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Borsinger T, Torchia M, Malskis B, Levy BA, Werth PM, Moschetti WE. Characterizing the Native Microbiome Using Next-Generation Sequencing of Bilateral 'Aseptic' Knees. J Arthroplasty 2024; 39:1317-1322. [PMID: 37952737 DOI: 10.1016/j.arth.2023.11.002] [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: 06/09/2023] [Revised: 11/01/2023] [Accepted: 11/07/2023] [Indexed: 11/14/2023] Open
Abstract
BACKGROUND Next generation sequencing (NGS) has proven ability to identify organisms beyond those identified through traditional culture-based techniques in cases of suspected prosthetic joint infection. However, there is concern that some microorganisms identified may represent the natural joint microbiome rather than pathogenic agents. This work sought to evaluate the presence of microorganisms identified with NGS in bilateral native, presumed "aseptic" knees with osteoarthritis. METHODS There were 40 patients undergoing primary unilateral (30) or bilateral (10) total knee arthroplasty enrolled prospectively. During surgery, samples of fluid and tissue were obtained from operative knees, and joint fluid was obtained from nonoperative knees. Samples were sent for NGS analysis and processed according to manufacturer protocols. Patient age, body mass index, comorbidities, prior history of injections, and grade of arthritis were evaluated for association with positive NGS results. RESULTS There were 3 of 80 samples (3.8%) that demonstrated positive NGS. There were two of these that had multiple microorganisms identified (1 knee with 4 microorganisms; 1 knee with 2 microorganisms). An additional 2 samples had positive NGS results below the manufacturer's threshold for reporting. The most common organism identified was Cutibacterium acnes, present in 2 of the 3 positive samples. No patient baseline characteristics were associated with positive NGS results. CONCLUSIONS Some native knee joints with osteoarthritis have positive microorganisms identified with NGS. The presence of microorganisms in the native knee has important implications for better understanding the native joint microbiome as well as utilization of NGS in cases of suspected prosthetic joint infection.
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Affiliation(s)
- Tracy Borsinger
- Department of Orthopaedics, Dartmouth-Hitchcock Medical Center, Lebanon, New Hampshire
| | - Michael Torchia
- Department of Orthopaedics, Essentia Health Duluth Clinic, Duluth, Minnesota
| | - Bethany Malskis
- Department of Orthopaedics, Dartmouth-Hitchcock Medical Center, Lebanon, New Hampshire
| | - Benjamin A Levy
- Department of Orthopaedics, Geisel School of Medicine at Dartmouth, Hanover, New Hampshire
| | - Paul M Werth
- Department of Orthopaedics, Dartmouth-Hitchcock Medical Center, Lebanon, New Hampshire
| | - Wayne E Moschetti
- Department of Orthopaedics, Dartmouth-Hitchcock Medical Center, Lebanon, New Hampshire
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Lante E, Mahé G, Jany R. SARS-Cov-2 related shoulder pain and stiffness associated to humeral osteolysis after arthroscopic rotator cuff repair: A case report. Int J Surg Case Rep 2023; 111:108847. [PMID: 37742353 PMCID: PMC10520802 DOI: 10.1016/j.ijscr.2023.108847] [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: 08/14/2023] [Revised: 09/07/2023] [Accepted: 09/09/2023] [Indexed: 09/26/2023] Open
Abstract
INTRODUCTION AND IMPORTANCE Complications using bioresorbable anchors in arthroscopic rotator cuff surgery include osteolysis, aseptic synovitis, and foreign body reaction. However, the precise triggering factors are unknown. CASE PRESENTATION A healthy, 63-year-old male patient underwent rotator cuff repair using 7PLGA/b-TCP anchors. Nine months after surgery he returned to the senior author because of right shoulder pain and stiffness, pain in the right hand, foot and leg, and presence of erythematous patches at the aforementioned joints following SARS-Cov-2 infection, as well as increasing in blood inflammatory markers. Magnetic Resonance Arthrography (Arthro-MRI) showed no rotator cuff tendons re-tear but intra-articular synovitis, subacromial bursitis and humeral osteitis. A diagnostic arthroscopy, intra-articular fluid collection, biopsy and joint lavage was performed to rule out a septic arthritis. Co-amoxicillin 2.2 g intravenous treatment was administered following samples. Histological analysis of synovial tissue showed fibrin-exudative synovitis, while humeral bone biopsy showed an anchor resorption reaction. All microbiological analysis showed sterile samples. Three months post-lavage follow-up physical examination showed painless, recovered mobility, while Arthro-MRI showed a significant post-refixation remodeling of the rotator cuff tendons and reduction in humeral head osteitis and synovitis. CLINICAL DISCUSSION The abrupt onset of symptomatology and the close chronological link with SARS-Cov-2 infection suggests a causal relationship between clinical and radiological manifestations and the infection itself, with clinical and radiological manifestation being a viral host response reaction to SARS-Cov-2 infection. CONCLUSION Shoulder pain, stiffness and humeral osteitis could be manifestations of a viral host response to SARS-Cov-2 infection.
