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Gardete-Hartmann S, Mitterer JA, Sebastian S, Frank BJH, Simon S, Huber S, Löw M, Sommer I, Prinz M, Halabi M, Hofstaetter JG. The role of BioFire Joint Infection Panel in diagnosing periprosthetic hip and knee joint infections in patients with unclear conventional microbiological results. Bone Joint Res 2024; 13:353-361. [PMID: 38981611 PMCID: PMC11233181 DOI: 10.1302/2046-3758.137.bjr-2023-0321.r2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/11/2024] Open
Abstract
Aims This study aimed to evaluate the BioFire Joint Infection (JI) Panel in cases of hip and knee periprosthetic joint infection (PJI) where conventional microbiology is unclear, and to assess its role as a complementary intraoperative diagnostic tool. Methods Five groups representing common microbiological scenarios in hip and knee revision arthroplasty were selected from our arthroplasty registry, prospectively maintained PJI databases, and biobank: 1) unexpected-negative cultures (UNCs), 2) unexpected-positive cultures (UPCs), 3) single-positive intraoperative cultures (SPCs), and 4) clearly septic and 5) aseptic cases. In total, 268 archived synovial fluid samples from 195 patients who underwent acute/chronic revision total hip or knee arthroplasty were included. Cases were classified according to the International Consensus Meeting 2018 criteria. JI panel evaluation of synovial fluid was performed, and the results were compared with cultures. Results The JI panel detected microorganisms in 7/48 (14.5%) and 15/67 (22.4%) cases related to UNCs and SPCs, respectively, but not in cases of UPCs. The correlation between JI panel detection and infection classification criteria for early/late acute and chronic PJI was 46.6%, 73%, and 40%, respectively. Overall, the JI panel identified 12.6% additional microorganisms and three new species. The JI panel pathogen identification showed a sensitivity and specificity of 41.4% (95% confidence interval (CI) 33.7 to 49.5) and 91.1% (95% CI 84.7 to 94.9), respectively. In total, 19/195 (9.7%) could have been managed differently and more accurately upon JI panel evaluation. Conclusion Despite its microbial limitation, JI panel demonstrated clinical usefulness by complementing the traditional methods based on multiple cultures, particularly in PJI with unclear microbiological results.
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Affiliation(s)
- Susana Gardete-Hartmann
- Michael Ogon Laboratory for Orthopaedic Research Orthopaedic Hospital Vienna-Speising, Vienna, Austria
| | - Jennyfer A Mitterer
- Michael Ogon Laboratory for Orthopaedic Research Orthopaedic Hospital Vienna-Speising, Vienna, Austria
| | - Sujeesh Sebastian
- Michael Ogon Laboratory for Orthopaedic Research Orthopaedic Hospital Vienna-Speising, Vienna, Austria
| | - Bernhard J H Frank
- Michael Ogon Laboratory for Orthopaedic Research Orthopaedic Hospital Vienna-Speising, Vienna, Austria
| | - Sebastian Simon
- Michael Ogon Laboratory for Orthopaedic Research Orthopaedic Hospital Vienna-Speising, Vienna, Austria
| | - Stephanie Huber
- Michael Ogon Laboratory for Orthopaedic Research Orthopaedic Hospital Vienna-Speising, Vienna, Austria
| | - Marcellino Löw
- Michael Ogon Laboratory for Orthopaedic Research Orthopaedic Hospital Vienna-Speising, Vienna, Austria
| | - Ian Sommer
- Michael Ogon Laboratory for Orthopaedic Research Orthopaedic Hospital Vienna-Speising, Vienna, Austria
| | | | - Milo Halabi
- Institute for Pathology, Microbiology and Molecular Diagnostic, Hospital of the Sisters of Charity, Ried, Austria
| | - Jochen G Hofstaetter
- Michael Ogon Laboratory for Orthopaedic Research Orthopaedic Hospital Vienna-Speising, Vienna, Austria
- 2nd Department, Orthopaedic Hospital Speising, Vienna, Austria
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Sebastian S, Huang J, Liu Y, Tandberg F, Collin M, Puthia M, Raina DB. Hydroxyapatite: An antibiotic recruiting moiety for local treatment and prevention of bone infections. J Orthop Res 2024; 42:212-222. [PMID: 37334776 DOI: 10.1002/jor.25650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 05/15/2023] [Accepted: 05/30/2023] [Indexed: 06/20/2023]
