abstract：:To compare the effectiveness of information delivered to family members of critically ill patients by junior and senior physicians, we performed a prospective randomized multicenter trial in 11 French intensive care units. Patients (n = 220) were allocated at random to having their family members receive information b...

journal_title：American journal of respiratory and critical care medicine

authors： Moreau D,Goldgran-Toledano D,Alberti C,Jourdain M,Adrie C,Annane D,Garrouste-Orgeas M,Lefrant JY,Papazian L,Quinio P,Pochard F,Azoulay E

更新日期：2004-02-15 00:00:00

abstract：:In addition to its central role in hemostasis, thrombin may play a role in inflammation and remodeling. To investigate the contribution of thrombin to allergic airway inflammation in asthma, we used an enzymatic assay to determine thrombin activity in bronchoalveolar lavage fluid obtained from 19 subjects with atopic ...

journal_title：American journal of respiratory and critical care medicine

authors： Terada M,Kelly EA,Jarjour NN

更新日期：2004-02-01 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：:The low-affinity IgG Fc receptor, FcgammaRIIB, displays inhibitory potential in experimental models such as autoimmune diseases. However, whether this receptor is involved in the onset of allergic diseases remains unknown. This study examines the role of FcgammaRIIB in the initiation of allergic rhinitis in mice. Repe...

journal_title：American journal of respiratory and critical care medicine

authors： Watanabe T,Okano M,Hattori H,Yoshino T,Ohno N,Ohta N,Sugata Y,Orita Y,Takai T,Nishizaki K

更新日期：2004-01-01 00:00:00

abstract：:The number of alveoli is a key structural determinant of lung architecture. A design-based stereologic approach was used for the direct and unbiased estimation of alveolar number in the human lung. The principle is based on two-dimensional topology in three-dimensional space and is free of assumptions on the shape, si...

journal_title：American journal of respiratory and critical care medicine

authors： Ochs M,Nyengaard JR,Jung A,Knudsen L,Voigt M,Wahlers T,Richter J,Gundersen HJ

更新日期：2004-01-01 00:00:00

abstract：:The pathophysiology of impaired exercise tolerance in patients with cystic fibrosis (CF) is not completely understood. The objective of this study was to compare exercise ability (at clinical and cellular levels) and resting energy expenditure in female athletes with CF compared with matched control subjects. Sixteen ...

journal_title：American journal of respiratory and critical care medicine

authors： Selvadurai HC,Allen J,Sachinwalla T,Macauley J,Blimkie CJ,Van Asperen PP

更新日期：2003-12-15 00:00:00

abstract：:Lymphangioleiomyomatosis (LAM), a disease that occurs primarily in women, is characterized by cystic lung lesions causing respiratory failure, which may require lung transplantation. Lung diffusion (DLCO) and/or FEV1 are decreased, but frequently not in parallel with each other. Because cardiopulmonary exercise testin...

journal_title：American journal of respiratory and critical care medicine

authors： Taveira-DaSilva AM,Stylianou MP,Hedin CJ,Kristof AS,Avila NA,Rabel A,Travis WD,Moss J

更新日期：2003-12-15 00:00:00

abstract：:Short-term increases in particulate air pollution are associated with increased incidence of cardiovascular events. Previously, we showed that intratracheally instilled diesel exhaust particles (DEPs) are prothrombotic. Here, we investigated the time course and the mechanisms. At 1, 6, and 24 hours after instillation ...

journal_title：American journal of respiratory and critical care medicine

authors： Nemmar A,Nemery B,Hoet PH,Vermylen J,Hoylaerts MF

更新日期：2003-12-01 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：:Heart failure is associated with Cheyne-Stokes breathing, which fragments patients' sleep. Correction of respiratory disturbance may reduce sleep fragmentation and excessive daytime sleepiness. This randomized prospective parallel trial assesses whether nocturnal-assist servoventilation improves daytime sleepiness com...

