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Naithani K, Das A, Ushare M, Nath S, Biswas R, Kundu A, Ahmed KT, Mohan U, Bhowmik S. Design, synthesis, and evaluation of 1,4-benzothiazine-3-one containing bisamide derivatives as dual inhibitors of Staphylococcus aureus with plausible application in a urinary catheter. Front Chem 2024; 12:1420593. [PMID: 38988728 PMCID: PMC11233542 DOI: 10.3389/fchem.2024.1420593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2024] [Accepted: 06/03/2024] [Indexed: 07/12/2024] Open
Abstract
In this study, 1,4-benzothiazine-based bisamide derivatives, a new class of antibacterial agents targeting bacterial peptide deformylase (PDF), were designed and synthesized to combat Staphylococcus aureus infection. Molecular modeling of the designed molecules showed better docking scores compared to the natural product actinonin. Bioactivity assessment identified two derivatives with promising antibacterial activity in vitro. The stability of the most active molecule, 8bE, was assessed using molecular dynamics (MD) simulation. Significantly, compound 8bE could also inhibit the S. aureus biofilm at low concentrations. Furthermore, the capability of the synthesized molecule to inhibit S. aureus biofilm formation on medical devices like urinary catheters is also demonstrated.
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Affiliation(s)
- Kaushal Naithani
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Kolkata, West Bengal, India
| | - Arka Das
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Kolkata, West Bengal, India
| | - Mamta Ushare
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Kolkata, West Bengal, India
| | - Subham Nath
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Kolkata, West Bengal, India
- Microbiology Division, Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Kolkata, West Bengal, India
| | - Rashmita Biswas
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Kolkata, West Bengal, India
- Microbiology Division, Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Kolkata, West Bengal, India
| | - Anirban Kundu
- Department of Natural Product, National Institute of Pharmaceutical Education and Research, Kolkata, West Bengal, India
| | - Kazi Tawsif Ahmed
- Department of Botany, Visva Bharati University, Santiniketan, West Bengal, India
| | - Utpal Mohan
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Kolkata, West Bengal, India
- Microbiology Division, Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Kolkata, West Bengal, India
| | - Subhendu Bhowmik
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Kolkata, West Bengal, India
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Zhang Y, Li R, Zou G, Guo Y, Wu R, Zhou Y, Chen H, Zhou R, Lavigne R, Bergen PJ, Li J, Li J. Discovery of Antimicrobial Lysins from the "Dark Matter" of Uncharacterized Phages Using Artificial Intelligence. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024:e2404049. [PMID: 38899839 DOI: 10.1002/advs.202404049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2024] [Revised: 05/29/2024] [Indexed: 06/21/2024]
Abstract
The rapid rise of antibiotic resistance and slow discovery of new antibiotics have threatened global health. While novel phage lysins have emerged as potential antibacterial agents, experimental screening methods for novel lysins pose significant challenges due to the enormous workload. Here, the first unified software package, namely DeepLysin, is developed to employ artificial intelligence for mining the vast genome reservoirs ("dark matter") for novel antibacterial phage lysins. Putative lysins are computationally screened from uncharacterized Staphylococcus aureus phages and 17 novel lysins are randomly selected for experimental validation. Seven candidates exhibit excellent in vitro antibacterial activity, with LLysSA9 exceeding that of the best-in-class alternative. The efficacy of LLysSA9 is further demonstrated in mouse bloodstream and wound infection models. Therefore, this study demonstrates the potential of integrating computational and experimental approaches to expedite the discovery of new antibacterial proteins for combating increasing antimicrobial resistance.
