Central airway obstruction.

abstract：RATIONALE:Fibroblast growth factor receptor-1alpha(IIIc) [FGF-R1alpha(IIIc)] regulates recovery of neonatal rat lung growth, after 95% oxygen-mediated growth arrest. Its role in normal postnatal alveologenesis is unknown. OBJECTIVE:To determine if FGF-R1alpha(IIIc) regulates normal postnatal alveologenesis. METHODS:T...

journal_title：American journal of respiratory and critical care medicine

authors： Yi M,Belcastro R,Shek S,Luo D,Post M,Tanswell AK

更新日期：2006-09-01 00:00:00

abstract：:We reasoned that a prospective assessment of glucocorticoid withdrawal in subjects with asthma would provide insight into the basis for flares of the disease. We therefore enrolled 25 subjects with moderate persistent asthma and treated them for 30 days with inhaled fluticasone propionate (1,760 microg/day) followed b...

journal_title：American journal of respiratory and critical care medicine

authors： Castro M,Bloch SR,Jenkerson MV,DeMartino S,Hamilos DL,Cochran RB,Zhang XE,Wang H,Bradley JP,Schechtman KB,Holtzman MJ

更新日期：2004-04-01 00:00:00

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：:Viral-induced symptomatic respiratory infections (SRI) frequently cause exacerbations of asthma in children. This study investigated the protective effects of 0.5% nedocromil sodium nebulizer solution given three times a day in preventing asthma exacerbations associated with SRI. Ninety-three mild-moderate asthmatic c...

journal_title：American journal of respiratory and critical care medicine

authors： König P,Eigen H,Ellis MH,Ellis E,Blake K,Geller D,Shapiro G,Welch M,Scott C

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:Obstructive sleep apnea (OSA), a treatable sleep disorder that is associated with alterations in glucose metabolism in individuals without diabetes, is a highly prevalent comorbidity of type 2 diabetes. However, it is not known whether the severity of OSA is a predictor of glycemic control in patients with di...

journal_title：American journal of respiratory and critical care medicine

authors： Aronsohn RS,Whitmore H,Van Cauter E,Tasali E

更新日期：2010-03-01 00:00:00

abstract：RATIONALE:Traditionally, Mycobacterium avium complex (MAC) has been composed of M. avium and M. intracellulare; however, advances in genetic sequencing have allowed discovery of several novel species. With these discoveries, investigation of differences in risk factors, virulence, and clinical outcomes have emerged. O...

journal_title：American journal of respiratory and critical care medicine

authors： Boyle DP,Zembower TR,Reddy S,Qi C

更新日期：2015-06-01 00:00:00

abstract：:Obstructive sleep apnea (OSA) is traditionally diagnosed using overnight polysomnography. Decision rules may provide an alternative to polysomnography. A consecutive series of patients referred to a tertiary sleep center underwent prospective evaluation with the upper airway physical examination protocol, followed by ...

journal_title：American journal of respiratory and critical care medicine

authors： Tsai WH,Remmers JE,Brant R,Flemons WW,Davies J,Macarthur C

更新日期：2003-05-15 00:00:00

abstract：RATIONALE:The mechanisms by which oxidants are sensed by cells and cause inflammation are not well understood. OBJECTIVES:This study aimed to determine how cells "sense" soluble oxidants and how this is translated into an inflammatory reaction. METHODS:Monocytes, macrophages, or HEK293 cells (stably transfected with ...

journal_title：American journal of respiratory and critical care medicine

authors： Paul-Clark MJ,McMaster SK,Sorrentino R,Sriskandan S,Bailey LK,Moreno L,Ryffel B,Quesniaux VF,Mitchell JA

更新日期：2009-02-15 00:00:00

abstract：:Ventilation style influences lung injury and the amount of large-aggregate biophysically active surfactant in adult lungs. We asked how positive end-expiratory pressures (PEEP) would influence clinical responses and surfactant pools in surfactant-treated preterm lambs ventilated for 7 h with tidal volumes (VT) of 10 m...

journal_title：American journal of respiratory and critical care medicine

authors： Michna J,Jobe AH,Ikegami M

更新日期：1999-08-01 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：:The management of children with drug-resistant tuberculosis (DR-TB) is challenging, and it is likely that in many places, the roll-out of molecular diagnostic testing will lead to more children being diagnosed. There is a limited evidence base to guide optimal treatment and follow-up in the pediatric population; in ex...

journal_title：American journal of respiratory and critical care medicine

authors： Seddon JA,Furin JJ,Gale M,Del Castillo Barrientos H,Hurtado RM,Amanullah F,Ford N,Starke JR,Schaaf HS,Sentinel Project on Pediatric Drug-Resistant Tuberculosis.

