Innate immune recognition in infectious and noninfectious diseases of the lung.

abstract：RATIONALE:Matrix metalloproteinase-7 (MMP-7) has been implicated in interstitial lung disease pathobiology and proposed as a diagnostic and prognostic biomarker of idiopathic pulmonary fibrosis. OBJECTIVES:To test associations between serum MMP-7 and lung function, respiratory symptoms, interstitial lung abnormalities...

journal_title：American journal of respiratory and critical care medicine

authors： Armstrong HF,Podolanczuk AJ,Barr RG,Oelsner EC,Kawut SM,Hoffman EA,Tracy R,Kaminski N,McClelland RL,Lederer DJ

更新日期：2017-11-15 00:00:00

abstract：:To compare the effectiveness of information delivered to family members of critically ill patients by junior and senior physicians, we performed a prospective randomized multicenter trial in 11 French intensive care units. Patients (n = 220) were allocated at random to having their family members receive information b...

journal_title：American journal of respiratory and critical care medicine

authors： Moreau D,Goldgran-Toledano D,Alberti C,Jourdain M,Adrie C,Annane D,Garrouste-Orgeas M,Lefrant JY,Papazian L,Quinio P,Pochard F,Azoulay E

更新日期：2004-02-15 00:00:00

abstract：:To investigate the annual decline of lung function in subjects with self-reported asthma, we analyzed data from a longitudinal epidemiologic study. The Copenhagen City Heart Study. The study sample consisted of 10,952 subjects (4,824 men), 20 to 90 yr of age, randomly selected from the city of Copenhagen followed over...

journal_title：American journal of respiratory and critical care medicine

authors： Ulrik CS,Lange P

更新日期：1994-09-01 00:00:00

abstract：:The absence of standardized assessment protocols with well- defined measurement properties limits comparison of outcomes among those receiving long-term oxygen therapy (LTOT). We describe simple protocols for a hospital test, a simulated home test, and an actual home test, their reliability and relationship to each ot...

journal_title：American journal of respiratory and critical care medicine

authors： Guyatt GH,McKim DA,Weaver B,Austin PA,Bryan RE,Walter SD,Nonoyama ML,Ferreira IM,Goldstein RS

更新日期：2001-03-01 00:00:00

abstract：:The influx of neutrophils into the lung is a sentinel event in LPS-induced acute lung inflammation. Previous studies have shown that systemic inhibition of p38 decreases LPS-induced neutrophil influx into the alveolar space but has no effect on pulmonary parenchymal neutrophil accumulation or on microvascular leak, in...

journal_title：American journal of respiratory and critical care medicine

authors： Arndt PG,Young SK,Lieber JG,Fessler MB,Nick JA,Worthen GS

更新日期：2005-05-01 00:00:00

abstract：:The aim of this study was to assess positive end-expiratory pressure (PEEP)-induced lung overdistension and alveolar recruitment in six patients with acute lung injury (ALI) using a computed tomographic (CT) scan method. Lung overdistension was first determined in six healthy volunteers in whom CT sections were obtain...

journal_title：American journal of respiratory and critical care medicine

authors： Vieira SR,Puybasset L,Richecoeur J,Lu Q,Cluzel P,Gusman PB,Coriat P,Rouby JJ

更新日期：1998-11-01 00:00:00

abstract：RATIONALE:Cystic fibrosis (CF) lung disease is caused by the loss of function of the cystic fibrosis transmembrane conductance regulator (CFTR) combined with hyperactivation of the epithelial sodium channel (ENaC). In the lung, ENaC is responsible for movement of sodium. Hyperactivation of ENaC, which creates an osmoti...

journal_title：American journal of respiratory and critical care medicine

authors： Scott DW,Walker MP,Sesma J,Wu B,Stuhlmiller TJ,Sabater JR,Abraham WM,Crowder TM,Christensen DJ,Tarran R

更新日期：2017-09-15 00:00:00

abstract：:Inhaled corticosteroids are effective antiinflammatory therapy for asthma; however, they do not completely abolish allergen-induced airway inflammation. Leukotriene modifiers attenuate both early and late allergen responses and have antiinflammatory properties. We reasoned that treatment with budesonide and montelukas...

journal_title：American journal of respiratory and critical care medicine

authors： Leigh R,Vethanayagam D,Yoshida M,Watson RM,Rerecich T,Inman MD,O'Byrne PM

更新日期：2002-11-01 00:00:00

abstract：:The present studies were designed to assess the pattern of activity and the frequency of activation of the neck muscles in patients with chronic obstructive pulmonary disease (COPD). Using concentric needle electrodes, we thus recorded the electromyograms of the scalene, sternocleidomastoid, and trapezius muscles duri...

