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Respiratory assessment

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https://www.readbyqxmd.com/read/28087835/study-of-tio2-p25-nanoparticles-genotoxicity-on-lung-blood-and-liver-cells-in-lung-overload-and-non-overload-conditions-after-repeated-respiratory-exposure-in-rats
#1
Charlène Relier, Marielle Dubreuil, Omar Lozano Garcia, Eugenia Cordelli, Jorge Mejia, Patrizia Eleuteri, Franck Robidel, Thomas Loret, Francesca Pacchierotti, Stéphane Lucas, Ghislaine Lacroix, Bénédicte Trouiller
Inhaled titanium dioxide (TiO2) nanoparticles (NPs) can have negative health effects, and have been shown to cause respiratory tract cancer in rats. Inflammation has been linked to oxidative stress, and both have been described as possible mechanisms for genotoxicity of NPs, but rarely examined side-by-side in animal studies. In the present study, a wide range of complementary endpoints have been performed to study TiO2 P25 NP-induced genotoxicity in lung overload and non-overload conditions. Additionally, lung burden, inflammation, cytotoxicity and oxidative stress have also been evaluated in order to link genotoxicity with these responses...
January 13, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28087469/tofacitinib-ameliorates-inflammation-in-a-rat-model-of-airway-neutrophilia-induced-by-inhaled-lps
#2
Elena Calama, Isabel Ramis, Anna Domènech, Cristina Carreño, Jorge De Alba, Neus Prats, Montserrat Miralpeix
BACKGROUND: and purpose: The Janus Kinase (JAK) family mediates the cytokine receptor-induced signalling pathways involved in inflammatory processes. The activation of the signal transducers and activators of transcription (STATs) by JAK kinases is a key point in these pathways. Four JAK proteins, JAK1, JAK2, JAK3 and tyrosine kinase 2 (Tyk2) associate with the intracellular domains of surface cytokine receptors are phosphorylating STATs and modulating gene expression. The aim of this study was to explore the role of JAK inhibition in an acute model of inhaled lipopolysaccharide (LPS)-induced airway inflammation in rats through evaluating the effects of tofacitinib, a marketed pan-JAK inhibitor...
January 10, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28087362/clinical-phenotypes-and-outcomes-of-heritable-and-sporadic-pulmonary-veno-occlusive-disease-a-population-based-study
#3
David Montani, Barbara Girerd, Xavier Jaïs, Marilyne Levy, David Amar, Laurent Savale, Peter Dorfmüller, Andrei Seferian, Edmund M Lau, Mélanie Eyries, Jérôme Le Pavec, Florence Parent, Damien Bonnet, Florent Soubrier, Elie Fadel, Olivier Sitbon, Gérald Simonneau, Marc Humbert
BACKGROUND: Bi-allelic mutations of the EIF2AK4 gene cause heritable pulmonary veno-occlusive disease and/or pulmonary capillary haemangiomatosis (PVOD/PCH). We aimed to assess the effect of EIF2AK4 mutations on the clinical phenotypes and outcomes of PVOD/PCH. METHODS: We did a population-based study using clinical, functional, and haemodynamic data from the registry of the French Pulmonary Hypertension Network. We reviewed the clinical data and outcomes from all patients referred to the French Referral Centre (Pulmonary Department, Hospital Kremlin-Bicêtre, University Paris-Sud) with either confirmed or highly probable PVOD/PCH with DNA available for mutation screening (excluding patients with other risk factors of pulmonary hypertension, such as chronic respiratory diseases)...
January 10, 2017: Lancet Respiratory Medicine
https://www.readbyqxmd.com/read/28087182/multimorbidity-and-acute-heart-failure-in-internal-medicine
#4
F Martínez, L Martínez-Ibañez, G Pichler, A Ruiz, J Redon
AIMS: To analyse the characteristics of hospitalized patients for AHF, with special attention to the clustering of morbidities. METHODS AND RESULTS: Clinical records of patients, admitted in Internal Medicine due to AHF, during three years, were reviewed. The characteristics of patients-episodes were registered and key indicators of performance. Multiple correspondence analysis (MCA) was used to assess the distribution of morbidities. LR models were used to study clinical variables related with death or readmission...
