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Xie C, Pan W, Wang S, Yan X, Luo H. Systematic review and meta-analysis of single-stage versus two-stage revision for periprosthetic joint infection after knee arthroplasty: a call for a randomised trial. EFORT Open Rev 2024; 9:479-487. [PMID: 38828985 PMCID: PMC11195333 DOI: 10.1530/eor-23-0147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/05/2024] Open
Abstract
Purpose Knee arthroplasty is an effective treatment for severe knee degeneration; however, periprosthetic joint infection (PJI) is one of its serious complications. Single- and two-stage revision are common treatments, but few studies have compared single- and two-stage revision for PJI after knee arthroplasty. This study aimed to compare the reinfection and reoperation rates of single- and two-stage revision through meta-analysis. Methods The review process was conducted according to the PRISMA guidelines. We searched the PubMed, Medline, Embase and Cochrane Central Register of Controlled Trials databases for trials comparing single- and two-stage revision for PJI after knee arthroplasty from the respective inception dates to April 2023. Two researchers individually screened the studies, performed the literature quality evaluation and data extraction and used Stata 17 software for data analysis. Results The meta-analysis showed that the reinfection rate was significantly lower in the single-stage revision group than in the two-stage revision group. While the reoperation rates demonstrated no statistically significant difference between the two groups. We presented descriptive results because the discrepancies in the knee function scores and data reported in the studies meant that these data could not be combined in the meta-analysis. Conclusion Based on the available research, single-stage revision is a reliable option for PJI after knee arthroplasty. However, when developing the best treatment strategy, it is still necessary to consider the individual circumstances and needs of the patient, as well as the risks of postoperative rehabilitation and complications.
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Affiliation(s)
- Chengxin Xie
- Department of Orthopedics, Taizhou Hospital of Zhejiang Province affiliated to Wenzhou Medical University, Taizhou, Zhejiang, China
| | - Wenjun Pan
- Department of Orthopedics, Taizhou Hospital of Zhejiang Province affiliated to Wenzhou Medical University, Taizhou, Zhejiang, China
| | - Shouli Wang
- Department of Orthopedics, Taizhou Hospital of Zhejiang Province affiliated to Wenzhou Medical University, Taizhou, Zhejiang, China
| | - Xueli Yan
- Department of Orthopedics, Taizhou Hospital of Zhejiang Province affiliated to Wenzhou Medical University, Taizhou, Zhejiang, China
| | - Hua Luo
- Department of Orthopedics, Taizhou Hospital of Zhejiang Province affiliated to Wenzhou Medical University, Taizhou, Zhejiang, China
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Zhao Y, Fan S, Wang Z, Yan X, Luo H. Systematic review and meta-analysis of single-stage vs two-stage revision for periprosthetic joint infection: a call for a prospective randomized trial. BMC Musculoskelet Disord 2024; 25:153. [PMID: 38373976 PMCID: PMC10875807 DOI: 10.1186/s12891-024-07229-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Accepted: 01/24/2024] [Indexed: 02/21/2024] Open
Abstract
BACKGROUND Periprosthetic joint infection (PJI) is a severe complication of joint arthroplasty that causes significant pain and economic loss. This study aimed to determine whether the current evidence supports single-stage revision for PJI based on reinfection and reoperation rates. METHODS We searched the PubMed, EBSCO, Medline, and Cochrane Library databases from inception to 30 May 2023 to identify studies that compared single-stage revision and two-stage revision for PJI. Data on reinfection and reoperation rates were pooled. RESULTS This meta-analysis included a total of 40 studies with 8711 patients. Overall, there was no significant difference between single- and two-stage revision regarding the postoperative reinfection rate and reoperation rate. Subgroup analysis by surgery period and different surgical sites revealed no difference between the two groups in the reinfection and reoperation rates. CONCLUSIONS Based on the available evidence, our study did not identify a significant difference in reinfection and reoperation rates between single- and two-stage revision for PJI. Given the limitations in inclusion/exclusion criteria and the observed heterogeneity, we acknowledge the complexity of drawing strong conclusions. Therefore, we suggest that the choice between single- and two-stage revision should be carefully considered on an individual basis, taking into account patient-specific factors and further research developments.
