Effects of cigarette smoke in mice with different levels of alpha(1)-proteinase inhibitor and sensitivity to oxidants.

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：:To help assess short-term respiratory responses to summertime air pollution, we exposed 24 asthmatic volunteers aged 11-18 in a chamber to respirable acid aerosol (mass median aerodynamic diameter 0.66 micron) plus 0.3 ppm nitrogen dioxide (NO2) plus 0.2 ppm ozone (O3). The aerosol contained available hydrogen ions (H...

journal_title：American journal of respiratory and critical care medicine

authors： Linn WS,Anderson KR,Shamoo DA,Edwards SA,Webb TL,Hackney JD,Gong H Jr

更新日期：1995-09-01 00:00:00

abstract：:Rationale: Noninvasive ventilation decreases the need for invasive mechanical ventilation and mortality among patients with chronic obstructive pulmonary disease but has not been well studied in asthma.Objectives: To assess the association between noninvasive ventilation and subsequent need for invasive mechanical ven...

journal_title：American journal of respiratory and critical care medicine

authors： Althoff MD,Holguin F,Yang F,Grunwald GK,Moss M,Vandivier RW,Ho PM,Kiser TH,Burnham EL

更新日期：2020-12-01 00:00:00

abstract：RATIONALE:Limited information exists on the prevalence of tuberculosis and adequacy of case finding in African populations with high rates of HIV. OBJECTIVES:To estimate the prevalence of bacteriologically confirmed pulmonary tuberculosis (PTB) and the fraction attributable to HIV, and to evaluate case detection. MET...

journal_title：American journal of respiratory and critical care medicine

authors： van't Hoog AH,Laserson KF,Githui WA,Meme HK,Agaya JA,Odeny LO,Muchiri BG,Marston BJ,DeCock KM,Borgdorff MW

更新日期：2011-05-01 00:00:00

abstract：:To determine the usefulness of positron emission tomography with fluoro-2-deoxyglucose (PET-FDG) in assessing mediastinal disease in patients with non-small-cell lung cancer (NSCLC) and to compare its yield to that of computed tomography (CT), we performed a prospective consecutive sample investigation in a university...

journal_title：American journal of respiratory and critical care medicine

authors： Chin R Jr,Ward R,Keyes JW,Choplin RH,Reed JC,Wallenhaupt S,Hudspeth AS,Haponik EF

更新日期：1995-12-01 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：: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：: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：:Not all asthma can be adequately controlled, despite the use of high-dose inhaled corticosteroids. Because cysteinyl-leukotrienes (Cys-LT) have been implicated in the pathogenesis of asthma, we hypothesized that the leukotriene receptor antagonist zafirlukast, in combination with high-doses of inhaled corticosteroids,...

journal_title：American journal of respiratory and critical care medicine

authors： Virchow JC Jr,Prasse A,Naya I,Summerton L,Harris A

更新日期：2000-08-01 00:00:00

abstract：:The impact of methicillin resistance on morbidity and mortality of patients suffering from severe Staphylococcus aureus infections remains highly controversial. We analyzed a retrospective cohort of 97 patients with methicillin-susceptible and 74 patients with methicillin-resistant Staphylococcus aureus ventilator-ass...

journal_title：American journal of respiratory and critical care medicine

authors： Combes A,Luyt CE,Fagon JY,Wollf M,Trouillet JL,Gibert C,Chastre J,PNEUMA Trial Group.

