Bronchoalveolar lavage alterations in pulmonary embolism.

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: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：:Chronic obstructive pulmonary disease (COPD) is a common and progressive disease that is influenced by both genetic and environmental factors. For many years, knowledge of the genetic basis of COPD was limited to Mendelian syndromes, such as alpha-1 antitrypsin deficiency and cutis laxa, caused by rare genetic variant...

journal_title：American journal of respiratory and critical care medicine

authors： Ragland MF,Benway CJ,Lutz SM,Bowler RP,Hecker J,Hokanson JE,Crapo JD,Castaldi PJ,DeMeo DL,Hersh CP,Hobbs BD,Lange C,Beaty TH,Cho MH,Silverman EK

更新日期：2019-09-15 00:00:00

abstract：:Most data about the course of occupational asthma after removal from exposure are based upon the longitudinal assessment of employees exposed to substances inducing late asthmatic reactions in bronchial provocation tests. It was the aim of this study to describe the course of immediate-type occupational asthma after a...

journal_title：American journal of respiratory and critical care medicine

authors： Merget R,Reineke M,Rueckmann A,Bergmann EM,Schultze-Werninghaus G

更新日期：1994-10-01 00:00:00

abstract：:Dysfunction of the muscles of ambulation contributes to exercise intolerance in chronic obstructive pulmonary disease (COPD). Men with COPD have high prevalence of low testosterone levels, which may contribute to muscle weakness. We determined effects of testosterone supplementation (100 mg of testosterone enanthate i...

journal_title：American journal of respiratory and critical care medicine

authors： Casaburi R,Bhasin S,Cosentino L,Porszasz J,Somfay A,Lewis MI,Fournier M,Storer TW

更新日期：2004-10-15 00:00:00

abstract：:The relationship of sleep-disordered breathing (SOB) to neuropsychological deficits was investigated with cross-sectional data from the Wisconsin Sleep Cohort Study, a population-based study of the natural history of SDB. A sample of 841 employed men and women ages 30 to 60 yr was studied by overnight polysomnography ...

journal_title：American journal of respiratory and critical care medicine

authors： Kim HC,Young T,Matthews CG,Weber SM,Woodward AR,Palta M

更新日期：1997-12-01 00:00:00

abstract：RATIONALE:Patients of Hispanic origin with cystic fibrosis (CF) are the largest growing minority, representing 8.5% of patients with CF in the United States. No national survival analysis of this group has ever been undertaken. OBJECTIVES:We aimed to determine whether Hispanic ethnicity within the CF population is ass...

journal_title：American journal of respiratory and critical care medicine

authors： Rho J,Ahn C,Gao A,Sawicki GS,Keller A,Jain R

更新日期：2018-10-15 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：:Viral respiratory tract infections are associated with an acute increase in airway responsiveness in normal subjects and patients with asthma. Airway responsiveness is also increased at least transiently in animals during acute viral infections. In this article, we discuss possible mechanisms whereby viral infections ...

journal_title：American journal of respiratory and critical care medicine

authors： Hegele RG,Hayashi S,Hogg JC,Paré PD

更新日期：1995-05-01 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 intestinal immune system discriminates between potentially harmful and harmless foreign proteins. The basis for this differential response may be related to the conditions of antigen presentation by antigen-presenting cells, as determined by their phenotype or activation state. How these conditions affect specific...

journal_title：American journal of respiratory and critical care medicine

authors： Smith KM,Eaton AD,Finlayson LM,Garside P

更新日期：2000-10-01 00:00:00

abstract：RATIONALE:Staphylococcus aureus is a major pathogen complicating postsurgical care. OBJECTIVES:To test the effect of sterile laparotomy (LAP) on pulmonary clearance of S. aureus in a murine model. METHODS:Control and LAP mice were infected intranasally with 10(8) cfu of S. aureus. Microbial clearance, pulmonary leuko...

journal_title：American journal of respiratory and critical care medicine

authors： Olszewski MA,Falkowski NR,Surana R,Sonstein J,Hartman A,Moore BB,Huffnagle GB,Toews GB

更新日期：2007-11-01 00:00:00

abstract：:Interleukin (IL)-1beta and tumor necrosis factor (TNF)-alpha released from alveolar macrophages (AM) in pulmonary tuberculosis (TB) are important in host defense against mycobacterial infection. Nitric oxide (NO) production is enhanced in AM of TB patients. We examined whether NO was implicated in (IL)-1beta and TNF-a...

