Reference values for dynamic responses to incremental cycle ergometry in males and females aged 20 to 80.

abstract：:We tested the hypothesis that hyperresponsiveness of the upper airway (UAHR) is present in patients with chronic cough of diverse etiology. We determined the frequency of bronchial hyperresponsiveness (BHR), hyperresponsiveness of the upper airway, sputum eosinophilia, pulmonary aspiration, and psychological symptoms ...

journal_title：American journal of respiratory and critical care medicine

authors： Carney IK,Gibson PG,Murree-Allen K,Saltos N,Olson LG,Hensley MJ

更新日期：1997-07-01 00:00:00

abstract：RATIONALE:Patients with chronic obstructive pulmonary disease (COPD) frequently have albuminuria (indicative of renal endothelial cell injury) associated with hypoxemia. OBJECTIVES:To determine whether (1) cigarette smoke (CS)-induced pulmonary and renal endothelial cell injury explains the association between albumin...

journal_title：American journal of respiratory and critical care medicine

authors： Polverino F,Laucho-Contreras ME,Petersen H,Bijol V,Sholl LM,Choi ME,Divo M,Pinto-Plata V,Chetta A,Tesfaigzi Y,Celli BR,Owen CA

更新日期：2017-06-01 00:00:00

abstract：:Mechanical ventilation can worsen morbidity and mortality by causing ventilator-associated lung injury, especially where adverse ventilatory strategies are employed. Adverse strategies commonly involve hyperventilation, which frequently results in hypocapnia. Although hypocapnia is associated with significant lung alt...

journal_title：American journal of respiratory and critical care medicine

authors： Laffey JG,Engelberts D,Kavanagh BP

更新日期：2000-08-01 00:00:00

abstract：:Qualitatively the mechanical, structural, and biochemical properties of airway smooth muscles resemble those of all other smooth muscle. However, one important distinguishing feature of airway smooth muscle is that the major portion of isotonic shortening is completed within the first 3 s in a muscle whose contraction...

journal_title：American journal of respiratory and critical care medicine

authors： Stephens NL,Li W,Wang Y,Ma X

更新日期：1998-11-01 00:00:00

abstract：RATIONALE:MicroRNAs (miRNAs) destabilize mRNA transcripts and inhibit protein translation. miR-145 is of particular interest in cystic fibrosis (CF) as it has a direct binding site in the 3'-untranslated region of CFTR (cystic fibrosis transmembrane conductance regulator) and is upregulated by the CF genetic modifier T...

journal_title：American journal of respiratory and critical care medicine

authors： Lutful Kabir F,Ambalavanan N,Liu G,Li P,Solomon GM,Lal CV,Mazur M,Halloran B,Szul T,Gerthoffer WT,Rowe SM,Harris WT

更新日期：2018-03-01 00:00:00

abstract：RATIONALE:Respiratory syncytial virus (RSV) is an important cause of hospitalization and death in infants worldwide. Most RSV deaths occur in developing countries, where burden and risk factors for life-threatening illness are unclear. OBJECTIVES:We defined the burden of life-threatening (O(2) saturation [O(2) sat] ≤ ...

journal_title：American journal of respiratory and critical care medicine

authors： Ferolla FM,Hijano DR,Acosta PL,Rodríguez A,Dueñas K,Sancilio A,Barboza E,Caría A,Gago GF,Almeida RE,Castro L,Pozzolo C,Martínez MV,Grimaldi LA,Rebec B,Calvo M,Henrichsen J,Nocito C,González M,Barbero G,Losada JV,

更新日期：2013-05-01 00:00:00

abstract：:The number of patients awaiting lung transplantation (LT) and waiting time for surgery is increasing. In Australia, LT rates are 4. 6/million population/yr, which despite low organ donation rates, are the highest published in the world. The Australian organ allocation system allows identification of marginal donors an...

journal_title：American journal of respiratory and critical care medicine

authors： Gabbay E,Williams TJ,Griffiths AP,Macfarlane LM,Kotsimbos TC,Esmore DS,Snell GI

