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Dombrowsky A, Jolissaint J, Otero J. Pasteurella multocida From a Cat Scratch as a Cause of Recurrent Prosthetic Joint Infection After Previously Successful Single-Stage Exchange Arthroplasty. Arthroplast Today 2024; 27:101351. [PMID: 38690092 PMCID: PMC11058723 DOI: 10.1016/j.artd.2024.101351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2023] [Revised: 02/04/2024] [Accepted: 02/10/2024] [Indexed: 05/02/2024] Open
Abstract
We report a case of a 74-year-old female with a history of a prosthetic joint infection that was successfully treated with a single-stage exchange arthroplasty, off antibiotics, and without symptoms for 20 months. She presented 1 week after a cat scratch with acute knee pain, and aspiration grew Pasteurella multocida. She was successfully treated with surgical debridement and a prolonged course of antibiotics. Debate remains in the literature regarding whether recurrent infections represent a previously undetected organism or a new infection. Our report provides convincing evidence that, at least in some circumstances, the infection is new. Furthermore, this is the first case described of P. multocida resulting in a recurrent prosthetic joint infection after a previously successful exchange arthroplasty due to a different causative organism.
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Affiliation(s)
| | | | - Jesse Otero
- Atrium Health – Musculoskeletal Institute, Charlotte, NC, USA
- OrthoCarolina – Hip and Knee Center, Charlotte, NC, USA
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2
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Mazzella FM, Zhang Y, Bauer TW. Update on the role of pathology and laboratory medicine in diagnosing periprosthetic infection. Hum Pathol 2024; 147:5-14. [PMID: 38280657 DOI: 10.1016/j.humpath.2024.01.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Accepted: 01/22/2024] [Indexed: 01/29/2024]
Abstract
Technological and implant design advances have helped reduce the frequency of aseptic total joint arthroplasty failure, but periprosthetic joint infections (PJI) remain a clinical important problem with high patient morbidity. Misinterpreting PJI as aseptic mechanical loosening commonly leads to unsatisfactory revision arthroplasty, persistent infection, and poor long-term results. While there is no single "gold standard" diagnostic test for PJI, recent collaborative efforts by Orthopaedic and Infectious Disease Societies have developed algorithms for diagnosing PJI. However, the efficacy of individual tests as well as diagnostic thresholds are controversial. We review the recommended thresholds for commonly used screening tests as well as tissue histopathology and confirmatory tests to diagnose periprosthetic infection. We also update lesser-known laboratory tests, and we briefly summarize rapidly evolving molecular tests to diagnose periprosthetic infection. Pathologists hold a critical role in assisting with PJI diagnosis, maintaining laboratory test quality and interpreting test results. Collaboration between clinicians and pathologists is essential to provide optimal patient care and reduce the burden of PJI.
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Affiliation(s)
- Fermina M Mazzella
- Department of Pathology and Laboratory Medicine, Hospital for Special Surgery, USA
| | - Yaxia Zhang
- Department of Pathology and Laboratory Medicine, Hospital for Sprecial Surgery, Weill Cornell College of Medicine, USA
| | - Thomas W Bauer
- Department of Pathology and Laboratory Medicine, Hospital for Special Surgery, Weill Cornell Medical College, 535 East 70th St, New York, NY, 10021, USA.
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Suardi V, Baroni D, Shahein AHA, Morena V, Logoluso N, Mangiavini L, Pellegrini AV. Microbiology of Prosthetic Joint Infections: A Retrospective Study of an Italian Orthopaedic Hospital. Antibiotics (Basel) 2024; 13:399. [PMID: 38786128 PMCID: PMC11117340 DOI: 10.3390/antibiotics13050399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Revised: 04/22/2024] [Accepted: 04/25/2024] [Indexed: 05/25/2024] Open
Abstract
The most frequent cause of periprosthetic infections (PJIs) is intraoperative contamination; hence, antibiotic prophylaxis plays a crucial role in prevention. Modifications to standard prophylaxis can be considered if there is a high incidence of microorganisms resistant to current protocols. To date, very few studies regarding microbial etiology have been published in Italy. In this single-center, retrospective study conducted at IRCCS Ospedale Galeazzi-Sant'Ambrogio in Milan, we analyzed hip, knee, and shoulder PJIs in patients undergoing first implantation between 1 January 17 and 31 December 2021. The primary aim was to derive a local microbiological case history. The secondary aim was to evaluate the adequacy of preoperative antibiotic prophylaxis in relation to the identified bacteria. A total of 57 PJIs and 65 pathogens were identified: 16 S. aureus, 15 S. epidermidis, and 10 other coagulase-negative staphylococci (CoNS), which accounted for 63% of the isolations. A total of 86.7% of S. epidermidis were methicillin-resistant (MRSE). In line with other case reports, we found a predominance of staphylococcal infections, with a lower percentage of MRSA than the Italian average, while we found a high percentage of MRSE. We estimated that 44.6% of the bacteria isolated were resistant to cefazolin, our standard prophylaxis. These PJIs could be prevented by using glycopeptide alone or in combination with cefazolin, but the literature reports conflicting results regarding the adequacy of such prophylaxis. In conclusion, our study showed that in our local hospital, our standard antibiotic prophylaxis is ineffective for almost half of the cases, highlighting the importance of defining specific antibiotic guidelines based on the local bacterial prevalence of each institution.
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Affiliation(s)
- Virginia Suardi
- IRCCS Ospedale Galeazzi–Sant’Ambrogio, 20157 Milan, Italy; (V.S.); (N.L.); (A.V.P.)
| | - Daniele Baroni
- Department of Orthopedics and Traumatology, Alessandro Manzoni Hospital, 23900 Lecco, Italy;
| | | | - Valentina Morena
- Infectious Disease Unit, Alessandro Manzoni Hospital, 23900 Lecco, Italy;
| | - Nicola Logoluso
- IRCCS Ospedale Galeazzi–Sant’Ambrogio, 20157 Milan, Italy; (V.S.); (N.L.); (A.V.P.)
| | - Laura Mangiavini
- IRCCS Ospedale Galeazzi–Sant’Ambrogio, 20157 Milan, Italy; (V.S.); (N.L.); (A.V.P.)
- Department of Biomedical Sciences for Health, University of Milan, 20133 Milan, Italy
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4
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Reynolds AW, Vallès KF, Wang DX, Vyas P, Regal S, Garay M. Dyslipidaemia is associated with Cutibacterium acnes hip and knee prosthetic joint infection. INTERNATIONAL ORTHOPAEDICS 2024; 48:899-904. [PMID: 38157039 DOI: 10.1007/s00264-023-06066-4] [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: 08/11/2023] [Accepted: 12/09/2023] [Indexed: 01/03/2024]
Abstract
PURPOSE Optimization of medical factors including diabetes and obesity is a cornerstone in the prevention of prosthetic joint infection (PJI). Dyslipidaemia is another component of metabolic syndrome which has not been thoroughly investigated as an individual, modifiable risk factor. This study examined the association of dyslipidaemia with PJI caused by the lipophilic microbe Cutibacterium acnes (C. acnes). METHODS A retrospective chart review examined patients with positive C. acnes culture at hip or knee arthroplasty explantation. A control group with methicillin-sensitive Staphylococcus aureus (MSSA) positive cultures at explantation was matched for age, sex, and surgical site, as well as a second control group with no infection. A total of 80 patients were included, 16 with C. acnes, 32 with MSSA, and 32 with no infection. All patients had a lipid panel performed within one year of surgery. Lipid values and categories were compared using multinomial logistic regressions. RESULTS High or borderline triglycerides (TG) (relative risk ratio (RRR) = 0.13; P = 0.013) and low high-density lipoprotein (HDL) (RRR = 0.13; P = 0.025) were significantly associated with C. acnes PJI compared to MSSA-PJI. High or borderline TG (RRR = 0.21; P = 0.041) and low HDL (RRR = 0.17; P = 0.043) were also associated with a greater probability of C. acnes infection compared to no infection. CONCLUSIONS The presence of elevated TG and low HDL were both associated at a statistically significant level with C. acnes hip or knee PJI compared to controls with either MSSA PJI or no infection. This may represent a specific risk factor for C. acnes PJI that is modifiable.
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Affiliation(s)
- Alan W Reynolds
- Allegheny Health Network, 1307 Federal St, Pittsburgh, PA, 15212, USA.
| | | | - David X Wang
- Allegheny Health Network, 1307 Federal St, Pittsburgh, PA, 15212, USA
| | - Praveer Vyas
- Allegheny Health Network, 1307 Federal St, Pittsburgh, PA, 15212, USA
| | - Steven Regal
- Allegheny Health Network, 1307 Federal St, Pittsburgh, PA, 15212, USA
| | - Mariano Garay
- Allegheny Health Network, 1307 Federal St, Pittsburgh, PA, 15212, USA
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Stevoska S, Behm-Ferstl V, Zott S, Stadler C, Gotterbarm T, Klasan A. Second-Line Antibiotic Agents in Patient-Reported Penicillin or Cephalosporin Allergy Have No Negative Impact on Antibiotic Resistance After Hip and Knee Arthroplasty. J Arthroplasty 2024; 39:242-249.e2. [PMID: 37380142 DOI: 10.1016/j.arth.2023.06.036] [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: 11/12/2022] [Revised: 06/12/2023] [Accepted: 06/19/2023] [Indexed: 06/30/2023] Open
Abstract
BACKGROUND The aim of the present study was to compare causative bacteria and their antibiotic resistance profiles in patients developing a periprosthetic joint infection (PJI) based on preoperative prophylactic antibiotic regimens in primary total hip (THA) and primary total and unicompartmental knee arthroplasty (TKA/UKA). METHODS We reviewed all cases of PJI occurring after primary THA and primary TKA/UKA, between 2011 and 2020 in a tertiary referral hospital. The standard preoperative prophylactic antibiotic for primary joint arthroplasty was cefuroxime and recommended second-line agent was clindamycin. Patients were divided by the replaced joint and analyzed independently. RESULTS In the THA group, culture-positive PJI was detected in 61 of 3,123 (2.0%) cefuroxime-administered cases and 6 of 206 (2.9%) noncefuroxime-administered cases. In the TKA/UKA group, culture positive PJI was identified in 21 of 2,455 (0.9%) cefuroxime-administered cases and in 3 of 211 (1.4%) noncefuroxime administered cases. The most commonly isolated bacteria in both groups were coagulase negative staphylococci (CNS). There were no statistically significant differences of pathogen spectrum depending on the preoperative antibiotic regimen detected. Antibiotic resistance of isolated bacteria was significantly different in 4 of 27 (14.8%) analyzed antibiotics in THA and in 3 of 22 (13.6%) analyzed antibiotics in TKA/UKA. In all cohorts, a high occurrence of oxacillin-resistant CNS (50.0 to 100.0%) and clindamycin-resistant CNS (56.3 to 100.0%) has been observed. CONCLUSION The use of the second-line antibiotic did not influence the pathogen spectrum or antibiotic resistance. However, an alarmingly high proportion of CNS strains was resistant to clindamycin.
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Affiliation(s)
- Stella Stevoska
- Department for Orthopaedics and Traumatology, Kepler University Hospital GmbH, Linz, Austria; Faculty of Medicine, Johannes Kepler University Linz, Linz, Austria
| | - Verena Behm-Ferstl
- Department for Orthopaedics and Traumatology, Kepler University Hospital GmbH, Linz, Austria; Faculty of Medicine, Johannes Kepler University Linz, Linz, Austria
| | - Stephanie Zott
- Department for Orthopaedics and Traumatology, Kepler University Hospital GmbH, Linz, Austria; Faculty of Medicine, Johannes Kepler University Linz, Linz, Austria
| | - Christian Stadler
- Department for Orthopaedics and Traumatology, Kepler University Hospital GmbH, Linz, Austria; Faculty of Medicine, Johannes Kepler University Linz, Linz, Austria
| | - Tobias Gotterbarm
- Department for Orthopaedics and Traumatology, Kepler University Hospital GmbH, Linz, Austria; Faculty of Medicine, Johannes Kepler University Linz, Linz, Austria
| | - Antonio Klasan
- Faculty of Medicine, Johannes Kepler University Linz, Linz, Austria; AUVA UKH Steiermark, Graz, Austria
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Gründer L, Bockholt S, Gosheger G, Schulze M, Schwarze J, Pützler J, Moellenbeck B, Theil C. Two-Stage Revision Arthroplasty for Resistant Gram-Positive Periprosthetic Joint Infections Using an Oral Linezolid-Based Antibiotic Regime. Antibiotics (Basel) 2023; 12:1235. [PMID: 37627655 PMCID: PMC10451634 DOI: 10.3390/antibiotics12081235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 07/18/2023] [Accepted: 07/24/2023] [Indexed: 08/27/2023] Open
Abstract
BACKGROUND Increasing antibiotic resistance has been reported as an issue in the systemic treatment of periprosthetic joint infection (PJI). Linezolid offers the advantages of high oral bioavailability and little resistance; however, efficacy in the treatment of PJI varies considerably, and studies reporting consistent surgical treatment are scarce. METHODS This is a retrospective, single-center analysis of two-stage revisions performed between 2008 and 2017. We identified 111 patients who met the inclusion criteria. Oral linezolid was given for 28 days following 14 days of intravenous tailored antibiotics in resistant gram-positive PJI. A total of 64% of the patients had methicillin-resistant coagulase-negative staphylococci. The median follow-up was 43 (interquartile range (IQR) 30-57) months. RESULTS 22% (24/111) of the patients underwent surgery for subsequent infection. The 5-year infection-free survival probability was 77% (95% confidence interval (CI) 69-85). A total of 5% of the patients (6/111) had the same organism at the time of reinfection. The patients with infections caused by other organisms than Coagulase-negative staphylococci tended to have a worse reinfection-free survivorship at five years (70% vs. 81%, p = 0.09). Furthermore, the patients with obesity tended to have reduced reinfection-free survivorship at five years (69% vs. 84%, p = 0.08). Overall, 5% (6/111) of the patients had blood count abnormalities with no treatment discontinuations. CONCLUSION Two-stage revision arthroplasty with systemic oral linezolid treatment for resistant gram-positive PJI results in an infection control of 77% at the mid-term.
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Affiliation(s)
| | | | | | | | | | | | | | - Christoph Theil
- Department of Orthopedics and Tumor Orthopedics, Muenster University Hospital, Albert-Schweitzer-Campus 1, 48149 Muenster, Germany
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Tateiwa T, Takahashi Y, Ishida T, Masaoka T, Shishido T, Yamamoto K. Bacterial Contamination in Total Joint Replacement: Should We Change into a New Set of Clean Scrub Suits Whenever Entering the Operating Room? Life (Basel) 2023; 13:1615. [PMID: 37511990 PMCID: PMC10381731 DOI: 10.3390/life13071615] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 07/22/2023] [Accepted: 07/23/2023] [Indexed: 07/30/2023] Open
Abstract
BACKGROUND The aims of this study are as follows: (1) to investigate the level and probability of bacterial contamination on scrub suits over time for medical personnel working inside and/or outside the operating room (OR) area; (2) to discuss the protective role of cover gowns against bacterial contamination; and (3) to consider the necessity of changing into clean suits whenever entering the OR in terms of preventing periprosthetic joint infection (PJI) in total joint replacement (TJR). METHODS The bacterial colony count was examined on the chest area of the scrub suits worn during various daily clinical practices. The genus/species of the contaminants were identified by matrix-assisted laser deposition ionization-time of flight mass spectrometry (MALDI-TOF MS). RESULTS The scrub suits worn outside the OR area showed a greater level of bacterial contamination than those worn inside the OR area, although the colony counts tended to increase over time both in and out of the area. The probability of contamination involving coagulase-negative staphylococci (CNS) (known as the primary cause of PJI) did not increase significantly in the scrubs worn inside the OR area, but did increase significantly after a long-time departure from the OR area. CONCLUSIONS Our results suggest that wearing scrub suits outside and/or the long duration of wearing the same suits can significantly increase the level and probability of any bacterial contamination (including CNS) on scrub suits. We also found that wearing a cover gown over scrub suits outside the OR area may have only a limited protective role against bacterial contamination.
