knee arthroplasty is an annoying problem for both the surgeons and the patients. Debridément, antibiotics, and implant retention (DAIR) is a popular alternative for the treatment of periprosthetic knee infections. Little is known about the fate of the failed DAIR patients. This study aims to investigate the effect of the failed DAIR on the clinical result after two-staged revision arthroplasty. Method Ninety-nine two-staged revision arthroplasties and 85 DAIR patients from two reference clinics were retrospectively analyzed. The minimum follow-up was 36 months. Patients were grouped according to the treatment as, two-staged revision without DAIR, two-staged revision after failed DAIR, and successful DAIR. Their Knee Society Scores (KSS), functional KSS (KSS-f) and Western Ontario and McMaster Universities Arthritis Index (WOMAC) scores were analyzed and compared. Results DAIR has a 52.9% success rate for the treatment of infection. Elevated erythrocyte sedimentation rates and C-reactive peptide levels are not risk factors for failure, but the time passed since the index surgery is a risk factor for worse outcome scores. Failed DAIR is not a risk factor for reinfection after two-staged revision. Last KSS after failed DAIR, successful DAIR, and two-staged revision were 83.98±7.033, 91.89±4.386, and 91.38±4.735, respectively. Last KSS-f after failed DAIR, successful DAIR, and two-staged revision were 86.25±9.524, 94.56±8.106, and 94.85±5.996, respectively. Last WOMAC after failed DAIR, successful DAIR, and two-staged revision were 86.16±7.745, 94.750±4.964, and 93.319±5.961, respectively. Conclusion Failed DAIR is associated with lesser, but still good, or excellent clinical scores. DAIR is suggested as a promising treatment option for periprosthetic knee infections in well-selected patients.
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Affiliation(s)
- Özkan Öztürk
- Department of Orthopedics and Traumatology, Erzurum Regional Training and Research Hospital, Erzurum, TUR
| | - Mahmut Özdemir
- Department of Orthopedics and Traumatology, VM Medical Park Hospital, Ankara, TUR
| | - Mehmet Cenk Turgut
- Department of Orthopedics and Traumatology, Erzurum Regional Training and Research Hospital, Erzurum, TUR
| | - Murat Altay
- Department of Orthopaedics and Traumatology, Keçiören Healthy Practice and Research Center, Ankara, TUR
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30
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Meier MP, Bauer IJ, Maheshwari AK, Husen M, Jäckle K, Hubert J, Hawellek T, Lehmann W, Saul D. Predicting the Exception-CRP and Primary Hip Arthroplasty. J Clin Med 2021; 10:4985. [PMID: 34768504 PMCID: PMC8584609 DOI: 10.3390/jcm10214985] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 10/22/2021] [Accepted: 10/26/2021] [Indexed: 01/13/2023] Open
Abstract
BACKGROUND While primary hip arthroplasty is the most common operative procedure in orthopedic surgery, a periprosthetic joint infection is its most severe complication. Early detection and prediction are crucial. In this study, we aimed to determine the value of postoperative C-reactive protein (CRP) and develop a formula to predict this rare, but devastating complication. METHODS We retrospectively evaluated 708 patients with primary hip arthroplasty. CRP, white blood cell count (WBC), and several patient characteristics were assessed for 20 days following the operative procedure. RESULTS Eight patients suffered an early acute periprosthetic infection. The maximum CRP predicted an infection with a sensitivity and specificity of 75% and 56.9%, respectively, while a binary logistic regression reached values of 75% and 80%. A multinominal logistic regression, however, was able to predict an early infection with a sensitivity and specificity of 87.5% and 78.9%. With a one-phase decay, 71.6% of the postoperative CRP-variance could be predicted. CONCLUSION To predict early acute periprosthetic joint infection after primary hip arthroplasty, a multinominal logistic regression is the most promising approach. Including five parameters, an early infection can be predicted on day 5 after the operative procedure with 87.5% sensitivity, while it can be excluded with 78.9% specificity.
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Affiliation(s)
- Marc-Pascal Meier
- Department of Trauma, Orthopedics and Reconstructive Surgery, Georg-August-University of Goettingen, 37075 Göttingen, Germany; (M.-P.M.); (I.J.B.); (K.J.); (T.H.); (W.L.)
| | - Ina Juliana Bauer
- Department of Trauma, Orthopedics and Reconstructive Surgery, Georg-August-University of Goettingen, 37075 Göttingen, Germany; (M.-P.M.); (I.J.B.); (K.J.); (T.H.); (W.L.)
| | - Arvind K. Maheshwari
- Kogod Center on Aging and Division of Endocrinology, Mayo Clinic, Rochester, MN 55905, USA;
| | - Martin Husen
- Department of Orthopedic Surgery, Rochester, MN 55905, USA;
- Department of Trauma, Hand and Reconstructive Surgery, University Hospital Essen, 45147 Essen, Germany
| | - Katharina Jäckle
- Department of Trauma, Orthopedics and Reconstructive Surgery, Georg-August-University of Goettingen, 37075 Göttingen, Germany; (M.-P.M.); (I.J.B.); (K.J.); (T.H.); (W.L.)
| | - Jan Hubert
- Division of Orthopaedics, Department of Trauma and Orthopaedic Surgery, University Medical Center Hamburg-Eppendorf, 20521 Hamburg, Germany;
| | - Thelonius Hawellek
- Department of Trauma, Orthopedics and Reconstructive Surgery, Georg-August-University of Goettingen, 37075 Göttingen, Germany; (M.-P.M.); (I.J.B.); (K.J.); (T.H.); (W.L.)
| | - Wolfgang Lehmann
- Department of Trauma, Orthopedics and Reconstructive Surgery, Georg-August-University of Goettingen, 37075 Göttingen, Germany; (M.-P.M.); (I.J.B.); (K.J.); (T.H.); (W.L.)
| | - Dominik Saul
- Department of Trauma, Orthopedics and Reconstructive Surgery, Georg-August-University of Goettingen, 37075 Göttingen, Germany; (M.-P.M.); (I.J.B.); (K.J.); (T.H.); (W.L.)
