abstract：BACKGROUND:The clinical utility of bronchoalveolar lavage fluid (BAL) cell analysis for the diagnosis and management of patients with interstitial lung disease (ILD) has been a subject of debate and controversy. The American Thoracic Society (ATS) sponsored a committee of international experts to examine all relevant l...

journal_title：American journal of respiratory and critical care medicine

authors： Meyer KC,Raghu G,Baughman RP,Brown KK,Costabel U,du Bois RM,Drent M,Haslam PL,Kim DS,Nagai S,Rottoli P,Saltini C,Selman M,Strange C,Wood B,American Thoracic Society Committee on BAL in Interstitial Lung Disease.

更新日期：2012-05-01 00:00:00

abstract：RATIONALE:Neutrophils are key players in chronic obstructive pulmonary disease (COPD), and increased numbers of neutrophils are present in sputum and lung tissue of patients with COPD. Interestingly, immunoglobulin free light chains (IgLC) are able to prolong the life of neutrophils; therefore, IgLC may contribute to t...

journal_title：American journal of respiratory and critical care medicine

authors： Braber S,Thio M,Blokhuis BR,Henricks PA,Koelink PJ,Groot Kormelink T,Bezemer GF,Kerstjens HA,Postma DS,Garssen J,Kraneveld AD,Redegeld FA,Folkerts G

更新日期：2012-04-15 00:00:00

abstract：RATIONALE:Bronchial remodeling, including increased bronchial smooth muscle (BSM) mass, contributes to bronchial obstruction in asthma. However, its mechanisms are complex and remain controversial. Recently, a role of the chitinase 3-like 1 protein (YKL-40) has been evoked in asthma. Indeed, YKL-40 concentration was in...

journal_title：American journal of respiratory and critical care medicine

authors： Bara I,Ozier A,Girodet PO,Carvalho G,Cattiaux J,Begueret H,Thumerel M,Ousova O,Kolbeck R,Coyle AJ,Woods J,Tunon de Lara JM,Marthan R,Berger P

更新日期：2012-04-01 00:00:00

abstract：RATIONALE:Activin-A is up-regulated in various respiratory disorders. However, its precise role in pulmonary pathophysiology has not been adequately substantiated in vivo. OBJECTIVES:To investigate in vivo the consequences of dysregulated Activin-A expression in the lung and identify key Activin-A-induced processes th...

journal_title：American journal of respiratory and critical care medicine

authors： Apostolou E,Stavropoulos A,Sountoulidis A,Xirakia C,Giaglis S,Protopapadakis E,Ritis K,Mentzelopoulos S,Pasternack A,Foster M,Ritvos O,Tzelepis GE,Andreakos E,Sideras P

更新日期：2012-02-15 00:00:00

abstract：RATIONALE:Low blood levels of 25-hydroxyvitamin D (25[OH]D) have been associated with a higher risk of respiratory infections in general populations and higher risk of exacerbations of lung disease in people with asthma. We hypothesized that low blood levels of 25(OH)D in patients with chronic obstructive pulmonary dis...

journal_title：American journal of respiratory and critical care medicine

authors： Kunisaki KM,Niewoehner DE,Connett JE,COPD Clinical Research Network.

更新日期：2012-02-01 00:00:00

abstract：RATIONALE:An increasing number of persons, exposed to high altitude for leisure, sport, or work, may suffer from severe high-altitude illness. OBJECTIVES:To assess, in a large cohort of subjects, the association between physiological parameters and the risk of altitude illness and their discrimination ability in a ris...

journal_title：American journal of respiratory and critical care medicine

authors： Richalet JP,Larmignat P,Poitrine E,Letournel M,Canouï-Poitrine F

更新日期：2012-01-15 00:00:00

abstract：:We review recent advances in the use of corticosteroids (CS) in pediatric lung disease. CS are frequently used, systemically or by inhalation. Their mechanisms of action in pulmonary diseases are ill defined. CS exert direct inhibitory effects on many inflammatory cells through genomic mechanisms. There is a time lag ...

journal_title：American journal of respiratory and critical care medicine

authors： de Benedictis FM,Bush A

更新日期：2012-01-01 00:00:00

abstract：RATIONALE:Donor mesenchymal stromal/stem cell (MSC) expansion and fibrotic differentiation is associated with development of bronchiolitis obliterans syndrome (BOS) in human lung allografts. However, the regulators of fibrotic differentiation of these resident mesenchymal cells are not well understood. OBJECTIVES:This...

