abstract：:A respiratory therapist-driven weaning protocol incorporating daily screens, spontaneous breathing trials (SBT), and prompts to caregivers has been associated with superior outcomes in mechanically ventilated medical patients. To determine the effectiveness of this approach in neurosurgical (NSY) patients, we conducte...

journal_title：American journal of respiratory and critical care medicine

authors： Namen AM,Ely EW,Tatter SB,Case LD,Lucia MA,Smith A,Landry S,Wilson JA,Glazier SS,Branch CL,Kelly DL,Bowton DL,Haponik EF

更新日期：2001-03-01 00:00:00

abstract：:The frequency and determinants of exogenous reinfection and of endogenous reactivation of tuberculosis in patients previously treated are poorly understood. In Gran Canaria Island, Spain, between 1991 and 1996, 962 tuberculosis cases were confirmed by culture. Drug susceptibility testing was performed on available bac...

journal_title：American journal of respiratory and critical care medicine

authors： Caminero JA,Pena MJ,Campos-Herrero MI,Rodríguez JC,Afonso O,Martin C,Pavón JM,Torres MJ,Burgos M,Cabrera P,Small PM,Enarson DA

更新日期：2001-03-01 00:00:00

abstract：:Inflammation is a critical component of asthma. Drugs that control asthma generally reduce the degree of airway inflammation. There is theoretical controversy surrounding the effects of beta(2)-agonists on airway inflammation, with some studies suggesting an anti-inflammatory effect, and others predicting a proinflamm...

journal_title：American journal of respiratory and critical care medicine

authors： Calhoun WJ,Hinton KL,Kratzenberg JJ

更新日期：2001-03-01 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：:We hypothesized that ischemia/reperfusion (I/R) injury of the liver during normotensive gram-negative bacteremic sepsis alters the kinetics of circulating endotoxin, tumor necrosis factor-alpha (TNF-alpha), and coinduced mediators, thereby exacerbating sepsis-induced lung inflammation. Liver and lung dysfunction were ...

journal_title：American journal of respiratory and critical care medicine

authors： Matuschak GM,Henry KA,Johanns CA,Lechner AJ

更新日期：2001-03-01 00:00:00

abstract：:We examined endotoxin exposure and wheezing episodes during the first year of life in a birth cohort of 499 infants with one or both parents having a history of asthma or allergy. We measured endotoxin in settled dust from the baby's bed, bedroom floor, family room, and kitchen floor within the first 3 mo after birth....

journal_title：American journal of respiratory and critical care medicine

authors： Park JH,Gold DR,Spiegelman DL,Burge HA,Milton DK

更新日期：2001-02-01 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：:Granulocyte-macrophage colony-stimulating factor (GM-CSF) is used to ameliorate neutropenia in patients after antineoplastic treatment. It has also been suggested as an adjunct treatment in septic patients; however, the recruitment and priming of leukocytes by GM-CSF bears the hazard of a hyperinflammatory response. I...

journal_title：American journal of respiratory and critical care medicine

authors： Wollin L,Uhlig S,Nüsing R,Wendel A

更新日期：2001-02-01 00:00:00

abstract：:Pneumonectomized rats develop pulmonary hypertension (PH) and pulmonary vascular neointimal formation 4 wk after monocrotaline (MCT) administration. Male Sprague-Dawley rats were injected with MCT (60 mg/kg) on Day 7 after left pneumonectomy. Three groups (n = 5) received 40-O-(2-hydroxyethyl)-rapamycin (RAD, 2.5 mg/k...

journal_title：American journal of respiratory and critical care medicine

authors： Nishimura T,Faul JL,Berry GJ,Veve I,Pearl RG,Kao PN

更新日期：2001-02-01 00:00:00

abstract：:Disordered breathing during sleep is associated with acute, unfavorable effects on cardiovascular physiology, but few studies have examined its postulated association with cardiovascular disease (CVD). We examined the cross-sectional association between sleep- disordered breathing and self-reported CVD in 6,424 free-l...

journal_title：American journal of respiratory and critical care medicine

authors： Shahar E,Whitney CW,Redline S,Lee ET,Newman AB,Nieto FJ,O'Connor GT,Boland LL,Schwartz JE,Samet JM