更新日期：1999-07-01 00:00:00

abstract：:It is generally accepted that tuberculosis results from a single infection with a single Mycobacterium tuberculosis strain. Such infections are thought to confer protective immunity against exogenous reinfection. In this study, a novel polymerase chain reaction method was developed to specifically identify M. tubercul...

journal_title：American journal of respiratory and critical care medicine

authors： Warren RM,Victor TC,Streicher EM,Richardson M,Beyers N,Gey van Pittius NC,van Helden PD

更新日期：2004-03-01 00:00:00

abstract：:Chronic bacterial infection and neutrophilic inflammation characterize cystic fibrosis (CF) pulmonary disease. In many disorders, inflammation and angiogenesis are codependent phenomena. We previously noted excessive angiogenesis in CF tissues and elevated vascular endothelial growth factor (VEGF) in random serum samp...

journal_title：American journal of respiratory and critical care medicine

authors： McColley SA,Stellmach V,Boas SR,Jain M,Crawford SE

更新日期：2000-06-01 00:00:00

abstract：:Previous study of adrenergic control of the tracheal vasculature in rats (1) demonstrated that beta-adrenergic blockade heightened arteriolar and large venular contractile responses to norepinephrine, a nonselective alpha-adrenergic agonist. The present study was undertaken to confirm the presence of functional beta-a...

journal_title：American journal of respiratory and critical care medicine

authors： Corboz MR,Ballard ST,Inglis SK,Taylor AE

更新日期：1996-03-01 00:00:00

abstract：RATIONALE:Tidal volume and plateau pressure limitation decreases mortality in acute respiratory distress syndrome. Computed tomography demonstrated a small, normally aerated compartment on the top of poorly aerated and nonaerated compartments that may be hyperinflated by tidal inflation. OBJECTIVES:We hypothesized tha...

journal_title：American journal of respiratory and critical care medicine

authors： Terragni PP,Rosboch G,Tealdi A,Corno E,Menaldo E,Davini O,Gandini G,Herrmann P,Mascia L,Quintel M,Slutsky AS,Gattinoni L,Ranieri VM

更新日期：2007-01-15 00:00:00

abstract：:Central airway obstruction is a problem facing all medical and surgical subspecialists caring for patients with chest diseases. The incidence of this disorder appears to be rising because of the epidemic of lung cancer; however, benign causes of central airway obstruction are being seen more frequently as well. The mo...

journal_title：American journal of respiratory and critical care medicine

authors： Ernst A,Feller-Kopman D,Becker HD,Mehta AC

更新日期：2004-06-15 00:00:00

abstract：:The demand for intensivists is increasing around the world, not only to meet the needs of a growing aging population, but also to fill positions in the intensive care unit now occupied by other specialists, since there is compelling evidence that the presence of critical care practitioners improves patient outcomes. N...

journal_title：American journal of respiratory and critical care medicine

authors： Estenssoro E,Valente Barbas CS,Briva A

更新日期：2013-01-15 00:00:00

abstract：RATIONALE:Mitochondria have important roles in intracellular energy generation, modulation of apoptosis, and redox-dependent intracellular signaling. Although reactive oxygen species (ROS) participate in the regulation of intracellular signaling pathways, including activation of nuclear factor (NF)-kappaB, there is onl...

journal_title：American journal of respiratory and critical care medicine

authors： Zmijewski JW,Lorne E,Zhao X,Tsuruta Y,Sha Y,Liu G,Siegal GP,Abraham E

更新日期：2008-07-15 00:00:00

abstract：RATIONALE:The impact of asthma on chronic lung function deficits is well known. However, there has been little study of ethnic differences in these asthma-associated deficits. OBJECTIVES:To examine whether there are ethnic differences in the effects of asthma on children's lung function. METHODS:We evaluated the impa...

