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https://www.readbyqxmd.com/read/29342251/kinetics-of-serological-responses-in-critically-ill-patients-hospitalized-with-influenza-a-h1n1-pdm09-virus-infection-in-canada-2009-2011
#1
Melissa A Rolfes, F Liaini Gross, Brendan Flannery, Adrienne F A Meyers, Ma Luo, Nathalie Bastien, Robert A Fowler, Jacqueline M Katz, Min Z Levine, Anand Kumar, Timothy M Uyeki
Background: The kinetics of the antibody response during severe influenza are not well documented. Methods: Critically ill patients with influenza A(H1N1)pdm09 virus infection, confirmed by RT-PCR or seroconversion (≥4-fold rise in titers), during 2009-2011 in Canada were prospectively studied. Antibody titers in serially collected sera were determined using hemagglutinin inhibition (HAI) and microneutralization assays. Average antibody curves were estimated using linear mixed effects models and compared by patient outcome, age, and corticosteroid treatment...
January 12, 2018: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29341872/a-cqferritin-protein-inhibits-white-spot-syndrome-virus-infection-via-regulating-iron-ions-in-red-claw-crayfish-cherax-quadricarinatus
#2
Xiao-Xiao Chen, Yan-Yao Li, Xue-Jiao Chang, Xiao-Lu Xie, Yu-Ting Liang, Ke-Jian Wang, Wen-Yun Zheng, Hai-Peng Liu
It is well known that iron is an essential element for all living organism. The intracellular iron availability is also important for the host's innate immune response to various pathogens, in which the iron homeostasis can be regulated by ferritin due to its iron storage property. In this study, a full-length cDNA sequence of ferritin (named as CqFerritin) was identified with 1410 bp from red claw crayfish Cherax quadricarinatus, which contained an open reading frame of 513 bp, encoding 170 amino acids with a conserved ferritin domain...
January 13, 2018: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/29340898/epidemiological-aspects-of-healthcare-associated-infections-and-microbial-genomics
#3
C Mirande, I Bizine, A Giannetti, N Picot, A van Belkum
Hospital-acquired infections (HAIs) are a cause of continuously increasing morbidity and mortality. Most of these infections are caused by a limited set of bacterial species, which share the capability to efficiently spread from patient to patient and to easily acquire antibiotic resistance determinants. This renders correct and rapid species identification and antibiotic susceptibility testing (AST) important and underscores the relevance of bacterial epidemiological typing. The latter is needed for the sensitive detection and exact tracing of nosocomial spread of these potentially multidrug-resistant microorganisms (MDRO)...
January 17, 2018: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/29340609/impact-of-antibiotic-stewardship-programmes-in-asia-a-systematic-review-and-meta-analysis
#4
Chun Fan Lee, Benjamin J Cowling, Shuo Feng, Hanae Aso, Peng Wu, Keiji Fukuda, Wing Hong Seto
Background: The use of antibiotic stewardship programmes (ASPs) is increasing in Asia, but their effectiveness in reducing antibiotic consumption and their impact on clinical outcomes is not known. Objectives: To determine the impact of ASPs conducted in Asia on the consumption of antibiotics and on patients' clinical outcomes. Methods: We systematically searched the Embase and Medline (PubMed) databases for studies that compared antibiotic consumption or clinical outcomes of patients in an Asian hospital or clinic with an ASP (intervention) with those in a similar setting without an ASP (control)...
January 11, 2018: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29338666/boosted-tca-cycle-enhances-survival-of-zebrafish-to-vibrio-alginolyticus-infection
#5
Man-Jun Yang, Zhi-Xue Cheng, Ming Jiang, Zao-Hai Zeng, Bo Peng, Xuan-Xian Peng, Hui Li
Vibrio alginolyticus is a waterborne pathogen that infects a wide variety of hosts including fish and human, and the outbreak of this pathogen can cause a huge economic loss in aquaculture. Thus, enhancing host's capability to survive from V. alginolyticus infection is key to fighting infection and this remains still unexplored. In the present study, we established a V. alginolyticus-zebrafish interaction model by which we explored how zebrafish survived from V. alginolyticus infection. We used GC-MS based metabolomic approaches to characterize differential metabolomes between survival and dying zebrafish upon infection...
