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lower respiratory tract infection

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https://www.readbyqxmd.com/read/29236038/adverse-effects-of-amoxicillin-for-acute-lower-respiratory-tract-infection-in-primary-care-secondary-and-subgroup-analysis-of-a-randomised-clinical-trial
#1
Meera Tandan, Akke Vellinga, Robin Bruyndonckx, Paul Little, Theo Verheij, Chris C Butler, Herman Goossens, Samuel Coenen
A European placebo-controlled trial of antibiotic treatment for lower respiratory tract infection (LRTI) conducted in 16 primary care practices networks recruited participants between November 2007 and April 2010, and found adverse events (AEs) occurred more often in patients prescribed amoxicillin compared to placebo. This secondary analysis explores the causal relationship and estimates specific AEs (diarrhoea, nausea, rash) due to amoxicillin treatment for LRTI, and if any subgroup is at increased risk of any or a specific AE...
December 13, 2017: Antibiotics
https://www.readbyqxmd.com/read/29230219/functional-impairment-of-mononuclear-phagocyte-system-by-the-human-respiratory-syncytial-virus
#2
REVIEW
Karen Bohmwald, Janyra A Espinoza, Raúl A Pulgar, Evelyn L Jara, Alexis M Kalergis
The mononuclear phagocyte system (MPS) comprises of monocytes, macrophages (MΦ), and dendritic cells (DCs). MPS is part of the first line of immune defense against a wide range of pathogens, including viruses, such as the human respiratory syncytial virus (hRSV). The hRSV is an enveloped virus that belongs to the Pneumoviridae family, Orthopneumovirus genus. This virus is the main etiological agent causing severe acute lower respiratory tract infection, especially in infants, children and the elderly. Human RSV can cause bronchiolitis and pneumonia and it has also been implicated in the development of recurrent wheezing and asthma...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29229498/effect-of-once-daily-modified-release-hydrocortisone-versus-standard-glucocorticoid-therapy-on-metabolism-and-innate-immunity-in-patients-with-adrenal-insufficiency-dream-a-single-blind-randomised-controlled-trial
#3
Andrea M Isidori, Mary Anna Venneri, Chiara Graziadio, Chiara Simeoli, Daniela Fiore, Valeria Hasenmajer, Emilia Sbardella, Daniele Gianfrilli, Carlotta Pozza, Patrizio Pasqualetti, Stefania Morrone, Angela Santoni, Fabio Naro, Annamaria Colao, Rosario Pivonello, Andrea Lenzi
BACKGROUND: Conventional treatment of patients with adrenal insufficiency involves administration of glucocorticoids multiple times a day and has been associated with weight gain and metabolic impairment. The optimal glucocorticoid replacement therapy for these patients is highly debated because of the scarcity of evidence from randomised trials. We aimed to establish whether the timing and pharmacokinetics of glucocorticoid replacement therapy affect the metabolism and immune system of patients with adrenal insufficiency...
December 8, 2017: Lancet Diabetes & Endocrinology
https://www.readbyqxmd.com/read/29226974/acute-bronchiolitis-influence-of-viral-co-infection-in-infants-hospitalized-over-12-consecutive-epidemic-seasons
#4
Laura Petrarca, Raffaella Nenna, Antonella Frassanito, Alessandra Pierangeli, Salvatore Leonardi, Carolina Scagnolari, Guido Antonelli, Paola Papoff, Corrado Moretti, Fabio Midulla
Bronchiolitis is the first lower respiratory tract viral infection manifesting in infants younger than 12 months of age. Our aim was to evaluate clinical and serological differences in infants with bronchiolitis from a single or from multiple viruses. Our secondary aim was to investigate differences in recurrent wheezing episodes after 12-24-36 months of follow-up. We reviewed the clinical records for 486 full-term infants hospitalized for bronchiolitis with at least one virus detected in the nasopharyngeal aspirate...
December 11, 2017: Journal of Medical Virology
https://www.readbyqxmd.com/read/29226330/transcutaneous-immunization-with-pneumococcal-surface-protein-a-in-mice
#5
Hiromi Nagano, Masaki Kawabata, Gen Sugita, Akitoshi Tsuruhara, Junichiro Ohori, Tomohiro Jimura, Keiichi Miyashita, Yuichi Kurono, Kazuhiro Tomonaga, David E Briles, Kohtaro Fujihashi
OBJECTIVE: Pneumococcal infection caused by Streptococcus pneumoniae is a major upper respiratory tract disease that causes severe illness and mortality. Therefore, it is important to develop safe and effective vaccines to prevent pneumococcal infections. The goal of the study was to investigate the effectiveness of transcutaneous immunization (TCI) for induction of pneumococcal surface protein A (PspA) responses in the upper respiratory tract. METHODS: C57BL/6 mice were transcutaneously immunized with 1 μg of PspA and 2 μg of cholera toxin (CT) six times at weekly intervals and compared with transcutaneously treated controls (PBS alone/PspA alone/CT alone)...
