Use of flow-volume curves in detecting secretions in ventilator-dependent patients.

abstract：RATIONALE:There is consensus on the need to address social determinants of tuberculosis (TB) to achieve TB control, but evidence based on interventions is lacking. OBJECTIVES:We reanalyzed data from the sociomedical experiment performed at the Papworth Village Settlement in England, where the impact of stable employme...

journal_title：American journal of respiratory and critical care medicine

authors： Bhargava A,Pai M,Bhargava M,Marais BJ,Menzies D

更新日期：2012-09-01 00:00:00

abstract：:The cost effectiveness of asthma care is the first topic of the National Asthma Education and Prevention Program Task Force Report on the Cost Effectiveness, Quality of Care, and Financing of Asthma Care. This working group characterized the role of health economics in understanding optimal asthma management strategie...

journal_title：American journal of respiratory and critical care medicine

authors： Sullivan S,Elixhauser A,Buist AS,Luce BR,Eisenberg J,Weiss KB

更新日期：1996-09-01 00:00:00

abstract：:The aim of this prospective study was to detect subjects in the general population with objective signs of chronic obstructive pulmonary disease (COPD) or asthma at an early stage. This was done by means of a two-stage protocol involving screening and a subsequent 2-yr monitoring of all subjects with positive results ...

journal_title：American journal of respiratory and critical care medicine

authors： van den Boom G,van Schayck CP,van Möllen MP,Tirimanna PR,den Otter JJ,van Grunsven PM,Buitendijk MJ,van Herwaarden CL,van Weel C

更新日期：1998-12-01 00:00:00

abstract：:Two patients receiving low dose methotrexate, one with rheumatoid arthritis and the other with pityriasis rubra pilaris, developed disseminated histoplasmosis and Mycobacterium avium intracellulare pneumonia, respectively. Twenty-three cases of opportunistic infection in patients receiving low dose methotrexate have b...

journal_title：American journal of respiratory and critical care medicine

authors： LeMense GP,Sahn SA

更新日期：1994-07-01 00:00:00

abstract：:Phl p5 is a major allergen of timothy grass and causes rhinitis and bronchial asthma in nearly all patients allergic to grass pollen. The biochemical processing of this molecule by the nasal mucosa at its first encounter and possible changes of its biologic activity are unknown. Two isoforms of the allergen were expre...

journal_title：American journal of respiratory and critical care medicine

authors： Bufe A,Gehlhar K,Schramm G,Schlaak M,Becker WM

更新日期：1998-04-01 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：:Rationale: Long noncoding RNAs (lncRNAs) are emerging as important regulators of diverse biological functions. Their role in pulmonary arterial hypertension (PAH) remains to be explored.Objectives: To elucidate the role of TYKRIL (tyrosine kinase receptor-inducing lncRNA) as a regulator of p53/ PDGFRβ (platelet-derive...

journal_title：American journal of respiratory and critical care medicine

authors： Zehendner CM,Valasarajan C,Werner A,Boeckel JN,Bischoff FC,John D,Weirick T,Glaser SF,Rossbach O,Jaé N,Demolli S,Khassafi F,Yuan K,de Jesus Perez VA,Michalik KM,Chen W,Seeger W,Guenther A,Wasnick RM,Uchida S,Zeihe

更新日期：2020-11-15 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

abstract：:The reaction of nitric oxide (NO) and superoxide anions (O(2)(-)) in the airway results in the formation of peroxynitrite, a highly reactive oxidant species. Peroxynitrite reacts with tyrosine residues in proteins to form the stable product nitrotyrosine. We investigated whether nitrotyrosine in exhaled breath condens...

journal_title：American journal of respiratory and critical care medicine

authors： Hanazawa T,Kharitonov SA,Barnes PJ

更新日期：2000-10-01 00:00:00

abstract：:Hepatocyte growth factor (HGF) has recently been noted to function as a pulmotrophic factor for lung regeneration. The present study was conducted to determine if HGF would be induced in a rat model of pulmonary ischemia-reperfusion (IR) injury, which was established by occlusion of the left lung, and to examine the s...

journal_title：American journal of respiratory and critical care medicine

authors： Yamada T,Hisanaga M,Nakajima Y,Mizuno S,Matsumoto K,Nakamura T,Nakano H

更新日期：2000-08-01 00:00:00

abstract：RATIONALE:Allergic bronchopulmonary aspergillosis (ABPA) is characterized by a Th2 immune response. Mouse models suggest a critical role for the Th2 chemokines thymus- and activation-regulated chemokine (TARC) and macrophage-derived chemokine (MDC) in ABPA. OBJECTIVES:To determine whether serum levels of TARC and MDC ...

