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Inhaled nitric oxide

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https://www.readbyqxmd.com/read/29042800/postpartum-airway-responsiveness-and-exacerbation-of-asthma-during-pregnancy-a-pilot-study
#1
Zarqa Ali, Lisbeth Nilas, Charlotte Suppli Ulrik
BACKGROUND: Airway responsiveness and inflammation are associated with the clinical manifestations of asthma and the response to pharmacological therapy. OBJECTIVE: To investigate if airway responsiveness and inflammatory characteristics are related to asthma exacerbations during pregnancy. MATERIALS AND METHODS: In women with asthma who were prescribed controller medication and monitored closely during pregnancy, the risk of exacerbations was analyzed in relation to postpartum measures of fractional exhaled nitric oxide (FENO), skin prick test reactivity, static and dynamic lung volumes, diffusing capacity for carbon monoxide, bronchial responsiveness to inhaled mannitol, and inflammatory characteristics in induced sputum...
2017: Journal of Asthma and Allergy
https://www.readbyqxmd.com/read/29034296/diagnosis-of-asthma-in-symptomatic-children-based-on-measures-of-lung-function-an-analysis-of-data-from-a-population-based-birth-cohort-study
#2
Clare Murray, Philip Foden, Lesley Lowe, Hannah Durrington, Adnan Custovic, Angela Simpson
BACKGROUND: Concerns have been expressed about asthma overdiagnosis. The UK National Institute of Health and Care Excellence (NICE) proposed a new diagnostic algorithm applying four lung function measures sequentially (ratio of forced expiratory volume in 1 s [FEV1] to forced vital capacity [FVC] <70%, bronchodilator reversibility ≥12%, fractional exhaled nitric oxide [FeNO] ≥35 parts per billion, and peak expiratory flow variability >20%). We aimed to assess the diagnostic value of three of the tests individually, and then test the proposed algorithm in symptomatic children...
October 2017: Lancet Child Adolesc Health
https://www.readbyqxmd.com/read/29020775/portable-nitric-oxide-no-generator-based-on-electrochemical-reduction-of-nitrite-for-potential-applications-in-inhaled-no-therapy-and-cardiopulmonary-bypass-surgery
#3
Yu Qin, Joanna Zajda, Elizabeth J Brisbois, Hang Ren, John Toomasian, Terry Major, Alvaro Rojas-Pena, Benjamin Carr, Thomas Johnson, Jonathan Haft, Robert H Bartlett, Andrew Hunt, Nicolai Lehnert, Mark E Meyerhoff
A new portable gas phase nitric oxide (NO) generator is described for potential applications in inhaled NO (INO) therapy and during cardiopulmonary bypass (CPB) surgery. In this system, NO is produced at the surface of a large area mesh working electrode by electrochemical reduction of nitrite ions in the presence of a soluble copper(II)-ligand electron transfer mediator complex. The NO generated is then transported into gas phase by either direct purging with nitrogen or via circulating the electrolyte/nitrite solution through a gas extraction silicone fiber-based membrane-dialyzer assembly...
October 11, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28982775/a-virtual-asthma-clinic-for-children-fewer-routine-outpatient-visits-same-asthma-control
#4
Lara S van den Wijngaart, Jolt Roukema, Annemie L M Boehmer, Marianne L Brouwer, Cindy A C Hugen, Laetitia E M Niers, Arwen J Sprij, Eleonora R V M Rikkers-Mutsaerts, Bart L Rottier, A Rogier T Donders, Chris M Verhaak, Mariëlle W Pijnenburg, Peter J F M Merkus
eHealth is an appealing medium to improve healthcare and its value (in addition to standard care) has been assessed in previous studies. We aimed to assess whether an eHealth intervention could improve asthma control while reducing 50% of routine outpatient visits.In a multicentre, randomised controlled trial with a 16-month follow-up, asthmatic children (6-16 years) treated in eight Dutch hospitals were randomised to usual care (4-monthly outpatient visits) and online care using a virtual asthma clinic (VAC) (8-monthly outpatient visits with monthly web-based monitoring)...
October 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28981975/lung-function-improvement-and-airways-inflammation-reduction-in-asthmatic-children-after-a-rehabilitation-program-at-moderate-altitude
#5
Eugen Bersuch, Florian Gräf, Ellen D Renner, Andreas Jung, Claudia Traidl-Hoffmann, Roger Lauener, Caroline Roduit
BACKGROUND: Rehabilitational programs at moderate altitude (1500m to 2500m) showed improvement of lung function and reduction of airways inflammation in asthmatic adults. Allergen avoidance was postulated as the major cause of these improvements. METHODS: Spirometries of 344 and fractional exhaled nitric oxide measurements (FeNO) of 124 asthmatic children and adolescents, staying in a rehabilitation hospital in Davos (1590m) with at least 14 days between admission and discharge, were analysed in associations with atopic sensitisation (skin-prick testing and/or specific IgE), level of asthma control, and inhalative corticosteroid (ICS) dose...