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Affiliation(s)
- Yong Zhao
- Department of Orthopedics, Shanghai Fengxian District Central Hospital, Shanghai, 201400, China
| | - Shaohua Fan
- Department of Orthopedics, Taizhou Hospital of Zhejiang Province affiliated to Wenzhou Medical University, Taizhou, 317000, Zhejiang, China
| | - Zhangfu Wang
- Department of Orthopedics, Taizhou Hospital of Zhejiang Province affiliated to Wenzhou Medical University, Taizhou, 317000, Zhejiang, China
| | - Xueli Yan
- Department of Orthopedics, Taizhou Hospital of Zhejiang Province affiliated to Wenzhou Medical University, Taizhou, 317000, Zhejiang, China
| | - Hua Luo
- Department of Orthopedics, Taizhou Hospital of Zhejiang Province affiliated to Wenzhou Medical University, Taizhou, 317000, Zhejiang, China.
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Morco SR, Williams DL, Jensen BD, Bowden AE. Structural biofilm resistance of carbon-infiltrated carbon nanotube coatings. J Orthop Res 2022; 40:1953-1960. [PMID: 34727381 DOI: 10.1002/jor.25206] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 10/09/2021] [Accepted: 10/23/2021] [Indexed: 02/04/2023]
Abstract
Periprosthetic joint infection (PJI) is a devastating complication of orthopedic implant surgeries, such as total knee and hip arthroplasties. Treatment requires additional surgeries because antibiotics have limited efficacy due to biofilm formation and resistant bacterial strains such as methicillin-resistant Staphylococcus aureus (MRSA). A non-pharmaceutical approach is needed, and examples of this are found in nature; dragonfly and cicada wings are antibacterial because of their nanopillar surface structure rather than their chemistry. Carbon-infiltrated carbon nanotube (CICNT) surfaces exhibit a similar nanopillar structure, and have been shown to facilitate osseointegration, and it is postulated that they might provide a structurally-derived resistance to bacterial proliferation and biofilm formation. The objective of this study was to test the biofilm resistance of CICNT coatings. Two types of CICNT were produced: a vertically aligned CNT forest on a silicon substrate using a layer of iron as the catalyst (CICNT-Si) and a random-oriented CNT forest on stainless steel (SS) substrate using the substrate as the catalyst (CICNT-SS). These were tested against SS and carbon controls. After 48 h in an MRSA biofilm reactor, samples demonstrated that both types of CICNT coatings significantly (p < 0.0001) reduced MRSA biofilm formation by 60%-80%. Morphologically, biofilm presence on both types of CICNT was also significantly reduced. Clinical Significance: Results suggest that a CICNT surface modification could be suitable and advantageous for medical devices susceptible to MRSA cell attachment and biofilm proliferation, particularly orthopedic implants.