journal_title：American journal of respiratory and critical care medicine

authors： Pepperell JC,Maskell NA,Jones DR,Langford-Wiley BA,Crosthwaite N,Stradling JR,Davies RJ

更新日期：2003-11-01 00:00:00

abstract：:Cilomilast (Ariflo), a new oral phosphodiesterase-4 selective inhibitor, improves lung function in chronic obstructive pulmonary disease (COPD). We have evaluated its antiinflammatory effects in 59 patients with COPD randomized to receive cilomilast, 15 mg two times a day, or placebo for 12 weeks. Induced sputum diffe...

journal_title：American journal of respiratory and critical care medicine

authors： Gamble E,Grootendorst DC,Brightling CE,Troy S,Qiu Y,Zhu J,Parker D,Matin D,Majumdar S,Vignola AM,Kroegel C,Morell F,Hansel TT,Rennard SI,Compton C,Amit O,Tat T,Edelson J,Pavord ID,Rabe KF,Barnes NC,Jeffery PK

更新日期：2003-10-15 00:00:00

abstract：:We found that continuous eosinophilic inflammation after repeated antigen instillation into the nose was observed only in A/J mice, not in three other strains. Histologic analysis of tissues from A/J mice revealed features typical of airway remodeling, i.e., airway wall thickening and increased collagen depositions we...

journal_title：American journal of respiratory and critical care medicine

authors： Shinagawa K,Kojima M

更新日期：2003-10-15 00:00:00

abstract：:Airway pathology has been extensively investigated in adulthood asthma, whereas only few studies examined bronchial biopsies in childhood asthma. To evaluate the airway pathology in children with asthma, we analyzed bronchial biopsies obtained from 23 children undergoing bronchoscopy for clinical indications other tha...

journal_title：American journal of respiratory and critical care medicine

authors： Barbato A,Turato G,Baraldo S,Bazzan E,Calabrese F,Tura M,Zuin R,Beghe B,Maestrelli P,Fabbri LM,Saetta M

更新日期：2003-10-01 00:00:00

abstract：:Transforming growth factor-beta1 (TGF-beta1) is a growth factor that is implicated in fibrosis of many organs. The purpose of this study was to determine the sequential levels of TGF-beta1 in the pleural fluid of rabbits that had undergone empyema induction, as fibrosis of the pleural space develops. Thirty-seven rabb...

journal_title：American journal of respiratory and critical care medicine

authors： Sasse SA,Jadus MR,Kukes GD

更新日期：2003-09-15 00:00:00

abstract：:It has long been known that there are cyclic changes in arterial pressure during mechanical ventilation. They are caused by cyclic changes in both the right and left ventricular stroke output, occurring in opposite phases. As a result, arterial pulse pressure is increased during inspiration and decreased during expira...

journal_title：American journal of respiratory and critical care medicine

authors： Vieillard-Baron A,Chergui K,Augarde R,Prin S,Page B,Beauchet A,Jardin F

更新日期：2003-09-15 00:00:00

abstract：:Survival is linked to the histopathologic distinction between usual interstitial pneumonia (UIP) and nonspecific interstitial pneumonia (NSIP), the most commonly encountered fibrotic idiopathic interstitial pneumonia. We retrospectively compared the prognostic significance of histopathologic diagnoses, baseline pulmon...

journal_title：American journal of respiratory and critical care medicine

authors： Latsi PI,du Bois RM,Nicholson AG,Colby TV,Bisirtzoglou D,Nikolakopoulou A,Veeraraghavan S,Hansell DM,Wells AU

更新日期：2003-09-01 00:00:00

abstract：:Idiopathic pulmonary fibrosis (IPF) is a chronic, fibrotic disorder underlain by aberrant wound healing of repeated lung injury. Environmental triggers and genetic background are likely to act as modifiers of the fibrotic response. Erythrocyte complement receptor 1 is a membrane protein mediating the transport of immu...

journal_title：American journal of respiratory and critical care medicine

authors： Zorzetto M,Ferrarotti I,Trisolini R,Lazzari Agli L,Scabini R,Novo M,De Silvestri A,Patelli M,Martinetti M,Cuccia M,Poletti V,Pozzi E,Luisetti M

