Diaphragm recruitment during nonrespiratory activities.

abstract：:Viral respiratory tract infections are associated with an acute increase in airway responsiveness in normal subjects and patients with asthma. Airway responsiveness is also increased at least transiently in animals during acute viral infections. In this article, we discuss possible mechanisms whereby viral infections ...

journal_title：American journal of respiratory and critical care medicine

authors： Hegele RG,Hayashi S,Hogg JC,Paré PD

更新日期：1995-05-01 00:00:00

abstract：:Genetic susceptibility to asthma is due to multiple genes that interact with each other and the environment. There are many known environmental influences, such as viral and other respiratory infections and exposure to allergens, air pollutants, and active or passive cigarette smoke (1). Genome-wide screens for asthma...

journal_title：American journal of respiratory and critical care medicine

authors： Bleecker ER,Postma DS,Meyers DA

更新日期：1997-10-01 00:00:00

abstract：RATIONALE:Current thinking accredits eosinophils with preeminent contributions to allergic airway responses, including a major role in the development of airway remodeling, a process thought to significantly contribute to airway dysfunction. However, direct evidence in support of this notion is limited and often contro...

journal_title：American journal of respiratory and critical care medicine

authors： Fattouh R,Al-Garawi A,Fattouh M,Arias K,Walker TD,Goncharova S,Coyle AJ,Humbles AA,Jordana M

更新日期：2011-01-15 00:00:00

abstract：RATIONALE:17β-Estradiol (E2) attenuates hypoxic pulmonary vasoconstriction and hypoxic pulmonary hypertension (HPH) through an unknown mechanism that may involve estrogen receptors (ER) or E2 conversion to catecholestradiols and methoxyestradiols with previously unrecognized effects on cardiopulmonary vascular remodeli...

journal_title：American journal of respiratory and critical care medicine

authors： Lahm T,Albrecht M,Fisher AJ,Selej M,Patel NG,Brown JA,Justice MJ,Brown MB,Van Demark M,Trulock KM,Dieudonne D,Reddy JG,Presson RG,Petrache I

更新日期：2012-05-01 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：: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：RATIONALE:Exacerbation of chronic obstructive pulmonary disease commonly causes hospitalization. The change in lung mechanics during exacerbation and its relationship to symptoms in spontaneously breathing individuals has not been described. OBJECTIVE:We hypothesized that changes in both airflow and lung volumes would...

journal_title：American journal of respiratory and critical care medicine

authors： Stevenson NJ,Walker PP,Costello RW,Calverley PM

更新日期：2005-12-15 00:00:00

abstract：:The epidemiologic characteristics of lung cancer in Taiwan differ from those in other parts of the world in low male-to-female ratio, the high percentage of adenocarcinoma, and the relatively high percentage of nonsmokers who are victims. To investigate possible correlation between p53 gene alteration and the unique c...

journal_title：American journal of respiratory and critical care medicine

authors： Lee LN,Shew JY,Sheu JC,Lee YC,Lee WC,Fang MT,Chang HF,Yu CJ,Yang PC,Luh KT

更新日期：1994-12-01 00:00:00

abstract：RATIONALE:Endobronchial ultrasound (EBUS) and electromagnetic navigation bronchoscopy (ENB) have increased the diagnostic yield of bronchoscopic diagnosis of peripheral lung lesions. However, the role of combining these modalities to overcome each individual technique's limitations and, consequently, to further increas...

journal_title：American journal of respiratory and critical care medicine

authors： Eberhardt R,Anantham D,Ernst A,Feller-Kopman D,Herth F

更新日期：2007-07-01 00:00:00

abstract：:This study was carried out to determine if the bronchoconstrictive effect of cigarette smoke (CS) is enhanced when airway hyperresponsiveness is induced by ovalbumin (Ova) sensitization, and if so, whether an increase in endogenously released tachykinins is involved. The bronchoconstrictive effects of an acute CS inha...

journal_title：American journal of respiratory and critical care medicine

authors： Wu ZX,Zhou D,Chen G,Lee LY

更新日期：2000-01-01 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：RATIONALE:When subclavian access is not possible, controversy exists between the internal jugular and femoral sites for the choice of central-venous access in intensive care unit patients. OBJECTIVES:To compare infection and colonization rates of short-term jugular and femoral catheters. METHODS:Using data from two m...

journal_title：American journal of respiratory and critical care medicine

authors： Timsit JF,Bouadma L,Mimoz O,Parienti JJ,Garrouste-Orgeas M,Alfandari S,Plantefeve G,Bronchard R,Troche G,Gauzit R,Antona M,Canet E,Bohe J,Herrault MC,Schwebel C,Ruckly S,Souweine B,Lucet JC

更新日期：2013-11-15 00:00:00

abstract：:To determine whether the diagnostic yield of transbronchial needle aspiration (TBNA) improves over time and to obtain insights about factors influencing its performance, we reviewed our experience during a 3-yr period. After serial multifaceted educational interventions directed toward bronchoscopists and their techni...

