Relation between shunt, aeration, and perfusion in experimental acute lung injury.

abstract：:We hypothesized that variation in extubating brain injured patients would affect the incidence of nosocomial pneumonia, length of stay, and hospital charges. In a prospective cohort of consecutive, intubated brain-injured patients, we evaluated daily: intubation status, spontaneous ventilatory parameters, gas exchange...

journal_title：American journal of respiratory and critical care medicine

authors： Coplin WM,Pierson DJ,Cooley KD,Newell DW,Rubenfeld GD

更新日期：2000-05-01 00:00:00

abstract：:The factors that lead to increased production of specific IgG subclasses are still largely unknown. Recent studies suggest that increased IgG4 responses may be related to prolonged antigen exposure. We present data showing that increased IgG4 responses are found under conditions of chronic exposure to Aspergillus fumi...

journal_title：American journal of respiratory and critical care medicine

authors： Tomee JF,Dubois AE,Koëter GH,Beaumont F,van der Werf TS,Kauffman HF

更新日期：1996-06-01 00:00:00

abstract：:Theophylline is well-established in the management of asthma, and there is some evidence of an antiinflammatory effect in asthma. It is not known whether theophylline affects inflammatory markers such as sputum eosinophils and exhaled nitric oxide (NO) in patients with mild asthma not receiving inhaled steroid therapy...

journal_title：American journal of respiratory and critical care medicine

authors： Lim S,Tomita K,Caramori G,Jatakanon A,Oliver B,Keller A,Adcock I,Chung KF,Barnes PJ

更新日期：2001-07-15 00:00:00

abstract：RATIONALE:Chronic exposure to indoor nitrogen dioxide (NO2) is a public health concern. Over half of U.S. households have a source of NO2, and experimental data suggest potential for adverse respiratory effects. OBJECTIVE:To examine associations of indoor NO2 exposure with respiratory symptoms among children with asth...

journal_title：American journal of respiratory and critical care medicine

authors： Belanger K,Gent JF,Triche EW,Bracken MB,Leaderer BP

更新日期：2006-02-01 00:00:00

abstract：:Currently the diagnosis of chronic obstructive pulmonary disease (COPD) requires the demonstration of airflow limitation, defined as a post-bronchodilator FEV1/FVC <0.7, a measurement that remains methodologically robust and widely available. FEV1 is one of the most powerful predictors of clinically relevant outcomes ...

journal_title：American journal of respiratory and critical care medicine

authors： Han MK,Agusti A,Celli BR,Criner GJ,Halpin DMG,Roche N,Papi A,Stockley RA,Wedzicha J,Vogelmeier CF

更新日期：2020-11-19 00:00:00

abstract：:11beta-hydroxysteroid dehydrogenases (11beta-HSD) are responsible for the conversion of bioactive glucocorticoids to and from inactive metabolites. 11beta-HSD2 is generally considered a high-affinity inactivator of natural glucocorticoids, although its activity with synthetic compounds in vivo is unknown. Inhaled cort...

journal_title：American journal of respiratory and critical care medicine

authors： Orsida BE,Krozowski ZS,Walters EH

更新日期：2002-04-01 00:00:00

abstract：:The relationship between asthma medication and the perception of asthma symptoms is of interest for daily practice. Poor perception of asthma symptoms might influence patients' health care behavior and subsequently might lead to undertreatment and deterioration of their disease. This study investigated the influence o...

journal_title：American journal of respiratory and critical care medicine

authors： Bijl-Hofland ID,Cloosterman SG,Folgering HT,van den Elshout FJ,van Weel C,van Schayck CP

更新日期：2001-09-01 00:00:00

abstract：:Background: This document provides evidence-based clinical practice guidelines on the management of adult patients with community-acquired pneumonia.Methods: A multidisciplinary panel conducted pragmatic systematic reviews of the relevant research and applied Grading of Recommendations, Assessment, Development, and Ev...

journal_title：American journal of respiratory and critical care medicine

authors： Metlay JP,Waterer GW,Long AC,Anzueto A,Brozek J,Crothers K,Cooley LA,Dean NC,Fine MJ,Flanders SA,Griffin MR,Metersky ML,Musher DM,Restrepo MI,Whitney CG

