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Huguet S, Bernaus M, Gómez L, Cuchí E, Soriano A, Font-Vizcarra L. Role of bacterial colonisation of vancomycin-gentamicin spacers in two-stage arthroplasty revision surgery: the usefulness of spacer sonication. EUROPEAN JOURNAL OF ORTHOPAEDIC SURGERY AND TRAUMATOLOGY 2021; 32:1661-1669. [PMID: 34677662 DOI: 10.1007/s00590-021-03151-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Accepted: 10/11/2021] [Indexed: 11/27/2022]
Abstract
PURPOSE In two-stage replacements for septic loosening, some studies have suggested an association between bacterial colonisation of spacers and a higher number of complications after implantation of the definitive prosthesis. Our study aimed to determine the reoperation rate of patients undergoing two-stage revision surgery according to the culture results of spacer sonication. METHODS A retrospective observational study was conducted in which hip or knee spacers implanted at our institution with a diagnosis of periprosthetic joint infection from 2010 to 2018 were analysed. Patients were grouped into three categories: A. Patients with positive spacer sonication fluid culture, with or without positive cultures of the rest of the samples. B. Patients with negative spacer sonication culture and negative cultures of the rest of intraoperative samples. C. Patients with negative spacer sonication culture but positive cultures of the rest of intraoperative samples. RESULTS A total of 45 spacers were analysed: 10 were included in group A, 24 in group B and 11 in group C. The reoperation rate during the first year after the 2-stage revision surgery was 20%, 29.2% and 54.5% for each group, respectively, due to an infection in 10%, 20.8% and 45.5%. Spacers were colonised in all cases by low virulent micro-organisms. CONCLUSION In our study, bacterial colonisation of the spacer is not associated with a higher rate of reoperation. The group of patients with positive intraoperative cultures during the second-stage had the highest reoperation rate.
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Affiliation(s)
- Sandra Huguet
- Department of Traumatology and Orthopaedics, Hospital Universitari Mútua Terrassa, Barcelona, Spain.
- Department of Traumatology and Orthopaedics, Consorci Sanitari de l'Alt Penedès - Garraf, Barcelona, Spain.
| | - Martí Bernaus
- Department of Traumatology and Orthopaedics, Hospital Universitari Mútua Terrassa, Barcelona, Spain
- Osteoarticular Infections Unit, Hospital Universitari Mútua Terrassa, Barcelona, Spain
| | - Lucía Gómez
- Osteoarticular Infections Unit, Hospital Universitari Mútua Terrassa, Barcelona, Spain
- Infectious Diseases Unit, Hospital Universitari Mútua Terrassa, Barcelona, Spain
| | - Eva Cuchí
- Osteoarticular Infections Unit, Hospital Universitari Mútua Terrassa, Barcelona, Spain
- Department of Microbiology, CATLAB, Viladecavalls, Barcelona, Spain
| | - Alex Soriano
- Department of Infectious Diseases - Osteoarticular Infections Unit, Hospital Clínic, Barcelona, Spain
| | - Lluís Font-Vizcarra
- Department of Traumatology and Orthopaedics, Hospital Universitari Mútua Terrassa, Barcelona, Spain
- Osteoarticular Infections Unit, Hospital Universitari Mútua Terrassa, Barcelona, Spain
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Zhang Q, Ding B, Wu J, Dong J, Liu F. Sonication fluid culture of antibiotic-loaded bone cement spacer has high accuracy to confirm eradication of infection before reimplantation of new prostheses. J Orthop Surg Res 2021; 16:377. [PMID: 34120643 PMCID: PMC8199841 DOI: 10.1186/s13018-021-02520-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Accepted: 06/02/2021] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Sonication fluid culture of antibiotic-loaded bone cement spacer has been used to predict reinfection of two-stage revision, but its value remains disputable. This study aims to evaluate the association between the culture result of the sonicated spacer and the status of patients with periprosthetic joint infection receiving two-stage revision. MATERIALS AND METHODS A comprehensive electronic literature search was performed through four databases including PubMed, Embase/Ovid, and EBSCO, and the Cochrane Library to retrieve studies in which sonication fluid culture of the antibiotic spacer was conducted before reimplantation. The pooled sensitivity, specificity, positive likelihood ratio (PLR), negative likelihood ratio (NLR), and diagnostic