The number of alveoli in the human lung.

abstract：:Sarcoidosis is a systemic, granulomatous disorder with a high rate of spontaneous remission indicating the presence of antiinflammatory mechanisms. Antiinflammatory mediators such as interleukin-10 (IL-10) and transforming growth factor-beta (TGF-beta) should be able to induce spontaneous remission of sarcoidosis. By ...

journal_title：American journal of respiratory and critical care medicine

authors： Zissel G,Homolka J,Schlaak J,Schlaak M,Müller-Quernheim J

更新日期：1996-09-01 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：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：:If lipid peroxidation (LP) contributes to organ dysfunction in sepsis rather than simply reflecting established injury, it should occur soon after the onset of the septic insult, and it may not progress uniformly in all organs. We assessed whether LP occurs within 90 min after onset of continuous intravenous endotoxin...

journal_title：American journal of respiratory and critical care medicine

authors： Clements NC Jr,Habib MP

更新日期：1995-03-01 00:00:00

abstract：RATIONALE:Although interferon (IFN)-gamma release assays are approved for the diagnosis of latent tuberculosis infection (LTBI), limited data exist regarding their performance in HIV infection. OBJECTIVES:To compare tuberculin skin test (TST) results to the commercial IFN-gamma release assay QuantiFERON-TB Gold In-Tub...

journal_title：American journal of respiratory and critical care medicine

authors： Luetkemeyer AF,Charlebois ED,Flores LL,Bangsberg DR,Deeks SG,Martin JN,Havlir DV

更新日期：2007-04-01 00:00:00

abstract：:Smoking is the major risk factor for chronic respiratory symptoms, but dietary factors may also play a role. Most studies of diet and lung disease have been cross-sectional and conducted in populations with a Western-style diet. We analyzed the relation between dietary intake at baseline and new onset of cough with ph...

journal_title：American journal of respiratory and critical care medicine

authors： Butler LM,Koh WP,Lee HP,Yu MC,London SJ

更新日期：2004-08-01 00:00:00

abstract：:Large pleural effusions are typically associated with dyspnea and potential respiratory compromise. Experimental evidence suggests that with large effusions, increased intrapleural pressure may be transmitted to the pericardial space, resulting in impaired cardiac filling and reduced stroke volume. We report two cases...

journal_title：American journal of respiratory and critical care medicine

authors： Kaplan LM,Epstein SK,Schwartz SL,Cao QL,Pandian NG

更新日期：1995-03-01 00:00:00

abstract：:Superoxide dismutase (SOD) is a ubiquitous metalloenzyme in aerobic organisms that catalyzes the conversion of superoxide anion to hydrogen peroxide. Mycobacterium tuberculosis is unusual in that it secretes large quantities of iron-cofactored SOD. To determine the role of SOD in pathogenesis, we constructed mutants o...

journal_title：American journal of respiratory and critical care medicine

authors： Edwards KM,Cynamon MH,Voladri RK,Hager CC,DeStefano MS,Tham KT,Lakey DL,Bochan MR,Kernodle DS

更新日期：2001-12-15 00:00:00

abstract：:The role of nitric oxide (NO) in the host-defense against human tuberculosis (TB) is controversial. Although experimental evidence indicates that NO may play an important role in controlling TB, its expression in human tuberculous lungs has not been systematically characterized. We therefore investigated the expressio...

journal_title：American journal of respiratory and critical care medicine

authors： Choi HS,Rai PR,Chu HW,Cool C,Chan ED

更新日期：2002-07-15 00:00:00

abstract：:The safety of sputum induction and the reproducibility of measurements in induced sputum in multicenter studies is unknown. We examined the safety of sputum induction in a two-visit, six-center study in 79 subjects with moderate to severe asthma (mean +/- SD FEV(1) 71 +/- 12% predicted, 67% taking inhaled corticostero...

journal_title：American journal of respiratory and critical care medicine

authors： Fahy JV,Boushey HA,Lazarus SC,Mauger EA,Cherniack RM,Chinchilli VM,Craig TJ,Drazen JM,Ford JG,Fish JE,Israel E,Kraft M,Lemanske RF,Martin RJ,McLean D,Peters SP,Sorkness C,Szefler SJ,NHLBI Asthma Clinical Research Netw