更新日期：2004-10-01 00:00:00

abstract：RATIONALE:Chronic bronchitis (CB) is characterized by persistent cough and sputum production. Studies were performed to test whether mucus hyperconcentration and increased partial osmotic pressure, in part caused by abnormal purine nucleotide regulation of ion transport, contribute to the pathogenesis of CB. OBJECTIVE...

journal_title：American journal of respiratory and critical care medicine

authors： Anderson WH,Coakley RD,Button B,Henderson AG,Zeman KL,Alexis NE,Peden DB,Lazarowski ER,Davis CW,Bailey S,Fuller F,Almond M,Qaqish B,Bordonali E,Rubinstein M,Bennett WD,Kesimer M,Boucher RC

更新日期：2015-07-15 00:00:00

abstract：:Characterization of chemokine expression patterns in virus-infected epithelial cells provides important clues to the pathophysiology of such infections. The aim of this study was to determine the chemokine response pattern of respiratory epithelium when infected with respiratory syncytial virus (RSV). Macrophage infla...

journal_title：American journal of respiratory and critical care medicine

authors： Harrison AM,Bonville CA,Rosenberg HF,Domachowske JB

更新日期：1999-06-01 00:00:00

abstract：:The remarkable success of epidermal growth factor receptor (EGFR) and anaplastic lymphoma kinase (ALK) tyrosine kinase inhibitors in patients with EGFR mutations and ALK rearrangements, respectively, introduced the era of targeted therapy in advanced non-small cell lung cancer (NSCLC), shifting treatment from platinum...

journal_title：American journal of respiratory and critical care medicine

authors： Cardarella S,Johnson BE

更新日期：2013-10-01 00:00:00

abstract：:Acute sustained hypoxia causes an early rise in ventilation, followed by a reduction in ventilation ("roll off") after several minutes to levels below the peak but above baseline. The underlying mechanism(s) of this biphasic response is unclear. Hypoxia induces changes in the release and metabolic turnover of glutamat...

journal_title：American journal of respiratory and critical care medicine

authors： Soto-Arape I,Burton MD,Kazemi H

更新日期：1995-04-01 00:00:00

abstract：:Patients in whom acid-fast bacilli smear-positive pulmonary tuberculosis was newly diagnosed were randomized to receive 400 mg moxifloxacin, 300 mg isonaizid, or 600 mg rifampin daily for 5 days. Sixteen-hour overnight sputa collections were made for the 2 days before and for 5 days of monotherapy. Bactericidal activi...

journal_title：American journal of respiratory and critical care medicine

authors： Gosling RD,Uiso LO,Sam NE,Bongard E,Kanduma EG,Nyindo M,Morris RW,Gillespie SH

更新日期：2003-12-01 00:00:00

abstract：:Asthmaexpert, an expert system (ES), was produced at the special request of several clinicians in order to better understand the medical decisions made clinical experts in managing an asthmatic patient. We describe and evaluate this knowledge base, focusing mainly on assessment of the severity of asthma. After compili...

journal_title：American journal of respiratory and critical care medicine

authors： Redier H,Daures JP,Michel C,Proudhon H,Vervloet D,Charpin D,Marsac J,Dusser D,Brambilla C,Wallaert B

更新日期：1995-02-01 00:00:00

abstract：:A continuously mixed series of microbial communities inhabits various points of the respiratory tract, with community composition determined by distance from colonization sources, colonization rates, and extinction rates. Ecology and evolution theory developed in the context of biogeography is relevant to clinical mic...

journal_title：American journal of respiratory and critical care medicine

authors： Whiteson KL,Bailey B,Bergkessel M,Conrad D,Delhaes L,Felts B,Harris JK,Hunter R,Lim YW,Maughan H,Quinn R,Salamon P,Sullivan J,Wagner BD,Rainey PB

更新日期：2014-06-01 00:00:00

abstract：:Simple tools for discrimination of lung tissues can be useful in a fast machine-aided diagnosis, for example, by tumor-specific microarrays. We demonstrate that an easy ratio technique, based on the expression levels of only two genes differentially expressed in lung tumor and normal lung samples, allows discriminatio...

journal_title：American journal of respiratory and critical care medicine

authors： Hofmann HS,Hansen G,Burdach S,Bartling B,Silber RE,Simm A

更新日期：2004-09-01 00:00:00

abstract：:At present there is some indirect evidence for increased nocturnal inflammation in patients suffering from nocturnal asthma: 1. Circulating eosinophil numbers and activation, as reflected by increased levels of ECP and EDN and low-density eosinophils, are increased at night. 2. Circulating histamine levels are increas...