January 17, 2018: Virulence
https://www.readbyqxmd.com/read/29336685/seroprevalence-of-q-fever-among-the-indigenous-people-orang-asli-of-peninsular-malaysia
#6
Chee-Sieng Khor, Nurul-Farhana Mohd-Rahim, Habibi Hassan, Josephine Rebecca Chandren, Siti-Sarah Nore, Jefree Johari, Shih-Keng Loong, Juraina Abd-Jamil, Jing-Jing Khoo, Hai-Yen Lee, Brian L Pike, Li Ping Wong, Yvonne Ai-Lian Lim, Keivan Zandi, Sazaly AbuBakar
Q fever is a disease caused by Coxiella burnetii. It is a disease of public health concern in many parts of the world. In this study, we described the seroprevalence of Q fever among selected populations of Orang Asli (OA), indigenous people, many of whom live within the forest fringe areas of Peninsular Malaysia. Serum samples were obtained from 887 OA participants from selected villages. Samples were analyzed for the presence of IgG antibodies reactive against C. burnetii by enzyme-linked immunosorbent assay...
January 16, 2018: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/29335843/study-on-the-clinical-features-and-prognosis-of-penicilliosis-marneffei-without-human-immunodeficiency-virus-infection
#7
Ying-Ge Wang, Jin-Mei Cheng, Hai-Bo Ding, Xi Lin, Guo-Hao Chen, Mei Zhou, Sheng-Nan Ye
OBJECTIVE: To improve the diagnosis and treatment of Penicilliosis marneffei without human immunodeficiency virus infection. METHODS: Analyze and review the clinical features, diagnosis and treatment of six cases of P. marneffei without human immunodeficiency virus infection at The First Affiliated Hospital of Fujian Medical University. RESULTS: Two cases were diagnosed in the ENT Department, three cases in the respiratory department and one case in the dermatological department...
January 15, 2018: Mycopathologia
https://www.readbyqxmd.com/read/29335082/-a-comparative-analysis-of-anti-n-methyl-d-aspartate-receptor-encephalitis-with-or-without-abnormal-findings-on-cranial-magnetic-resonance-imaging
#8
Jian-Zhao Zhang, Qian Chen, Ping Zheng, Li-Na Xie, Xiao-Li Yi, Hai-Tao Ren, Jian Yang
OBJECTIVE: To investigate the clinical features of children with anti-N-methyl-D-aspartate receptor (anti-NMDAR) encephalitis with normal or abnormal cranial magnetic resonance imaging (MRI) findings via a comparative analysis. METHODS: A retrospective analysis was performed for the clinical data of 33 children with anti-NMDAR encephalitis. The clinical features and prognosis were compared between the children with normal and abnormal cranial MRI findings. RESULTS: In the 33 children with anti-NMDAR encephalitis, the most common initial symptoms were seizures (61%) and involuntary movement (61%), followed by language disorder (54%), mental and behavioral abnormalities (52%), and disturbance of consciousness (30%)...
January 2018: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/29333103/interleukin-35-level-is-elevated-in-patients-with-chronic-hepatitis-b-virus-infection
#9
Sheng-Tao Cheng, Ding Yuan, Yi Liu, Ying Huang, Xiang Chen, Hai-Bo Yu, Lin He, Hui Jiang, Ji-Hua Ren, Juan Chen
Backgrounds: As one of the major public health problems, the hepatitis B virus (HBV) infection would activate the immune system. The outcome of HBV infection was affect significantly by the interactions between HBV and host immune response. Interleukins play important role in anti-viral immunity. Here we investigated the role of interleukin-35 (IL-35) in chronic HBV infection patients. Methods/Results: Serum IL-35 in 72 chronic hepatitis B virus infection patients and 41 healthy control subjects were analyzed by ELISA assay...
2018: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/29330116/tnf-%C3%AE-increases-staphylococcus-aureus-induced-death-of-human-alveolar-epithelial-cell-line-a549-associated-with-rip3-mediated-necroptosis
#10
Shun-Hang Wen, Luo-Na Lin, Hu-Jun Wu, Lu Yu, Li Lin, Li-Li Zhu, Hai-Yan Li, Hai-Lin Zhang, Chang-Chong Li
AIM: To explore the role of tumor necrosis factor-alpha (TNF-α) on Staphylococcus aureus-induced necroptosis in alveolar epithelial cells. MAIN METHODS: The A549 alveolar epithelial cell line was pretreated with small interfering RNA (siRNA) against receptor interacting protein-3 (RIP3) and then stimulated by S. aureus, where some cells were pretreated with TNF-α or TNF-α with anti-TNF-α antibody simultaneously. A549 cell death was assessed using lactate dehydrogenase (LDH) leakage and flow cytometry analyses...
