Exhaled 8-isoprostane as an in vivo biomarker of lung oxidative stress in patients with COPD and healthy smokers.

abstract：:To study whether the individual inflammatory response to ozone was reproducible, dose-dependent, and time-dependent, we performed two exposures to 250 ppb ozone, one to 125 ppb and one to filtered air, each for 3 h of intermittent exercise and separated by at least 1 wk. Twenty-one healthy and 15 asthmatic subjects pa...

journal_title：American journal of respiratory and critical care medicine

authors： Holz O,Jörres RA,Timm P,Mücke M,Richter K,Koschyk S,Magnussen H

更新日期：1999-03-01 00:00:00

abstract：RATIONALE:Hyponatremia is associated with decompensated heart failure and poor prognosis in patients with left ventricular systolic dysfunction. OBJECTIVES:We sought to determine if hyponatremia is associated with right heart failure and worse prognosis in patients with pulmonary arterial hypertension (PAH). METHODS:...

journal_title：American journal of respiratory and critical care medicine

authors： Forfia PR,Mathai SC,Fisher MR,Housten-Harris T,Hemnes AR,Champion HC,Girgis RE,Hassoun PM

更新日期：2008-06-15 00:00:00

abstract：:Dobutamine has been proposed as a means of disclosing a pathologic oxygen supply (DO2) dependency in critically ill patients. Like other catecholamines, however, dobutamine might increase cellular metabolism, so that oxygen consumption (VO2) would increase regardless of the presence or absence of a supply dependency. ...

journal_title：American journal of respiratory and critical care medicine

authors： De Backer D,Moraine JJ,Berre J,Kahn RJ,Vincent JL

更新日期：1994-07-01 00:00:00

abstract：BACKGROUND:Current classification of pulmonary hypertension (PH) is based on a relatively simple combination of patient characteristics and hemodynamics. This limits customization of treatment, and lacks the clarity of a more granular identification based on individual patient phenotypes. Rapid advances in mechanistic ...

journal_title：American journal of respiratory and critical care medicine

authors： Dweik RA,Rounds S,Erzurum SC,Archer S,Fagan K,Hassoun PM,Hill NS,Humbert M,Kawut SM,Krowka M,Michelakis E,Morrell NW,Stenmark K,Tuder RM,Newman J,ATS Committee on Pulmonary Hypertension Phenotypes.

更新日期：2014-02-01 00:00:00

abstract：:Sarcoidosis is a systemic granulomatous disease of unknown etiology that primarily affects the lungs. The etiology remains unclear; however, environmental, genetic, ethnic, and familial factors probably modify expression of the disease. As an example, African Americans are at greater risk of mortality and morbidity th...

journal_title：American journal of respiratory and critical care medicine

authors： Martin WJ 2nd,Iannuzzi MC,Gail DB,Peavy HH

更新日期：2004-09-01 00:00:00

abstract：:Human neutrophil elastase (HNE), an enzyme secreted by activated neutrophils, can bind to and degrade extracellular matrix including human lung elastin. This protease is believed to play an important role in several destructive processes including pulmonary emphysema. In this study, we hypothesized that an alveolar ma...

journal_title：American journal of respiratory and critical care medicine

authors： Fujita J,Sköld CM,Daughton DM,Ertl RF,Takahara J,Rennard SI

更新日期：1999-09-01 00:00:00

abstract：RATIONALE:The causal direction between asthma and lung function deficit is unknown, but important for the focus of preventive measures and research into the origins of asthma. OBJECTIVES:To analyze the interaction between lung function development and asthma from birth to 7 years of age. METHODS:The Copenhagen Prospe...

journal_title：American journal of respiratory and critical care medicine

authors： Bisgaard H,Jensen SM,Bønnelykke K

更新日期：2012-06-01 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

abstract：:In Balb/C mice, painting the skin with ovalbumin (OVA) over a period of 14 days resulted in sensitization of the animals. This was documented by the appearance of OVA-specific IgE and IgG1 antibodies and increased total serum IgE levels. In addition, in regional (inguinal) lymph nodes of sensitized animals, OVA-specif...

