Conductive and acinar lung-zone contributions to ventilation inhomogeneity in COPD.

abstract：RATIONALE:The effects of prenatal cigarette smoke (CS) exposure and hypoxemia on cardiorespiratory control have been investigated in full-term infants. However, few data are available in preterm infants, who form a particularly vulnerable population, with developmentally immature cardiorespiratory control. OBJECTIVES:...

journal_title：American journal of respiratory and critical care medicine

authors： Schneider J,Mitchell I,Singhal N,Kirk V,Hasan SU

更新日期：2008-09-01 00:00:00

abstract：RATIONALE:The American Thoracic Society/European Respiratory Society International Consensus Classification panel identified the clinical entity idiopathic nonspecific interstitial pneumonia (NSIP) as a provisional diagnosis and recommended further study. OBJECTIVES:We hypothesized that idiopathic NSIP is an autoimmun...

journal_title：American journal of respiratory and critical care medicine

authors： Kinder BW,Collard HR,Koth L,Daikh DI,Wolters PJ,Elicker B,Jones KD,King TE Jr

更新日期：2007-10-01 00:00:00

abstract：RATIONALE:Exhaled nitric oxide (NO) is a well-known marker of established airway inflammation in asthma. Its role in the disease process before the onset of respiratory symptoms remains unclear. OBJECTIVES:To examine whether elevated NO in newborns with clinically naive airways is associated with subsequent respirator...

journal_title：American journal of respiratory and critical care medicine

authors： Latzin P,Kuehni CE,Baldwin DN,Roiha HL,Casaulta C,Frey U

更新日期：2006-12-15 00:00:00

abstract：RATIONALE:Neutrophils are key players in chronic obstructive pulmonary disease (COPD), and increased numbers of neutrophils are present in sputum and lung tissue of patients with COPD. Interestingly, immunoglobulin free light chains (IgLC) are able to prolong the life of neutrophils; therefore, IgLC may contribute to t...

journal_title：American journal of respiratory and critical care medicine

authors： Braber S,Thio M,Blokhuis BR,Henricks PA,Koelink PJ,Groot Kormelink T,Bezemer GF,Kerstjens HA,Postma DS,Garssen J,Kraneveld AD,Redegeld FA,Folkerts G

更新日期：2012-04-15 00:00:00

abstract：:Luteolin is a flavonoid that has been shown to reduce proinflammatory molecule expression in vitro. In the present study, we have tested the ability of luteolin to inhibit lipopolysaccharide (LPS)- induced lethal toxicity and proinflammatory molecule expression in vivo. Mice receiving LPS (Salmonella enteriditis LPS, ...

journal_title：American journal of respiratory and critical care medicine

authors： Kotanidou A,Xagorari A,Bagli E,Kitsanta P,Fotsis T,Papapetropoulos A,Roussos C

更新日期：2002-03-15 00:00:00

abstract：RATIONALE:As of April 2015, participants in the Danish Lung Cancer Screening Trial had been followed for at least 5 years since their last screening. OBJECTIVES:Mortality, causes of death, and lung cancer findings are reported to explore the effect of computed tomography (CT) screening. METHODS:A total of 4,104 parti...

journal_title：American journal of respiratory and critical care medicine

authors： Wille MM,Dirksen A,Ashraf H,Saghir Z,Bach KS,Brodersen J,Clementsen PF,Hansen H,Larsen KR,Mortensen J,Rasmussen JF,Seersholm N,Skov BG,Thomsen LH,Tønnesen P,Pedersen JH

更新日期：2016-03-01 00:00:00

abstract：RATIONALE:Asthma is a chronic inflammatory airway disease that affects more than 300 million individuals worldwide. Asthma is caused by interaction of genetic and environmental factors. Bronchial hyperresponsiveness (BHR) is a hallmark of asthma and results from increased sensitivity of the airways to physical or chemi...

journal_title：American journal of respiratory and critical care medicine

authors： Koppelman GH,Meyers DA,Howard TD,Zheng SL,Hawkins GA,Ampleford EJ,Xu J,Koning H,Bruinenberg M,Nolte IM,van Diemen CC,Boezen HM,Timens W,Whittaker PA,Stine OC,Barton SJ,Holloway JW,Holgate ST,Graves PE,Martinez FD,