odds ratio (DOR) were calculated to assess the association between the culture result of sonicated spacer and prognosis of the two-stage revision. RESULTS Eleven eligible studies comprising 603 artificial joints with PJI (134 suffering a clinical failure of two-stage revision) were included in the quantitative analysis. The pooled incidences of positive culture of sonicated spacer and intraoperative tissue were 0.14 (95% confidence interval [CI] 0.08-0.21) and 0.14 (95% CI 0.08-0.20), respectively. A positive culture of sonicated antibiotic-loaded bone cement spacer illustrated moderate sensitivity (0.31, 95% CI 0.13-0.58) but high specificity (0.94, 95% CI 0.86-0.98) for the diagnosis of therapeutic failure of two-stage revision; the pooled DOR was 7.67 (95% CI, 3.63-16.22). Meanwhile, the pooled sensitivity, specificity, and DOR of intraoperative tissue culture during the two-stage revision to predict therapeutic failure were 0.32 (95% CI, 0.20-0.47), 0.96 (95% CI, 0.92-0.98), and 10.62 (95% CI, 4.90-23.01), respectively. CONCLUSIONS Sonication fluid culture of antibiotic-loaded bone cement spacer revealed high accuracy for confirming eradication of infection before reimplantation of new prostheses and therefore could be used as a supplement for assessing therapeutic effect for PJI. However, both sonication fluid culture and intraoperative tissue culture from antibiotic-loaded bone cement spacer showed restricted yield for the prediction of a septic failure after the two-stage revision of PJI. Large-scale, prospective studies are still needed to testify current findings.
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Affiliation(s)
- Qingyu Zhang
- Department of Orthopedics, Shandong Provincial Hospital affiliated to Shandong First Medical University, No.324, Road Jing Wu Wei Qi, Jinan, 250021, Shandong, China
| | - Baocong Ding
- Rehabilitation Department, Shandong University of Traditional Chinese Medicine Affiliated Hospital, No.16369, Road Jing Shi, Jinan, 250014, Shandong, China
| | - Jinglin Wu
- Basic Course Department, Weihai Vocational College, New Sci-Tech Park of Beihai, Weihai, 264200, Shandong, China
| | - Jun Dong
- Department of Orthopedics, Shandong Provincial Hospital affiliated to Shandong First Medical University, No.324, Road Jing Wu Wei Qi, Jinan, 250021, Shandong, China
| | - Fanxiao Liu
- Department of Orthopedics, Shandong Provincial Hospital affiliated to Shandong First Medical University, No.324, Road Jing Wu Wei Qi, Jinan, 250021, Shandong, China.
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First evaluation of the automated-multiplex-PCR Unyvero ITI G2 cartridge for rapid diagnosis of osteo-articular infections. Infect Dis Now 2020; 51:179-186. [PMID: 33010353 DOI: 10.1016/j.medmal.2020.09.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Revised: 01/28/2020] [Accepted: 09/24/2020] [Indexed: 11/21/2022]
Abstract
OBJECTIVE Conventional microbiological methods (CMM), including long-term culture, for the diagnosis of osteo-articular infections (OAI) fail in at least 5% of all cases. Only one IOA dedicated molecular method has been commercialized, and only the first version of this kit has been studied. The aim of this work was to evaluate the concordance between test results obtained with the second version of the Unyvero ITI G2 cartridge (Curetis) and CMM. The cartridge, combining one-step automated lysis/DNA extraction with multiplex PCR and amplicon detection by array hybridization, allows for the detection of 102 prevalent pathogens and their antibiotic resistance markers directly in clinical specimens (liquid [n=8] or solid [n=32]). MATERIAL AND METHODS Frozen samples from 40 patients who underwent orthopedic surgery at Pitié-Salpêtrière hospital were tested retrospectively with the cartridge: 5 were culture-negative, 25 revealed monomicrobial and 10 polymicrobial OAI. The 2 main surgical sites were hip (22.5%) and knee (17.5%). RESULTS Extraction, amplification and hybridization reactions were completed in 28 of the 40 cases, failed in all cartridge chambers in 6 cases, and in 1 or 2 chambers in an additional 6 cases. Overall sensitivity and specificity for microorganism identification were estimated at 67.6% and 98.2%, when complete and partial failures were excluded. CONCLUSIONS These results show that the performances of the second version of the Unyvero ITI G2 cartridge should be further enhanced before considering avoiding conventional microbiological methods.