journal_title：American journal of respiratory and critical care medicine

authors： Hartl D,Latzin P,Zissel G,Krane M,Krauss-Etschmann S,Griese M

更新日期：2006-06-15 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：:We tested the hypothesis that in advanced pulmonary fibrosis, edema is redistributed away from the relatively noncompliant interstitium and predominantly floods alveoli. Severe left lung fibrosis was produced in six dogs with radiation and intratracheal bleomycin and, 24 mo later, hydrostatic edema was induced by infu...

journal_title：American journal of respiratory and critical care medicine

authors： Zwikler MP,Iancu D,Michel RP

更新日期：1994-05-01 00:00:00

abstract：:Alveolar epithelial type II cells (AET2) respond with exocytosis of surfactant containing lamellar bodies to stimulation with mechanical stretch and secretagogues, a process that is fundamental for maintaining alveolar stability and lung gas exchange. In the present study in cultured rat AET2, we employed botulinum C2...

journal_title：American journal of respiratory and critical care medicine

authors： Rose F,Kürth-Landwehr C,Sibelius U,Reuner KH,Aktories K,Seeger W,Grimminger F

更新日期：1999-01-01 00:00:00

abstract：:In asthma, the acute increment of airway responsiveness caused by exposure to allergen is associated with influx of eosinophils into the airways. The relationship between chronic airway hyperresponsiveness and airway inflammation is unclear, as they do not change consistently following long-term anti-inflammatory trea...

journal_title：American journal of respiratory and critical care medicine

authors： Crimi E,Spanevello A,Neri M,Ind PW,Rossi GA,Brusasco V

更新日期：1998-01-01 00:00:00

abstract：RATIONALE:Dysregulation of cellular metabolism has been shown to participate in several pathologic processes. However, the role of metabolic reprogramming is not well appreciated in the pathogenesis of organ fibrosis. OBJECTIVES:To determine if glycolytic reprogramming participates in the pathogenesis of lung fibrosis...

journal_title：American journal of respiratory and critical care medicine

authors： Xie N,Tan Z,Banerjee S,Cui H,Ge J,Liu RM,Bernard K,Thannickal VJ,Liu G

更新日期：2015-12-15 00:00:00

abstract：:Decision analysis was used to compare three alternative strategies for a 6-mo course of treatment for tuberculosis: directly observed drug therapy (DOT), self-administered fixed-dose combination drug therapy, and self-administered conventional individual drug therapy. Estimates of effectiveness were obtained from the ...

journal_title：American journal of respiratory and critical care medicine

authors： Moore RD,Chaulk CP,Griffiths R,Cavalcante S,Chaisson RE

更新日期：1996-10-01 00:00:00

abstract：:Effects of nitric oxide (NO) and aerosolized terbutaline inhalation on ventilation-perfusion (VA/Q) distributions were determined during methacholine-induced bronchoconstriction in nine mechanically ventilated pigs. Animals inhaled, in random order, zero, 20, and 80 parts per million (ppm) of NO or aerosolized terbuta...

journal_title：American journal of respiratory and critical care medicine

authors： Putensen C,Räsänen J,López FA

更新日期：1995-01-01 00:00:00

abstract：RATIONALE:Chronic hypoxia induces pulmonary vascular remodeling, pulmonary hypertension, and right ventricular hypertrophy. At present, little is known about mechanisms driving these responses. Hypoxia-inducible factor-1α (HIF-1α) is a master regulator of transcription in hypoxic cells, up-regulating genes involved in ...

journal_title：American journal of respiratory and critical care medicine

authors： Ball MK,Waypa GB,Mungai PT,Nielsen JM,Czech L,Dudley VJ,Beussink L,Dettman RW,Berkelhamer SK,Steinhorn RH,Shah SJ,Schumacker PT

更新日期：2014-02-01 00:00:00

abstract：:The purpose of the study was to examine risk factors for nosocomial pneumonia in the surgical and medical/respiratory intensive care unit (ICU) populations. In a public teaching hospital, all cases of nosocomial pneumonia in the surgical and medical/respiratory ICUs (n = 20, respectively) were identified by prospectiv...

journal_title：American journal of respiratory and critical care medicine

authors： Cunnion KM,Weber DJ,Broadhead WE,Hanson LC,Pieper CF,Rutala WA

更新日期：1996-01-01 00:00:00

abstract：:Heart failure is associated with Cheyne-Stokes breathing, which fragments patients' sleep. Correction of respiratory disturbance may reduce sleep fragmentation and excessive daytime sleepiness. This randomized prospective parallel trial assesses whether nocturnal-assist servoventilation improves daytime sleepiness com...

journal_title：American journal of respiratory and critical care medicine

authors： Pepperell JC,Maskell NA,Jones DR,Langford-Wiley BA,Crosthwaite N,Stradling JR,Davies RJ