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Affiliation(s)
- Stephanie R Morco
- Department of Mechanical Engineering, Brigham Young University, Provo, Utah, USA
| | - Dustin L Williams
- Department of Orthopaedics, University of Utah, Salt Lake City, Utah, USA
| | - Brian D Jensen
- Department of Mechanical Engineering, Brigham Young University, Provo, Utah, USA
| | - Anton E Bowden
- Department of Mechanical Engineering, Brigham Young University, Provo, Utah, USA
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Hersh A, Young R, Pennington Z, Ehresman J, Ding A, Kopparapu S, Cottrill E, Sciubba DM, Theodore N. Removal of instrumentation for postoperative spine infection: systematic review. J Neurosurg Spine 2021:1-13. [PMID: 34243152 DOI: 10.3171/2020.12.spine201300] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Accepted: 12/14/2020] [Indexed: 11/06/2022]
Abstract
OBJECTIVE Currently, no consensus exists as to whether patients who develop infection of the surgical site after undergoing instrumented fusion should have their implants removed at the time of wound debridement. Instrumentation removal may eliminate a potential infection nidus, but removal may also destabilize the patient's spine. The authors sought to summarize the existing evidence by systematically reviewing published studies that compare outcomes between patients undergoing wound washout and instrumentation removal with outcomes of patients undergoing wound washout alone. The primary objectives were to determine 1) whether instrumentation removal from an infected wound facilitates infection clearance and lowers morbidity, and 2) whether the chronicity of the underlying infection affects the decision to remove instrumentation. METHODS PRISMA guidelines were used to review the PubMed/MEDLINE, Embase, Cochrane Library, Scopus, Web of Science, and ClinicalTrials.gov databases to identify studies that compared patients with implants removed and patients with implants retained. Outcomes of interest included mortality, rate of repeat wound washout, and loss of correction. RESULTS Fifteen articles were included. Of 878 patients examined in these studies, 292 (33%) had instrumentation removed. Patient populations were highly heterogeneous, and outcome data were limited. Available data suggested that rates of reoperation, pseudarthrosis, and death were higher in patients who underwent instrumentation removal at the time of initial washout. Three studies recommended that instrumentation be uniformly removed at the time of wound washout. Five studies favored retaining the original instrumentation. Six studies favored retention in early infections but removal in late infections. CONCLUSIONS The data on this topic remain heterogeneous and low in quality. Retention may be preferred in the setting of early infection, when the risk of underlying spine instability is still high and the risk of mature biofilm formation on the implants is low. However, late infections likely favor instrumentation removal. Higher-quality evidence from large, multicenter, prospective studies is needed to reach generalizable conclusions capable of guiding clinical practice.
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Embedded sensing package for temporary bone cement spacers in infected total knee arthroplasty. J Mech Behav Biomed Mater 2021; 115:104301. [PMID: 33401065 DOI: 10.1016/j.jmbbm.2020.104301] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 12/16/2020] [Accepted: 12/25/2020] [Indexed: 12/17/2022]
Abstract
The re-infection rate of total knee arthroplasty (TKA) after two stage revision (15%) remains high as it can be challenging to determine whether the infection has been fully cleared between the first and second stage procedures. Temporary embedded sensor systems could be a potential solution to indicate whether the infection has been cleared. In this study a telemetric sensor system to integrate with a bone cement spacer and measure knee joint temperature was designed and evaluated. The sensor package precision, accuracy, hysteresis, and thermal equilibrium were empirically determined. Cadaveric testing was performed with the sensor package implanted inside the femoral notch alongside a pre-formed femoral and tibial bone cement spacer. The limb was tested though 30,000 cycles at 0.5 Hz under a 500 N load. Accuracy and precision of the sensing package were found to be ±0.24 °C and 0.09 °C respectively with negligible hysteresis. Thermal insulation caused by the implant itself was found to produce a thermal time constant of 263 ± 5 s, resulting in a 17 min rise time. Memory capacity enabled data logging every 20 s for a 6 week period before necessitating data transfer. Bluetooth was suitable for data transmission while the package was implanted. Following cyclic loading of the cadaveric specimen, imaging and debridement revealed no issues related to mechanical integrity of the bone cement spacer or encapsulated sensor package. While additional validation is required before use in patients, the concept of temporary embedded sensing technology to aid management of infection treatments is promising.
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Aspirin administration might accelerate the subsidence of periprosthetic joint infection. Sci Rep 2020; 10:15967. [PMID: 32994449 PMCID: PMC7524723 DOI: 10.1038/s41598-020-72731-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2020] [Accepted: 09/02/2020] [Indexed: 01/22/2023] Open
Abstract
Since the past decade, aspirin, a popular anti-inflammatory drug, has been increasingly studied for its potential antimicrobial and antibiofilm activity with promising results, but studies were limited to in vitro and in vivo investigations. Moreover, evidence concerning the beneficial effects of aspirin on the treatment of biofilm-related infections in real-world population is limited. Thus, this study aimed to investigate whether aspirin could promote infection control for patients with periprosthetic joint infections (PJIs). A single-center database was searched. Regular aspirin exposure was defined as a prescription of aspirin for > 6 months before diagnosis of PJIs and consecutive use during the PJI treatment course at a dose ≧ 100 mg/day. General data, treatment modalities, and recurrence status were collected from medical records by an independent orthopedic surgeon. From January 01, 2010, to February 17, 2019, 88 patients who met the PJI criteria were identified and included in this study. Of these patients, 12 were taking aspirin regularly during the infectious events. In the Cox proportional hazards model, multivariate analysis revealed that the aspirin group demonstrated significant benefit via superior resolution of PJIs (HR 2.200; 95% CI 1.018-4.757; p = 0.045). In this study, aspirin is beneficial for infection resolution when combined with the current standard of PJI treatment and conventional antibiotics in the management of PJIs.