journal_title：American journal of respiratory and critical care medicine

authors： Walker NM,Badri LN,Wadhwa A,Wettlaufer S,Peters-Golden M,Lama VN

更新日期：2012-01-01 00:00:00

abstract：RATIONALE:Venous thromboembolism is difficult to diagnose in critically ill patients and may increase morbidity and mortality. OBJECTIVES:To evaluate the cost-effectiveness of strategies to reduce morbidity from venous thromboembolism in critically ill patients. METHODS:A Markov decision analytic model to compare wee...

journal_title：American journal of respiratory and critical care medicine

authors： Sud S,Mittmann N,Cook DJ,Geerts W,Chan B,Dodek P,Gould MK,Guyatt G,Arabi Y,Fowler RA,Canadian Critical Care Trials Group.,E-PROTECT Investigators.

更新日期：2011-12-01 00:00:00

abstract：RATIONALE:Sarcoidosis is a granulomatous disease of unknown etiology, although M. tuberculosis may play a role in the pathogenesis. The traditional view holds that inflammation in sarcoidosis is compartmentalized to involved organs. OBJECTIVES:To determine whether whole blood gene expression signatures reflect inflamm...

journal_title：American journal of respiratory and critical care medicine

authors： Koth LL,Solberg OD,Peng JC,Bhakta NR,Nguyen CP,Woodruff PG

更新日期：2011-11-15 00:00:00

abstract：RATIONALE:Although frequent, little is known about early-onset pneumonia that occurs in the postresuscitation period. Although induced hypothermia is recommended as a method of improving neurological outcome, its influence on the occurrence of early-onset pneumonia is not well defined. OBJECTIVES:To describe the incid...

journal_title：American journal of respiratory and critical care medicine

authors： Perbet S,Mongardon N,Dumas F,Bruel C,Lemiale V,Mourvillier B,Carli P,Varenne O,Mira JP,Wolff M,Cariou A

更新日期：2011-11-01 00:00:00

abstract：RATIONALE:Fluid accumulation in the legs and its overnight redistribution into the neck appears to play a causative role in obstructive sleep apnea (OSA) in sedentary men. Chronic venous insufficiency (CVI) promotes fluid accumulation in the legs that can be counteracted by compression stockings. OBJECTIVES:To test th...

journal_title：American journal of respiratory and critical care medicine

authors： Redolfi S,Arnulf I,Pottier M,Lajou J,Koskas I,Bradley TD,Similowski T

更新日期：2011-11-01 00:00:00

abstract：RATIONALE:Defining the biogeography of bacterial populations in human body habitats is a high priority for understanding microbial-host relationships in health and disease. The healthy lung was traditionally considered sterile, but this notion has been challenged by emerging molecular approaches that enable comprehensi...

journal_title：American journal of respiratory and critical care medicine

authors： Charlson ES,Bittinger K,Haas AR,Fitzgerald AS,Frank I,Yadav A,Bushman FD,Collman RG

更新日期：2011-10-15 00:00:00

abstract：RATIONALE:Lack of health insurance maybe an independent risk factor for mortality and differential treatment in critical illness. OBJECTIVES:To determine whether uninsured critically ill patients had differences in 30-day mortality and critical care service use compared with those with private insurance and to determi...

journal_title：American journal of respiratory and critical care medicine

authors： Lyon SM,Benson NM,Cooke CR,Iwashyna TJ,Ratcliffe SJ,Kahn JM

更新日期：2011-10-01 00:00:00

abstract：RATIONALE:During acute lung injury (ALI) the macrophage pool expands markedly as inflammatory monocytes migrate from the circulation to the airspaces. As inflammation resolves, macrophage numbers return to preinjury levels and normal tissue structure and function are restored. OBJECTIVES:To determine the fate of resid...

journal_title：American journal of respiratory and critical care medicine

authors： Janssen WJ,Barthel L,Muldrow A,Oberley-Deegan RE,Kearns MT,Jakubzick C,Henson PM

更新日期：2011-09-01 00:00:00

abstract：RATIONALE:Airway mucous cell metaplasia and chronic inflammation are pathophysiological features that influence morbidity and mortality associated with asthma and other chronic pulmonary disorders. Elucidation of the molecular mechanisms regulating mucous metaplasia and hypersecretion provides the scientific basis for ...

journal_title：American journal of respiratory and critical care medicine

authors： Maeda Y,Chen G,Xu Y,Haitchi HM,Du L,Keiser AR,Howarth PH,Davies DE,Holgate ST,Whitsett JA