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Affiliation(s)
- Toshiyuki Tateiwa
- Department of Orthopedic Surgery, Tokyo Medical University, Tokyo 160-0023, Japan
| | - Yasuhito Takahashi
- Department of Orthopedic Surgery, Tokyo Medical University, Tokyo 160-0023, Japan
- Department of Bone and Joint Biomaterial Research, Tokyo Medical University, Tokyo 160-0023, Japan
| | - Tsunehito Ishida
- Department of Orthopedic Surgery, Tokyo Medical University, Tokyo 160-0023, Japan
| | - Toshinori Masaoka
- Department of Orthopedic Surgery, Tokyo Medical University, Tokyo 160-0023, Japan
| | - Takaaki Shishido
- Department of Orthopedic Surgery, Tokyo Medical University, Tokyo 160-0023, Japan
| | - Kengo Yamamoto
- Department of Orthopedic Surgery, Tokyo Medical University, Tokyo 160-0023, Japan
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Ciccullo C, Neri T, Farinelli L, Gigante A, Philippot R, Farizon F, Boyer B. Antibiotic Prophylaxis in One-Stage Revision of Septic Total Knee Arthroplasty: A Scoping Review. Antibiotics (Basel) 2023; 12:antibiotics12030606. [PMID: 36978473 PMCID: PMC10044675 DOI: 10.3390/antibiotics12030606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 02/28/2023] [Accepted: 03/15/2023] [Indexed: 03/30/2023] Open
Abstract
BACKGROUND Total knee replacement (TKA) is becoming a routine procedure in orthopedic surgery. One of the possible complications of this surgery is periprosthetic joint infection (PJI). The purpose of this study is to identify, through a literature review, which antibiotic is used as prophylaxis for septic one-stage revision TKA and what is the rationale for its use. METHODS We searched: MEDLINE, Embase, PsycINFO on Ovid, the Cochrane Library, and the Google Scholar Database. The searches were limited by date (January 2005 to September 2022) and to the English language. All types of original research were considered, including prospective or retrospective longitudinal studies, cross-sectional studies, and randomized trials. The specific search terms were ((antibiotic [MeSH]) AND (prophylaxis)) and (TKA OR TKR OR "Arthroplasty, Replacement, Knee" [MeSH] OR ((knee) adj2 (replace* OR arthroplasty* OR prosthe*))). RESULTS Despite our research efforts, we found no article capable of answering the question of which antibiotic to use as surgical prophylaxis for a septic revision one-stage TKA. CONCLUSIONS Although the research results are inconclusive, we would recommend using the same antibiotic prophylaxis as for primary joint replacement, i.e., cefazolin, as it was recommended for its low side effect rate and relative effectiveness.
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Affiliation(s)
- Carlo Ciccullo
- Clinical Ortopaedics, Department of Clinical and Molecular Sciences, Università Politecnica delle Marche, 60121 Ancona, Italy
| | - Thomas Neri
- Department of Orthopaedic Surgery, University Hospital of Saint Etienne, Hôpital Nord, 42055 Saint-Étienne, France
- Laboratoire Interuniversitaire de Biologie de la Motricité, Université de Lyon, 69361 Lyon, France
| | - Luca Farinelli
- Clinical Ortopaedics, Department of Clinical and Molecular Sciences, Università Politecnica delle Marche, 60121 Ancona, Italy
| | - Antonio Gigante
- Clinical Ortopaedics, Department of Clinical and Molecular Sciences, Università Politecnica delle Marche, 60121 Ancona, Italy
| | - Rémi Philippot
- Department of Orthopaedic Surgery, University Hospital of Saint Etienne, Hôpital Nord, 42055 Saint-Étienne, France
- Laboratoire Interuniversitaire de Biologie de la Motricité, Université de Lyon, 69361 Lyon, France
| | - Frederic Farizon
- Department of Orthopaedic Surgery, University Hospital of Saint Etienne, Hôpital Nord, 42055 Saint-Étienne, France
- U 1059 Sainbiose, Mines Saint-Étienne, Universitè Jean Monnet, INSERM, 42023 Saint-Étienne, France
| | - Bertrand Boyer
- Department of Orthopaedic Surgery, University Hospital of Saint Etienne, Hôpital Nord, 42055 Saint-Étienne, France
- U 1059 Sainbiose, Mines Saint-Étienne, Universitè Jean Monnet, INSERM, 42023 Saint-Étienne, France
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Hu L, Fu J, Zhou Y, Chai W, Zhang G, Hao L, Chen J. Microbiological profiles and antibiotic resistance of periprosthetic joint infection after hip replacement in patients with fracture or non-fracture: A comparative study. J Back Musculoskelet Rehabil 2023; 36:147-154. [PMID: 36120762 DOI: 10.3233/bmr-210319] [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: 02/04/2023]
Abstract
BACKGROUND Periprosthetic joint infection (PJI) is one of the worst complications following total joint arthroplasty (TJA). Unfortunately, effective prevention strategies to reduce the burden of PJI have not been fully determined in hip replacement patients with fracture and non-fracture. OBJECTIVE This study aimed to analyze and compare the demographic characteristics, microbiological profiles and antibiotic resistance of PJI after hip replacement between patients with fracture and non-fracture. METHODS We retrospectively analyzed the data of 132 patients who treated PJI. There were divided into two groups: non-fracture group (64 patients infected after hip replacement for fracture) and non-fracture group (68 patients infected after hip replacement for non-fracture). Microorganisms were obtained from the synovial fluid and infected necrotic tissue in the joint capsule, medullary cavity, or acetabulum in all patients, and microbiological profiles and antibiotic resistance were evaluated. RESULTS Coagulase-negative staphylococci (CoNS) were the most common pathogenic microorganisms in all patients. Methicillin-resistant Staphylococcus (MRS) accounted for 25% in all pathogenic microbes. Staphylococci showed high drug resistance rates to clindamycin, levofloxacin, and all of the first- and second-generation cephalosporins. MRS isolates in non-fracture group had higher drug resistance rates to clindamycin and levofloxacin than than those in fracture group. Gram-negative bacilli (GNB) showed high drug resistance rates to Aztreonam, gentamicin and all of the third- and fourth-generation cephalosporins. Furthermore, GNB isolates in the non-fracture group showed higher resistance rates to gentamicin and all of the third- and fourth-generation cephalosporins. CONCLUSIONS MRS isolates in the non-fracture group showed higher drug resistance rates to clindamycin and levofloxacin, and GNB isolates in non-fracture group showed higher drug resistance rates to gentamicin and all of the third- and fourth-generation cephalosporins.
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Affiliation(s)
- Lifeng Hu
- Medical School of Chinese PLA, Chinese PLA General Hospital, Beijing, China.,Department of Orthopedics, The Fifth Central Hospital of Tianjin, Tianjin, China
| | - Jun Fu
- Medical School of Chinese PLA, Chinese PLA General Hospital, Beijing, China
| | - Yonggang Zhou
- Medical School of Chinese PLA, Chinese PLA General Hospital, Beijing, China
| | - Wei Chai
- Medical School of Chinese PLA, Chinese PLA General Hospital, Beijing, China
| | - Guoqiang Zhang
- Medical School of Chinese PLA, Chinese PLA General Hospital, Beijing, China
| | - Libo Hao
- Medical School of Chinese PLA, Chinese PLA General Hospital, Beijing, China
| | - Jiying Chen
- Medical School of Chinese PLA, Chinese PLA General Hospital, Beijing, China
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10
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Frank BJH, Simon S, Aichmair A, Dominkus M, Hofstaetter JG. Clinical impact of microbiological results in two-stage revision arthroplasty with spacer exchange. Arch Orthop Trauma Surg 2023:10.1007/s00402-023-04770-9. [PMID: 36689002 DOI: 10.1007/s00402-023-04770-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Accepted: 01/07/2023] [Indexed: 01/24/2023]
Abstract
INTRODUCTION Patients who require a spacer exchange as part of a two-stage procedure for the treatment of periprosthetic hip and knee joint infections (PJI) have high failure rates. Little is known about the clinical impact of microbiological results and changes in the microbiological spectrum and resistance pattern in these patients. MATERIAL AND METHODS Between 01/2011 and 12/2019, 312 patients underwent a total of 327 two-stage revision arthroplasties at our institution. A spacer exchange was required in 52/312 (16.7%) patients (27 knee/25 hip). Microbiological results, antibiotic resistance patterns, patient's host factors as well as re-revision and re-infection rates at a median follow-up of 47.8 months (range 12.2-116.7 months) were analyzed. A propensity score (PS)-matched analysis of patients who underwent spacer exchange and patients treated with standard two-stage procedure was performed. RESULTS We found a high number of microbiological spectrum changes in patients with multiple culture positive procedures between explantations and spacer exchanges (10/12 [83.3%]), spacer exchanges and reimplantations (3/4 [75%]) as well as between reimplantations and subsequent re-revision surgeries (5/6 [83.3%]). In 9/52 (17.3%) patients, same microorganisms were detected repeatedly in two different procedures. We observed changes in the antibiotic resistance patterns in 6/9 (66.7%) of these patients. High re-infection rates were found in patients with culture positive reimplantations (10/12 [83.3%]), and low re-infection rates were found in patients with culture negative reimplantations (2/40 [5%]; p < 0.001). Between patients with and without spacer exchange, no differences were found in the re-revision rates (13/52 [25%] with vs. 13/52 [25%] without; p = 1.00) as well as re-infection rates (12/52 [23.1%] with vs. 8/52 [15.4%] without; p = 0.32). CONCLUSIONS Changes in microbiological spectrum and antibiotic resistance patterns between stages are common in patients who require a spacer exchange. If eradication of the microorganism at reimplantation can be accomplished, comparable re-revision rates to standard two-stage procedures can be achieved.
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Affiliation(s)
- Bernhard J H Frank
- Michael Ogon Laboratory for Orthopaedic Research, Orthopaedic Hospital Vienna-Speising, Speisinger Strasse 109, 1130, Vienna, Austria.,2nd Department, Orthopaedic Hospital Vienna-Speising, Speisinger Strasse 109, 1130, Vienna, Austria
| | - Sebastian Simon
- Michael Ogon Laboratory for Orthopaedic Research, Orthopaedic Hospital Vienna-Speising, Speisinger Strasse 109, 1130, Vienna, Austria.,2nd Department, Orthopaedic Hospital Vienna-Speising, Speisinger Strasse 109, 1130, Vienna, Austria
| | - Alexander Aichmair
- Michael Ogon Laboratory for Orthopaedic Research, Orthopaedic Hospital Vienna-Speising, Speisinger Strasse 109, 1130, Vienna, Austria.,2nd Department, Orthopaedic Hospital Vienna-Speising, Speisinger Strasse 109, 1130, Vienna, Austria
| | - Martin Dominkus
- 2nd Department, Orthopaedic Hospital Vienna-Speising, Speisinger Strasse 109, 1130, Vienna, Austria.,School of Medicine, Sigmund Freud University Vienna, Freudplatz 1, 1020, Vienna, Austria
| | - Jochen G Hofstaetter
- Michael Ogon Laboratory for Orthopaedic Research, Orthopaedic Hospital Vienna-Speising, Speisinger Strasse 109, 1130, Vienna, Austria. .,2nd Department, Orthopaedic Hospital Vienna-Speising, Speisinger Strasse 109, 1130, Vienna, Austria.
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11
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Bottagisio M, Balzano V, Ciambriello L, Rosa L, Talò G, Lovati AB, De Vecchi E, Gavioli L. Exploring multielement nanogranular coatings to forestall implant-related infections. Front Cell Infect Microbiol 2023; 13:1128822. [PMID: 36824688 PMCID: PMC9941522 DOI: 10.3389/fcimb.2023.1128822] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 01/12/2023] [Indexed: 02/10/2023] Open
Abstract
Introduction As we approach the post-antibiotic era, the development of innovative antimicrobial strategies that carry out their activities through non-specific mechanisms could limit the onset and spread of drug resistance. In this context, the use of nanogranular coatings of multielement nanoparticles (NPs) conjugated to the surface of implantable biomaterials might represent a strategy to reduce the systemic drawbacks by locally confining the NPs effects against either prokaryotic or eukaryotic cells. Methods In the present study, two new multielement nanogranular coatings combining Ag and Cu with either Ti or Mg were synthesized by a gas phase physical method and tested against pathogens isolated from periprosthetic joint infections to address their potential antimicrobial value and toxicity in an in vitro experimental setting. Results Overall, Staphylococcus aureus, Staphylococcus epidermidis and Escherichia coli displayed a significantly decreased adhesion when cultured on Ti-Ag-Cu and Mg-Ag-Cu coatings compared to uncoated controls, regardless of their antibiotic resistance traits. A dissimilar behavior was observed when Pseudomonas aeruginosa was cultured for 30 and 120 minutes upon the surface of Ti-Ag-Cu and Mg-Ag-Cu-coated discs. Biofilm formation was mainly reduced by the active effect of Mg-Ag-Cu compared to Ti-Ag-Cu and, again, coatings had a milder effect on P. aeruginosa, probably due to its exceptional capability of attachment and matrix production. These data were further confirmed by the evaluation of bacterial colonization on nanoparticle-coated discs through confocal microscopy. Finally, to exclude any cytotoxic effects on eukaryotic cells, the biocompatibility of NPs-coated discs was studied. Results demonstrated a viability of 95.8% and 89.4% of cells cultured in the presence of Ti-Ag-Cu and Mg-Ag-Cu discs, respectively, when compared to negative controls. Conclusion In conclusion, the present study demonstrated the promising anti-adhesive features of both Ti-Ag-Cu and Mg-Ag-Cu coatings, as well as their action in hampering the biofilm formation, highlighting the safe use of the tested multi-element families of nanoparticles as new strategies against bacterial attachment to the surface of biomedical implants.
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Affiliation(s)
- Marta Bottagisio
- IRCCS Istituto Ortopedico Galeazzi, Laboratory of Clinical Chemistry and Microbiology, Milan, Italy
- *Correspondence: Marta Bottagisio,
| | - Vincenzo Balzano
- Interdisciplinary Laboratories for Advanced Materials Physics (i-LAMP), Dipartimento di Matematica e Fisica, Università Cattolica del Sacro Cuore, Via Musei, Brescia, Italy
| | - Luca Ciambriello
- Interdisciplinary Laboratories for Advanced Materials Physics (i-LAMP), Dipartimento di Matematica e Fisica, Università Cattolica del Sacro Cuore, Via Musei, Brescia, Italy
| | - Laura Rosa
- Interdisciplinary Laboratories for Advanced Materials Physics (i-LAMP), Dipartimento di Matematica e Fisica, Università Cattolica del Sacro Cuore, Via Musei, Brescia, Italy
| | - Giuseppe Talò
- IRCCS Istituto Ortopedico Galeazzi, Cell and Tissue Engineering Laboratory, Milan, Italy
| | - Arianna B. Lovati
- IRCCS Istituto Ortopedico Galeazzi, Cell and Tissue Engineering Laboratory, Milan, Italy
| | - Elena De Vecchi
- IRCCS Istituto Ortopedico Galeazzi, Laboratory of Clinical Chemistry and Microbiology, Milan, Italy
| | - Luca Gavioli
- Interdisciplinary Laboratories for Advanced Materials Physics (i-LAMP), Dipartimento di Matematica e Fisica, Università Cattolica del Sacro Cuore, Via Musei, Brescia, Italy
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Carender CN, Sekar P, Prasidthrathsint K, DeMik DE, Brown TS, Bedard NA. Rates of Antimicrobial Resistance With Extended Oral Antibiotic Prophylaxis After Total Joint Arthroplasty. Arthroplast Today 2022; 18:112-118. [PMID: 36312888 PMCID: PMC9615136 DOI: 10.1016/j.artd.2022.09.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 09/06/2022] [Accepted: 09/12/2022] [Indexed: 11/05/2022] Open
Abstract
Background There is increased interest and utilization of extended oral antibiotic prophylaxis (EOAP) following primary and revision total hip arthroplasties (THAs) and total knee arthroplasties (TKAs). The purpose of this study was to look for potential associations between EOAP and differential rates of antimicrobial resistance or epidemiology of organisms causing periprosthetic joint infection (PJI) following primary and aseptic revision THAs/TKAs. Methods Patients who developed PJI following a primary or aseptic revision TKA/THA at a single institution from 2009 to 2020 were retrospectively identified. Patients who received at least 7 days of EOAP following the surgery were noted. Rates of antimicrobial resistance were compared between standard antibiotic prophylaxis and EOAP cohorts using the Fisher's exact test. Results One hundred twenty-eight cultures were obtained from 119 patients with PJI. Fourty-four cases (37%) developed PJI after EOAP. Staphylococcus aureus was the most frequently isolated organism (30% of all cultures; 78% were methicillin-sensitive). Rates of antimicrobial resistance were similar between standard antibiotic prophylaxis and EOAP cohorts in all but 2 instances: Increased resistance to erythromycin and trimethoprim-sulfamethoxazole was observed in coagulase-negative Staphylococci isolates in the EOAP cohort (89% vs 21%, P < .01; 44% vs 0%, P = .02). An increased frequency of gram-negative organisms was observed in the EOAP group (22% vs 8%, P = .03). Conclusions Rates of antimicrobial resistance were not significantly different between EOAP and standard antibiotic prophylaxis cohorts except in coagulase-negative Staphylococci. The increased frequency of gram-negative infections was present in the EOAP cohort. Larger, multicenter studies are needed to better understand the impact of EOAP on antimicrobial resistance and PJI epidemiology. Level of Evidence Level III; retrospective cohort study.