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Peng HM, Wang LC, Cheng JY, Zhou YX, Tian H, Lin JH, Guo WS, Lin Y, Qu TB, Guo A, Cao YP, Weng XS. Rates of periprosthetic infection and surgical revision in Beijing (China) between 2014 and 2016: a retrospective multicenter cross-sectional study. J Orthop Surg Res 2019; 14:463. [PMID: 31878949 PMCID: PMC6933879 DOI: 10.1186/s13018-019-1520-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Accepted: 12/17/2019] [Indexed: 01/22/2023] Open
Abstract
Background Periprosthetic joint infection (PJI) is a rare but devastating complication after total joint arthroplasty. There is a paucity of data on the incidence and prevalence of periprosthetic infection in mainland China. This study aimed to analyze the rates of surgical revision after arthroplasty due to PJI and the procedures followed in Beijing, China. Methods The study involved a retrospective multicenter cross-sectional survey of patients undergoing revisions for periprosthetic infection after hip/knee arthroplasty at nine hospitals in Beijing from 2014 to 2016. Age, gender, body mass index, primary diagnosis, comorbidity, primary surgery, treatment methods, and post-revision complications were analyzed. Results A total of 38,319 hip/knee arthroplasties and 366 (0.96%) revisions for PJI were identified. Of these, 161 (161/14,110; 1.14%) revisions involved hip arthroplasty, whereas 205 (205/24,209; 0.85%) revisions were due to knee arthroplasty. Procedures for revisions of infected hip included 7 (4.3%) cases of open debridement and prosthesis retention, 32 (19.9%) cases of one-stage exchange, 121 (75.2%) cases of two-stage exchange, and 1 (0.007%) case of hip dissection. As for the infected knee, the procedures included 45 (22.0%) cases of open debridement and prosthesis retention, 13 (6.3%) cases of one-stage exchange, 143 (69.8%) cases of two-stage exchange, and 4 (0.02%) cases of knee fusion. Conclusions The study found the rates of revision due to PJI to be low. Nonetheless, the incidence of PJI in mainland China could be higher and calls for more elaborate studies in geographically and socioeconomically diverse health institutions.
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Affiliation(s)
- Hui-Ming Peng
- Department of Orthopedics, Peking Union Medical College Hospital, CAMS & PUMC, No.1 Shuaifuyuan, Wangfujing, Dongcheng District, Beijing, 100730, China
| | - Long-Chao Wang
- Department of Orthopedics, Peking Union Medical College Hospital, CAMS & PUMC, No.1 Shuaifuyuan, Wangfujing, Dongcheng District, Beijing, 100730, China
| | - Ji-Ying Cheng
- Department of Orthopedics, Chinese PLA General Hospital, Beijing, 100853, China
| | - Yi-Xin Zhou
- Department of Orthopedics, Beijing Jishuitan Hospital, Beijing, 100035, China
| | - Hua Tian
- Department of Orthopedics, Peking University Third Hospital, Beijing, 100083, China
| | - Jian-Hao Lin
- Department of Orthopedics, Peking University People's Hospital, Beijing, 100044, China
| | - Wan-Shou Guo
- Department of Orthopedics, Sino-Japanese Friendship Hospital, Beijing, 100029, China
| | - Yuan Lin
- Department of Orthopedics, Beijing Chaoyang Hospital, Capital Medical University, Beijing, 100020, China
| | - Tie-Bing Qu
- Department of Orthopedics, China Rehabilitation Research Center Beijing Boai Hospital, Beijing, 100068, China
| | - Ai Guo
- Department of Orthopedics, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, China
| | - Yong-Ping Cao
- Department of Orthopedics, Peking University First Hospital, Beijing, 100034, China
| | - Xi-Sheng Weng
- Department of Orthopedics, Peking Union Medical College Hospital, CAMS & PUMC, No.1 Shuaifuyuan, Wangfujing, Dongcheng District, Beijing, 100730, China.