更新日期：2012-11-15 00:00:00

abstract：:It has been suggested that in patients with adult respiratory distress syndrome (ARDS), intrinsic positive end-expiratory pressure (PEEPi) is generated by a disproportionate increase in expiratory flow resistance. Using the negative expiratory pressure (NEP) technique, we assessed whether expiratory flow limitation (E...

journal_title：American journal of respiratory and critical care medicine

authors： Koutsoukou A,Armaganidis A,Stavrakaki-Kallergi C,Vassilakopoulos T,Lymberis A,Roussos C,Milic-Emili J

更新日期：2000-05-01 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:Lung cancer screening using computed tomography (CT) is effective in detecting lung cancer in early stages. Concerns regarding false-positive rates and unnecessary invasive procedures have been raised. OBJECTIVE:To study the efficiency of a lung cancer protocol using spiral CT and F-18-fluorodeoxyglucose pos...

journal_title：American journal of respiratory and critical care medicine

authors： Bastarrika G,García-Velloso MJ,Lozano MD,Montes U,Torre W,Spiteri N,Campo A,Seijo L,Alcaide AB,Pueyo J,Cano D,Vivas I,Cosín O,Domínguez P,Serra P,Richter JA,Montuenga L,Zulueta JJ

更新日期：2005-06-15 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：:A variety of substances including human meconium have been found to affect adversely the surface tension-lowering activity of pulmonary surfactants, and this effect may be important in the pathogenesis of a number of human diseases. To find whether inactivation of surfactant could be prevented or reduced by nonionic p...

journal_title：American journal of respiratory and critical care medicine

authors： William Taeusch H,Lu KW,Goerke J,Clements JA

更新日期：1999-05-01 00:00:00

abstract：RATIONALE:Lung allografts are prone to reperfusion injury and acute rejection, which, in addition to infiltrating lymphocytes, are accompanied by neutrophil infiltration and neutrophil-associated oxidative stress. Indoleamine 2,3-dioxygenase (IDO) is a unique cytosolic enzyme that possesses T-cell-suppressive and antio...

journal_title：American journal of respiratory and critical care medicine

authors： Liu H,Liu L,Fletcher BS,Visner GA

更新日期：2006-03-01 00:00:00

abstract：:Although overproduction of proinflammatory 5-lipoxygenase (5-LO)-derived leukotrienes (LTs) has been demonstrated in the lungs of patients with pulmonary fibrosis, their causal involvement in this condition has not been established. Bleomycin-induced pulmonary fibrosis was studied in mice rendered LT deficient by knoc...

journal_title：American journal of respiratory and critical care medicine

authors： Peters-Golden M,Bailie M,Marshall T,Wilke C,Phan SH,Toews GB,Moore BB

更新日期：2002-01-15 00:00:00

abstract：:Exposure to fine airborne particulate matter (PM(2.5)) is associated with cardiovascular events and mortality in older and cardiac patients. Potential physiologic effects of in-vehicle, roadside, and ambient PM(2.5) were investigated in young, healthy, nonsmoking, male North Carolina Highway Patrol troopers. Nine troo...

journal_title：American journal of respiratory and critical care medicine

authors： Riediker M,Cascio WE,Griggs TR,Herbst MC,Bromberg PA,Neas L,Williams RW,Devlin RB

更新日期：2004-04-15 00:00:00

abstract：RATIONALE:Epidemiological studies in older individuals have found an association between the use of angiotensin-converting enzyme (ACE) inhibition (ACE-I) therapy and preserved locomotor muscle mass, strength, and walking speed. ACE-I therapy might therefore have a role in the context of pulmonary rehabilitation (PR). ...

journal_title：American journal of respiratory and critical care medicine

authors： Curtis KJ,Meyrick VM,Mehta B,Haji GS,Li K,Montgomery H,Man WD,Polkey MI,Hopkinson NS