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Wouthuyzen-Bakker M, Kheir MM, Moya I, Rondon AJ, Kheir M, Lozano L, Parvizi J, Soriano A. Failure After 2-Stage Exchange Arthroplasty for Treatment of Periprosthetic Joint Infection: The Role of Antibiotics in the Cement Spacer. Clin Infect Dis 2020; 68:2087-2093. [PMID: 30281077 DOI: 10.1093/cid/ciy851] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2018] [Accepted: 09/28/2018] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND Failure after a 2-stage exchange surgery for periprosthetic joint infection (PJI) is high. Previous studies demonstrated that positive cultures at reimplantation are associated with failure afterward. The aim of this multicenter study was to define the role of antibiotics in the cement spacer in relation to reimplantation cultures and subsequent failure. METHODS We retrospectively evaluated 2-stage exchange procedures between 2000 and 2015. Culture-negative PJIs, cases in which no cultures were obtained during reimplantation, and cases without data on cement spacers were excluded. RESULTS Three hundred forty-four cases were included. The rate of positive cultures during reimplantation was 9.5% for cement spacers containing a glycopeptide (27/284) (with or without an aminoglycoside) vs 21.7% for those containing monotherapy with an aminoglycoside (13/60) (P = .008), and was mostly attributed by a reduction in coagulase-negative staphylococci (CoNS) (17% vs 2%, P < .001). The failure rate was >2-fold higher at 40.0% (16/40) in cases with positive cultures at reimplantation compared to 15.8% (48/304) for those with negative cultures (P < .001). Overall, a glycopeptide in the cement spacer was not associated with a lower failure rate (18% vs 23%, P = .3), but was associated with lower failure due to CoNS (2.5% vs 13.3%, P < .001). CONCLUSIONS In a 2-stage exchange procedure for PJI, adding a glycopeptide to the cement spacer reduces the rate of positive cultures during reimplantation and is associated with a lower failure rate due to CoNS afterward.
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Affiliation(s)
- Marjan Wouthuyzen-Bakker
- Department of Medical Microbiology and Infection Prevention, University of Groningen, University Medical Center Groningen, The Netherlands
| | - Michael M Kheir
- Department of Orthopaedic Surgery, Rothman Institute at Thomas Jefferson University Hospital, Philadelphia, Pennsylvania
| | - Ignacio Moya
- Department of Orthopaedic Surgery, Hospital Clínic, University of Barcelona, Spain
| | - Alexander J Rondon
- Department of Orthopaedic Surgery, Rothman Institute at Thomas Jefferson University Hospital, Philadelphia, Pennsylvania
| | - Matthew Kheir
- Department of Orthopaedic Surgery, Rothman Institute at Thomas Jefferson University Hospital, Philadelphia, Pennsylvania
| | - Luis Lozano
- Department of Orthopaedic Surgery, Hospital Clínic, University of Barcelona, Spain
| | - Javad Parvizi
- Department of Orthopaedic Surgery, Rothman Institute at Thomas Jefferson University Hospital, Philadelphia, Pennsylvania
| | - Alex Soriano
- Service of Infectious Diseases, Hospital Clínic, University of Barcelona, Spain
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Corró S, Vicente M, Rodríguez-Pardo D, Pigrau C, Lung M, Corona PS. Vancomycin-Gentamicin Prefabricated Spacers in 2-Stage Revision Arthroplasty for Chronic Hip and Knee Periprosthetic Joint Infection: Insights Into Reimplantation Microbiology and Outcomes. J Arthroplasty 2020; 35:247-254. [PMID: 31530462 DOI: 10.1016/j.arth.2019.07.043] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Revised: 06/28/2019] [Accepted: 07/30/2019] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND Second-stage positive cultures in 2-stage revision arthroplasty are a matter of concern, as their influence in outcomes is not clearly defined. We sought to study reimplantation microbiology when using vancomycin-gentamicin prefabricated cement spacers in hip and knee periprosthetic joint infection. The associations of second-stage positive cultures with treatment failures and patient-associated factors were analyzed. METHODS We conducted a retrospective cohort study, examining patients managed with 2-stage revision arthroplasty due to knee or hip chronic periprosthetic joint infection between 2010 and 2017. Prefabricated vancomycin-gentamicin cement spacers were used during the spacer stage. Intraoperative microbiological culture results after the first and second stages were evaluated. The primary end point was infection eradication or relapse. RESULTS A total of 108 cases were included (61 hips and 47 knees). And 22.2% of patients had ≥1 second-stage positive culture, while 9.3% had ≥2 positive samples. Overall success, at an average follow-up of 46.4 months, was 77.8%. Treatment failure was higher among cases with positive cultures (15.5% vs 45.8%, P < .01) regardless of the number of positive samples. Diabetes was identified as a risk factor for second-stage positive cultures (P = .03); use of cement loaded with extra antibiotics for spacer fixation showed a protective effect (P < .01). CONCLUSION Second-stage positive cultures were related to a higher failure rate when using vancomycin-gentamicin cement spacers. Diabetes increased the likelihood of second-stage positive cultures. The use of extra-antibiotic-loaded cement for spacer fixation during the first stage showed a protective effect.