January 5, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28086957/regulatory-t-cells-and-il10-suppress-pulmonary-host-defense-during-early-life-exposure-to-radical-containing-combustion-derived-ultrafine-particulate-matter
#5
Sridhar Jaligama, Jordy Saravia, Dahui You, Nikki Yadav, Greg I Lee, Bishwas Shrestha, Stephania A Cormier
BACKGROUND: Exposure to elevated levels of particulate matter (PM) is associated with increased risk of morbidity and mortality due to respiratory tract viral infections in infants. Recent identification of environmentally persistent free radicals (EPFRs) in the PM from a variety of combustion sources suggests its role in the enhancement of disease severity of lower respiratory tract infections (LRTI). Our previous studies demonstrated that acute exposure to EPFRs induces pulmonary immunosuppression allowing for enhanced influenza disease severity...
January 13, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28086844/are-risk-predicting-models-useful-for-estimating-survival-of-patients-with-rheumatoid-arthritis-associated-interstitial-lung-disease
#6
Hanna M Nurmi, Minna K Purokivi, Miia S Kärkkäinen, Hannu-Pekka Kettunen, Tuomas A Selander, Riitta L Kaarteenaho
BACKGROUND: Risk predicting models have been applied in idiopathic pulmonary fibrosis (IPF), but still not validated in patients with rheumatoid arthritis-associated interstitial lung disease (RA-ILD). The purpose of this study was to test the suitability of three prediction models as well as individual lung function and demographic factors for evaluating the prognosis of RA-ILD patients. METHODS: Clinical and radiological data of 59 RA-ILD patients was re-assessed...
January 13, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28081532/cardiovascular-events-in-moderately-to-severely-obese-obstructive-sleep-apnea-patients-on-positive-airway-pressure-therapy
#7
Anna Maria Marotta, Jean-Christian Borel, Louis M Galerneau, Renaud Tamisier, Maria R Bonsignore, Jean Louis Pépin
BACKGROUND: In moderately to severely obese patients with obstructive sleep apnea (OSA), the effects of long-term positive airway pressure (PAP) treatment on cardiovascular risk are poorly defined. PURPOSE: To assess the effect of continuous positive airway pressure (CPAP) or noninvasive ventilation (NIV) on the occurrence of cardiovascular events in obese OSA patients. METHODS: We performed a noninterventional observational study in obese OSA patients recruited between 2007 and 2010 at the Sleep Center, University of Grenoble, treated with CPAP or NIV, and followed for 5...
January 13, 2017: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/28081058/leading-causes-of-death-in-nonmetropolitan-and-metropolitan-areas-united-states-1999-2014
#8
Ernest Moy, Macarena C Garcia, Brigham Bastian, Lauren M Rossen, Deborah D Ingram, Mark Faul, Greta M Massetti, Cheryll C Thomas, Yuling Hong, Paula W Yoon, Michael F Iademarco
PROBLEM/CONDITION: Higher rates of death in nonmetropolitan areas (often referred to as rural areas) compared with metropolitan areas have been described but not systematically assessed. PERIOD COVERED: 1999-2014 DESCRIPTION OF SYSTEM: Mortality data for U.S. residents from the National Vital Statistics System were used to calculate age-adjusted death rates and potentially excess deaths for nonmetropolitan and metropolitan areas for the five leading causes of death...
January 13, 2017: MMWR. Surveillance Summaries: Morbidity and Mortality Weekly Report. Surveillance Summaries
https://www.readbyqxmd.com/read/28080976/respiratory-modulation-of-startle-eye-blink-a-new-approach-to-assess-afferent-signals-from-the-respiratory-system
#9
André Schulz, Thomas M Schilling, Claus Vögele, Mauro F Larra, Hartmut Schächinger
Current approaches to assess interoception of respiratory functions cannot differentiate between the physiological basis of interoception, i.e. visceral-afferent signal processing, and the psychological process of attention focusing. Furthermore, they typically involve invasive procedures, e.g. induction of respiratory occlusions or the inhalation of CO2-enriched air. The aim of this study was to test the capacity of startle methodology to reflect respiratory-related afferent signal processing, independent of invasive procedures...
November 19, 2016: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28080973/changes-in-interoceptive-processes-following-brain-stimulation
#10
Olga Pollatos, Beate M Herbert, Sandra Mai, Thomas Kammer
The processing and perception of individual internal bodily signals (interoception) has been differentiated to comprise different levels and processes involved. The so-called heartbeat-evoked potential (HEP) offers an additional possibility to examine automatic processing of cardiac signals. Knowledge on neural structures potentially supporting different facets of interoception is still sparse. One way to get insights into neuroanatomical function is to manipulate the activity of different brain structures...
