Epithelial permeability, inflammation, and oxidant stress in the air spaces of smokers.

abstract：RATIONALE:Community-acquired pneumonia (CAP) accounts for a major proportion of intensive care unit (ICU) admissions for respiratory failure and sepsis. Diagnostic uncertainty complicates case management, which may delay appropriate cause-specific treatment. OBJECTIVES:To characterize the blood genomic response in pat...

journal_title：American journal of respiratory and critical care medicine

authors： Scicluna BP,Klein Klouwenberg PM,van Vught LA,Wiewel MA,Ong DS,Zwinderman AH,Franitza M,Toliat MR,Nürnberg P,Hoogendijk AJ,Horn J,Cremer OL,Schultz MJ,Bonten MJ,van der Poll T

更新日期：2015-10-01 00:00:00

abstract：:Transbronchial biopsies (TBBs) are useful to diagnose acute rejection and infection in patients with lung transplants. The value of routine surveillance biopsies (S-TBBs) is not known, and such biopsies with a clinical indication are not without risk and are expensive. One hundred twenty-six 6-mo survivors of heart-lu...

journal_title：American journal of respiratory and critical care medicine

authors： Tamm M,Sharples LD,Higenbottam TW,Stewart S,Wallwork J

更新日期：1997-05-01 00:00:00

abstract：RATIONALE:Pure oxygen causes more oxidative stress than room air in resuscitation of asphyctic neonates, and consequently could be associated with increased tissue damage. OBJECTIVES:To compare damage caused to heart and kidneys on reoxygenation in severely asphyctic term neonates resuscitated with room air (RAR) or 1...

journal_title：American journal of respiratory and critical care medicine

authors： Vento M,Sastre J,Asensi MA,Viña J

更新日期：2005-12-01 00:00:00

abstract：RATIONALE:Severe asthma is a major public health issue throughout the world. Increased bronchial smooth muscle (BSM) mass, a characteristic feature of airway remodeling in severe asthma, is associated with resistance to high-intensity treatment and poor prognosis. In vitro, the Ca(2+)-channel blocker gallopamil decreas...

journal_title：American journal of respiratory and critical care medicine

authors： Girodet PO,Dournes G,Thumerel M,Begueret H,Dos Santos P,Ozier A,Dupin I,Trian T,Montaudon M,Laurent F,Marthan R,Berger P

更新日期：2015-04-15 00:00:00

abstract：RATIONALE:Ventilation-perfusion scintigraphy is highly sensitive for pulmonary embolism (PE), but its clinical usefulness is limited by its nondiagnostic rate. Objective analysis of single photon emission computed tomography (SPECT) three-dimensional scintigraphy may improve its diagnostic performance compared with sub...

journal_title：American journal of respiratory and critical care medicine

authors： Harris B,Bailey D,Miles S,Bailey E,Rogers K,Roach P,Thomas P,Hensley M,King GG

更新日期：2007-06-01 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：:Sepsis and cancer share a number of pathophysiological features, and both result from the inability of the host's immune system to cope with the initial insult (tissue invasion by pathogens and malignant cell transformation, respectively). The common coexistence of both disorders and the profound related alterations i...

journal_title：American journal of respiratory and critical care medicine

authors： Mirouse A,Vigneron C,Llitjos JF,Chiche JD,Mira JP,Mokart D,Azoulay E,Pène F

更新日期：2020-12-15 00:00:00

abstract：:We investigated the influence of pulmonary bacteriology and histology on the yield of diagnostic procedures in a clinically relevant model of ventilator-acquired pneumonia (VAP). Twenty-seven piglets entered a 4-d protocol of ventilatory support under general anesthesia. Endotracheal aspirates (EA), protected specimen...

journal_title：American journal of respiratory and critical care medicine

authors： Wermert D,Marquette CH,Copin MC,Wallet F,Fraticelli A,Ramon P,Tonnel AB

更新日期：1998-07-01 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：: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：:We measured in rats the effects of 48 h of mechanical ventilation on the weight, contractile properties, and enzymatic profile of the diaphragm, the soleus and the extensor digitorium longus (EDL) muscles. Eighteen animals were randomly divided into a mechanically ventilated (MV, n = 9) group or a control (C, n = 9) g...