December 11, 2017: Laryngoscope
https://www.readbyqxmd.com/read/29224317/-a-multicenter-retrospective-study-of-pathogenic-bacteria-distribution-and-drug-resistance-in-febrile-neutropenic-patients-with-hematological-diseases-in-shanghai
#6
J Zhu, J Hu, Y F Mao, F Y Chen, J Y Zhu, J M Shi, D D Yu, S G Hao, R Tao, P Liu, S Y Gu, J Hou, H Y He, A B Liang, Y Ding, L G Liu, Y H Xie, Q Zhu, Y H Yu, Y H Yao, W Chen, H L Xu, X H Han, C Wang
Objective: To investigate the pathogen spectrum distribution and drug resistance of febrile neutropenic patients with hematological diseases in Shanghai. Methods: A retrospective study was conducted on the clinical isolates from the febrile neutropenic patients hospitalized in the departments of hematology in 12 general hospitals in Shanghai from January 2012 to December 2014. The drug susceptibility test was carried out by Kirby-Bauer method. WHONET 5.6 software was used to analyze pathogenic bacteria and drug susceptibility data...
November 14, 2017: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/29224314/-clinical-value-of-pcr-for-viral-detection-of-bronchoalveolar-lavage-fluid-in-the-diagnosis-and-treatment-of-pneumonia-after-allogeneic-hematopoietic-stem-cell-transplantation
#7
Y Y Chen, X Y Luo, X S Zhao, Z H Jiang, Y Chen, H Chen, X D Mo, W Han, F R Wang, J Z Wang, C H Yan, Y Q Sun, Y Y Zhang, T T Han, F F Tang, H X Fu, S Zhang, Y Wang, L P Xu, X H Zhang, K Y Liu, X J Huang
Objective: To analyze the clinical value of real-time PCR for virus detection in the diagnosis and treatment of patients after allo-HSCT who had no infection evidence of pneumonia using routine pathogen detection panel. Methods: The clinical data of 71 episodes with acute lung injury from May 2015 to March 2017 after allo-HSCT in hematology department of Peking University People's Hospital (PKUPH) were retrospectively analyzed. PCR for virus detection and other routine pathogen detection tests were performed on bronchoalveolar lavage fluid (BALF) samples...
November 14, 2017: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/29224300/-etiological-analysis-and-establishment-of-a-discriminant-model-for-lower-respiratory-tract-infections-in-hospitalized-patients
#8
Y S Chen, X H Lin, H R Li, Z D Hua, M Q Lin, W S Huang, T Yu, H Y Lyu, W P Mao, Y Q Liang, X R Peng, S J Chen, H Zheng, S Q Lian, X L Hu, X Q Yao
Objective: To analyze the pathogens of lower respiratory tract infection(LRTI) including bacterial, viral and mixed infection, and to establish a discriminant model based on clinical features in order to predict the pathogens. Methods: A total of 243 hospitalized patients with lower respiratory tract infections were enrolled in Fujian Provincial Hospital from April 2012 to September 2015. The clinical data and airway (sputum and/or bronchoalveolar lavage) samples were collected. Microbes were identified by traditional culture (for bacteria), loop-mediated isothermal amplification(LAMP) and gene sequencing (for bacteria and atypical pathogen), or Real-time quantitative polymerase chain reaction (Real-time PCR)for viruses...
December 12, 2017: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/29220399/-what-they-see-is-what-you-get-prescribing-antibiotics-for-respiratory-tract-infections-in-primary-care-do-high-prescribers-diagnose-differently-an-analysis-of-german-routine-data
#9
Susann Hueber, Thomas Kuehlein, Roman Gerlach, Martin Tauscher, Angela Schedlbauer
BACKGROUND: Characteristics of high and low prescribers of antibiotics in German primary care were analysed using population data. We aimed to evaluate differences in prescribing rates and factors being associated with high prescribing, and whether high prescribers made the diagnosis of perceived bacterial infections more often. METHODS: Routine data were provided by the Bavarian Association of Statutory Health Insurance Physicians. Routine data are delivered by primary care practices on a quarterly basis...
