Endotoxin contamination causes neutrophilia following pulmonary allergen challenge.

abstract：RATIONALE:Occupational exposure to beryllium (Be) can result in chronic granulomatous inflammation characterized by the presence of Be-specific CD4+ T cells. Studies show that oxidative stress plays a role in the pathogenesis of chronic inflammatory disorders. OBJECTIVES:We hypothesized that Be-induced oxidative stres...

journal_title：American journal of respiratory and critical care medicine

authors： Dobis DR,Sawyer RT,Gillespie MM,Huang J,Newman LS,Maier LA,Day BJ

更新日期：2008-05-01 00:00:00

abstract：:Although the incidence of pulmonary hypertension is higher in female patients, numerous experimental studies have demonstrated better outcome in female animals, exacerbation of the disease after ovariectomy, and a strong protective effect of estrogen: a phenomenon known as the "estrogen paradox" of pulmonary hypertens...

journal_title：American journal of respiratory and critical care medicine

authors： Umar S,Rabinovitch M,Eghbali M

更新日期：2012-07-15 00:00:00

abstract：:The recruitment of leukocytes to an area of injury or inflammation site is one of the most fundamental host defenses. Pulmonary tuberculosis is characterized by granulomatous inflammation with an extensive infiltration of mononuclear cells. In tuberculous pleurisy pleural mesothelial cells are exposed to mycobacteria ...

journal_title：American journal of respiratory and critical care medicine

authors： Mohammed KA,Nasreen N,Ward MJ,Antony VB

更新日期：1999-05-01 00:00:00

abstract：:Lung cancer is a significant disease with survival rates remaining poor despite numerous therapeutic advances during the last 30 years. Understanding lung cancer pathogenesis through murine modeling may improve future human therapies, and new data indicate that mutations within different endogenous stem cells situated...

journal_title：American journal of respiratory and critical care medicine

authors： Giangreco A,Groot KR,Janes SM

更新日期：2007-03-15 00:00:00

abstract：RATIONALE:Numerous studies have been published on the new Mycobacterium tuberculosis (MTB)-specific IFN-gamma release assays. However, their prognostic value for progression from latent tuberculosis infection (LTBI) to active TB has yet to be established. OBJECTIVES:To compare the QuantiFERON-TB Gold In-Tube assay (QF...

journal_title：American journal of respiratory and critical care medicine

authors： Diel R,Loddenkemper R,Meywald-Walter K,Niemann S,Nienhaus A

更新日期：2008-05-15 00:00:00

abstract：:Nebulized aerosols are commonly used to deliver drugs into the lungs of patients with cystic fibrosis (CF). The aim of this study was to assess the effectiveness of pressure-support (PS) ventilation in increasing aerosol deposition within the lungs of children with CF. An in vitro study demonstrated the feasibility of...

journal_title：American journal of respiratory and critical care medicine

authors： Fauroux B,Itti E,Pigeot J,Isabey D,Meignan M,Ferry G,Lofaso F,Willemot JM,Clément A,Harf A

更新日期：2000-12-01 00:00:00

abstract：RATIONALE:Corticosteroids are the antiinflammatory treatment of choice in asthma. Treatment guidelines are mainly symptom-driven but symptoms are not closely related to airway inflammation. The fraction of nitric oxide in exhaled air (FENO) is a marker of airway inflammation in asthma. OBJECTIVE:We evaluated whether t...

journal_title：American journal of respiratory and critical care medicine

authors： Pijnenburg MW,Bakker EM,Hop WC,De Jongste JC

更新日期：2005-10-01 00:00:00

abstract：:We developed clonal cell lines of human bronchial smooth muscle origin by retroviral transduction of temperature-sensitive simian virus 40 large tumor (T) antigen. These cells show increased growth potential at 33 degrees C, but on shift to the nonpermissive temperature (39 degrees C), they show diminished or arrested...

journal_title：American journal of respiratory and critical care medicine

authors： Zhou L,Li J,Goldsmith AM,Newcomb DC,Giannola DM,Vosk RG,Eves EM,Rosner MR,Solway J,Hershenson MB

更新日期：2004-03-15 00:00:00

abstract：:Changes in dynamic lung compliance during inspiration and expiration cannot be modeled accurately with conventional algorithms. We developed a simple method to analyze pressure-volume (P/V) relationships under condition of nonlinearity (APVNL) and tested it in a lung model with known resistance and nonlinear P/V relat...