journal_title：American journal of respiratory and critical care medicine

authors： Haponik EF,Cappellari JO,Chin R,Adair NE,Lykens M,Alford PT,Bowton DL

更新日期：1995-06-01 00:00:00

abstract：:Segmental bronchoprovocation (SBP) with allergen was used in an attempt to study eosinophils recruited to the airway 24 h after challenge. Unexpectedly, in the first four patients, neutrophils (rather than eosinophils) were recruited in the bronchoalveolar lavage (BAL) fluids, and we hypothesized that the allergen ext...

journal_title：American journal of respiratory and critical care medicine

authors： Hunt LW,Gleich GJ,Ohnishi T,Weiler DA,Mansfield ES,Kita H,Sur S

更新日期：1994-06-01 00:00:00

abstract：RATIONALE:Clinical benefits of fixed-dose 100-mg subcutaneous (SC) mepolizumab in prednisone-dependent patients are modest when sputum eosinophilia is not adequately controlled. OBJECTIVES:This study compared treatment response of weight-adjusted intravenous (IV) reslizumab in patients previously treated with 100-mg S...

journal_title：American journal of respiratory and critical care medicine

authors： Mukherjee M,Aleman Paramo F,Kjarsgaard M,Salter B,Nair G,LaVigne N,Radford K,Sehmi R,Nair P

更新日期：2018-01-01 00:00:00

abstract：:The present study was designed to examine whether clenbuterol (CLEN) could reduce dexamethasone (DEX)-induced diaphragm dysfunction. We studied four groups of New Zealand white (NZW) rabbits, each receiving one of the following daily injections subcutaneously for 2 wk: saline (control), DEX 3 mg/kg, DEX 3 mg/kg + CLEN...

journal_title：American journal of respiratory and critical care medicine

authors： Jiang TX,Cairns A,Road JD,Wilcox PG

更新日期：1996-12-01 00:00:00

abstract：:Decreases in gastric mucosal pH (pHi) are associated with splanchnic hypoxia in animals and with increased mortality in patients. In the present study we measured changes in gastric pHi with a tonometer in septic patients after a short-term infusion of dobutamine. These changes were compared with concurrent alteration...

journal_title：American journal of respiratory and critical care medicine

authors： Gutierrez G,Clark C,Brown SD,Price K,Ortiz L,Nelson C

更新日期：1994-08-01 00:00:00

abstract：:The human pleural space is lined by a single layer of mesothelial cells, the intracellular pH (pH(i)) of which has never been investigated. In the present study, the intrinsic buffering power of H+ ions (beta(i)) and the pH(i) regulatory systems were investigated in primary cultures of human pleural mesothelial cells ...

journal_title：American journal of respiratory and critical care medicine

authors： Liaw YS,Yang PC,Yu CJ,Kuo SH,Luh KT,Lin YJ,Wu ML

更新日期：1997-02-01 00:00:00

abstract：RATIONALE:The relationship between clinical phenotype of childhood primary ciliary dyskinesia (PCD) and ultrastructural defects and genotype is poorly defined. OBJECTIVES:To delineate clinical features of childhood PCD and their associations with ultrastructural defects and genotype. METHODS:A total of 118 participan...

journal_title：American journal of respiratory and critical care medicine

authors： Davis SD,Ferkol TW,Rosenfeld M,Lee HS,Dell SD,Sagel SD,Milla C,Zariwala MA,Pittman JE,Shapiro AJ,Carson JL,Krischer JP,Hazucha MJ,Cooper ML,Knowles MR,Leigh MW

更新日期：2015-02-01 00:00:00

abstract：:Asthma is a chronic inflammatory disease that persists even during adequate therapy and asymptomatic episodes. We questioned whether "silent" chronic allergen exposure can induce and maintain airway inflammation and whether this still occurs during regular treatment with inhaled steroids. Twenty-six patients with hous...

journal_title：American journal of respiratory and critical care medicine

authors： de Kluijver J,Evertse CE,Schrumpf JA,van der Veen H,Zwinderman AH,Hiemstra PS,Rabe KF,Sterk PJ

更新日期：2002-08-01 00:00:00

abstract：:Diseases of the respiratory tract are among the leading causes of death in the world population. Increasing evidence points to a key role of the innate immune system with its pattern recognition receptors (PRRs) in both infectious and noninfectious lung diseases, which include pneumonia, chronic obstructive pulmonary ...

journal_title：American journal of respiratory and critical care medicine

authors： Opitz B,van Laak V,Eitel J,Suttorp N

更新日期：2010-06-15 00:00:00

abstract：RATIONALE:T-bet (TBX21 or T-box 21) is a critical regulator of T-helper 1 lineage commitment and IFN-gamma production. Knockout mice lacking T-bet develop airway hyperresponsiveness (AHR) to methacholine, peribronchial eosinophilic and lymphocytic inflammation, and increased type III collagen deposition below the bronc...