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Affiliation(s)
- Yue Zhang
- National Key Laboratory of Agricultural Microbiology, Key Laboratory of Environment Correlative Dietology, College of Biomedicine and Health, Shenzhen Institute of Nutrition and Health, Huazhong Agricultural University, Wuhan, 430070, China
- Hubei Hongshan Laboratory, College of Food Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China
| | - Runze Li
- National Key Laboratory of Agricultural Microbiology, Key Laboratory of Environment Correlative Dietology, College of Biomedicine and Health, Shenzhen Institute of Nutrition and Health, Huazhong Agricultural University, Wuhan, 430070, China
- Hubei Hongshan Laboratory, College of Food Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China
| | - Geng Zou
- National Key Laboratory of Agricultural Microbiology, Key Laboratory of Environment Correlative Dietology, College of Biomedicine and Health, Shenzhen Institute of Nutrition and Health, Huazhong Agricultural University, Wuhan, 430070, China
- Hubei Hongshan Laboratory, College of Food Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China
| | - Yating Guo
- National Key Laboratory of Agricultural Microbiology, Key Laboratory of Environment Correlative Dietology, College of Biomedicine and Health, Shenzhen Institute of Nutrition and Health, Huazhong Agricultural University, Wuhan, 430070, China
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China
| | - Renwei Wu
- National Key Laboratory of Agricultural Microbiology, Key Laboratory of Environment Correlative Dietology, College of Biomedicine and Health, Shenzhen Institute of Nutrition and Health, Huazhong Agricultural University, Wuhan, 430070, China
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China
| | - Yang Zhou
- National Key Laboratory of Agricultural Microbiology, Key Laboratory of Environment Correlative Dietology, College of Biomedicine and Health, Shenzhen Institute of Nutrition and Health, Huazhong Agricultural University, Wuhan, 430070, China
| | - Huanchun Chen
- National Key Laboratory of Agricultural Microbiology, Key Laboratory of Environment Correlative Dietology, College of Biomedicine and Health, Shenzhen Institute of Nutrition and Health, Huazhong Agricultural University, Wuhan, 430070, China
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China
| | - Rui Zhou
- National Key Laboratory of Agricultural Microbiology, Key Laboratory of Environment Correlative Dietology, College of Biomedicine and Health, Shenzhen Institute of Nutrition and Health, Huazhong Agricultural University, Wuhan, 430070, China
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China
| | - Rob Lavigne
- Department of Biosystems, Laboratory of Gene Technology, KU Leuven, Leuven, 3001, Belgium
| | - Phillip J Bergen
- Monash Biomedicine Discovery Institute, Department of Microbiology, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, 3800, Australia
| | - Jian Li
- Monash Biomedicine Discovery Institute, Department of Microbiology, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, 3800, Australia
| | - Jinquan Li
- National Key Laboratory of Agricultural Microbiology, Key Laboratory of Environment Correlative Dietology, College of Biomedicine and Health, Shenzhen Institute of Nutrition and Health, Huazhong Agricultural University, Wuhan, 430070, China
- Hubei Hongshan Laboratory, College of Food Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China
- Shenzhen Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Genome Analysis Laboratory of the Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, 518000, China
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Westgeest AC, Lambregts MMC, Ruffin F, Korn RE, Webster ME, Kair JL, Parsons JB, Maskarinec SA, Kaplan S, Dekkers OM, de Boer MGJ, Fowler VG, Thaden JT. Female Sex and Mortality in Patients with Staphylococcus aureus Bacteremia: A Systematic Review and Meta-analysis. JAMA Netw Open 2024; 7:e240473. [PMID: 38411961 PMCID: PMC10900971 DOI: 10.1001/jamanetworkopen.2024.0473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Accepted: 01/08/2024] [Indexed: 02/28/2024] Open
Abstract
Importance Staphylococcus aureus is the leading cause of death due to bacterial bloodstream infection. Female sex has been identified as a risk factor for mortality in S aureus bacteremia (SAB) in some studies, but not in others. Objective To determine whether female sex is associated with increased mortality risk in SAB. Data Sources MEDLINE, Embase, and Web of Science were searched from inception to April 26, 2023. Study Selection Included studies met the following criteria: (1) randomized or observational studies evaluating adults with SAB, (2) included 200 or more patients, (3) reported mortality at or before 90 days following SAB, and (4) reported mortality stratified by sex. Studies on specific subpopulations (eg, dialysis, intensive care units, cancer patients) and studies that included patients with bacteremia by various microorganisms that did not report SAB-specific data were excluded. Data Extraction and Synthesis Data extraction and quality assessment were performed by 1 reviewer and verified by a second reviewer. Risk of bias and quality were assessed with the Newcastle-Ottawa Quality Assessment Scale. Mortality data were combined as odds ratios (ORs). Main Outcome and Measures Mortality at or before 90-day following SAB, stratified by sex. Results From 5339 studies retrieved, 89 were included (132 582 patients; 50 258 female [37.9%], 82 324 male [62.1%]). Unadjusted mortality data were available from 81 studies (109 828 patients) and showed increased mortality in female patients compared with male patients (pooled OR, 1.12; 95% CI, 1.06-1.18). Adjusted mortality data accounting for additional patient characteristics and treatment variables were available from 32 studies (95 469 patients) and revealed a similarly increased mortality risk in female relative to male patients (pooled adjusted OR, 1.18; 95% CI, 1.11-1.27). No evidence of publication bias was encountered. Conclusions and Relevance In this systematic review and meta-analysis, female patients with SAB had higher mortality risk than males in both unadjusted and adjusted analyses. Further research is needed to study the potential underlying mechanisms.