- Kogod Center on Aging and Division of Endocrinology, Mayo Clinic, Rochester, MN 55905, USA;
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Ponraj DS, Falstie-Jensen T, Jørgensen NP, Ravn C, Brüggemann H, Lange J. Diagnosis of orthopaedic-implant-associated infections caused by slow-growing Gram-positive anaerobic bacteria - a clinical perspective. J Bone Jt Infect 2021; 6:367-378. [PMID: 34660180 PMCID: PMC8515996 DOI: 10.5194/jbji-6-367-2021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Accepted: 09/13/2021] [Indexed: 12/21/2022] Open
Abstract
Slow-growing Gram-positive anaerobic bacteria (SGAB) such as
Cutibacterium acnes are increasingly recognized as causative agents of implant-associated infections (IAIs) in orthopaedic surgeries. SGAB IAIs are difficult to diagnose because of their non-specific clinical and laboratory findings as well as the fastidious growth conditions required by these bacteria. A high degree of clinical suspicion and awareness of the various available diagnostic methods is therefore important. This review gives an overview of the current knowledge regarding SGAB IAI, providing details about clinical features and available diagnostic methodologies. In recent years, new methods for the diagnosis of IAI were developed, but there is limited knowledge about their usefulness in SGAB IAI. Further studies are required to determine the ideal diagnostic methodology to identify these infections so that they are not overlooked and mistakenly classified as aseptic failure.
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Affiliation(s)
| | - Thomas Falstie-Jensen
- Department of Orthopaedic Surgery, Aarhus University Hospital, Aarhus, 8200, Denmark
| | | | - Christen Ravn
- Department of Orthopaedic Surgery, Lillebaelt Hospital, Kolding, 6000, Denmark
| | | | - Jeppe Lange
- Department of Clinical Medicine, Aarhus University, Aarhus, 8000, Denmark.,Department of Orthopaedic Surgery, Horsens Regional Hospital, Horsens, 8700, Denmark
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Rajakulasingam R, Cleaver L, Khoo M, Pressney I, Upadhyay B, Palanivel S, Hargunani R. Introducing image-guided synovial aspiration and biopsy in assessing peri-prosthetic joint infection: an early single-centre experience. Skeletal Radiol 2021; 50:2031-40. [PMID: 33825021 DOI: 10.1007/s00256-021-03774-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 03/25/2021] [Accepted: 03/28/2021] [Indexed: 02/02/2023]
Abstract
AIM Synovial sampling can be used in the diagnosis of peri-prosthetic joint infection (PJI). The purpose of this study was to establish the role of simultaneous image-guided synovial aspiration and biopsy (SAB) during an initial 2-year experience at our institution. METHODS Retrospective review of consecutive SABs performed during 2014-2016 at a tertiary referral musculoskeletal centre. Radiological SAB microbiology culture results were compared with intra-operative surgical samples or multidisciplinary team (MDT) meeting outcome at 1-year follow-up if surgery was not undertaken. Sensitivity, specificity and accuracy of synovial aspiration (SA), synovial biopsy (SB) and simultaneous SAB were calculated. RESULTS 103 patients (46 male, 57 female) totalling 111 procedures were analysed with mean age 65 years (range 31-83). Image-guided synovial procedures were performed on 52 (46.9%) hip and 59 (53.1%) knee joint prostheses. The mean combined sensitivity, specificity and accuracy for the entire cohort was 72.6%, 96.9% and 90%, respectively. When only SB was obtained, diagnostic accuracy (92.5%) was similar to SA alone (94.1%). In total, there were 21 (18.9%) true-positive, 80 (72.1%) true-negative, 2 (1.8%) false-positive and 8 (7.2%) false-negative cases (PPV 91.3% and NPV 90.9%). No post-procedural complications were recorded at 1-year follow-up. CONCLUSION Percutaneous image-guided SAB is a valuable technique in assessing suspected PJI, with most samples indicative of infective status and causative organisms when validated against intra-operative results and specialist MDT evaluation. Image-guided SB is a safe and useful additional procedure following failed SA with equivalent levels of diagnostic accuracy.
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Ye Y, Chen W, Gu M, Liu Q, Xian G, Pan B, Zheng L, Chen X, Zhang Z, Sheng P. Limited value of serum neutrophil-to-lymphocyte ratio in the diagnosis of chronic periprosthetic joint infection. J Orthop Traumatol 2021; 22:37. [PMID: 34536150 PMCID: PMC8449752 DOI: 10.1186/s10195-021-00599-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Accepted: 09/01/2021] [Indexed: 01/10/2023] Open
Abstract
Background Diagnosing chronic periprosthetic joint infection (PJI) is challenging. No single biomarker can accurately recognize PJI preoperatively in a timely manner. Therefore, the aim of the present study was to investigate the usefulness of the serum neutrophil-to-lymphocyte ratio (NLR) in aiding the diagnosis of chronic PJI. Materials and methods We retrospectively evaluated the medical records of 158 patients who had undergone revision arthroplasty (104 with aseptic mechanic failure and 54 with chronic PJI) from July 2011 to July 2020. Univariate analysis followed by multivariate logistic regression was applied to compare NLR, C-reactive protein (CRP), and erythrocyte sedimentation ratio (ESR) between the two groups. The receiver operating characteristic (ROC) curve was used to assess the diagnostic performance of NLR alone and in combination with CRP and ESR. Results NLR, CRP, and ESR were significantly higher in patients with chronic PJI than in the aseptic revision group (p < 0.05). ROC curve analysis revealed that NLR had a sensitivity of 57.41% and a specificity of 77.88% with an optimal threshold of 2.56. The optimal threshold for CRP and ESR was 7.00 mg/L (sensitivity 62.50% and specificity 83.12%) and 43 mm/h (sensitivity 59.38% and specificity 80.52%), respectively. The combined diagnostic value of NLR with CRP and ESR was shown to have no additional diagnostic value in predicting chronic PJI. Conclusion Compared with traditional inflammatory biomarkers (ESR and CRP), the value of serum NLR alone or combined with CRP and ESR for diagnosing chronic PJI is limited. Level of evidence Level 3.