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Affiliation(s)
- Sebastián Corró
- Orthopaedic Surgery Department, Vall d'Hebron University Hospital, Universitat Autonoma de Barcelona, Barcelona, Spain
| | - Matías Vicente
- Orthopaedic Surgery Department, Vall d'Hebron University Hospital, Universitat Autonoma de Barcelona, Barcelona, Spain
| | - Dolors Rodríguez-Pardo
- Infectious Diseases Department, Vall d'Hebron University Hospital, Universitat Autonoma de Barcelona, Barcelona, Spain
| | - Carles Pigrau
- Infectious Diseases Department, Vall d'Hebron University Hospital, Universitat Autonoma de Barcelona, Barcelona, Spain
| | - Mayli Lung
- Microbology Department, Vall d'Hebron University Hospital, Universitat Autonoma de Barcelona, Barcelona, Spain
| | - Pablo S Corona
- Septic and Reconstructive Surgery Unit, Orthopaedic Surgery Department, Vall d'Hebron University Hospital, Universitat Autonoma de Barcelona, Barcelona, Spain
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Sebastian S, Malhotra R, Dhawan B, Sreenivas V, Kapil A, Chaudhry R. Sonication of antibiotic loaded cement spacers: A valuable technique for detection of infection persistence in two-stage revision for infected joint arthroplasty. Indian J Med Microbiol 2019; 37:99-101. [PMID: 31424017 DOI: 10.4103/ijmm.ijmm_18_313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
We evaluated the diagnostic utility of sonication of antibiotic loaded cement spacers comparing with periprosthetic tissue cultures for the detection of persisting infection in 14 patients undergoing staged procedures. Sonication improved microbial detection of intraoperative cultures from 14.2% to 28.5% (P = 0.481). Routine sonication of spacers is recommended.
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Affiliation(s)
- Sujeesh Sebastian
- Department of Microbiology, All Institute of Medical Sciences, New Delhi, India
| | - Rajesh Malhotra
- Department of Orthopaedics, All Institute of Medical Sciences, New Delhi, India
| | - Benu Dhawan
- Department of Microbiology, All Institute of Medical Sciences, New Delhi, India
| | | | - Arti Kapil
- Department of Microbiology, All Institute of Medical Sciences, New Delhi, India
| | - Rama Chaudhry
- Department of Microbiology, All Institute of Medical Sciences, New Delhi, India
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Management of Chronically Infected Total Knee Arthroplasty With Severe Bone Loss Using Static Spacers With Intramedullary Rods. J Arthroplasty 2019; 34:1462-1469. [PMID: 31023514 DOI: 10.1016/j.arth.2019.03.053] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2019] [Revised: 03/06/2019] [Accepted: 03/13/2019] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND Two-stage revision with static antibiotic spacers is the preferred treatment for chronically infected total knee arthroplasty (TKA) associated with severe bone loss. Intramedullary rods to reinforce static spacers have been described. On those, however, bacterial colonization may occur and hamper infection control. This study reports the microbiological findings on the spacer rods and the treatment outcome among these patients. METHODS We reviewed 97 infected TKA with extensive bone loss treated with antibiotic-loaded cement spacers reinforced with intramedullary rods. Mean interim period with the spacer in situ was 9 weeks (range: 6-24 weeks). Intraoperative cultures and sonicated spacer rods were analyzed. Mean follow-up after TKA reimplantation was 41 months (range: 27-56 months). Treatment success was defined using the modified Delphi consensus criteria. RESULTS Twenty-two patients (23%) had treatment failure, including 3 reinfections caused by the same organism, 9 reinfections caused by a different organism, 9 patients required interim spacer exchange, and 1 patient died in the early postoperative course. Sonication cultures of the spacer rods were positive in 2 cases (2%), and none of them failed. Host and limb status was significantly worse in patients who sustained reinfection. At the latest follow-up, all patients had a TKA in place, and 2 patients received chronic antibiotic suppression. CONCLUSION Two-stage revision with the use of intramedullary rods is a safe and efficient treatment for chronically infected TKA with severe bone loss. Most reinfections grew different organisms compared with initial infection. Compromised hosts and extremities may be subjected to chronic antibiotic suppression.