更新日期：2003-08-01 00:00:00

abstract：:The potential role of nitric oxide synthase-2 (NOS2) in acute lung injury (ALI) has gained increasing attention. This study evaluates the effects of hypoxia, an important feature of ALI, on NOS2 expression in a rat model of ALI caused by exposure to hypoxia and LPS. Exposure to hypoxia alone had no effect on the expre...

journal_title：American journal of respiratory and critical care medicine

authors： Agorreta J,Garayoa M,Montuenga LM,Zulueta JJ

更新日期：2003-08-01 00:00:00

abstract：:Interleukin (IL)-2 has a central role in regulating T cell responses to Mycobacterium tuberculosis. Adjunctive immunotherapy with recombinant human IL-2 was studied in a randomized, placebo-controlled, double-blinded trial in 110 human immunodeficiency virus-seronegative adults in whom smear-positive, drug-susceptible...

journal_title：American journal of respiratory and critical care medicine

authors： Johnson JL,Ssekasanvu E,Okwera A,Mayanja H,Hirsch CS,Nakibali JG,Jankus DD,Eisenach KD,Boom WH,Ellner JJ,Mugerwa RD,Uganda-Case Western Reserve University Research Collaboration.

更新日期：2003-07-15 00:00:00

abstract：:Extracellular matrix metalloproteinase inducer (EMMPRIN), also called basigin, is present in the lung during development, but its expression in normal adult lung is minimal. Increases of EMMPRIN have been found in various forms of experimental lung injury. To determine whether EMMPRIN might be involved in alveolar inj...

journal_title：American journal of respiratory and critical care medicine

authors： Betsuyaku T,Tanino M,Nagai K,Nasuhara Y,Nishimura M,Senior RM

更新日期：2003-07-15 00:00:00

abstract：:Pulmonary hypertension is a life-threatening complication of sickle cell disease. L-Arginine is the nitrogen donor for synthesis of nitric oxide, a potent vasodilator that is deficient during times of sickle cell crisis. This deficiency may play a role in pulmonary hypertension. The enzyme arginase hydrolyzes arginine...

journal_title：American journal of respiratory and critical care medicine

authors： Morris CR,Morris SM Jr,Hagar W,Van Warmerdam J,Claster S,Kepka-Lenhart D,Machado L,Kuypers FA,Vichinsky EP

更新日期：2003-07-01 00:00:00

abstract：:The virulence of Pseudomonas aeruginosa is partly controlled by the las quorum-sensing system. A rat model of acute pneumonia was used to investigate the pathophysiological impact of this system by comparing the virulence of the wild-type virulent laboratory strain PAO1 with that of its lasR-deleted mutant PAOR. In co...

journal_title：American journal of respiratory and critical care medicine

authors： Lesprit P,Faurisson F,Join-Lambert O,Roudot-Thoraval F,Foglino M,Vissuzaine C,Carbon C

更新日期：2003-06-01 00:00:00

abstract：:Obstructive sleep apnea (OSA) is traditionally diagnosed using overnight polysomnography. Decision rules may provide an alternative to polysomnography. A consecutive series of patients referred to a tertiary sleep center underwent prospective evaluation with the upper airway physical examination protocol, followed by ...

journal_title：American journal of respiratory and critical care medicine

authors： Tsai WH,Remmers JE,Brant R,Flemons WW,Davies J,Macarthur C

更新日期：2003-05-15 00:00:00

abstract：:Colony-forming units of Mycobacterium tuberculosis in sputum were counted at 2-day intervals in 100 patients treated with 22 regimens of isoniazid, rifampin, pyrazinamide, ethambutol, or streptomycin, given alone or in combinations. The exponential fall in colony-forming units was measured by linear regression coeffic...