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Affiliation(s)
- Yongyu Ye
- Department of Orthopedics, The First Affiliated Hospital, Sun Yat-Sen University, 58 Zhongshan 2nd Road, Guangzhou, 510080, China
| | - Weishen Chen
- Department of Orthopedics, The First Affiliated Hospital, Sun Yat-Sen University, 58 Zhongshan 2nd Road, Guangzhou, 510080, China
| | - Minghui Gu
- Department of Orthopedics, The First Affiliated Hospital, Sun Yat-Sen University, 58 Zhongshan 2nd Road, Guangzhou, 510080, China
| | - Qiaoli Liu
- Department of Orthopedics, The First Affiliated Hospital, Sun Yat-Sen University, 58 Zhongshan 2nd Road, Guangzhou, 510080, China
| | - Guoyan Xian
- Department of Orthopedics, The First Affiliated Hospital, Sun Yat-Sen University, 58 Zhongshan 2nd Road, Guangzhou, 510080, China
| | - Baiqi Pan
- Department of Orthopedics, The First Affiliated Hospital, Sun Yat-Sen University, 58 Zhongshan 2nd Road, Guangzhou, 510080, China
| | - Linli Zheng
- Department of Orthopedics, The First Affiliated Hospital, Sun Yat-Sen University, 58 Zhongshan 2nd Road, Guangzhou, 510080, China
| | - Xiaoling Chen
- Department of Orthopedics, The First Affiliated Hospital, Sun Yat-Sen University, 58 Zhongshan 2nd Road, Guangzhou, 510080, China
| | - Ziji Zhang
- Department of Orthopedics, The First Affiliated Hospital, Sun Yat-Sen University, 58 Zhongshan 2nd Road, Guangzhou, 510080, China.
| | - Puyi Sheng
- Department of Orthopedics, The First Affiliated Hospital, Sun Yat-Sen University, 58 Zhongshan 2nd Road, Guangzhou, 510080, China.
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Akdoğan D, Güzel M, Kuzucu EA, Çalışkan E, Kuzucu Y, Erdem G, Akpınar O. Diagnostic values of HNP 1-3 and procalcitonin levels in synovial fluid aspirates in the differential diagnosis between septic arthritis and noninfectious arthritis. J Infect Chemother 2021; 27:1591-1595. [PMID: 34294530 DOI: 10.1016/j.jiac.2021.07.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 06/08/2021] [Accepted: 07/03/2021] [Indexed: 02/05/2023]
Abstract
INTRODUCTION Although early diagnosis of septic arthritis may reduce mortality rates, and limit unnecessary surgical interventions, clinical parameters alone are not adequate for making the diagnosis of septic arthritis. Therefore, relevant laboratory parameters are used to enhance diagnostic sensitivity. The aim of our study was to assist in making the diagnosis of septic arthritis, and prevent delays in the diagnosis. For this purpose; we aimed to determine the diagnostic values of human neutrophil peptides 1-3 (HNP 1-3) and procalcitonin (PCT) in synovial fluids of patients with arthritis. By comparing the HNP 1-3 and procalcitonin levels, as well as CRP, in synovial fluid aspirates, we evaluated the significance of these data in the differential diagnosis of septic arthritis from noninfectious arthritis. METHODS A total of 67 adults consisting of 37 septic arthritis and 30 noninfectious arthritis patients were included in our study. As bioindicators; levels of HNP 1-3, PCT, synovial and serum CRP levels were found to have significant ROC areas in discriminating septic arthritis patients from noninfectious arthritis patients. RESULTS As a result, synovial fluid HNP 1-3 levels were significantly higher in septic arthritis patients compared to noninfectious arthritis patients (p < 0.001). The sensitivity, specificity, and accuracy of HNP 1-3 levels in the diagnosis of septic and noninfectious arthritis were found as 86%, 87%, and 87%, respectively (AUC of the ROC curve = 0.828). CONCLUSIONS It was decided that the level of HNP 1-3 in the synovial fluid can be used as an alternative indicator in the diagnosis of septic arthritis.
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Affiliation(s)
- Doğan Akdoğan
- Pursaklar State Hospital Department of Medical Microbiology, Ankara, Turkey
| | - Mustafa Güzel
- Maltepe Medical Center Department of Medical Microbiology, Istanbul, Turkey
| | - Esra Akkan Kuzucu
- Agri Patnos State Hospital Medical Microbiology Laboratory, Agri, Turkey
| | - Elif Çalışkan
- Ardahan State Hospital Medical Microbiology Laboratory, Ardahan, Turkey
| | - Yakup Kuzucu
- Agri Patnos State Hospital Orthopedic Clinic, Agri, Turkey
| | - Gül Erdem
- Department of Medical Microbiology, University of Health Sciences Dışkapı Yıldırım Beyazıt Training and Research Hospital, Ankara, Turkey
| | - Orhan Akpınar
- Department of Medical Microbiology, Health Sciences Institute, University of Süleyman Demirel, Isparta, 32260, Turkey.
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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] [What about the content of this article? (0)] [Affiliation(s)] [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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Xu H, Xie JW, Liu L, Wang D, Huang ZY, Zhou ZK. Combination of CRP with NLR is a sensitive tool for screening fixation-related infection in patients undergoing conversion total hip arthroplasty after failed internal fixation for femoral neck fracture. Bone Joint J 2021; 103-B:1534-1540. [PMID: 34223770 DOI: 10.1302/0301-620x.103b.bjj-2021-0105.r1] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
AIMS Monocyte-lymphocyte ratio (MLR) or neutrophil-lymphocyte ratio (NLR) are useful for diagnosing periprosthetic joint infection (PJI), but their diagnostic values are unclear for screening fixation-related infection (FRI) in patients for whom conversion total hip arthroplasty (THA) is planned after failed internal fixation for femoral neck fracture. METHODS We retrospectively included 340 patients who underwent conversion THA after internal fixation for femoral neck fracture from January 2008 to September 2020. Those patients constituted two groups: noninfected patients and patients diagnosed with FRI according to the 2013 International Consensus Meeting Criteria. Receiver operating characteristic (ROC) curves were used to determine maximum sensitivity and specificity of these two preoperative ratios. The diagnostic performance of the two ratios combined with preoperative CRP or ESR was also evaluated. RESULTS The numbers of patients with and without FRI were 19 (5.6%) and 321 (94.4%), respectively. Areas under the ROC curve for diagnosing FRI were 0.763 for MLR, 0.686 for NLR, 0.905 for CRP, and 0.769 for ESR. Based on the Youden index, the optimal predictive cutoffs were 0.25 for MLR and 2.38 for NLR. Sensitivity and specificity were 78.9% and 71.0% for MLR, and 78.9% and 56.4% for NLR, respectively. The combination of CRP with MLR showed a sensitivity of 84.2% and specificity of 94.6%, while the corresponding values for the combination of CRP with NLR were 89.5% and 91.5%, respectively. CONCLUSION The presence of preoperative FRI among patients undergoing conversion THA after internal fixation for femoral neck fracture should be determined. The combination of preoperative CRP with NLR is sensitive tool for screening FRI in those patients. Cite this article: Bone Joint J 2021;103-B(9):1534-1540.