更新日期：2001-01-01 00:00:00

abstract：:Regular short-acting inhaled beta-agonist therapy is of uncertain benefit in patients with chronic obstructive pulmonary disease (COPD). We conducted a randomized, concealed, double-blind, placebo-controlled crossover trial in two periods, each of 3-mo duration, involving 53 patients with a smoking history of > 20 pac...

journal_title：American journal of respiratory and critical care medicine

authors： Cook D,Guyatt G,Wong E,Goldstein R,Bedard M,Austin P,Ramsdale H,Jaeschke R,Sears M

更新日期：2001-01-01 00:00:00

abstract：:The epithelium of the paranasal sinuses produces nitric oxide (NO), which probably plays a major role in the nonspecific defense of these cavities through its bacteriostatic and cilia motility stimulation properties. Abundant eosinophils of nasal polyps potentially generate superoxide anion (O2-*), but NO and O2-* ina...

journal_title：American journal of respiratory and critical care medicine

authors： Pasto M,Serrano E,Urocoste E,Barbacanne MA,Guissani A,Didier A,Delisle MB,Rami J,Arnal JF

更新日期：2001-01-01 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：:Lone cryptogenic fibrosing alveolitis (CFA) is a progressive interstitial lung disease, with a median survival of 3 to 6 yr from the onset of dyspnea. CFA can be subdivided into prognostically significant histopathologic patterns, including nonspecific interstitial pneumonia (NSIP). We reviewed 78 patients with a clin...

journal_title：American journal of respiratory and critical care medicine

authors： Nicholson AG,Colby TV,du Bois RM,Hansell DM,Wells AU

更新日期：2000-12-01 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：:A nonvolitional test to assess diaphragm strength in neonates has not been previously described. Our aim was to assess the feasibility of cervical (CMS) and anterior (AMS) magnetic stimulation of the phrenic nerves in neonates. Double circular stimulating coils (90-mm) were used. For CMS, one coil was placed over the ...

journal_title：American journal of respiratory and critical care medicine

authors： Rafferty GF,Greenough A,Dimitriou G,Kavadia V,Laubscher B,Polkey MI,Harris ML,Moxham J

更新日期：2000-12-01 00:00:00

abstract：:The plasma level of fibrinogen is felt to be an independent risk factor for vascular events. Obstructive sleep apnea (OSA) has a high prevalence in patients with stroke and may also be an independent risk factor. The aim of our study was to determine the association between OSA and plasma levels of fibrinogen in patie...

journal_title：American journal of respiratory and critical care medicine

authors： Wessendorf TE,Thilmann AF,Wang YM,Schreiber A,Konietzko N,Teschler H

更新日期：2000-12-01 00:00:00

abstract：:Arousal from sleep produces transient increases in systemic blood pressure, leading to the suggestion that repeated arousals are associated with a sustained increase in daytime blood pressure. Using data from the Wisconsin Sleep Cohort Study, a population-based study, we tested the hypothesis that sleep fragmentation ...

journal_title：American journal of respiratory and critical care medicine

authors： Morrell MJ,Finn L,Kim H,Peppard PE,Badr MS,Young T

更新日期：2000-12-01 00:00:00

abstract：:Men have higher prevalence rates of chronic obstructive pulmonary disease (COPD) than women, which has been attributed to the historically higher rates of cigarette smoking in males. However, the increased rates of cigarette smoking in females within the last several decades have been associated with steadily increasi...

journal_title：American journal of respiratory and critical care medicine

authors： Silverman EK,Weiss ST,Drazen JM,Chapman HA,Carey V,Campbell EJ,Denish P,Silverman RA,Celedon JC,Reilly JJ,Ginns LC,Speizer FE

更新日期：2000-12-01 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：:The nasal antiinflammatory effects produced by maintenance treatment with topical steroids include reduced production of cytokines. The present study explored nasal mucosal effects induced during the first 9 h after a single dose of topical budesonide. Nine subjects with allergic rhinitis due to birch or timothy polle...

journal_title：American journal of respiratory and critical care medicine

authors： Linden M,Svensson C,Andersson E,Andersson M,Greiff L,Persson CG

更新日期：2000-11-01 00:00:00

abstract：:Infection of the cystic fibrosis (CF) airways elicits an exaggerated, interleukin-8 (IL-8) mediated, neutrophil inflammatory response. Necrosing neutrophils release DNA and actin into the airways, increasing the viscoelasticity of airway secretions. Mucolytics aim to improve airway clearance by reducing this viscoelas...