2017: PloS One
https://www.readbyqxmd.com/read/29217660/chimeric-pneumoviridae-fusion-proteins-as-immunogens-to-induce-cross-neutralizing-antibody-responses
#10
Eduardo Olmedillas, Olga Cano, Isidoro Martínez, Daniel Luque, María C Terrón, Jason S McLellan, José A Melero, Vicente Más
Human respiratory syncytial virus (hRSV) and human metapneumovirus (hMPV), two members of the Pneumoviridae family, account for the majority of severe lower respiratory tract infections worldwide in very young children. They are also a frequent cause of morbidity and mortality in the elderly and immunocompromised adults. High levels of neutralizing antibodies, mostly directed against the viral fusion (F) glycoprotein, correlate with protection against either hRSV or hMPV However, no cross-neutralization is observed in polyclonal antibody responses raised after virus infection or immunization with purified F proteins...
December 7, 2017: EMBO Molecular Medicine
https://www.readbyqxmd.com/read/29216350/italian-nationwide-survey-on-pseudomonas-aeruginosa-from-invasive-infections-activity-of-ceftolozane-tazobactam-and-comparators-and-molecular-epidemiology-of-carbapenemase-producers
#11
Tommaso Giani, Fabio Arena, Simona Pollini, Vincenzo Di Pilato, Marco Maria D'Andrea, Lucia Henrici De Angelis, Matteo Bassetti, Gian Maria Rossolini
Objectives: Pseudomonas aeruginosa is a major cause of severe healthcare-associated infections and often shows MDR phenotypes. Ceftolozane/tazobactam is a new cephalosporin/β-lactamase inhibitor combination with potent activity against P. aeruginosa. This survey was carried out to evaluate the susceptibility of P. aeruginosa, circulating in Italy, to ceftolozane/tazobactam and comparators and to investigate the molecular epidemiology of carbapenemase-producing strains. Methods: Consecutive non-replicate P...
December 5, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29215660/-prioritization-of-non-recommended-clinical-activities-in-primary-care
#12
L García Mochon, A Olry de Labry Lima, C Bermudez-Tamayo
OBJECTIVE: To prioritize non-recommended clinical activities in Primary Care (PC), from "Do not do" recommendations listed by the Sociedad Española de Medicina de Familia y Comunitaria (Semfyc), according to expert consensus (physicians, nurses and pharmacists). METHODS: The consensus for the prioritization of non-recommended practices in PC was performed through an online procedure. We used as a base the list of "do not-do" recommendations of the SEMFYC. We asked the experts to prioritize practices that should be de-adopted in PC, based on four prioritization criteria: frequency of occurrence, cost of the activity, ease of disposal and damage caused, which were scored from one to five, according to their recommendation...
December 7, 2017: Anales del Sistema Sanitario de Navarra
https://www.readbyqxmd.com/read/29212934/influenza-a-virus-reassortment-is-limited-by-anatomical-compartmentalization-following-co-infection-via-distinct-routes
#13
Mathilde Richard, Sander Herfst, Hui Tao, Nathan T Jacobs, Anice C Lowen
Exchange of gene segments through reassortment is a major feature of influenza A virus evolution and frequently contributes to the emergence of novel epidemic, pandemic and zoonotic strains. It has long been evident that viral diversification through reassortment is constrained by genetic incompatibility between divergent parental viruses. In contrast, the role of virus-extrinsic factors in determining the likelihood of reassortment has remained unclear. To evaluate the impact of such factors in the absence of confounding effects of segment mismatch, we previously reported an approach in which reassortment between wild-type (wt) and genetically tagged variant (var) viruses of the same strain is measured...
December 6, 2017: Journal of Virology
https://www.readbyqxmd.com/read/29208181/potential-biomarkers-for-the-diagnosis-of-respiratory-tract-infection-and-lungs-cancer
#14
Khushbukhat Khan, Muhammad Adeel Aslam, Fatima Tuz Zahra, Hamid Basheer, Muhammad Bilal, Aleena Sumrin
Major hurdle faced by many physicians in treating various respiratory tract infections and lung carcinomas is their late or mis-diagnosis. In most respiratory tract infections the manner of infection is not completely understood. Similarly, various lung carcinomas are diagnosed at advance stages at which not only the treatment possibilities are narrowed but the chances of survival are also reduced. So, for the sake of better treatment, the quick and improved diagnostic strategies are suggested. Protein biomarkers fully fit the description in this regard as they have shown great potential in specific diagnosis of many respiratory diseases and also have shown capability in timely pin pointing different stages of lung carcinomas...
November 30, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/29204197/infantile-tremor-syndrome-in-modern-times
#15
Piyush Gautam, Nivedita Sharma, Sanjeev Chaudhary, Ankush Kaushal
Background: Infantile tremor syndrome (ITS) is a clinical syndrome of acute or gradual onset of mental and psychomotor changes, pigmentary disturbances of hair and skin, pallor, and tremors in malnourished children aged between 5 months and 3 years. It is a well-known entity, but the exact etiopathogenesis is still not known. Setting and Design: Prospective observational study carried out in the Department of Pediatrics at Dr RPGMC Tanda, Kangra in Himachal Pradesh...