更新日期：2009-11-15 00:00:00

abstract：:We enrolled nine allergic subjects in a double blind, placebo-controlled study to examine the effect of premedication with 0.6 mg of atropine on nasal antigen challenge. The challenge consisted of unilaterally stimulating the nasal septum with diluent followed by three increasing doses of antigen and recording respons...

journal_title：American journal of respiratory and critical care medicine

authors： Baroody FM,Ford S,Lichtenstein LM,Kagey-Sobotka A,Naclerio RM

更新日期：1994-06-01 00:00:00

abstract：:We have tested two surfactant preparations with the same phospholipid (PL) composition, containing recombinant surfactant protein-C (rSP-C surfactant) and without SP-C (plain PL surfactant). The effects of rSP-C surfactant were compared with the bovine-derived surfactant preparations Alveofact, bLES, and Infasurf in a...

journal_title：American journal of respiratory and critical care medicine

authors： Häfner D,Germann PG,Hauschke D

更新日期：1998-07-01 00:00:00

abstract：:In pleural infection, medical treatment failure (chest-tube drainage and antibiotics) requires surgery and increases mortality. It would be helpful to predict which patients will fail this approach. We examined clinical predictors in 85 consecutive patients with pleural infection receiving chest drainage and intrapleu...

journal_title：American journal of respiratory and critical care medicine

authors： Davies CW,Kearney SE,Gleeson FV,Davies RJ

更新日期：1999-11-01 00:00:00

abstract：:The inflammatory events in the airways at the time of acute respiratory failure from acute severe asthma are poorly understood. To determine the patterns of cellular inflammation in the airways in acute severe asthma, we analyzed tracheal aspirates collected within 12 h of intubation from patients intubated emergently...

journal_title：American journal of respiratory and critical care medicine

authors： Ordoñez CL,Shaughnessy TE,Matthay MA,Fahy JV

更新日期：2000-04-01 00:00:00

abstract：:Although hematopoietic stem cell transplantation (HSCT) can be curative in patients with certain malignancies, survival is poor if the recipient becomes critically ill. This prospective study examined the outcomes of 115 consecutive HSCT patients admitted to the medical intensive care unit (MICU) of a tertiary cancer ...

journal_title：American journal of respiratory and critical care medicine

authors： Price KJ,Thall PF,Kish SK,Shannon VR,Andersson BS

更新日期：1998-09-01 00:00:00

abstract：:The nasal mucosal is the first site of contact with inhaled antigens. However, the nature of local immune responses and the role of nasal-associated lymphoid tissue (NALT) in those responses have rarely been studied. To characterize the cells involved in mucosally derived immune responses, NALT and Peyer's patch (PP) ...

journal_title：American journal of respiratory and critical care medicine

authors： Heritage PL,Underdown BJ,Arsenault AL,Snider DP,McDermott MR

更新日期：1997-10-01 00:00:00

abstract：:Reexpansion of collapsed lung creates intrapulmonary shear forces. In an earlier study we showed that application of a negative end-expiratory airway pressure (NEEP) to normal rabbit lungs in vivo produced tidal collapse and reexpansion with transient changes in compliance and gas exchange but no histologic damage. In...

journal_title：American journal of respiratory and critical care medicine

authors： Taskar V,John J,Evander E,Robertson B,Jonson B

更新日期：1997-01-01 00:00:00

abstract：:Rapid and selective recruitment of neutrophils into the airspace in response to LPS facilitates the clearance of bacterial pathogens. However, neutrophil infiltration can also participate in the development and progression of environmental airway disease. Previous data have revealed that Toll-like receptor 4 (tlr4) is...

journal_title：American journal of respiratory and critical care medicine

authors： Hollingsworth JW,Chen BJ,Brass DM,Berman K,Gunn MD,Cook DN,Schwartz DA

更新日期：2005-04-15 00:00:00

abstract：:Rationale: Bronchial thermoplasty (BT) is a bronchoscopic treatment for severe asthma targeting airway smooth muscle (ASM). Observational studies have shown ASM mass reduction after BT, but appropriate control groups are lacking. Furthermore, as treatment response is variable, identifying optimal candidates for BT tre...

journal_title：American journal of respiratory and critical care medicine

authors： Goorsenberg AWM,d'Hooghe JNS,Srikanthan K,Ten Hacken NHT,Weersink EJM,Roelofs JJTH,Kemp SV,Bel EH,Shah PL,Annema JT,Bonta PI,TASMA research group.