更新日期：2011-08-15 00:00:00

abstract：RATIONALE:Extracellular nucleotides have recently been identified as proinflammatory mediators involved in asthma pathogenesis by signaling via purinergic receptors, but the role of the purinergic receptor type 6 (P2Y6R) has not been previously investigated. OBJECTIVES:To investigate the role of P2Y6R in asthma pathog...

journal_title：American journal of respiratory and critical care medicine

authors： Vieira RP,Müller T,Grimm M,von Gernler V,Vetter B,Dürk T,Cicko S,Ayata CK,Sorichter S,Robaye B,Zeiser R,Ferrari D,Kirschbaum A,Zissel G,Virchow JC,Boeynaems JM,Idzko M

更新日期：2011-07-15 00:00:00

abstract：RATIONALE:Despite intensive research, sepsis displays the most prevalent cause of death on intensive care units. The hallmark of sepsis is an overshooting T-cell death that reduces host defense mechanisms and that is associated with poor patient survival. Previous in vitro studies revealed that the expression of the tr...

journal_title：American journal of respiratory and critical care medicine

authors： Schmidt MV,Paulus P,Kuhn AM,Weigert A,Morbitzer V,Zacharowski K,Kempf VA,Brüne B,von Knethen A

更新日期：2011-07-01 00:00:00

abstract：RATIONALE:Acute lung injury (ALI) acts as a complex genetic trait, yet its genetic risk factors remain incompletely understood. Large-scale genotyping has not previously been reported for ALI. OBJECTIVES:To identify ALI risk variants after major trauma using a large-scale candidate gene approach. METHODS:We performed...

journal_title：American journal of respiratory and critical care medicine

authors： Meyer NJ,Li M,Feng R,Bradfield J,Gallop R,Bellamy S,Fuchs BD,Lanken PN,Albelda SM,Rushefski M,Aplenc R,Abramova H,Atochina-Vasserman EN,Beers MF,Calfee CS,Cohen MJ,Pittet JF,Christiani DC,O'Keefe GE,Ware LB,May AK

更新日期：2011-05-15 00:00:00

abstract：RATIONALE:The prevalence of vitamin D deficiency is increasing and has been linked to obstructive lung diseases including asthma and chronic obstructive pulmonary disease. Recent studies suggest that vitamin D deficiency is associated with reduced lung function. The relationship between vitamin D deficiency and lung fu...

journal_title：American journal of respiratory and critical care medicine

authors： Zosky GR,Berry LJ,Elliot JG,James AL,Gorman S,Hart PH

更新日期：2011-05-15 00:00:00

abstract：RATIONALE:Neutrophils are usually the first circulating leukocytes to respond during bacterial pneumonia. Their expression of oxidants, proteases, and other mediators present in granules is well documented, but their ability to produce mediators through transcription and translation after migration to an inflammatory s...

journal_title：American journal of respiratory and critical care medicine

authors： Yamada M,Gomez JC,Chugh PE,Lowell CA,Dinauer MC,Dittmer DP,Doerschuk CM

更新日期：2011-05-15 00:00:00

abstract：RATIONALE:There are no accepted blood-based biomarkers in chronic obstructive pulmonary disease (COPD). Pulmonary and activation-regulated chemokine (PARC/CCL-18) is a lung-predominant inflammatory protein that is found in serum. OBJECTIVES:To determine whether PARC/CCL-18 levels are elevated and modifiable in COPD an...

journal_title：American journal of respiratory and critical care medicine

authors： Sin DD,Miller BE,Duvoix A,Man SF,Zhang X,Silverman EK,Connett JE,Anthonisen NA,Wise RA,Tashkin D,Celli BR,Edwards LD,Locantore N,Macnee W,Tal-Singer R,Lomas DA,ECLIPSE Investigators.