October 5, 2017: Pediatric Allergy and Immunology
https://www.readbyqxmd.com/read/28978633/international-union-of-basic-and-clinical-pharmacology-cii-pharmacological-modulation-of-h2s-levels-h2s-donors-and-h2s-biosynthesis-inhibitors
#6
REVIEW
Csaba Szabo, Andreas Papapetropoulos
Over the last decade, hydrogen sulfide (H2S) has emerged as an important endogenous gasotransmitter in mammalian cells and tissues. Similar to the previously characterized gasotransmitters nitric oxide and carbon monoxide, H2S is produced by various enzymatic reactions and regulates a host of physiologic and pathophysiological processes in various cells and tissues. H2S levels are decreased in a number of conditions (e.g., diabetes mellitus, ischemia, and aging) and are increased in other states (e.g., inflammation, critical illness, and cancer)...
October 2017: Pharmacological Reviews
https://www.readbyqxmd.com/read/28977101/extracorporeal-membrane-oxygenation-in-acute-respiratory-distress-syndrome-due-to-influenza-a-h1n1-pdm09-pneumonia-a-single-center-experience-during-the-2013-2014-season
#7
Nithya Menon, Carlos M Perez-Velez, Jennifer A Wheeler, Michael F Morris, Orazio L Amabile, Mark R Tasset, Robert A Raschke
OBJECTIVE: This report aimed to describe the outcomes of the patients with severe H1N1 associated acute respiratory distress syndrome who were treated with extracorporeal membrane oxygenation therapy. METHODS: This retrospective review analyzed a single-center cohort of adult patients with H1N1-related acute respiratory distress syndrome who were managed with veno-venous extracorporeal membrane oxygenation during the winter of 2013/2014. RESULTS: A total of 10 patients received veno-venous extracorporeal membrane oxygenation for H1N1 influenza between January 2013 and March 2014...
September 28, 2017: Revista Brasileira de Terapia Intensiva
https://www.readbyqxmd.com/read/28976216/how-should-treatment-approaches-differ-depending-on-the-severity-of-asthma
#8
Maciej Kupczyk, Piotr Kuna
Asthma is nowadays regarded as a syndrome of various overlapping phenotypes with defined clinical characteristics, different underlying inflammatory mechanisms, identifiable genetic background, environmental risk factors and possible biomarkers. There are no doubts that due to the diversity of asthma, a 'one size fits all' management of the disease is no longer valid. Areas covered: Nowadays asthma management is based on the control of the disease, and the goals of asthma treatment are defined as good symptom control, decreased future risk of exacerbations, fixed airflow limitation, and side-effects of treatment...
October 16, 2017: Expert Review of Respiratory Medicine
https://www.readbyqxmd.com/read/28974829/the-influence-of-smoking-on-the-variations-in-carboxyhemoglobin-and-methemoglobin-during-urologic-surgery
#9
Aleksandra Gavrilovska-Brzanov, Mirjana Shosholcheva, Biljana Kuzmanovska, Andrijan Kartalov, Maja Mojsova-Mijovska, Marija Jovanovski-Srceva, Gordana Taleska, Nikola Brzanov, Risto Simeonov, Maja Slaninka Miceska
INTRODUCTION: Surgery is supposed to modulate the production of carbon monoxide by the reduction of heme oxygenase activity or transcriptional regulation of inducible heme oxygenase. On the other hand, the inhalation of tobacco smoke can substantially raise the level of carboxyhemoglobin in the blood. Furthermore, methemoglobin is maintained at a constant level. However, excessive production of methemoglobin relative to total methemoglobin reductase activity results in methemoglobin increase...
June 2017: Medical Archives
https://www.readbyqxmd.com/read/28974647/a-quality-improvement-project-to-improve-evidence-based-inhaled-nitric-oxide-use
#10
Colleen A Hughes Driscoll, Natalie L Davis, Megan Miles, Dina El-Metwally
BACKGROUND: Inhaled nitric oxide (INO) reduces extracorporeal membrane oxygenation (ECMO) use in term and near-term neonates with persistent pulmonary hypertension of the newborn; however, its overutilization is increasing. We hypothesized that implementing a shared baseline protocol would safely improve evidence-based INO use in a Level IV neonatal ICU. METHODS: Through several plan-do-study-act cycles, a shared baseline protocol for initiation and weaning of INO was developed and implemented starting in August 2014...