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Affiliation(s)
- Christopher N. Carender
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, IA, USA
| | - Poorani Sekar
- Division of Infectious Diseases, Department of Internal Medicine, University of Iowa Hospitals and Clinics, Iowa City, IA, USA
| | - Kunatum Prasidthrathsint
- Division of Infectious Diseases, Department of Internal Medicine, University of Iowa Hospitals and Clinics, Iowa City, IA, USA,Department of Pathology and Clinical Microbiology, University of Iowa Hospitals and Clinics, Iowa City, IA, USA
| | - David E. DeMik
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, IA, USA
| | - Timothy S. Brown
- Department of Orthopedic Surgery, Houston Methodist, Houston, TX, USA
| | - Nicholas A. Bedard
- Department of Orthopedic Surgery, Division of Hip and Knee Reconstruction, Mayo Clinic, Rochester, MN, USA,Corresponding author. Department of Orthopedic Surgery, Division of Hip and Knee Reconstruction, Mayo Clinic, 200 First Street SW, Rochester, MD 55905, USA. Tel.: +1 507 284 4896.
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13
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Depypere M, Sliepen J, Onsea J, Debaveye Y, Govaert GAM, IJpma FFA, Zimmerli W, Metsemakers WJ. The Microbiological Etiology of Fracture-Related Infection. Front Cell Infect Microbiol 2022; 12:934485. [PMID: 35873162 PMCID: PMC9300981 DOI: 10.3389/fcimb.2022.934485] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Accepted: 06/14/2022] [Indexed: 11/13/2022] Open
Abstract
Purpose Fracture-related infection (FRI) is an important complication related to orthopaedic trauma. Although the scientific interest with respect to the diagnosis and treatment of FRI is increasing, data on the microbiological epidemiology remains limited. Therefore, the primary aim of this study was to evaluate the microbiological epidemiology related to FRI, including the association with clinical symptoms and antimicrobial susceptibility data. The secondary aim was to analyze whether there was a relationship between the time to onset of infection and the microbiological etiology of FRI. Methods FRI patients treated at the University Hospitals of Leuven, Belgium, between January 1st 2015 and November 24th 2019 were evaluated retrospectively. The microbiological etiology and antimicrobial susceptibility data were analyzed. Patients were classified as having an early (<2 weeks after implantation), delayed (2-10 weeks) or late-onset (> 10 weeks) FRI. Results One hundred ninety-one patients with 194 FRIs, most frequently involving the tibia (23.7%) and femur (18.6%), were included. Staphylococcus aureus was the most frequently isolated pathogen, regardless of time to onset (n=61; 31.4%), followed by S. epidermidis (n=50; 25.8%) and non-epidermidis coagulase-negative staphylococci (n=35; 18.0%). Polymicrobial infections (n=49; 25.3%), mainly involving Gram negative bacilli (GNB) (n=32; 65.3%), were less common than monomicrobial infections (n=138; 71.1%). Virulent pathogens in monomicrobial FRIs were more likely to cause pus or purulent discharge (n=45;54.9%; p=0.002) and fistulas (n=21;25.6%; p=0.030). Susceptibility to piperacillin/tazobactam for GNB was 75.9%. Vancomycin covered 100% of Gram positive cocci. Conclusion This study revealed that in early FRIs, polymicrobial infections and infections including Enterobacterales and enterococcal species were more frequent. A time-based FRI classification is not meaningful to estimate the microbiological epidemiology and cannot be used to guide empiric antibiotic therapy. Large multicenter prospective studies are necessary to gain more insight into the added value of (broad) empirical antibiotic therapy.
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Affiliation(s)
- Melissa Depypere
- Department of laboratory medicine, University Hospitals Leuven, Leuven, Belgium
- Department of Microbiology, Immunology and Transplantation, Laboratory of Clinical Bacteriology and Mycology, KU Leuven, Leuven, Belgium
| | - Jonathan Sliepen
- Department of Trauma Surgery, University Medical Center Groningen, Groningen, Netherlands
| | - Jolien Onsea
- Department of Trauma Surgery, University Hospitals Leuven, Leuven, Belgium
- Department of Development and Regeneration, KU Leuven - University of Leuven, Leuven, Belgium
| | - Yves Debaveye
- Department of Intensive Care Medicine, University Hospitals Leuven, Leuven, Belgium
| | - Geertje A. M. Govaert
- Department of Trauma Surgery, University of Utrecht, University Medical Center Utrecht, Utrecht, Netherlands
| | - Frank F. A. IJpma
- Department of Trauma Surgery, University Medical Center Groningen, Groningen, Netherlands
| | - Werner Zimmerli
- Basel University Medical Clinic, Kantonsspital Baselland, Liestal, Switzerland
| | - Willem-Jan Metsemakers
- Department of Trauma Surgery, University Hospitals Leuven, Leuven, Belgium
- Department of Development and Regeneration, KU Leuven - University of Leuven, Leuven, Belgium
- *Correspondence: Willem-Jan Metsemakers,
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Romaru J, Limelette A, Lebrun D, Bonnet M, Garnier VV, N'Guyen Y. Fusidic acid in a tertiary hospital: an observational study focusing on prescriptions, tolerance and susceptibility of Staphylococcus and Cutibacterium spp. strains from bone samples. Eur J Clin Microbiol Infect Dis 2022; 41:1107-1113. [PMID: 35780283 DOI: 10.1007/s10096-022-04469-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Accepted: 06/22/2022] [Indexed: 11/25/2022]
Abstract
Adverse drug reactions of broad-spectrum fluoroquinolones or rifampicin are not uncommon during osteomyelitis and orthopaedic implant infections (OOII). Thus, we made an overview (i) of the prescription of fusidic acid (FA) and (ii) of FA susceptibility of Staphylococcus sp. and Cutibacterium sp. strains isolated from bone samples. All prescriptions of FA and all bone samples with positive culture for Staphylococcus sp. or Cutibacterium sp. (Reims University Hospital June 2017-May 2021) were included. All Staphylococcus aureus strains were considered as significant, whereas Coagulase-negative Staphylococcus and Cutibacterium spp. strains were not if these strains grew only on one sole sample. The antibiotic susceptibility of Staphylococcus sp. strains and the susceptibility to FA of Cutibacterium sp. strains had been determined using disk diffusion methods, as described for Staphylococcus sp. in the CASFM/EUCAST guidelines. The mean FA consumption was 0.6 daily defined doses/1000 patient days. FA was prescribed for OOII due to Staphylococcus sp. and Cutibacterium sp. in 24 and 2 cases, respectively. Among 401 Staphylococcus sp. strains, there were 254 S. aureus (63.3%), 84 methicillin-resistant (20.9%) and 333 FA-susceptible (83.0%) strains. S. aureus and methicillin-sensitive strains were more likely to be susceptible to FA (p < 0.001). Among 39 Cutibacterium sp. strains, the FA inhibition zone diameter geometric mean was 28.6 mm (24-35 mm), suggesting that all these strains could be considered as susceptible to FA. These data suggested that FA could be more frequently used in OOII due to Staphylococcus sp. and Cutibacterium sp., subject to the absence of other resistant bacteria.
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Affiliation(s)
- Juliette Romaru
- Service de Médecine Interne, Maladies Infectieuses Et Immunologie Clinique, Hôpital Robert Debré, Avenue du Général Koenig, 51100, Reims, France
| | - Anne Limelette
- Laboratoire de Bactériologie, Pôle de Biologie, 51100, Reims, France
| | - Delphine Lebrun
- Service d'Orthopédie, Hôpital Maison Blanche, 51100, Reims, France
| | - Morgane Bonnet
- Pharmacie Hospitalière, Hôpital Robert Debré, 51100, Reims, France
| | | | - Yohan N'Guyen
- Service de Médecine Interne, Maladies Infectieuses Et Immunologie Clinique, Hôpital Robert Debré, Avenue du Général Koenig, 51100, Reims, France.
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Anagnostakos K, Becker SL, Sahan I. Antifungal-Loaded Acrylic Bone Cement in the Treatment of Periprosthetic Hip and Knee Joint Infections: A Review. Antibiotics (Basel) 2022; 11:antibiotics11070879. [PMID: 35884133 PMCID: PMC9311527 DOI: 10.3390/antibiotics11070879] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 06/27/2022] [Accepted: 06/29/2022] [Indexed: 11/16/2022] Open
Abstract
Little is known about the clinical use of antifungal-loaded acrylic bone cement in the treatment of periprosthetic hip and knee joint infections (PJIs). Hence, we performed a literature search using PubMed/MEDLINE from inception until December 2021. Search terms were “cement” in combination with 13 antifungal agents. A total of 10 published reports were identified, which described 11 patients and 12 joints in which antifungal-loaded cement was employed. All studies were case reports or case series, and no randomized controlled trials were identified. In 6 of 11 patients, predisposing comorbidities regarding the emergence of a fungal PJI were present. The majority of the studies reported on infections caused by Candida species. In six cases (seven joints), the cement was solely impregnated with an antifungal, but no antibiotic agent (amphotericin B, voriconazole, and fluconazole). In the other five joints, the cement was impregnated with both antibiotic(s) and antifungals. Great discrepancies were seen regarding the exact loading dose. Four studies investigated the local elution of antifungal agents in the early postoperative period and observed a local release of antifungals in vivo. We conclude that there is a paucity of data pertaining to the clinical use of antifungal-loaded bone cement, and no studies have assessed the clinical efficacy of such procedures. Future studies are urgently required to evaluate this use of antifungals in PJI.
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Affiliation(s)
- Konstantinos Anagnostakos
- Zentrum für Orthopädie und Unfallchirurgie, Klinikum Saarbrücken, 66119 Saarbrücken, Germany;
- Correspondence:
| | - Sören L. Becker
- Institut für Medizinische Mikrobiologie und Hygiene, Universitätsklinikum des Saarlandes, 66421 Homburg, Germany;
| | - Ismail Sahan
- Zentrum für Orthopädie und Unfallchirurgie, Klinikum Saarbrücken, 66119 Saarbrücken, Germany;
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Abstract
Antimicrobial Resistance (AMR) has become a global threat to public health systems around the world in recent decades. In 2017, Italy was placed among the worst-performing nations in Europe by the European Centre for Disease Prevention and Control, due to worryingly high levels of AMR in Italian hospitals and regions. The aim of this systematic review was to investigate the state of the art of research on AMR in Italy over the last five years. The PubMed database was searched to identify studies presenting original data. Forty-three of the 9721 records identified were included. Overall, AMR rates ranged from 3% (in a group of sheep farmers) to 78% (in a hospital setting). The methods used to identify the microorganisms, to test their susceptibility and the criteria adopted for the breakpoint were deficient in 7, 7 and 11 studies, respectively. The main findings of our review were that most studies (79.1%) considered hospitalised patients only, 4 studies (9.3%) analysed non-hospitalised populations only. In addition, only 7 studies were multicentric and no scientific literature on the subject was produced in 7 Italian regions. In order to have a solid basis on the topic for the interventions of public health professionals and other stakeholders, studies analysing the phenomenon should be conducted in a methodologically standardised manner, should include all areas of the country and should also focus on out-of-hospital and community-based care and work settings.
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Stevoska S, Himmelbauer F, Stiftinger J, Stadler C, Gotterbarm T, Heyse TJ, Klasan A. Significant Difference in Antimicrobial Resistance of Coagulase Negative Periprosthetic Joint Infection in Septic Revision Total Knee Arthroplasty Between Two Major Orthopedic Centers. J Arthroplasty 2022; 37:S306-S312. [PMID: 35210149 DOI: 10.1016/j.arth.2021.11.017] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 10/22/2021] [Accepted: 11/09/2021] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND Antimicrobial resistance is recognized as a major public health threat. It occurs naturally; however, an excessive antibiotic use and misuse of antibiotics accelerate the process. Periprosthetic joint infections (PJI) are becoming harder to treat as the efficacy of antibiotics is becoming lower. The aim of this study was to compare the resistance of coagulase-negative staphylococci (CNS) to antibiotics identified after revision TKAs for PJI between two major orthopedic centers. METHODS A review of all revision TKAs, undertaken between 2006 and 2018 in two orthopedic centers, was performed, including all those meeting the consensus criteria for PJI, in which CNS were identified. There were no major differences in surgical approach and tissue sampling between both centers. Thirteen commonly used antibiotics were tested at both centers. RESULTS The 132 strains were analyzed for their resistance to 13 different antibiotics. Staphylococcus epidermidis was identified in 70.5% cultures, followed by Staphylococcus capitis in 8.3% cultures. The comparison of antibiotic resistance between two centers was statistically significant to penicillin (P = .001), oxacillin (P = .011), cefuroxime (P = .044), levofloxacin (P = .006), moxifloxacin (P = .008), tetracycline (P < .001), rifampicin (P < .001) and vancomycin (P < .001). The difference of resistance of CNS was not statistically significant to fosfomycin, clindamycin, teicoplanin, erythromycin and ampicillin. CONCLUSIONS The resistance of CNS to antibiotics differs significantly between two major orthopedic centers that are geographically fairly close. Monitoring of bacteriological analyses in each referral center should be continuously performed. Close monitoring is needed for more efficient antibiotic treatment of and prophylaxis against PJI.
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Affiliation(s)
- Stella Stevoska
- Kepler University Hospital and Johannes Kepler University Linz, Linz, Austria
| | - Felix Himmelbauer
- Kepler University Hospital and Johannes Kepler University Linz, Linz, Austria
| | - Julian Stiftinger
- Kepler University Hospital and Johannes Kepler University Linz, Linz, Austria
| | - Christian Stadler
- Kepler University Hospital and Johannes Kepler University Linz, Linz, Austria
| | - Tobias Gotterbarm
- Kepler University Hospital and Johannes Kepler University Linz, Linz, Austria
| | | | - Antonio Klasan
- Kepler University Hospital and Johannes Kepler University Linz, Linz, Austria
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Kwak JM, So SP, Jeon IH. Staged revision still works for chronic and deep infection of total elbow arthroplasty? SICOT J 2022; 8:21. [PMID: 35616598 PMCID: PMC9135019 DOI: 10.1051/sicotj/2022019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Accepted: 05/01/2022] [Indexed: 11/16/2022] Open
Abstract
Purpose: Infected total elbow arthroplasty (TEA) is challenging. We evaluate the clinical and radiologic outcomes for chronic and deep infection of TEA with two-stage revision surgery. Methods: A total of 10 elbows were included in the study. The mean age was 69.1 ± 15 years (range, 34–83 years). The mean follow-up was 62 (range, 24–108) months. The clinical outcomes were assessed using a visual analog scale (VAS), range of motion (ROM) arc, and Mayo elbow performance score (MEPS). Moreover, radiographic outcomes, time to revision, pathogenic bacteria, preoperative complications, and disease period were evaluated. Results: Mean preoperative VAS score of 6.1 had improved to 3.3. Mean preoperative ROM was 68° (flexion-extension), which improved to 86.7°. Mean preoperative MEPS was 46 (range, 0–70), which improved to 75.5 (range, 35–85). The mean disease duration was 8.4 months (range, 5–20 months). The most common causative organism was methicillin-resistant Staphylococcus aureus. The second revision rate was 80% at the final follow-up. Radiographic outcome at final follow-up showed that 3 (30%) of 10 patients exhibited radiolucency evidence around the components. Three patients showed nonprogressive radiolucency around the implant interfaces without other indications of infection at the most recent follow-up. Conclusion: In patients with chronic and deep infection of TEA, two-stage revision can be an affordable option for eradication of the infection, relieving pain, and restoring joint function. However, the high second revision rate owing to bone and soft-tissue deficits remains a critical issue. Level of evidence: Level IV, Case series, Treatment study
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Affiliation(s)
- Jae-Man Kwak
- Department of Orthopedic Surgery, Uijeongbu Eulji Medical Center, College of Medicine, Eulji University, Uijeongbu 11759, South Korea
| | - Sang-Pil So
- Department of Orthopedic Surgery, Asan Medical Center, College of Medicine, Ulsan University, Seoul 05505, South Korea
| | - In-Ho Jeon
- Department of Orthopedic Surgery, Asan Medical Center, College of Medicine, Ulsan University, Seoul 05505, South Korea
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Fritsche T, Schnetz M, Klug A, Fischer S, Ruckes C, Hunfeld KP, Hoffmann R, Gramlich Y. Tissue sampling is non-inferior in comparison to sonication in orthopedic revision surgery. Arch Orthop Trauma Surg 2022; 143:2901-2911. [PMID: 35612616 DOI: 10.1007/s00402-022-04469-3] [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: 01/04/2022] [Accepted: 04/24/2022] [Indexed: 02/07/2023]
Abstract
BACKGROUND The aim of this study was to assess the role of sonication fluid cultures in detecting musculoskeletal infections in orthopedic revision surgery in patients suspected of having peri-prosthetic joint infection (PJI), fracture-related infections (FRI), or postoperative spinal implant infections (PSII). METHODS Between 2016 and 2019, 149 cases with a data set including sonication fluid cultures and tissue specimen and histological analysis were included. Accuracy of each diagnostic tool as well as the influence of antibiotic therapy was analyzed. Pathogens identified in the sonication cultures and in the associated tissue samples were compared based on the matching of the antibiograms. Therapeutic benefits were then assessed. RESULTS Of 149 cases, 43.6% (n = 65) were identified as PJI, 2.7% (n = 4) as FRI, 12.8% (n = 19) as PSII, 6.7% (n = 10) as aseptic non-union, and 34.2% (n = 51) as aseptic implant loosening. The sensitivity and specificity of tissue and synovial specimens showed no significant difference with respect to sonication fluid cultures (sensitivity/specificity: tissue: 68.2%/96.7%; sonication fluid cultures: 60.2%/98.4%). The administration of antibiotics over 14 days prior to microbiological sampling (n = 40) resulted in a lower sensitivity of 42.9% each. Histological analysis showed a sensitivity 86.3% and specificity of 97.4%. In 83.9% (n = 125) of the cases, the results of sonication fluid cultures and tissue specimens were identical. Different microorganisms were found in only four cases. In 17 cases, tissue samples (n = 5) or sonication (n = 12) were false-negatives. CONCLUSION Sonication fluid culture showed no additional benefit compared to conventional microbiological diagnostics of tissue and synovial fluid cultures. Preoperative administration of antibiotics had a clearly negative effect on microbiologic test accuracy. In over 83.9% of the cases, sonication fluid and tissue cultures showed identical results. In the other cases, sonication fluid culture did not further contribute to the therapy decision, whereas other factors, such as fistulas, cell counts, or histological analysis, were decisive in determining therapy.
