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Respiratory infections

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https://www.readbyqxmd.com/read/28432927/type-2-bvdv-n-pro-suppresses-ifn-1-pathway-signaling-in-bovine-cells-and-augments-brsv-replication
#1
Abdulrahman A Alkheraif, Christina L Topliff, Jay Reddy, Chandirasegaran Massilamany, Ruben O Donis, Gregor Meyers, Kent M Eskridge, Clayton L Kelling
Bovine viral diarrhea virus (BVDV) infection induces immunosuppression and in conjunction with bovine respiratory syncytial virus (BRSV) contributes to the bovine respiratory disease complex. Bovine turbinate cells were single or co-infected with type 2 BVDV wild-type (BVDV2-wt), its dysfunctional N(pro) mutant (BVDV2-E), and/or BRSV. BVDV2-E significantly up-regulated PKR, IRF-7, TBK-1, IRF-3, and IFN-β mRNAs based on real-time Q-RT-PCR. BRSV-infected cells expressed significantly up-regulated PKR, IRF-3, IRF-7, and IFN-β mRNAs, whereas BVDV2-wt, but not BVDV2-E, abolished this up-regulation in co-infection...
April 19, 2017: Virology
https://www.readbyqxmd.com/read/28432664/human-perinatal-immunity-in-physiological-conditions-and-during-infection
#2
REVIEW
Gijs T J van Well, Leonie A Daalderop, Tim Wolfs, Boris W Kramer
The intrauterine environment was long considered sterile. However, several infectious threats are already present during fetal life. This review focuses on the postnatal immunological consequences of prenatal exposure to microorganisms and related inflammatory stimuli. Both the innate and adaptive immune systems of the fetus and neonate are immature, which makes them highly susceptible to infections. There is good evidence that prenatal infections are a primary cause of preterm births. Additionally, the association between antenatal inflammation and adverse neonatal outcomes has been well established...
December 2017: Molecular and Cellular Pediatrics
https://www.readbyqxmd.com/read/28431934/etiological-analysis-and-epidemiological-comparison-among-adult-cap-and-nhcap-patients-in-okinawa-japan
#3
Gretchen Parrott, Daijiro Nebeya, Takeshi Kinjo, Kazuya Miyagi, Shusaku Haranaga, Futoshi Higa, Masao Tateyama, Jiro Fujita
BACKGROUND: Etiological epidemiology and diagnosis are important issues for CAP and NHCAP. Despite the availability of effective therapies, significant morbidity and mortality ensues. METHODS: We retrospectively analyzed the etiology of 200 pneumonia patients at the University of the Ryukyus Hospital. Patients were categorized into CAP (n = 97) or NHCAP (n = 103), according to the Japanese Respiratory Society guidelines. Diagnoses were made using clinical tests including, Gram stain, bacterial culture, serum and urinary tests...
April 18, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28431569/co-colonisation-with-aspergillus-fumigatus-and-pseudomonas-aeruginosa-is-associated-with-poorer-health-in-cystic-fibrosis-patients-an-irish-registry-analysis
#4
Emma Reece, Ricardo Segurado, Abaigeal Jackson, Siobhán McClean, Julie Renwick, Peter Greally
BACKGROUND: Pulmonary infection is the main cause of death in cystic fibrosis (CF). Aspergillus fumigatus (AF) and Pseudomonas aeruginosa (PA) are the most prevalent fungal and bacterial pathogens isolated from the CF airway, respectively. Our aim was to determine the effect of different colonisation profiles of AF and PA on the clinical status of patients with CF. METHODS: A retrospective analysis of data from the Cystic Fibrosis Registry of Ireland from 2013 was performed to determine the effect of intermittent and persistent colonisation with AF or PA or co-colonisation with both microorganisms on clinical outcome measures in patients with CF...