Abstract
Treatment of chronic osteomyelitis by radical debridement and filling of the dead space with antibiotic containing calcium sulfate/hydroxyapatite (CaS/HA) bone substitute has shown excellent long-term outcomes. However, in extensive infections, sessile bacteria may remain in bone cells or soft tissues protected by biofilm leading to recurrences. The primary aim of this study was to evaluate if systemically administrated tetracycline (TET) could bind to pre-implanted HA particles and impart an antibacterial effect locally. In vitro studies indicated that the binding of TET to nano- and micro-sized HA particles was rapid and plateaued already at 1 h. Since protein passivation of HA after in-vivo implantation could affect HA-TET interaction, we investigated the effect of serum exposure on HA-TET binding in an antibacterial assay. Although, serum exposure reduced the zone of inhibition (ZOI) of Staphylococcus aureus, a significant ZOI could still be observed after pre-incubation of HA with serum. We could in addition show that zoledronic acid (ZA) competes for the same binding sites as TET and that exposure to high doses of ZA led to reduced TET-HA binding. In an in-vivo setting, we then confirmed that systemically administered TET seeks HA particles that were pre-implanted in muscle and subcutaneous pouches in rats and mice respectively, preventing HA particles from being colonized by S. aureus. Clinical Significance: This study describes a new drug delivery method that could prevent bacterial colonization of a HA biomaterial and reduce recurrences in bone infection.
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Affiliation(s)
- Sujeesh Sebastian
- Department of Clinical Sciences, Orthopedics, Faculty of Medicine, Lund University, Lund, Sweden
| | - Jintian Huang
- Department of Clinical Sciences, Orthopedics, Faculty of Medicine, Lund University, Lund, Sweden
| | - Yang Liu
- Department of Clinical Sciences, Orthopedics, Faculty of Medicine, Lund University, Lund, Sweden
| | - Felix Tandberg
- Department of Clinical Sciences, Orthopedics, Faculty of Medicine, Lund University, Lund, Sweden
| | - Mattias Collin
- Division of Infection Medicine, Department of Clinical Sciences, Lund University, Lund, Sweden
| | - Manoj Puthia
- Department of Clinical Sciences Lund, Dermatology, Faculty of Medicine, Lund University, Lund, Sweden
| | - Deepak Bushan Raina
- Department of Clinical Sciences, Orthopedics, Faculty of Medicine, Lund University, Lund, Sweden
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Sebastian S, Huang J, Liu Y, Collin M, Tägil M, Raina D, Lidgren L. Systemic rifampicin shows accretion to locally implanted hydroxyapatite particles in a rat abdominal muscle pouch model. J Bone Jt Infect 2023; 8:19-28. [PMID: 36687463 PMCID: PMC9850244 DOI: 10.5194/jbji-8-19-2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Accepted: 12/06/2022] [Indexed: 01/11/2023] Open
Abstract
Introduction: biomaterials combined with antibiotics are routinely used for the management of bone infections. After eluting high concentrations of antibiotics during the first week, sub-inhibitory concentrations of antibiotics may lead to late repopulation of recalcitrant bacteria. Recent studies have shown that systemically given antibiotics like tetracycline and rifampicin (RIF) could seek and bind to locally implanted hydroxyapatite (HA). The aim of this in vivo study was to test if systemically administered rifampicin could replenish HA-based biomaterials with or without prior antibiotic loading to protect the material from late bacterial repopulation. Methods: in vivo accretion of systemically administered RIF to three different types of HA-based materials was tested. In group 1, nano (n)- and micro (m)-sized HA particles were used, while group 2 consisted of a calcium sulfate / hydroxyapatite (CaS / HA) biomaterial without preloaded antibiotics gentamycin (GEN) or vancomycin (VAN), and in group 3, the CaS / HA material contained GEN (CaS / HA + GEN) or VAN (CaS / HA + VAN). The above materials were implanted in an abdominal muscle pouch model in rats, and at 7 d post-surgery, the animals were assigned to a control