更新日期：2011-05-01 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：RATIONALE:Patients with acute lung injury have impaired function of the lung surfactant system. Prior clinical trials have shown that treatment with exogenous recombinant surfactant protein C (rSP-C)-based surfactant results in improvement in blood oxygenation and have suggested that treatment of patients with severe d...

journal_title：American journal of respiratory and critical care medicine

authors： Spragg RG,Taut FJ,Lewis JF,Schenk P,Ruppert C,Dean N,Krell K,Karabinis A,Günther A

更新日期：2011-04-15 00:00:00

abstract：RATIONALE:Surfactant protein D (SP-D), a 43-kD collectin, is synthesized and secreted by airway epithelia as a dodecamer formed by assembly of four trimeric subunits. We have previously shown that the quaternary structure of SP-D can be altered during inflammatory lung injury through its modification by S-nitrosylation...

journal_title：American journal of respiratory and critical care medicine

authors： Atochina-Vasserman EN,Winkler C,Abramova H,Schaumann F,Krug N,Gow AJ,Beers MF,Hohlfeld JM

更新日期：2011-04-01 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：RATIONALE:Diesel motor exhaust is classified by the International Agency for Research on Cancer as probably carcinogenic to humans. The epidemiologic evidence is evaluated as limited because most studies lack adequate control for potential confounders and only a few studies have reported on exposure-response relationsh...

journal_title：American journal of respiratory and critical care medicine

authors： Olsson AC,Gustavsson P,Kromhout H,Peters S,Vermeulen R,Brüske I,Pesch B,Siemiatycki J,Pintos J,Brüning T,Cassidy A,Wichmann HE,Consonni D,Landi MT,Caporaso N,Plato N,Merletti F,Mirabelli D,Richiardi L,Jöckel KH,Ah

更新日期：2011-04-01 00:00:00

abstract：RATIONALE:Our understanding of how airway remodeling affects regional airway elastic properties is limited due to technical difficulties in quantitatively measuring dynamic, in vivo airway dimensions. Such knowledge could help elucidate mechanisms of excessive airway narrowing. OBJECTIVES:To use anatomical optical coh...

journal_title：American journal of respiratory and critical care medicine

authors： Williamson JP,McLaughlin RA,Noffsinger WJ,James AL,Baker VA,Curatolo A,Armstrong JJ,Regli A,Shepherd KL,Marks GB,Sampson DD,Hillman DR,Eastwood PR

更新日期：2011-03-01 00:00:00

abstract：RATIONALE:The impact of asthma on chronic lung function deficits is well known. However, there has been little study of ethnic differences in these asthma-associated deficits. OBJECTIVES:To examine whether there are ethnic differences in the effects of asthma on children's lung function. METHODS:We evaluated the impa...

journal_title：American journal of respiratory and critical care medicine

authors： Zhang Y,McConnell R,Gilliland F,Berhane K

更新日期：2011-03-01 00:00:00

abstract：RATIONALE:Previous studies have demonstrated a high prevalence of sleep apnea (SA) in patients with chronic heart failure (HF), which is associated with higher rates of morbidity, mortality, and health care use. OBJECTIVES:To investigate the reported incidence, treatment, outcomes, and economic cost of SA in new-onset...

journal_title：American journal of respiratory and critical care medicine

authors： Javaheri S,Caref EB,Chen E,Tong KB,Abraham WT

更新日期：2011-02-15 00:00:00

abstract：:Idiopathic pulmonary fibrosis (IPF) is a progressive, life-threatening, interstitial lung disease of unknown etiology. The median survival of patients with IPF is only 2 to 3 years, yet some patients live much longer. Respiratory failure resulting from disease progression is the most frequent cause of death. To date w...

journal_title：American journal of respiratory and critical care medicine

authors： Ley B,Collard HR,King TE Jr

更新日期：2011-02-15 00:00:00

abstract：RATIONALE:Severe asthma (SA) remains poorly understood. Mast cells (MC) are implicated in asthma pathogenesis, but it remains unknown how their phenotype, location, and activation relate to asthma severity. OBJECTIVES:To compare MC-related markers measured in bronchoscopically obtained samples with clinically relevant...

journal_title：American journal of respiratory and critical care medicine

authors： Balzar S,Fajt ML,Comhair SA,Erzurum SC,Bleecker E,Busse WW,Castro M,Gaston B,Israel E,Schwartz LB,Curran-Everett D,Moore CG,Wenzel SE

更新日期：2011-02-01 00:00:00

abstract：RATIONALE:Because of high mortality, end-of-life care is an important component of intensive care. OBJECTIVES:We evaluated the effectiveness of a quality-improvement intervention to improve intensive care unit (ICU) end-of-life care. METHODS:We conducted a cluster-randomized trial randomizing 12 hospitals. The interv...

journal_title：American journal of respiratory and critical care medicine

authors： Curtis JR,Nielsen EL,Treece PD,Downey L,Dotolo D,Shannon SE,Back AL,Rubenfeld GD,Engelberg RA