April 21, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28431550/the-physiological-cost-of-male-biased-parasitism-in-a-nearly-monomorphic-mammal
#5
Arturo Oliver-Guimerá, Carlos Martínez-Carrasco, Asta Tvarijonaviciute, María Rocío Ruiz de Ybáñez, Jordi Martínez-Guijosa, Jorge Ramón López-Olvera, Xavier Fernández-Aguilar, Andreu Colom-Cadena, Gregorio Mentaberre, Roser Velarde, Diana Gassó, Mathieu Garel, Luca Rossi, Santiago Lavín, Emmanuel Serrano
BACKGROUND: Even though male-biased parasitism is common in mammals, little effort has been made to evaluate whether higher parasitic burden in males results in an extra biological cost, and thus a decrease in fitness. Body condition impairment and the augmentation of oxidative stress can be used as indicators of the cost of parasite infections. Here, we examined relationships between gastrointestinal and respiratory helminths, body condition and oxidative stress markers (glutathione peroxidase, paraoxonase-1) in 28 Pyrenean chamois (Rupicapra p...
April 21, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28431478/successful-treatment-of-multidrug-resistant-acinetobacter-baumannii-meningitis-with-ampicillin-sulbactam-in-primary-hospital
#6
Leitao Sun, Xiaohong Wang, Zefu Li
INTRODUCTION: Acinetobacter baumannii nosocomial infections, especially those due to multi-drug resistant strains, are increasingly detected. We want to find the effective treatment measures about multi-resistant Acinetobacter baumannii infections through this research. METHODOLOGY: The clinical features and the outcomes of twelve cases of nosocomial Acinetobacter baumannii meningitis treated with ampicillin sulbactam and intrathecal use of amikacin are reported in primary hospital...
April 21, 2017: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/28431317/ambient-pm2-5-exposure-and-premature-mortality-burden-in-the-holy-city-varanasi-india
#7
Vaishali Jain, Sagnik Dey, Sourangsu Chowdhury
More than 3 million population residing in the holy city Varanasi and sub-urban areas is exposed to very high level of fine particulate matter (PM2.5) from various sources. Continuous monitoring by Central Pollution Control Board started only in 2015; therefore what was the pollution level in the past and how it has changed over the years are not known. We use MODIS aerosol products to infer PM2.5 and examine 15-year climatology. Data shows a rapid (1.5-3% per year) increase in PM2.5 in the last 15 years and high (87% days in a year) persistence of PM2...
April 18, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28431183/efficacy-of-tiamulin-alone-or-in-combination-with-chlortetracycline-against-experimental-mycoplasma-gallisepticum-infection-in-chickens
#8
A Garmyn, M Vereecken, K Degussem, W Depondt, F Haesebrouck, A Martel
Mycoplasma gallisepticum (M. gallisepticum) remains one of the most important diseases in poultry production. Controlling the impact of the disease is done by eradication of positive breeder flocks or by vaccination and medication. A widely used molecule in medication programs is tiamulin, a pleuromutilin antibiotic. Since recent data on the in vivo efficacy of this molecule are scarce, 2 challenge studies were conducted using a recently isolated M. gallisepticum strain belonging to the wildtype population with regard to its tiamulin and tetracycline minimum inhibitory concentration (MIC)...
April 20, 2017: Poultry Science
https://www.readbyqxmd.com/read/28430752/in-reply-respiratory-viral-infections-and-coinfections-caused-by-human-metapneumovirus-in-children-with-cancer
#9
Juan Pablo Torres, Verónica De la Maza, María Elena Santolaya
No abstract text is available yet for this article.
April 19, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28430689/perioperative-outcomes-of-robotic-assisted-hysterectomy-compared-with-open-hysterectomy
#10
Bhargavi Gali, Jamie N Bakkum-Gamez, David J Plevak, Darrell Schroeder, Timothy O Wilson, Christopher J Jankowski
BACKGROUND: Increasing numbers of robotic hysterectomies (RH) are being performed. To provide ventilation (with pneumoperitoneum and steep Trendelenburg position) for these procedures, utilization of lung protective strategies with limiting airway pressures and tidal volumes is difficult. Little is known about the effects of intraoperative mechanical ventilation and high peak airway pressures on perioperative complications. We performed a retrospective review to determine whether patients undergoing RH had increased pulmonary complications compared to total abdominal hysterectomy (TAH)...