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Affiliation(s)
- Erica Lante
- Department of Orthopedic Surgery and Traumatology, Riviera Chablais Hospital, Rennaz, Switzerland.
| | - Grishma Mahé
- Department of Ophthalmology, Saint Loup Hospital, Etablissements hospitaliers du Nord Vaudois, Pompaples, Switzerland
| | - Richard Jany
- Department of Orthopedic Surgery, Saint Loup Hospital, Etablissements hospitaliers du Nord Vaudois, Pompaples, Switzerland
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3
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He M, Arthur Vithran DT, Pan L, Zeng H, Yang G, Lu B, Zhang F. An update on recent progress of the epidemiology, etiology, diagnosis, and treatment of acute septic arthritis: a review. Front Cell Infect Microbiol 2023; 13:1193645. [PMID: 37249986 PMCID: PMC10214960 DOI: 10.3389/fcimb.2023.1193645] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2023] [Accepted: 04/20/2023] [Indexed: 05/31/2023] Open
Abstract
Acute septic arthritis is on the rise among all patients. Acute septic arthritis must be extensively assessed, identified, and treated to prevent fatal consequences. Antimicrobial therapy administered intravenously has long been considered the gold standard for treating acute osteoarticular infections. According to clinical research, parenteral antibiotics for a few days, followed by oral antibiotics, are safe and effective for treating infections without complications. This article focuses on bringing physicians up-to-date on the most recent findings and discussions about the epidemiology, etiology, diagnosis, and treatment of acute septic arthritis. In recent years, the emergence of antibiotic-resistant, particularly aggressive bacterial species has highlighted the need for more research to enhance treatment approaches and develop innovative diagnosis methods and drugs that might combat better in all patients. This article aims to furnish radiologists, orthopaedic surgeons, and other medical practitioners with contemporary insights on the subject matter and foster collaborative efforts to improve patient outcomes. This review represents the initial comprehensive update encompassing patients across all age groups.
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Affiliation(s)
- Miao He
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Djandan Tadum Arthur Vithran
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Linyuan Pan
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Haijin Zeng
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Guang Yang
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Bangbao Lu
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Fangjie Zhang
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
- Department of Emergency Medicine, Xiangya Hospital, Central South University, Changsha, Hunan, China
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4
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Zhang Y, Zeng Z, Li F, Peng Z, Xia H, Zeng Y, Chen H, Wang Y, Xie W, Zhang Y, Tang Z. Metagenomic next-generation sequencing in diagnosing Pneumocystis jirovecii pneumonia: A case report. Open Life Sci 2022; 17:938-943. [PMID: 36060643 PMCID: PMC9386609 DOI: 10.1515/biol-2022-0094] [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: 02/23/2022] [Revised: 04/28/2022] [Accepted: 05/18/2022] [Indexed: 11/15/2022] Open
Abstract
It remains a huge challenge for clinicians to diagnose Pneumocystis jirovecii pneumonia (PJP) by a conventional method, which leads to delay in diagnosing PJP, accounting for higher mortality in patients with rheumatoid arthritis (RA). A 69-year-old woman, who suffered from RA for years, developed acute respiratory failure. The computed tomography scan showed diffused effusion and ground glass opacity in both lungs, which could not be differentiated from interstitial pneumonia. Metagenomic next-generation sequencing (mNGS) revealed P. jirovecii in both serum and bronchoalveolar lavage fluid with reads per million (RPM) of 17 and 437, while other diagnostic tests did not detect any pathogenic microorganism. The results were verified by quantitative polymerase chain reaction (mtSSU region) against the same samples. The DNA RPM of P. jirovecii declined notably after treatment with trimethoprim/sulfamethoxazole. The patient was discharged without treatment and finally passed away. This case fully highlights the sensitivity of mNGS in early diagnosis of PJP, which is of great significance for prognosis and treatment. Nonetheless, the clinical application of mNGS is worth further standardization and normalization.