group (i.e., no systemic antibiotic) and a test group (i.e., animals receiving one single intraperitoneal injection of RIF each day (4 mg per rat) for 3 consecutive days). Twenty-four hours after the third injection, the animals were sacrificed and the implanted pellets were retrieved and tested against Staphylococcus aureus ATCC 25923 in an agar diffusion assay. After overnight incubation, the zone of inhibition (ZOI) around the pellets were measured. Results: in the control group, 2 / 6 CaS / HA + GEN pellets had a ZOI, while all other harvested pellets had no ZOI. No pellets from animals in test group 1 had a ZOI. In test group 2, 10 / 10 CaS / HA pellets showed a ZOI. In test group 3, 5 / 6 CaS / HA + GEN and 4 / 6 CaS / HA + VAN pellets showed a ZOI. Conclusions: in this proof-of-concept study, we have shown that a locally implanted biphasic CaS / HA carrier after 1 week can be loaded by systemic RIF administration and exert an antibacterial effect. Further in vivo infection models are necessary to validate our findings.
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Affiliation(s)
- Sujeesh Sebastian
- Department of Clinical Sciences,
Orthopaedics, Faculty of Medicine, Lund University, Lund, Sweden
| | - Jintian Huang
- Department of Clinical Sciences,
Orthopaedics, Faculty of Medicine, Lund University, Lund, Sweden
| | - Yang Liu
- Department of Clinical Sciences,
Orthopaedics, Faculty of Medicine, Lund University, Lund, Sweden
| | - Mattias Collin
- Department of Clinical Sciences, Division of Infection Medicine, Lund
University, Lund, Sweden
| | - Magnus Tägil
- Department of Clinical Sciences,
Orthopaedics, Faculty of Medicine, Lund University, Lund, Sweden
| | - Deepak Bushan Raina
- Department of Clinical Sciences,
Orthopaedics, Faculty of Medicine, Lund University, Lund, Sweden
| | - Lars Lidgren
- Department of Clinical Sciences,
Orthopaedics, Faculty of Medicine, Lund University, Lund, Sweden
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Veerman CM, Goosen JHM, Telgt DSC, Rijnen WHM, Nabuurs MH, Wertheim HFL. Assessment of antimicrobial mismatches in empirical treatment in early PJI after aseptic revision arthroplasty. JAC Antimicrob Resist 2022; 4:dlac124. [PMID: 36506891 PMCID: PMC9728518 DOI: 10.1093/jacamr/dlac124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Accepted: 11/13/2022] [Indexed: 12/12/2022] Open
Abstract
Background In early periprosthetic joint infection (PJI), 'debridement, antibiotics and implant retention' (DAIR) is a widely accepted form of treatment. Empirical antimicrobial treatment is started while culture results of tissue samples taken during debridement are pending. Objectives In this retrospective study we assessed the antimicrobial mismatch rate between empirical treatment and the susceptibility of the causative microorganisms of PJI after aseptic revision arthroplasty. We analysed risk factors for antimicrobial mismatches and the impact of mismatches on the outcome of PJI treatment. Results A total of 119 patients were included in the analysis. In 72% (86/119) of the cases there was an antimicrobial mismatch in empirical treatment. Most of the antimicrobial mismatches were caused by multidrug-resistant (MDR) Staphylococcus spp. (77%, 66/86). In multivariable analysis, polymicrobial PJI was significantly associated with antimicrobial mismatch (OR: 6.89; 95% CI: 2.38-19.53; P < 0.001), and antimicrobial mismatch was significantly associated with reduced success rate of PJI treatment (OR: 0.20; 95% CI: 0.05 ± 0.82; P = 0.026). There was no difference in successful outcome between PJI caused by Gram-negative bacilli (61%) and Gram-positive bacteria (69%, P = 0.516). Conclusions Mismatching empirical antimicrobial treatment after DAIR following aseptic revision arthroplasty was significantly associated with failure of PJI treatment. Polymicrobial PJI is a risk factor for antimicrobial mismatch of the empirical treatment of PJI. Antimicrobial mismatch and delay in targeted treatment should be integrated in the approach to optimize antibiotic treatment to improve clinical outcomes, while minimizing unintended side effects of antimicrobial use (antimicrobial stewardship).