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Affiliation(s)
- Annette C. Westgeest
- Division of Infectious Diseases, Duke University, Durham, North Carolina
- Department of Infectious Diseases, Leiden University Medical Center, Leiden, the Netherlands
| | - Merel M. C. Lambregts
- Department of Infectious Diseases, Leiden University Medical Center, Leiden, the Netherlands
| | - Felicia Ruffin
- Division of Infectious Diseases, Duke University, Durham, North Carolina
| | - Rachel E. Korn
- Division of Infectious Diseases, Duke University, Durham, North Carolina
| | - Maren E. Webster
- Division of Infectious Diseases, Duke University, Durham, North Carolina
| | - Jackson L. Kair
- Division of Infectious Diseases, Duke University, Durham, North Carolina
| | - Joshua B. Parsons
- Division of Infectious Diseases, Duke University, Durham, North Carolina
| | | | - Samantha Kaplan
- Medical Center Library and Archives, Duke University, Durham, North Carolina
| | - Olaf M. Dekkers
- Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, the Netherlands
| | - Mark G. J. de Boer
- Department of Infectious Diseases, Leiden University Medical Center, Leiden, the Netherlands
- Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, the Netherlands
| | - Vance G. Fowler
- Division of Infectious Diseases, Duke University, Durham, North Carolina
- Duke Clinical Research Institute, Durham, North Carolina
| | - Joshua T. Thaden
- Division of Infectious Diseases, Duke University, Durham, North Carolina
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Predictors of mortality of Staphylococcus aureus bacteremia among patients hospitalized in a Swiss University Hospital and the role of early source control; a retrospective cohort study. Eur J Clin Microbiol Infect Dis 2023; 42:347-357. [PMID: 36729318 PMCID: PMC9892677 DOI: 10.1007/s10096-023-04557-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Accepted: 01/23/2023] [Indexed: 02/03/2023]
Abstract
S. aureus bacteremia is associated with high mortality. The aim was to identify predictors of mortality among patients with S. aureus bacteremia and evaluate the role of early source control. This retrospective study was conducted at the Lausanne University Hospital, Switzerland. All episodes of S. aureus bacteremia among adult patients from 2015 to 2021 were included. During the study period, 839 episodes of S. aureus bacteremia were included, of which 7.9% were due to methicillin-resistant isolates. Bacteremias were related to bone or joint infections (268; 31.9%), followed by bacteremia of unknown origin (158; 18.8%), proven endocarditis (118; 14.1%) and lower-respiratory tract infections (79; 9.4%). Overall 28-day mortality was 14.5%. Cox multivariate regression model showed that Charlson comorbidity index > 5 (P < 0.001), nosocomial bacteremia (P 0.019), time to blood culture positivity ≤ 13 h (P 0.004), persistent bacteremia for ≥ 48 h (P 0.004), sepsis (P < 0.001), bacteremia of unknown origin (P 0.036) and lower respiratory tract infection (P < 0.001) were associated with 28-day mortality, while infectious diseases consultation within 48 h from infection onset (P < 0.001) was associated with better survival. Source control was warranted in 575 episodes and performed in 345 episodes (60.0%) within 48 h from infection onset. Results from a second multivariate analysis confirmed that early source control (P < 0.001) was associated with better survival. Mortality among patients with S. aureus bacteremia was high and early source control was a key determinant of outcome. Infectious diseases consultation within 48 h played an important role in reducing mortality.