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Affiliation(s)
- Yuan Zhang
- Department of Intensive Care Unit, Guangdong Provincial Hospital of Integrated Traditional Chinese and Western Medicine, Foshan 528200, China
| | - Zhaoshang Zeng
- Department of Intensive Care Unit, Guangdong Provincial Hospital of Integrated Traditional Chinese and Western Medicine, Foshan 528200, China
| | - Fenghui Li
- Department of Intensive Care Unit, Guangdong Provincial Hospital of Integrated Traditional Chinese and Western Medicine, Foshan 528200, China
| | - Zhiyun Peng
- Department of Intensive Care Unit, Guangdong Provincial Hospital of Integrated Traditional Chinese and Western Medicine, Foshan 528200, China
| | - Han Xia
- Department of Scientific Affairs, Hugobiotech Co., Ltd, Beijing 100176, China
| | - Yunyi Zeng
- Department of Intensive Care Unit, Guangdong Provincial Hospital of Integrated Traditional Chinese and Western Medicine, Foshan 528200, China
| | - Haimin Chen
- Department of Intensive Care Unit, Guangdong Provincial Hospital of Integrated Traditional Chinese and Western Medicine, Foshan 528200, China
| | - Yingjing Wang
- Department of Intensive Care Unit, Guangdong Provincial Hospital of Integrated Traditional Chinese and Western Medicine, Foshan 528200, China
| | - Weining Xie
- Department of Infectious Disease, Guangdong Provincial Hospital of Integrated Traditional Chinese and Western Medicine, Foshan 528200, China
| | - Yanhua Zhang
- Department of Nutriology, Guangdong Provincial Hospital of Integrated Traditional Chinese and Western Medicine, Foshan 528200, China
| | - Zhongxiang Tang
- Department of Intensive Care Unit, Guangdong Provincial Hospital of Integrated Traditional Chinese and Western Medicine, Foshan 528200, China
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Egbulefu FJ, Yang J, Segreti JC, Sporer SM, Chen AF, Austin MS, Della Valle CJ. Recurrent Failures After 2-Stage Exchanges are Secondary to New Organisms Not Previously Covered by Antibiotics. Arthroplast Today 2022; 17:186-191.e1. [PMID: 36254212 PMCID: PMC9568676 DOI: 10.1016/j.artd.2022.07.015] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2022] [Revised: 07/01/2022] [Accepted: 07/26/2022] [Indexed: 10/29/2022] Open
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Ghert M. Infected or Not Infected? Next-Generation DNA Sequencing Is Not the Answer...Yet: Commentary on an article by Roman M. Natoli, MD, PhD, et al.: "Poor Agreement Between Next-Generation DNA Sequencing and Bacterial Cultures in Orthopaedic Trauma Procedures". J Bone Joint Surg Am 2022; 104:e23. [PMID: 35293892 DOI: 10.2106/jbjs.21.01423] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Michelle Ghert
- McMaster University and Hamilton Health Sciences, Hamilton, Ontario, Canada
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7
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Next-generation sequencing (NGS) to determine microbiome of herniated intervertebral disc. Spine J 2022; 22:389-398. [PMID: 34547388 DOI: 10.1016/j.spinee.2021.09.005] [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: 04/27/2021] [Revised: 09/06/2021] [Accepted: 09/14/2021] [Indexed: 02/03/2023]
Abstract
BACKGROUND CONTEXT There is apparent causality between chronic infection of the intervertebral disc and its degenerative process. Although disc is considered a sterile tissue, collected samples of uninfected patients sent to culture testing resulted positive. PURPOSE The purpose of this study was to analyze the microbiome of the intervertebral disc by using and validating the next-generation sequencing (NGS) molecular test, controlled with tissue culture and clinical presentation of patients. STUDY DESIGN/SETTING Prospective study of consecutive patients in a hospital. PATIENT SAMPLE Patients with lumbar disc herniation undergoing open microdiscectomy aging 18 to 65 years. OUTCOME MEASURES NGS, tissue culture METHODS: Subjects undergoing open decompression surgery for lumbar disc herniation were consecutively included and clinically followed for one year. Three samples of the excised herniated disc fragment were sent to tissue culture and another sample of the disc was sent