journal_title：American journal of respiratory and critical care medicine

authors： Perks B,Shute JK

更新日期：2000-11-01 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 reported that systemic keratinocyte growth factor (KGF) given before bone marrow transplantation (BMT) prevents allogeneic T cell-dependent lung inflammation assessed on Day 7 post-BMT, but the antiinflammatory effects of KGF were impaired in mice injected with both T cells and conditioning regimen of cyclophospham...

journal_title：American journal of respiratory and critical care medicine

authors： Yang S,Panoskaltsis-Mortari A,Ingbar DH,Matalon S,Zhu S,Resnik ER,Farrell CL,Lacey DL,Blazar BR,Haddad IY

更新日期：2000-11-01 00:00:00

abstract：:Tumor-associated angiogenesis is important for tumor growth and metastasis. Interleukin (IL)-8 was recently reported to be an important angiogenic factor both in vitro and in vivo. In this study we evaluated, for the first time, IL-8 messenger RNA (mRNA) expression in non-small-cell lung cancer (NSCLC), using real-tim...

journal_title：American journal of respiratory and critical care medicine

authors： Yuan A,Yang PC,Yu CJ,Chen WJ,Lin FY,Kuo SH,Luh KT

更新日期：2000-11-01 00:00:00

abstract：:The Child Health Questionnaire (CHQ-PF50) is one of several recent efforts to gauge pediatric, health-related quality of life from the patient's (or parent's) perspective. Although tested extensively with healthy children, more information is needed about CHQ performance among children with chronic conditions such as ...

journal_title：American journal of respiratory and critical care medicine

authors： Asmussen L,Olson LM,Grant EN,Landgraf JM,Fagan J,Weiss KB

更新日期：2000-10-01 00:00:00

abstract：:The reaction of nitric oxide (NO) and superoxide anions (O(2)(-)) in the airway results in the formation of peroxynitrite, a highly reactive oxidant species. Peroxynitrite reacts with tyrosine residues in proteins to form the stable product nitrotyrosine. We investigated whether nitrotyrosine in exhaled breath condens...

journal_title：American journal of respiratory and critical care medicine

authors： Hanazawa T,Kharitonov SA,Barnes PJ

更新日期：2000-10-01 00:00:00

abstract：:Daily symptom, peak expiratory flow rate (PEFR), and medication diaries are often used in clinical trials of treatments for asthma on the assumption that they provide a better estimate of clinical status than does a questionnaire completed in the clinic. We conducted a study with the aim of comparing the measurement p...

journal_title：American journal of respiratory and critical care medicine

authors： Juniper EF,O'Byrne PM,Ferrie PJ,King DR,Roberts JN

更新日期：2000-10-01 00:00:00

abstract：:Quality of life has been found to be impaired both in patients with asthma and in patients with allergic rhinitis, but the relative burden of these diseases has not been investigated. We analyzed answers to the SF-36 questionnaire from 850 subjects recruited in two French centers participating in the European Communit...

journal_title：American journal of respiratory and critical care medicine

authors： Leynaert B,Neukirch C,Liard R,Bousquet J,Neukirch F

更新日期：2000-10-01 00:00:00

abstract：:Ethane is a product of lipid peroxidation as a result of oxidative stress and can be detected in the exhaled air. Oxidative stress plays a role in the pathogenesis of asthma. We measured exhaled ethane in 26 asthmatic subjects (mean age +/- SEM, 38 +/- 8 yr; 15 male, FEV(1) 60 +/- 4%) and compared it with exhaled nitr...

journal_title：American journal of respiratory and critical care medicine

authors： Paredi P,Kharitonov SA,Barnes PJ

更新日期：2000-10-01 00:00:00

abstract：:Obstructive apneas and hypopneas during sleep are a well recognized cause of excessive daytime sleepiness. Snoring is also associated with excess sleepiness, although it is not known whether this reflects an independent effect of snoring or whether snoring is simply a marker for obstructive sleep apnea. To further exp...

journal_title：American journal of respiratory and critical care medicine

authors： Gottlieb DJ,Yao Q,Redline S,Ali T,Mahowald MW

更新日期：2000-10-01 00:00:00

abstract：:We investigated 116 Italian atopic families (560 individuals) for linkage with 13 DNA markers on chromosome 12. All the subjects were phenotyped for asthma, total serum IgE, bronchial hyperresponsiveness, skin-prick positivity to common aeroallergens, and atopy. A relative location map of the markers was prepared from...