更新日期：2019-10-01 00:00:00

abstract：RATIONALE:Immunophenotypes of antiviral responses, and their relationship with asthma, allergy, and lower respiratory tract infections, are poorly understood. OBJECTIVES:We characterized multiple cytokine responses of peripheral blood mononuclear cells to rhinovirus stimulation, and their relationship with clinical ou...

journal_title：American journal of respiratory and critical care medicine

authors： Custovic A,Belgrave D,Lin L,Bakhsoliani E,Telcian AG,Solari R,Murray CS,Walton RP,Curtin J,Edwards MR,Simpson A,Rattray M,Johnston SL

更新日期：2018-05-15 00:00:00

abstract：:Genetic susceptibility to asthma is due to multiple genes that interact with each other and the environment. There are many known environmental influences, such as viral and other respiratory infections and exposure to allergens, air pollutants, and active or passive cigarette smoke (1). Genome-wide screens for asthma...

journal_title：American journal of respiratory and critical care medicine

authors： Bleecker ER,Postma DS,Meyers DA

更新日期：1997-10-01 00:00:00

abstract：:Bacterial lipopolysaccharide (LPS) is known to induce the expression of inducible nitric oxide synthase (iNOS) in the lung and to lead to increased pulmonary nitric oxide (NO) production. The contribution of various pulmonary cells to this phenomenon remains unclear. In this study, we used gadolinium chloride, a block...

journal_title：American journal of respiratory and critical care medicine

authors： Fujii Y,Goldberg P,Hussain SN

更新日期：1998-05-01 00:00:00

abstract：:Induced sputum using hypertonic saline (HS) is a useful research tool to study airway inflammation (AI). HS provocation testing can also be used to measure airway hyperresponsiveness (AHR). A combined HS challenge and sputum induction procedure has been developed to permit assessment of AI and AHR in a single test. Th...

journal_title：American journal of respiratory and critical care medicine

authors： Jones PD,Hankin R,Simpson J,Gibson PG,Henry RL

更新日期：2001-10-01 00:00:00

abstract：RATIONALE:No methodical assessment of the lung, cardiac, and sleep function of patients surviving an acute hypercapnic respiratory failure episode requiring admission to the intensive care unit (ICU) has been reported in the literature. OBJECTIVES:To prospectively investigate the prevalence and impact of comorbidities...

journal_title：American journal of respiratory and critical care medicine

authors： Adler D,Pépin JL,Dupuis-Lozeron E,Espa-Cervena K,Merlet-Violet R,Muller H,Janssens JP,Brochard L

更新日期：2017-07-15 00:00:00

abstract：:Cigarette smoking causes the development of chronic bronchitis and chronic obstructive pulmonary disease. We hypothesized that exposure to cigarette smoke might initiate release of inflammatory mediators by bronchial epithelial cells. To evaluate this, the effect of cigarette smoke extract (CSE) on IL-8 release from c...

journal_title：American journal of respiratory and critical care medicine

authors： Mio T,Romberger DJ,Thompson AB,Robbins RA,Heires A,Rennard SI

更新日期：1997-05-01 00:00:00

abstract：:Although all the well-recognized muscles of expiration are paralyzed after traumatic transection of the lower cervical cord, tetraplegic subjects can still empty their lungs actively by contracting the clavicular portion of the pectoralis major. It is not known, however, whether contraction of this muscle bundle may r...

journal_title：American journal of respiratory and critical care medicine

authors： Estenne M,Van Muylem A,Gorini M,Kinnear W,Heilporn A,De Troyer A

更新日期：1994-10-01 00:00:00

abstract：:We evaluated positron emission tomographic imaging of pulmonary transgene expression, using an enhanced mutant herpes simplex virus-1 thymidine kinase as the reporter gene, in the lungs of normal rats. Sixteen rats were studied 3 days after an intratracheal administration of 5 x 10(9) to 1 x 10(11) viral particles of ...