to NGS test for microbiome analysis. Control samples of the ligamentum flavum and deep muscle were collected and sent to culture. RESULTS A total of 17 patients were included. All patients presented negative cultures of the removed disc samples, as well as negative cultures of muscle and yellow ligament. None of the patients evolved to clinical infection one year after surgery, nor presented significant alteration of laboratory markers. NGS mapped a mean of 14,645 (range 6,540 to 27,176) DNA sequences for each disc sample of each patient. There were a total of 45 different bacteria genera remnants with different amount of DNA sequences detected. There was a mean of 8 (range 3-17) different bacterial elements in each sample of intervertebral disc. Three bacteria were present in all disc samples (Herbaspirillum, Ralstonia, and Burkolderia). Although there were a considerable mean number of bacterial sequences mapped in each disc sample, the amount of sequences related to bacteria was low. Cutibacterium acnes elements was not found in any disc microbiome analysis. CONCLUSIONS NGS has been proven to adequately determine bacterial DNA presence within the intervertebral disc. C. acnes was not isolated in culture neither in microbiome analysis of patients with lumbar disc herniation. We cannot confirm disc sterility since, even if it does not cause infection, there is bacterial or remnant DNA in herniated discs.
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Carr C, Wilcox H, Burton JP, Menon S, Al KF, O’Gorman D, Lanting BA, Vasarhelyi EM, Neufeld M, Teeter MG. Deciphering the low abundance microbiota of presumed aseptic hip and knee implants. PLoS One 2021; 16:e0257471. [PMID: 34520499 PMCID: PMC8439452 DOI: 10.1371/journal.pone.0257471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Accepted: 09/01/2021] [Indexed: 11/18/2022] Open
Abstract
16S rRNA gene sequencing of DNA extracted from clinically uninfected hip and knee implant samples has revealed polymicrobial populations. However, previous studies assessed 16S rRNA gene sequencing as a technique for the diagnosis of periprosthetic joint infections, leaving the microbiota of presumed aseptic hip and knee implants largely unstudied. These communities of microorganisms might play important roles in aspects of host health, such as aseptic loosening. Therefore, this study sought to characterize the bacterial composition of presumed aseptic joint implant microbiota using next generation 16S rRNA gene sequencing, and it evaluated this method for future investigations. 248 samples were collected from implants of 41 patients undergoing total hip or knee arthroplasty revision for presumed aseptic failure. DNA was extracted using two methodologies-one optimized for high throughput and the other for human samples-and amplicons of the V4 region of the 16S rRNA gene were sequenced. Sequencing data were analyzed and compared with ancillary specific PCR and microbiological culture. Computational tools (SourceTracker and decontam) were used to detect and compensate for environmental and processing contaminants. Microbial diversity of patient samples was higher than that of open-air controls and differentially abundant taxa were detected between these conditions, possibly reflecting a true microbiota that is present in clinically uninfected joint implants. However, positive control-associated artifacts and DNA extraction methodology significantly affected sequencing results. As well, sequencing failed to identify Cutibacterium acnes in most culture- and PCR-positive samples. These challenges limited characterization of bacteria in presumed aseptic implants, but genera were identified for further investigation. In all, we provide further support for the hypothesis that there is likely a microbiota present in clinically uninfected joint implants, and we show that methods other than 16S rRNA gene sequencing may be ideal for its characterization. This work has illuminated the importance of further study of microbiota of clinically uninfected joint implants with novel molecular and computational tools to further eliminate contaminants and artifacts that arise in low bacterial abundance samples.