July 2017: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/29203497/outer-membrane-vesicles-omv-based-and-proteomics-driven-antigen-selection-identifies-novel-factors-contributing-to-bordetella-pertussis-adhesion-to-epithelial-cells
#16
Gianmarco Gasperini, Massimiliano Biagini, Vanessa Arato, Claudia Gianfaldoni, Alessandro Vadi, Nathalie Norais, Giuliano Bensi, Isabel Delany, Mariagrazia Pizza, Beatrice Aricò, Rosanna Leuzzi
Despite high vaccination coverage world-wide, whooping cough, a highly contagious disease caused by Bordetella pertussis, is recently increasing in occurrence suggesting that novel vaccine formulations targeted at the prevention of colonization and transmission should be investigated. In order to identify new candidates for inclusion in the acellular formulation, we used spontaneously released outer membrane vesicles (OMV) as a potential source of key adhesins. The enrichment of Bvg+ OMV with adhesins and the ability of anti-OMV serum to inhibit the adhesion of B...
December 4, 2017: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/29203488/epidemiology-of-carbapenem-resistant-enterobacteriaceae-infections-report-from-china-cre-network
#17
Yawei Zhang, Qi Wang, Yuyao Yin, Hongbin Chen, Longyang Jin, Bing Gu, Liangyi Xie, Chunxia Yang, Xiaobo Ma, Huayin Li, Wei Li, Xiaoqian Zhang, Kang Liao, Sijin Man, Shifu Wang, Hainan Wen, Binbin Li, Zhusheng Guo, Jinjing Tian, Fengyan Pei, Li Liu, Lijun Zhang, Cuimei Zou, Tongping Hu, Jun Cai, Hong Yang, Jiaming Huang, Xianghong Jia, Wenhui Huang, Bin Cao, Hui Wang
Carbapenem-resistant Enterobacteriaceae (CRE) infection is highly endemic in China, but estimates of infection burden are lacking. We established incidence of CRE infection from a multicenter study that covered 25 tertiary hospitals in 14 provinces. CRE cases defined as carbapenem non-susceptible C. freundii, E. coli, E. cloacae, or K. pneumoniae infections during January to December 2015 were collected and reviewed from medical records. Antimicrobial susceptibility testing and carbapenemase genes identification were performed...
December 4, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/29202739/the-lung-microbiome-in-patients-with-pneumocystosis
#18
J Kehrmann, B Veckollari, D Schmidt, O Schildgen, V Schildgen, N Wagner, M Zeschnigk, L Klein-Hitpass, O Witzke, J Buer, J Steinmann
BACKROUND: Pneumocystis jirovecii pneumonia (PCP) is an opportunistic fungal infection that is associated with a high morbidity and mortality in immunocompromised individuals. In this study, we analysed the microbiome of the lower respiratory tract from critically ill intensive care unit patients with and without pneumocystosis. METHODS: Broncho-alveolar fluids from 65 intubated and mechanically ventilated intensive care unit patients (34 PCP+ and 31 PCP- patients) were collected...
December 4, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29200251/misdiagnosing-of-malaria-as-rti-decreased-after-introduction-of-rdts-in-rural-areas-of-kenya
#19
(no author information available yet)
BACKGROUND: Clinical presentation of malaria is highly variable and can be mistaken for number of other diseases, including respiratory tract diseases, which are associated with significant morbidity and mortality. However, presumptive management of fever as malaria can result in significant overdiagnosis, even in high-risk areas. Quality microscopy services for the diagnosis of malaria are not widely available in rural areas of Sub-Saharan Africa as well as in substandard conditions of low-income settings and the accuracy of microscopy is usually poor...
November 4, 2017: Neuro Endocrinology Letters
https://www.readbyqxmd.com/read/29193814/hospital-admissions-for-lower-respiratory-tract-infections-in-children-born-moderately-late-preterm
#20
Paula Haataja, Päivi Korhonen, Riitta Ojala, Mikko Hirvonen, Matti Korppi, Mika Gissler, Tiina Luukkaala, Outi Tammela
OBJECTIVE: To evaluate the frequency and predictors of hospital admissions for lower respiratory tract infections (LRTIs) in moderately preterm (MP, 32+0 to 33+6 weeks) and late preterm (LP, 34+0 to 36+6 weeks) infants compared to term (T ≥37 weeks) and very preterm (VP, <32+0 weeks) infants. STUDY DESIGN: This national register-based study covered all infants born in Finland in 1991-2008. Data on 1 018 256 infants were analyzed in four gestational age-based groups: VP (n = 6329), MP (n = 6796), LP (n = 39 928), and T (n = 965 203) groups...
November 29, 2017: Pediatric Pulmonology
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