October 3, 2017: Respiratory Care
https://www.readbyqxmd.com/read/28973344/effect-of-inhaled-nitric-oxide-on-survival-without-bronchopulmonary-dysplasia-in-preterm-infants-a-randomized-clinical-trial
#11
Shabih U Hasan, Jim Potenziano, Girija G Konduri, Jose A Perez, Krisa P Van Meurs, M Whit Walker, Bradley A Yoder
Importance: Bronchopulmonary dysplasia (BPD) occurs in approximately 40% of infants born at younger than 30 weeks' gestation and is associated with adverse pulmonary and neurodevelopmental outcomes. Objective: To test whether administration of inhaled nitric oxide to preterm infants requiring positive pressure respiratory support on postnatal days 5 to 14 improves the rate of survival without BPD. Design, Setting, and Participants: This intent-to-treat study was a randomized clinical trial performed at 33 US and Canadian neonatal intensive care units...
September 25, 2017: JAMA Pediatrics
https://www.readbyqxmd.com/read/28973329/the-ability-of-nitric-oxide-to-lower-intraocular-pressure-is-dependent-on-guanylyl-cyclase
#12
Stefan Muenster, Wolfgang S Lieb, Gregor Fabry, Kaitlin N Allen, Shivani S Kamat, Ann H Guy, Ana C Dordea, Leandro Teixeira, Robert E Tainsh, Binglan Yu, Wei Zhu, Nicole E Ashpole, Rajeev Malhotra, Peter Brouckaert, Donald B Bloch, Marielle Scherrer-Crosbie, W Daniel Stamer, Markus H Kuehn, Louis R Pasquale, Emmanuel S Buys
Purpose: While nitric oxide (NO) donors are emerging as treatments for glaucoma, the mechanism by which NO lowers intraocular pressure (IOP) is unclear. NO activates the enzyme guanylyl cyclase (GC) to produce cyclic guanosine monophosphate. We studied the ocular effects of inhaled and topically applied NO gas in mice and lambs, respectively. Methods: IOP and aqueous humor (AqH) outflow were measured in WT and GC-1α subunit null (GC-1-/-) mice. Mice breathed 40 parts per million (ppm) NO in O2 or control gas (N2/O2)...
September 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28971652/-the-morbidity-and-mortality-of-influenza-patients-treated-at-rambam-medical-center-intensive-care-unit-in-the-years-2009-2014
#13
Yaron Bar-Lavie, Khetam Hussein, Ami Mayo, Daniel King, Zipi Kra-Oz, Michal Paul
INTRODUCTION: Data regarding the characteristics and results of the treatment of patients hospitalized in intensive care units (ICUs) with influenza in Israel are limited. AIMS: We evaluated the characteristics and outcomes of patients treated at Rambam Medical Center at the adult department of critical care medicine for influenza between the years 2009-2014. METHODS: A retrospective cohort study was conducted. Patients were detected by laboratory reports and data were extracted from electronic medical records...
September 2017: Harefuah
https://www.readbyqxmd.com/read/28959686/treatment-strategies-for-congenital-diaphragmatic-hernia-change-sometimes-comes-bearing-gifts
#14
Francesco Morini, Kevin P Lally, Pamela A Lally, Rosa Maria Crisafulli, Irma Capolupo, Pietro Bagolan
OBJECTIVE: To report treatment strategies' evolution and its impact on congenital diaphragmatic hernia (CDH) outcome. DESIGN: Registry-based cohort study using the CDH Study Group database, 1995-2013. SETTING: International multicenter database. PATIENTS: CDH patients entered into the registry. Late presenters or patients with very incomplete data were excluded. Patients were divided into three Eras (1995-2000; 2001-2006; 2007-2013)...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28959121/inhaled-steroids-and-active-smoking-drive-chronic-obstructive-pulmonary-disease-symptoms-and-biomarkers-to-a-greater-degree-than-airflow-limitation
#15
Philip E Silkoff, Dave Singh, J Mark FitzGerald, Andreas Eich, Andrea Ludwig-Sengpiel, Geoffrey C Chupp, Vibeke Backer, Celeste Porsbjerg, Pierre-Olivier Girodet, Mark T Dransfield, Frederic Baribaud, Vedrana S Susulic, Matthew J Loza
RATIONALE: Chronic obstructive pulmonary disease (COPD) is a heterogeneous disease, and development of novel therapeutics requires an understanding of pathophysiologic phenotypes. OBJECTIVES: The purpose of the Airways Disease Endotyping for Personalized Therapeutics (ADEPT) study was to correlate clinical features and biomarkers with molecular characteristics in a well-profiled COPD cohort. METHODS: A total of 67 COPD subjects (forced expiratory volume in the first second of expiration [FEV1]: 45%-80% predicted) and 63 healthy smoking and nonsmoking controls underwent multiple assessments including patient questionnaires, lung function, and clinical biomarkers including fractional exhaled nitric oxide (FENO), induced sputum, and blood...