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MESH Headings
- Adult
- Aged
- Arthroplasty, Replacement, Hip
- Arthroplasty, Replacement, Knee
- Artifacts
- Bacteria/genetics
- Bacteria/isolation & purification
- Female
- Hip Joint/microbiology
- Humans
- Knee Joint/microbiology
- Male
- Microbiota
- Middle Aged
- Polymerase Chain Reaction
- Prosthesis-Related Infections/microbiology
- Prosthesis-Related Infections/pathology
- RNA, Ribosomal, 16S/chemistry
- RNA, Ribosomal, 16S/genetics
- RNA, Ribosomal, 16S/metabolism
- Sequence Analysis, DNA
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Affiliation(s)
- Charles Carr
- Canadian Centre for Human Microbiome and Probiotic Research, Lawson Health Research Institute, London, Ontario, Canada
| | - Hannah Wilcox
- Canadian Centre for Human Microbiome and Probiotic Research, Lawson Health Research Institute, London, Ontario, Canada
| | - Jeremy P. Burton
- Canadian Centre for Human Microbiome and Probiotic Research, Lawson Health Research Institute, London, Ontario, Canada
- Department of Surgery, Schulich School of Medicine & Dentistry, Western University, London, Ontario, Canada
| | - Sharanya Menon
- Canadian Centre for Human Microbiome and Probiotic Research, Lawson Health Research Institute, London, Ontario, Canada
| | - Kait F. Al
- Canadian Centre for Human Microbiome and Probiotic Research, Lawson Health Research Institute, London, Ontario, Canada
| | - David O’Gorman
- Department of Surgery, Schulich School of Medicine & Dentistry, Western University, London, Ontario, Canada
- Department of Biochemistry, Schulich School of Medicine & Dentistry, Western University, London, Ontario, Canada
| | - Brent A. Lanting
- Department of Surgery, Schulich School of Medicine & Dentistry, Western University, London, Ontario, Canada
| | - Edward M. Vasarhelyi
- Department of Surgery, Schulich School of Medicine & Dentistry, Western University, London, Ontario, Canada
| | - Michael Neufeld
- Department of Surgery, Schulich School of Medicine & Dentistry, Western University, London, Ontario, Canada
- Department of Orthopaedics, Adult Hip and Knee Reconstruction Service, University of British Columbia, Vancouver, British Columbia, Canada
| | - Matthew G. Teeter
- Department of Surgery, Schulich School of Medicine & Dentistry, Western University, London, Ontario, Canada
- Department of Medical Biophysics, Schulich School of Medicine & Dentistry, Western University, London, Ontario, Canada
- * E-mail:
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Gamie Z, Karthikappallil D, Gamie E, Stamiris S, Kenanidis E, Tsiridis E. Molecular sequencing technologies in the diagnosis and management of prosthetic joint infections. Expert Rev Mol Diagn 2021; 22:603-624. [PMID: 33641572 DOI: 10.1080/14737159.2021.1894929] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
INTRODUCTION Prosthetic joint infections (PJIs) can be challenging to eradicate and have high morbidity and mortality. Current microbiology culture methods can be associated with a high false-negative rate of up to 50%. Early and accurate diagnosis is crucial for effective treatment, and negative results have been linked to a greater rate of reoperation. AREAS COVERED There has been increasing investigation of the use of next-generation sequencing (NGS) technology such as metagenomic shotgun sequencing to help identify causative organisms and decrease the uncertainty around culture-negative infections. The clinical importance of the organisms detected and their management, however, requires further study. The polymerase chain reaction (PCR) has shown promise, but in recent years multiple studies have reported similar or lower sensitivity for bacteria detection in PJIs when compared to traditional culture. Furthermore, issues such as high cost and complexity of sample preparation and data analysis are to be addressed before it can move further toward routine clinical practice. EXPERT OPINION Metagenomic NGS has shown results that inspire cautious optimism - both in culture-positive and culture-negative cases of joint infection. Refinement of technique could revolutionize the way PJIs are diagnosed, managed, and drastically improve outcomes from this currently devastating complication.
