Nocturnal oxygenation and prognosis in Duchenne muscular dystrophy.

abstract：:Products of the prostaglandin H synthase (PGHS) metabolic pathway are thought to play a role in the pathogenesis of asthma. We determined the level of expression of the constitutive (PGHS-1) and inducible (PGHS-2) isoforms of the enzyme in induced sputum and bronchial biopsies of patients with asthma, patients with ch...

journal_title：American journal of respiratory and critical care medicine

authors： Taha R,Olivenstein R,Utsumi T,Ernst P,Barnes PJ,Rodger IW,Giaid A

更新日期：2000-02-01 00:00:00

abstract：RATIONALE:North American occupational health programs that switched from the tuberculin skin test (TST) to IFN-γ release assays for latent tuberculosis screening are reporting challenges with interpretation of serial testing results in healthcare workers (HCWs). However, limited data exist on the reproducibility of ser...

journal_title：American journal of respiratory and critical care medicine

authors： Slater ML,Welland G,Pai M,Parsonnet J,Banaei N

更新日期：2013-10-15 00:00:00

abstract：:Studies have shown evidence of significant parent-offspring and sibling correlation in FEV1, but familial aggregation of decline of FEV1 over time has not been reported. Our study population comprised 392 families enrolled in the Tucson Epidemiological Study of Airway Obstructive Diseases. Subjects were older than 18 ...

journal_title：American journal of respiratory and critical care medicine

authors： Kurzius-Spencer M,Sherrill DL,Holberg CJ,Martinez FD,Lebowitz MD

更新日期：2001-10-01 00:00:00

abstract：:The purpose of this study was to describe the nature of diaphragm injury, to quantify the injury and number of macrophages at the light microscopic level, and to determine their association with airflow obstruction in humans. Partial-thickness diaphragm biopsies were obtained from 21 subjects going for thoracotomy sur...

journal_title：American journal of respiratory and critical care medicine

authors： Macgowan NA,Evans KG,Road JD,Reid WD

更新日期：2001-06-01 00:00:00

abstract：:Tracheal gas insufflation (TGI) has been recommended as an adjunct to mechanical ventilation in the presence of elevated Pa CO2. Based on our initial clinical experience with continuous flow TGI and pressure control ventilation (PCV), we were concerned about elevation in peak airway pressure as TGI was applied. In a l...

journal_title：American journal of respiratory and critical care medicine

authors： Imanaka H,Kacmarek RM,Ritz R,Hess D

更新日期：1996-03-01 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：:To investigate the annual decline of lung function in subjects with self-reported asthma, we analyzed data from a longitudinal epidemiologic study. The Copenhagen City Heart Study. The study sample consisted of 10,952 subjects (4,824 men), 20 to 90 yr of age, randomly selected from the city of Copenhagen followed over...

journal_title：American journal of respiratory and critical care medicine

authors： Ulrik CS,Lange P

更新日期：1994-09-01 00:00:00

abstract：RATIONALE:Daily azithromycin decreases acute exacerbations of chronic obstructive pulmonary disease (AECOPD), but long-term side effects are unknown. OBJECTIVES:To identify the types of exacerbations most likely to be reduced and clinical subgroups most likely to benefit from azithromycin, 250 mg daily, added to usual...

journal_title：American journal of respiratory and critical care medicine

authors： Han MK,Tayob N,Murray S,Dransfield MT,Washko G,Scanlon PD,Criner GJ,Casaburi R,Connett J,Lazarus SC,Albert R,Woodruff P,Martinez FJ

更新日期：2014-06-15 00:00:00

abstract：:A noninvasive method to characterize inflammation and infection in the airways of nonexpectorating children with cystic fibrosis (CF) is needed for clinical and research purposes. Accordingly, we performed sputum inductions by administering 3% saline to 11 healthy control children and 20 children with CF, composed of ...

