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https://www.readbyqxmd.com/read/28634345/sirtuin-3-deficiency-does-not-alter-host-defenses-against-bacterial-and-fungal-infections
#1
Eleonora Ciarlo, Tytti Heinonen, Jérôme Lugrin, Hans Acha-Orbea, Didier Le Roy, Johan Auwerx, Thierry Roger
Sirtuin 3 (SIRT3) is the main mitochondrial deacetylase. SIRT3 regulates cell metabolism and redox homeostasis, and protects from aging and age-associated pathologies. SIRT3 may drive both oncogenic and tumor-suppressive effects. SIRT3 deficiency has been reported to promote chronic inflammation-related disorders, but whether SIRT3 impacts on innate immune responses and host defenses against infections remains essentially unknown. This aspect is of primary importance considering the great interest in developing SIRT3-targeted therapies...
June 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28634031/does-atopy-affect-the-course-of-viral-pneumonia
#2
S B Erdem, D Can, S Girit, F Çatal, V Şen, S Pekcan, H Yüksel, A Bingöl, I Bostancı, D Erge, R Ersu
BACKGROUND: The presence of atopy is considered as a risk factor for severe respiratory symptoms in children. The objective of this study was to examine the effect of atopy on the course of disease in children hospitalised with viral pneumonia. METHODS: Children between the ages of 1 and 6 years hospitalised due to viral pneumonia between the years of 2013 and 2016 were included to this multicentre study. Patients were classified into two groups as mild-moderate and severe according to the course of pneumonia...
June 17, 2017: Allergologia et Immunopathologia
https://www.readbyqxmd.com/read/28633583/severe-viral-pneumonia-in-adults-what-is-important-for-the-icu-physician
#3
Simone Gattarello, Jordi Rello
No abstract text is available yet for this article.
June 21, 2017: Hospital Practice (Minneapolis)
https://www.readbyqxmd.com/read/28632946/emerging-biomarkers-of-illness-severity-urinary-metabolites-associated-with-sepsis-and-necrotizing-methicillin-resistant-staphylococcus-aureus-pneumonia
#4
Lilliam Ambroggio, Todd A Florin, Samir S Shah, Richard Ruddy, Larisa Yeomans, Julie Trexel, Kathleen A Stringer
STUDY OBJECTIVE: To illustrate the potential of metabolomics to identify novel biomarkers of illness severity in a child with fatal necrotizing pneumonia caused by methicillin-resistant Staphylococcus aureus (MRSA). DESIGN: Case report with two control groups and a metabolomics analysis. PATIENTS: An infant with fatal MRSA pneumonia, four children with influenza pneumonia (pneumonia control group), and seven healthy children with no known infections (healthy control group)...
June 20, 2017: Pharmacotherapy
https://www.readbyqxmd.com/read/28632788/high-throughput-identification-and-rational-design-of-synergistic-small-molecule-pairs-for-combating-and-bypassing-antibiotic-resistance
#5
Morgan A Wambaugh, Viplendra P S Shakya, Adam J Lewis, Matthew A Mulvey, Jessica C S Brown
Antibiotic-resistant infections kill approximately 23,000 people and cost $20,000,000,000 each year in the United States alone despite the widespread use of small-molecule antimicrobial combination therapy. Antibiotic combinations typically have an additive effect: the efficacy of the combination matches the sum of the efficacies of each antibiotic when used alone. Small molecules can also act synergistically when the efficacy of the combination is greater than the additive efficacy. However, synergistic combinations are rare and have been historically difficult to identify...