journal_title：American journal of respiratory and critical care medicine

authors： Jindani A,Doré CJ,Mitchison DA

更新日期：2003-05-15 00:00:00

abstract：:We sought to characterize polymorphisms in the proximal coding region of the lipopolysaccharide binding protein gene and to determine whether a previously reported variant was associated with sepsis complicated by organ failure or shock after trauma. We used multiple analytical methods, including pyrosequencing, restr...

journal_title：American journal of respiratory and critical care medicine

authors： Barber RC,O'Keefe GE

更新日期：2003-05-15 00:00:00

abstract：:A histologic feature of usual interstitial pneumonia is the presence of fibroblastic foci. As some patients with usual interstitial pneumonia and an underlying collagen vascular disease have a better prognosis, we hypothesized that they would have fewer fibroblastic foci. Pathologists reviewed surgical lung biopsies f...

journal_title：American journal of respiratory and critical care medicine

authors： Flaherty KR,Colby TV,Travis WD,Toews GB,Mumford J,Murray S,Thannickal VJ,Kazerooni EA,Gross BH,Lynch JP 3rd,Martinez FJ

更新日期：2003-05-15 00:00:00

abstract：:We evaluated positron emission tomographic imaging of pulmonary transgene expression, using an enhanced mutant herpes simplex virus-1 thymidine kinase as the reporter gene, in the lungs of normal rats. Sixteen rats were studied 3 days after an intratracheal administration of 5 x 10(9) to 1 x 10(11) viral particles of ...

journal_title：American journal of respiratory and critical care medicine

authors： Richard JC,Zhou Z,Ponde DE,Dence CS,Factor P,Reynolds PN,Luker GD,Sharma V,Ferkol T,Piwnica-Worms D,Schuster DP

更新日期：2003-05-01 00:00:00

abstract：:Keratinocyte growth factor (KGF) induces transient proliferation of alveolar type II cells (AEII) associated with surfactant alterations. To test the hypothesis that homeostasis of intracellular phospholipid stores is maintained under KGF-induced hyperplasia, we (1) collected tissue from adult rat lungs, fixed for lig...

journal_title：American journal of respiratory and critical care medicine

authors： Fehrenbach A,Bube C,Hohlfeld JM,Stevens P,Tschernig T,Hoymann HG,Krug N,Fehrenbach H

更新日期：2003-05-01 00:00:00

abstract：:Many time series studies have found that individuals with primary cardiac conditions were susceptible to the adverse effects associated with increased ambient particle levels. However, the mechanism(s) of these associations is not yet understood. In this study, we evaluate whether individuals with nonrespiratory prima...

journal_title：American journal of respiratory and critical care medicine

authors： De Leon SF,Thurston GD,Ito K

更新日期：2003-04-15 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：:Genetic factors may contribute to the variability of exhaled nitric oxide in healthy individuals. We studied exhaled nitric oxide and genetic variants in both neuronal and endothelial nitric oxide synthases in 105 healthy nonsmoking and smoking subjects. Genomic DNA was screened for a repeat polymorphism in intron 20 ...

journal_title：American journal of respiratory and critical care medicine

authors： Grasemann H,Storm van's Gravesande K,Buscher R,Drazen JM,Ratjen F

更新日期：2003-04-15 00:00:00

abstract：:Inhaled nitric oxide (NO) improves systemic oxygenation (PaO2/FIO2) in adult patients with acute respiratory distress syndrome (ARDS). However, individual response varies, and previous trials demonstrated no outcome benefit. This prospective, randomized study in 40 ARDS patients analyzed dose-response (DR) characteris...

journal_title：American journal of respiratory and critical care medicine

authors： Gerlach H,Keh D,Semmerow A,Busch T,Lewandowski K,Pappert DM,Rossaint R,Falke KJ

更新日期：2003-04-01 00:00:00

abstract：:Diabetes mellitus has been inconsistently associated with a reduced level of pulmonary function. To elucidate this association further, we analyzed the relationship of diabetes and of fasting blood glucose to the level of pulmonary function assessed by spirometry in the 3,254 members of the Framingham Offspring Cohort...

