Genioglossal but not palatal muscle activity relates closely to pharyngeal pressure.

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：:Isoniazid taken daily for 12 mo and isoniazid and rifampin taken daily for 4 mo are both recommended options for patients with radiographic evidence of previous tuberculosis and positive tuberculin skin tests who have not had prior treatment. We compared the completion rates, number of adverse effects, and cost effect...

journal_title：American journal of respiratory and critical care medicine

authors： Jasmer RM,Snyder DC,Chin DP,Hopewell PC,Cuthbert SS,Antonio Paz E,Daley CL

更新日期：2000-11-01 00:00:00

abstract：:This study was designed to evaluate the value and applicability of tidal breathing pattern analysis to assess airflow obstruction in young children. The time needed to reach maximal tidal expiratory flow (TME) divided by total expiratory time (TE) was measured in 228 healthy children 3 to 11 yr of age, 64 patients wit...

journal_title：American journal of respiratory and critical care medicine

authors： van der Ent CK,Brackel HJ,van der Laag J,Bogaard JM

更新日期：1996-04-01 00:00:00

abstract：RATIONALE:Incident pulmonary arterial hypertension was underrepresented in most pulmonary hypertension registries and may have a different disease profile to prevalent disease. OBJECTIVES:To determine the characteristics and outcome of a purely incident, treatment-naive cohort of idiopathic, heritable, and anorexigen-...

journal_title：American journal of respiratory and critical care medicine

authors： Ling Y,Johnson MK,Kiely DG,Condliffe R,Elliot CA,Gibbs JS,Howard LS,Pepke-Zaba J,Sheares KK,Corris PA,Fisher AJ,Lordan JL,Gaine S,Coghlan JG,Wort SJ,Gatzoulis MA,Peacock AJ

更新日期：2012-10-15 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：: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：:Studies of the hemodynamic effects of nasal continuous positive airway pressure (n-CPAP) in normal subjects have had conflicting results. The largest study (n = 19) found no effect of up to 15 cm H2O on heart rate (HR), cardiac stroke volume (SV), or cardiac index. We hypothesized that n-CPAP, by increasing intrathora...

journal_title：American journal of respiratory and critical care medicine

authors： Montner PK,Greene ER,Murata GH,Stark DM,Timms M,Chick TW

更新日期：1994-06-01 00:00:00

abstract：RATIONALE:Extensively drug-resistant (XDR) tuberculosis (TB) may arise in individuals on treatment for multidrug-resistant (MDR) TB. Preventing this amplification of resistance will likely improve clinical outcomes and delay the secondary spread of XDR-TB. OBJECTIVES:To measure the proportion of individuals that devel...

journal_title：American journal of respiratory and critical care medicine

authors： Shin SS,Keshavjee S,Gelmanova IY,Atwood S,Franke MF,Mishustin SP,Strelis AK,Andreev YG,Pasechnikov AD,Barnashov A,Tonkel TP,Cohen T

更新日期：2010-08-01 00:00:00

abstract：INTRODUCTION:Proteinases with a disintegrin and a metalloproteinase domain (ADAMs) have not been well studied in COPD. We investigated whether ADAM9 is linked to COPD in humans and mice. METHODS:ADAM9 blood and lung levels were measured in COPD patients versus controls, and air- versus cigarette smoke (CS)-exposed wil...

journal_title：American journal of respiratory and critical care medicine

authors： Wang X,Polverino F,Rojas-Quintero J,Zhang D,Sánchez J,Yambayev I,Lindqvist E,Virtala R,Djukanovic R,Davies DE,Wilson S,O'Donnell R,Cunoosamy D,Hazon P,Higham A,Singh D,Olsson H,Owen CA

更新日期：2018-06-04 00:00:00

abstract：RATIONALE:Superoxide dismutase (SOD) 3 inhibits oxidative fragmentation of lung matrix components collagen I, hyaluronan, and heparan sulfate. Inherited change in SOD3 expression or function could affect lung matrix homeostasis and influence pulmonary function. OBJECTIVES:To identify novel SOD3 polymorphisms that are ...

