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Exploring infection risk factors and multi-drug-resistant organisms (MDROs) in burn intensive care units: a multi-centre case-control study.

BACKGROUND: Despite the widespread incidence of multi-drug-resistant organisms (MDROs) within burn centres, there is a lack of research inve … ignificantly more prone to MDRO infections. The most common isolated pathogen in the MDRO group was Acinetobacter baumannii (57%), and the most common infection was pneumonia (52.4%). The duration of MV and ICU LOS were significantly longer in the MDRO group compared with the non-MDRO group. No significant differences in the other outcomes were observed between the group …

Post-mortem investigation of deaths due to pneumonia in children aged 1-59 months in sub-Saharan Africa and South Asia from 2016 to 2022: an observational study.

BACKGROUND: The Child Health and Mortality Prevention Surveillance (CHAMPS) Network programme undertakes post-mortem minimally invasive tiss … to be hospital-acquired pneumonia), with the most common pathogens being K pneumoniae (64 [43·0%]), Acinetobacter baumannii (19 [12·8%]), S pneumoniae (15 [10·1%]), and Pseudomonas aeruginosa (15 [10·1%]). Overall, viruses were implicated in 145 (31·9%) of 455 pneumonia-related deaths, including 54 (11·9%) of 455 attributed to cytomegalovirus and 29 (6·4%) of 455 attribu …

Healthcare-associated infections in Africa: a systematic review and meta-analysis of point prevalence studies.

BACKGROUND: There is limited data to describe the point-prevalence of healthcare-associated infections (HAIs) among patients at a regional l … h gram negative bacteria including Klebsiella pneumoniae, Escherichia coli, Pseudomonas aeruginosa, Acinetobacter baumannii and Citrobacter been the most common microorganisms and accounted for 40%-100% of the pathogens. CONCLUSIONS: The pooled point-prevalence of HAIs in Africa is more than two times higher than the rate reported in developed countries. The prevalence …

Detection of 5 Kinds of Genes Related to Plasmid-Mediated Quinolone Resistance in Four Species of Nonfermenting Bacteria with 2 Drug Resistant Phenotypes.

OBJECTIVE: This study aimed to detect 5 kinds of genes related to plasmid-mediated quinolone resistance in four species of nonfermenting bacteria with 2 drug resistance phenotypes (multidrug resistance and pandrug resistance), which were Acinetobacter baumannii (Ab), Pseudomonas aeruginosa (Pa), Stenotrophomonas maltophilia (Sm), and Elizabethkingia meningoseptica (Em). METHODS: The Phoenix NMIC/ID-109 panel and API 20NE panel were applied to 19 isolated strains, including 6 Ab strains (2 strains with multidrug resistance and 4 strains with pandrug resistance), 6 Pa strains (3 strains with mu…

[Study on risk factor of central venous catheter infection in ICU: 1 160 patients report].

OBJECTIVE: To analyze the etiology and risk factors of central venous catheter (CVCs) infections, and to explore the prophylaxis and treatme … ive (G+), and 94 strains of fungi (23.68%). Non-fermenting bacteria (Pseudomonas aeruginosa 11.59%, Acinetobacter baumannii 8.82%) was predominant in the G- bacteria, followed by Enterobacteria (Klebsiella pneumoniae 8.06%, Escherichia coli 2.02%); Staphylococcus spp. (Staphylococcus epidermidis 11.84%, Staphylococcus aureus 5.29%) was the main species of G+ bacteria; th …

Severe infections and infection-related mortality in a large series of haploidentical hematopoietic stem cell transplantation with post-transplant cyclophosphamide.

Severe infections and their attributable mortality are major complications in recipients of allogeneic hematopoietic stem cell transplantation (alloSCT). We herein report 236 adult patients who received haploSCT with PTCy. The median follow-up for survivors was 37 months. The overall incidence of bloodstream infections by gram-positive and gram-negative bacteria at 37 months was 51% and 46%, respectively. The incidence of cytomegalovirus infection was 69%, while Epstein Barr virus infections occurred in 10% of patients and hemorrhagic cystitis in 35% of cases. Invasive fungal infections occurr

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… baumannii) . … A MDR strain was involved in 6/13 (46%) deaths by GNB, while only 16/83 (19%) overall isolated were MDR, and three additional patients died due to Acinetobacter baumannii, Serratia marcescens, and Stenotrophomonas maltophilia . …

Difficult-to-treat resistant Gram-negative bacteria and genomic resemblances between colonization and infection among patients in an intensive care unit of a tertiary care hospital in Bangladesh.