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Affiliation(s)
- Zakareya Gamie
- Northern Institute for Cancer Research, Paul O'Gorman Building, Medical School, Newcastle University, Framlington Place, Newcastle upon Tyne, NE2 4HH, UK; Genomic Medicine - St George's, University of London, Cranmer Terrace, Tooting, London, SW17 0RE; King's College London, Strand, London
| | - Dileep Karthikappallil
- Department of Trauma and Orthopedics, East Cheshire NHS Trust, Macclesfield District General Hospital, Victoria Road, Macclesfield, Cheshire, SK10 3BL, UK
| | - Emane Gamie
- School of Molecular and Cellular Biology, Faculty of Biological Sciences and Astbury Centre for Structural Molecular Biology, University of Leeds, Leeds, LS2 9JT, UK; MBiol, BSc Biological Sciences, University of Leeds Alumni, UK
| | - Stavros Stamiris
- Academic Orthopedic Department, Papageorgiou General Hospital, Thessaloniki, Greece; CORE-Center for Orthopedic Research at CIRI-A.U.Th., Aristotle University Medical School, Thessaloniki, Greece
| | - Eustathios Kenanidis
- Academic Orthopedic Department, Papageorgiou General Hospital, Thessaloniki, Greece; CORE-Center for Orthopedic Research at CIRI-A.U.Th., Aristotle University Medical School, Thessaloniki, Greece
| | - Eleftherios Tsiridis
- Academic Orthopedic Department, Papageorgiou General Hospital, Thessaloniki, Greece; CORE-Center for Orthopedic Research at CIRI-A.U.Th., Aristotle University Medical School, Thessaloniki, Greece
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10
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Foster AL, Cutbush K, Ezure Y, Schuetz MA, Crawford R, Paterson DL. Cutibacterium acnes in shoulder surgery: a scoping review of strategies for prevention, diagnosis, and treatment. J Shoulder Elbow Surg 2021; 30:1410-1422. [PMID: 33373684 DOI: 10.1016/j.jse.2020.11.011] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2020] [Revised: 11/02/2020] [Accepted: 11/08/2020] [Indexed: 02/01/2023]
Abstract
BACKGROUND Cutibacterium acnes is a commensal, gram-positive, facultatively anaerobic bacillus that resides in the dermis. Historically thought to be a contaminant when identified on cultured specimens, recent advances in diagnostic technology have now implicated it as the most common organism responsible for postoperative shoulder infections. Despite a recognition of the role of this organism and a significant research interest in recent years, there is clear lack of consensus guideline on strategies to prevent, diagnose, and treat postoperative shoulder infection. METHOD The electronic databases PubMed, MEDLINE, CINAHL, Scopus, and Web of Science were searched in March 2020. All experimental and nonexperimental studies that investigate C acnes in shoulder surgery were included. Inclusion was limited to articles published after 2000 and written in English; reviews, gray literature, or abstracts were excluded. A total of 70 studies were included in this review. This scoping review was performed in accordance with the Extended Preferred Reporting Items of Systematic Reviews and Meta-Analyses Statement for Scoping Reviews (PRISMA-ScR). RESULTS Standard surgical prophylactic regimens such as intravenous antibiotics and topical chlorhexidine are ineffective at removing C acnes from the deep layer of the dermis, and there is a shift toward using topical benzoyl peroxide with significantly improved efficacy. An improved understanding of the bacteria has demonstrated that a prolonged culture time of up to 14 days is needed, especially in cases of established infection. Advances in diagnostics such as sonication and molecular-based testing are promising. Although usually thought to be susceptible to a broad range of antibiotics, resistance is emerging to clindamycin. An improved understanding of its ability to form a biofilm highlights the difficulty in treating an established infection. CONCLUSION The role of C acnes causing postoperative infection following shoulder surgery is being increasingly recognized. Strategies for prevention, diagnosis, and treatment have been outlined from both an antimicrobial and surgical perspective. A number of these strategies are emerging and require further research to demonstrate efficacy before implementation into clinical guidelines.