journal_title：American journal of respiratory and critical care medicine

authors： Dahl M,Bowler RP,Juul K,Crapo JD,Levy S,Nordestgaard BG

更新日期：2008-11-01 00:00:00

abstract：:Relaxation was examined in diaphragm muscle strips of cardiomyopathic Syrian hamsters and control hamsters. Isotonic lengthening velocity and isometric tension decay were analyzed over the load continuum in response to twitch. For each load level (P), we measured the maximum extent of shortening (deltaL), the peak len...

journal_title：American journal of respiratory and critical care medicine

authors： Coirault C,Chemla D,Pourny JC,Lambert F,Riou B,Lecarpentier Y

更新日期：1997-05-01 00:00:00

abstract：:Epidemiological data indicate that living or working in a moldy building is associated with increased risk of respiratory symptoms and disease related to inflammatory reactions, but biochemical evidence linking cause and effect is still scarce. The staff working in a mold-contaminated school, and a reference group wit...

journal_title：American journal of respiratory and critical care medicine

authors： Hirvonen MR,Ruotsalainen M,Roponen M,Hyvärinen A,Husman T,Kosma VM,Komulainen H,Savolainen K,Nevalainen A

更新日期：1999-12-01 00:00:00

abstract：:In animal models of endotoxemia, sepsis is associated with the accumulation of leukocytes and altered microvascular perfusion. In order to test the hypothesis that bacterial sepsis upregulates leukocyte-endothelial adhesion, we used intravital microscopy to examine the flow behavior of leukocytes in the postcapillary ...

journal_title：American journal of respiratory and critical care medicine

authors： Piper RD,Pitt-Hyde ML,Anderson LA,Sibbald WJ,Potter RF

更新日期：1998-01-01 00:00:00

abstract：:The cells and proteases that mediate cigarette smoke-induced emphysema are controversial, with evidence favoring either neutrophils and neutrophil-derived serine proteases or macrophages and macrophage-derived metalloproteases as the important effectors. We recently reported that both macrophage metalloelastase (MMP-1...

journal_title：American journal of respiratory and critical care medicine

authors： Churg A,Wang RD,Tai H,Wang X,Xie C,Dai J,Shapiro SD,Wright JL

更新日期：2003-04-15 00:00:00

abstract：:There is a subgroup of cigarette smokers who are more susceptible than others to the deleterious effects of cigarette smoke and to chronic airflow obstruction. The study of histopathologic and physiologic differences between these "susceptible" smokers and "resistant" smokers, who do not develop clinically significant...

journal_title：American journal of respiratory and critical care medicine

authors： Aguayo SM

更新日期：1994-06-01 00:00:00

abstract：:Mechanical ventilation may promote overdistension-induced pulmonary lesions in patients with acute respiratory distress syndrome (ARDS). The static pressure-volume (P-V) curve of the respiratory system can be used to determine the lung volume and corresponding static airway pressure at which lung compliance begins to ...

journal_title：American journal of respiratory and critical care medicine

authors： Roupie E,Dambrosio M,Servillo G,Mentec H,el Atrous S,Beydon L,Brun-Buisson C,Lemaire F,Brochard L

更新日期：1995-07-01 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：:The role of strain difference in the response to cigarette smoke was investigated in mice. Mice of the strains DBA/2 and C57BL/6J responded to acute cigarette smoke with a decrease of the antioxidant defenses of their bronchoalveolar lavage (BAL) fluids. On the other hand, under these conditions ICR mice increased the...

journal_title：American journal of respiratory and critical care medicine

authors： Cavarra E,Bartalesi B,Lucattelli M,Fineschi S,Lunghi B,Gambelli F,Ortiz LA,Martorana PA,Lungarella G

更新日期：2001-09-01 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：:Currently the diagnosis of chronic obstructive pulmonary disease (COPD) requires the demonstration of airflow limitation, defined as a post-bronchodilator FEV1/FVC <0.7, a measurement that remains methodologically robust and widely available. FEV1 is one of the most powerful predictors of clinically relevant outcomes ...

journal_title：American journal of respiratory and critical care medicine

authors： Han MK,Agusti A,Celli BR,Criner GJ,Halpin DMG,Roche N,Papi A,Stockley RA,Wedzicha J,Vogelmeier CF