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Affiliation(s)
- Theresa Fritsche
- Department of Trauma and Orthopedic Surgery, Berufsgenossenschaftliche Unfallklinik Frankfurt am Main, Friedberger Landstr. 430, 60389, Frankfurt am Main, Germany
| | - Matthias Schnetz
- Department of Trauma and Orthopedic Surgery, Berufsgenossenschaftliche Unfallklinik Frankfurt am Main, Friedberger Landstr. 430, 60389, Frankfurt am Main, Germany
| | - Alexander Klug
- Department of Trauma and Orthopedic Surgery, Berufsgenossenschaftliche Unfallklinik Frankfurt am Main, Friedberger Landstr. 430, 60389, Frankfurt am Main, Germany
| | - Sebastian Fischer
- Department of Trauma and Orthopedic Surgery, Berufsgenossenschaftliche Unfallklinik Frankfurt am Main, Friedberger Landstr. 430, 60389, Frankfurt am Main, Germany
| | - Christian Ruckes
- Interdisciplinary Center for Clinical Studies, University Medical Center of the Johannes Gutenberg-University Mainz, Langenbeckstrasse 1, Mainz, Germany
| | - K P Hunfeld
- Institute of Laboratory Medicine, Microbiology and Infection Control, Northwest Medical Center, Medical Faculty Goethe University Frankfurt, Steinbacher Hohl 2-26, 60488, Frankfurt am Main, Germany
| | - Reinhard Hoffmann
- Department of Trauma and Orthopedic Surgery, Berufsgenossenschaftliche Unfallklinik Frankfurt am Main, Friedberger Landstr. 430, 60389, Frankfurt am Main, Germany
| | - Yves Gramlich
- Department of Trauma and Orthopedic Surgery, Berufsgenossenschaftliche Unfallklinik Frankfurt am Main, Friedberger Landstr. 430, 60389, Frankfurt am Main, Germany.
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Papalini C, Pucci G, Cenci G, Mencacci A, Francisci D, Caraffa A, Antinolfi P, Pasticci MB. Prosthetic joint infection diagnosis applying the three-level European Bone and Joint Infection Society (EBJIS) approach. Eur J Clin Microbiol Infect Dis 2022; 41:771-778. [PMID: 35318542 PMCID: PMC9033695 DOI: 10.1007/s10096-022-04410-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Accepted: 01/18/2022] [Indexed: 11/26/2022]
Abstract
Sensitive and specific tests for the diagnosis of prosthetic joint infection (PJI) are lacking. The aim of this study was to report clinical and microbiological findings of consecutive patients diagnosed with PJI at the University Hospital of Perugia, Perugia, Italy, and to validate these diagnoses utilizing the European Bone and Joint Infection Society (EBJIS) three-level diagnostic approach from 2021. Patients with a PJI diagnosis were included in this study and examined retrospectively. Overall, 133 patients were diagnosed with PJI: mean age 72 years, 54.9% female, and 55.6% with more than one comorbidity. The most frequent involved joints were hip 47% and knee 42%. Aetiology was identified in 88/133 (66.2%): staphylococci resulted the most frequent microorganisms and over 80% (45/54) resulted rifampin susceptible. Applying the EBJIS approach, PJI diagnosis resulted: confirmed in 101 (75.9%), likely in 25 (18.8%), and unlikely in 7 (5.3%). Likely PJIs aetiology was Staphylococcus aureus 11/25, coagulase-negative staphylococci 8/25, Streptococcus agalactiae 3/25, viridans group streptococci 2/25, and Pseudomonas aeruginosa 1/25. No statistically significant differences were detected among the three diagnosis groups with regard to clinical characteristics with the exception of a higher number of confirmed PJIs occurring < 3 months after implantation. The logistic regression analysis did not disclose any independent predictor of confirmed PJIs. We recommend using all the diagnostic tests available to approach PJI diagnosis, and suggest caution before rejecting PJI diagnosis in the presence of highly virulent microorganisms from a single sample, in patients without sinus tract, and in those receiving antimicrobial at the time microbiologic samples are collected. Study approved by Umbrian Regional Ethical Committee, Perugia, Italy, Prot. N. 23,124/21/ON of 10.27.2021.
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Affiliation(s)
- Chiara Papalini
- Infectious Diseases Clinic, Department of Medicine, University of Perugia, Santa Maria Della Misericordia Hospital, 06100, Perugia, Italy.
| | - Giacomo Pucci
- Internal Medicine, University of Perugia, Santa Maria Hospital, Terni, Italy
| | - Giulia Cenci
- Orthopedic Clinic, University of Perugia, Santa Maria Della Misericordia Hospital, Perugia, Italy
| | - Antonella Mencacci
- Microbiology Laboratory, University of Perugia, Santa Maria Della Misericordia Hospital, Perugia, Italy
| | - Daniela Francisci
- Infectious Diseases Clinic, Department of Medicine, University of Perugia, Santa Maria Della Misericordia Hospital, 06100, Perugia, Italy
| | - Auro Caraffa
- Orthopedic Clinic, University of Perugia, Santa Maria Della Misericordia Hospital, Perugia, Italy
| | - Pierluigi Antinolfi
- Orthopedic Clinic, University of Perugia, Santa Maria Della Misericordia Hospital, Perugia, Italy
| | - Maria Bruna Pasticci
- Infectious Diseases Clinic, University of Perugia, Santa Maria Hospital, Terni, Italy.
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21
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Koepf US, Scheidt S, Hischebeth GTR, Strassburg CP, Wirtz DC, Randau TM, Lutz P. Increased rate of enteric bacteria as cause of periprosthetic joint infections in patients with liver cirrhosis. BMC Infect Dis 2022; 22:389. [PMID: 35439971 PMCID: PMC9019970 DOI: 10.1186/s12879-022-07379-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Accepted: 04/08/2022] [Indexed: 11/12/2022] Open
Abstract
Introduction Periprosthetic joint infections (PJI) are a major complication in joint-arthroplasty. Rifampicin is often used as an additional agent to treat PJI, because it penetrates bacterial biofilms. However, rifaximin, belonging to the same antibiotic class as rifampicin, is frequently used to prevent episodes of hepatic encephalopathy in patients with cirrhosis and may induce resistance to rifampicin. The aim of this study was to examine the microbial pattern of periprosthetic joint infections in cirrhotic patients and to test the hypothesis that intake of rifaximin increases the rate of resistance to rifampicin in periprosthetic joint infections. Methods A cohort of cirrhotic patients and PJI (n = 25) was analysed on the characteristics of bacterial isolates from sonication and tissue analysis. In a second step a subgroup analysis on the development of rifampicin resistant bacterial specimens, depending on the intake of rifaximin (8 rifaximin intake patients vs. 13 non rifaximin intake patients) was performed. Results Intestinal bacteria were found in 50% of the specimens, which was significantly more frequent than in a control cohort. By comparison of the single bacterial isolates, rifampicin resistance was detected in 69.2% (9/13) of the rifaximin-intake samples. In contrast, the non-rifaximin-intake isolates only were resistant to rifampicin in 22.2% (4/18) of the cases (p = 0.01). The odds ratio for developing a rifampicin-resistance through rifaximin intake was calculated as OR = 13.5. Conclusion Periprosthetic joint infections have a high incidence of being caused by enteric bacteria in cirrhotic patients. Due to this change in microbial pattern and the innate resistance to rifampicin of most of gram-negative bacteria, the therapy with rifampicin should be carefully considered. The association between the use of rifaximin and developed resistance to rifampicin has a major impact on the treatment of PJI.
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Affiliation(s)
- Uta S Koepf
- Department of Internal Medicine I, University Hospital Bonn, Venusberg Campus 1, 53127, Bonn, Germany.
| | - Sebastian Scheidt
- Department of Orthopaedics and Traumatology, University Hospital Bonn, Bonn, Germany
| | - Gunnar T R Hischebeth
- Institute for Medical Microbiology, Immunology and Parasitology, University Hospital Bonn, Bonn, Germany
| | - Christian P Strassburg
- Department of Internal Medicine I, University Hospital Bonn, Venusberg Campus 1, 53127, Bonn, Germany
| | - Dieter C Wirtz
- Department of Orthopaedics and Traumatology, University Hospital Bonn, Bonn, Germany
| | - Thomas M Randau
- Department of Orthopaedics and Traumatology, University Hospital Bonn, Bonn, Germany
| | - Philipp Lutz
- Department of Internal Medicine I, University Hospital Bonn, Venusberg Campus 1, 53127, Bonn, Germany
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22
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Huzum B, Curpan AS, Puha B, Serban DN, Veliceasa B, Necoara RM, Alexa O, Serban IL. Connections between Orthopedic Conditions and Oxidative Stress: Current Perspective and the Possible Relevance of Other Factors, Such as Metabolic Implications, Antibiotic Resistance, and COVID-19. Medicina (B Aires) 2022; 58:medicina58030439. [PMID: 35334615 PMCID: PMC8951198 DOI: 10.3390/medicina58030439] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 03/06/2022] [Accepted: 03/10/2022] [Indexed: 12/15/2022] Open
Abstract
The general opinion in the literature is that these topics remain clearly understudied and underrated, with many unknown aspects and with controversial results in the respective areas of research. Based on the previous experience of our groups regarding such matters investigated separately, here we attempt a short overview upon their links. Thus, we summarize here the current state of knowledge regarding the connections between oxidative stress and: (a) orthopedic conditions; (b) COVID-19. We also present the reciprocal interferences among them. Oxidative stress is, of course, an interesting and continuously growing area, but what exactly is the impact of COVID-19 in orthopedic patients? In the current paper we also approached some theories on how oxidative stress, metabolism involvement, and even antibiotic resistance might be influenced by either orthopedic conditions or COVID-19. These manifestations could be relevant and of great interest in the context of this current global health threat; therefore, we summarize the current knowledge and/or the lack of sufficient evidence to support the interactions between these conditions.
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Affiliation(s)
- Bogdan Huzum
- Department of Orthopaedic and Traumatology, Faculty of Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (B.H.); (B.P.); (B.V.); (O.A.)
- Department of Physiology, Faculty of Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania;
| | - Alexandrina Stefania Curpan
- Department of Biology, Faculty of Biology, “Alexandru Ioan Cuza” University of Iasi, Carol I Avenue, 20A, 700554 Iasi, Romania
- Correspondence: (A.S.C.); (D.N.S.)
| | - Bogdan Puha
- Department of Orthopaedic and Traumatology, Faculty of Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (B.H.); (B.P.); (B.V.); (O.A.)
| | - Dragomir Nicolae Serban
- Department of Physiology, Faculty of Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania;
- Correspondence: (A.S.C.); (D.N.S.)
| | - Bogdan Veliceasa
- Department of Orthopaedic and Traumatology, Faculty of Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (B.H.); (B.P.); (B.V.); (O.A.)
| | - Riana Maria Necoara
- Radiology-Imaging Clinic, “Sf. Spiridon” Clinical Emergency Hospital, 700111 Iasi, Romania;
| | - Ovidiu Alexa
- Department of Orthopaedic and Traumatology, Faculty of Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (B.H.); (B.P.); (B.V.); (O.A.)
| | - Ionela Lacramioara Serban
- Department of Physiology, Faculty of Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania;
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23
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Stevoska S, Himmelbauer F, Stiftinger J, Stadler C, Pisecky L, Gotterbarm T, Klasan A. Significant Difference in Antimicrobial Resistance of Bacteria in Septic Revision between Total Knee Arthroplasty and Total Hip Arthroplasty. Antibiotics (Basel) 2022; 11:antibiotics11020249. [PMID: 35203849 PMCID: PMC8868429 DOI: 10.3390/antibiotics11020249] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2021] [Revised: 02/10/2022] [Accepted: 02/11/2022] [Indexed: 02/07/2023] Open
Abstract
Antimicrobial resistance (AMR) aggravates the already difficult treatment of periprosthetic joint infections (PJI). Due to many factors influencing AMR, the correct choice of antimicrobial management remains arguable. The primary purpose of this retrospective study was to identify and compare bacteria and their antibiotic resistance profile between septic revision total knee arthroplasty (TKA) and septic revision total hip arthroplasty (THA). A review of all revision TKAs and revision THAs, undertaken between 2007 and 2020 in a tertiary referral hospital, was performed. Included were cases meeting the consensus criteria for PJI, in which an organism has been identified. There were no major differences in tissue sampling between revision TKAs and revision THAs over time. A total of 228 bacterial strains, isolated after revision TKA and THA, were analysed for their resistance to 20 different antibiotics. There was a statistically significant higher occurrence of Gram-negative bacteria identified after revision THAs compared to TKA (p = 0.002). The comparison of antibiotic resistance between revision TKAs and revision THAs was statistically significant in 9 of 20 analysed antibiotics. This has implications for the choice of empirical antibiotic in revision surgery as well as prophylactic antibiotic in primary surgery, depending on the joint that is to be replaced.
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24
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Hao L, Wu Y, Zhang Y, Ma T, Weng P, Zhang B, Wang J, Pei Q. SdrG gene activated joint surface membrane protein PTPRJ to induce periprosthetic joint infection after total hip arthroplasty. J Clin Pharm Ther 2022; 47:517-522. [PMID: 35014055 DOI: 10.1111/jcpt.13573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 10/25/2021] [Accepted: 11/03/2021] [Indexed: 11/28/2022]
Abstract
WHAT IS KNOWN AND OBJECTIVE Up to now, no study focused on the role of SdrG in PJI after THA. To explore the mechanism of periprosthetic joint infection (PJI) after total hip arthroplasty (THA). METHODS Joint fluid and blood were collected from patients with PJI after THA, aseptic loosening of the joints or bacterial infection after traumatic fractures of the extremities alone. The expression of SdrG in the 3 groups was determined by agarose gel electrophoresis. The expression of protein tyrosine phosphatase receptor J (PTPRJ) was measured by immunohistochemistry method. The platelet adhesion rate was determined by biochemical analysis. The content of D-dimer, CRP and ESR in blood was determined by latex agglutination method. Multiple linear correlation analysis was used to analyse the correlation between PJI and the expression of PTPRJ protein, platelet adhesion rate, D-dimer content, CRP and ESR. RESULTS AND DISCUSSION The expression of SdrG and PTPRJ in PJI group was markedly increased compared to the other 2 groups. The platelet adhesion rate in PJI group was markedly larger compared to aseptic loosening and simple wound infection group, and the rate in simple wound infection group was larger than aseptic loosening group. The level of D-dimer, CRP and ESR in PJI group was higher than that of the other groups. The expression of PTPRJ protein, D-dimer content, CRP and ESR was all closely related to PJI, while platelet adhesion rate had no correlation with PJI. WHAT IS NEW AND CONCLUSION SDRG gene around joint prosthesis was over-expressed, which activated joint surface membrane protein PTPRJ and then induced platelet aggregation to reduce joint function.