更新日期：2011-02-01 00:00:00

abstract：RATIONALE:Current thinking accredits eosinophils with preeminent contributions to allergic airway responses, including a major role in the development of airway remodeling, a process thought to significantly contribute to airway dysfunction. However, direct evidence in support of this notion is limited and often contro...

journal_title：American journal of respiratory and critical care medicine

authors： Fattouh R,Al-Garawi A,Fattouh M,Arias K,Walker TD,Goncharova S,Coyle AJ,Humbles AA,Jordana M

更新日期：2011-01-15 00:00:00

abstract：RATIONALE:chronic obstructive pulmonary disease (COPD), characterized by airflow limitation, is a disorder with high phenotypic and genetic heterogeneity. Pulmonary emphysema is a major but variable component of COPD; familial data suggest that different components of COPD, such as emphysema, may be influenced by speci...

journal_title：American journal of respiratory and critical care medicine

authors： Kong X,Cho MH,Anderson W,Coxson HO,Muller N,Washko G,Hoffman EA,Bakke P,Gulsvik A,Lomas DA,Silverman EK,Pillai SG,ECLIPSE Study NETT Investigators.

更新日期：2011-01-01 00:00:00

abstract：RATIONALE:Peroxisome proliferator-activated receptor (PPAR)-β/δ is a transcription factor that belongs to the PPAR nuclear hormone receptor family, but the role of PPAR-β/δ in sepsis is unknown. OBJECTIVES:We investigated the role of PPAR-β/δ in murine models of LPS-induced organ injury and dysfunction and cecal ligat...

journal_title：American journal of respiratory and critical care medicine

authors： Kapoor A,Shintani Y,Collino M,Osuchowski MF,Busch D,Patel NS,Sepodes B,Castiglia S,Fantozzi R,Bishop-Bailey D,Mota-Filipe H,Yaqoob MM,Suzuki K,Bahrami S,Desvergne B,Mitchell JA,Thiemermann C

更新日期：2010-12-15 00:00:00

abstract：RATIONALE:Controlled mechanical ventilation (CMV) results in atrophy of the human diaphragm. The autophagy-lysosome pathway (ALP) contributes to skeletal muscle proteolysis, but its contribution to diaphragmatic protein degradation in mechanically ventilated patients is unknown. OBJECTIVES:To evaluate the autophagy pa...

journal_title：American journal of respiratory and critical care medicine

authors： Hussain SN,Mofarrahi M,Sigala I,Kim HC,Vassilakopoulos T,Maltais F,Bellenis I,Chaturvedi R,Gottfried SB,Metrakos P,Danialou G,Matecki S,Jaber S,Petrof BJ,Goldberg P

更新日期：2010-12-01 00:00:00

abstract：RATIONALE:Respiratory syncytial virus (RSV) is the leading cause of childhood lower respiratory infection, yet viable therapies are lacking. Two major challenges have stalled antiviral development: ethical difficulties in performing pediatric proof-of-concept studies and the prevailing concept that the disease is immun...

journal_title：American journal of respiratory and critical care medicine

authors： DeVincenzo JP,Wilkinson T,Vaishnaw A,Cehelsky J,Meyers R,Nochur S,Harrison L,Meeking P,Mann A,Moane E,Oxford J,Pareek R,Moore R,Walsh E,Studholme R,Dorsett P,Alvarez R,Lambkin-Williams R

更新日期：2010-11-15 00:00:00

abstract：RATIONALE:Patients with obstructive sleep apnea (OSA) adapt to the anatomical vulnerability of their upper airway by generating increased activity in upper airway-dilating muscles during wakefulness. Norepinephrine (NE) and serotonin (5-HT) mediate, through α₁-adrenergic and 5-HT₂A receptors, a wake-related excitatory ...

journal_title：American journal of respiratory and critical care medicine

authors： Rukhadze I,Fenik VB,Benincasa KE,Price A,Kubin L

更新日期：2010-11-15 00:00:00

abstract：RATIONALE:Tissue injury and repair involve highly conserved processes governed by mechanisms that can be co-opted in tumors. We hypothesized that soluble factors released during the repair response to lung injury would promote orthotopic tumor growth. OBJECTIVES:To determine whether lung injury promoted growth of orth...

journal_title：American journal of respiratory and critical care medicine

authors： Arenberg D,Luckhardt TR,Carskadon S,Zhao L,Amin MA,Koch AE

更新日期：2010-10-15 00:00:00