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Yanık-Yalçın T, Erol Ç, Demirkaya MH, Durukan E, Kurt-Azap Ö. Evaluation of Clinical Approach and Outcomes Staphylococcus aureus Bacteremia. INFECTIOUS DISEASES & CLINICAL MICROBIOLOGY 2023; 5:31-39. [PMID: 38633900 PMCID: PMC10986690 DOI: 10.36519/idcm.2023.191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Accepted: 01/21/2023] [Indexed: 04/19/2024]
Abstract
Objective Despite appropriate treatment and early diagnosis methods, Staphylococcus aureus bacteremia (SAB) is still associated with a high mortality rate. This study aims to evaluate the clinical features and approaches to SAB and to analyze the parameters that may affect 7-day and 30-day mortality. Materials and Methods Adult patients with SAB data between 2011 and 2018 were evaluated retrospectively. Clinical data, patient demographics, and 7-day and 30-day mortality rates were obtained from their medical records. Results In total, 144 patients were included in the study; 57.6% (83/144) of patients were men, and the mean age was 65.2±16.5 years. The most common source of infection was the central-line catheter (38.9%), followed by intra-abdominal (21%), respiratory (16.7), infective endocarditis (5.6%), and osteoarticular foci (2.1%). Fifteen percent (15%) of the strains were methicillin resistant. Transthoracic echocardiography (TTE) was performed for 80.6% (116/144) patients. Infectious diseases specialist consultation within 96 hours from blood culture signal was requested in 79.9%. Overall, 7-day mortality was 11.8%, and 30-day mortality was 21.5%. Staying in intensive care units (ICU) increased the risk of 30-day mortality by 1.1 times, and respiratory-focused SAB increased the risk by 4.3 times. Conclusion SAB is still a big threat. Staphylococcal pneumonia remains a severe infection. Several prognostic factors influence mortality. Identifying the source, ensuring source control, and appropriate initial therapy as soon as possible are critical for reducing mortality and morbidity in SAB.
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Affiliation(s)
- Tuğba Yanık-Yalçın
- Department of Infectious Diseases and Clinical Microbiology, Başkent University School of Medicine, Ankara, Turkey
| | - Çiğdem Erol
- Department of Infectious Diseases and Clinical Microbiology, Başkent University School of Medicine, Ankara, Turkey
| | - Melike Hamiyet Demirkaya
- Department of Infectious Diseases and Clinical Microbiology, Ümraniye Training and Research Hospital, İstanbul, Turkey
| | - Elif Durukan
- Department of Public Health, Başkent University School of Medicine, Ankara, Turkey
| | - Özlem Kurt-Azap
- Department of Infectious Diseases and Clinical Microbiology, Başkent University School of Medicine, Ankara, Turkey
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Hindy JR, Quintero-Martinez JA, Lahr BD, DeSimone DC, Baddour LM. Staphylococcus aureus bacteraemia and mortality: a population-based study in Olmsted County, Minnesota, from 2006 to 2020. Infect Dis (Lond) 2023; 55:1-8. [PMID: 36151989 DOI: 10.1080/23744235.2022.2123561] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
OBJECTIVES To provide an evaluation of predictors of 6-month mortality in incident Staphylococcus aureus bacteraemia cases. METHODS A retrospective population-based study of 541 adult residents of Olmsted County, MN with monomicrobial S. aureus bacteraemia from 1 January 2006 through 31 December 2020. Multivariable Cox regression was used to investigate risk factors of 6-month mortality. RESULTS The median (interquartile range [IQR]) age of 541 patients with S. aureus bacteraemia was 66.8 (54.4-78.5) years and 39.6% were female. The median (IQR) Charlson Comorbidity Index was 6 (3-9). Overall, 144 patients died during the six-month period following their initial episode (30-day and 6-month mortality = 16.5% and 26.7%, respectively). In a multivariable analysis, older age, ICU admission, and unknown source of infection were significant predictors of increased 6-month mortality. In contrast, having an infectious diseases (ID) consultation was associated with reduced mortality in the first 2 weeks of follow-up. Secondary analyses revealed an early benefit of ID consultation during the first 30 days of follow-up and that infective endocarditis was an additional predictor of 6-month mortality. CONCLUSIONS To our knowledge, this investigation represents the only US population-based study evaluating predictors of mortality in patients with S. aureus bacteraemia. The finding of a short-term survival benefit associated with early ID consultation may be due to more extensive diagnostic efforts.