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Affiliation(s)
- Linjie Hao
- Department of Joint Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Yanjie Wu
- Department of Joint Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Yumin Zhang
- Department of Joint Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Tao Ma
- Department of Joint Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Pengfei Weng
- Department of Joint Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Binfei Zhang
- Department of Joint Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Junwei Wang
- Department of Joint Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Qi Pei
- Department of Joint Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China
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25
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Gussago S, Elzi L, Arigoni M, Poroli Bastone C, Molina MN. Simultaneous Propionibacterium avidum and Propionibacterium acnes Chronic Periprosthetic Hip Joint Infection: A Case Report. Cureus 2021; 13:e20771. [PMID: 35111456 PMCID: PMC8794411 DOI: 10.7759/cureus.20771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/27/2021] [Indexed: 11/05/2022] Open
Abstract
Prosthetic hip joint replacement is considered the operation of the 20th century because of its wide diffusion and good outcome. More than 1 million prostheses are implanted worldwide annually. Although hip arthroplasty is considered a safe procedure, different complications can occur in relation with surgery. Periprosthesic joint infection is the most feared for its morbidity for the patients, and for the economic costs it generates. Most surgical site infections after hip arthroplasty are related to frequent germs as Staphylococci or Enterobacteriaceae, while Propionibacterium infections are more rare and often challenging in diagnosis and therapy. We report a case of a 77-year-old diabetic overweight male patient who developed a periprosthetic hip infection due to P. avidum and P. acnes after a mini-invasive direct anterior approach. To our knowledge, this represents the first case of chronic periprosthetic hip joint co-infection.
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26
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Tarity TD, Gkiatas I, Nocon AA, Jones CW, Carli AV, Sculco PK. Irrigation and Debridement With Implant Retention: Does Chronicity of Symptoms Matter? J Arthroplasty 2021; 36:3741-3749. [PMID: 34419314 DOI: 10.1016/j.arth.2021.07.018] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Revised: 06/28/2021] [Accepted: 07/29/2021] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND Periprosthetic joint infection (PJI) remains a rare, yet devastating complication of total joint arthroplasty (TJA). Chronic infection is generally considered a contraindication to debridement, antibiotics, and implant retention (DAIR); however, outcomes stratified by chronicity have not been well documented. METHODS A retrospective review of all DAIR cases performed at a single institution from 2008 to 2015 was performed. Chronicity of PJI was categorized as acute postoperative, chronic, or acute hematogenous. Failure after DAIR, defined as re-revision for infection recurrence with the same organism, was evaluated between the 3 chronicity groups at 90 days as well as at a minimum 2-year follow-up. RESULTS Overall, 248 patients undergoing DAIR for total hip arthroplasty or total knee arthroplasty PJI were included. Categorization of PJI was acute (acute postoperative) in 59 cases (24%), chronic in 54 (22%), and acute hematogenous in 135 (54%). DAIR survivorship was 47% (range 0.3-10 years). Overall, there were 118 (47.6%) treatment failures after DAIR with a minimum of 2-year follow-up. There was no difference in failure rate between total hip or total knee arthroplasty patients (P = .07). Patients infected with Staphylococcus conferred a higher risk of failure for all DAIR procedures regardless of chronicity category. CONCLUSION Identification of microbial species prior to undertaking DAIR may be more clinically relevant than stratification according to chronicity category when considering treatment options.
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Affiliation(s)
- T David Tarity
- Stavros Niarchos Complex Joint Reconstruction Center, Hospital for Special Surgery, New York, NY
| | - Ioannis Gkiatas
- Stavros Niarchos Complex Joint Reconstruction Center, Hospital for Special Surgery, New York, NY
| | - Allina A Nocon
- Stavros Niarchos Complex Joint Reconstruction Center, Hospital for Special Surgery, New York, NY
| | - Christopher W Jones
- Stavros Niarchos Complex Joint Reconstruction Center, Hospital for Special Surgery, New York, NY
| | - Alberto V Carli
- Stavros Niarchos Complex Joint Reconstruction Center, Hospital for Special Surgery, New York, NY
| | - Peter K Sculco
- Stavros Niarchos Complex Joint Reconstruction Center, Hospital for Special Surgery, New York, NY
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27
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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] [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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28
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Sebastian S, Sezgin EA, Stučinskas J, Tarasevičius Š, Liu Y, Raina DB, Tägil M, Lidgren L, W-Dahl A. Different microbial and resistance patterns in primary total knee arthroplasty infections - a report on 283 patients from Lithuania and Sweden. BMC Musculoskelet Disord 2021; 22:800. [PMID: 34535109 PMCID: PMC8449428 DOI: 10.1186/s12891-021-04689-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Accepted: 09/06/2021] [Indexed: 01/06/2023] Open
Abstract
Background The microbiology and the susceptibility patterns of infected total knee arthroplasties (TKAs) vary depending on demographic, local antimicrobial stewardship, and surgical factors. We wanted to compare the recent microbial profile and antimicrobial resistance pattern in revisions due to infections after primary TKAs in Sweden and Lithuania. Our hypothesis was that there is a difference in bacteriology and resistance pattern based on patient related, societal and local hospital factors as almost similar praxis have been applied for TKA surgery, short term systemic prophylaxis and routine use of local gentamicin containing bone cement. Methods Primary TKAs revised for the first time due to verified or suspected infection were collected nationwide in Sweden during 2018, and in Lithuania between 2011 and 2020 from a single major TKA revision centre in Kaunas. We identified 202 TKAs in Sweden from the Swedish Knee Arthroplasty Register and 84 from Kaunas revised due to infection. We collected available culture reports and evaluated the type of microorganisms with antimicrobial resistance pattern at revision. Results The majority of the infected cases in Sweden were early-type prosthetic joint infection (PJI) (44%), whereas late-type PJI (52%) were more common in the Kaunas cases. Gram-positive bacteria prevailed in both Sweden (55%) and Lithuania (80%). Staphylococcus aureus was the most frequent organism identified in both countries (33% in Sweden and 34% in Lithuania). More polymicrobial infections were observed in Sweden than in Lithuania (16 and 6% respectively). Methicillin resistance in Staphylococcus aureus and coagulase-negative staphylococci were higher in Lithuania (4/28 and 19/29) than in Sweden (1/42 and 9/41). Conclusions The type of infections, microbial profile, and drug resistance pattern differed between Sweden and Lithuania. Societal and local hospitals factors with emerging resistance in Lithuania are the most plausible explanation for the difference. Lack of complete data on a national level in Lithuania underlines the importance of adding microbiology of PJIs in implant registers for national aggregation and allow cross country comparisons. Supplementary Information The online version contains supplementary material available at 10.1186/s12891-021-04689-5.
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Affiliation(s)
- Sujeesh Sebastian
- Faculty of Medicine, Department of Clinical Sciences Lund, Orthopedics, Lund University, Lund, Sweden.
| | - Erdem Aras Sezgin
- Department of Orthopaedics & Traumatology, Aksaray University Training and Research Hospital, Aksaray, Turkey
| | - Justinas Stučinskas
- Department of Orthopedics & Traumatology, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Šarūnas Tarasevičius
- Department of Orthopedics & Traumatology, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Yang Liu
- Faculty of Medicine, Department of Clinical Sciences Lund, Orthopedics, Lund University, Lund, Sweden
| | - Deepak Bhushan Raina
- Faculty of Medicine, Department of Clinical Sciences Lund, Orthopedics, Lund University, Lund, Sweden
| | - Magnus Tägil
- Faculty of Medicine, Department of Clinical Sciences Lund, Orthopedics, Lund University, Lund, Sweden
| | - Lars Lidgren
- Faculty of Medicine, Department of Clinical Sciences Lund, Orthopedics, Lund University, Lund, Sweden
| | - Annette W-Dahl
- Faculty of Medicine, Department of Clinical Sciences Lund, Orthopedics, Lund University, Lund, Sweden
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29
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Anagnostakos K, Grzega C, Sahan I, Geipel U, Becker SL. Occurrence of Rare Pathogens at the Site of Periprosthetic Hip and Knee Joint Infections: A Retrospective, Single-Center Study. Antibiotics (Basel) 2021; 10:antibiotics10070882. [PMID: 34356802 PMCID: PMC8300814 DOI: 10.3390/antibiotics10070882] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Revised: 07/08/2021] [Accepted: 07/16/2021] [Indexed: 12/31/2022] Open
Abstract
The frequency and clinical relevance of rare pathogens at the site of periprosthetic infections of the hip and knee joint and their antibiotic resistance profiles have not yet been assessed in-depth. We retrospectively analyzed all periprosthetic hip and knee joint infections that occurred between 2016 and 2020 in a single center in southwest Germany. Among 165 infections, 9.7% were caused by rare microorganisms such as Veilonella sp., Pasteurella sp., Pantoea sp., Citrobacter koseri, Serratia marcescens, Parvimonas micra, Clostridium difficile, Finegoldia magna, Morganella morganii, and yeasts. No resistance to piperacillin/tazobactam, carbapenemes, fluoroquinolones, or gentamicin was observed. Some bacteria displayed resistance to ampicillin, ampicillin/sulbactam, and cefuroxime. We present follow-up data of patients with infections due to rare pathogens and discuss the importance of close, interdisciplinary collaboration between orthopedic surgeons and clinical microbiologists to carefully select the most appropriate anti-infective treatment regimens for the increasing number of patients with such infections.
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Affiliation(s)
- Konstantinos Anagnostakos
- Zentrum für Orthopädie und Unfallchirurgie, Klinikum Saarbrücken, 66119 Saarbrücken, Germany; (C.G.); (I.S.)
- Correspondence:
| | - Christoph Grzega
- Zentrum für Orthopädie und Unfallchirurgie, Klinikum Saarbrücken, 66119 Saarbrücken, Germany; (C.G.); (I.S.)
| | - Ismail Sahan
- Zentrum für Orthopädie und Unfallchirurgie, Klinikum Saarbrücken, 66119 Saarbrücken, Germany; (C.G.); (I.S.)
| | - Udo Geipel
- Bioscientia MVZ Saarbrücken GmbH, 66119 Saarbrücken, Germany;
| | - Sören L. Becker
- Institut für Medizinische Mikrobiologie und Hygiene, Universitätsklinikum des Saarlandes, 66421 Homburg/Saar, Germany;
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30
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Klasan A, Schermuksnies A, Gerber F, Bowman M, Fuchs-Winkelmann S, Heyse TJ. Development of antibiotic resistance in periprosthetic joint infection after total knee arthroplasty. Bone Joint J 2021; 103-B:171-176. [PMID: 34053285 DOI: 10.1302/0301-620x.103b6.bjj-2020-1923.r1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
AIMS The management of periprosthetic joint infection (PJI) after total knee arthroplasty (TKA) is challenging. The correct antibiotic management remains elusive due to differences in epidemiology and resistance between countries, and reports in the literature. Before the efficacy of surgical treatment is investigated, it is crucial to analyze the bacterial strains causing PJI, especially for patients in whom no organisms are grown. METHODS A review of all revision TKAs which were undertaken between 2006 and 2018 in a tertiary referral centre was performed, including all those meeting the consensus criteria for PJI, in which organisms were identified. Using a cluster analysis, three chronological time periods were created. We then evaluated the antibiotic resistance of the identified bacteria between these three clusters and the effectiveness of our antibiotic regime. RESULTS We identified 129 PJIs with 161 culture identified bacteria in 97 patients. Coagulase-negative staphylococci (CNS) were identified in 46.6% cultures, followed by Staphylococcus aureus in 19.8%. The overall resistance to antibiotics did not increase significantly during the study period (p = 0.454). However, CNS resistance to teicoplanin (p < 0.001), fosfomycin (p = 0.016), and tetracycline (p = 0.014) increased significantly. Vancomycin had an 84.4% overall sensitivity and 100% CNS sensitivity and was the most effective agent. CONCLUSION Although we were unable to show an overall increase in antibiotic resistance in organisms that cause PJI after TKA during the study period, this was not true for CNS. It is concerning that resistance of CNS to new antibiotics, but not vancomycin, has increased in a little more than a decade. Our findings suggest that referral centres should continuously monitor their bacteriological analyses, as these have significant implications for prophylactic treatment in both primary arthroplasty and revision arthroplasty for PJI. Cite this article: Bone Joint J 2021;103-B(6 Supple A):171-176.
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Affiliation(s)
- Antonio Klasan
- Department for Orthopaedics and Traumatology, Kepler University Hospital, Linz, Austria.,University Hospital Marburg, Marburg, Germany.,Johannes Kepler University Linz, Linz, Austria
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31
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Frank BJH, Aichmair A, Simon S, Schwarz GM, Dominkus M, Hofstaetter JG. Analysis of Culture Positive First and Second Stage Procedures in Periprosthetic Knee and Hip Joint Infections. J Arthroplasty 2021; 36:2158-2164. [PMID: 33608181 DOI: 10.1016/j.arth.2021.01.074] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 01/24/2021] [Accepted: 01/27/2021] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND A positive microbiological result at reimplantation may lead to a failed 2-stage revision arthroplasty in the treatment of periprosthetic joint infections. Little is known about changes in microbiological spectrum and resistance pattern between culture positive first and second stage procedures in revision knee and hip arthroplasty. METHODS Between January 2011 and December 2019, we performed 327 two-stage revision arthroplasties on 312 patients. There were 37 of 312 (11.9%) patients (20 hips/17 knees) who had a positive microbiological culture during the first and second stage procedure. We analyzed the microbiological spectrum, antimicrobial resistance pattern, and clinical outcome of culture positive first and second stage procedures as well as subsequent re-revisions. RESULTS Re-revision was necessary in 40.5% (15/37) of patients with culture positive first and second stage procedure at a median follow-up of 3.5 years. We found microbiological changes in 83.8% (31/37) of patients between the first and second stage and in 88.9% (8/9) between the second stage and subsequent culture positive re-revision. Polymicrobial infections were found in 21.6% (8/37) of first and in 16.2% (6/37) of second stage procedures. In 27% (10/37) of patients, microorganisms persisted between the first and second stage procedure. The antimicrobial resistance pattern changed in 60% of persistent microorganisms between the first and second stage procedure. CONCLUSION Changes in microbiological spectrum and resistance pattern are common between culture positive first and second stage procedures as well as subsequent re-revisions. This has to be considered in the antimicrobial treatment of periprosthetic joint infections.
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Affiliation(s)
- Bernhard J H Frank
- Michael Ogon Laboratory for Orthopaedic Research, Orthopaedic Hospital Vienna-Speising, Vienna, Austria
| | - Alexander Aichmair
- Michael Ogon Laboratory for Orthopaedic Research, Orthopaedic Hospital Vienna-Speising, Vienna, Austria; 2nd Department, Orthopaedic Hospital Vienna-Speising, Vienna, Austria
| | - Sebastian Simon
- Michael Ogon Laboratory for Orthopaedic Research, Orthopaedic Hospital Vienna-Speising, Vienna, Austria; 2nd Department, Orthopaedic Hospital Vienna-Speising, Vienna, Austria
| | - Gilbert M Schwarz
- Michael Ogon Laboratory for Orthopaedic Research, Orthopaedic Hospital Vienna-Speising, Vienna, Austria; Department of Orthopaedics and Trauma-Surgery, Medical University of Vienna, Vienna, Austria
| | - Martin Dominkus
- 2nd Department, Orthopaedic Hospital Vienna-Speising, Vienna, Austria; School of Medicine, Sigmund Freud University Vienna, Vienna, Austria
| | - Jochen G Hofstaetter
- Michael Ogon Laboratory for Orthopaedic Research, Orthopaedic Hospital Vienna-Speising, Vienna, Austria; 2nd Department, Orthopaedic Hospital Vienna-Speising, Vienna, Austria
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Bottagisio M, Bidossi A, Logoluso N, Pellegrini A, De Vecchi E. A spacer infection by Candida albicans secondary to a Staphylococcus capitis prosthetic joint infection: a case report. BMC Infect Dis 2021; 21:416. [PMID: 33947342 PMCID: PMC8094554 DOI: 10.1186/s12879-021-06113-8] [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: 01/14/2021] [Accepted: 04/23/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Prosthetic joint infection (PJI) is one of the most feared complications following total arthroplasty surgeries. Gram-positive bacteria are the most common microorganisms implicated in PJIs, while infections mediated by fungi only account for 1% of cases. When dealing with PJIs, a two-stage revision arthroplasty is widely used. Briefly, a spacer is introduced until re-implantation of the definitive prosthesis to provide skeleton stabilization while delivering antibiotics in the site of the infection. Sometimes, antimicrobial therapy may fail, but the isolation of a second microorganism from the spacer is uncommon and even less frequent that of a yeast. CASE PRESENTATION Here is described a case of a 75-year-old woman who underwent two-stage revision surgery of the left hip prosthesis secondary to a Staphylococcus capitis infection, whose spacer was found to be infected by Candida albicans at a later time. Briefly, the patient underwent revision surgery of the hip prosthesis for a suspected PJI. After the debridement of the infected tissue, an antibiotic-loaded spacer was implanted. The microbiological analysis of the periprosthetic tissues and the implant depicted a S. capitis infection that was treated according to the antimicrobial susceptibility profile of the clinical isolate. Three months later, the patient was admitted to the emergency room due to local inflammatory signs. Synovial fluid was sent to the laboratory for culture. No evidence of S. capitis was detected, however, a yeast was identified as Candida albicans. Fifteen days later, the patient was hospitalized for the removal of the infected spacer. Microbiological cultures confirmed the results of the synovial fluid analysis. According to the susceptibility profile, the patient was treated with fluconazole (400 mg/day) for 6 months. Seven months later, the patient underwent second-stage surgery. The microbiological tests on the spacer were all negative. After 12 months of follow-up, the patient has fully recovered and no radiological signs of infection have been detected. CONCLUSIONS Given the exceptionality of this complication, it is important to report these events to better understand the clinical outcomes after the selected therapeutic options to prevent and forestall the development of either bacterial or fungal spacer infections.