journal_title：American journal of respiratory and critical care medicine

authors： Nikischin W,Gerhardt T,Everett R,Bancalari E

更新日期：1998-10-01 00:00:00

abstract：:Systemic inflammation is present in chronic obstructive pulmonary disease (COPD), which has been linked to cardiovascular morbidity and mortality. We determined the effects of oral and inhaled corticosteroids on serum markers of inflammation in patients with stable COPD. We recruited 41 patients with mild to moderate ...

journal_title：American journal of respiratory and critical care medicine

authors： Sin DD,Lacy P,York E,Man SF

更新日期：2004-10-01 00:00:00

abstract：:Haemophilus influenzae and Streptococcus pneumoniae are common causes of respiratory tract infections. H. influenzae attach to receptor epitopes in mucins and in epithelial cell membranes. Attachment is followed by an epithelial cell cytokine response. Secreted cytokines then initiate inflammation, upset the integrity...

journal_title：American journal of respiratory and critical care medicine

authors： Håkansson A,Carlstedt I,Davies J,Mossberg AK,Sabharwal H,Svanborg C

更新日期：1996-10-01 00:00:00

abstract：:To examine whether diffuse pleural thickening (DPT) causes impairment of pulmonary function independent of other manifestations of asbestos-related disease, we studied individuals selected from 1,150 men with occupational asbestos exposure who had undergone pulmonary function testing and computed tomographic (CT) scan...

journal_title：American journal of respiratory and critical care medicine

authors： Kee ST,Gamsu G,Blanc P

更新日期：1996-09-01 00:00:00

abstract：:Possible mechanisms involved in inhaled sodium metabisulfite (MBS)-induced bronchoconstriction include cholinergic reflex and release of tachykinins from sensory nerve endings. Tachykinins are potent bronchoconstrictors cleaved and inactivated by neutral endopeptidase (NEP) in the airways. To investigate the role of t...

journal_title：American journal of respiratory and critical care medicine

authors： Bellofiore S,Caltagirone F,Pennisi A,Ciancio N,Mistretta A,Di Maria GU

更新日期：1994-09-01 00:00:00

abstract：:Hypersensitivity pneumonitis (HP) represents an immunologic reaction of the pulmonary parenchyma to an inhaled agent. Since tumor necrosis factor (TNF)-alpha is thought to be involved in the pathogenesis of HP, and polymorphisms in the TNF genes have been associated with variations in the production of TNF-alpha, we i...

journal_title：American journal of respiratory and critical care medicine

authors： Schaaf BM,Seitzer U,Pravica V,Aries SP,Zabel P

更新日期：2001-02-01 00:00:00

abstract：:The German reunification offers a unique opportunity to study the impact of environmental factors on the development of childhood respiratory and allergic disorders in ethnically similar populations. We investigated the prevalence of asthma, hay fever, atopy, and bronchial hyperresponsiveness (BHR) in 9- to 11-year ol...

journal_title：American journal of respiratory and critical care medicine

authors： von Mutius E,Martinez FD,Fritzsch C,Nicolai T,Roell G,Thiemann HH

更新日期：1994-02-01 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：:The aim of this study was to assess positive end-expiratory pressure (PEEP)-induced lung overdistension and alveolar recruitment in six patients with acute lung injury (ALI) using a computed tomographic (CT) scan method. Lung overdistension was first determined in six healthy volunteers in whom CT sections were obtain...

journal_title：American journal of respiratory and critical care medicine

authors： Vieira SR,Puybasset L,Richecoeur J,Lu Q,Cluzel P,Gusman PB,Coriat P,Rouby JJ

更新日期：1998-11-01 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：:This Executive Summary of the Global Strategy for the Diagnosis, Management, and Prevention of COPD, Global Initiative for Chronic Obstructive Lung Disease (GOLD) 2017 report focuses primarily on the revised and novel parts of the document. The most significant changes include: (1) the assessment of chronic obstructiv...

journal_title：American journal of respiratory and critical care medicine

authors： Vogelmeier CF,Criner GJ,Martinez FJ,Anzueto A,Barnes PJ,Bourbeau J,Celli BR,Chen R,Decramer M,Fabbri LM,Frith P,Halpin DM,López Varela MV,Nishimura M,Roche N,Rodriguez-Roisin R,Sin DD,Singh D,Stockley R,Vestbo J,W

更新日期：2017-03-01 00:00:00

abstract：:Pharyngeal dilator muscle activation (GGEMG) during wakefulness is greater in patients with obstructive sleep apnea (OSA) than in healthy control subjects, representing a neuromuscular compensatory mechanism for a more collapsible airway. As previous work from our laboratory has demonstrated a close relationship betwe...