journal_title：American journal of respiratory and critical care medicine

authors： Kuo HP,Wang CH,Huang KS,Lin HC,Yu CT,Liu CY,Lu LC

更新日期：2000-01-01 00:00:00

abstract：RATIONALE:IL-4 and IL-13 share many biological functions important in the development of allergic airway inflammation and are implicated in the pathogenesis of asthma. AMG 317 is a fully human monoclonal antibody to IL-4Ralpha that blocks both IL-4 and IL-13 pathways. OBJECTIVES:To evaluate efficacy and safety of AMG ...

journal_title：American journal of respiratory and critical care medicine

authors： Corren J,Busse W,Meltzer EO,Mansfield L,Bensch G,Fahrenholz J,Wenzel SE,Chon Y,Dunn M,Weng HH,Lin SL

更新日期：2010-04-15 00:00:00

abstract：RATIONALE:Identification of patients with drug-resistant pathogens at initial diagnosis is essential for treatment of pneumonia. OBJECTIVES:To elucidate clinical features of community-acquired pneumonia (CAP) and healthcare-associated pneumonia (HCAP), and to clarify risk factors for drug-resistant pathogens in patien...

journal_title：American journal of respiratory and critical care medicine

authors： Shindo Y,Ito R,Kobayashi D,Ando M,Ichikawa M,Shiraki A,Goto Y,Fukui Y,Iwaki M,Okumura J,Yamaguchi I,Yagi T,Tanikawa Y,Sugino Y,Shindoh J,Ogasawara T,Nomura F,Saka H,Yamamoto M,Taniguchi H,Suzuki R,Saito H,Kawa

更新日期：2013-10-15 00:00:00

abstract：RATIONALE:A loss of function mutation in the cystic fibrosis transmembrane conductance regulator gene is believed to be an independent risk factor for bone disease in patients with cystic fibrosis. OBJECTIVES:The objective of this work was to use congenic mice as a preclinical model to examine the bone phenotype of Cf...

journal_title：American journal of respiratory and critical care medicine

authors： Haston CK,Li W,Li A,Lafleur M,Henderson JE

更新日期：2008-02-01 00:00:00

abstract：:Airway remodeling may lead to irreversible loss of lung function in asthma. The impact of childhood asthma, airway responsiveness, atopy, and smoking on airway remodeling was investigated in a birth cohort studied longitudinally to age 26. A low postbronchodilator ratio of forced exhaled volume in 1 second (FEV1) to v...

journal_title：American journal of respiratory and critical care medicine

authors： Rasmussen F,Taylor DR,Flannery EM,Cowan JO,Greene JM,Herbison GP,Sears MR

更新日期：2002-06-01 00:00:00

abstract：:We prospectively analyzed the diagnostic yield and safety of ultrasound (US)-guided transthoracic needle aspiration biopsy in the histologic diagnosis of 40 patients with superior vena cava (SVC) syndrome. During a 4-yr period, 40 patients with SVC obstruction were admitted to National Taiwan University Hospital. Of t...

journal_title：American journal of respiratory and critical care medicine

authors： Ko JC,Yang PC,Yuan A,Chang DB,Yu CJ,Wu HD,Lee LN,Kuo SH,Luh KT

更新日期：1994-03-01 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：:Lipoteichoic acids (LTA) and peptidoglycans (PepG) are major components of the cell walls of gram-positive bacteria that trigger inflammatory responses in vitro. To study the in vivo effects of LTA and PepG from Staphylococcus aureus in lungs and to determine the role of interleukin (IL)-6 herein, these compounds were...

journal_title：American journal of respiratory and critical care medicine

authors： Leemans JC,Vervoordeldonk MJ,Florquin S,van Kessel KP,van der Poll T

更新日期：2002-05-15 00:00:00

abstract：:We investigated the relationship between annual change in pulmonary function and changes in respiratory symptoms among male grain elevator workers who participated in a health surveillance program mandated by Labour Canada. The surveillance was conducted every 3 yr starting from the period 1978 to 1981. The 1,211 work...