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Affiliation(s)
- Marta Bottagisio
- IRCCS Istituto Ortopedico Galeazzi, Laboratory of Clinical Chemistry and Microbiology, Via R. Galeazzi 4, 20161, Milan, Italy.
| | - Alessandro Bidossi
- IRCCS Istituto Ortopedico Galeazzi, Laboratory of Clinical Chemistry and Microbiology, Via R. Galeazzi 4, 20161, Milan, Italy
| | - Nicola Logoluso
- IRCCS Istituto Ortopedico Galeazzi, Chirurgia Ricostruttiva e delle Infezioni osteo-articolari (C.R.I.O), Via R. Galeazzi 4, 20161, Milan, Italy
| | - Antonio Pellegrini
- IRCCS Istituto Ortopedico Galeazzi, Chirurgia Ricostruttiva e delle Infezioni osteo-articolari (C.R.I.O), Via R. Galeazzi 4, 20161, Milan, Italy
| | - Elena De Vecchi
- IRCCS Istituto Ortopedico Galeazzi, Laboratory of Clinical Chemistry and Microbiology, Via R. Galeazzi 4, 20161, Milan, Italy
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Klasan A, Patel CK, Young SW. Intraosseous Regional Administration of Vancomycin in Primary Total Knee Arthroplasty Does Not Increase the Risk of Vancomycin-Associated Complications. J Arthroplasty 2021; 36:1633-1637. [PMID: 33468344 DOI: 10.1016/j.arth.2020.12.034] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 12/08/2020] [Accepted: 12/21/2020] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND Periprosthetic joint infection (PJI) after total knee arthroplasty (TKA) is a rare but major complication. Owing to an increasing antibiotic resistance in bacteria causing PJI, vancomycin has been investigated as a prophylactic agent. Intraosseous regional administration (IORA) of vancomycin achieves significantly higher local tissue concentrations than systemic administration. There are limited data on IORA of vancomycin with respect to vancomycin-associated complications. METHODS Single-surgeon retrospective review of primary TKA was performed between January 2015 and May 2019. All patients received 500 mg of IORA of vancomycin after tourniquet inflation and 3 × 1 g intravenous cefazolin in 24 hrs. Preoperative data collected included age, gender, body mass index, American Society of Anesthesiologists (ASA) score, diabetes, and chronic kidney disease (CKD). We documented in-hospital complications and complications requiring readmission within 12 months. Primary outcome measures were the incidence of acute kidney injury (AKI), 'red man syndrome' (RMS), and neutropenia. The secondary outcome measure was PJI incidence. RESULTS We identified 631 primary TKAs in 556 patients, of which 331 received IORA. The mean age was 67.7 ± 8.7 years, and 57.8% were women. CKD was prevalent in 17.2% of the cohort. AKI occurred in 25 (3.9%) cases. After controlling for covariates, CKD was the only significant predictor of AKI (odds ratio = 3.035, P = .023). RMS and neutropenia were not observed in this cohort. The 90-day PJI rate was 0%, and the 1-year PJI rate was 0.2%. CONCLUSIONS Low-dose IORA of vancomycin in addition to standard intravenous systemic cefazolin prophylaxis in TKA is safe without significant adverse effects of vancomycin such as AKI, RMS, or neutropenia.
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Affiliation(s)
- Antonio Klasan
- North Shore Hospital, Auckland, New Zealand; Department for Orthopaedics and Traumatology, Kepler University Hospital GmbH, Linz, Austria; Johannes Kepler University Linz, Linz, Austria
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Nagy M, Jakaraddi C, Neal T, Jackson R, Navin A, Davidson JS, Santini AJA. In vitro elution characteristics of gentamicin- and teicoplanin-loaded CMW1 and Palacos R bone cement. J Orthop 2021; 25:75-81. [PMID: 33935435 DOI: 10.1016/j.jor.2021.03.024] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Accepted: 03/28/2021] [Indexed: 10/21/2022] Open
Abstract
Purpose To compare the in vitro elution characteristics of CMW1 and Palacos R bone cement loaded with gentamicin, teicoplanin, or in combination. Methods Four bone cement discs were prepared for each cement type. Disc 1 contained no antibiotics; disc 2 contained 0.5 g gentamicin; disc 3 contained 2 g teicoplanin; disc 4 contained 0.5 g gentamicin and 2 g teicoplanin. Elution studies were conducted using a fluorescence polarisation immunoassay technique and performed at intervals of 6 weeks. Results For CMW1, gentamicin and teicoplanin elution levels in combination discs were higher than those in the single antibiotic discs (p < 0.001 & p < 0.06). For Palacos R, gentamicin elution levels in combination discs were higher than those in the single antibiotic discs (p < 0.001), but teicoplanin elution levels in combination discs were lesser than that from the single antibiotic discs (p < 0.02). In single and combination discs, gentamicin elution levels in Palacos R were higher than those in CMW1 (p < 0.001 & p < 0.001). Palacos R eluted more teicoplanin than CMW1, except in combined disc with gentamicin, when less teicoplanin was eluted. Conclusion Antibiotic elution is higher in Palacos R than CMW1. Antibiotic combination in both cement types has the synergistic effect of increasing antibiotic elution, except for teicoplanin from Palacos R. When high elution of gentamicin is required, Palacos R is preferable. When high elution of teicoplanin is required, Palacos R with only teicoplanin is superior to CMW1.
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Affiliation(s)
- M Nagy
- Lower Limb Arthroplasty Unit, Department of Trauma and Orthopaedic Surgery, Liverpool University Hospitals, Liverpool, UK
| | - C Jakaraddi
- Lower Limb Arthroplasty Unit, Department of Trauma and Orthopaedic Surgery, Liverpool University Hospitals, Liverpool, UK
| | - T Neal
- Department of Microbiology, Liverpool University Hospitals, Liverpool, UK
| | - R Jackson
- Liverpool Cancer Trial Centre, Statistical Department, University of Liverpool, UK
| | - A Navin
- Lower Limb Arthroplasty Unit, Department of Trauma and Orthopaedic Surgery, Liverpool University Hospitals, Liverpool, UK
| | - J S Davidson
- Lower Limb Arthroplasty Unit, Department of Trauma and Orthopaedic Surgery, Liverpool University Hospitals, Liverpool, UK
| | - A J A Santini
- Lower Limb Arthroplasty Unit, Department of Trauma and Orthopaedic Surgery, Liverpool University Hospitals, Liverpool, UK.,Faculty of Health and Life Sciences, University of Liverpool, UK
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van Hengel IAJ, Tierolf MWAM, Fratila-Apachitei LE, Apachitei I, Zadpoor AA. Antibacterial Titanium Implants Biofunctionalized by Plasma Electrolytic Oxidation with Silver, Zinc, and Copper: A Systematic Review. Int J Mol Sci 2021; 22:3800. [PMID: 33917615 PMCID: PMC8038786 DOI: 10.3390/ijms22073800] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 04/02/2021] [Accepted: 04/05/2021] [Indexed: 02/06/2023] Open
Abstract
Patients receiving orthopedic implants are at risk of implant-associated infections (IAI). A growing number of antibiotic-resistant bacteria threaten to hamper the treatment of IAI. The focus has, therefore, shifted towards the development of implants with intrinsic antibacterial activity to prevent the occurrence of infection. The use of Ag, Cu, and Zn has gained momentum as these elements display strong antibacterial behavior and target a wide spectrum of bacteria. In order to incorporate these elements into the surface of titanium-based bone implants, plasma electrolytic oxidation (PEO) has been widely investigated as a single-step process that can biofunctionalize these (highly porous) implant surfaces. Here, we present a systematic review of the studies published between 2009 until 2020 on the biomaterial properties, antibacterial behavior, and biocompatibility of titanium implants biofunctionalized by PEO using Ag, Cu, and Zn. We observed that 100% of surfaces bearing Ag (Ag-surfaces), 93% of surfaces bearing Cu (Cu-surfaces), 73% of surfaces bearing Zn (Zn-surfaces), and 100% of surfaces combining Ag, Cu, and Zn resulted in a significant (i.e., >50%) reduction of bacterial load, while 13% of Ag-surfaces, 10% of Cu-surfaces, and none of Zn or combined Ag, Cu, and Zn surfaces reported cytotoxicity against osteoblasts, stem cells, and immune cells. A majority of the studies investigated the antibacterial activity against S. aureus. Important areas for future research include the biofunctionalization of additively manufactured porous implants and surfaces combining Ag, Cu, and Zn. Furthermore, the antibacterial activity of such implants should be determined in assays focused on prevention, rather than the treatment of IAIs. These implants should be tested using appropriate in vivo bone infection models capable of assessing whether titanium implants biofunctionalized by PEO with Ag, Cu, and Zn can contribute to protect patients against IAI.
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Affiliation(s)
- Ingmar A. J. van Hengel
- Department of Biomechanical Engineering, Faculty of Mechanical, Maritime, and Materials Engineering, Delft University of Technology, 2628 CD Delft, The Netherlands; (M.W.A.M.T.); (L.E.F.-A.); (I.A.); (A.A.Z.)
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Anagnostakos K, Sahan I. Are Cement Spacers and Beads Loaded with the Correct Antibiotic(s) at the Site of Periprosthetic Hip and Knee Joint Infections? Antibiotics (Basel) 2021; 10:antibiotics10020143. [PMID: 33535704 PMCID: PMC7912871 DOI: 10.3390/antibiotics10020143] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 01/26/2021] [Accepted: 01/29/2021] [Indexed: 01/22/2023] Open
Abstract
The optimal impregnation of antibiotic-loaded bone cement in the treatment of periprosthetic hip and knee joint infection is unknown. It is also unclear, whether a suboptimal impregnation might be associated with a higher persistence of infection. A total of 93 patients (44 knee, 49 hip) were retrospectively evaluated, and the most common organism was a methicillin-resistant Staphylococcus epidermidis, followed by methicillin-susceptible Staphylococcus aureus. Of all the organisms, 37.1% were resistant against gentamicin and 54.2% against clindamycin. All organisms were susceptible against vancomycin. In 41 cases, gentamicin-loaded beads were inserted and in 52 cases, spacers: (2 loaded only with gentamicin, 18 with gentamicin + vancomycin, 19 with gentamicin + clindamycin, and 13 with gentamicin + vancomycin + clindamycin). The analysis of each antibiotic impregnation showed that complete susceptibility was present in 38.7% of the cases and partial susceptibility in 28%. In the remaining 33.3%, no precise statement can be made because either there was a culture-negative infection or the antibiotic(s) were not tested against the specific organism. At a mean follow-up of 27.9 months, treatment failure was observed in 6.7% of the cases. Independent of which antibiotic impregnation was used, when the organism was susceptible against the locally inserted antibiotics or not tested, reinfection or persistence of infection was observed in the great majority of cases. Future studies about the investigation of the optimal impregnation of antibiotic-loaded bone cement are welcome.
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The utility of dithiothreitol treatment of periprosthetic tissues and explanted implants in the diagnosis of prosthetic joint infection. Indian J Med Microbiol 2020; 39:179-183. [PMID: 33966858 DOI: 10.1016/j.ijmmb.2020.12.004] [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: 11/18/2020] [Accepted: 12/16/2020] [Indexed: 11/23/2022]
Abstract
PURPOSE The methods used for the processing of periprosthetic tissues and explanted implants to improve culture outcome especially in biofilm mediated prosthetic joint infections (PJIs) are still debated upon. Studies have reported that Dithiothreitol (DTT) pretreatment of infected devices gives similar results as sonication. However, none of them evaluated the DTT treatment of periprosthetic tissues and explanted implants in the same cohort. We evaluated the diagnostic utility of DTT treatment of periprosthetic tissue and explanted implants, as compared to the normal saline treatment of periprosthetic tissues and sonication of explanted implants for the diagnosis of PJI. METHODS Seventy-three revision arthroplasty cases were prospectively included in this study. Three to five tissue specimens and the explanted implants were collected from each patient. Periprosthetic tissue samples were processed by both normal saline and DTT treatments. Explanted implants were subjected to both DTT treatment and sonication. Musculoskeletal Infection Society (MSIS) PJI criteria was used as the reference standard for the diagnosis of PJI. RESULTS Of the 73 cases enrolled, 34 had PJI and 39 were aseptic failures. The sensitivity of DTT treated periprosthetic tissue culture (PTC) and saline treated PTC was similar (66.6% vs 58.8%, P = 0.25). The specificity of both was 100%. Sonication and DTT treatment of explanted implants showed comparable sensitivity (85.3% vs 82.4%) and specificity (100% vs 97.4%), P > 0.99. Compared to DTT treated PTC, culture of DTT treated explanted implants significantly improved the diagnosis of PJI (P = 0.03). CONCLUSIONS We could verify that DTT can be used to improve culture outcome in laboratories where biofilm detaching sonication techniques are not available for infected implants. In addition, we showed that it is possible to use DTT for treating tissue biopsies, but larger studies are required to confirm our findings.
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Bidossi A, Bottagisio M, Logoluso N, De Vecchi E. In Vitro Evaluation of Gentamicin or Vancomycin Containing Bone Graft Substitute in the Prevention of Orthopedic Implant-Related Infections. Int J Mol Sci 2020; 21:ijms21239250. [PMID: 33291550 PMCID: PMC7729858 DOI: 10.3390/ijms21239250] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Revised: 12/01/2020] [Accepted: 12/02/2020] [Indexed: 12/14/2022] Open
Abstract
Antibiotic-loaded bone graft substitutes are attractive clinical options and have been used for years either for prophylaxis or therapy for periprosthetic and fracture-related infections. Calcium sulfate and hydroxyapatite can be combined in an injectable and moldable bone graft substitute that provides dead space management with local release of high concentrations of antibiotics in a one-stage approach. With the aim to test preventive strategies against bone infections, a commercial hydroxyapatite/calcium sulfate bone graft substitute containing either gentamicin or vancomycin was tested against Staphylococcus aureus, Staphylococcus epidermidis and Pseudomonas aeruginosa, harboring different resistance determinants. The prevention of bacterial colonization and biofilm development by selected microorganisms was investigated along with the capability of the eluted antibiotics to select for antibiotic resistance. The addition of antibiotics drastically affected the ability of the selected strains to adhere to the tested compound. Furthermore, both the antibiotics eluted by the bone graft substitutes were able to negatively impair the biofilm maturation of all the staphylococcal strains. As expected, P. aeruginosa was significantly affected only by the gentamicin containing bone graft substitutes. Finally, the prolonged exposure to antibiotic-containing sulfate/hydroxyapatite discs did not lead to any stable or transient adaptations in either of the tested bacterial strains. No signs of the development of antibiotic resistance were found, which confirms the safety of this strategy for the prevention of infection in orthopedic surgery.
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Affiliation(s)
- Alessandro Bidossi
- IRCCS Istituto Ortopedico Galeazzi, Laboratory of Clinical Chemistry and Microbiology, 20161 Milan, Italy; (A.B.); (E.D.V.)
| | - Marta Bottagisio
- IRCCS Istituto Ortopedico Galeazzi, Laboratory of Clinical Chemistry and Microbiology, 20161 Milan, Italy; (A.B.); (E.D.V.)
- Correspondence: ; Tel.: +39-02-6621-4886
| | - Nicola Logoluso
- IRCCS Istituto Ortopedico Galeazzi, Department of Reconstructive Surgery of Osteo-Articular Infections C.R.I.O. Unit, 20161 Milan, Italy;
| | - Elena De Vecchi
- IRCCS Istituto Ortopedico Galeazzi, Laboratory of Clinical Chemistry and Microbiology, 20161 Milan, Italy; (A.B.); (E.D.V.)