更新日期：2020-11-19 00:00:00

abstract：RATIONALE:In 1989, the United States embarked upon an ambitious path to eliminate tuberculosis (TB) nationwide. Although incidence rates of TB disease in the United States are declining, these cases represent only a tiny fraction of all TB infections. Understanding national trends in TB infection may be important in an...

journal_title：American journal of respiratory and critical care medicine

authors： Khan K,Wang J,Hu W,Bierman A,Li Y,Gardam M

更新日期：2008-02-15 00:00:00

abstract：:The effect of 3-aminobenzamide, an inhibitor of poly (ADP-ribose) synthetase activity, was evaluated in a rat model of laryngeal injury induced by endotracheal intubation for 1 h. At 1 h after extubation, the laryngeal damage was characterized by areas of mucosal necrosis, submucosal edema, swelling of subglottic glan...

journal_title：American journal of respiratory and critical care medicine

authors： Stern Y,Salzman A,Cotton RT,Zingarelli B

更新日期：1999-11-01 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：:Although impairment of gas exchange caused by ventilation-perfusion (VA/Q) mismatch has been extensively analyzed, there have been no systematic studies focused on determining the distributions of diffusion properties in dose connection with those of VA/Q. We attempted to clarify the simultaneous distributions of VA/Q...

journal_title：American journal of respiratory and critical care medicine

authors： Yamaguchi K,Mori M,Kawai A,Takasugi T,Oyamada Y,Koda E

更新日期：1997-07-01 00:00:00

abstract：RATIONALE:Very little is known about airways that are too small to be visible on thoracic multidetector computed tomography but larger than the terminal bronchioles. OBJECTIVES:To examine the structure of preterminal bronchioles located one generation proximal to terminal bronchioles in centrilobular and panlobular em...

journal_title：American journal of respiratory and critical care medicine

authors： Tanabe N,Vasilescu DM,McDonough JE,Kinose D,Suzuki M,Cooper JD,Paré PD,Hogg JC

更新日期：2017-03-01 00:00:00

abstract：RATIONALE:Severe pulmonary arterial hypertension (PAH) is characterized by the formation of plexiform lesions and concentric intimal fibrosis in small pulmonary arteries. The origin of cells contributing to these vascular lesions is uncertain. Endogenous endothelial progenitor cells are potential contributors to this p...

journal_title：American journal of respiratory and critical care medicine

authors： Toshner M,Voswinckel R,Southwood M,Al-Lamki R,Howard LS,Marchesan D,Yang J,Suntharalingam J,Soon E,Exley A,Stewart S,Hecker M,Zhu Z,Gehling U,Seeger W,Pepke-Zaba J,Morrell NW

更新日期：2009-10-15 00:00:00

abstract：:Calculation of diurnal peak expiratory flow (PEF) variability using values before and after bronchodilator is no longer possible for many asthmatic patients because they now use beta-agonists "as needed" for symptoms rather than regularly. This study assesses the usefulness of a number of alternative PEF indices as ma...

journal_title：American journal of respiratory and critical care medicine

authors： Reddel HK,Salome CM,Peat JK,Woolcock AJ

更新日期：1995-05-01 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：:On the basis of studies with animal models, the gene for the low-affinity receptor for immunoglobulin E (IgE) (FCER2, CD23) has been implicated as a candidate for IgE-mediated allergic diseases and bronchial hyperreactivity, or related traits. Given evidence for genetic complexity in atopic disorders, we sought to stu...

journal_title：American journal of respiratory and critical care medicine

authors： Laitinen T,Ollikainen V,Lázaro C,Kauppi P,de Cid R,Antó JM,Estivill X,Lokki H,Mannila H,Laitinen LA,Kere J

更新日期：2000-03-01 00:00:00

abstract：RATIONALE:Tissue resident memory T cells play a critical role in the defense against inhaled pathogens. The isolation and study of human lung tissue resident memory T cells and lung resident macrophages is limited by experimental constraints. OBJECTIVES:To characterize the spatial and functional relationship between l...

journal_title：American journal of respiratory and critical care medicine

authors： Snyder ME,Sembrat J,Noda K,Myerburg MM,Craig A,Mitash N,Harano T,Furukawa M,Pilewski J,McDyer J,Rojas M,Sanchez P

更新日期：2020-12-11 00:00:00