journal_title：American journal of respiratory and critical care medicine

authors： Fogel RB,Malhotra A,Pillar G,Edwards JK,Beauregard J,Shea SA,White DP

更新日期：2001-12-01 00:00:00

abstract：:T cells in the airways are considered to play a key role in orchestrating the inflammatory response of asthma through the elaboration of specific cytokines. Using flow cytometry we have investigated the T-cell response of sensitized asthmatic airways 6 h after local allergen provocation. Twelve subjects with atopic as...

journal_title：American journal of respiratory and critical care medicine

authors： Gratziou C,Carroll M,Montefort S,Teran L,Howarth PH,Holgate ST

更新日期：1996-02-01 00:00:00

abstract：RATIONALE:Dysregulation of cellular metabolism has been shown to participate in several pathologic processes. However, the role of metabolic reprogramming is not well appreciated in the pathogenesis of organ fibrosis. OBJECTIVES:To determine if glycolytic reprogramming participates in the pathogenesis of lung fibrosis...

journal_title：American journal of respiratory and critical care medicine

authors： Xie N,Tan Z,Banerjee S,Cui H,Ge J,Liu RM,Bernard K,Thannickal VJ,Liu G

更新日期：2015-12-15 00:00:00

abstract：:Tracheal and lung parenchymal SP-LI (substance P-like immunoreactivity) and VIP-LI (vasoactive intestinal peptide-like immunoreactivity) content was measured in HPLC-purified tissue extracts from patients with and without asthma. We detected significantly less SP-LI in tracheal tissue from asthmatic than from nonasthm...

journal_title：American journal of respiratory and critical care medicine

authors： Lilly CM,Bai TR,Shore SA,Hall AE,Drazen JM

更新日期：1995-02-01 00:00:00

abstract：:Reduced bronchodilatation in response to deep inspiration (DI) has been demonstrated in asthmatics. We have previously shown that inhibition of DI for 10 min or more during methacholine inhalation increases airway narrowing in normals. We tested the hypothesis that inhibition of DIs during methacholine inhalation in a...

journal_title：American journal of respiratory and critical care medicine

authors： King GG,Moore BJ,Seow CY,Paré PD

更新日期：2001-07-15 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:Allergic asthma is characterized by reversible airway obstruction, lung inflammation, and airway hyperresponsiveness (AHR). Previous studies using leukotriene B(4) (LTB(4)) receptor 1-deficient mice and adoptive transfer experiments have suggested that LTB(4) plays a role in lung inflammation and AHR. OBJECT...

journal_title：American journal of respiratory and critical care medicine

authors： Rao NL,Riley JP,Banie H,Xue X,Sun B,Crawford S,Lundeen KA,Yu F,Karlsson L,Fourie AM,Dunford PJ

更新日期：2010-05-01 00:00:00

abstract：:The absence of standardized assessment protocols with well- defined measurement properties limits comparison of outcomes among those receiving long-term oxygen therapy (LTOT). We describe simple protocols for a hospital test, a simulated home test, and an actual home test, their reliability and relationship to each ot...

journal_title：American journal of respiratory and critical care medicine

authors： Guyatt GH,McKim DA,Weaver B,Austin PA,Bryan RE,Walter SD,Nonoyama ML,Ferreira IM,Goldstein RS

更新日期：2001-03-01 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：RATIONALE:Allergic bronchopulmonary aspergillosis (ABPA) is characterized by a Th2 immune response. Mouse models suggest a critical role for the Th2 chemokines thymus- and activation-regulated chemokine (TARC) and macrophage-derived chemokine (MDC) in ABPA. OBJECTIVES:To determine whether serum levels of TARC and MDC ...

journal_title：American journal of respiratory and critical care medicine

authors： Hartl D,Latzin P,Zissel G,Krane M,Krauss-Etschmann S,Griese M

更新日期：2006-06-15 00:00:00

abstract：RATIONALE:Obstructive sleep apnea (OSA), a treatable sleep disorder that is associated with alterations in glucose metabolism in individuals without diabetes, is a highly prevalent comorbidity of type 2 diabetes. However, it is not known whether the severity of OSA is a predictor of glycemic control in patients with di...

journal_title：American journal of respiratory and critical care medicine

authors： Aronsohn RS,Whitmore H,Van Cauter E,Tasali E

更新日期：2010-03-01 00:00:00