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Budge MD, Koch JA, Mandell JB, Cappellini AJ, Orr S, Patel S, Ma D, Nourie O, Brothers KM, Urish KL. The In Vitro Efficacy of Doxycycline over Vancomycin and Penicillin in the Elimination of Cutibacterium Acnes Biofilm. ANTIMICROBIAL COMBINATION DEVICES 2020; STP1630:53-64. [PMID: 35529525 PMCID: PMC9070841 DOI: 10.1520/stp163020200019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Cutibacterium acnes (formerly Propionibacterium acnes) is a significant pathogen in periprosthetic joint infections (PJIs) in total shoulder arthroplasty. Poor outcomes seen in PJIs are due to the established C. acnes bacterial biofilms. The prolonged nature of C. acnes infections makes them difficult to treat with antibiotics. The goal of this study was to determine the relative efficacy of vancomycin compared with penicillin and doxycycline against planktonic and mature biofilms. Clinical isolates from PJI patients as well as a laboratory strain of C. acnes were tested. Planktonic minimum inhibitory concentrations (MICs) and minimum bactericidal concentrations (MBCs) were obtained using modified clinical laboratory standard index assays. Biofilm MICs and MBCs were also obtained. The MIC was determined for both using the PrestoBlue viability stain. The MBC was determined using differential reinforced clostridial medium agar plates for colony-forming unit analysis. Using the PrestoBlue viability reagent, the planktonic MIC values for vancomycin were significantly higher than doxycycline. Across 10 strains of C. acnes, all three antibiotics had decreased efficacy when comparing planktonic and biofilm cultures. Although effective antibiotic doses ranged from 1 to 1,000 μg/mL, only doxycycline achieved inhibitory and bactericidal concentrations in all tested strains. Penicillin failed to achieve the minimum biofilm inhibitory concentration (MBIC) in 60% of tested strains, whereas vancomycin failed in 80% of tested strains. Penicillin, doxycycline, and vancomycin have similar abilities in inhibiting C. acnes growth planktonically. The MBIC for doxycycline was within the clinical dosing range, suggesting C. acnes biofilm offers minimal tolerance to these antibiotics. The MBIC for penicillin was within clinical dosing ranges in only 60% of trials, suggesting the relative tolerance of C. acnes to penicillin. The minimum biofilm bactericidal concentration (MBBC) of doxycycline showed efficacy in 90% of trials, whereas penicillin and vancomycin achieved MBBC in 15% of samples.
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Affiliation(s)
- Matthew D Budge
- NW Perrnanente, 5125 Skyline Rd. S., Salem, OR 97306-9427, USA
| | - John A Koch
- NW Perrnanente, 5125 Skyline Rd. S., Salem, OR 97306-9427, USA
- Arthritis and Arthroplasty Design Group, Dept. of Orthopaedic Surgery, 100 Technology Dr., Pittsburgh, PA 15219, USA
| | - Jonathan B Mandell
- Arthritis and Arthroplasty Design Group, Dept. of Orthopaedic Surgery, 100 Technology Dr., Pittsburgh, PA 15219, USA
| | - Alex J Cappellini
- Arthritis and Arthroplasty Design Group, Dept. of Orthopaedic Surgery, 100 Technology Dr., Pittsburgh, PA 15219, USA
| | - Sara Orr
- Arthritis and Arthroplasty Design Group, Dept. of Orthopaedic Surgery, 100 Technology Dr., Pittsburgh, PA 15219, USA
| | - Samik Patel
- Arthritis and Arthroplasty Design Group, Dept. of Orthopaedic Surgery, 100 Technology Dr., Pittsburgh, PA 15219, USA
| | - Dongzhu Ma
- Arthritis and Arthroplasty Design Group, Dept. of Orthopaedic Surgery, 100 Technology Dr., Pittsburgh, PA 15219, USA
| | - Olivia Nourie
- NW Perrnanente, 5125 Skyline Rd. S., Salem, OR 97306-9427, USA
| | - Kimberly M Brothers
- Arthritis and Arthroplasty Design Group, Dept. of Orthopaedic Surgery, 100 Technology Dr., Pittsburgh, PA 15219, USA
| | - Kenneth L Urish
- Arthritis and Arthroplasty Design Group, The Bone and Joint Center, MageeWomens Hospital of the University of Pittsburgh Medical Center, 300 Halket St., Pittsburgh, PA 15213, USA; and Dept. of Orthopaedic Surgery, Dept. of Bioengineering, and Clinical and Translational Science Institute, University of Pittsburgh, 100 Technology Dr., Pittsburgh, PA 15219, USA
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Tonotsuka H, Sugiyama H, Tanaka D, Ito T, Amagami A, Yonemoto K, Sato R, Saito M, Marumo K. Can sterility of stripped iodophor-impregnated plastic adhesive drape be maintained at the time of incision closure in total hip arthroplasty? ACTA ORTHOPAEDICA ET TRAUMATOLOGICA TURCICA 2020; 54:587-590. [PMID: 33423989 DOI: 10.5152/j.aott.2020.19084] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
OBJECTIVE The aim of this study was to analyze the contamination rates of the skin under the iodophor-impregnated plastic adhesive drape (IOD) at the time of incision closure in total hip arthroplasty (THA). METHODS A total of 225 patients undergoing primary THA (28 men, 197 women; mean age=65 years; age range=30-85) were included in this study. After asepsis using a solution of 1% chlorhexidine with 83% alcohol by volume, the surgical site was painted with a 10% povidone-iodine solution, and IOD was attached tautly at the start of surgery. Swabs of the surgical site were collected as follows: swab A from the skin before IOD application, swab B from the surface of the IOD at the time of incision closure, and swab C from the skin after peeling back the IOD. The obtained samples were promptly sent for microbiological analysis. The contamination rate was determined for swabs A, B, and C, and the contamination rate of swab C was compared with that of swabs A and B, and the bacterial species were identified. RESULTS Positive cultures were seen in 8 cases (3.6%) for swab A, 10 cases (4.4%) for swab B, and 22 cases (9.8%) for swab C. The contamination rate of swab C was significantly higher than that of swabs A (p=0.008) and B (p=0.028). Coagulase-negative Staphylococcus (n=10) and Cutibacterium acnes (n=7) were the most frequently cultured microorganisms from swab C. CONCLUSION In THA, the contamination rate of the skin after peeling off the IOD before incision closure was higher than that of the skin immediately after sterilization with povidone-iodine and higher than that on the IOD at the time of incision closure. The detected bacterial species were considered clinically significant pathogens. Preventive measures against infection, such as minimizing stripping of the IOD or re-sterilizing bare skin after IOD stripping, should be instituted in consideration of these findings when performing THA using IOD.
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Affiliation(s)
- Hisahiro Tonotsuka
- Clinic of Orthopaedic Surgery, Kanagawa Rehabilitation Hospital, Kanagawa, Japan;Department of Orthopaedic Surgery, The Jikei University, School of Medicine, Tokyo, Japan
| | - Hajime Sugiyama
- Clinic of Orthopaedic Surgery, Kanagawa Rehabilitation Hospital, Kanagawa, Japan;Department of Orthopaedic Surgery, The Jikei University, School of Medicine, Tokyo, Japan
| | - Daisuke Tanaka
- Clinic of Orthopaedic Surgery, Kanagawa Rehabilitation Hospital, Kanagawa, Japan;Department of Orthopaedic Surgery, The Jikei University, School of Medicine, Tokyo, Japan
| | - Tatsuto Ito
- Clinic of Orthopaedic Surgery, Kanagawa Rehabilitation Hospital, Kanagawa, Japan
| | - Ayano Amagami
- Clinic of Orthopaedic Surgery, Kanagawa Rehabilitation Hospital, Kanagawa, Japan
| | - Keigo Yonemoto
- Clinic of Orthopaedic Surgery, Kanagawa Rehabilitation Hospital, Kanagawa, Japan;Department of Orthopaedic Surgery, The Jikei University, School of Medicine, Tokyo, Japan
| | - Ryuichi Sato
- Clinic of Orthopaedic Surgery, Kanagawa Rehabilitation Hospital, Kanagawa, Japan;Department of Orthopaedic Surgery, The Jikei University, School of Medicine, Tokyo, Japan
| | - Mitsuru Saito
- Department of Orthopaedic Surgery, The Jikei University, School of Medicine, Tokyo, Japan
| | - Keishi Marumo
- Department of Orthopaedic Surgery, The Jikei University, School of Medicine, Tokyo, Japan
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Theil C, Schmidt-Braekling T, Gosheger G, Schwarze J, Dieckmann R, Schneider KN, Möllenbeck B. Clinical use of linezolid in periprosthetic joint infections - a systematic review. J Bone Jt Infect 2020; 6:7-16. [PMID: 32983842 PMCID: PMC7517662 DOI: 10.5194/jbji-6-7-2020] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Accepted: 06/20/2020] [Indexed: 01/09/2023] Open
Abstract
Introduction: The most common causative organism in periprosthetic joint
infections (PJIs) is Gram-positive bacteria that are increasingly drug
resistant. In these cases the use of linezolid may be warranted. However,
there are conflicting reports regarding its role in antibiotic treatment of
PJIs. The aim of this review is to gather and analyze clinical results and
treatment details on linezolid in patients with PJIs.
Methods: In August 2019, a comprehensive literature search using MEDLINE
(Pubmed and Ovid) and Cochrane Library was performed. A total of 504 records
were screened, and a total of 16 studies including 372 patients treated with
linezolid for a PJI were included in this review based on the PRISMA
criteria and after quality analysis using the MINOR score and Newcastle–Ottawa
scale, as well as assessing level of evidence. Pooling analysis as well as
descriptive analysis was performed.
Results: Based on the results from the studies included, infection control
was achieved in 80 % (range 30 %–100 %) of patients after a mean follow-up
period of 25 (range 2–66) months. The mean duration of treatment was 58 d
intravenous and orally at a median dose of 600 mg bis in die (b.i.d.)
(range 400–900 b.i.d.). A combination therapy with rifampicin was used in
53 % of patients. MRSA (methicillin-resistant Staphylococcus aureus) infections were present in
29 % and resistant CoNS (coagulase-negative Staphylococcus) in 46 %. Adverse effects
occurred in 33 % of cases, mostly anemia, thrombocytopenia and
gastrointestinal complaints leading to treatment discontinuation in 9 %.
However, great heterogeneity was found with respect to surgical treatment,
diagnosis of infection and indication for linezolid.
Discussion: Linezolid is an appropriate option for treatment of resistant
Gram-positive organisms in PJIs. Most commonly 600 mg b.i.d. is used, and a
combination with rifampicin appears feasible although one must consider
individual increases in doses in these cases. However, adverse effects are
common and there are limited data for long-term use and optimal antibiotic
combinations or individual doses.
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Affiliation(s)
- Christoph Theil
- Department of Orthopedics and Tumor Orthopedics, Muenster University Hospital, Albert-Schweitzer-Campus 1, 48149, Münster, Germany
| | - Tom Schmidt-Braekling
- Department of Orthopedics and Tumor Orthopedics, Muenster University Hospital, Albert-Schweitzer-Campus 1, 48149, Münster, Germany
| | - Georg Gosheger
- Department of Orthopedics and Tumor Orthopedics, Muenster University Hospital, Albert-Schweitzer-Campus 1, 48149, Münster, Germany
| | - Jan Schwarze
- Department of Orthopedics and Tumor Orthopedics, Muenster University Hospital, Albert-Schweitzer-Campus 1, 48149, Münster, Germany
| | - Ralf Dieckmann
- Department of Orthopedics and Tumor Orthopedics, Muenster University Hospital, Albert-Schweitzer-Campus 1, 48149, Münster, Germany
| | - Kristian Nikolaus Schneider
- Department of Orthopedics and Tumor Orthopedics, Muenster University Hospital, Albert-Schweitzer-Campus 1, 48149, Münster, Germany
| | - Burkhard Möllenbeck
- Department of Orthopedics and Tumor Orthopedics, Muenster University Hospital, Albert-Schweitzer-Campus 1, 48149, Münster, Germany
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Bidossi A, Bottagisio M, Savadori P, De Vecchi E. Identification and Characterization of Planktonic Biofilm-Like Aggregates in Infected Synovial Fluids From Joint Infections. Front Microbiol 2020; 11:1368. [PMID: 32714301 PMCID: PMC7344156 DOI: 10.3389/fmicb.2020.01368] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Accepted: 05/27/2020] [Indexed: 01/10/2023] Open
Abstract
Recent in vitro studies reported the exceptional ability of some bacterial species to form biofilm-like aggregates in human and animal synovial fluids (SF), but evidences from infected clinical samples are still lacking. In this study, we investigated whether this bacterial phenotype was present in infected SFs collected from joint infections and if it was maintained in in vitro settings. SFs sent for culture to the Laboratory of Microbiology of our institute were directly analyzed by means of confocal laser scanning microscopy (CLSM), and the infective agents were isolated for further in vitro tests. Moreover, sterile SF was collected from patients who did not receive previous antibiotic therapy to investigate the formation of bacterial aggregates, together with biofilm and matrix production on a titanium surface. Finally, antibiotic susceptibility studies were performed by using bovine SF. Four Staphylococcus aureus, one Staphylococcus lugdunensis, and one Prevotella bivia strain were identified in the infected SFs. The CLSM analysis showed that all staphylococci were present as a mixture of single cells and bacterial clumps surrounded by an exopolymeric substance, which comprised SF-derived fibrin, while all P. bivia cells appeared separated. Despite that, differences in the ability to aggregate between S. aureus and S. lugdunensis were observed in clinical SFs. These different phenotypes were further confirmed by in vitro growth, even though the application of such ex vivo approach lead all staphylococci to form exceptionally large microbial aggregates, which are several folds bigger than those observed in clinical samples. Planktonic aggregates challenged for antibiotic susceptibility revealed a sharp increase of recalcitrance to the treatments. Although this is still at a preliminary stage, the present work confirmed the ability of staphylococci to form free-floating biofilm-like aggregates in infected SF from patients with joint infections. Furthermore, the obtained results pointed out that future in vitro research on joint infections will benefit from the use of human- or animal-derived SF. Even though this approach should be carefully validated in further studies comprising a larger microbial population, these findings pose new challenges in the treatment of infected native and prosthetic joints and for the approach to new investigations.
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Affiliation(s)
- Alessandro Bidossi
- Laboratory of Clinical Chemistry and Microbiology, IRCCS Istituto Ortopedico Galeazzi, Milan, Italy
| | - Marta Bottagisio
- Laboratory of Clinical Chemistry and Microbiology, IRCCS Istituto Ortopedico Galeazzi, Milan, Italy
| | - Paolo Savadori
- Department of Endodontics, IRCCS Istituto Ortopedico Galeazzi, Milan, Italy
| | - Elena De Vecchi
- Laboratory of Clinical Chemistry and Microbiology, IRCCS Istituto Ortopedico Galeazzi, Milan, Italy
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Carli AV, Miller AO, Kapadia M, Chiu YF, Westrich GH, Brause BD, Henry MW. Assessing the Role of Daptomycin as Antibiotic Therapy for Staphylococcal Prosthetic Joint Infection. J Bone Jt Infect 2020; 5:82-88. [PMID: 32455098 PMCID: PMC7242404 DOI: 10.7150/jbji.41278] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Accepted: 02/21/2020] [Indexed: 01/02/2023] Open
Abstract
Background: The role of daptomycin, a potent, safe, convenient anti-staphylococcal antibiotic, in treatment of prosthetic joint infection (PJI) is unclear. We evaluated our experience with the largest cohort of patients with staphylococcal PJI managed with daptomycin. Methods: A cohort of staphylococcal hip and knee PJI treated with daptomycin was identified by hospital records from 2009 to 2016. All cases met Musculoskeletal Infection Society International Consensus criteria for PJI. The primary endpoint was 2 year prosthesis retention. Univariate analyses and regression statistics were calculated. Results: 341 patients with staphylococcal PJI were analyzed. 154 two-stages (77%) and 74 DAIR procedures (52%) met criteria for treatment success at 2 years. 77 patients were treated with daptomycin, of which 34 two-stages (68%) and 15 DAIRs (56%) achieved treatment success. Pairwise and regression analysis found no association between treatment success and daptomycin use. Organism (DAIR only) and Charlson Comorbidity Index scores (DAIR and two-stage) were significantly associated with treatment outcome. Six daptomycin patients (7.8%) had adverse side effects. Discussion: Daptomycin fared no better or worse than comparable antibiotics in a retrospective cohort of staphylococcal hip and knee PJI patients, regardless of surgical strategy. Conclusion: The convenient dosing, safety, and potency of daptomycin make it an attractive antibiotic for staphylococcal PJI. However, these advantages must be weighed against higher costs and rare, but serious side effects.