journal_title：American journal of respiratory and critical care medicine

authors： Walter RE,Beiser A,Givelber RJ,O'Connor GT,Gottlieb DJ

更新日期：2003-03-15 00:00:00

abstract：:Pulmonary veno-occlusive disease (PVOD) is a rare form of pulmonary hypertension in which the vascular changes originate in the small pulmonary veins and venules. The pathogenesis is unknown and any link with primary pulmonary hypertension (PPH) has been speculative. Mutations in the bone morphogenetic protein recepto...

journal_title：American journal of respiratory and critical care medicine

authors： Runo JR,Vnencak-Jones CL,Prince M,Loyd JE,Wheeler L,Robbins IM,Lane KB,Newman JH,Johnson J,Nichols WC,Phillips JA 3rd

更新日期：2003-03-15 00:00:00

abstract：:To investigate repair mechanisms in bleomycin-induced pulmonary fibrosis, we used mice deficient in gamma-glutamyl transpeptidase (GGT-/-), a key enzyme in glutathione (GSH) and cysteine metabolism. Seventy-two hours after bleomycin (0.03 U/g), GGT-/- mice displayed a different inflammatory response to wild-type mice ...

journal_title：American journal of respiratory and critical care medicine

authors： Pardo A,Ruiz V,Arreola JL,Ramírez R,Cisneros-Lira J,Gaxiola M,Barrios R,Kala SV,Lieberman MW,Selman M

更新日期：2003-03-15 00:00:00

abstract：:The aim of the study was to investigate the effect of addition of montelukast to inhaled fluticasone propionate (FP) therapy, compared with FP therapy alone (100 microg twice a day) on airway immunopathology in individuals with mild asthma. Twenty-eight subjects received FP (100 microg twice a day) or FP (100 microg t...

journal_title：American journal of respiratory and critical care medicine

authors： O'Sullivan S,Akveld M,Burke CM,Poulter LW

更新日期：2003-03-01 00:00:00

abstract：:Despite extensive research into the etiology and treatment of severe sepsis, little is known about its epidemiology in children. We sought to determine the age- and sex-adjusted incidence, outcome, and associated hospital costs of severe sepsis in United States children using 1995 hospital discharge and population dat...

journal_title：American journal of respiratory and critical care medicine

authors： Watson RS,Carcillo JA,Linde-Zwirble WT,Clermont G,Lidicker J,Angus DC

更新日期：2003-03-01 00:00:00

abstract：:Many patients with acute asthma do not respond adequately to currently accepted therapy, including oxygen, beta-agonists, and corticosteroids. Leukotriene receptor antagonists such as montelukast have demonstrated efficacy in chronic asthma, but their efficacy in acute asthma is unknown. In this randomized, double-bli...

journal_title：American journal of respiratory and critical care medicine

authors： Camargo CA Jr,Smithline HA,Malice MP,Green SA,Reiss TF

更新日期：2003-02-15 00:00:00

abstract：:Within the last few years, increasing evidence of relative adrenal insufficiency in septic shock evoked a reassessment of hydrocortisone therapy. To evaluate the effects of hydrocortisone on the balance between proinflammatory and antiinflammation, 40 patients with septic shock were randomized in a double-blind crosso...

journal_title：American journal of respiratory and critical care medicine

authors： Keh D,Boehnke T,Weber-Cartens S,Schulz C,Ahlers O,Bercker S,Volk HD,Doecke WD,Falke KJ,Gerlach H

更新日期：2003-02-15 00:00:00

abstract：:Protein tyrosine kinase signaling cascade plays a pivotal role in the activation of inflammatory cells. The purpose of this study was to investigate the effects of genistein, a broad-spectrum protein tyrosine kinase inhibitor, on airway inflammation in an in vivo guinea pig model of asthma. Guinea pigs were actively s...

journal_title：American journal of respiratory and critical care medicine

authors： Duan W,Kuo IC,Selvarajan S,Chua KY,Bay BH,Wong WS

更新日期：2003-01-15 00:00:00