journal_title：American journal of respiratory and critical care medicine

authors： De Troyer A,Peche R,Yernault JC,Estenne M

更新日期：1994-07-01 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：:Products of the prostaglandin H synthase (PGHS) metabolic pathway are thought to play a role in the pathogenesis of asthma. We determined the level of expression of the constitutive (PGHS-1) and inducible (PGHS-2) isoforms of the enzyme in induced sputum and bronchial biopsies of patients with asthma, patients with ch...

journal_title：American journal of respiratory and critical care medicine

authors： Taha R,Olivenstein R,Utsumi T,Ernst P,Barnes PJ,Rodger IW,Giaid A

更新日期：2000-02-01 00:00:00

abstract：:The length of time that blood remains in the pulmonary capillary is an important variable in gas exchange. We have investigated the distribution of capillary transit times in isolated rabbit lungs perfused with a bicarbonate-free buffer. The time course of gas exchange was monitored by enclosing the lungs in a plethys...

journal_title：American journal of respiratory and critical care medicine

authors： Klocke RA,Schünemann HJ,Grant BJ

更新日期：1995-12-01 00:00:00

abstract：BACKGROUND:Measurements of upper airway size and shape are important in investigating the pathophysiology of obstructive sleep apnea (OSA) and in devising, applying, and determining the effectiveness of treatment modalities. We describe an endoscopic optical technique (anatomic optical coherence tomography, aOCT) that ...

journal_title：American journal of respiratory and critical care medicine

authors： Armstrong JJ,Leigh MS,Sampson DD,Walsh JH,Hillman DR,Eastwood PR

更新日期：2006-01-15 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：: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：:We used three-dimensional reconstructions obtained with spiral computed tomography to measure total diaphragm surface area (Adi), and the surface area of the dome (Ado) and of the zone of apposition (Aap) of the diaphragm in nine patients with single-lung transplantation (SLT) for emphysema and nine normal subjects ma...

journal_title：American journal of respiratory and critical care medicine

authors： Cassart M,Verbandt Y,de Francquen P,Gevenois PA,Estenne M

更新日期：1999-06-01 00:00:00

abstract：RATIONALE:Chronic obstructive pulmonary disease (COPD) is increasingly recognized as a multicomponent disease with systemic consequences and effects on quality of life. Single measures such as lung function provide a limited reflection of how the disease affects patients. Composite measures have the potential to accoun...

journal_title：American journal of respiratory and critical care medicine

authors： Jones RC,Donaldson GC,Chavannes NH,Kida K,Dickson-Spillmann M,Harding S,Wedzicha JA,Price D,Hyland ME

更新日期：2009-12-15 00:00:00

abstract：RATIONALE:Exhaled nitric oxide (Fe(NO)) is a biomarker of airway inflammation in mild to moderate asthma. However, whether Fe(NO) levels are informative regarding airway inflammation in patients with severe asthma, who are refractory to conventional treatment, is unknown. Here, we hypothesized that classification of se...

journal_title：American journal of respiratory and critical care medicine

authors： Dweik RA,Sorkness RL,Wenzel S,Hammel J,Curran-Everett D,Comhair SA,Bleecker E,Busse W,Calhoun WJ,Castro M,Chung KF,Israel E,Jarjour N,Moore W,Peters S,Teague G,Gaston B,Erzurum SC,National Heart, Lung, and Blood Insti

更新日期：2010-05-15 00:00:00

abstract：:The nasal antiinflammatory effects produced by maintenance treatment with topical steroids include reduced production of cytokines. The present study explored nasal mucosal effects induced during the first 9 h after a single dose of topical budesonide. Nine subjects with allergic rhinitis due to birch or timothy polle...

journal_title：American journal of respiratory and critical care medicine

authors： Linden M,Svensson C,Andersson E,Andersson M,Greiff L,Persson CG

更新日期：2000-11-01 00:00:00

abstract：:Controversy exists regarding the clinical utility of pleural fluid pH, lactate dehydrogenase (LDH), and glucose for identifying complicated parapneumonic effusions that require drainage. In this report, we performed a meta-analysis of pertinent studies, using receiver operating characteristic (ROC) techniques, to asse...

journal_title：American journal of respiratory and critical care medicine

authors： Heffner JE,Brown LK,Barbieri C,DeLeo JM

更新日期：1995-06-01 00:00:00

abstract：:Recent studies suggest that a nitric oxide (NO) deficiency and elevated arginase activity may play a role in the pathogenesis of asthma. Although much attention has been directed toward measurements of exhaled NO in asthma, no studies to date have evaluated levels of plasma arginase or arginine, the substrate for NO p...

journal_title：American journal of respiratory and critical care medicine

authors： Morris CR,Poljakovic M,Lavrisha L,Machado L,Kuypers FA,Morris SM Jr

更新日期：2004-07-15 00:00:00

abstract：:The forced oscillation technique (FOT) and interrupter technique are particularly attractive for pediatric use as they require only passive cooperation from the patient. We compared the sensitivity and specificity of these methods for detecting airway obstruction and its reversibility in 118 children (3-16 yr) with as...