November 19, 2016: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28079866/outcomes-of-twin-pregnancies-complicated-by-gestational-diabetes-a-meta-analysis-of-observational-studies
#11
R T McGrath, S L Hocking, E S Scott, S K Seeho, G R Fulcher, S J Glastras
OBJECTIVE: Gestational diabetes mellitus (GDM) in singleton pregnancy is associated with large for gestational age neonates and adverse perinatal outcomes; however, the impact of GDM in twin pregnancy is unclear. Thus, the aim of this study is to assess the perinatal outcomes of twin pregnancies complicated by GDM by performing a meta-analysis of observational studies. STUDY DESIGN: Studies investigating GDM in twin pregnancy were identified through an online search of three databases: Medline, Embase and Web of Science...
January 12, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/28079846/patient-confidence-and-quality-of-life-in-idiopathic-pulmonary-fibrosis-and-sarcoidosis
#12
Jalpa Kotecha, Christopher Atkins, Andrew Wilson
BACKGROUND: Idiopathic pulmonary fibrosis (IPF) and sarcoidosis impact significantly on health-related quality of life (HRQOL). There are few studies on the impact of patient confidence on HRQOL in these conditions. OBJECTIVES: 1. To investigate whether patient confidence is associated with HRQOL, anxiety, depression, dyspnoea or fatigue. 2. To assess if patient confidence is associated with inpatient admissions, access to community healthcare and, for IPF patients, mortality and disease severity...
December 23, 2016: Sarcoidosis, Vasculitis, and Diffuse Lung Diseases: Official Journal of WASOG
https://www.readbyqxmd.com/read/28079844/serum-interleukin-6-in-systemic-sclerosis-and-its-correlation-with-disease-parameters-and-cardiopulmonary-involvement
#13
Rasha A Abdel-Magied, Shereen R Kamel, Azza Farag Said, Hazem M Ali, Ehab A Abdel Gawad, Mahmoud M Moussa
OBJECTIVE: To assess serum interleukin-6 (IL-6)level in patients with systemic sclerosis (SSc) and its correlations with European Scleroderma Study Group activity score (EUSTAR), Scleroderma Assessment Questionnaire (SAQ), disability index and cardiopulmonary involvement. METHODS: Twenty SSc patients and 10 matched healthy controls were included. Serum IL-6 was measured in patients and controls. Disease activity, status,and disability were assessed.Cardiopulmonary involvement was evaluated by pulmonary function tests (PFTs), six minute walk test, echocardiography, and high resolution computed tomography (HRCT) of chest...
December 23, 2016: Sarcoidosis, Vasculitis, and Diffuse Lung Diseases: Official Journal of WASOG
https://www.readbyqxmd.com/read/28079829/breath-hold-and-free-breathing-f-18-fdg-pet-ct-in-malignant-melanoma-detection-of-additional-tumoral-foci-and-effects-on-quantitative-parameters
#14
Robert Bärwolf, Mariana Zirnsak, Martin Freesmeyer
During PET/CT acquisition, respiratory motion generates artifacts in the form of breath-related blurring, which may impair lesion detectability and diagnostic accuracy. This observational study was undertaken to verify whether breath-hold F-18-FDG-PET/CT (bhPET) detects additional foci compared to free-breathing PET/CT (fbPET) in cases of malignant melanoma, and to assess the impact of breath-holding on standard uptake values (SUV) and metabolic isocontoured volume (mVic40).Thirty-four patients with melanoma were examined...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28079704/modeling-perceived-exertion-during-graded-arm-cycling-exercise-in-spinal-cord-injury
#15
Jason S Au, Julia O Totosy de Zepetnek, Maureen J MacDonald
PURPOSE: Ratings of perceived exertion (RPE) may be useful for exercise testing and prescription in individuals with spinal cord injury (SCI), though the roles of differentiated central and peripheral fatigue during exercise are not clear. We aimed to model differentiated RPE responses during graded arm cycling in individuals with SCI and describe their relationship to cardiorespiratory outcomes. METHODS: Thirty-six individuals with SCI (13 paraplegia; 23 tetraplegia) completed a maximal graded-arm cycling exercise test to volitional exhaustion (5W/min paraplegia; 10W/min tetraplegia)...
