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Apical periodontitis microbiome association with salivary and serum inflammatory burden.
Int Endod J
January 2025
Department of Endodontics, Centre of Oral Clinical and Translational Sciences, Faculty of Dentistry, Oral and Craniofacial Sciences, Guy's Dental Hospital, King's College London, London, UK.
Aims: Apical Periodontitis (AP) involves complex interactions between the root canal microbiome and the host immune response, with potential risk of local and systemic inflammatory burden, however there is no evidence available regarding correlation between microbiome and inflammatory marker levels. This study aims to identify the microbiome of saliva, intracanal and blood samples in AP subjects and investigate the correlation between intracanal and blood microbiomes with serum inflammatory biomarker levels, and salivary microbiomes with salivary inflammatory biomarker levels.
Methodology: Saliva, Intracanal and blood samples were collected from AP patients undergoing root canal retreatment.
The appropriate nutrient conditions for methicillin-resistant Staphylococcus aureus and Candida albicans dual-species biofilm formation in vitro.
Sci Rep
January 2025
Department of Biological and Medical Sciences, Charles University, Faculty of Pharmacy in Hradec Králové, 2089, Zborovská, Hradec Králové, 500 03, Czech Republic.
Polymicrobial biofilms, the reason for most chronic wound infections, play a significant role in increasing antibiotic resistance. The in vivo effectiveness of the new anti-biofilm therapy is conditioned by the profound evaluation using appropriate in vitro biofilm models. Since nutrient availability is crucial for in vitro biofilm formation, this study is focused on the impact of four selected cultivation media on the properties of methicillin-resistant Staphylococcus aureus and Candida albicans dual-species biofilms.
View Article and Find Full Text PDFNot "a cute" complication: phenotypic analysis of acute kidney injury in S. aureus bacteraemia.
Clin Microbiol Infect
December 2024
Menzies School of Health Research, Charles Darwin University, Darwin, Northern Territory, Australia; School of Medicine and Public Health and Hunter Medical Research Institute, University of Newcastle, Newcastle, Australia.
Objectives: In this large retrospective cohort analysis, we aimed to determine the incidence of KDIGO-defined acute kidney injury (AKI) within 14 days in patients with Staphylococcus aureus bacteraemia, and the association of AKI with 30-day mortality.
Methods: A retrospective cohort study of adults with S. aureus bacteraemia between 1998 to 2023 admitted to a large regional Australian health service.
[Investigation of sasX, ACME and Various Virulence Factors in Coagulase Negative Staphylococcal Strains Identified as Bloodstream Infection Agents and Contamination].
Mikrobiyol Bul
October 2024
Pamukkale University Faculty of Medicine, Department of Medical Microbiology, Denizli, Türkiye.
The aim of this study was to investigate the frequency of sasX, arginine catabolic mobile element (ACME) genes, biofilm formation and some biofilm related virulence factor genes in causative and contaminant coagulase negative staphylococci (CNS) strains isolated from blood cultures. Of the 150 CNS strains included in the study, 50 were grouped as infectious agents and 100 as contaminants. Biofilm formation of the strains was investigated by microplate method and the presence of sasX, ACME, mecA and biofilm associated virulence factor genes icaA, icaD, aap, bhp and IS256 were investigated by inhouse polymerase chain reaction method.
View Article and Find Full Text PDFCervical spine infection arising from chronic paronychia: A case report and review of literature.
World J Orthop
December 2024
Department of Orthopedics and Spine Surgery, Guangxi University of Traditional Chinese Medicine Affiliated International Zhuang Hospital, Nanning 530201, Guangxi Zhuang Autonomous Region, China.
Background: Cervical spine pyogenic infection (CSPI) is a rare and challenging form of spinal infection that is typically caused by pyogenic bacteria and primarily affects the cervical vertebral bodies and surrounding tissues. Given its nonspecific symptoms, such as fever and neck pain, early diagnosis is crucial to prevent severe complications, including spinal cord injury. We report a previously unreported case of acute CSPI arising from chronic paronychia, exploring its diagnostic and therapeutic challenges through a review of the current literature.
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