journal_title：American journal of respiratory and critical care medicine

authors： Sagel SD,Kapsner R,Osberg I,Sontag MK,Accurso FJ

更新日期：2001-10-15 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：:Typical for critical illnesses are substantial alterations within the hypothalamic-anterior pituitary-peripheral hormonal axes that are proportionate to the risk of poor outcome. These neuroendocrine responses to critical illness follow a biphasic pattern. The acute phase (first hours to days) is characterized by an i...

journal_title：American journal of respiratory and critical care medicine

authors： Van den Berghe G

更新日期：2016-12-01 00:00:00

abstract：:We measured the plasma levels of adrenomedullin (AM), a novel vasodilating peptide, in 89 patients with various forms of systemic inflammatory response syndrome (SIRS) and 13 healthy volunteers serving as controls. Plasma levels of AM in SIRS (burns: 20.5 +/- 3. 2 fmol/ml [mean +/- SEM]; pancreatitis: 13.8 +/- 3.8 fmo...

journal_title：American journal of respiratory and critical care medicine

authors： Ueda S,Nishio K,Minamino N,Kubo A,Akai Y,Kangawa K,Matsuo H,Fujimura Y,Yoshioka A,Masui K,Doi N,Murao Y,Miyamoto S

更新日期：1999-07-01 00:00:00

abstract：:Rationale: Mathematical modeling is used to understand disease dynamics, forecast trends, and inform public health prioritization. We conducted a comparative analysis of tuberculosis (TB) epidemiology and potential intervention effects in California, using three previously developed epidemiologic models of TB.Objectiv...

journal_title：American journal of respiratory and critical care medicine

authors： Menzies NA,Parriott A,Shrestha S,Dowdy DW,Cohen T,Salomon JA,Marks SM,Hill AN,Winston CA,Asay GR,Barry P,Readhead A,Flood J,Kahn JG,Shete PB

更新日期：2020-02-01 00:00:00

abstract：:Genetic factors are likely to contribute to the variable presentation of community-acquired pneumonia (CAP). The purpose of this prospective cohort study was to determine whether the LTalpha+250 (TNFbeta+250) and TNFalpha-308 gene polymorphisms are associated with different presentations of CAP. Septic shock (SS) was ...

journal_title：American journal of respiratory and critical care medicine

authors： Waterer GW,Quasney MW,Cantor RM,Wunderink RG

更新日期：2001-06-01 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：: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：:The upper airway undergoes progressive changes during childhood. Using magnetic resonance imaging (MRI), we studied the growth relationships of the tissues surrounding the upper airway (bone and soft tissues) in 92 normal children (47% males; range, 1 to 11 yr) who underwent brain MRI. None had symptoms of sleep-disor...

journal_title：American journal of respiratory and critical care medicine

authors： Arens R,McDonough JM,Corbin AM,Hernandez ME,Maislin G,Schwab RJ,Pack AI

更新日期：2002-01-01 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

abstract：:Phosphodiesterase (PDE)-5 degrades guanosine 3',5'cyclic monophosphate (cGMP) and its inhibitor sildenafil citrate (Viagra) treats erectile dysfunction by smooth muscle relaxation through elevated cGMP. Sildenafil was examined in two guinea pig models of airways disease: guinea pigs exposed to LPS or sensitized guinea...

journal_title：American journal of respiratory and critical care medicine

authors： Toward TJ,Smith N,Broadley KJ

更新日期：2004-01-15 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：:Rationale: Guidelines for vasopressor titration suggest a universal target-mean arterial pressure (MAP) >65 mm Hg. The implications for patients with premorbid low/high blood pressure are unknown.Objectives: To investigate the relationship between premorbid blood pressure and vasopressor duration for patients with sho...

journal_title：American journal of respiratory and critical care medicine

authors： Gershengorn HB,Stelfox HT,Niven DJ,Wunsch H

更新日期：2020-07-01 00:00:00

abstract：:Sarcoidosis is a systemic disorder of unknown origin, primarily affecting the lungs. The granulomatous inflammation is driven by the interplay between various molecules and cells, including T cells. Previously, our group reported a close correlation between lung-restricted T-cell receptor (TCR) AV2S3 CD4-positive T-ce...