June 2017: PLoS Biology
https://www.readbyqxmd.com/read/28632753/mait-cells-launch-a-rapid-robust-and-distinct-hyperinflammatory-response-to-bacterial-superantigens-and-quickly-acquire-an-anergic-phenotype-that-impedes-their-cognate-antimicrobial-function-defining-a-novel-mechanism-of-superantigen-induced-immunopathology
#6
Christopher R Shaler, Joshua Choi, Patrick T Rudak, Arash Memarnejadian, Peter A Szabo, Mauro E Tun-Abraham, Jamie Rossjohn, Alexandra J Corbett, James McCluskey, John K McCormick, Olivier Lantz, Roberto Hernandez-Alejandro, S M Mansour Haeryfar
Superantigens (SAgs) are potent exotoxins secreted by Staphylococcus aureus and Streptococcus pyogenes. They target a large fraction of T cell pools to set in motion a "cytokine storm" with severe and sometimes life-threatening consequences typically encountered in toxic shock syndrome (TSS). Given the rapidity with which TSS develops, designing timely and truly targeted therapies for this syndrome requires identification of key mediators of the cytokine storm's initial wave. Equally important, early host responses to SAgs can be accompanied or followed by a state of immunosuppression, which in turn jeopardizes the host's ability to combat and clear infections...
June 2017: PLoS Biology
https://www.readbyqxmd.com/read/28631692/-multidisciplinary-problems-of-rheumatology-and-pulmonology
#7
L P Ananyeva
Damage to the respiratory system worsens prognosis and increases mortality in all systemic immunoinflammatory rheumatic diseases (SIRDs). Leading pulmonary manifestations in each disease are different, so the typical picture of each nosological entity is very peculiar. In all SIRDs, the disease starts with lung involvement in 10-20% of cases, preceding the expanded clinical presentation of a systemic disease. At a certain stage, lung damage may be the only manifestation of the disease or predominate in its clinical picture, determining the severity of a condition...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28630688/prevalence-of-antimicrobial-resistant-pathogens-from-blood-cultures-results-from-a-laboratory-based-nationwide-surveillance-in-ghana
#8
Japheth Awuletey Opintan, Mercy Jemima Newman
BACKGROUND: Blood stream infections (BSI) are critical medical conditions with high morbidity and mortality. There is paucity of information on BSI from surveillance studies in Ghana. AIM: This study sought to demonstrate how useful BSI data can be gleaned from population-based surveillance, especially from resource-limited settings. METHODS: Data from a nationwide surveillance of antimicrobial drug resistance (AMR) in Ghana were extracted and analyzed...
2017: Antimicrobial Resistance and Infection Control
https://www.readbyqxmd.com/read/28629604/novel-fkrp-mutations-in-a-japanese-mdc1c-sibship-clinically-diagnosed-with-fukuyama-congenital-muscular-dystrophy
#9
Mieko Yoshioka, Kazuhiro Kobayashi, Tatsushi Toda
INTRODUCTION: Fukuyama congenital muscular dystrophy (FCMD), caused by fukutin mutations, is the most common form of Japanese CMD. We followed a Japanese CMD sibship without fukutin mutation, and herein identified new FKRP mutations causing MDC1C rarely reported in Oriental countries. PATIENTS: Two affected siblings, individuals 1 (I-1, male) and 2 (I-2, female), were born uneventfully to unaffected, non-consanguineous parents. Severe hypotonia was soon apparent and serum CK levels were elevated: I-1: 1025 IU/L (normal range <130 IU/L) and I-2: 5350 IU/L...
June 16, 2017: Brain & Development
https://www.readbyqxmd.com/read/28629318/the-effect-of-a-daily-application-of-a-0-05-chlorhexidine-oral-rinse-solution-on-the-incidence-of-aspiration-pneumonia-in-nursing-home-residents-a-multicenter-study
#10
Vanessa R Y Hollaar, Gert-Jan van der Putten, Claar D van der Maarel-Wierink, Ewald M Bronkhorst, Bert J M de Swart, Nico H J Creugers
BACKGROUND: Dysphagia and potential respiratory pathogens in the oral biofilm are risk factors for aspiration pneumonia in nursing home residents. The aim of the study was to examine if the daily application of 0.05% chlorhexidine oral rinse solution is effective in reducing the incidence of aspiration pneumonia in nursing home residents with dysphagia. Associations between background variables (age, gender, dysphagia severity, care dependency, medication use, number of medical diagnoses, teeth and dental implants, and wearing removable dentures) and the incidence of aspiration pneumonia were also examined...