journal_title：American journal of respiratory and critical care medicine

authors： Le Bourdelles G,Viires N,Boczkowski J,Seta N,Pavlovic D,Aubier M

更新日期：1994-06-01 00:00:00

abstract：RATIONALE:Defective efferocytosis (phagocytic clearance of apoptotic cells) in the airway may perpetuate inflammation via secondary necrosis in chronic obstructive pulmonary disease (COPD). We have previously reported that low-dose azithromycin improved alveolar macrophage (AM) phagocytic function in vitro. OBJECTIVES...

journal_title：American journal of respiratory and critical care medicine

authors： Hodge S,Hodge G,Jersmann H,Matthews G,Ahern J,Holmes M,Reynolds PN

更新日期：2008-07-15 00:00:00

abstract：RATIONALE:There are few follow-up studies on long-term cardiopulmonary function after pulmonary endarterectomy (PEA), the operation of choice for chronic thromboembolic pulmonary hypertension (CTEPH). OBJECTIVES:To prospectively evaluate long-term outcome of patients with CTEPH treated with PEA. METHODS:Between 1994 ...

journal_title：American journal of respiratory and critical care medicine

authors： Corsico AG,D'Armini AM,Cerveri I,Klersy C,Ansaldo E,Niniano R,Gatto E,Monterosso C,Morsolini M,Nicolardi S,Tramontin C,Pozzi E,Viganò M

更新日期：2008-08-15 00:00:00

abstract：RATIONALE:Patent foramen ovale (PFO) may be disadvantageous in chronic obstructive pulmonary disease (COPD). It is unknown whether right-to-left shunting through PFO increases during exercise impairing exercise performance. OBJECTIVES:To determine whether (1) PFO prevalence is greater in hypoxemic versus less hypoxemi...

journal_title：American journal of respiratory and critical care medicine

authors： Shaikh ZF,Kelly JL,Shrikrishna D,de Villa M,Mullen MJ,Hopkinson NS,Morrell MJ,Polkey MI

更新日期：2014-03-01 00:00:00

abstract：RATIONALE:Increasing epithelial repair and regeneration may hasten resolution of lung injury in patients with the acute respiratory distress syndrome (ARDS). In animal models of ARDS, keratinocyte growth factor (KGF) reduces injury and increases epithelial proliferation and repair. The effect of KGF in the human alveol...

journal_title：American journal of respiratory and critical care medicine

authors： Shyamsundar M,McAuley DF,Ingram RJ,Gibson DS,O'Kane D,McKeown ST,Edwards A,Taggart C,Elborn JS,Calfee CS,Matthay MA,O'Kane CM

更新日期：2014-06-15 00:00:00

abstract：:The distribution of ventilation-perfusion (VA/Q) ratios during bronchoconstriction measured with the multiple inert gases elimination technique is frequently bimodal. However, the topographic basis and the cause of that bimodality remain unknown. In this article, regional VA/Q is quantified by three-dimensional positr...

journal_title：American journal of respiratory and critical care medicine

authors： Melo MF,Harris RS,Layfield JD,Venegas JG

更新日期：2005-04-01 00:00:00

abstract：:In 1976-1992 245 new cases of asthma induced by diisocyanates were diagnosed, caused by hexamethylene diisocyanate (HDI) in 39%, diphenylmethane diisocyanate (MDI) in 39%, and toluene diisocyanate (TDI) in 17% of the cases. Our aim was to study the clinical outcome of diisocyanate-induced asthma. A questionnaire was s...

journal_title：American journal of respiratory and critical care medicine

authors： Piirilä PL,Nordman H,Keskinen HM,Luukkonen R,Salo SP,Tuomi TO,Tuppurainen M

更新日期：2000-08-01 00:00:00

abstract：:The purpose of the study was to examine risk factors for nosocomial pneumonia in the surgical and medical/respiratory intensive care unit (ICU) populations. In a public teaching hospital, all cases of nosocomial pneumonia in the surgical and medical/respiratory ICUs (n = 20, respectively) were identified by prospectiv...

journal_title：American journal of respiratory and critical care medicine

authors： Cunnion KM,Weber DJ,Broadhead WE,Hanson LC,Pieper CF,Rutala WA

更新日期：1996-01-01 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：:The cysteinyl leukotrienes (CysLTs) are important mediators of human asthma. Pharmacologic and clinical studies show that the CysLTs exert most of their bronchoconstrictive and proinflammatory effects through activation of a putative, 7-transmembrane domain, G-protein-coupled receptor, the CysLT1 receptor. The initial...