journal_title：American journal of respiratory and critical care medicine

authors： Zhang Y,McConnell R,Gilliland F,Berhane K

更新日期：2011-03-01 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：RATIONALE:The molecular mechanisms underlying acute exacerbations of idiopathic pulmonary fibrosis (IPF) are poorly understood. We studied the global gene expression signature of acute exacerbations of IPF. OBJECTIVES:To understand the gene expression patterns of acute exacerbations of IPF. METHODS:RNA was extracted ...

journal_title：American journal of respiratory and critical care medicine

authors： Konishi K,Gibson KF,Lindell KO,Richards TJ,Zhang Y,Dhir R,Bisceglia M,Gilbert S,Yousem SA,Song JW,Kim DS,Kaminski N

更新日期：2009-07-15 00:00:00

abstract：:This study was carried out to determine if the bronchoconstrictive effect of cigarette smoke (CS) is enhanced when airway hyperresponsiveness is induced by ovalbumin (Ova) sensitization, and if so, whether an increase in endogenously released tachykinins is involved. The bronchoconstrictive effects of an acute CS inha...

journal_title：American journal of respiratory and critical care medicine

authors： Wu ZX,Zhou D,Chen G,Lee LY

更新日期：2000-01-01 00:00:00

abstract：BACKGROUND:The relative roles of mucus plugs and emphysema in mechanisms of airflow limitation and hypoxemia in smokers with chronic obstructive pulmonary disease (COPD) are uncertain. METHODS:We analyzed computed tomography (CT) lung images and lung function in participants in the Subpopulations and Intermediate Outc...

journal_title：American journal of respiratory and critical care medicine

authors： Dunican EM,Elicker BM,Henry T,Gierada DS,Schiebler ML,Anderson W,Barjaktarevic I,Barr RG,Bleecker ER,Boucher RC,Bowler RP,Christenson SA,Comellas A,Cooper CB,Couper D,Criner GJ,Dransfield M,Doerschuk CM,Drummond MB,

更新日期：2020-11-12 00:00:00

abstract：:The purpose of this study was to describe the nature of diaphragm injury, to quantify the injury and number of macrophages at the light microscopic level, and to determine their association with airflow obstruction in humans. Partial-thickness diaphragm biopsies were obtained from 21 subjects going for thoracotomy sur...

journal_title：American journal of respiratory and critical care medicine

authors： Macgowan NA,Evans KG,Road JD,Reid WD

更新日期：2001-06-01 00:00:00

abstract：:We investigated the relationship between the extent of pulmonary emphysema, assessed by quantitative high-resolution computed tomography (HRCT), and lung mechanics in 24 patients with chronic obstructive pulmonary disease (COPD). The extent of emphysema was quantified as the relative lung area with CT numbers < -950 H...

journal_title：American journal of respiratory and critical care medicine

authors： Baldi S,Miniati M,Bellina CR,Battolla L,Catapano G,Begliomini E,Giustini D,Giuntini C

更新日期：2001-08-15 00:00:00

abstract：:Female Fisher 344 rats (n = 25) were inoculated intrapleurally with a single 20-mg dose of (JM-100) fibrous glass. The mean length (2.2 microns) and width (0.15 microns) of the fibrous glass particles was within respirable range. Following inoculation, the rats were killed at timed intervals ranging from 2 to 430 d fr...

journal_title：American journal of respiratory and critical care medicine

authors： Fraire AE,Greenberg SD,Spjut HJ,Roggli VL,Dodson RF,Cartwright J,Williams G,Baker S

更新日期：1994-08-01 00:00:00

abstract：:Quality of life has been found to be impaired both in patients with asthma and in patients with allergic rhinitis, but the relative burden of these diseases has not been investigated. We analyzed answers to the SF-36 questionnaire from 850 subjects recruited in two French centers participating in the European Communit...