journal_title：American journal of respiratory and critical care medicine

authors： Richard JC,Zhou Z,Ponde DE,Dence CS,Factor P,Reynolds PN,Luker GD,Sharma V,Ferkol T,Piwnica-Worms D,Schuster DP

更新日期：2003-05-01 00:00:00

abstract：:Cilomilast (Ariflo), a new oral phosphodiesterase-4 selective inhibitor, improves lung function in chronic obstructive pulmonary disease (COPD). We have evaluated its antiinflammatory effects in 59 patients with COPD randomized to receive cilomilast, 15 mg two times a day, or placebo for 12 weeks. Induced sputum diffe...

journal_title：American journal of respiratory and critical care medicine

authors： Gamble E,Grootendorst DC,Brightling CE,Troy S,Qiu Y,Zhu J,Parker D,Matin D,Majumdar S,Vignola AM,Kroegel C,Morell F,Hansel TT,Rennard SI,Compton C,Amit O,Tat T,Edelson J,Pavord ID,Rabe KF,Barnes NC,Jeffery PK

更新日期：2003-10-15 00:00:00

abstract：:Smoking is the major risk factor for chronic respiratory symptoms, but dietary factors may also play a role. Most studies of diet and lung disease have been cross-sectional and conducted in populations with a Western-style diet. We analyzed the relation between dietary intake at baseline and new onset of cough with ph...

journal_title：American journal of respiratory and critical care medicine

authors： Butler LM,Koh WP,Lee HP,Yu MC,London SJ

更新日期：2004-08-01 00:00:00

abstract：:Airway hyperresponsiveness in asthma has been attributed to impaired ability of deep inspiration (DI) to stretch airway smooth muscle. We have retested this hypothesis by comparing the responses to methacholine of 10 asthmatic and 10 control subjects. After each dose subjects breathed tidally without deep inspiration ...

journal_title：American journal of respiratory and critical care medicine

authors： Burns GP,Gibson GJ

更新日期：1998-07-01 00:00:00

abstract：RATIONALE:Corticosteroids are the antiinflammatory treatment of choice in asthma. Treatment guidelines are mainly symptom-driven but symptoms are not closely related to airway inflammation. The fraction of nitric oxide in exhaled air (FENO) is a marker of airway inflammation in asthma. OBJECTIVE:We evaluated whether t...

journal_title：American journal of respiratory and critical care medicine

authors： Pijnenburg MW,Bakker EM,Hop WC,De Jongste JC

更新日期：2005-10-01 00:00:00

abstract：RATIONALE:Data on hemoptysis of unknown origin (i.e., "cryptogenic") are scarce and the outcome of patients affected is controversial. OBJECTIVES:To describe the clinical spectrum and course of patients with cryptogenic hemoptysis, as well as pathologic findings when surgery is performed. METHODS:A cohort of 81 patie...

journal_title：American journal of respiratory and critical care medicine

authors： Savale L,Parrot A,Khalil A,Antoine M,Théodore J,Carette MF,Mayaud C,Fartoukh M

更新日期：2007-06-01 00:00:00

abstract：RATIONALE:Bronchiolitis is the most common lower respiratory infection in infants; however, it remains unclear which infants with bronchiolitis will develop severe illness. In addition, although emerging evidence indicates associations of the upper-airway microbiome with bronchiolitis severity, little is known about th...

journal_title：American journal of respiratory and critical care medicine

authors： Stewart CJ,Mansbach JM,Wong MC,Ajami NJ,Petrosino JF,Camargo CA Jr,Hasegawa K

更新日期：2017-10-01 00:00:00

abstract：:A noninvasive method to characterize inflammation and infection in the airways of nonexpectorating children with cystic fibrosis (CF) is needed for clinical and research purposes. Accordingly, we performed sputum inductions by administering 3% saline to 11 healthy control children and 20 children with CF, composed of ...