journal_title：American journal of respiratory and critical care medicine

authors： Saloga J,Renz H,Larsen GL,Gelfand EW

更新日期：1994-01-01 00:00:00

abstract：RATIONALE:Obstructive sleep apnea (OSA) has been associated with kidney function loss, which may be related to changes in the renin-angiotensin system (RAS). OBJECTIVES:We sought to determine the effect of continuous positive airway pressure (CPAP) of patients with OSA on renal hemodynamics at baseline and in response...

journal_title：American journal of respiratory and critical care medicine

authors： Nicholl DD,Hanly PJ,Poulin MJ,Handley GB,Hemmelgarn BR,Sola DY,Ahmed SB

更新日期：2014-09-01 00:00:00

abstract：UNLABELLED:Although local tissue activation of the endothelin (ET) system contributes to the development of pulmonary hypertension, the impact of isolated chronic plasma hyperendothelinemia on the pulmonary circulation is unknown. METHODS:Mini-osmotic pumps were implanted in rats to deliver ET-1 during 7 or 28 days. A...

journal_title：American journal of respiratory and critical care medicine

authors： Migneault A,Sauvageau S,Villeneuve L,Thorin E,Fournier A,Leblanc N,Dupuis J

更新日期：2005-03-01 00:00:00

abstract：:Until recently it was thought that age greater than 35 yr was the main risk factor for the development of drug-induced hepatitis (DIH) in patients receiving antituberculosis therapy. We conducted a study to determine whether infection with either the hepatitis C virus or the human immunodeficiency virus (HIV) were sig...

journal_title：American journal of respiratory and critical care medicine

authors： Ungo JR,Jones D,Ashkin D,Hollender ES,Bernstein D,Albanese AP,Pitchenik AE

更新日期：1998-06-01 00:00:00

abstract：:The bactericidal activities of several once-weekly rifapentine (P)-containing combination regimens against Mycobacterium tuberculosis, and their ability to prevent the selection of rifampin (R)-resistant mutants, were compared with those of the standard six-times-weekly regimen consisting of R, isoniazid (H), and pyra...

journal_title：American journal of respiratory and critical care medicine

authors： Grosset J,Lounis N,Truffot-Pernot C,O'Brien RJ,Raviglione MC,Ji B

更新日期：1998-05-01 00:00:00

abstract：:Sensitive measures of lung function applicable to young subjects are needed to detect early cystic fibrosis (CF) lung disease. Forty children with CF aged 2 to 5 years and 37 age-matched healthy control subjects performed multiple-breath inert gas washout, plethysmography, and spirometry. Thirty children in each group...

journal_title：American journal of respiratory and critical care medicine

authors： Aurora P,Bush A,Gustafsson P,Oliver C,Wallis C,Price J,Stroobant J,Carr S,Stocks J,London Cystic Fibrosis Collaboration.

更新日期：2005-02-01 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 role of nitric oxide (NO) in the host-defense against human tuberculosis (TB) is controversial. Although experimental evidence indicates that NO may play an important role in controlling TB, its expression in human tuberculous lungs has not been systematically characterized. We therefore investigated the expressio...

journal_title：American journal of respiratory and critical care medicine

authors： Choi HS,Rai PR,Chu HW,Cool C,Chan ED

更新日期：2002-07-15 00:00:00

abstract：RATIONALE:β2-Agonists are the treatment of choice for exercise-induced bronchoconstriction (EIB) and act through specific receptors (ADRB2). Arg16Gly polymorphisms have been shown to affect responses to regular use of β2-agonists. OBJECTIVES:To evaluate the influence of the Arg16Gly receptor polymorphism on salmeterol...