Colonization with difficult-to-treat-resistant Gram-negative bacteria (DTR-GNB) increases the risk of subsequent infections with limited tre … (13.9%) patients evaluated for suspected infection, 30 (57.7%) had positive cultures, predominantly Acinetobacter baumannii (n = 15) and Klebsiella pneumoniae (n = 11) of DTR-phenotypes. Compared to non-colonized patients, patients colonized with DTR-GNB had higher risks of infections (risk ratio [RR]: 2.18, 95% CI: 1.27-3.76) and longer ICU stays (median 7 vs 2 days, P …

[Prognostic risk factors of catheter-related bloodstream infection in patients with maintenance hemodialysis].

OBJECTIVE: To analyze the pathogen distribution and prognostic risk factors of catheter-related bloodstream infection (CRBSI) in patients wi … 3 strains of Gram-negative bacteria, 1 strain each of Pseudomonas aeruginosa, Escherichia coli and Acinetobacter baumannii. Univariate analysis showed that the fever duration of MHD patients with CRBSI in the poor prognosis group was significantly longer than that in the good prognosis group [days: 8.50 (3.75, 45.00) vs. 2.50 (1.00, 4.75), P < 0.01], serum erythrocyte s …

Causes of Death Among Infants and Children in the Child Health and Mortality Prevention Surveillance (CHAMPS) Network.

IMPORTANCE: The number of deaths of children younger than 5 years has been steadily decreasing worldwide, from more than 17 million annual d … tococcus pneumoniae (109 of 549 [19.9%]). Other organisms, such as cytomegalovirus (57 [10.4%]) and Acinetobacter baumannii (39 [7.1%]; 35 of 39 [89.7%] considered nosocomial), also played important roles. For the top underlying causes of death, the median number of conditions in the chain of events leading to death was 3 for malnutrition, 3 for HIV, 1 for malaria, 3 for …

[Analysis of pathogen spectrum and antimicrobial resistance of pathogens associated with hospital-acquired infections collected from 11 teaching hospitals in 2018].

Objective: To investigate the spectrum and antimicrobial resistance of major pathogens causing nosocomial infections in China, 2018. Methods: Non-duplicated nosocomial cases as well as pathogens causing bloodstream infections (BSI), hospital-acquired pneumonia (HAP) and intra-abdominal infections (IAI) from 11 teaching hospitals across China were collected. The minimum inhibitory concentrations (MICs) of clinically significant strains were determined by agar dilution method or broth microdilution method. The Clinical and Laboratory Standards Institute (CLSI) M100-S29 criteria were used for int

[Clinical analysis of sepsis with extensively drug resistant Gram-negative bacteria in intensive care unit treated with polymyxin B-based combination therapy].

OBJECTIVE: To investigate the clinical efficacy and safety of polymyxin B in the treatment of sepsis caused by extensively-drug resistant (X … pathogenic bacteria were detected from 39 patients. Among them, with the high estrate of detecting Acinetobacter baumannii of 51.5% (34/66). After treatment with polymyxin B, the results showed that the clearance rate of microorganisms was 65.2% (43/66), the overall effective rate was 59.0% (23/39), and the 28-day all-cause mortality was 41.0% (16/39). There were no sig …

Acquisition of mcr-1 and Cocarriage of Virulence Genes in Avian Pathogenic Escherichia coli Isolates from Municipal Wastewater Influents in Japan.

This study focused on the detection of the plasmid-mediated mcr colistin resistance gene in Escherichia coli isolates from wastewater treatm … negative bacteria, in particular carbapenemase-producing Enterobacteriaceae and multidrug-resistant Acinetobacter baumannii An increasing prevalence of mcr genes in diverse Enterobacteriaceae species, mainly Escherichia coli and Klebsiella pneumoniae from humans and food animals, has become a significant concern to public health all over the world. In Japan, mcr genes ha …

[Diversity analysis of biofilm bacteria on tracheal tubes removed from intubated neonates].

OBJECTIVE: The catheter-related infections caused by mechanical ventilation have become a intractable clinical problem, and it is related to … um culture from 26 newborns, including 10 strains (45%) of Klebsiella pneumoniae, 2 strains (9%) of Acinetobacter baumannii, Enterobacter cloacae and non-cultured bacterium in each patient (5%), but only one bacterium isolated from every sputum. Eight sputum samples had normal flora only, corresponding to the ETTs on which Klebsiella and other bacterial genuses were foun …

Polyphenolic natural products as photosensitizers for antimicrobial photodynamic therapy: recent advances and future prospects.