journal_title：American journal of respiratory and critical care medicine

authors： Delacourt C,Lorino H,Fuhrman C,Herve-Guillot M,Reinert P,Harf A,Housset B

更新日期：2001-09-15 00:00:00

abstract：RATIONALE:E-cigarettes vaporize propylene glycol/vegetable glycerin (PG/VG), nicotine, and flavorings. However, the long-term health effects of exposing lungs to vaped e-liquids are unknown. OBJECTIVES:To determine the effects of chronic vaping on pulmonary epithelia. METHODS:We performed research bronchoscopies on h...

journal_title：American journal of respiratory and critical care medicine

authors： Ghosh A,Coakley RC,Mascenik T,Rowell TR,Davis ES,Rogers K,Webster MJ,Dang H,Herring LE,Sassano MF,Livraghi-Butrico A,Van Buren SK,Graves LM,Herman MA,Randell SH,Alexis NE,Tarran R

更新日期：2018-07-01 00:00:00

abstract：:Rationale: Chronic cough is characterized by frequent urges to cough and a heightened sensitivity to inhaled irritants. Airway sensory nerves trigger cough. We hypothesized that sensory nerve density is increased in chronic cough, which may contribute to excessive and persistent coughing.Objectives: To measure airway ...

journal_title：American journal of respiratory and critical care medicine

authors： Shapiro CO,Proskocil BJ,Oppegard LJ,Blum ED,Kappel NL,Chang CH,Fryer AD,Jacoby DB,Costello RW,Drake MG

更新日期：2021-02-01 00:00:00

abstract：RATIONALE:Childhood sleep-disordered breathing ranges in severity from primary snoring to obstructive sleep apnea and is associated with behavioral and neurocognitive deficits. It remains unknown why children with primary snoring, who do not experience peripheral oxygen desaturation or sleep fragmentation, experience s...

journal_title：American journal of respiratory and critical care medicine

authors： Tamanyan K,Walter LM,Weichard A,Davey MJ,Nixon GM,Biggs SN,Horne RSC

更新日期：2018-06-01 00:00:00

abstract：:Nitric oxide (NO) may play a part in pulmonary vascular regulation and bronchomotor control and has been detected in exhaled air. We report the release of NO from airway epithelial cells and its regulation by cyclic adenosine monophosphate (cAMP). To directly measure NO release, a highly specific amperometric sensor f...

journal_title：American journal of respiratory and critical care medicine

authors： Tamaoki J,Kondo M,Takemura H,Chiyotani A,Yamawaki I,Konno K

更新日期：1995-10-01 00:00:00

abstract：:We describe two reliable methods for high-throughput screening of proteinase inhibitor (PI) S and PI Z alpha(1)-antitrypsin (alpha(1)-AT) deficiency alleles from dried blood spot (DBS) specimens using the LightCycler fluorimetric analyzer. The method was used to study 72 patients with chronic obstructive pulmonary dis...

journal_title：American journal of respiratory and critical care medicine

authors： Rodriguez F,Jardí R,Costa X,Cotrina M,Galimany R,Vidal R,Miravitlles M

更新日期：2002-09-15 00:00:00

abstract：:The gas exchange threshold (GET) has been used an an index of anaerobic threshold because it can be measured noninvasively. GET is estimated from a breakpoint in breath by breath values of carbon dioxide uptake (Vco2) and oxygen uptake (Vo2) obtained during a progressive exercise test. Three methods of estimating GET ...

journal_title：American journal of respiratory and critical care medicine

authors： Magalang UJ,Grant BJ

更新日期：1995-01-01 00:00:00

abstract：:Bronchoalveolar lavage (BAL) is increasingly used in the pediatric age group. However, normal values for BAL fluid (BALF) constituents are lacking. As part of an investigation to define reference values in children, we studied lymphocyte surface markers of BALF in 28 children 3 to 16 yr of age without bronchopulmonary...

journal_title：American journal of respiratory and critical care medicine

authors： Ratjen F,Bredendiek M,Zheng L,Brendel M,Costabel U

更新日期：1995-07-01 00:00:00

abstract：:We investigated the source of intravascular fat in systemic organs (brain, heart, and kidney) after massive pulmonary fat embolism during cemented arthroplasty. We used a bilateral cemented arthroplasty (BCA) in anesthetized mongrel dogs that simulates a cemented total-hip replacement procedure. We hypothesized that d...

journal_title：American journal of respiratory and critical care medicine

authors： Byrick RJ,Mullen JB,Mazer CD,Guest CB

更新日期：1994-11-01 00:00:00