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Affiliation(s)
- Joya-Rita Hindy
- Division of Infectious Diseases, Department of Medicine, College of Medicine, Mayo Clinic, Rochester, MN, USA
| | - Juan A Quintero-Martinez
- Division of Infectious Diseases, Department of Medicine, College of Medicine, Mayo Clinic, Rochester, MN, USA
| | - Brian D Lahr
- Division of Clinical Trials & Biostatistics, Department of Quantitative Health Sciences, College of Medicine, Mayo Clinic, Rochester, MN, USA
| | - Daniel C DeSimone
- Division of Infectious Diseases, Department of Medicine, College of Medicine, Mayo Clinic, Rochester, MN, USA.,Department of Cardiovascular Disease, College of Medicine, Mayo Clinic, Rochester, MN, USA
| | - Larry M Baddour
- Division of Infectious Diseases, Department of Medicine, College of Medicine, Mayo Clinic, Rochester, MN, USA.,Department of Cardiovascular Disease, College of Medicine, Mayo Clinic, Rochester, MN, USA
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Dieperink SS, Mehnert F, Nørgaard M, Oestergaard LB, Benfield T, Petersen A, Torp-Pedersen C, Glintborg B, Hetland ML. Antirheumatic treatment, disease activity and risk of Staphylococcus aureus bacteraemia in rheumatoid arthritis: a nationwide nested case-control study. RMD Open 2022; 8:rmdopen-2022-002636. [PMID: 36517186 PMCID: PMC9756197 DOI: 10.1136/rmdopen-2022-002636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Accepted: 10/17/2022] [Indexed: 12/15/2022] Open
Abstract
OBJECTIVES To assess how biological disease-modifying antirheumatic drugs (bDMARDs), glucocorticoids and disease activity affect risk of Staphylococcus aureus bacteraemia (SAB) in patients with rheumatoid arthritis (RA). METHODS In a nationwide cohort of patients with RA from the DANBIO registry, we conducted a nested case-control study including first-time microbiologically verified SAB cases from 2010 to 2018 and incidence density matched controls (1:4 by sex, age). We interlinked Danish registries and identified antirheumatic treatments, RA-specific clinical characteristics, comorbidities and socioeconomic status. The relative risk of SAB was assessed by adjusted ORs with 95% CIs and number needed to harm (NNH) reflected the absolute risk. RESULTS Among 30 479 patients, we identified 180 SAB cases (incidence rate: 106.7/100 000 person-years) and matched 720 controls (57% women, median age 73 years, IQR: 65-80). Risk of SAB was increased in current (OR 1.8 (95% CI 1.1 to 3.2)) and former bDMARD users (OR 2.5 (95% CI 0.9 to 7.0)), and in current users of oral glucocorticoids ≤7.5 prednisolone-equivalent mg/day (OR 2.2 (95% CI 1.3 to 4.0) and >7.5 mg/day (OR 9.5 (95% CI 3.9 to 22.7)) (non-use as reference). ORs for moderate/high disease activity compared with remission were 1.6 (95% CI 0.8 to 3.3)/1.5 (95% CI 0.6 to 4.3). Risk was increased in patients with longstanding RA (>10 years vs ≤3 years, OR=2.4 (95% CI 1.1 to 5.3)). The NNH was 1172(95% CI 426 to 9374) for current use of bDMARDs and 110(95% CI 43 to 323) for glucocorticoids >7.5 mg/day. CONCLUSION We identified a dose-dependent increased risk of SAB in patients with RA currently using oral glucocorticoids. Daily use of >7.5 mg appeared to be a clinically relevant risk factor, whereas the absolute risk was low for bDMARDs. No clear impact of disease activity was found.
