A systematic review and individual bacterial species level meta-analysis of in vitro studies on the efficacy of ceftazidime/avibactam combined with other antimicrobials against carbapenem-resistant Gram-negative bacteria.

Background: Carbapenem-resistant Gram-negative bacteria (CR-GNB) develop resistance to many antimicrobials. To effectively manage infections caused by these organisms, novel agents and/or combinations of antimicrobials are required.

Objectives: Evaluated the in vitro efficacy of ceftazidime/avibactam in combination with other antimicrobials against CR-GNB.

An agarose fluidic chip for high-throughput organoid imaging.

Modern cell and developmental biology increasingly relies on 3D cell culture systems such as organoids. However, routine interrogation with microscopy is often hindered by tedious, non-standardized sample mounting, limiting throughput. To address these bottlenecks, we have developed a pipeline for imaging intact organoids in flow, utilizing a transparent agarose fluidic chip that enables efficient and consistent recordings with theoretically unlimited throughput.

Long-term co-circulation of multiple arboviruses in southeast Australia revealed by xeno-monitoring and viral whole-genome sequencing.

Arbovirus surveillance of wild-caught mosquitoes is an affordable and sensitive means of monitoring virus transmission dynamics at various spatial-temporal scales, and emergence and re-emergence during epidemic and interepidemic periods. A variety of molecular diagnostics for arbovirus screening of mosquitoes (known as xeno-monitoring) are available, but most provide limited information about virus diversity. Polymerase chain reaction (PCR)-based screening coupled with RNA sequencing is an increasingly affordable and sensitive pipeline for integrating complete viral genome sequencing into surveillance programs.

Linear Mixed Modeling of Federated Data When Only the Mean, Covariance, and Sample Size Are Available.

In medical research, individual-level patient data provide invaluable information, but the patients' right to confidentiality remains of utmost priority. This poses a huge challenge when estimating statistical models such as a linear mixed model, which is an extension of linear regression models that can account for potential heterogeneity whenever data come from different data providers. Federated learning tackles this hurdle by estimating parameters without retrieving individual-level data.

Characterization of Newly Isolated Bacteriophages Targeting Carbapenem-Resistant Klebsiella pneumoniae.

Klebsiella pneumoniae, a Gram-negative opportunistic pathogen, is increasingly resistant to carbapenems in clinical settings. This growing problem necessitates the development of alternative antibiotics, with phage therapy being one promising option. In this study, we investigated novel phages targeting carbapenem-resistant Klebsiella pneumoniae (CRKP) and evaluated their lytic capacity against clinical isolates of CRKP.

The spread of molecular markers of artemisinin partial resistance and diagnostic evasion in Eritrea: a retrospective molecular epidemiology study.

Background: Eritrea was the first African country to discontinue the use of histidine rich protein 2 (HRP2)-detecting rapid diagnostic tests (RDTs) for malaria diagnosis following reports of a high prevalence of pfhrp2/3-deleted Plasmodium falciparum parasites causing false-negative results in the country. Eritrea was also the first African country to report partial artemisinin resistance due to the P falciparum kelch13 (pfk13) Arg622Ile mutation. We aimed to characterise the spatial distribution of pfk13 mutants and their interactions with pfhrp2/3 deletions in Eritrea and to assess the role of the use of HRP2-detecting RDTs and antimalarial (artesunate-amodiaquine) therapy in the spread of the two variants.

Cellular respiration in dendritic cells: Exploring oxygen-dependent pathways for potential therapeutic interventions.

Dendritic cells (DCs) are specialized antigen-presenting cells crucial for initiating and regulating adaptive immune responses, making them promising candidates for therapeutic interventions in various immune-mediated diseases. Increasing evidence suggests that the microenvironment in which cells are cultured, as well as the milieu in which they perform their functions, significantly impact their immunomodulatory properties. Among these environmental factors, the role of oxygen in DC biology and its significance for both their in vitro generation and in vivo therapeutic application require investigation.

Pathogen genomics in healthcare: overcoming barriers to proactive surveillance.

Pathogen genomic surveillance in healthcare has the potential to enhance patient safety by detecting outbreaks earlier, thereby reducing morbidity and mortality. Despite benefits, there are barriers to adoption, including cost, expertise, and lack of standardized methodologies and incentives. This commentary advocates for 1) investment from healthcare payors, public health, and regulatory bodies and 2) additional research on genomic surveillance for improving patient outcomes and reducing infections.

The effects of a home telerehabilitation-based program on the cardiopulmonary function and quality of life in post-COVID-19 patients.

Background: Relatively few studies have explored the impact of home telerehabilitation-based (HTB) programs on patients with post-COVID-19 syndrome. Thus, this study aimed to investigate the effect of HTB programs on the cardiopulmonary function, body composition, muscle strength, and quality of life (QoL) of patients with post-COVID-19 syndrome.

Methods: A quasi-experimental study was performed.

"The doctors were more knowledgeable about what I had": patient views on the value of point-of-care tests for managing respiratory infections in European primary care.