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Gomez-Urena E, Sierra RJ, Greenwood-Quiantance KE, Karau MJ, Steckelberg JM, Patel R. Sonication Culture of Antimicrobial Agent-Containing Cement Spacers Removed during Staged Revisions for Arthroplasty Infection. J Clin Microbiol 2019; 57:e01483-18. [PMID: 30541933 PMCID: PMC6355534 DOI: 10.1128/jcm.01483-18] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2018] [Accepted: 12/01/2018] [Indexed: 11/20/2022] Open
Abstract
Diagnosis of persistent infection at the time of reimplantation for staged revision of infected arthroplasties is challenging. Implant sonication culture for the diagnosis of prosthetic joint infection (PJI) has improved sensitivity compared to standard periprosthetic tissue culture. We report our experience with periprosthetic tissue culture and sonication culture of antimicrobial agent-containing cement spacers (ACSs) collected during second stages of staged revisions for arthroplasty infection. We studied 87 ACSs from 66 patients undergoing two-stage revision arthroplasty for PJI submitted for sonication culture, along with conventional periprosthetic tissue cultures. Two or more positive periprosthetic tissue cultures with the same organism were considered a positive tissue culture. For sonication culture, ≥20 CFU of bacteria per 10 ml of sonicate fluid was considered positive. The sensitivity and specificity of periprosthetic tissue and ACS sonication culture in detecting persistent infection, as well as their association with outcome, were assessed. Persistent infection occurred in 26% of cases. Periprosthetic tissue and sonicate fluid culture had specificities of 96.3 and 100% (P = 0.50), respectively, and sensitivities of 31.6 and 26.3% (P = 1.00), respectively, for the diagnosis of persistent infection. Thirteen subjects deemed not to have persistent infection at time of reimplantation and who had negative periprosthetic tissue and sonicate fluid cultures subsequently developed overt infection. Sonication culture of cement spacers identifies a similar proportion of patients with persistent infection during staged revisions, as detected by periprosthetic tissue cultures; both have low sensitivities to detect persistent infection.
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Affiliation(s)
- Eric Gomez-Urena
- Division of Infectious Diseases, Department of Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Rafael J Sierra
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Kerryl E Greenwood-Quiantance
- Division of Clinical Microbiology, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minnesota, USA
| | - Melissa J Karau
- Division of Clinical Microbiology, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minnesota, USA
| | - James M Steckelberg
- Division of Infectious Diseases, Department of Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Robin Patel
- Division of Infectious Diseases, Department of Medicine, Mayo Clinic, Rochester, Minnesota, USA
- Division of Clinical Microbiology, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minnesota, USA
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Is sonication of antibiotic-loaded cement spacers useful in two-stage revision of prosthetic joint infection? J Microbiol Methods 2018; 156:81-84. [PMID: 30552970 DOI: 10.1016/j.mimet.2018.12.006] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2018] [Revised: 12/11/2018] [Accepted: 12/11/2018] [Indexed: 12/17/2022]
Abstract
BACKGROUND In a two-stage exchange protocol for prosthetic joint infection (PJI), bacteria surviving over the antibiotic-loaded cement spacers may cause the persistence of infection with renewed clinical symptoms following the surgery. Culture after sonication of removed prosthesis is more sensitive than conventional periprosthetic tissue culture for the microbiological diagnosis of PJI. The aim of this study was to assess whether sonication of the spacer at the time of the second-stage procedure may improve the diagnosis of persistent PJI. METHODS We evaluated by microbiological culture the sonication fluid from 222 cement spacers implanted in a two-stage exchange protocol in 157 patients affected by PJI. A mean of 1.3 (range, 1-4) spacer per patient was performed. RESULTS In 53 out of 222 spacers analyzed infection was confirmed according to the MSIS criteria. In 22 cases the infection was confirmed by both cultures on periprosthetic tissue and on sonication fluid from the spacers. In 23 cases persistent PJI was identified because of only cultures of periprosthetic tissue and 8 because of results obtained after spacer sonication. The sensitivity of periprosthetic tissue cultures was higher than that of cultures performed on sonication fluid (84.9% vs 56.6%, p < .001). CONCLUSIONS Even though sonication of cement spacers has performances inferior than those reported for prosthesis, it can be considered a complementary method to unravel persistent infection during a two-stage exchange protocol for PJI.
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