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Affiliation(s)
- Hong Xu
- Department of Orthopaedic Surgery and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
| | - Jin-Wei Xie
- Department of Orthopaedic Surgery and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
| | - Li Liu
- Department of Orthopaedic Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Duan Wang
- Department of Orthopaedic Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Ze-Yu Huang
- Department of Orthopaedic Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Zong-Ke Zhou
- Department of Orthopaedic Surgery, West China Hospital, Sichuan University, Chengdu, China
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Cano EJ, Caflisch KM, Bollyky PL, Van Belleghem JD, Patel R, Fackler J, Brownstein MJ, Horne B, Biswas B, Henry M, Malagon F, Lewallen DG, Suh GA. Phage Therapy for Limb-threatening Prosthetic Knee Klebsiella pneumoniae Infection: Case Report and In Vitro Characterization of Anti-biofilm Activity. Clin Infect Dis 2021; 73:e144-e151. [PMID: 32699879 PMCID: PMC8246933 DOI: 10.1093/cid/ciaa705] [Citation(s) in RCA: 92] [Impact Index Per Article: 30.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Accepted: 06/01/2020] [Indexed: 01/29/2023] Open
Abstract
BACKGROUND Prosthetic joint infection (PJI) is a potentially limb-threatening complication of total knee arthroplasty. Phage therapy is a promising strategy to manage such infections including those involving antibiotic-resistant microbes, and to target microbial biofilms. Experience with phage therapy for infections associated with retained hardware is limited. A 62-year-old diabetic man with a history of right total knee arthroplasty 11 years prior who had suffered multiple episodes of prosthetic knee infection despite numerous surgeries and prolonged courses of antibiotics, with progressive clinical worsening and development of severe allergies to antibiotics, had been offered limb amputation for persistent right prosthetic knee infection due to Klebsiella pneumoniae complex. Intravenous phage therapy was initiated as a limb-salvaging intervention. METHODS The patient received 40 intravenous doses of a single phage (KpJH46Φ2) targeting his bacterial isolate, alongside continued minocycline (which he had been receiving when he developed increasing pain, swelling, and erythema prior to initiation of phage therapy). Serial cytokine and biomarker measurements were performed before, during, and after treatment. The in vitro anti-biofilm activity of KpJH46Φ2, minocycline and the combination thereof was evaluated against a preformed biofilm of the patient's isolate and determined by safranin staining. RESULTS Phage therapy resulted in resolution of local symptoms and signs of infection and recovery of function. The patient did not experience treatment-related adverse effects and remained asymptomatic 34 weeks after completing treatment while still receiving minocycline. A trend in biofilm biomass reduction was noted 22 hours after exposure to KpJH46Φ2 (P = .063). The addition of phage was associated with a satisfactory outcome in this case of intractable biofilm-associated prosthetic knee infection. Pending further studies to assess its efficacy and safety, phage therapy holds promise for treatment of device-associated infections.
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Affiliation(s)
- Edison J Cano
- Division of Infectious Diseases, Mayo Clinic, Rochester, Minnesota, USA
- Infectious Diseases Research Laboratory, Mayo Clinic, Rochester, Minnesota, USA
| | - Katherine M Caflisch
- Infectious Diseases Research Laboratory, Mayo Clinic, Rochester, Minnesota, USA
- Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, Minnesota, USA
| | - Paul L Bollyky
- Division of Infectious Diseases and Geographic Medicine, Department of Medicine, Stanford University School of Medicine, Stanford, California, USA
| | - Jonas D Van Belleghem
- Division of Infectious Diseases and Geographic Medicine, Department of Medicine, Stanford University School of Medicine, Stanford, California, USA
| | - Robin Patel
- Division of Infectious Diseases, Mayo Clinic, Rochester, Minnesota, USA
- Infectious Diseases Research Laboratory, Mayo Clinic, Rochester, Minnesota, USA
- Division of Clinical Microbiology, Mayo Clinic, Rochester, Minnesota, USA
| | - Joseph Fackler
- Adaptive Phage Therapeutics, Gaithersburg, Maryland, USA
| | | | - Bri’Anna Horne
- Adaptive Phage Therapeutics, Gaithersburg, Maryland, USA
| | - Biswajit Biswas
- Genomics and Bioinformatics Department, Biological Defense Research Directorate, Naval Medical Research Center-Frederick, Fort Detrick, Maryland, USA
| | - Matthew Henry
- Genomics and Bioinformatics Department, Biological Defense Research Directorate, Naval Medical Research Center-Frederick, Fort Detrick, Maryland, USA
- Geneva Foundation, Tacoma, Washington, USA
| | - Francisco Malagon
- Genomics and Bioinformatics Department, Biological Defense Research Directorate, Naval Medical Research Center-Frederick, Fort Detrick, Maryland, USA
| | - David G Lewallen
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Gina A Suh
- Division of Infectious Diseases, Mayo Clinic, Rochester, Minnesota, USA
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Abstract
Revision total knee arthroplasty (rTKA) is a challenging procedure with often unreproducible results. A step-by-step approach is fundamental to achieving good outcomes. Successful surgery requires a correct diagnosis of the original cause of failure. Only with an accurate and detailed plan can surgeons overcome difficulties presented in this scenario. Any bone loss should be prevented during prosthetic component removal. Efficient tools must be chosen to avoid time-consuming manoeuvres. Joint reconstruction based on a ‘dual-zone’ fixation is essential to provide a long-term survivorship of the implant. The use of relatively short fully cemented stems combined with a biological metaphyseal fixation is highly recommended by authors. Flexion and extension gaps are accurately balanced after the establishment of the tibial platform. Varus-valgus laxity is commonly managed with a condylar constrained prosthesis. If hinged implants are required, a stronger implant fixation is needed to counteract constraints forces.