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Affiliation(s)
- Andrew L Foster
- Faculty of Science and Engineering, Queensland University of Technology (QUT), Brisbane, QLD, Australia; Department of Orthopaedic Surgery, Royal Brisbane and Women's Hospital, Herston, QLD, Australia; Jamieson Trauma Institute, Royal Brisbane and Women's Hospital, Herston, QLD, Australia; Department of Surgery, School of Medicine, University of Queensland, Brisbane, QLD, Australia
| | - Kenneth Cutbush
- Faculty of Science and Engineering, Queensland University of Technology (QUT), Brisbane, QLD, Australia; Department of Surgery, School of Medicine, University of Queensland, Brisbane, QLD, Australia
| | - Yukiko Ezure
- University of Queensland Centre for Clinical Research, RBWH Campus, Brisbane, QLD, Australia
| | - Michael A Schuetz
- Faculty of Science and Engineering, Queensland University of Technology (QUT), Brisbane, QLD, Australia; Department of Orthopaedic Surgery, Royal Brisbane and Women's Hospital, Herston, QLD, Australia; Jamieson Trauma Institute, Royal Brisbane and Women's Hospital, Herston, QLD, Australia
| | - Ross Crawford
- Faculty of Science and Engineering, Queensland University of Technology (QUT), Brisbane, QLD, Australia
| | - David L Paterson
- University of Queensland Centre for Clinical Research, RBWH Campus, Brisbane, QLD, Australia.
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11
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Patel MS, Singh AM, Gregori P, Horneff JG, Namdari S, Lazarus MD. Cutibacterium acnes: a threat to shoulder surgery or an orthopedic red herring? J Shoulder Elbow Surg 2020; 29:1920-1927. [PMID: 32499199 DOI: 10.1016/j.jse.2020.02.020] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Revised: 02/10/2020] [Accepted: 02/20/2020] [Indexed: 02/01/2023]
Abstract
Cutibacterium acnes is a lipophilic, anaerobic, gram-positive bacillus that mainly colonizes the pilosebaceous glands of human skin. It has been implicated as the leading cause of prosthetic joint infection (PJI) after shoulder arthroplasty. However, PJI caused by C acnes rarely manifests as overt clinical, laboratory, or imaging features. In fact, more than 40% of shoulders undergoing revision arthroplasty are likely to be culture positive. However, rates of infection following a positive culture can be as low as 5%. The purpose of this review was to put forth alternative explanations for this discordance between positive cultures and infection. We describe C acnes roles as a commensal, bystander, and/or contaminant organism; the role of cultures in diagnosis and other methods that may be more accurate; its existence in a shoulder microbiome; and the variable virulence of C acnes. C acnes is an important cause of shoulder PJI in some patients. However, there is a large body of literature that suggests other functions that need to be considered. Further research is needed to define the role of C acnes that is logically explained by all of the literature and not only some.
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Affiliation(s)
- Manan S Patel
- Department of Orthopaedic Surgery, The Rothman Institute at Thomas Jefferson University, Philadelphia, PA, USA.
| | - Arjun M Singh
- Department of Orthopaedic Surgery, The Rothman Institute at Thomas Jefferson University, Philadelphia, PA, USA
| | - Pietro Gregori
- Department of Orthopaedic Surgery, The Rothman Institute at Thomas Jefferson University, Philadelphia, PA, USA
| | - John G Horneff
- Department of Orthopaedic Surgery, The Rothman Institute at Thomas Jefferson University, Philadelphia, PA, USA
| | - Surena Namdari
- Department of Orthopaedic Surgery, The Rothman Institute at Thomas Jefferson University, Philadelphia, PA, USA
| | - Mark D Lazarus
- Department of Orthopaedic Surgery, The Rothman Institute at Thomas Jefferson University, Philadelphia, PA, USA
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