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Qu GX, Zhang CH, Yan SG, Cai XZ. Debridement, antibiotics, and implant retention for periprosthetic knee infections: a pooling analysis of 1266 cases. J Orthop Surg Res 2019; 14:358. [PMID: 31718644 PMCID: PMC6852904 DOI: 10.1186/s13018-019-1378-4] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Accepted: 09/13/2019] [Indexed: 01/10/2023] Open
Abstract
Background The debridement, antibiotics, and implant retention (DAIR) procedure is an established therapeutic option for periprosthetic knee infections (PKI). However, the efficacy and the indication for this procedure are still controversial. Methods All the relevant literatures were systematically reviewed and analyzed. The present study aimed to assess the success rate of DAIR in the management of PKI, identify the factors associated with prognosis of DAIR, and establish a simple algorithm for predicting a high success rate of DAIR. Results Totally, 33 studies with 1266 cases were included. The overall success rate following DAIR in the management of PKI was 57.11%. In the subgroup analyses, the factors of “the time from symptoms to debridement was < 3 weeks” and “the bacterial species other than methicillin-resistant Staphylococcus aureus” significantly improved the success rate of DAIR and thus were defined as the major criteria. The statistically insignificant factors of “the open debridement and liner exchange” and “the comorbidity of rheumatoid arthritis” were set as the minor criteria. The success rate of DAIR for PKI meeting all the major criteria and no less than one minor criterion was 80.98%, which was significantly higher than the overall success rate of DAIR (p < 0.05). Conclusion PKI cases meeting two major criteria and no less than one minor criterion may confer a high success rate of DAIR. This simple algorithm may contribute to identifying the appropriate PKI patient for DAIR treatment and predicting the prognosis of DAIR.
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Affiliation(s)
- Guo-Xin Qu
- Department of Orthopaedic Surgery, Second Affiliated Hospital of Zhejiang University School of Medicine, Jiefang Road 88, Hangzhou, 310009, China.,The affiliated Cancer Hospital of Zhengzhou University, Dongming Road 127, Zhengzhou, China
| | - Cai-Hua Zhang
- Department of Orthopaedic Surgery, Second Affiliated Hospital of Zhejiang University School of Medicine, Jiefang Road 88, Hangzhou, 310009, China.,Orthopaedic Research Laboratory, Zhejiang University, Jiefang Road 88, Hangzhou, China
| | - Shi-Gui Yan
- Department of Orthopaedic Surgery, Second Affiliated Hospital of Zhejiang University School of Medicine, Jiefang Road 88, Hangzhou, 310009, China.,Orthopaedic Research Laboratory, Zhejiang University, Jiefang Road 88, Hangzhou, China
| | - Xun-Zi Cai
- Department of Orthopaedic Surgery, Second Affiliated Hospital of Zhejiang University School of Medicine, Jiefang Road 88, Hangzhou, 310009, China. .,Orthopaedic Research Laboratory, Zhejiang University, Jiefang Road 88, Hangzhou, China.