June 19, 2017: BMC Geriatrics
https://www.readbyqxmd.com/read/28625166/impact-of-gram-stain-results-on-initial-treatment-selection-in-patients-with-ventilator-associated-pneumonia-a-retrospective-analysis-of-two-treatment-algorithms
#11
Jumpei Yoshimura, Takahiro Kinoshita, Kazuma Yamakawa, Asako Matsushima, Naoki Nakamoto, Toshimitsu Hamasaki, Satoshi Fujimi
BACKGROUND: Ventilator-associated pneumonia (VAP) is a common and serious problem in intensive care units (ICUs). Several studies have suggested that the Gram stain of endotracheal aspirates is a useful method for accurately diagnosing VAP. However, the usefulness of the Gram stain in predicting which microorganisms cause VAP has not been established. The purpose of this study was to evaluate whether a Gram stain of endotracheal aspirates could be used to determine appropriate initial antimicrobial therapy for VAP...
June 19, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/28624032/epidural-analgesia-for-traumatic-rib-fractures-is-associated-with-worse-outcomes-a-matched-analysis
#12
Katherine M McKendy, Lawrence F Lee, Kerianne Boulva, Dan L Deckelbaum, David S Mulder, Tarek S Razek, Jeremy R Grushka
BACKGROUND: The optimal method of pain control for patients with traumatic rib fractures is unknown. The aim of this study was to determine the effect of epidural analgesia on respiratory complications and in-hospital mortality in patients with rib fractures. METHODS: Adult patients at a level I trauma center with ≥1 rib fracture from blunt trauma were included (2004-2013). Those with a blunt-penetrating mechanism, traumatic brain injury, or underwent a laparotomy or thoracotomy were excluded...
June 15, 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28623951/progressive-respiratory-distress-in-a-42-year-old-hiv-positive-woman-with-systemic-lupus-erythematosus
#13
Katongo Mutengo, Patrice Mukomena, Nason Lambwe, Owen Ngalamika
BACKGROUND: Identifying and treating the cause of pulmonary symptoms in HIV patients with underlying systemic lupus erythematosus (SLE) can be very challenging. Delays in diagnosing active SLE in HIV patients can lead to significant morbidity and even mortality. We report the case of an HIV-positive woman with SLE who presented with severe respiratory distress. CASE PRESENTATION: A 42-year-old HIV-positive woman presented with a 7-month history of anorexia, progressive dyspnoea, and a productive cough...
June 17, 2017: European Journal of Medical Research
https://www.readbyqxmd.com/read/28622786/dairy-cow-disability-weights
#14
Craig S McConnel, Ashleigh A McNeil, Joleen C Hadrich, Jason E Lombard, Franklyn B Garry, Jane Heller
Over the past 175 years, data related to human disease and death have progressed to a summary measure of population health, the Disability-Adjusted Life Year (DALY). As dairies have intensified there has been no equivalent measure of the impact of disease on the productive life and well-being of animals. The development of a disease-adjusted metric requires a consistent set of disability weights that reflect the relative severity of important diseases. The objective of this study was to use an international survey of dairy authorities to derive disability weights for primary disease categories recorded on dairies...
August 1, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/28619956/a-longitudinal-modelling-study-estimates-acute-symptoms-of-community-acquired-pneumonia-recover-to-baseline-by-10%C3%A2-days
#15
Daniel G Wootton, Laura Dickinson, Henry Pertinez, Joanne Court, Odiri Eneje, Lynne Keogan, Laura Macfarlane, Sarah Wilks, Jane Gallagher, Mark Woodhead, Stephen B Gordon, Peter J Diggle
Our aims were to address three fundamental questions relating to the symptoms of community-acquired pneumonia (CAP): Do patients completely recover from pneumonia symptoms? How long does this recovery take? Which factors influence symptomatic recovery?We prospectively recruited patients at two hospitals in Liverpool, UK, into a longitudinal, observational cohort study and modelled symptom recovery from CAP. We excluded patients with cancer, immunosuppression or advanced dementia, and those who were intubated or palliated from admission...