journal_title：American journal of respiratory and critical care medicine

authors： Malerba G,Lauciello MC,Scherpbier T,Trabetti E,Galavotti R,Cusin V,Pescollderungg L,Zanoni G,Martinati LC,Boner AL,Levitt RC,Pignatti PF

更新日期：2000-10-01 00:00:00

abstract：:The intestinal immune system discriminates between potentially harmful and harmless foreign proteins. The basis for this differential response may be related to the conditions of antigen presentation by antigen-presenting cells, as determined by their phenotype or activation state. How these conditions affect specific...

journal_title：American journal of respiratory and critical care medicine

authors： Smith KM,Eaton AD,Finlayson LM,Garside P

更新日期：2000-10-01 00:00:00

abstract：:In mechanically ventilated neonates, the instrumental dead space is a major determinant of total minute ventilation. By flushing this dead space, continuous tracheal gas insufflation (CTGI) may allow reduction of the risk of overinflation. We conducted a randomized trial to evaluate the efficacy of CTGI in reducing ai...

journal_title：American journal of respiratory and critical care medicine

authors： Dassieu G,Brochard L,Benani M,Avenel S,Danan C

更新日期：2000-09-01 00:00:00

abstract：:To define the mechanisms by which inhaled glucocorticosteroid regulates allergen-induced airway inflammation, a double-blind, placebo-controlled, cross-over study with inhaled budesonide was conducted in 14 subjects with allergic asthma. After baseline bronchoscopy and bronchoalveolar lavage (BAL), subjects were rando...

journal_title：American journal of respiratory and critical care medicine

authors： Kelly EA,Busse WW,Jarjour NN

更新日期：2000-09-01 00:00:00

abstract：:Lung transplantation with its attendant life-long immunosuppression contributes to bone loss and its sequelae, fractures and kyphosis, in patients with lung disease, many of whom already suffer from severe osteoporosis. Patients with cystic fibrosis (CF) are one of the most severely affected groups. We conducted a con...

journal_title：American journal of respiratory and critical care medicine

authors： Aris RM,Lester GE,Renner JB,Winders A,Denene Blackwood A,Lark RK,Ontjes DA

更新日期：2000-09-01 00:00:00

abstract：:Genes for the chemokine receptors CCR5 and CCR2 are characterized by polymorphisms resulting in a nonfunctional receptor expression. Ligands for CCR2 and CCR5 (chemokines monocyte chemotactic protein-1 [MCP-1] and RANTES) are implicated in the pathogenesis of sarcoidosis. We have, therefore, analyzed polymorphisms of ...

journal_title：American journal of respiratory and critical care medicine

authors： Petrek M,Drábek J,Kolek V,Zlámal J,Welsh KI,Bunce M,Weigl E,Du Bois R

更新日期：2000-09-01 00:00:00

abstract：:The stimuli controlling pharyngeal dilator muscles are poorly defined. Local mechanoreceptors are a leading possibility. To address this, we assessed the relationship between two dilator muscle electromyograms (EMGs, i.e., genioglossus [GG-an inspiratory phasic muscle], tensor palatini [TP-a tonically active muscle]) ...

journal_title：American journal of respiratory and critical care medicine

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

更新日期：2000-09-01 00:00:00

abstract：:Pulmonary tuberculosis, one of the granulomatous diseases, has few serological markers for its activity. Recently, an increased serum level of vascular endothelial growth factor (VEGF) was detected in patients with Crohn's disease, also a granulomatous disease. We hypothesized that VEGF might be associated with the pa...

journal_title：American journal of respiratory and critical care medicine

authors： Matsuyama W,Hashiguchi T,Matsumuro K,Iwami F,Hirotsu Y,Kawabata M,Arimura K,Osame M

更新日期：2000-09-01 00:00:00

abstract：:Most of the studies linking chronic obstructive pulmonary disease (COPD) with oxidative stress are in vitro, using invasive techniques, or measuring systemic oxidative stress. The aim of this study was to quantify oxidative stress in the lungs in patients with COPD and in healthy smokers, as reflected by 8-isoprostane...

journal_title：American journal of respiratory and critical care medicine

authors： Montuschi P,Collins JV,Ciabattoni G,Lazzeri N,Corradi M,Kharitonov SA,Barnes PJ

更新日期：2000-09-01 00:00:00