Cite this article: EFORT Open Rev 2021;6:495-500. DOI: 10.1302/2058-5241.6.210018
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Affiliation(s)
- Paolo Salari
- Institute for Complex Arthroplasty and Revisions (ICAR), Villa Ulivella Clinic, Florence, Italy
| | - Andrea Baldini
- Institute for Complex Arthroplasty and Revisions (ICAR), Villa Ulivella Clinic, Florence, Italy
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Kelly ME, Bahethi SR, King ME, Elstner BC, Turcotte JJ, King PJ. The Utility of Frozen Section Histology in Diagnosing Periprosthetic Joint Infection in Revision Total Joint Arthroplasty. J Arthroplasty 2021; 36:2137-2143. [PMID: 33579630 DOI: 10.1016/j.arth.2020.12.051] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 12/14/2020] [Accepted: 12/31/2020] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND Surgeons utilize a combination of preoperative tests and intraoperative findings to diagnose periprosthetic joint infection (PJI); however, there is currently no reliable diagnostic marker that can be used in isolation. The purpose of our study is to evaluate the utility of frozen section histology in diagnosis of PJI. METHODS Retrospective analysis of 614 patients undergoing revision total joint arthroplasty with frozen section histology from a single institution was performed. Discriminatory value of frozen section histology was assessed using univariate analysis and evaluation of area under the curve (AUC) of a receiver operating characteristic curve comparing frozen section histology results to the 2018 International Consensus Meeting (ICM) PJI criteria modified to exclude the histology component. RESULTS The sensitivity of the frozen section histology was 53.6% and the specificity was 95.2%. There was 99.2% concordance between the permanent section and frozen section results. The receiver operating characteristic curve for frozen section yielded an AUC of 0.744 (95% confidence interval 0.627-0.860) and the modified ICM score yielded an AUC of 0.912 (95% confidence interval 0.836-0.988) when compared to the full score. The addition of frozen section histology changed the decision to infected in 20% of "inconclusive" cases but less than 1% of total cases. CONCLUSION In comparison to the modified ICM criteria, intraoperative frozen section histology has poor sensitivity, strong specificity, and acceptable overall discrimination for diagnosing PJI. This test appears to be of particular value for patients deemed "inconclusive" for infection using the remaining ICM criteria.
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Barker CJ, Marriot A, Khan M, Oswald T, Tingle SJ, Partington PF, Carluke I, Reed MR. Hip aspiration culture: analysing data from a single operator series investigating periprosthetic joint infection. J Bone Jt Infect 2021; 6:165-170. [PMID: 34084706 PMCID: PMC8137858 DOI: 10.5194/jbji-6-165-2021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Accepted: 04/09/2021] [Indexed: 01/29/2023] Open
Abstract
Introduction:
We undertook this study to know the sensitivity, specificity and post-test
probabilities of hip aspiration when diagnosing periprosthetic hip infections. We also examined “dry tap” (injection with saline and
aspiration) results and aspiration volumes.
Methods:
This is a retrospective cohort study of patients aspirated for suspected
periprosthetic joint infection between July 2012 and October 2016. All aspirations were carried out by one trained surgical care practitioner
(SCP). All aspirations followed an aseptic technique and fluoroscopic guidance. Aspiration was compared to tissue biopsy taken at revision.
Aspiration volumes were analysed for comparison.
Results:
Between January 2012 and September 2016, 461 hip aspirations were performed
by our SCP. Of these 125 progressed to revision. We calculated sensitivity
59 % (confidence interval (CI) 35 %–82 %) and specificity 94 % (CI
89 %–98 %). Pre-test probability for our cohort was 0.14. Positive post-test
probability was 0.59 and negative post-test probability 0.06. Aspiration
volume for infected (n=17) and non-infected (n=108) joints was compared
and showed no significant difference. Dry taps were experienced five times; in each instance the dry tap agreed with the biopsy result.
Conclusions:
Our data show that hip aspiration culture is a highly specific investigation
for diagnosing infection but that it is not sensitive. Aspiration volume
showed no significant difference between infected and non-infected groups.
Each time a joint was infiltrated with saline to achieve a result, the result matched tissue sampling.
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Affiliation(s)
| | - Alan Marriot
- Northumbria Healthcare NHS Foundation Trust, Cramlington, NE23 6NZ, UK
| | - Munir Khan
- Northumbria Healthcare NHS Foundation trust, Cramlington, NE23 6NZ, UK
| | - Tamsin Oswald
- Northumbria Healthcare NHS Foundation Trust, Cramlington, NE23 6NZ, UK
| | - Samuel J Tingle
- Newcastle upon Tyne Hospitals NHS Foundation Trust, Freeman Hospital, Newcastle upon Tyne, NE7 7DN, UK
| | - Paul F Partington
- Northumbria Healthcare NHS Foundation Trust, Cramlington, NE23 6NZ, UK
| | - Ian Carluke
- Northumbria Healthcare NHS Foundation Trust, Cramlington, NE23 6NZ, UK
| | - Mike R Reed
- Northumbria Healthcare NHS Foundation Trust, Cramlington, NE23 6NZ, UK
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Keemu H, Vaura F, Maksimow A, Maksimow M, Jokela A, Hollmén M, Mäkelä K. Novel Biomarkers for Diagnosing Periprosthetic Joint Infection from Synovial Fluid and Serum. JB JS Open Access 2021; 6:JBJSOA-D-20-00067. [PMID: 34056503 PMCID: PMC8154383 DOI: 10.2106/jbjs.oa.20.00067] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Background: Synovial fluid bacterial culture is the cornerstone of confirmation or exclusion of periprosthetic joint infection (PJI). The aim of this study was to assess synovial fluid and serum biomarker patterns of patients with total joint arthroplasty (TJA), and the association of these patterns with PJI. Methods: Synovial fluid and serum samples were collected from 35 patients who were admitted to the Arthroplasty Unit of the Department of Orthopaedics and Traumatology at Turku University Hospital. Of the 25 patients who were included in the study, 10 healthy patients with an elective TJA for osteoarthritis served as the control group, and 15 patients who were admitted due to clinical suspicion of PJI with local redness, swelling, wound drainage, pain, and/or fever and who had a positive synovial fluid bacterial culture served as the study group. Logistic regression was used to assess the ability of 37 biomarkers (including cytokines, chemokines, and growth factors) with commercially available tests to detect PJIs. Results: In synovial fluid, the concentrations of sTNF-R1 and sTNF-R2 (soluble tumor necrosis factor receptors 1 and 2) and BAFF (B-cell activating factor, also known as TNFSF13B) were significantly higher in the PJI group (p < 0.002). In serum, the sTNF-R1 concentration was significantly higher in the PJI group, whereas the TWEAK (tumor necrosis factor-like weak inducer of apoptosis) and osteocalcin concentrations were significantly lower (p < 0.002). The sensitivity for detecting PJI using synovial fluid was 1.00 for sTNF-R2, 0.93 for sTNF-R1, and 0.87 for BAFF/TNFSF13B. The specificity of all 3 synovial markers was 1.00. The sensitivity using serum was 0.80 for TWEAK, 0.73 for sTNF-R1, and 0.80 for osteocalcin. The specificity of all 3 serum markers was 1.00. Conclusions: Synovial sTNF-R2 is a promising new biomarker for detecting PJI. We are not aware of any previous reports of the use of sTNF-R2 in PJI diagnosis. More research is needed to assess the clinical importance of our findings. Level of Evidence: Diagnostic Level II. See Instructions for Authors for a complete description of levels of evidence.