Antimicrobial photodynamic therapy (aPDT) has become a potent contender in the fight against microbial infections, especially in the context of the rising antibiotic resistance crisis. Recently, there has been significant interest in polyphenolic natural products as potential photosensitizers (PSs) in aPDT, given their unique chemical structures and inherent antimicrobial properties. Polyphenolic natural products, abundant and readily obtainable from natural sources, are generally regarded as safe and highly compatible with the human body. This comprehensive review focuses on the latest develo

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… baumannii . … Aloe-emodin-mediated antimicrobial photodynamic therapy against multidrug-resistant Acinetobacter baumannii: An in vivo study. Photodiagnosis Photodyn Ther (2021) 34:102311. doi: 10.1016/j.pdpdt.2021.102311 128. Li J, Wang X, Jiang H, Lu X, Zhu Y, Chen B. …

Microbial Diversity and Infection Burden in Central Nervous System (CNS) Shunt and Drain Devices: A Prospective Observational Study.

INTRODUCTION: Device-associated central nervous system infections are a subgroup of healthcare-associated infections that occur when either … was the most frequently isolated organism (51.6%), followed by Pseudomonas aeruginosa (19.35%) and Acinetobacter baumannii (9.68%). Device-wise distribution showed that K. pneumoniae  was the predominant organism isolated from EVD (42.8%), VPS (55.55%), and Ommaya reservoirs (83.33%). Infections were more common during hot and humid months, with the highest DAI rate in …

A Case-Control Study on Risk Factors of Pulmonary Infection in Patients with Type 2 Diabetes Mellitus and Its Implications for Clinical Intervention.

OBJECTIVE: To analyze the risk factors of pulmonary infection in patients with type 2 diabetes mellitus (T2DM) and its implications for clin … teria were mainly Klebsiella pneumoniae, accounting for 25.00%, followed by Pseudomonas aeruginosa, Acinetobacter baumannii, and Escherichia coli. Gram-positive bacteria were mainly Staphylococcus aureus, accounting for 17.65%, followed by Streptococcus pneumoniae and Staphylococcus haemolyticus. The main fungi were Candida albicans (4.41%). The age, the course of T2DM, …

Antimicrobial resistance profile of extended-spectrum beta-lactamases, adenosine-monophosphate-cyclic, and carbapenemase-producing Gram-negative bacteria isolated from domestic animals.

BACKGROUND AND AIM: The production of beta-lactamase enzymes, such as extended-spectrum beta-lactamase (ESBL), adenosine-monophosphate-cycli … ts are involved in horizontal transfer. At present, the Gram-negative pathogens of most concern are Acinetobacter baumannii, Pseudomonas aeruginosa, and those belonging to the Enterobacteriaceae family (e.g., Escherichia coli, K. pneumoniae, and Proteus mirabilis). This study aimed to evaluate the profile of antimicrobial resistance and the production of the enzymes ESBL …

The diagnostic and prognostic utility of blood metagenomic next-generation sequencing for invasive pulmonary aspergillosis.

UNLABELLED: Differentiating invasive pulmonary aspergillosis (IPA) from colonization in patients with Aspergillus-positive blood metagenomic … up was dominated by polymicrobial co-infections, including clinically significant pathogens such as Acinetobacter baumannii, Klebsiella pneumoniae, Mucor spp., and Human cytomegalovirus; in contrast, the colonization group primarily featured single viral co-infections. While mNGS effectively detected Aspergillus, RPM alone showed limited ability to discriminate infection …

[Application and clinical efficacy of ultrasound debridement method in residual burn wounds].

Objective: To investigate the application and clinical efficacy of ultrasound debridement method in residual burn wounds. Methods: A retrosp … ement group were infected with Staphylococcus aureus in 5 cases, Pseudomonas aeruginosa in 3 cases, Acinetobacter baumannii in 1 cases, Klebsiella pneumoniae in 1 cases, and Enterobacter cloacae in 1 cases. The positive rate of bacteria of wound in ultrasound debridement group was significantly lower than that in traditional debridement group (χ2=5.51, P<0.05). On postop …

[Diagnostic value of detection of pathogens in bronchoalveolar lavage fluid by metagenomics next-generation sequencing in organ transplant patients with pulmonary infection].

OBJECTIVE: To evaluate the diagnostic value of metagenomics next-generation sequencing (mNGS) in detecting pathogens in bronchoalveolar lava … S. Among the microorganisms isolated by mNGS method, the detection rates of Pseudomonas aeruginosa, Acinetobacter baumannii and Klebsiella pneumoniae were higher [51.4% (18/35), 42.9% (15/35), 31.4% (11/35), respectively]; Candida albicans, Aspergillus and Pneumocystis carinii were the most commonly detected fungi [31.4% (11/35), 22.9% (8/35), 22.9% (8/35), respectively] …