January 9, 2018: Life Sciences
https://www.readbyqxmd.com/read/29329922/a-multistate-investigation-of-health-care-associated-burkholderia-cepacia-complex-infections-related-to-liquid-docusate-sodium-contamination-january-october-2016
#11
Janet Glowicz, Matthew Crist, Carolyn Gould, Heather Moulton-Meissner, Judith Noble-Wang, Tom J B de Man, K Allison Perry, Zachary Miller, William C Yang, Stephen Langille, Jessica Ross, Bobbiejean Garcia, Janice Kim, Erin Epson, Stephanie Black, Massimo Pacilli, John J LiPuma, Ryan Fagan
BACKGROUND: Outbreaks of health care-associated infections (HAIs) caused by Burkholderia cepacia complex (Bcc) have been associated with medical devices and water-based products. Water is the most common raw ingredient in nonsterile liquid drugs, and the significance of organisms recovered from microbiologic testing during manufacturing is assessed using a risk-based approach. This incident demonstrates that lapses in manufacturing practices and quality control of nonsterile liquid drugs can have serious unintended consequences...
January 9, 2018: American Journal of Infection Control
https://www.readbyqxmd.com/read/29326004/health-care-associated-infections-in-iran-a-national-update-for-the-year-2015
#12
Babak Eshrati, Hossein Masoumi Asl, Shirin Afhami, Zahra Pezeshki, Arash Seifi
BACKGROUND: A national surveillance system for health care-associated infections (HAIs) in Iran is relatively new, and an update on incidence and mortality rates can aid clinicians and stakeholders in development of new guidelines and imperative modifications to be made. METHODS: Data were extracted from the national HAIs surveillance software for more than 7 million hospitalizations during 2015. Data regarding age, gender, deaths, ward of admission, and microbiologic findings were collected and analyzed...
January 9, 2018: American Journal of Infection Control
https://www.readbyqxmd.com/read/29325400/eliminating-healthcare-associated-infections-in-iran-a-qualitative-study-to-explore-stakeholders-views
#13
Atefeh Esfandiari, Hedayat Salari, Arash Rashidian, Hossein Masoumi Asl, Abbas Rahimi Foroushani, Ali Akbari Sari
BACKGROUND: Although preventable, healthcare-associated infections (HAIs) continue to pose huge health and economic burdens on countries worldwide. Some studies have indicated the numerous causes of HAIs, but only a tiny literature exists on the multifaceted measures that can be used to address the problem. This paper presents stakeholders' opinions on measures for controlling HAIs in Iran. METHODS: We used the qualitative research method in studying the phenomenon...
April 15, 2017: International Journal of Health Policy and Management
https://www.readbyqxmd.com/read/29324651/incidence-microbiological-profile-and-risk-factors-of-healthcare-associated-infections-in-intensive-care-units-a-10-year-observation-in-a-provincial-hospital-in-southern-poland
#14
Małgorzata Kołpa, Marta Wałaszek, Agnieszka Gniadek, Zdzisław Wolak, Wiesław Dobroś
Healthcare-associated infections (HAIs) occurring in patients treated in an intensive care unit (ICU) are serious complications in the treatment process. Aetiological factors of these infections can have an impact on treatment effects, treatment duration and mortality. The aim of the study was to determine the prevalence and microbiological profile of HAIs in patients hospitalized in an ICU over a span of 10 years. The active surveillance method was used to detect HAIs in adult patients who spent over 48 h in a general ICU ward located in southern Poland between 2007 and 2016...
January 11, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29324307/integrin-alpha5beta1-suppresses-rbmscs-anoikis-and-promotes-nitric-oxide-production
#15
Hai-Ying Chen, Li Pan, Hong-Li Yang, Peng Xia, Wan-Cheng Yu, Wen-Qiang Tang, Ying-Xin Zhang, Shuang-Feng Chen, Yu-Zeng Xue, Le-Xin Wang
BACKGROUND: Cell based therapy has been heralded as a novel, promising therapeutic strategy for cardiovascular diseases including pulmonary arterial hypertension (PAH). However, the low survival rate after transplantation due to cell death via anoikis is a major obstacle in stem cell therapy. Cells adhesion via Integrin alpha5beta1 (ITGA5B1) has a tendency to exert higher maximum forces. The present study aimed to evaluate the potential protective effect of ITGA5B1 on rat bone marrow mesenchymal stem cells (rBMSCs) from anoikis...