更新日期：2003-11-01 00:00:00

abstract：RATIONALE:Inhaled corticosteroids are commonly prescribed to patients with chronic obstructive pulmonary disease (COPD). OBJECTIVES:To examine whether these medications might be associated with an excess risk of pneumonia. METHODS:We conducted a nested case-control study within a cohort of patients with COPD from Que...

journal_title：American journal of respiratory and critical care medicine

authors： Ernst P,Gonzalez AV,Brassard P,Suissa S

更新日期：2007-07-15 00:00:00

abstract：RATIONALE:Transthoracic Doppler echocardiography is recommended for screening for the presence of pulmonary hypertension (PH). However, some recent studies have suggested that Doppler echocardiographic pulmonary artery pressure estimates may frequently be inaccurate. OBJECTIVES:Evaluate the accuracy of Doppler echocar...

journal_title：American journal of respiratory and critical care medicine

authors： Fisher MR,Forfia PR,Chamera E,Housten-Harris T,Champion HC,Girgis RE,Corretti MC,Hassoun PM

更新日期：2009-04-01 00:00:00

abstract：:Bronchial dehiscence after lung transplantation is difficult to treat and associated with high mortality. We describe our experience using self-expanding metallic stents to treat post-lung transplant bronchial dehiscence. From January 1995 to June 2004, 189 single and 118 double lung transplants were performed in our ...

journal_title：American journal of respiratory and critical care medicine

authors： Mughal MM,Gildea TR,Murthy S,Pettersson G,DeCamp M,Mehta AC

更新日期：2005-09-15 00:00:00

abstract：:Allergen-induced bronchoconstriction involves mast cell activation. Tryptase is a mast cell serine protease that is released during this process, but little is known about the action of tryptase in the airway. The purpose of this study was to determine: (1) if aerosolized tryptase causes bronchoconstriction, and (2) t...

journal_title：American journal of respiratory and critical care medicine

authors： Molinari JF,Scuri M,Moore WR,Clark J,Tanaka R,Abraham WM

更新日期：1996-09-01 00:00:00

abstract：:Silicosis is characterized by fibrosing nodular lesions that may eventually develop into progressive massive fibrosis (PMF). Cytokines (interleukin-1beta [IL-1beta], tumor necrosis factor-alpha [TNF-alpha] and growth factors insulin-like growth factor-1 [IGF-1] platelet-derived growth factor [PDGF]) have been implicat...

journal_title：American journal of respiratory and critical care medicine

authors： Jagirdar J,Begin R,Dufresne A,Goswami S,Lee TC,Rom WN

更新日期：1996-10-01 00:00:00

abstract：:To determine if gastric intramucosal pH changes during weaning from mechanical ventilation are related to gastric mucosal blood flow modifications, we studied 16 ventilator-supported patients with chronic obstructive pulmonary disease (COPD) who tolerated a 2-h trial of spontaneous breathing with pressure support vent...

journal_title：American journal of respiratory and critical care medicine

authors： Bocquillon N,Mathieu D,Neviere R,Lefebvre N,Marechal X,Wattel F

更新日期：1999-11-01 00:00:00

abstract：:The potential role of nitric oxide synthase-2 (NOS2) in acute lung injury (ALI) has gained increasing attention. This study evaluates the effects of hypoxia, an important feature of ALI, on NOS2 expression in a rat model of ALI caused by exposure to hypoxia and LPS. Exposure to hypoxia alone had no effect on the expre...

journal_title：American journal of respiratory and critical care medicine

authors： Agorreta J,Garayoa M,Montuenga LM,Zulueta JJ

更新日期：2003-08-01 00:00:00

abstract：:In many countries the majority of patients with asthma are now treated with inhaled beta 2-agonists as required and regular inhaled steroids. Compliance with asthma medication is poor, particularly for inhaled steroids, which do not give immediate relief of symptoms. An inhaler combining a beta 2-agonist and a steroid...

journal_title：American journal of respiratory and critical care medicine

authors： Barnes PJ,O'Connor BJ

更新日期：1995-04-01 00:00:00

abstract：:Historically, infections caused by Mycobacterium tuberculosis have been treated simultaneously with isoniazid and rifampin. As a consequence of this combined therapy, strains resistant only to rifampin were rarely recovered. However, recently there has been an increasing number of reports describing HIV-positive patie...

journal_title：American journal of respiratory and critical care medicine

authors： Lutfey M,Della-Latta P,Kapur V,Palumbo LA,Gurner D,Stotzky G,Brudney K,Dobkin J,Moss A,Musser JM,Kreiswirth BN

更新日期：1996-02-01 00:00:00