journal_title：American journal of respiratory and critical care medicine

authors： Bonini M,Permaul P,Kulkarni T,Kazani S,Segal A,Sorkness CA,Wechsler ME,Israel E

更新日期：2013-12-15 00:00:00

abstract：RATIONALE:The role of computed tomography (CT) screening for lung cancer is controversial, currently under study, and not yet fully elucidated. OBJECTIVES:To report findings from initial and 1-year repeat screening low-radiation-dose CT of the chest and 3-year outcomes for 50- to 79-year-old current and ex-smokers in ...

journal_title：American journal of respiratory and critical care medicine

authors： Wilson DO,Weissfeld JL,Fuhrman CR,Fisher SN,Balogh P,Landreneau RJ,Luketich JD,Siegfried JM

更新日期：2008-11-01 00:00:00

abstract：:Nanoparticle-based drug delivery systems have considerable potential for treatment of tuberculosis (TB). The important technological advantages of nanoparticles used as drug carriers are high stability, high carrier capacity, feasibility of incorporation of both hydrophilic and hydrophobic substances, and feasibility ...

journal_title：American journal of respiratory and critical care medicine

authors： Gelperina S,Kisich K,Iseman MD,Heifets L

更新日期：2005-12-15 00:00:00

abstract：:Idiopathic pulmonary fibrosis (IPF) is a generally fatal disorder with a reported median survival of 3 to 6 yr. This has been based on relatively few studies with diagnoses inconsistently confirmed by adequate lung biopsy. Retrospective analysis of 104 patients with IPF who had open lung biopsy (OLB) at Mayo Medical C...

journal_title：American journal of respiratory and critical care medicine

authors： Bjoraker JA,Ryu JH,Edwin MK,Myers JL,Tazelaar HD,Schroeder DR,Offord KP

更新日期：1998-01-01 00:00:00

abstract：RATIONALE:IL-9 is a pleiotropic cytokine that has multiple effects on structural as well as numerous hematopoietic cells, which are central to the pathogenesis of asthma. OBJECTIVES:The contribution of IL-9 to asthma pathogenesis has thus far been unclear, due to conflicting reports in the literature. These earlier st...

journal_title：American journal of respiratory and critical care medicine

authors： Kearley J,Erjefalt JS,Andersson C,Benjamin E,Jones CP,Robichaud A,Pegorier S,Brewah Y,Burwell TJ,Bjermer L,Kiener PA,Kolbeck R,Lloyd CM,Coyle AJ,Humbles AA

更新日期：2011-04-01 00:00:00

abstract：:Segmental bronchoprovocation (SBP) with allergen was used in an attempt to study eosinophils recruited to the airway 24 h after challenge. Unexpectedly, in the first four patients, neutrophils (rather than eosinophils) were recruited in the bronchoalveolar lavage (BAL) fluids, and we hypothesized that the allergen ext...

journal_title：American journal of respiratory and critical care medicine

authors： Hunt LW,Gleich GJ,Ohnishi T,Weiler DA,Mansfield ES,Kita H,Sur S

更新日期：1994-06-01 00:00:00

abstract：RATIONALE:Community-acquired pneumonia (CAP) accounts for a major proportion of intensive care unit (ICU) admissions for respiratory failure and sepsis. Diagnostic uncertainty complicates case management, which may delay appropriate cause-specific treatment. OBJECTIVES:To characterize the blood genomic response in pat...

journal_title：American journal of respiratory and critical care medicine

authors： Scicluna BP,Klein Klouwenberg PM,van Vught LA,Wiewel MA,Ong DS,Zwinderman AH,Franitza M,Toliat MR,Nürnberg P,Hoogendijk AJ,Horn J,Cremer OL,Schultz MJ,Bonten MJ,van der Poll T