2017: Biomarker Insights
https://www.readbyqxmd.com/read/28940999/hearts-transplanted-after-circulatory-death-in-children-analysis-of-the-international-society-for-heart-and-lung-transplantation-registry
#16
Jake A Kleinmahon, Sonali S Patel, Scott R Auerbach, Joseph Rossano, Melanie D Everitt
We aimed to describe worldwide DCD HT experience in children using the International Society for Heart and Lung Transplantation Registry. The Registry was queried for primary HT performed in children (2005-2014). Kaplan-Meier analysis was used to assess survival for recipients grouped by DCD or DBD hearts. Recipient characteristics were compared between DCD and DBD and between survivors and non-survivors of DCD HT. Among 3877 pediatric HT performed, 21 (0.5%) were DCD. DCD 1-year survival was 61% vs 91% DBD, P < ...
September 21, 2017: Pediatric Transplantation
https://www.readbyqxmd.com/read/28929816/which-inhaled-corticosteroid-and-long-acting-%C3%AE-agonist-combination-is-better-in-patients-with-moderate-to-severe-asthma-a-dry-powder-inhaler-or-a-pressurized-metered-dose-inhaler
#17
Masato Muraki, Kyuya Gose, Soichiro Hanada, Hirochiyo Sawaguchi, Yuji Tohda
Two main types of devices are used to facilitate the administration of inhaled corticosteroid (ICS) and long-acting β-agonist (LABA) in combination, dry powder inhalers (DPIs) and pressurized metered-dose inhalers (pMDIs). There are few reports comparing the effects of the two devices, and it is unknown which should be recommended for asthma patients with given sets of characteristics. In the current study, the beneficial effects and side effects associated with DPIs and pMDIs were compared, and the question of which device should be recommended for asthma patients was investigated...
November 2017: Drug Delivery
https://www.readbyqxmd.com/read/28927489/role-of-exhaled-nasal-nitric-oxide-in-distinguishing-between-chronic-rhinosinusitis-with-and-without-nasal-polyps
#18
(no author information available yet)
BACKGROUND: Chronic rhinosinusitis (CRS) with nasal polyps (CRSwNP) and CRS without nasal polyps (CRSsNP) nasal polypsis a global health concern. Several clinical biomarkers, such as inhaled carbon monoxide and exhaled nitric oxide (NO), have been studied to assess the presence and degree of inflammation in the airway mucosa. OBJECTIVE: To evaluate the clinical application of exhaled nasal NO (nNO) in distinguishing between CRSwNP and CRSsNP in consideration of the atopic status of patients...
September 19, 2017: American Journal of Rhinology & Allergy
https://www.readbyqxmd.com/read/28926855/a-comparison-of-the-efficacy-of-once-daily-fluticasone-furoate-vilanterole-with-twice-daily-fluticasone-propionate-salmeterol-in-elderly-asthmatics
#19
Yoshihisa Ishiura, Masaki Fujimura, Yasutaka Shiba, Noriyuki Ohkura, Johsuke Hara, Miki Abo, Kazuo Kasahara
Background Asthma in the elderly population has been focused because it affects quality of life and results in a higher hospitalization rate and mortality. Fluticasone furoate (FF)/vilanterole (VI) is a novel inhaled corticosteroids (ICS)/long-acting β2 agonist (LABA) combination being developed for once-daily administration for asthma with greater anti-inflammatory activity and longer duration of bronchidilation. The Ellipta(TM) dry powder inhaler (DPI) has also been available as a new device with high levels of satisfaction and preference...
September 19, 2017: Drug Research
https://www.readbyqxmd.com/read/28926832/persistent-pulmonary-hypertension-of-the-newborn-in-twin-twin-transfusion-syndrome-a-case-control-study
#20
Manon Gijtenbeek, M C Haak, Derk Jan Ten Harkel, Arjan B Te Pas, Johanna M Middeldorp, Frans J C M Klumper, Nan van Geloven, Dick Oepkes, Enrico Lopriore
BACKGROUND: Persistent pulmonary hypertension of the newborn (PPHN) is associated with severe morbidity and mortality. Twin-twin transfusion syndrome (TTTS) is suggested to increase the risk of PPHN. OBJECTIVES: To describe the incidence of PPHN in TTTS twins and to identify risk factors in TTTS twins for the development of severe PPHN. METHODS: Cases with severe PPHN were extracted from our monochorionic twin database (2002-2016). Severe PPHN was defined as severe hypoxaemia requiring mechanical ventilation and inhaled nitric oxide (iNO) treatment, confirmed by strict echocardiographic criteria...
September 20, 2017: Neonatology
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