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Affiliation(s)
- Hannes Keemu
- Departments of Orthopaedics and Traumatology (H.K., A.J., and K.M.) and Perioperative Services, Intensive Care, and Pain Medicine (A.M.), Turku University Hospital and the University of Turku, Turku, Finland
| | - Felix Vaura
- MediCity Research Laboratory, University of Turku, Turku, Finland
| | - Anu Maksimow
- Departments of Orthopaedics and Traumatology (H.K., A.J., and K.M.) and Perioperative Services, Intensive Care, and Pain Medicine (A.M.), Turku University Hospital and the University of Turku, Turku, Finland
| | - Mikael Maksimow
- MediCity Research Laboratory, University of Turku, Turku, Finland
| | - Aleksi Jokela
- Departments of Orthopaedics and Traumatology (H.K., A.J., and K.M.) and Perioperative Services, Intensive Care, and Pain Medicine (A.M.), Turku University Hospital and the University of Turku, Turku, Finland
| | - Maija Hollmén
- MediCity Research Laboratory, University of Turku, Turku, Finland
| | - Keijo Mäkelä
- Departments of Orthopaedics and Traumatology (H.K., A.J., and K.M.) and Perioperative Services, Intensive Care, and Pain Medicine (A.M.), Turku University Hospital and the University of Turku, Turku, Finland
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Kusnierova P, Bystronova I, Walder P, Hlubek R, Vsiansky F, Stejskal D. Alpha-defensins determination in different types of synovial fluid and parallel collected serum samples by ELISA. Biomed Pap Med Fac Univ Palacky Olomouc Czech Repub 2021; 165:367-374. [PMID: 33899825 DOI: 10.5507/bp.2021.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Accepted: 04/07/2021] [Indexed: 11/23/2022] Open
Abstract
AIMS The study aims were to verify the serum (S) and synovial fluid (SF) reference intervals (RIs) for human neutrophil defensins (HNP1-3); measure S and SF defensin concentrations in different types of SF, including non-inflammatory, inflammatory non-pyogenic, inflammatory pyogenic, and hemorrhagic; and to compare the HNP1-3 concentrations in SF and S with those of other inflammatory biomarkers. METHODS SF and S samples were collected from 92 patients. HNP1-3 concentrations were determined using enzyme-linked immunosorbent assays; glucose, lactate, interleukin-6, and procalcitonin using an automatic analyzer; and presepsin using a Pathfast system. There were 61 non-inflammatory, 11 inflammatory non-pyogenic, 11 inflammatory pyogenic, and 9 hemorrhagic SF. Non-inflammatory SF was divided into non-inflammatory normal and non-inflammatory osteoarthritis. The former was used to estimate the HNP1-3 RI in SF and S. RESULTS The estimated HNP1-3 RIs of SF and S were 12.47-437.42 mg/L and 5.45-44.75 µg/L, respectively. HNP1-3 differed significantly between S and SF and individual groups of SF (P<0.001 and P=0.001, respectively). There were significant relationships between SF HNP1-3 and S HNP1-3 (P<0.001), S C-reactive protein (P<0.001), and S interleukin-6 (P=0.007), and between SF HNP1-3 and SF C-reactive protein (P=0.004) and SF interleukin-6 (P<0.001). The highest kappa coefficient was between SF HNP1-3 and SF interleukin-6 (κ=0.507). CONCLUSIONS We validated the SF HNP1-3 diagnostic kit and demonstrated that SF and S HNP1-3 are promising biomarkers for distinguishing inflammatory from non-inflammatory joint diseases.
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Affiliation(s)
- Pavlina Kusnierova
- Institute of Laboratory Diagnostics, Department of Clinical Biochemistry, University Hospital Ostrava, Czech Republic
| | - Iveta Bystronova
- Institute of Laboratory Diagnostics, Department of Clinical Biochemistry, University Hospital Ostrava, Czech Republic.,Department of Epidemiology and Public Health, Faculty of Medicine, University of Ostrava, Czech Republic
| | - Pavel Walder
- Orthopedic Department, University Hospital Ostrava, Czech Republic
| | - Rudolf Hlubek
- Orthopedic Department, University Hospital Ostrava, Czech Republic
| | - Frantisek Vsiansky
- Institute of Laboratory Diagnostics, Department of Clinical Biochemistry, University Hospital Ostrava, Czech Republic
| | - David Stejskal
- Institute of Laboratory Diagnostics, Department of Clinical Biochemistry, University Hospital Ostrava, Czech Republic
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Padua FG, Yayac M, Parvizi J. Variation in Inflammatory Biomarkers Among Demographic Groups Significantly Affects Their Accuracy in Diagnosing Periprosthetic Joint Infection. J Arthroplasty 2021; 36:1420-8. [PMID: 33190995 DOI: 10.1016/j.arth.2020.10.036] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Revised: 10/08/2020] [Accepted: 10/20/2020] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND Diagnosis of periprosthetic joint infection (PJI) is a multistep process that involves performing various tests including erythrocyte sedimentation rate (ESR) and C-reactive protein (CRP). The latter two tests, despite being used at all times for PJI diagnosis, are known to be nonspecific and substantially affected by demographic characteristics, including age, gender, race, and body mass index. It is unknown how these variations affect the diagnostic utility of serological markers for PJI. METHODS Institutional databases were queried to identify patients undergoing revision arthroplasty between 2010 and 2018, in whom preoperative serum ESR and CRP was performed. Patient demographics were collected, and patients were cross-referenced with an internal database to determine their infection status. Analyses were performed to determine how ESR and CRP varied with respect to demographic factors, including age, gender, race, and infection status. Given that patient infection status was known at the time of revision, conclusions were drawn about the effect of these variations in inflammatory markers on the diagnostic utility of ESR and CRP. RESULTS The value of ESR increased by age was higher in females and African American race. No significant differences were observed in the value of CRP among the demographic factors, although a slight positive trend was observed with respect to age. The variation in inflammatory markers significantly affected the sensitivity, specificity, and accuracy of ESR and CRP for PJI diagnosis. CONCLUSION Understanding how the accuracy of diagnostic tests varies with respect to demographic factors can help physicians avoid subjecting patients to unnecessary additional testing and reach more accurate diagnoses of PJI.