更新日期：2016-12-01 00:00:00

abstract：:Noninflammatory structural alterations, variously referred to as airway remodeling, are well documented in the asthmatic airway. However, the pathogenesis of these alterations, the importance of airway remodeling in generating the asthma phenotype, and the natural history of airway remodeling responses have not been a...

journal_title：American journal of respiratory and critical care medicine

authors： Zhu Z,Lee CG,Zheng T,Chupp G,Wang J,Homer RJ,Noble PW,Hamid Q,Elias JA

更新日期：2001-11-15 00:00:00

abstract：:The molecular sources of reactive oxygen species (ROS) in skeletal muscles are not well understood. We hypothesized that nonphagocyte NAD(P)H oxidase could be a source of ROS in muscle fibers. We thus investigated the existence, structure, and contribution of nonphagocyte NAD(P)H oxidase to ROS production in rat skele...

journal_title：American journal of respiratory and critical care medicine

authors： Javeshghani D,Magder SA,Barreiro E,Quinn MT,Hussain SN

更新日期：2002-02-01 00:00:00

abstract：:We surveyed pulmonologists to determine which procedures they do in practice, where they learned the procedures, and how much training they recommend to attain and maintain clinical competence in each. We mailed a survey to a random sample of 1,000 members of the American College of Physicians who were identified as p...

journal_title：American journal of respiratory and critical care medicine

authors： Tape TG,Blank LL,Wigton RS

更新日期：1995-02-01 00:00:00

abstract：RATIONALE:Infection with Pneumocystis, an opportunistic fungal pathogen, can result in fulminant pneumonia in the clinical setting of patients with immunosuppression. In murine models, Pneumocystis has previously been shown to induce a CD4+ T cell-dependent eosinophilic response in the lung capable of providing protect...

journal_title：American journal of respiratory and critical care medicine

authors： Eddens T,Campfield BT,Serody K,Manni ML,Horne W,Elsegeiny W,McHugh KJ,Pociask D,Chen K,Zheng M,Alcorn JF,Wenzel S,Kolls JK

更新日期：2016-10-01 00:00:00

abstract：RATIONALE:Exploring prenatal factors influencing childhood wheeze may inform programming mechanisms. OBJECTIVES:We examined associations among prenatal maternal cortisol profiles, maternal obesity, and repeated wheeze up to age 2 years (n = 261). METHODS:Salivary cortisol was collected five times per day over 3 days ...

journal_title：American journal of respiratory and critical care medicine

authors： Wright RJ,Fisher K,Chiu YH,Wright RO,Fein R,Cohen S,Coull BA

更新日期：2013-06-01 00:00:00

abstract：:Impaired lung epithelial Na(+) channel (ENaC) activity at the time of birth results in respiratory distress. To investigate potential mechanisms, the ontogeny and cellular distribution of the alphaENaC subunit mRNA expression was studied in normal, immature, and abnormal (hypoplastic) human fetal lungs using nonradioi...

journal_title：American journal of respiratory and critical care medicine

authors： Smith DE,Otulakowski G,Yeger H,Post M,Cutz E,O'Brodovich HM

更新日期：2000-04-01 00:00:00

abstract：RATIONALE:Lung transplant recipients are particularly at risk of complications from rhinovirus, the most frequent respiratory virus circulating in the community. OBJECTIVES:To determine whether lung transplant recipients can be chronically infected by rhinovirus and the potential clinical impact. METHODS:We first ide...

journal_title：American journal of respiratory and critical care medicine

authors： Kaiser L,Aubert JD,Pache JC,Deffernez C,Rochat T,Garbino J,Wunderli W,Meylan P,Yerly S,Perrin L,Letovanec I,Nicod L,Tapparel C,Soccal PM

更新日期：2006-12-15 00:00:00

abstract：:Surfactant protein B (SP-B) is one of the essential constituents of the alveolar surfactant system, presenting mainly in the form of SP-B dimer. The measurement of this molecule in biologic samples has been hampered by its extreme hydrophobicity and intimate association with surfactant lipids. We developed a solid-pha...

journal_title：American journal of respiratory and critical care medicine

authors： Krämer HJ,Schmidt R,Günther A,Becker G,Suzuki Y,Seeger W

更新日期：1995-11-01 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