April 19, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28430397/respiratory-virus-detection-during-hospitalisation-for-lower-respiratory-tract-infection-in-children-under-2-years-in-south-auckland-new-zealand
#11
Adrian A Trenholme, Emma J Best, Alison M Vogel, Joanna M Stewart, Charissa J Miller, Diana R Lennon
AIM: To describe respiratory virus detection in children under 2 years of age in a population admitted with lower respiratory infection and to assess correlation with measures of severity. METHODS: Nasopharyngeal aspirates from infants admitted with lower respiratory tract infection (n = 1645) over a 3-year time period were tested by polymerase chain reaction. We collected epidemiological and clinical data on all children. We assessed the correlation of presence of virus with length of hospital stay, intensive care admission and consolidation on chest X-ray...
April 21, 2017: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/28429679/mycobacterium-avium-complex-disease
#12
Charles L Daley
Despite the ubiqitous nature of Mycobacterium avium complex (MAC) organisms in the environment, relatively few of those who are infected develop disease. Thus, some degree of susceptibility due to either underlying lung disease or immunosuppression is required. The frequency of pulmonary MAC disease is increasing in many areas, and the exact reasons are unknown. Isolation of MAC from a respiratory specimen does not necessarily mean that treatment is required, as the decision to treatment requires the synthesis of clinical, radiographic, and microbiologic information as well as a weighing of the risks and benefits for the individual patient...
April 2017: Microbiology Spectrum
https://www.readbyqxmd.com/read/28429311/improving-animal-welfare-using-continuous-nalbuphine-infusion-in-a-long-term-rat-model-of-sepsis
#13
Victor Jeger, Mattia Arrigo, Florian F Hildenbrand, Daniel Müller, Paulin Jirkof, Till Hauffe, Burkhardt Seifert, Margarete Arras, Donat R Spahn, Dominique Bettex, Alain Rudiger
BACKGROUND: Sepsis research relies on animal models to investigate the mechanisms of the dysregulated host response to infection. Animal welfare concerns request the use of potent analgesics for the Refinement of existing sepsis models, according to the 3Rs principle. Nevertheless, adequate analgesia is often missing, partly because the effects of analgesics in this particular condition are unknown. We evaluated the use of nalbuphine, an opioid with kappa agonistic and mu antagonistic effects, in rats with and without experimental sepsis...
December 2017: Intensive Care Medicine Experimental
https://www.readbyqxmd.com/read/28429247/a-review-of-the-novel-application-and-potential-adverse-effects-of-proton-pump-inhibitors
#14
REVIEW
Li-Yuan Yu, Lu-Ning Sun, Xue-Hui Zhang, Yue-Qi Li, Lei Yu, Zi-Qing-Yun Yuan, Ling Meng, Hong-Wen Zhang, Yong-Qing Wang
Proton pump inhibitors (PPIs) are known as a class of pharmaceutical agents that target H(+)/K(+)-ATPase, which is located in gastric parietal cells. PPIs are widely used in the treatment of gastric acid-related diseases including peptic ulcer disease, erosive esophagitis and gastroesophageal reflux disease, and so on. These drugs present an excellent safety profile and have become one of the most commonly prescribed drugs in primary and specialty care. Except for gastric acid-related diseases, PPIs can also be used in the treatment of Helicobacter pylori infection, viral infections, respiratory system diseases, cancer and so on...
April 20, 2017: Advances in Therapy
https://www.readbyqxmd.com/read/28428558/a-joint-analysis-of-influenza-associated-hospitalizations-and-mortality-in-hong-kong-1998-2013
#15
Peng Wu, Anne M Presanis, Helen S Bond, Eric H Y Lau, Vicky J Fang, Benjamin J Cowling
Influenza viruses may cause severe human infections leading to hospitalization or death. Linear regression models were fitted to population-based data on hospitalizations and deaths. Surveillance data on influenza virus activity permitted inference on influenza-associated hospitalizations and deaths. The ratios of these estimates were used as a potential indicator of severity. Influenza was associated with 431 (95% CrI: 358-503) respiratory deaths and 12,700 (95% CrI: 11,700-13,700) respiratory hospitalizations per year...