journal_title：American journal of respiratory and critical care medicine

authors： Figueroa DJ,Breyer RM,Defoe SK,Kargman S,Daugherty BL,Waldburger K,Liu Q,Clements M,Zeng Z,O'Neill GP,Jones TR,Lynch KR,Austin CP,Evans JF

更新日期：2001-01-01 00:00:00

abstract：:Epidemiologic investigation has established an association between exposure to particulate matter (PM) and human health in the Utah Valley. Reduction of particle mass during the temporary closure of a local steel mill was associated with diminished morbidity and mortality. We tested the hypothesis that the biologic ef...

journal_title：American journal of respiratory and critical care medicine

authors： Ghio AJ,Devlin RB

更新日期：2001-08-15 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:New vaccines are urgently needed to protect the vulnerable from bacterial pneumonia. Clinical trials of pneumonia vaccines are slow and costly, requiring tens of thousands of patients. Studies of pneumococcal vaccine efficacy against colonization have been proposed as a novel method to down-select between vac...

journal_title：American journal of respiratory and critical care medicine

authors： Collins AM,Wright AD,Mitsi E,Gritzfeld JF,Hancock CA,Pennington SH,Wang D,Morton B,Ferreira DM,Gordon SB

更新日期：2015-10-01 00:00:00

abstract：RATIONALE:Exhaled nitric oxide (NO) is a well-known marker of established airway inflammation in asthma. Its role in the disease process before the onset of respiratory symptoms remains unclear. OBJECTIVES:To examine whether elevated NO in newborns with clinically naive airways is associated with subsequent respirator...

journal_title：American journal of respiratory and critical care medicine

authors： Latzin P,Kuehni CE,Baldwin DN,Roiha HL,Casaulta C,Frey U

更新日期：2006-12-15 00:00:00

abstract：:The aim of this study was to compare the effects of salmeterol and beclomethasone on lung function and symptoms in children with mild to moderate asthma. Sixty-seven children not treated with inhaled corticosteroids were randomized in a double-blind parallel study either to salmeterol 50 micrograms b.i.d. or beclometh...

journal_title：American journal of respiratory and critical care medicine

authors： Verberne AA,Frost C,Roorda RJ,van der Laag H,Kerrebijn KF

更新日期：1997-09-01 00:00:00

abstract：:Sensitive measures of lung function applicable to young subjects are needed to detect early cystic fibrosis (CF) lung disease. Forty children with CF aged 2 to 5 years and 37 age-matched healthy control subjects performed multiple-breath inert gas washout, plethysmography, and spirometry. Thirty children in each group...

journal_title：American journal of respiratory and critical care medicine

authors： Aurora P,Bush A,Gustafsson P,Oliver C,Wallis C,Price J,Stroobant J,Carr S,Stocks J,London Cystic Fibrosis Collaboration.

更新日期：2005-02-01 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：:The mechanism responsible for diminished exercise performance in cystic fibrosis (CF) is not clear. We hypothesized that reduced muscle size, rather than an intrinsic muscle defect, was the primary factor in such diminished exercise performance. Twenty-two subjects with CF (14 females and eight males, aged 6.5 to 17.7...

journal_title：American journal of respiratory and critical care medicine

authors： Moser C,Tirakitsoontorn P,Nussbaum E,Newcomb R,Cooper DM

更新日期：2000-11-01 00:00:00

abstract：:We enrolled nine allergic subjects in a double blind, placebo-controlled study to examine the effect of premedication with 0.6 mg of atropine on nasal antigen challenge. The challenge consisted of unilaterally stimulating the nasal septum with diluent followed by three increasing doses of antigen and recording respons...

journal_title：American journal of respiratory and critical care medicine

authors： Baroody FM,Ford S,Lichtenstein LM,Kagey-Sobotka A,Naclerio RM

更新日期：1994-06-01 00:00:00

abstract：RATIONALE:Colonization of lower airways by Staphylococcus aureus is a risk factor for the development of ventilator-associated tracheobronchitis (VAT) and ventilator-associated pneumonia (VAP). However, little is known about the virulence factors of methicillin-sensitive and -resistant S. aureus (MSSA and MRSA) that ma...

journal_title：American journal of respiratory and critical care medicine

authors： Stulik L,Malafa S,Hudcova J,Rouha H,Henics BZ,Craven DE,Sonnevend AM,Nagy E

更新日期：2014-11-15 00:00:00