journal_title：American journal of respiratory and critical care medicine

authors： Postma DS,Oosterhoff Y,van Aalderen WM,Kauffman HF,Wempe JB,Koëter GH

更新日期：1994-11-01 00:00:00

abstract：:Methodologies used to assess airway responsiveness (AR) in children administer the same dosage schedule to all children despite the great range in the size of subjects. The aim of this study was to examine the hypothesis that the level of AR is size dependent within same-age cohorts and between different ages. Among a...

journal_title：American journal of respiratory and critical care medicine

authors： Le Souëf PN,Sears MR,Sherrill D

更新日期：1995-08-01 00:00:00

abstract：:A number of new observations have added to our understanding of mast cell biology and the relevance of this cell to the genesis of asthma. The purpose of this review has been to highlight this new information and to refer the reader to extensive reviews where previously documented and well-known data are available. Of...

journal_title：American journal of respiratory and critical care medicine

authors： Wasserman SI

更新日期：1994-11-01 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: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：:Ventilation was measured in 31 difficult-to-wean patients while pressure support (PS) was reduced by 5 cm H2O every 20 min. Weaning had to be aborted in 14 of 31 patients (Group F) because they met predefined distress criteria. The remaining 17 patients who were able to complete the "weaning test" (Group S) had larger...

journal_title：American journal of respiratory and critical care medicine

authors： Stroetz RW,Hubmayr RD

更新日期：1995-09-01 00:00:00

abstract：:The predisposing factors and complications of unplanned extubation (UEX) in mechanically ventilated adult patients are not well recognized. We designed a prospective multicenter observational study to identify risk factors and describe the complications of UEX. We followed 426 ventilated patients over a 2-mo period. C...

journal_title：American journal of respiratory and critical care medicine

authors： Boulain T

更新日期：1998-04-01 00:00:00

abstract：:Obstructive apneas and hypopneas during sleep are a well recognized cause of excessive daytime sleepiness. Snoring is also associated with excess sleepiness, although it is not known whether this reflects an independent effect of snoring or whether snoring is simply a marker for obstructive sleep apnea. To further exp...

journal_title：American journal of respiratory and critical care medicine

authors： Gottlieb DJ,Yao Q,Redline S,Ali T,Mahowald MW

更新日期：2000-10-01 00:00:00

abstract：:We examined the efficacy and the acceptance of an oral device (SnorEx) causing a forward displacement of the tongue for the treatment of sleep-disordered breathing (SDB). Twenty-three consecutive subjects with SDB were investigated. Noncompliance (NC) of use of the oral appliance was observed in 74% (17 of 23) of the ...

journal_title：American journal of respiratory and critical care medicine

authors： Schönhofer B,Stoohs RA,Rager H,Wenzel M,Wenzel G,Köhler D

更新日期：1997-02-01 00:00:00

abstract：RATIONALE:Chronic lung diseases are associated with cardiovascular disease. How these associations evolve from young adulthood forward is unknown. Understanding the preclinical history of these associations could inform prevention strategies for common heart-lung conditions. OBJECTIVES:To use the Coronary Artery Risk ...

journal_title：American journal of respiratory and critical care medicine

authors： Cuttica MJ,Colangelo LA,Shah SJ,Lima J,Kishi S,Arynchyn A,Jacobs DR Jr,Thyagarajan B,Liu K,Lloyd-Jones D,Kalhan R

更新日期：2015-07-01 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

abstract：:Kaposi's sarcoma (KS) is the most common neoplasm in persons infected with the human immunodeficiency virus (HIV). However, information about the presenting features of pulmonary KS is limited. To describe the clinical, laboratory, and radiographic features of pulmonary KS, medical records and chest radiographs of 168...

journal_title：American journal of respiratory and critical care medicine

authors： Huang L,Schnapp LM,Gruden JF,Hopewell PC,Stansell JD

更新日期：1996-04-01 00:00:00