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Collins KA. Periprosthetic Joint Infections of the Hip and Knee. Physician Assistant Clinics 2021. [DOI: 10.1016/j.cpha.2020.11.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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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. Arch Bone Jt Surg 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] [What about the content of this article? (0)] [Affiliation(s)] [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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Fang X, Zhang L, Cai Y, Huang Z, Li W, Zhang C, Yang B, Lin J, Wahl P, Zhang W. Effects of different tissue specimen pretreatment methods on microbial culture results in the diagnosis of periprosthetic joint infection. Bone Joint Res 2021; 10:96-104. [PMID: 33517765 PMCID: PMC7937541 DOI: 10.1302/2046-3758.102.bjr-2020-0104.r3] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Aims Microbiological culture is a key element in the diagnosis of periprosthetic joint infection (PJI). However, cultures of periprosthetic tissue do not have optimal sensitivity. One of the main reasons for this is that microorganisms are not released from the tissues, either due to biofilm formation or intracellular persistence. This study aimed to optimize tissue pretreatment methods in order to improve detection of microorganisms. Methods From December 2017 to September 2019, patients undergoing revision arthroplasty in a single centre due to PJI and aseptic failure (AF) were included, with demographic data and laboratory test results recorded prospectively. Periprosthetic tissue samples were collected intraoperatively and assigned to tissue-mechanical homogenization (T-MH), tissue-manual milling (T-MM), tissue-dithiothreitol (T-DTT) treatment, tissue-sonication (T-S), and tissue-direct culture (T-D). The yield of the microbial cultures was then analyzed. Results A total of 46 patients were enrolled, including 28 patients in the PJI group and 18 patients in the AF group. In the PJI group, 23 cases had positive culture results via T-MH, 22 cases via T-DTT, 20 cases via T-S, 15 cases via T-MM, and 13 cases via T-D. Three cases under ongoing antibiotic treatment remained culture-negative. Five tissue samples provided the optimal yield. Any ongoing antibiotic treatment had a relevant influence on culture sensitivity, except for T-DTT. Conclusion T-MH had the highest sensitivity. Combining T-MH with T-DTT, which requires no special equipment, may effectively improve bacterial detection in PJI. A total of five periprosthetic tissue biopsies should be sampled in revision arthroplasty for optimal detection of PJI. Cite this article: Bone Joint Res 2021;10(2):96–104.
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Affiliation(s)
- Xinyu Fang
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China
| | - Lvheng Zhang
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China
| | - Yuanqing Cai
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China
| | - Zida Huang
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China
| | - Wenbo Li
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China
| | - Chaofan Zhang
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China
| | - Bin Yang
- Department of Laboratory Medicine, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China
| | - Jianhua Lin
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China
| | - Peter Wahl
- Division of Orthopaedics and Traumatology, Cantonal Hospital Winterthur, Winterthur, Switzerland
| | - Wenming Zhang
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China
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Omar M, Windhagen H, Krettek C, Ettinger M. Noninvasive diagnostic of periprosthetic joint infection by urinary peptide markers: A preliminary study. J Orthop Res 2021; 39:339-347. [PMID: 33179279 DOI: 10.1002/jor.24913] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Revised: 10/25/2020] [Accepted: 11/08/2020] [Indexed: 02/04/2023]
Abstract
Previous immunohistochemical analyses revealed altered protein expression in the periprosthetic membranes of patients with periprosthetic joint infection (PJI). Proteins are degraded to peptides that may pass the blood-kidney barrier depending on their size. The aim of this study was to evaluate if PJI can be diagnosed based on the urinary peptide excretion pattern. Thirty patients undergoing removal of their hip or knee prostheses due to septic or aseptic loosening were enrolled. Specimen sampling was performed according to the MusculoSkeletal Infection Society criteria. A urinary sample was analyzed before surgery using capillary electrophoresis coupled with mass spectrometry. Peptides with differential urinary excretion between groups were used to establish a multimarker model. A total of 137 peptides were differentially excreted between the septic and aseptic groups. The majority of identified peptide markers were fragments of structural extracellular matrix proteins, potentially due to their origin from the periprosthetic membrane. A marker model with 83 peptides achieved the best diagnostic performance for diagnosing PJI with a sensitivity of 95%, a specificity of 90%, and an area under the curve of 0.96. The altered protein expression pattern in the periprosthetic membrane of PJI is most likely reflected in excreted urinary peptides. Thus, the diagnosis of PJI by urinary peptide markers seems to be a reasonable approach.
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Affiliation(s)
- Mohamed Omar
- Trauma Department, Hannover Medical School, Hanover, Germany
| | - Henning Windhagen
- Department of Orthopaedic Surgery, Hannover Medical School, Hanover, Germany
| | | | - Max Ettinger
- Department of Orthopaedic Surgery, Hannover Medical School, Hanover, Germany
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Yang F, Choe H, Kobayashi N, Tezuka T, Oba M, Miyamae Y, Morita A, Abe K, Inaba Y. An automated real-time PCR assay for synovial fluid improves the preoperative etiological diagnosis of periprosthetic joint infection and septic arthritis. J Orthop Res 2021; 39:348-355. [PMID: 33331672 DOI: 10.1002/jor.24959] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 11/22/2020] [Accepted: 12/14/2020] [Indexed: 02/04/2023]
Abstract
Synovial fluid is important for the preoperative etiological diagnosis of suspected periprosthetic joint infection (PJI) or septic arthritis (SA). GENECUBE, an automated real-time polymerase chain reaction (PCR) assay, was used to detect bacterial mecA (methicillin resistance) and was compared with microbiological cultures for preoperatively diagnosing PJI and SA in 74 patients suspected of these infections and thus earmarked for surgery. PJI and SA were diagnosed in 21 and 6 cases, respectively, using modified ICM 2018 diagnostic criteria. Microbiological cultures determined methicillin-resistant staphylococcus (MRS) as the causative organism in six samples, which were all positive in the GENECUBE assay. Significantly also, the GENECUBE assay detected six MRS infections in culture-negative but infection-diagnosed patients, and in one inconclusive case, suggesting a higher sensitivity of this assay. Compared with microbiological culture, the sensitivity and specificity of the GENECUBE assay for mecAwas 100% and 92.2%, respectively. However, GENECUBE also produced invalid results in three cases, suggesting possible PCR inhibitors in the synovial fluid samples. We additionally validated the accuracy of pan-bacterial real-time PCR targeting 16S rRNA and other tests. Pan-bacterial real-time PCR was as effective as preoperative bacterial culture testing, although the α-defensin assay had the highest sensitivity at 100%. Hence, fully automated real-time PCR targeting of the bacterial mecA gene improves the etiological diagnosis of PJI and SA by reducing the testing time and lowering the false-positive detection rates. A screening approach for α-defensin followed by bacterial mecA gene testing in synovial fluids is therefore a more efficient method of preoperatively diagnosing PJI and SA.