journal_title：American journal of respiratory and critical care medicine

authors： Leynaert B,Neukirch C,Liard R,Bousquet J,Neukirch F

更新日期：2000-10-01 00:00:00

abstract：RATIONALE:Platelets may interact with the immune system in tuberculosis (TB) to regulate human inflammatory responses that lead to morbidity and spread of infection. OBJECTIVES:To identify a functional role of platelets in the innate inflammatory and matrix-degrading response in TB. METHODS:Markers of platelet activa...

journal_title：American journal of respiratory and critical care medicine

authors： Fox KA,Kirwan DE,Whittington AM,Krishnan N,Robertson BD,Gilman RH,López JW,Singh S,Porter JC,Friedland JS

更新日期：2018-07-15 00:00:00

abstract：RATIONALE:The majority of previous studies investigating asthma genetics have focused on cohorts with stable disease and have not defined mechanisms important during acute asthma. CD14 and CC16 each play a key role in biologically important inflammatory pathways and the gene of each has a functional promoter-region pol...

journal_title：American journal of respiratory and critical care medicine

authors： Martin AC,Laing IA,Khoo SK,Zhang G,Rueter K,Teoh L,Taheri S,Hayden CM,Geelhoed GC,Goldblatt J,LeSouëf PN

更新日期：2006-03-15 00:00:00

abstract：:Hypersensitivity pneumonitis (HP) develops after inhalation of many different environmental antigens, causing variable clinical symptoms that often make diagnosis uncertain. The prevalence of HP is higher than recognized, especially its chronic form. Mechanisms of disease are still incompletely known. Strategies to im...

journal_title：American journal of respiratory and critical care medicine

authors： Fink JN,Ortega HG,Reynolds HY,Cormier YF,Fan LL,Franks TJ,Kreiss K,Kunkel S,Lynch D,Quirce S,Rose C,Schleimer RP,Schuyler MR,Selman M,Trout D,Yoshizawa Y

更新日期：2005-04-01 00:00:00

abstract：:During dynamic hyperinflation, the ventilatory pump is facing increased demand because it must overcome the intrinsic positive end-expiratory pressure (PEEPi) and decreased capacity since it must operate at a dynamically increased end-expiratory lung volume (EELV). The aim of this study was to evaluate the relative pr...

journal_title：American journal of respiratory and critical care medicine

authors： Yan S,Kayser B

更新日期：1997-08-01 00:00:00

abstract：:Cell death is intertwined with life in development, homeostasis, pathology, and aging. Until recently, apoptosis was the best known form of programmed cell death, whereas necrosis was for a long time considered accidental owing to physicochemical injury. However, identification of crucial signaling and execution molec...

journal_title：American journal of respiratory and critical care medicine

authors： Moreno-Gonzalez G,Vandenabeele P,Krysko DV

更新日期：2016-08-15 00:00:00

abstract：RATIONALE:Sublingual allergen-specific immunotherapy is gaining popularity for treatment of allergic diseases, but underlying immunological mechanisms are unresolved. OBJECTIVES:To perform detailed immunological investigation of sublingual house dust mite (HDM) immunotherapy. METHODS:A 12-month randomized double-blin...

journal_title：American journal of respiratory and critical care medicine

authors： O'Hehir RE,Gardner LM,de Leon MP,Hales BJ,Biondo M,Douglass JA,Rolland JM,Sandrini A

更新日期：2009-11-15 00:00:00

abstract：RATIONALE:T-bet (TBX21 or T-box 21) is a critical regulator of T-helper 1 lineage commitment and IFN-gamma production. Knockout mice lacking T-bet develop airway hyperresponsiveness (AHR) to methacholine, peribronchial eosinophilic and lymphocytic inflammation, and increased type III collagen deposition below the bronc...

journal_title：American journal of respiratory and critical care medicine

authors： Raby BA,Hwang ES,Van Steen K,Tantisira K,Peng S,Litonjua A,Lazarus R,Giallourakis C,Rioux JD,Sparrow D,Silverman EK,Glimcher LH,Weiss ST

更新日期：2006-01-01 00:00:00