更新日期：2021-01-15 00:00:00

abstract：:On the basis of studies with animal models, the gene for the low-affinity receptor for immunoglobulin E (IgE) (FCER2, CD23) has been implicated as a candidate for IgE-mediated allergic diseases and bronchial hyperreactivity, or related traits. Given evidence for genetic complexity in atopic disorders, we sought to stu...

journal_title：American journal of respiratory and critical care medicine

authors： Laitinen T,Ollikainen V,Lázaro C,Kauppi P,de Cid R,Antó JM,Estivill X,Lokki H,Mannila H,Laitinen LA,Kere J

更新日期：2000-03-01 00:00:00

abstract：:Morphologic changes in pulmonary muscular arteries may modify the mechanisms that regulate the pulmonary vascular tone and contribute to maintaining an adequate ventilation-perfusion (VA/Q) matching in patients with chronic obstructive pulmonary disease (COPD). To analyze the relationships between the abnormalities of...

journal_title：American journal of respiratory and critical care medicine

authors： Barberà JA,Riverola A,Roca J,Ramirez J,Wagner PD,Ros D,Wiggs BR,Rodriguez-Roisin R

更新日期：1994-02-01 00:00:00

abstract：:A number of new observations have added to our understanding of mast cell biology and the relevance of this cell to the genesis of asthma. The purpose of this review has been to highlight this new information and to refer the reader to extensive reviews where previously documented and well-known data are available. Of...

journal_title：American journal of respiratory and critical care medicine

authors： Wasserman SI

更新日期：1994-11-01 00:00:00

abstract：:This prospective and controlled pilot study evaluates the long-term effects of nocturnal oxygen therapy (NOT) on exercise endurance, hematology variables, quality of life, and survival of 23 adult patients (mean age, 32 +/- 6 yr) with post-tricuspid congenital heart defects (ventricular septal defect = 10; patent duct...

journal_title：American journal of respiratory and critical care medicine

authors： Sandoval J,Aguirre JS,Pulido T,Martinez-Guerra ML,Santos E,Alvarado P,Rosas M,Bautista E

更新日期：2001-11-01 00:00:00

abstract：RATIONALE:Air pollution is a known asthma trigger and has been associated with short-term asthma symptoms, airway inflammation, decreased lung function, and reduced response to asthma rescue medications. OBJECTIVES:To assess a causal relationship between air pollution and childhood asthma using data that address tempo...

journal_title：American journal of respiratory and critical care medicine

authors： Nishimura KK,Galanter JM,Roth LA,Oh SS,Thakur N,Nguyen EA,Thyne S,Farber HJ,Serebrisky D,Kumar R,Brigino-Buenaventura E,Davis A,LeNoir MA,Meade K,Rodriguez-Cintron W,Avila PC,Borrell LN,Bibbins-Domingo K,Rodriguez-San

更新日期：2013-08-01 00:00:00

abstract：RATIONALE:Most patients with pulmonary arterial hypertension (PAH) die from right heart failure. Beta-adrenergic receptor blockade reduces mortality by about 30% in patients with left-sided systolic heart failure, but is not used in PAH. OBJECTIVES:To assess the effect of the adrenergic receptor blocker carvedilol on ...

journal_title：American journal of respiratory and critical care medicine

authors： Bogaard HJ,Natarajan R,Mizuno S,Abbate A,Chang PJ,Chau VQ,Hoke NN,Kraskauskas D,Kasper M,Salloum FN,Voelkel NF

更新日期：2010-09-01 00:00:00

abstract：RATIONALE:Pure oxygen causes more oxidative stress than room air in resuscitation of asphyctic neonates, and consequently could be associated with increased tissue damage. OBJECTIVES:To compare damage caused to heart and kidneys on reoxygenation in severely asphyctic term neonates resuscitated with room air (RAR) or 1...