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Affiliation(s)
| | - J H M Goosen
- Department of Orthopedics, Sint Maartenskliniek, Nijmegen, The Netherlands
| | - D S C Telgt
- Department of Orthopedics, Sint Maartenskliniek, Nijmegen, The Netherlands,Department of Internal Medicine, Radboud University Medical Centre, Nijmegen, The Netherlands
| | - W H M Rijnen
- Department of Orthopedics Nijmegen, Radboud University Medical Centre, Nijmegen, The Netherlands
| | - M H Nabuurs
- Department of Medical Microbiology, Canisius Wilhelmina Ziekenhuis, Nijmegen, The Netherlands
| | - H F L Wertheim
- Department of Medical Microbiology, Radboud University Medical Centre, Nijmegen, The Netherlands
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Shen X, Zhang Y, Mao Q, Huang Z, Yan T, Lin T, Chen W, Wang Y, Cai X, Liang Y. Peptide–Polymer Conjugates: A Promising Therapeutic Solution for Drug-Resistant Bacteria. INT J POLYM SCI 2022; 2022:1-18. [DOI: 10.1155/2022/7610951] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2023] Open
Abstract
By 2050, it is estimated that 10 million people will die of drug-resistant bacterial infection caused by antibiotic abuse. Antimicrobial peptide (AMP) is widely used to prevent such circumstances, for the positively charged AMPs can kill drug-resistant bacteria by destroying negatively charged bacterial cell membrane, and has excellent antibacterial efficiency and low drug resistance. However, due to the defects in low in vivo stability, easy degradation, and certain cytotoxicity, its practical clinical application is limited. The emergence of peptide–polymer conjugates (PPC) helps AMPs overcome these shortcomings. By combining with functional polymers, the positive charge of AMPs is partially shielded, and its stability and water solubility are improved, so as to prolong the in vivo circulation time of AMPs and reduce its cytotoxicity. At the same time, the self-assembly ability of PPC enables it to assemble into different nanostructures to undertake specific antibacterial tasks. At present, PPC is mainly used in wound dressing, bone tissue repair, antibacterial coating of medical devices, nerve repair, tumor treatment, and oral health maintenance. In this study, we summarize the structure, synthesis methods, and the clinical applications of PPC, so as to present the current challenges and discuss the future prospects of antibacterial therapeutic materials.