journal_title：American journal of respiratory and critical care medicine

authors： Sagel SD,Kapsner R,Osberg I,Sontag MK,Accurso FJ

更新日期：2001-10-15 00:00:00

abstract：:We addressed the hypothesis that noncholinergic parasympathetic nerves modulate airway smooth-muscle (ASM) tone in guinea pigs. The NO synthase inhibitor L-N(G)-nitro-arginine (L-NNA) and the guanylate cyclase inhibitor 1H-[1,2,4]oxadiazolo[4,3-a]quinoxalin-1-one (ODQ) potentiated cholinergic contractions and partly i...

journal_title：American journal of respiratory and critical care medicine

authors： Kesler BS,Mazzone SB,Canning BJ

更新日期：2002-02-15 00:00:00

abstract：:The lungs of newborn rats exposed to 60% oxygen for 14 days develop an injury that shares morphologic similarities to human bronchopulmonary dysplasia (BPD). Neutrophil influx into the lung, as part of an inflammatory response, may play a pivotal role in the development of BPD. A neutrophil chemokine, cytokine-induced...

journal_title：American journal of respiratory and critical care medicine

authors： Yi M,Jankov RP,Belcastro R,Humes D,Copland I,Shek S,Sweezey NB,Post M,Albertine KH,Auten RL,Tanswell AK

更新日期：2004-12-01 00:00:00

abstract：RATIONALE:Idiopathic pulmonary fibrosis (IPF) is a progressive, fatal interstitial lung disease (ILD) characterized by abnormal extracellular matrix (ECM) remodeling. We hypothesized that ECM remodeling might result in a plasma profile of proteins specific for IPF that could distinguish patients with IPF from other idi...

journal_title：American journal of respiratory and critical care medicine

authors： White ES,Xia M,Murray S,Dyal R,Flaherty CM,Flaherty KR,Moore BB,Cheng L,Doyle TJ,Villalba J,Dellaripa PF,Rosas IO,Kurtis JD,Martinez FJ

更新日期：2016-11-15 00:00:00

abstract：RATIONALE:There is a need to develop novel noninvasive imaging biomarkers that help to evaluate antiinflammatory asthma treatments. OBJECTIVES:To investigate whether the extent of the segmental lung edema measured noninvasively using turbo-inversion recovery-magnitude magnetic resonance imaging (TIRM MRI) corresponds ...

journal_title：American journal of respiratory and critical care medicine

authors： Vogel-Claussen J,Renne J,Hinrichs J,Schönfeld C,Gutberlet M,Schaumann F,Winkler C,Faulenbach C,Krug N,Wacker FK,Hohlfeld JM

更新日期：2014-03-15 00:00:00

abstract：:Bradykinin (BK) induces bronchoconstriction in asthmatic but not in normal individuals. Studies in vivo in the human suggest that BK causes cholinergic nerve activation, release of prostanoids, and local axon reflexes with release of tachykinins in the airways. To determine the mechanisms of BK-induced airway narrowin...

journal_title：American journal of respiratory and critical care medicine

authors： Hulsmann AR,Raatgeep HR,Saxena PR,Kerrebijn KF,de Jongste JC

更新日期：1994-10-01 00:00:00

abstract：RATIONALE:Mechanical ventilation induces heterogeneous lung injury by mitogen-activated protein kinase (MAPK) and nuclear factor-κB. Mechanisms regulating regional injury and protective effects of prone positioning are unclear. OBJECTIVES:To determine the key regulators of the lung regional protective effects of prone...

journal_title：American journal of respiratory and critical care medicine

authors： Park MS,He Q,Edwards MG,Sergew A,Riches DW,Albert RK,Douglas IS

更新日期：2012-07-01 00:00:00

abstract：:A nonvolitional test to assess diaphragm strength in neonates has not been previously described. Our aim was to assess the feasibility of cervical (CMS) and anterior (AMS) magnetic stimulation of the phrenic nerves in neonates. Double circular stimulating coils (90-mm) were used. For CMS, one coil was placed over the ...

journal_title：American journal of respiratory and critical care medicine

authors： Rafferty GF,Greenough A,Dimitriou G,Kavadia V,Laubscher B,Polkey MI,Harris ML,Moxham J

更新日期：2000-12-01 00:00:00