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Yaghmour KM, Chisari E, Khan WS. Single-Stage Revision Surgery in Infected Total Knee Arthroplasty: A PRISMA Systematic Review. J Clin Med 2019; 8:E174. [PMID: 30717420 PMCID: PMC6406500 DOI: 10.3390/jcm8020174] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2018] [Revised: 01/23/2019] [Accepted: 01/29/2019] [Indexed: 02/06/2023] Open
Abstract
Periprosthetic joint infection in total knee arthroplasty is a significant complication that is a common reason for revision surgery. The current standard of care is two-stage revision surgery. There is however increasing evidence to support the use of single-stage revision surgery. We conducted a PRISMA systematic review of the current evidence on the use of single-stage revision for infected total knee arthroplasty. Four databases (PubMed, Embase, Science Direct, and Cochrane Library) were systematically screened for eligible studies. The risk bias of each study was identified using ROBINS-I tool, and the quality of evidence was assessed using the GRADE criteria. Sixteen articles were retained after applying the inclusion and exclusion criteria that evaluated 3645 knee single-stage revision surgeries. Our review reveals satisfactory outcomes for single-stage revision in the management of infected total knee arthroplasty. The reinfection rates in the studies included in our review varied however the majority reported low reinfection rates and good functional outcomes. Although strict patient selection criteria have yielded successful results, good results were also reported when these criteria were not applied. The greater use of risk factors in identifying patients likely to have a successful outcome needs to be balanced with the practical benefits of performing a single stage procedure in higher risk patients. Future large clinical randomized control trials are required to confirm our results.
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Affiliation(s)
- Khaled M Yaghmour
- Division of Trauma & Orthopaedic Surgery, University of Cambridge, Addenbrooke's Hospital, Cambridge CB2 0QQ, UK.
| | - Emanuele Chisari
- Division of Trauma & Orthopaedic Surgery, University of Cambridge, Addenbrooke's Hospital, Cambridge CB2 0QQ, UK.
- Department of General Surgery and Medical Surgical Specialties, Section of Orthopaedics and Traumatology, University Hospital Policlinico, University of Catania, 95123 Catania, Italy.
| | - Wasim S Khan
- Division of Trauma & Orthopaedic Surgery, University of Cambridge, Addenbrooke's Hospital, Cambridge CB2 0QQ, UK.
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Significant increase of pathogen detection rate by dry arthroscopic biopsies at suspected low-grade infection following total knee arthroplasty: a prospective observational study. Arch Orthop Trauma Surg 2018; 138:1583-1590. [PMID: 30182141 DOI: 10.1007/s00402-018-3032-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Indexed: 12/12/2022]
Abstract
INTRODUCTION The differentiation between stiff-knee and low-grade periprosthetic joint infection (PJI) is the current diagnostic challenge in total knee (TKA) revision arthroplasty. The aim of this study was to investigate the additional value of dry biopsies, compared to wet biopsies, in patients presenting with knee stiffness following primary TKA. MATERIALS AND METHODS Single center, prospective observational study. Consecutive patients with joint stiffness of unknown origin following primary TKA were enrolled. Patient assessment followed the diagnostic standard algorithm. During diagnostic arthroscopy, synovial fluid (synovial WBC, PMN%) and five dry biopsies (dry) were collected. Then fluid was infused and another five microbiology (wet) and five histological biopsies gathered, all from identical locations. The primary outcome parameter was the difference between the pathogens in wet and dry biopsies. RESULTS 71 patients (61% females, 67 ± 10 years) were eligible. Preoperative blood serology mean CRP (0.7 ± 1.5 mg/dl; p = 0.852), WBC (6.6 ± 1.7 G/l; p = 0.056), and synovial fluid mean WBC (1639 ± 2111; p = 0.602), PMN% (38 ± 28; p = 0.738) did not differ between patients with negative, positive wet or dry biopsies. The histology was in 11% positive (p = 0.058). In 32% at least one pathogen was detected, 48% from wet, 44% from dry biopsies. An inhomogeneous distribution was found. Cutibacterium acnes (100%) was solely found in wet, Micrococcus luteus (75%), Staphylococcus capitis (67%), and Micrococcus lylae (100%) were predominantly found in dry biopsies. Additional dry biopsies increased the pathogen detection rate by 49%. CONCLUSION The addition of dry biopsies to the current standard diagnostic algorithm for PJI increased the pathogen detection rate by 49%.