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Affiliation(s)
- Alberto V. Carli
- Hospital for Special Surgery, Division of Adult Reconstruction & Joint Replacement, 535 East 70th Street, New York, NY 10065, USA
| | - Andy O. Miller
- Hospital for Special Surgery, Infectious Disease Division, 535 East 70th Street, New York, NY 10065, USA
| | - Milan Kapadia
- Hospital for Special Surgery, Infectious Disease Division, 535 East 70th Street, New York, NY 10065, USA
| | - Yu-fen Chiu
- Hospital for Special Surgery, Division of Adult Reconstruction & Joint Replacement, 535 East 70th Street, New York, NY 10065, USA
| | - Geoffrey H. Westrich
- Hospital for Special Surgery, Division of Adult Reconstruction & Joint Replacement, 535 East 70th Street, New York, NY 10065, USA
| | - Barry D. Brause
- Hospital for Special Surgery, Infectious Disease Division, 535 East 70th Street, New York, NY 10065, USA
| | - Michael W. Henry
- Hospital for Special Surgery, Infectious Disease Division, 535 East 70th Street, New York, NY 10065, USA
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Bidossi A, Bottagisio M, De Grandi R, De Vecchi E. Ability of adhesion and biofilm formation of pathogens of periprosthetic joint infections on titanium-niobium nitride (TiNbN) ceramic coatings. J Orthop Surg Res 2020; 15:90. [PMID: 32131862 PMCID: PMC7057644 DOI: 10.1186/s13018-020-01613-w] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Accepted: 02/20/2020] [Indexed: 02/07/2023] Open
Abstract
Background Orthopedic metal implants are notoriously associated with release of metallic ions able to cause biological adverse reactions which might lead to implant loosening and failure. To limit any possible adverse reactions, ceramic coatings for orthopedic metal implants have been introduced. However, information regarding the interaction of these coatings with microbes responsible for periprosthetic joint infections (PJIs) is lacking. Hence, the aim of the present in vitro study is to assess the microbial affinity to a titanium-niobium nitride (TiNbN) coating. Methods Adhesion and biofilm formation of clinical isolates of Staphylococcus aureus, Staphylococcus epidermidis, Pseudomonas aeruginosa, and Cutibacterium acnes were assessed on TiNbN-coated titanium discs in comparison with uncoated titanium and cobalt-chrome alloys discs, with either smooth or rough surfaces. Bacterial adhesion was performed by counting adhered bacteria in the first hours of incubation, and the biofilm formation was performed by means of a spectrophotometric assay and by confocal laser scan microscopy after 72 hours of incubation. Results Overall, Staphylococcus aureus and Staphylococcus epidermidis, among the most common bacteria responsible for PJIs, displayed a significantly decreased attachment in the first hours of contact and, when cultured in presence of TiNbN coating, in comparison with CoCrMo. Biofilm formation of the four tested strains was comparable on all alloys. Conclusions Although the onset of a PJI is more complex than in an in vitro scenario, these findings suggest that TiNbN-coated orthopedic implants do not increase PJIs risk while ameliorating tribological and surface properties could represent a valid choice to limit possible complications such as metal hypersensitivity.
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Affiliation(s)
- Alessandro Bidossi
- IRCCS Orthopedic Institute Galeazzi, Laboratory of Clinical Chemistry and Microbiology, Via R. Galeazzi, 20161, Milan, Italy.
| | - Marta Bottagisio
- IRCCS Orthopedic Institute Galeazzi, Laboratory of Clinical Chemistry and Microbiology, Via R. Galeazzi, 20161, Milan, Italy
| | - Roberta De Grandi
- IRCCS Orthopedic Institute Galeazzi, Laboratory of Clinical Chemistry and Microbiology, Via R. Galeazzi, 20161, Milan, Italy
| | - Elena De Vecchi
- IRCCS Orthopedic Institute Galeazzi, Laboratory of Clinical Chemistry and Microbiology, Via R. Galeazzi, 20161, Milan, Italy
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Epidemiology and microbiology of prosthetic joint infections: a nine-year, single-center experience in Pavia, Northern Italy. Musculoskelet Surg 2020; 105:195-200. [PMID: 31993973 DOI: 10.1007/s12306-020-00638-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2019] [Accepted: 01/22/2020] [Indexed: 01/08/2023]
Abstract
BACKGROUND Prosthetic joint infections (PJIs) are a growing matter of concern due to their economic and social burden on health systems. In Italy, surgical data on PJIs are available in a national registry, but microbiological data are still scarce. MATERIALS AND METHODS We performed a retrospective study at a single center with records of patients treated for primary PJIs of knee or hip from January 1, 2011, to May 30, 2018. Patients with infections of osteosynthesis means and external devices were excluded, as well as PJI recurrences and polytrauma patients. Infections were diagnosed according to IDSA and MSIS criteria. We collected data on demographics, risk factors and microbiology. All patients seen at our center undergo blood cultures and synovial fluid cultures, periarticular biopsy and prosthesis sonication by Bactosonic®. This was used only after 2014. Bacterial identification is achieved by MALDI-TOF, PHOENIX 100 and standard methods. Chi-square or Fisher tests were used to test statistical differences in proportions. RESULTS Fifty-one patients matched our inclusion criteria. Of these, 16 (31.4%) were enrolled before 2014. The median age was 68.5 (range 22-88). The most common risk factors were obesity (34%), diabetes (21%) and chronic kidney disease (14%). Seventeen patients were diagnosed with a culture-negative PJIs (33.3%). Staphylococcus aureus was the most commonly isolated pathogen (14/51, 27.5%), followed by coagulase-negative staphylococci (7/51, 13.7%). Methicillin-resistant S. aureus rate was 28.6%. The rate of culture-negative PJIs dropped from 56 to 22% after 2014, with a significant difference between the two time periods (p = 0.016). CONCLUSIONS The introduction of sonication dramatically increased our diagnostic accuracy. Our microbiological data are in line with those from other studies conducted in Italy.
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Bellova P, Knop-Hammad V, Königshausen M, Mempel E, Frieler S, Gessmann J, Schildhauer TA, Baecker H. Sonication of retrieved implants improves sensitivity in the diagnosis of periprosthetic joint infection. BMC Musculoskelet Disord 2019; 20:623. [PMID: 31878902 PMCID: PMC6933748 DOI: 10.1186/s12891-019-3006-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Accepted: 12/16/2019] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Sonication is a valuable tool in the diagnosis of periprosthetic joint infections (PJI). However, conditions and definition criteria for PJI vary among studies. The aim of this study was to determine the diagnostic performance (i.e., specificity, sensitivity) of sonicate fluid culture (SFC) against periprosthetic tissue culture (PTC), when using European Bone and Joint Infection Society (EBJIS) criteria. METHODS From March 2017 to April 2018, 257 implants were submitted for sonication. PJI was defined according to the EBJIS criteria as well as according to the International Consensus Meeting criteria of 2018 (ICM 2018). Only cases with at least one corresponding tissue sample were included. Samples were cultured using traditional microbiological plating techniques. Sensitivity and specificity were determined using two-by-two contingency tables. McNemar's test was used to compare proportions among paired samples. Subgroup analysis was performed dividing the cohort according to the site of PJI, previous antibiotic treatment, and time of manifestation. Prevalence of pathogens was determined for all patients as well as for specific subgroups. RESULTS Among the 257 cases, 145 and 112 were defined as PJI and aseptic failure, respectively. When using the EBJIS criteria, the sensitivity of SFC and PTC was 69.0 and 62.8%, respectively (p = .04). Meanwhile, the specificity was 90.2 and 92.9%, respectively (p = .65). When adopting ICM 2018 criteria, the sensitivity of SFC and PTC was 87.5 and 84.4% (p = .63) respectively, while the specificity was 85.1 and 92.5% (p = .05), respectively. The most commonly identified pathogens were coagulase-negative staphylococci (26% overall), while 31% of PJI were culture-negative and 9% polymicrobial. CONCLUSIONS SFC exhibited significantly greater sensitivity versus PTC when using the EBJIS criteria. Nevertheless, the diagnosis of PJI remains a difficult challenge and different diagnostic tools are necessary to optimize the outcome.
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Affiliation(s)
- Petri Bellova
- Department of Orthopedic and Trauma Surgery, Surgical Clinic, BG University Clinic Bergmannsheil Bochum, Bürkle-de-la-Camp Platz 1, 44789 Bochum, Germany
| | - Veronika Knop-Hammad
- Department of Microbiology, BG University Clinic Bergmannsheil Bochum, Bochum, Germany
| | - Matthias Königshausen
- Department of Orthopedic and Trauma Surgery, Surgical Clinic, BG University Clinic Bergmannsheil Bochum, Bürkle-de-la-Camp Platz 1, 44789 Bochum, Germany
| | - Eileen Mempel
- Department of Orthopedic and Trauma Surgery, Surgical Clinic, BG University Clinic Bergmannsheil Bochum, Bürkle-de-la-Camp Platz 1, 44789 Bochum, Germany
| | - Sven Frieler
- Department of Orthopedic and Trauma Surgery, Surgical Clinic, BG University Clinic Bergmannsheil Bochum, Bürkle-de-la-Camp Platz 1, 44789 Bochum, Germany
| | - Jan Gessmann
- Department of Orthopedic and Trauma Surgery, Surgical Clinic, BG University Clinic Bergmannsheil Bochum, Bürkle-de-la-Camp Platz 1, 44789 Bochum, Germany
| | - Thomas A. Schildhauer
- Department of Orthopedic and Trauma Surgery, Surgical Clinic, BG University Clinic Bergmannsheil Bochum, Bürkle-de-la-Camp Platz 1, 44789 Bochum, Germany
| | - Hinnerk Baecker
- Department of Orthopedic and Trauma Surgery, Surgical Clinic, BG University Clinic Bergmannsheil Bochum, Bürkle-de-la-Camp Platz 1, 44789 Bochum, Germany
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Kwak JM, Koh KH, Jeon IH. Total Elbow Arthroplasty: Clinical Outcomes, Complications, and Revision Surgery. Clin Orthop Surg 2019; 11:369-379. [PMID: 31788158 PMCID: PMC6867907 DOI: 10.4055/cios.2019.11.4.369] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2019] [Accepted: 07/22/2019] [Indexed: 01/25/2023] Open
Abstract
Total elbow arthroplasty is a common surgical procedure used in the management of advanced rheumatoid arthritis, posttraumatic arthritis, osteoarthritis, and unfixable fracture in elderly patients. Total elbow prostheses have evolved over the years and now include the linked, unlinked, and convertible types. However, long-term complications, including infection, aseptic loosening, instability, and periprosthetic fracture, remain a challenge. Here, we introduce each type of implant and evaluate clinical outcomes and complications by reviewing the previous literature.
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Affiliation(s)
- Jae-Man Kwak
- Department of Orthopedics, Biomechanics Laboratory, Mayo Clinic, Rochester, MN, USA
| | - Kyoung-Hwan Koh
- Department of Orthopedic Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - In-Ho Jeon
- Department of Orthopedic Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
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Sconfienza LM, Signore A, Cassar-Pullicino V, Cataldo MA, Gheysens O, Borens O, Trampuz A, Wörtler K, Petrosillo N, Winkler H, Vanhoenacker FMHM, Jutte PC, Glaudemans AWJM. Diagnosis of peripheral bone and prosthetic joint infections: overview on the consensus documents by the EANM, EBJIS, and ESR (with ESCMID endorsement). Eur Radiol 2019; 29:6425-6438. [PMID: 31250170 DOI: 10.1007/s00330-019-06326-1] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Revised: 05/27/2019] [Accepted: 06/12/2019] [Indexed: 12/13/2022]
Abstract
OBJECTIVES Peripheral bone infection (PBI) and prosthetic joint infection (PJI) are two different infectious conditions of the musculoskeletal system. They have in common to be quite challenging to be diagnosed and no clear diagnostic flowchart has been established. Thus, a conjoined initiative on these two topics has been initiated by the European Society of Radiology (ESR), the European Association of Nuclear Medicine (EANM), the European Bone and Joint Infection Society (EBJIS), and the European Society of Clinical Microbiology and Infectious Diseases (ESCMID). The purpose of this work is to provide an overview on the two consensus documents on PBI and PJI that originated by the conjoined work of the ESR, EANM, and EBJIS (with ESCMID endorsement). METHODS AND RESULTS After literature search, a list of 18 statements for PBI and 25 statements for PJI were drafted in consensus on the most debated diagnostic challenges on these two topics, with emphasis on imaging. CONCLUSIONS Overall, white blood cell scintigraphy and magnetic resonance imaging have individually demonstrated the highest diagnostic performance over other imaging modalities for the diagnosis of PBI and PJI. However, the choice of which advanced diagnostic modality to use first depends on several factors, such as the benefit for the patient, local experience of imaging specialists, costs, and availability. Since robust, comparative studies among most tests do not exist, the proposed flowcharts are based not only on existing literature but also on the opinion of multiple experts involved on these topics. KEY POINTS • For peripheral bone infection and prosthetic joint infection, white blood cell and magnetic resonance imaging have individually demonstrated the highest diagnostic performance over other imaging modalities. • Two evidence- and expert-based diagnostic flowcharts involving variable combination of laboratory tests, biopsy methods, and radiological and nuclear medicine imaging modalities are proposed by a multi-society expert panel. • Clinical application of these flowcharts depends on several factors, such as the benefit for the patient, local experience, costs, and availability.
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Affiliation(s)
- Luca Maria Sconfienza
- IRCCS Istituto Ortopedico Galeazzi, Via Riccardo Galeazzi 4, 20161, Milan, Italy. .,Dipartimento di Scienze Biomediche per la Salute, Università degli Studi di Milano, Milan, Italy.
| | - Alberto Signore
- Nuclear Medicine Unit, Faculty of Medicine and Psychology, Department of Medical-Surgical Sciences and Translational Medicine, "Sapienza" University, Rome, Italy
| | - Victor Cassar-Pullicino
- Department of Diagnostic Imaging, The Robert Jones and Agnes Hunt Orthopaedic and District Hospital, Oswestry, Shropshire, UK
| | - Maria Adriana Cataldo
- Infectious Disease Unit, National Institute for Infectious Diseases "L. Spallanzani", IRCCS, Rome, Italy
| | - Olivier Gheysens
- Department of Nuclear Medicine and Molecular Imaging, University Hospitals Leuven, Leuven, Belgium
| | - Olivier Borens
- Division of Orthopaedic Surgery and Traumatology, Septic surgical unit, Lausanne University Hospital, University of Lausanne, Lausanne, Switzerland
| | - Andrej Trampuz
- Center for Musculoskeletal Surgery (CMSC), Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Klaus Wörtler
- Department of Diagnostic and Interventional Radiology, Technische Universität München, Munich, Germany
| | - Nicola Petrosillo
- Infectious Disease Unit, National Institute for Infectious Diseases "L. Spallanzani", IRCCS, Rome, Italy
| | - Heinz Winkler
- Osteitis-Centre, Privatklinik Döbling, Vienna, Austria
| | - Filip M H M Vanhoenacker
- Department of Radiology, Antwerp University Hospital and Antwerp University, Antwerp, Belgium.,AZ Sint-Maarten, Belgium, Mechelen, Belgium.,University of Ghent, Ghent, Belgium
| | - Paul C Jutte
- Department of Orthopaedic Surgery, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Andor W J M Glaudemans
- Department of Nuclear Medicine and Molecular Imaging, Medical Imaging Center, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
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Carijo JH, Courtney PM, Goswami K, Groff H, Kendoff D, Matos J, Sandiford NA, Scheper H, Schmaltz CAS, Shubnyakov I, Tan TL, Wouthuyzen-Bakker M. Hip and Knee Section, Pathogen Factors: Proceedings of International Consensus on Orthopedic Infections. J Arthroplasty 2019; 34:S381-S386. [PMID: 30343968 DOI: 10.1016/j.arth.2018.09.022] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
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50
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Sambri A, Maso A, Storni E, Megaloikonomos PD, Igoumenou VG, Errani C, Mavrogenis AF, Bianchi G. Sonication Improves the Diagnosis of Megaprosthetic Infections. Orthopedics 2019; 42:28-32. [PMID: 30321444 DOI: 10.3928/01477447-20181010-06] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Accepted: 09/14/2018] [Indexed: 02/03/2023]
Abstract
Limited data are available for the diagnosis of patients with tumors with infected endoprosthetic reconstructions. The purpose of this study was to evaluate whether sonication is effective for the diagnosis of infection and to compare it with tissue cultures. The files of 58 patients who underwent revision surgery for suspected infected endoprosthetic reconstructions were reviewed. Cultures were performed on 5 tissue samples obtained from each patient and on fluid obtained by sonication of the megaprosthesis. The sensitivity, specificity, and negative and positive predictive values of tissue and sonication fluid cultures were evaluated. Overall, tissue and sonication fluid cultures confirmed an infection in 42 of the 58 patients. In 36 of the 42 infected endoprosthetic reconstructions, tissue and sonication fluid cultures identified the same bacterial isolate. In 5 cases, a bacterial isolate was identified only in sonication fluid cultures, and in 1 case, a bacterial isolate was identified only in tissue cultures. The sensitivity and negative predictive value of sonication fluid cultures were statistically significantly better than those of tissue cultures, while the specificity and positive predictive value were not different between the 2 culture types. Compared with tissue cultures for the diagnosis of infected megaprostheses in patients with tumors, sonication fluid cultures are associated with a better sensitivity and negative predictive value and a similar specificity and positive predictive value. Therefore, sonication should be considered a useful adjunct for the optimal diagnosis and management of these patients. [Orthopedics. 2019; 42(1):28-32.].
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