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Affiliation(s)
- Fan Yang
- Department of Orthopaedic Surgery, Yokohama City University, Yokohama, Japan.,Department of Orthopaedic Surgery, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Hyonmin Choe
- Department of Orthopaedic Surgery, Yokohama City University, Yokohama, Japan
| | - Naomi Kobayashi
- Department of Orthopaedic Surgery, Yokohama City University Medical Center, Yokohama, Japan
| | - Taro Tezuka
- Department of Orthopaedic Surgery, Yokohama City University, Yokohama, Japan
| | - Masatoshi Oba
- Department of Orthopaedic Surgery, Yokohama City University, Yokohama, Japan
| | - Yushi Miyamae
- Department of Orthopaedic Surgery, Yokohama City University, Yokohama, Japan
| | - Akira Morita
- Department of Orthopaedic Surgery, Yokohama City University, Yokohama, Japan
| | - Koki Abe
- Department of Orthopaedic Surgery, Yokohama City University, Yokohama, Japan
| | - Yutaka Inaba
- Department of Orthopaedic Surgery, Yokohama City University, Yokohama, Japan
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Grzelecki D, Walczak P, Szostek M, Grajek A, Rak S, Kowalczewski J. Blood and synovial fluid calprotectin as biomarkers to diagnose chronic hip and knee periprosthetic joint infections. Bone Joint J 2021; 103-B:46-55. [PMID: 33380202 DOI: 10.1302/0301-620x.103b1.bjj-2020-0953.r1] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
AIMS Calprotectin (CLP) is produced in neutrophils and monocytes and released into body fluids as a result of inflammation or infection. The aim of this study was to evaluate the utility of blood and synovial CLP in the diagnosis of chronic periprosthetic joint infection (PJI). METHODS Blood and synovial fluid samples were collected prospectively from 195 patients undergoing primary or revision hip and knee arthroplasty. Patients were divided into five groups: 1) primary total hip and knee arthroplasty performed due to idiopathic osteoarthritis (OA; n = 60); 2) revision hip and knee arthroplasty performed due to aseptic failure of the implant (AR-TJR; n = 40); 3) patients with a confirmed diagnosis of chronic PJI awaiting surgery (n = 45); 4) patients who have finished the first stage of the PJI treatment with the use of cemented spacer and were qualified for replantation procedure (SR-TJR; n = 25), and 5) patients with rheumatoid arthritis undergoing primary total hip and knee arthroplasty (RA; n = 25). CLP concentrations were measured quantitatively in the blood and synovial fluid using an immunoturbidimetric assay. Additionally, blood and synovial CRP, blood interleukin-6 (IL-6), and ESR were measured, and a leucocyte esterase (LE) strip test was performed. RESULTS Patients with PJI had higher CLP concentrations than those undergoing aseptic revision in blood (median PJI 2.14 mg/l (interquartile range (IQR) 1.37 to 3.56) vs AR-TJR 0.66 mg/l (IQR 0.3 to 0.83); p < 0.001) and synovial fluid samples (median PJI 20.46 mg/l (IQR 14.3 to 22.36) vs AR-TJR 0.7 mg/l (IQR 0.41 to 0.95); p < 0.001). With a cut-off value of 1.0 mg/l, blood CLP showed a sensitivity, specificity, positive predictive value, and negative predictive value of 93.3%, 87.5%, 89.4%, and 92.1%, respectively. For synovial fluid with a cut-off value of 1.5 mg/l, these were 95.6%, 95%, 95.5%, and 95%, respectively. CONCLUSION This small study suggests that synovial and blood CLP are useful markers in chronic PJI diagnosis with similar or higher sensitivity and specificity than routinely used markers such as CRP, ESR, IL-6, and LE. CLP was not useful to differentiate patients with PJI from those with rheumatoid arthritis. Cite this article: Bone Joint J 2021;103-B(1):46-55.
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Affiliation(s)
- Dariusz Grzelecki
- Department of Orthopedics and Rheumoorthopedics, Centre of Postgraduate Medical Education, Otwock, Poland
| | - Piotr Walczak
- Department of Orthopedics, Centre of Postgraduate Medical Education, Otwock, Poland
| | - Marta Szostek
- Central Laboratory, Professor Adam Gruca Hospital, Otwock, Poland
| | | | - Stanisław Rak
- Department of Orthopedics, Centre of Postgraduate Medical Education, Otwock, Poland
| | - Jacek Kowalczewski
- Department of Orthopedics and Rheumoorthopedics, Centre of Postgraduate Medical Education, Otwock, Poland
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Yang F, Zhao C, Huang R, Ma H, Wang X, Wang G, Zhao X. Plasma fibrinogen in the diagnosis of periprosthetic joint infection. Sci Rep 2021; 11:677. [PMID: 33436902 DOI: 10.1038/s41598-020-80547-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Accepted: 12/11/2020] [Indexed: 12/23/2022] Open
Abstract
Periprosthetic joint infections (PJIs) have become the most catastrophic complication for patients after arthroplasty. Although previous studies have found that many biomarkers have good performance for diagnosing PJI, early diagnosis remains challenging and a gold standard is lacking. This study aimed to investigate the diagnostic accuracy of plasma fibrinogen (FIB) in detecting PJI compared to other traditional biomarks (CRP, WBC and ESR). A total of 156 patients (including 57 PJI and 99 non-PJI patients) who underwent revision arthroplasty were retrospectively reviewed from 01/2014 to 01/2020. The diagnostic criteria of PJI were mainly based on the definition from the evidence-based definition for periprosthetic joint infection in 2018. The optimal plasma FIB predictive cutoff was 4.20 g/L, the sensitivity of the plasma fibrinogen was 0.860, the specificity was 0.900, the positive predictive value (PPV) was 0.831, and the negative predictive value (NPV) was 0.908. The area under the curve (AUC) value of plasma fibrinogen was 0.916 (95% CI 0.869-0.964), and the CRP, ESR and WBC levels had AUCs of 0.901, 0.822 and 0.647, respectively. Plasma FIB demonstrated better diagnostic strength compared with that of other serum biomarkers before revision arthroplasty. It represents a new horizon for the diagnosis of PJI due to the diagnosis values and cost-effective features.
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