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Horriat S, Ayyad S, Thakrar RR, Haddad FS. Debridement, antibiotics and implant retention in management of infected total knee arthroplasty: A systematic review. ACTA ACUST UNITED AC 2018. [DOI: 10.1053/j.sart.2019.01.012] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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Lu J, Han J, Zhang C, Yang Y, Yao Z. Infection after total knee arthroplasty and its gold standard surgical treatment: Spacers used in two-stage revision arthroplasty. Intractable Rare Dis Res 2017; 6:256-261. [PMID: 29259853 PMCID: PMC5735278 DOI: 10.5582/irdr.2017.01049] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Revised: 09/25/2017] [Accepted: 09/28/2017] [Indexed: 12/14/2022] Open
Abstract
Periprosthetic joint infection (PJI) is one of the most devastating postoperative complications of total knee arthroplasty (TKA). Treatment varies depending on the type of infection, but two-stage revision arthroplasty using an antibiotic spacer is considered to be the gold standard of treatment. Several types of spacers are available at the moment, each with different benefits and indications, and these spacers may be improved in the future. The primary goals of selecting a given spacer are to locally deliver antibiotics and to preserve soft tissue. Use of an appropriate spacer subsequently decreases the difficulty of the second revision, the operating time, and ultimately the risk of postoperative complications.
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Affiliation(s)
- Junren Lu
- Orthopedic Surgery, Zhongshan Hospital affiliated with Fudan University, Shanghai, China
| | - Jing Han
- Orthopedic Surgery, Zhongshan Hospital affiliated with Fudan University, Shanghai, China
| | - Chi Zhang
- Orthopedic Surgery, Zhongshan Hospital affiliated with Fudan University, Shanghai, China
| | - Yi Yang
- Orthopedic Surgery, Zhongshan Hospital affiliated with Fudan University, Shanghai, China
| | - Zhenjun Yao
- Orthopedic Surgery, Zhongshan Hospital affiliated with Fudan University, Shanghai, China
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Sabatini L, Risitano S, Rissolio L, Bonani A, Atzori F, Massè A. Condylar constrained system in primary total knee replacement: our experience and literature review. ANNALS OF TRANSLATIONAL MEDICINE 2017; 5:135. [PMID: 28462215 DOI: 10.21037/atm.2017.03.29] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
BACKGROUND Constrained condylar knee (CCK) prosthesis are common used for revision surgery but can also help surgeons to improve implant stability in primary knee arthroplasty, in fact in severe knee arthrosis with serious deformity associated with a significant instability a more constrained articulation is required. With introduction of second generation of semi-constrained prosthesis, rate of complication is real decreased and a good survival rate and functional score results is showed. In this paper we write about our experience using CCK in primary knee arthroplasty. METHODS Between January 2012 and December 2015, 28 second-generation semi-constrained knee arthroplasties were performed as a first implant. Two different types of implants were used: 10 constrained condylar knee (CCK Zimmer) and 18 TC3 (DePuy Johnson & Johnson). All patients were over 75 years old (mean 81.75) with a severe deformity and clinical evaluations at 2-, 6-, 12-month after surgery and every year performed. X-rays at 6, 12 months and then annually was planned with an average follow-up of 31.28 (range 6-48) months. RESULTS No patients were lost during the follow-up. The mean functional knee society score (KSS) improved from 30 points preoperatively to 92.1 points at the last follow-up. All patients recovered full extension during follow-up and no radiolucent lines were showed at X-ray control. There were no deep infections or peri-prosthetic fractures. CONCLUSIONS Second generation semi-constrained knee prosthesis represent safe and practical treatment in primary total knee arthroplasty (TKA) in case of severe deformity that can't be managed with accurate soft tissue release, especially in elderly patients.
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Affiliation(s)
- Luigi Sabatini
- Orthopedics and Traumatology Department, University of Study of Turin, Turin, Italy
| | - Salvatore Risitano
- Orthopedics and Traumatology Department, University of Study of Turin, Turin, Italy
| | - Lorenzo Rissolio
- Orthopedics and Traumatology Department, University of Study of Turin, Turin, Italy
| | - Andrea Bonani
- Orthopedics and Traumatology Department, University of Study of Turin, Turin, Italy
| | | | - Alessandro Massè
- Orthopedics and Traumatology Department, University of Study of Turin, Turin, Italy
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