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Affiliation(s)
- Sabine Sparre Dieperink
- Copenhagen Center for Arthritis Research (COPECARE), Centre for Rheumatology and Spine Diseases, Centre of Head and Orthopaedics, Copenhagen University Hospital - Rigshospitalet, Glostrup, Denmark
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Frank Mehnert
- Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
| | - Mette Nørgaard
- Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
| | - Louise Bruun Oestergaard
- Cardiovascular Research Center, Copenhagen University Hospital - Herlev and Gentofte, Hellerup, Denmark
| | - Thomas Benfield
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
- Department of Infectious Diseases, Copenhagen University Hospital - Amager and Hvidovre, Copenhagen, Denmark
| | - Andreas Petersen
- Department of Bacteria, Parasites and Fungi, Statens Serum Institut, Copenhagen, Denmark
| | - Christian Torp-Pedersen
- Department of Cardiology, Copenhagen University Hospital - North Zealand, Hillerød, Denmark
- Department of Public Health, University of Copenhagen, Copenhagen, Denmark
| | - Bente Glintborg
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
- Copenhagen Center for Arthritis Research (COPECARE) and the DANBIO Registry, Centre for Rheumatology and Spine Diseases, Centre of Head and Orthopedics, Copenhagen University Hospital - Rigshospitalet, Glostrup, Denmark
| | - Merete Lund Hetland
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
- Copenhagen Center for Arthritis Research (COPECARE) and the DANBIO Registry, Centre for Rheumatology and Spine Diseases, Centre of Head and Orthopedics, Copenhagen University Hospital - Rigshospitalet, Glostrup, Denmark
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Significantly lower 30 day/inpatient mortality observed in people who inject drugs (PWID) compared to non-PWID with Staphylococcus aureus bacteraemia. J Infect 2022; 85:436-480. [PMID: 35724756 DOI: 10.1016/j.jinf.2022.06.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 06/05/2022] [Accepted: 06/11/2022] [Indexed: 11/21/2022]
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9
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OUP accepted manuscript. J Antimicrob Chemother 2022; 77:2288-2295. [DOI: 10.1093/jac/dkac152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Accepted: 04/10/2022] [Indexed: 11/13/2022] Open
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Papadimitriou-Olivgeris M, Monney P, Mueller L, Senn L, Guery B. The LAUsanne STAPHylococcus aureus ENdocarditis (LAUSTAPHEN) score: A prediction score to estimate initial risk for infective endocarditis in patients with S. aureus bacteremia. Front Cardiovasc Med 2022; 9:961579. [PMID: 36568565 PMCID: PMC9780492 DOI: 10.3389/fcvm.2022.961579] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2022] [Accepted: 11/17/2022] [Indexed: 12/13/2022] Open
Abstract
Introduction Infective endocarditis (IE) is a common complication of Staphylococcus aureus bacteremia (SAB). The study aimed to develop and validate a prediction score to determine IE risk among SAB. Methods This retrospective study included adults with SAB (2015-2021) and divided them into derivation and validation cohorts. Using the modified 2015 European Society of Cardiology modified Duke Criteria for definite IE, the LAUSTAPHEN score was compared to previous scores. Results Among 821 SAB episodes, 419 and 402 were divided into derivation and validation cohorts, respectively. Transthoracic and transoesophageal echocardiography (TOE) were performed in 77.5 and 42.1% of episodes, respectively. Definite IE was diagnosed in 118 episodes (14.4%). Derivation cohort established that cardiac predisposing factors, such as cardiac implantable electronic devices, prolonged bacteremia ≥48 h, and vascular phenomena were independently associated with IE. In addition to those parameters, native bone and joint infections were used to constitute the LAUSTAPHEN score. LAUSTAPHEN and VIRSTA scores misclassified <4% of IE cases as low risk. Misclassification using POSITIVE and PREDICT scores was >10%. The number of TOEs required to safely exclude IE were 66.9 and 51.6% with VIRSTA and LAUSTAPHEN, respectively. Discussion LAUSTAPHEN and VIRSTA scores exhibited the lowest misclassification rate of IE cases to the low-risk group. However, the number of patients requiring TOE was higher for VIRSTA than for LAUSTAPHEN.
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Affiliation(s)
- Matthaios Papadimitriou-Olivgeris
- Infectious Diseases Service, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
- Infection Prevention and Control Unit, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
- *Correspondence: Matthaios Papadimitriou-Olivgeris
| | - Pierre Monney
- Department of Cardiology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Linda Mueller
- Institute of Microbiology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Laurence Senn
- Infectious Diseases Service, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
- Infection Prevention and Control Unit, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Benoit Guery
- Infectious Diseases Service, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
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