更新日期：2001-05-01 00:00:00

abstract：:In vivo, IgE production is related to bronchial hyperresponsiveness and, in vitro, passive sensitization of human airways with asthmatic serum containing a high concentration of IgE enhances the contractile response to a variety of agonists. However, cell types implicated in this IgE sensitization are not fully determ...

journal_title：American journal of respiratory and critical care medicine

authors： Berger P,Walls AF,Marthan R,Tunon-de-Lara JM

更新日期：1998-02-01 00:00:00

abstract：RATIONALE:Despite increasing recognition of bone morphogenetic protein (BMP) signaling in tissue remodeling, the expression pattern of ligands and signaling pathways remain undefined in the asthmatic airway. OBJECTIVES:To determine expression of BMP ligands (BMP-2, BMP-4, and BMP-7) and type I and type II receptors (A...

journal_title：American journal of respiratory and critical care medicine

authors： Kariyawasam HH,Xanthou G,Barkans J,Aizen M,Kay AB,Robinson DS

更新日期：2008-05-15 00:00:00

abstract：:We surveyed pulmonologists to determine which procedures they do in practice, where they learned the procedures, and how much training they recommend to attain and maintain clinical competence in each. We mailed a survey to a random sample of 1,000 members of the American College of Physicians who were identified as p...

journal_title：American journal of respiratory and critical care medicine

authors： Tape TG,Blank LL,Wigton RS

更新日期：1995-02-01 00:00:00

abstract：:Rationale: The contributions of diverse cell populations in the human lung to pulmonary fibrosis pathogenesis are poorly understood. Single-cell RNA sequencing can reveal changes within individual cell populations during pulmonary fibrosis that are important for disease pathogenesis. Objectives: To determine whether s...

journal_title：American journal of respiratory and critical care medicine

authors： Reyfman PA,Walter JM,Joshi N,Anekalla KR,McQuattie-Pimentel AC,Chiu S,Fernandez R,Akbarpour M,Chen CI,Ren Z,Verma R,Abdala-Valencia H,Nam K,Chi M,Han S,Gonzalez-Gonzalez FJ,Soberanes S,Watanabe S,Williams KJN,Flozak

更新日期：2019-06-15 00:00:00

abstract：:Retrospective studies have suggested that combination antibiotic therapy for severe bacteremic pneumococcal pneumonia may reduce mortality. We assessed this issue in a prospective, multicenter, international observational study of 844 adult patients with bacteremia due to Streptococcus pneumoniae. The effect of combin...

journal_title：American journal of respiratory and critical care medicine

authors： Baddour LM,Yu VL,Klugman KP,Feldman C,Ortqvist A,Rello J,Morris AJ,Luna CM,Snydman DR,Ko WC,Chedid MB,Hui DS,Andremont A,Chiou CC,International Pneumococcal Study Group.

更新日期：2004-08-15 00:00:00

abstract：:The impact of methicillin resistance on morbidity and mortality of patients suffering from severe Staphylococcus aureus infections remains highly controversial. We analyzed a retrospective cohort of 97 patients with methicillin-susceptible and 74 patients with methicillin-resistant Staphylococcus aureus ventilator-ass...

journal_title：American journal of respiratory and critical care medicine

authors： Combes A,Luyt CE,Fagon JY,Wollf M,Trouillet JL,Gibert C,Chastre J,PNEUMA Trial Group.

更新日期：2004-10-01 00:00:00

abstract：:Asthma in children and young adults is strongly associated with immediate hypersensitivity to indoor allergens, notably those derived from the house dust mite. In addition, outdoor air pollution is considered to aggravate existing asthma. We investigated the prevalence of asthma and the pattern of allergen sensitizati...

journal_title：American journal of respiratory and critical care medicine

authors： Sporik R,Ingram JM,Price W,Sussman JH,Honsinger RW,Platts-Mills TA

更新日期：1995-05-01 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：: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：RATIONALE:There are no accepted blood-based biomarkers in chronic obstructive pulmonary disease (COPD). Pulmonary and activation-regulated chemokine (PARC/CCL-18) is a lung-predominant inflammatory protein that is found in serum. OBJECTIVES:To determine whether PARC/CCL-18 levels are elevated and modifiable in COPD an...

journal_title：American journal of respiratory and critical care medicine

authors： Sin DD,Miller BE,Duvoix A,Man SF,Zhang X,Silverman EK,Connett JE,Anthonisen NA,Wise RA,Tashkin D,Celli BR,Edwards LD,Locantore N,Macnee W,Tal-Singer R,Lomas DA,ECLIPSE Investigators.