journal_title：American journal of respiratory and critical care medicine

authors： Senthilselvan A,Pahwa P,Wang P,McDuffie HH,Dosman JA

更新日期：1996-02-01 00:00:00

abstract：:Asthma and chronic bronchitis are inflammatory diseases with extracellular matrix (ECM) remodeling and collagen deposition. Collagen homeostasis is controlled by metalloproteinases (MMPs) and tissue inhibitors of metalloproteinases (TIMPs). We evaluated MMP and TIMP balance in induced sputum of 10 control, 31 untreate...

journal_title：American journal of respiratory and critical care medicine

authors： Vignola AM,Riccobono L,Mirabella A,Profita M,Chanez P,Bellia V,Mautino G,D'accardi P,Bousquet J,Bonsignore G

更新日期：1998-12-01 00:00:00

abstract：RATIONALE:Levels of the soluble form of the receptor for advanced glycation end-products (sRAGE) are elevated during acute respiratory distress syndrome (ARDS) and correlate with severity and prognosis. Alveolar fluid clearance (AFC) is necessary for the resolution of lung edema but is impaired in most patients with AR...

journal_title：American journal of respiratory and critical care medicine

authors： Jabaudon M,Blondonnet R,Roszyk L,Bouvier D,Audard J,Clairefond G,Fournier M,Marceau G,Déchelotte P,Pereira B,Sapin V,Constantin JM

更新日期：2015-07-15 00:00:00

abstract：:Hypersensitivity pneumonitis (HP) develops after inhalation of many different environmental antigens, causing variable clinical symptoms that often make diagnosis uncertain. The prevalence of HP is higher than recognized, especially its chronic form. Mechanisms of disease are still incompletely known. Strategies to im...

journal_title：American journal of respiratory and critical care medicine

authors： Fink JN,Ortega HG,Reynolds HY,Cormier YF,Fan LL,Franks TJ,Kreiss K,Kunkel S,Lynch D,Quirce S,Rose C,Schleimer RP,Schuyler MR,Selman M,Trout D,Yoshizawa Y

更新日期：2005-04-01 00:00:00

abstract：:Gold-induced pulmonary disease is difficult to diagnose, especially, in the case in which interstitial pneumonia appears in the course of gold therapy for rheumatoid arthritis. We analyzed the literature to define the clinical features and prognosis of gold-induced pulmonary disease, and to identify those features tha...

journal_title：American journal of respiratory and critical care medicine

authors： Tomioka R,King TE Jr

更新日期：1997-03-01 00:00:00

abstract：:The role of nutritional status in the prognosis of subjects with severe chronic obstructive pulmonary disease was studied in a cohort of Canadian men and women followed for 3 to 5 yr. A total of 348 subjects who were recruited for a study of negative pressure ventilation were evaluated for lung function and body weigh...

journal_title：American journal of respiratory and critical care medicine

authors： Gray-Donald K,Gibbons L,Shapiro SH,Macklem PT,Martin JG

更新日期：1996-03-01 00:00:00

abstract：:Previous studies have shown that the allergic late airway response (LR) is dependent on the leukotriene (LT) pathway in Brown Norway (BN) rats. In this same model, interleukin-2 (IL-2) has been shown to increase allergic airway responses without increasing LT production. This study examined the relationship between th...

journal_title：American journal of respiratory and critical care medicine

authors： Nag S,Lamkhioued B,Renzi PM

更新日期：2002-06-01 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：:Selected events in rhinovirus infection of the normal human airway can be regarded as occurring sequentially. Initial steps in rhinovirus pathogenesis are believed to include viral entry into the nose, mucociliary transport of virus to the posterior pharynx, and initiation of infection in ciliated and non-ciliated epi...

journal_title：American journal of respiratory and critical care medicine

authors： Gwaltney JM Jr

更新日期：1995-10-01 00:00:00

abstract：RATIONALE:It is hypothesized that the affective dimension of dyspnea (unpleasantness, emotional response) is not strictly dependent on the intensity of dyspnea. OBJECTIVES:We tested the hypothesis that the ratio of immediate unpleasantness (A(1)) to sensory intensity (SI) varies depending on the type of dyspnea. METH...

journal_title：American journal of respiratory and critical care medicine

authors： Banzett RB,Pedersen SH,Schwartzstein RM,Lansing RW

更新日期：2008-06-15 00:00:00