journal_title：American journal of respiratory and critical care medicine

authors： Vento M,Sastre J,Asensi MA,Viña J

更新日期：2005-12-01 00:00:00

abstract：:Despite the increasing attention to the relationship between asthma and work exposures, occupational asthma remains underrecognized and its population burden underestimated. This may be due, in part, to the fact that traditional approaches to studying asthma in populations cannot adequately take into account the healt...

journal_title：American journal of respiratory and critical care medicine

authors： Le Moual N,Kauffmann F,Eisen EA,Kennedy SM

更新日期：2008-01-01 00:00:00

abstract：RATIONALE:Serum chitinases may be novel biomarkers of airway inflammation and remodeling, but less is known about factors regulating their levels. OBJECTIVES:To examine serum chitotriosidase activity and YKL-40 levels in patients with asthma and chronic obstructive pulmonary disease (COPD) and evaluate clinically rele...

journal_title：American journal of respiratory and critical care medicine

authors： James AJ,Reinius LE,Verhoek M,Gomes A,Kupczyk M,Hammar U,Ono J,Ohta S,Izuhara K,Bel E,Kere J,Söderhäll C,Dahlén B,Boot RG,Dahlén SE,BIOAIR (Longitudinal Assessment of Clinical Course and Biomarkers in Severe Chronic Airway

更新日期：2016-01-15 00:00:00

abstract：:Most of the studies linking chronic obstructive pulmonary disease (COPD) with oxidative stress are in vitro, using invasive techniques, or measuring systemic oxidative stress. The aim of this study was to quantify oxidative stress in the lungs in patients with COPD and in healthy smokers, as reflected by 8-isoprostane...

journal_title：American journal of respiratory and critical care medicine

authors： Montuschi P,Collins JV,Ciabattoni G,Lazzeri N,Corradi M,Kharitonov SA,Barnes PJ

更新日期：2000-09-01 00:00:00

abstract：RATIONALE:In San Francisco, 70% of the tuberculosis cases occur among foreign-born persons, mainly from China, the Philippines, and Mexico. We postulate that there are differences in the characteristics and risk factors for tuberculosis among these populations. OBJECTIVES:To determine the clinical, epidemiological and...

journal_title：American journal of respiratory and critical care medicine

authors： Suwanpimolkul G,Jarlsberg LG,Grinsdale JA,Osmond D,Kawamura LM,Hopewell PC,Kato-Maeda M

更新日期：2013-05-01 00:00:00

abstract：RATIONALE:Diesel motor exhaust is classified by the International Agency for Research on Cancer as probably carcinogenic to humans. The epidemiologic evidence is evaluated as limited because most studies lack adequate control for potential confounders and only a few studies have reported on exposure-response relationsh...

journal_title：American journal of respiratory and critical care medicine

authors： Olsson AC,Gustavsson P,Kromhout H,Peters S,Vermeulen R,Brüske I,Pesch B,Siemiatycki J,Pintos J,Brüning T,Cassidy A,Wichmann HE,Consonni D,Landi MT,Caporaso N,Plato N,Merletti F,Mirabelli D,Richiardi L,Jöckel KH,Ah

更新日期：2011-04-01 00:00:00

abstract：:Protein tyrosine kinase signaling cascade plays a pivotal role in the activation of inflammatory cells. The purpose of this study was to investigate the effects of genistein, a broad-spectrum protein tyrosine kinase inhibitor, on airway inflammation in an in vivo guinea pig model of asthma. Guinea pigs were actively s...

journal_title：American journal of respiratory and critical care medicine

authors： Duan W,Kuo IC,Selvarajan S,Chua KY,Bay BH,Wong WS

更新日期：2003-01-15 00:00:00

abstract：:We have investigated the influence of the cytokine tumor necrosis factor alpha (TNF alpha), an important mediator of sepsis, on in vitro hamster diaphragm contractility. Costal diaphragm strips were excised and mounted on an experimental apparatus consisting of a force transducer and servomotor. Preparations were rand...

journal_title：American journal of respiratory and critical care medicine

authors： Wilcox P,Milliken C,Bressler B

更新日期：1996-05-01 00:00:00