更新日期：2011-05-01 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：RATIONALE:In the normal lung, breathing and deep inspirations potently antagonize bronchoconstriction, but in the asthmatic lung this salutary effect is substantially attenuated or even reversed. To explain these findings, the prevailing hypothesis focuses on contracting airway smooth muscle and posits a nonlinear dyna...

journal_title：American journal of respiratory and critical care medicine

authors： Lavoie TL,Krishnan R,Siegel HR,Maston ED,Fredberg JJ,Solway J,Dowell ML

更新日期：2012-08-01 00:00:00

abstract：RATIONALE:Inhaled human insulin (INH; Exubera [human insulin (recombinant DNA origin) Inhalation Powder]) causes small changes in pulmonary function and increases in insulin antibodies compared with subcutaneous (SC) insulin. OBJECTIVES:To investigate the relationship between changes in pulmonary function and insulin ...

journal_title：American journal of respiratory and critical care medicine

authors： Teeter JG,Riese RJ

更新日期：2006-06-01 00:00:00

abstract：:To attain a better understanding of antibiotic cycling and its effects on the epidemiology of antibiotic resistance in gram-negative microorganisms, two different antibiotic classes (quinolone and beta-lactam) were cycled during four 4-month periods in a surgical intensive care unit. Respiratory aspirates and rectal s...

journal_title：American journal of respiratory and critical care medicine

authors： van Loon HJ,Vriens MR,Fluit AC,Troelstra A,van der Werken C,Verhoef J,Bonten MJ

更新日期：2005-03-01 00:00:00

abstract：:The upper airway undergoes progressive changes during childhood. Using magnetic resonance imaging (MRI), we studied the growth relationships of the tissues surrounding the upper airway (bone and soft tissues) in 92 normal children (47% males; range, 1 to 11 yr) who underwent brain MRI. None had symptoms of sleep-disor...

journal_title：American journal of respiratory and critical care medicine

authors： Arens R,McDonough JM,Corbin AM,Hernandez ME,Maislin G,Schwab RJ,Pack AI

更新日期：2002-01-01 00:00:00

abstract：:Knowledge of the local and regional doses of inhaled particulates is crucial for inhalation therapy and for understanding the progression of pulmonary disease. We studied the deposition pattern of radioactively tagged particles in rats with chronic bronchitis. Rats were exposed to sulfur dioxide (SO2; 236 +/- 14 ppm) ...

journal_title：American journal of respiratory and critical care medicine

authors： Sweeney TD,Skornik WA,Brain JD,Hatch V,Godleski JJ

更新日期：1995-02-01 00:00:00

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：:This study examines hemodialysis clearances of isoniazid (INH), rifampin (RIF), pyrazinamide (PZA), and ethambutol (EMB). Seven chronic hemodialysis patients were studied. Six were given single oral doses (INH 300 mg, RIF 600 mg, PZA 1000 mg, and EMB 25 mg/kg) 2 h before hemodialysis (Cobe Centrysystem 3 hemodialysis ...

journal_title：American journal of respiratory and critical care medicine

authors： Malone RS,Fish DN,Spiegel DM,Childs JM,Peloquin CA

更新日期：1999-05-01 00:00:00

abstract：:REM-related oxygen desaturation occurs in advanced Duchenne muscular dystrophy (DMD) and might be an independent predictor of disease progression. We have followed 18 patients for 10 yr after an initial respiratory sleep study or until death or onset of nasal ventilation. We measured baseline spirometry, blood gas ten...

journal_title：American journal of respiratory and critical care medicine

authors： Phillips MF,Smith PE,Carroll N,Edwards RH,Calverley PM

更新日期：1999-07-01 00:00:00

abstract：RATIONALE:Activins are members of the transforming growth factor-beta superfamily thought to be involved in repair processes after tissue injury. OBJECTIVES:The aim of this study was to clarify whether activin and its antagonist, follistatin, played a significant role in lung injury and fibrosis. METHODS AND RESULTS:...

journal_title：American journal of respiratory and critical care medicine

authors： Aoki F,Kurabayashi M,Hasegawa Y,Kojima I

更新日期：2005-09-15 00:00:00