January 8, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29317911/a-quality-assurance-investigation-of-clabsi-events-are-there-exceptions-to-never
#16
Samantha Strickler, Rohit R Gupta, John T Doucette, Roopa Kohli-Seth
Background: In the USA, central line associated blood stream infections (CLABSIs) have been designated as 'never events', prompting initiatives towards a 'zero CLABSIs' standard. We propose that there are cascading risk factors predisposing certain patient cohorts to higher CLABSIs rates. Methods: A retrospective review of all CLABSI infections over a 12-month period was undertaken. Risk factors examined included catheter type, insertion site and parenteral nutrition (PN) status...
January 2018: Journal of Infection Prevention
https://www.readbyqxmd.com/read/29317909/implementing-the-aseptic-non-touch-technique-antt%C3%A2-clinical-practice-framework-for-aseptic-technique-a-pragmatic-evaluation-using-a-mixed-methods-approach-in-two-london-hospitals
#17
Simon Clare, Stephen Rowley
Background: Aseptic technique is an important infection prevention competency for protecting patients from healthcare-associated infection (HAI). Healthcare providers using the Aseptic Non Touch Technique (ANTT®) aseptic technique have demonstrated reduced variability and improved compliance with aseptic technique. Objectives: The primary aim of this study is to determine whether standardizing aseptic technique for invasive IV procedures, using the ANTT® - Clinical Practice Framework (CPF), increases staff compliance with the infection prevention actions designed to achieve a safe and effective aseptic technique, and whether this is sustainable over time...
January 2018: Journal of Infection Prevention
https://www.readbyqxmd.com/read/29313864/trend-of-mdr-microorganisms-isolated-from-the-biological-samples-of-patients-with-hai-and-from-the-surfaces-around-that-patient
#18
Vincenza La Fauci, Gaetano Bruno Costa, Adriana Arena, Elvira Ventura Spagnolo, Cristina Genovese, Maria Angela Palamara, Raffaele Squeri
Healthcare-associated infections (HAI) continue to be a major public health concern. A number of epidemiologically relevant HAI microorganisms are multidrug-resistant (MDR) germs that can spread rapidly and/or carry multiple resistance to antibiotics. They are the cause of high mortality and possible nosocomial epidemics. For this reason, we implemented microbiological surveillance acquiring samples from patients with HAI and environmental samples from the surfaces surrounding those patients. A retrospective study was carried out from January 2014 to December 2016 in two departments of the University Hospital in Messina, Italy: the Microbiology and the Hygiene Laboratories...
January 9, 2018: New Microbiologica
https://www.readbyqxmd.com/read/29312659/healthcare-associated-infection-and-its-risk-factors-among-patients-admitted-to-a-tertiary-hospital-in-ethiopia-longitudinal-study
#19
Solomon Ali, Melkamu Birhane, Sisay Bekele, Gebre Kibru, Lule Teshager, Yonas Yilma, Yesuf Ahmed, Netsanet Fentahun, Henok Assefa, Mulatu Gashaw, Esayas Kebede Gudina
Background: Healthcare associated infection (HAI) is alarmingly increasing in low income settings. In Ethiopia, the burden of HAI is still not well described. Methods: Longitudinal study was conducted from May to September, 2016. All wards of Jimma University Medical Centre were included. The incidence, prevalence and risk factors of healthcare associated infection were determined. A total of 1015 admitted patients were followed throughout their hospital stay. Biological specimens were collected from all patients suspected to have hospital aquired infection...
2018: Antimicrobial Resistance and Infection Control
https://www.readbyqxmd.com/read/29311552/poppers-use-and-sexual-partner-concurrency-increase-the-hiv-incidence-of-msm-a-24-month-prospective-cohort-survey-in-shenyang-china
#20
Zhen-Xing Chu, Jun-Jie Xu, Yong-Hui Zhang, Jing Zhang, Qing-Hai Hu, Ke Yun, Hong-Yi Wang, Yong-Jun Jiang, Wen-Qing Geng, Hong Shang
The use of poppers is highly prevalent in MSM, but little is known about the association between their use and HIV incidence in China. A prospective cohort study was conducted from 2011 to 2013 in MSM in Shenyang. 475(79.6%) of eligible HIV-negative MSM participated in this prospective survey and near one fourth MSM (23.4%) ever used poppers. About one-third of the participants had condomless anal intercourse, half had multiple sexual partners and 10.5% were syphilis positive. The HIV incidence densities were15...
January 8, 2018: Scientific Reports
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