June 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28619767/association-of-hypercapnia-on-admission-with-increased-length-of-hospital-stay-and-severity-in-patients-admitted-with-community-acquired-pneumonia-a-prospective-observational-study-from-pakistan
#16
Nousheen Iqbal, Muhammad Irfan, Ali Bin Sarwar Zubairi, Safia Awan, Javaid A Khan
OBJECTIVE: To determine whether the presence of hypercapnia on admission in adult patients admitted to a university-based hospital in Karachi, Pakistan with community-acquired pneumonia (CAP) correlates with an increased length of hospital stay and severity compared with no hypercapnia on admission. STUDY DESIGN: A prospective observational study. SETTINGS: Tertiary care hospital in Karachi, Pakistan. METHODS: Patients who met the inclusion criteria were enrolled in the study...
June 15, 2017: BMJ Open
https://www.readbyqxmd.com/read/28619722/corticosteroid-therapy-during-acute-bronchiolitis-in-patients-who-later-develop-asthma
#17
Steven L Shein, Alexandre T Rotta, Richard Speicher, Katherine N Slain, Benjamin Gaston
BACKGROUND AND OBJECTIVE: Meta-analyses show that corticosteroids are not effective in patients with bronchiolitis. However, risk factors for asthma such as eczema or familial atopy prompt some practitioners to prescribe corticosteroids for bronchiolitis. We assessed if corticosteroid prescription is associated with shorter hospitalization for bronchiolitis among patients who later develop asthma. METHODS: The Pediatric Health Information System database was interrogated for patients with bronchiolitis aged <2 years hospitalized between 2006 and 2015...
June 15, 2017: Hospital Pediatrics
https://www.readbyqxmd.com/read/28619168/comparison-of-asian-porcine-high-fever-disease-isolates-of-porcine-reproductive-and-respiratory-syndrome-virus-to-united-states-isolates-for-their-ability-to-cause-disease-and-secondary-bacterial-infection-in-swine
#18
Susan L Brockmeier, Crystal L Loving, Mitchel V Palmer, Allyn Spear, Tracy L Nicholson, Kay S Faaberg, Kelly M Lager
Epidemiologic data from Asian outbreaks of highly-pathogenic (HP) porcine reproductive and respiratory syndrome virus (PRRSV) suggest that disease severity was associated with both the virulence of the PRRSV isolates and secondary bacterial infections. Previous reports have indicated that U.S. isolates of PRRSV predispose to secondary bacterial infections as well, but the severity of disease that occurred in Asia in pigs infected with these HP-PRRSV strains has not been reported in the U.S. The objectives of this research were to compare the pathogenesis of Asian and U...
May 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28619167/effect-of-vaccination-against-pneumonia-on-the-survival-of-bighorn-sheep-ovis-canadensis-commingled-with-carrier-animals
#19
Bindu Raghavan, Jegarubee Bavananthasivam, Abirami Kugadas, Gary J Haldorson, Subramaniam Srikumaran
Leukotoxin producing (lkt+) members of Pasteurellaceae, particularly Mannheimia haemolytica and Bibersteinia trehalosi are important pathogens of pneumonia in bighorn sheep (BHS; Ovis canadensis), causing fatal disease. Predisposing or concurrent infection with Mycoplasma ovipneumoniae enhances the severity of the disease, resulting in increased morbidity and mortality. Several studies have investigated the effectiveness of vaccines against lkt+ members of Pasteurellaceae in preventing fatal pneumonia in BHS...
May 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28619154/an-unusual-culprit-klebsiella-pneumoniae-causing-septicaemia-outbreaks-in-neonatal-pigs
#20
Bethany G Bowring, V Anthony Fahy, Andrew Morris, Alison M Collins
This study investigated the cause of recent outbreaks of septicaemia in neonatal pigs in Australia (Victoria and Queensland). Septicaemia in neonatal pigs is commonly caused by enterotoxigenic E. coli, extraintestinal pathogenic E. coli and beta-haemolytic streptococci. Infrequent causes of septicaemia are Actinobacillus suis and Citrobacter freundii. Therefore, it was quite unexpected when Klebsiella pneumoniae was isolated in predominant growth from multiple organs of pigs dying of septicaemia from six days of age...
May 2017: Veterinary Microbiology
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