April 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28428487/association-between-serum-vitamin-d-and-all-cause-and-cause-specific-death-in-a-general-japanese-population%C3%A3-the-hisayama-study
#16
Kaoru Umehara, Naoko Mukai, Jun Hata, Yoichiro Hirakawa, Tomoyuki Ohara, Daigo Yoshida, Hiro Kishimoto, Takanari Kitazono, Sumio Hoka, Yutaka Kiyohara, Toshiharu Ninomiya
BACKGROUND: Few studies have investigated the association between serum vitamin D levels and mortality in general Asian populations.Methods and Results:We examined the association of serum 1,25-dihydroxyvitamin D (1,25(OH)2D) levels with the risk of all-cause and cause-specific death in an average 9.5-year follow-up study of 3,292 community-dwelling Japanese subjects aged ≥40 years (2002-2012). The multivariable-adjusted hazard ratio (HR) for all-cause death increased significantly with lower serum 1,25(OH)2D levels (HR 1...
April 20, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28428067/targeting-and-synergistic-action-of-an-antifungal-peptide-in-an-antibiotic-drug-delivery-system
#17
Seong-Cheol Park, Young-Min Kim, Jong-Kook Lee, Nam-Hong Kim, Eun-Ji Kim, Hun Heo, Min-Young Lee, Jung Ro Lee, Mi-Kyeong Jang
Amphotericin B (AmB) has been widely used against fungal infections throughout almost the entire body, including the skin, nails, oral cavity, respiratory tract, and urinary tract. However, the development of AmB-loaded nanoparticles demands a novel technique that reduces its toxicity and other associated problems. Here, we developed a pH-responsive and redox-sensitive polymer-based AmB-delivery carrier system. In particular, this system was functionalized by conjugation with the antifungal peptide histatin 5, which acts both as a targeting ligand and a synergistic antifungal molecule against Candida albicans, a major systemic fungal pathogen of humans...
April 17, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28427745/how-to-approach-the-acute-respiratory-distress-syndrome-prevention-plan-and-prudence
#18
REVIEW
Younsuck Koh
The acute respiratory distress syndrome (ARDS) is typically manifested by refractory hypoxemia with high mortality. A correct diagnosis is the first step to achieve better outcomes. An early intervention to manage modifiable risk factors of ARDS development and the avoidance of aggravating factors that increase disease severity and progression should be carefully addressed. A management plan is necessary at an early stage of ARDS to determine the level of intensive care. It should be carefully decided which therapeutic measures should be performed depending on the patient׳s underlying clinical condition...
May 2017: Respiratory Investigation
https://www.readbyqxmd.com/read/28427542/recurrent-respiratory-papillomatosis-a-state-of-the-art-review
#19
REVIEW
Helena Ribeiro Fortes, Felipe Mussi von Ranke, Dante Luiz Escuissato, Cesar Augusto Araujo Neto, Gláucia Zanetti, Bruno Hochhegger, Carolina Althoff Souza, Edson Marchiori
Recurrent respiratory papillomatosis (RRP) is a benign disease of the upper aero-digestive tract caused by human papillomavirus (HPV) infection, which affects children and young adults. The aim of this review is to describe the main etiological, epidemiological, clinical, diagnostic, and treatment aspects of RRP. Most infections in children occur at birth, during passage through the birth canals of contaminated mothers. In adults, HPV is transmitted sexually. Papillomas usually appear as exophytic nodules, primarily in the larynx, but occasionally involving the nasopharynx, tracheobronchial tree, and pulmonary parenchyma...
May 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/28427052/glucosylceramide-critically-contributes-to-the-host-defense-of-cystic-fibrosis-lungs
#20
Barbara Kovacic, Carolin Sehl, Barbara Wilker, Markus Kamler, Katrin Anne Becker, Erich Gulbins
BACKGROUND: Cystic fibrosis (CF) is the most common autosomal-recessive disorder in western countries. Previous studies have demonstrated an important role of sphingolipids in the pathophysiology of cystic fibrosis. It has been shown that ceramide has a central role in various pulmonary infections, including those with Pseudomonas aeruginosa (P. aeruginosa). Ceramide is accumulated in the airways of CF mice and patients. However, little is known about a potential role of glucosylceramide in cystic fibrosis...
March 6, 2017: Cellular Physiology and Biochemistry
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