journal_title：American journal of respiratory and critical care medicine

authors： Katchar K,Wahlström J,Eklund A,Grunewald J

更新日期：2001-06-01 00:00:00

abstract：:Normoxic lung ischemia/reperfusion (I/R) leads to oxidative injury of the pulmonary tissue. We analyzed angiotensin-converting enzyme (ACE) in perfused rat lungs upon I/R in order to assess the endothelial injury produced. I/R led to a time-dependent increase in ACE activity in the perfusate, from 145+/-14 mU to 252+/...

journal_title：American journal of respiratory and critical care medicine

authors： Atochina EN,Muzykantov VR,Al-Mehdi AB,Danilov SM,Fisher AB

更新日期：1997-10-01 00:00:00

abstract：:Increased serum levels of mucin-associated antigen have been previously demonstrated in patients with cystic fibrosis (CF) and interstitial pneumonia, and in lung-transplant recipients. The present study assessed the serum airway mucin levels in patients with acute respiratory distress syndrome (ARDS). An enzyme-linke...

journal_title：American journal of respiratory and critical care medicine

authors： Shih JY,Yang SC,Yu CJ,Wu HD,Liaw YS,Wu R,Yang PC

更新日期：1997-11-01 00:00:00

abstract：:We prospectively investigated the mechanism of airflow limitation before and after targeted emphysematous resection in 12 consecutively studied adult patients 68 +/- 4 yr of age (mean +/- SD) with very severe COPD undergoing bilateral thoracoscopic stapling techniques. Lung function, static lung elastic recoil, and ai...

journal_title：American journal of respiratory and critical care medicine

authors： Gelb AF,Zamel N,McKenna RJ Jr,Brenner M

更新日期：1996-10-01 00:00:00

abstract：:Rationale: Chronic obstructive pulmonary disease (COPD) has been associated with numerous genetic variants, yet the extent to which its genetic risk is mediated by variation in lung structure remains unknown.Objectives: To characterize associations between a genetic risk score (GRS) associated with COPD susceptibility...

journal_title：American journal of respiratory and critical care medicine

authors： Oelsner EC,Ortega VE,Smith BM,Nguyen JN,Manichaikul AW,Hoffman EA,Guo X,Taylor KD,Woodruff PG,Couper DJ,Hansel NN,Martinez FJ,Paine R 3rd,Han MK,Cooper C,Dransfield MT,Criner G,Krishnan JA,Bowler R,Bleecker ER,Pet

更新日期：2019-09-15 00:00:00

abstract：:Female Fisher 344 rats (n = 25) were inoculated intrapleurally with a single 20-mg dose of (JM-100) fibrous glass. The mean length (2.2 microns) and width (0.15 microns) of the fibrous glass particles was within respirable range. Following inoculation, the rats were killed at timed intervals ranging from 2 to 430 d fr...

journal_title：American journal of respiratory and critical care medicine

authors： Fraire AE,Greenberg SD,Spjut HJ,Roggli VL,Dodson RF,Cartwright J,Williams G,Baker S

更新日期：1994-08-01 00:00:00

abstract：:A higher exposure to endotoxin was hypothesized to contribute to lower prevalence of allergic sensitization and hay fever in children growing up on a farm. We studied the association between house dust endotoxin and allergic sensitization. We randomly selected 740 children, aged between 5 and 10 years, from a group of...

journal_title：American journal of respiratory and critical care medicine

authors： Gehring U,Bischof W,Fahlbusch B,Wichmann HE,Heinrich J

更新日期：2002-10-01 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:Inhibition of pharyngeal motoneurons accompanies REM sleep and is a cause of hypoventilation and obstructive sleep apnea in humans. One explanation posits that the neurotransmitters glycine and γ-aminobutyric acid are responsible for REM sleep motor inhibition. However, blockade of that mechanism at cranial m...

journal_title：American journal of respiratory and critical care medicine

authors： Grace KP,Hughes SW,Horner RL

更新日期：2013-02-01 00:00:00