Background: Point-of-care tests (POCT) can support diagnosis of patients with community acquired acute respiratory tract infections (CA-RTI) in primary care and thereby reduce uncertainty whether antibiotics may benefit patients. However, successful roll out of POCTs need to be built on a deep understanding of patients' perspectives on the place of POCTs in patient centred care.

Aim: To explore patients' perceptions of the value of POCTs during consultations for CA-RTI.

Prescription Practices and Usage of Antimicrobials in a Tertiary Teaching Hospital in Rwanda: A Call for Antimicrobial Stewardship.

Antimicrobial resistance (AMR) is a global problem that results in high morbidity and mortality, particularly in low- and middle-income countries. Inappropriate use of antimicrobials is a major driver of AMR. This study aimed to evaluate the rate and quality of antimicrobial prescription and use at the University Teaching Hospital of Kigali (CHUK), a tertiary-referral teaching hospital.

Splenic Modulation of Plasmodium vivax Relapses and Hypnozoite Activation during the Second World War?

Despite their colonial experience with tropical medicine, Allied (United States, United Kingdom, Australia, and India) Armies in the Indo-Pacific region were surprised by the large number of Plasmodium vivax infections in their soldiers during the Second World War. Even after the institution of effective chemoprophylaxis with quinacrine, multiple cycles of clinical relapses often occurred when months of medication was discontinued. Nearly monthly symptomatic relapses (>10) were not unusual and resulted in important manpower losses after each campaign.

Emerging technology solutions to support national emergency workforce capacity-building initiatives: lessons from Ugandan policy and practice.

Trauma and emergency care is a national priority in Uganda due to the high burden of injury, impacting a primarily young and rural population. With a significant gap in qualified emergency medicine professionals, a need exists to rapidly upskill the current health workforce and to strengthen access to learning for non-specialist emergency care providers nationally. This review was completed in partnership with the Ugandan Ministry of Health and a consortium of UK partners to support national emergency workforce capacity building in Uganda and East Africa.

Comparative genomic and phenotypic analysis of low- and high-virulent Acinetobacter baumannii strains: Insights into antimicrobial resistance and virulence potential.

Multi-drug resistant Acinetobacter baumannii poses a significant threat to public health. This study investigated the genomic features and phenotypic characteristics of two clinical A. baumannii strains, KBN10P01317 (low-virulent) and KBN10P01599 (high-virulent), which share the same sequence type and antimicrobial susceptibility profile.

A longitudinal point prevalence survey of antimicrobial use and resistance in tertiary care hospitals in Kerman: results from the national Iranian multicenter point prevalence survey of antimicrobials in 2021.

Background: The Global Point Prevalence Survey (PPS) of antimicrobial consumption and resistance has been widely undertaken to combat the global threat of antimicrobial resistance (AMR). This study was conducted in alignment with the Global-PPS in three tertiary care hospitals in Kerman, Iran, to evaluate antimicrobial consumption patterns.

Methods: The study was conducted from January 2020 to January 2021 in Afzalipour, Shafa, and Shahid Bahonar Hospitals.

Impact of Pseudomonas aeruginosa carriage on intensive care unit-acquired pneumonia: a European multicentre prospective cohort study.

Objectives: Pseudomonas aeruginosa (PA) is a common causative pathogen of pneumonia acquired in the intensive care unit (ICU). The aim of this study was to determine the incidence of PA ICU pneumonia (PAIP) and to quantify its independent association with PA colonization at different body sites.

Methods: Adult patients on mechanical ventilation at ICU admission were prospectively enrolled across 30 European ICUs.

Identification of a 5-Plex Cytokine Signature that Differentiates Patients with Multiple Systemic Inflammatory Diseases.

Patients with non-infectious systemic inflammation may suffer from one of many diseases, including hyperinflammation (HI), autoinflammatory disorders (AID), and systemic autoimmune disease (AI). Despite their clinical overlap, the pathophysiology and patient management differ between these disorders. We aimed to investigate blood biomarkers able to discriminate between patient groups.

H-NS is a Transcriptional Repressor of the CRISPR-Cas System in Acinetobacter baumannii ATCC 19606.

Acinetobacter baumannii is a multidrug-resistant opportunistic pathogen primarily associated with hospital-acquired infections. The bacterium can gain multidrug resistance through several mechanisms, including horizontal gene transfer. A CRISPR-Cas system including several Cas genes could restrict the horizontal gene transfer.

Case studies on the progress of cervical cancer screening programs in Bhutan, India, and Türkiye.

International stakeholders gathered in New Delhi, India, in December 2022 to share experiences on human papillomaviruses (HPV) prevention and control strategies. As part of a supplementary publication from the meeting proceedings, this paper describes secondary HPV prevention strategies highlighting the varying degrees of progress and challenges through case studies from Bhutan, India, and Türkiye. India has implemented national screening guidelines, primarily using visual inspection with acetic acid (VIA), but achieving a low coverage rate of 1.