January 10, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28079401/hemo2life-as-a-protective-additive-to-celsior-solution-for-static-storage-of-donor-hearts-prior-to-transplantation
#16
Elaine S Teh, Franck Zal, Valérie Polard, Philippe Menasché, David J Chambers
BACKGROUND: Prior to heart transplantation, static storage of donor hearts is currently limited to 4-5 h, despite profound hypothermia (4-8 °C). Because heart transplantation is an emergency procedure, improved protection to extend safe storage duration would be advantageous. We investigated whether the naturally respiratory pigment HEMO2life(®), which is effective at hypothermia for the passive release of oxygen via oxygen gradient, could improve long-term preservation. METHODS: Isolated Langendorff-perfused rat hearts (n = 12/group) were equilibrated (20 min) and function (left ventricular developed pressure: LVDP) measured by intraventricular balloon before arrest with cold (7...
January 12, 2017: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/28079275/non-malignant-respiratory-disease-among-workers-in-industries-using-styrene-a-review-of-the-evidence
#17
REVIEW
Randall J Nett, Jean M Cox-Ganser, Ann F Hubbs, Avima M Ruder, Kristin J Cummings, Yuh-Chin T Huang, Kathleen Kreiss
BACKGROUND: Asthma and obliterative bronchiolitis (OB) cases have occurred among styrene-exposed workers. We aimed to investigate styrene as a risk factor for non-malignant respiratory disease (NMRD). METHODS: From a literature review, we identified case reports and assessed cross-sectional and mortality studies for strength of evidence of positive association (i.e., strong, intermediate, suggestive, none) between styrene exposure and NMRD-related morbidity and mortality...
February 2017: American Journal of Industrial Medicine
https://www.readbyqxmd.com/read/28078833/clinical-profile-and-outcome-of-patients-with-severe-sepsis-treated-in-an-intensive-care-unit-in-india
#18
T T Paary, M S Kalaiselvan, M K Renuka, A S Arunkumar
Introduction: Sepsis is the leading cause of intensive care unit (ICU) admissions and is associated with high mortality. Objectives: To identify the incidence, risk factors and outcome of patients with severe sepsis and septic shock. Methods: A prospective observational study was done in a multidisciplinary ICU over a period of 18 months. We included all adult patients admitted to ICU with features of severe sepsis and septic shock as per SCCM/ACCP guidelines...
30, 2016: Ceylon Medical Journal
https://www.readbyqxmd.com/read/28078756/infections-in-non-splenectomized-persistent-or-chronic-primary-immune-thrombocytopenia-adults-risk-factors-and-vaccination-effect
#19
Guillaume Moulis, Maryse Lapeyre-Mestre, Aurore Palmaro, Laurent Sailler
INTRODUCTION: Risk factors for infection and protective effect of vaccines in immune thrombocytopenia (ITP) patients in the era of rituximab therapy are unknown. OBJECTIVES: To assess the risk factors for serious and non-serious infections (respectively, SIs and NSIs) in non-splenectomized adults treated for persistent or chronic primary ITP, including the effect of pneumococcal and influenza vaccines. PATIENTS/METHODS: The population was the 2009-2012 FAITH cohort (n=1805), which is the cohort of all incident (newly diagnosed) primary ITP adults treated >3months in France built in the national health insurance database (SNIIRAM)...
January 12, 2017: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/28077283/aetiology-of-febrile-pharyngitis-in-children-potential-of-myxovirus-resistance-protein-a-mxa-as-a-biomarker-of-viral-infection
#20
Lauri Ivaska, Jussi Niemelä, Johanna Lempainen, Riikka Österback, Matti Waris, Tytti Vuorinen, Jukka Hytönen, Kaisu Rantakokko-Jalava, Ville Peltola
OBJECTIVES: Besides group A streptococcus (GAS), microbial causes of pharyngitis in children are not well known. We aimed to document the viral and bacterial aetiology of pharyngitis and to assess the pathogenic role of viruses by determining the myxovirus resistance protein A (MxA) in the blood as a marker of interferon response. METHODS: In this prospective observational study, throat swabs and blood samples were collected from children (age 1-16 years) presenting to the emergency department with febrile pharyngitis...
January 7, 2017: Journal of Infection
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