journal_title：American journal of respiratory and critical care medicine

authors： Raby BA,Hwang ES,Van Steen K,Tantisira K,Peng S,Litonjua A,Lazarus R,Giallourakis C,Rioux JD,Sparrow D,Silverman EK,Glimcher LH,Weiss ST

更新日期：2006-01-01 00:00:00

abstract：:Pulmonary hypertension associated with congestive heart failure carries a risk of right ventricular failure after cardiac transplantation. Few data, however, are available on the hemodynamic behavior of the pulmonary circulation in these patients. We therefore studied mean pulmonary artery pressure minus left atrial p...

journal_title：American journal of respiratory and critical care medicine

authors： Naeije R,Lipski A,Abramowicz M,Lejeune P,Mélot C,Antoine M,De Smet JM,Leclerc JL,Primo G

更新日期：1994-04-01 00:00:00

abstract：:To determine the usefulness of positron emission tomography with fluoro-2-deoxyglucose (PET-FDG) in assessing mediastinal disease in patients with non-small-cell lung cancer (NSCLC) and to compare its yield to that of computed tomography (CT), we performed a prospective consecutive sample investigation in a university...

journal_title：American journal of respiratory and critical care medicine

authors： Chin R Jr,Ward R,Keyes JW,Choplin RH,Reed JC,Wallenhaupt S,Hudspeth AS,Haponik EF

更新日期：1995-12-01 00:00:00

abstract：:The objective of this study was to evaluate the effectiveness of an asthma education program on morbidity, knowledge, and compliance with inhaled corticosteroid treatment using a prospective, randomized, controlled, one-year-before/one-year-after protocol. After rigorous optimization of asthma therapy under the care o...

journal_title：American journal of respiratory and critical care medicine

authors： Coté J,Cartier A,Robichaud P,Boutin H,Malo JL,Rouleau M,Fillion A,Lavallée M,Krusky M,Boulet LP

更新日期：1997-05-01 00:00:00

abstract：:State-dependent changes in upper airway caliber were studied with magnetic resonance imaging (MRI) techniques. We hypothesized that changes in airway caliber during sleep in normal subjects would result from positional and dimensional changes in upper airway soft-tissue structures, including the lateral pharyngeal wal...

journal_title：American journal of respiratory and critical care medicine

authors： Trudo FJ,Gefter WB,Welch KC,Gupta KB,Maislin G,Schwab RJ

更新日期：1998-10-01 00:00:00

abstract：RATIONALE:Diesel motor exhaust is classified by the International Agency for Research on Cancer as probably carcinogenic to humans. The epidemiologic evidence is evaluated as limited because most studies lack adequate control for potential confounders and only a few studies have reported on exposure-response relationsh...

journal_title：American journal of respiratory and critical care medicine

authors： Olsson AC,Gustavsson P,Kromhout H,Peters S,Vermeulen R,Brüske I,Pesch B,Siemiatycki J,Pintos J,Brüning T,Cassidy A,Wichmann HE,Consonni D,Landi MT,Caporaso N,Plato N,Merletti F,Mirabelli D,Richiardi L,Jöckel KH,Ah

更新日期：2011-04-01 00:00:00

abstract：RATIONALE:Nasal polyps (NPs) are characterized by intense edema or formation of pseudocysts filled with plasma proteins, mainly albumin. However, the mechanisms underlying NP retention of plasma proteins in their submucosa remain unclear. OBJECTIVES:We hypothesized that formation of a fibrin mesh retains plasma protei...

journal_title：American journal of respiratory and critical care medicine

authors： Takabayashi T,Kato A,Peters AT,Hulse KE,Suh LA,Carter R,Norton J,Grammer LC,Cho SH,Tan BK,Chandra RK,Conley DB,Kern RC,Fujieda S,Schleimer RP

更新日期：2013-01-01 00:00:00

abstract：:Chronic bacterial infection and neutrophilic inflammation characterize cystic fibrosis (CF) pulmonary disease. In many disorders, inflammation and angiogenesis are codependent phenomena. We previously noted excessive angiogenesis in CF tissues and elevated vascular endothelial growth factor (VEGF) in random serum samp...

journal_title：American journal of respiratory and critical care medicine

authors： McColley SA,Stellmach V,Boas SR,Jain M,Crawford SE

更新日期：2000-06-01 00:00:00

abstract：RATIONALE:From the late 1970s to the early 1990s, studies found that mortality rates for pulmonary fibrosis were increasing. Recent data for mortality from pulmonary fibrosis are unavailable. OBJECTIVES:We sought to determine mortality rates for pulmonary fibrosis in the United States from 1992 through 2003. METHODS:...

journal_title：American journal of respiratory and critical care medicine

authors： Olson AL,Swigris JJ,Lezotte DC,Norris JM,Wilson CG,Brown KK

更新日期：2007-08-01 00:00:00