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Affiliation(s)
- Xuqiu Shen
- Department of General Surgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou 310016, China
| | - Yiyin Zhang
- Department of General Surgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou 310016, China
| | - Qijiang Mao
- Department of General Surgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou 310016, China
| | - Zhengze Huang
- Department of General Surgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou 310016, China
| | - Tingting Yan
- Department of General Surgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou 310016, China
| | - Tianyu Lin
- Department of General Surgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou 310016, China
| | - Wenchao Chen
- Department of General Surgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou 310016, China
| | - Yifan Wang
- Department of General Surgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou 310016, China
| | - Xiujun Cai
- Department of General Surgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou 310016, China
| | - Yuelong Liang
- Department of General Surgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou 310016, China
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Temporal Trends in Deep Surgical Site Infections After Six Orthopaedic Procedures Over a 12-year Period Within a US-based Healthcare System. J Am Acad Orthop Surg 2022; 30:e1391-e1401. [PMID: 36084332 DOI: 10.5435/jaaos-d-22-00280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Accepted: 06/05/2022] [Indexed: 02/01/2023] Open
Abstract
INTRODUCTION Centers of excellence and bundled payment models have driven perioperative optimization and surgical site infection (SSI) prevention with decolonization protocols and antibiotic prophylaxis strategies. We sought to evaluate time trends in the incidence of deep SSI and its causative organisms after six orthopaedic procedures in a US-based integrated healthcare system. METHODS We conducted a population-level time-trend study using data from Kaiser Permanente's orthopaedic registries. All patients who underwent primary anterior cruciate ligament reconstruction (ACLR), total knee arthroplasty (TKA), elective total hip arthroplasty (THA), hip fracture repair, shoulder arthroplasty, and spine surgery were identified (2009 to 2020). The annual incidence of 90-day deep SSI was identified according to the National Healthcare Safety Network/Centers for Disease Control and Prevention guidelines with manual chart validation for identified infections. Poisson regression was used to evaluate annual trends in SSI incidence with surgical year as the exposure of interest. Annual trends in overall incidence and organism-specific incidence were considered. RESULTS The final study sample was composed of 465,797 primary orthopaedic procedures. Over the 12-year study period, a decreasing trend in deep SSI was observed for ACLR and hip fracture repair. Although there was variation in incidence rates for specific operative years for TKA, elective THA, shoulder arthroplasty, and spine surgery, no consistent decreasing trends over time were found. Decreasing rates of Staphylococcus aureus infections over time after hip fracture repair, shoulder arthroplasty, and spine surgery and decreasing trends in antibiotic resistance after elective THA and spine surgery were also observed. Increasing trends of polymicrobial infections were observed after TKA and Cutibacterium acnes after elective THA. CONCLUSIONS The overall incidence of deep SSI after six orthopaedic procedures was rare. Decreasing SSI rates were observed for ACLR and hip fracture repair within our US-based healthcare system. Polymicrobial infections after TKA and Cutibacterium acnes after elective THA warrant closer surveillance. LEVEL OF EVIDENCE IV.
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Microbiological Trends and Antibiotic Susceptibility Patterns in Patients with Periprosthetic Joint Infection of the Hip or Knee over 6 Years. Antibiotics (Basel) 2022; 11:antibiotics11091244. [PMID: 36140023 PMCID: PMC9495258 DOI: 10.3390/antibiotics11091244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2022] [Revised: 09/05/2022] [Accepted: 09/09/2022] [Indexed: 12/02/2022] Open
Abstract
We sought to analyze trends of the causative pathogens and their antibiotic susceptibility patterns in patients with periprosthetic joint infections (PJI) of the hip and knee to get better insights and improve treatment. Retrospective evaluation of all consecutive patients with microbiological detection of a causative pathogen at a tertiary endoprothetic referral center between January 2016 and December 2021 in Germany was performed. Overall, 612 different microorganisms could be detected in 493 patients (hip: n = 293; knee: n = 200). Evaluation did not show a change in the relative abundance of pathogens detected, with coagulase-negative staphylococci (n = 275; 44.9%) found frequently, followed by S. aureus (n = 86; 14.1%), Enterococcus species (n = 57; 9.3%), Streptococcus species (n = 48; 7.8%), and Gram-negative bacteria (n = 80; 13.1%). Evaluation of the antibiotic susceptibilities showed increasing rates of oxacillin-resistant coagulase-negative staphylococci (60.4%; 46.8−76.7%) and piperacillin-tazobactam-resistant Gram-negative bacteria (26.5%; 0−57.1%), although statistically not significant. Resistance of Gram-positive bacteria to vancomycin (<1%) and Gram-negative microorganisms to meropenem (1.25%) remained an exception. In summary, coagulase-negative staphylococci, as the most frequent pathogen, displayed a continuously high rate of oxacillin resistance. For the highest antimicrobial coverage in the case of an empiric therapy/unknown pathogen, vancomycin might be chosen. Level of evidence: IV.
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