更新日期：2015-10-01 00:00:00

abstract：:Rationale: The bHLH (basic helix-loop-helix) transcription factor TWIST1 (Twist-related protein 1) controls cell proliferation and differentiation in tissue development and disease processes. Recently, endothelial TWIST1 has been linked to pulmonary hypertension (PH) and endothelial-to-mesenchymal transition, yet the ...

journal_title：American journal of respiratory and critical care medicine

authors： Fan Y,Gu X,Zhang J,Sinn K,Klepetko W,Wu N,Foris V,Solymosi P,Kwapiszewska G,Kuebler WM

更新日期：2020-11-01 00:00:00

abstract：:In animal models of endotoxemia, sepsis is associated with the accumulation of leukocytes and altered microvascular perfusion. In order to test the hypothesis that bacterial sepsis upregulates leukocyte-endothelial adhesion, we used intravital microscopy to examine the flow behavior of leukocytes in the postcapillary ...

journal_title：American journal of respiratory and critical care medicine

authors： Piper RD,Pitt-Hyde ML,Anderson LA,Sibbald WJ,Potter RF

更新日期：1998-01-01 00:00:00

abstract：RATIONALE:The effect of graft ischemic time on early graft function and long-term survival of patients who underwent lung transplantation remains controversial. Consequently, graft ischemic time has not been incorporated in the decision-making process at the time of graft acceptance. OBJECTIVES:To investigate the rela...

journal_title：American journal of respiratory and critical care medicine

authors： Thabut G,Mal H,Cerrina J,Dartevelle P,Dromer C,Velly JF,Stern M,Loirat P,Lesèche G,Bertocchi M,Mornex JF,Haloun A,Despins P,Pison C,Blin D,Reynaud-Gaubert M

更新日期：2005-04-01 00:00:00

abstract：:We have studied intrasubject variability with respect to counts of immunostained inflammatory cells in snap frozen endobronchial biopsies from a group of patients with clinically mild to moderate stable asthma. Fiberoptic bronchoscopy was used to obtain endobronchial biopsies from the upper and lower lobes in 12 volun...

journal_title：American journal of respiratory and critical care medicine

authors： Richmond I,Booth H,Ward C,Walters EH

更新日期：1996-03-01 00:00:00

abstract：:Premature lungs are highly susceptible to lung injuries, leading to bronchopulmonary dysplasia (BPD). Keratinocyte growth factor (KGF) is produced by the developing lung and may reduce the risk of BPD by preventing injury to the lung epithelium and enhancing its repair. To determine whether KGF concentrations in the a...

journal_title：American journal of respiratory and critical care medicine

authors： Danan C,Franco ML,Jarreau PH,Dassieu G,Chailley-Heu B,Bourbon J,Delacourt C

更新日期：2002-05-15 00:00:00

abstract：RATIONALE:Biomass exposure is an important risk factor for chronic obstructive pulmonary disease (COPD). However, the time-course behavior of FEV1 in subjects exposed to biomass is unknown. OBJECTIVES:We undertook this study to determine the FEV1 rate decline in subjects exposed to biomass. METHODS:Pulmonary function...

journal_title：American journal of respiratory and critical care medicine

authors： Ramírez-Venegas A,Sansores RH,Quintana-Carrillo RH,Velázquez-Uncal M,Hernandez-Zenteno RJ,Sánchez-Romero C,Velazquez-Montero A,Flores-Trujillo F

更新日期：2014-11-01 00:00:00

abstract：:The interleukin-1 cluster on human chromosome 2q12-2q14 harbors various promising candidate genes for asthma and other inflammatory diseases. We conducted a systematic association study with single-nucleotide polymorphisms (SNPs) located in candidate genes situated in this cluster. Single-marker, two-locus and three-l...

journal_title：American journal of respiratory and critical care medicine

authors： Gohlke H,Illig T,Bahnweg M,Klopp N,André E,Altmüller J,Herbon N,Werner M,Knapp M,Pescollderungg L,Boner A,Malerba G,Pignatti PF,Wjst M

更新日期：2004-06-01 00:00:00