abstract：:The effect of long-term exposure to air pollutants was studied in a cross-sectional population-based sample of adults (aged 18 to 60 yr; n = 9,651) residing in eight different areas in Switzerland. Standardized medical examination included questionnaire data, lung function tests, skin-prick testing, and end-expiratory...

journal_title：American journal of respiratory and critical care medicine

authors： Ackermann-Liebrich U,Leuenberger P,Schwartz J,Schindler C,Monn C,Bolognini G,Bongard JP,Brändli O,Domenighetti G,Elsasser S,Grize L,Karrer W,Keller R,Keller-Wossidlo H,Künzli N,Martin BW,Medici TC,Perruchoud AP,Schöni

更新日期：1997-01-01 00:00:00

abstract：:In this case-control family study of sleep-disordered breathing (SDB), we describe the distributions of SDB and SDB risk factors in African-Americans and Caucasians. A total of 225 African-Americans and 622 Caucasians, ages 2 to 86 yr, recruited as members of families with an individual with known sleep apnea (85 inde...

journal_title：American journal of respiratory and critical care medicine

authors： Redline S,Tishler PV,Hans MG,Tosteson TD,Strohl KP,Spry K

更新日期：1997-01-01 00:00:00

abstract：:Alkaline phosphatase (ALP) in lung lavage fluids is a marker of tissue damage and type II cell proliferation. Type II pneumocytes are extensively involved in fibrosis. The aim of our study was to verify whether local ALP activity can be held as a marker of fibrosis in chronic interstitial lung disorders. ALP was deter...

journal_title：American journal of respiratory and critical care medicine

authors： Capelli A,Lusuardi M,Cerutti CG,Donner CF

更新日期：1997-01-01 00:00:00

abstract：:Reexpansion of collapsed lung creates intrapulmonary shear forces. In an earlier study we showed that application of a negative end-expiratory airway pressure (NEEP) to normal rabbit lungs in vivo produced tidal collapse and reexpansion with transient changes in compliance and gas exchange but no histologic damage. In...

journal_title：American journal of respiratory and critical care medicine

authors： Taskar V,John J,Evander E,Robertson B,Jonson B

更新日期：1997-01-01 00:00:00

abstract：:To investigate patterns of testing for human immunodeficiency virus (HIV) infection in tuberculosis patients, we obtained data from the tuberculosis registry and from medical records of 500 tuberculosis patients in Los Angeles County. Sixty-three percent of tuberculosis patients were tested for HIV infection, and mult...

journal_title：American journal of respiratory and critical care medicine

authors： Asch SM,London AS,Barnes PF,Gelberg L

更新日期：1997-01-01 00:00:00

abstract：:There is a growing understanding of the effects and potential pathophysiological role of the ETs in asthma and several of the criteria required to strongly implicate ET-1 as a mediator in this disease have been fulfilled. However, some of the information is preliminary, equivocal and requires confirmation. Furthermore...

journal_title：American journal of respiratory and critical care medicine

authors： Hay DW,Henry PJ,Goldie RG

更新日期：1996-12-01 00:00:00

abstract：:We described here an original device for laser Doppler (LD) flowmetry measurements of gastric mucosal perfusion, which was used here in healthy volunteers. A modified nasogastric tube containing the LD probe was inserted. Aspiration via a catheter, fixed in parallel to the probe, held the probe against the gastric wal...

journal_title：American journal of respiratory and critical care medicine

authors： Duranteau J,Sitbon P,Vicaut E,Descorps-Declère A,Vigue B,Samii K

更新日期：1996-12-01 00:00:00

abstract：:Post-transplantation lymphoproliferative disorder (PTLD) is a widely recognized and often catastrophic complication of organ transplantation. The incidence of PTLD after lung transplantation ranges from 6.2 to 9.4% and is two-fold higher than that seen after organ transplantation of other organs. Primary Epstein-Barr ...

journal_title：American journal of respiratory and critical care medicine

authors： Aris RM,Maia DM,Neuringer IP,Gott K,Kiley S,Gertis K,Handy J

更新日期：1996-12-01 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：:Cyclophosphamide-induced lung toxicity may be difficult to recognize because of the presence of confounding variables such as concomitant use of other cytotoxic drugs, opportunistic infections, diffuse pulmonary malignancy, radiation pneumonitis, and oxygen toxicity. The purpose of this retrospective analysis was to i...

journal_title：American journal of respiratory and critical care medicine

authors： Malik SW,Myers JL,DeRemee RA,Specks U

更新日期：1996-12-01 00:00:00

abstract：:To investigate the mechanisms underlying ventilator-dependence in patients with chronic obstructive pulmonary disease (COPD), and to assess the effects of the combination of positive end-expiratory pressure (PEEP) and pressure-support ventilation (PSV) on inspiratory muscle effort, we investigated respiratory mechanic...

journal_title：American journal of respiratory and critical care medicine

authors： Appendini L,Purro A,Patessio A,Zanaboni S,Carone M,Spada E,Donner CF,Rossi A

更新日期：1996-11-01 00:00:00

abstract：:To gain insight into the source of exhaled nitric oxide (NO) in normal humans, we examined the effects of respiratory pattern on the concentration of NO in exhaled air while subjects were wearing a noseclip and then under endotracheal intubation, using a specially designed gas sampling system to separate exhaled air i...

journal_title：American journal of respiratory and critical care medicine

authors： Tsujino I,Miyamoto K,Nishimura M,Shinano H,Makita H,Saito S,Nakano T,Kawakami Y

更新日期：1996-11-01 00:00:00

abstract：:Humans exhibit an acute inflammatory response in the lungs after controlled laboratory exposure to ozone. The present study was designed to test whether biomarkers of inflammation are detectable in humans exposed to ozone and associated copollutants under natural conditions outdoors. Bronchoscopy with bronchoalveolar ...

journal_title：American journal of respiratory and critical care medicine

authors： Kinney PL,Nilsen DM,Lippmann M,Brescia M,Gordon T,McGovern T,El-Fawal H,Devlin RB,Rom WN

更新日期：1996-11-01 00:00:00

abstract：:Muscle nerve sympathetic activity (MSA), the interval between two R-waves in the ECG, or the interbeat interval (RR-interval), and blood pressure (BP) were recorded in 10 awake patients with obstructive sleep apnea (OSA) and in nine sex- and age-matched controls. Changes in RR-interval and MSA, evoked by sodium nitrop...

journal_title：American journal of respiratory and critical care medicine

authors： Carlson JT,Hedner JA,Sellgren J,Elam M,Wallin BG

更新日期：1996-11-01 00:00:00

abstract：:Exaggerated airway narrowing in response to bronchoconstricting stimuli is a characteristic feature of asthmatic subjects. It is unknown whether the site of airway narrowing differs in asthmatic subjects from that observed in normal subjects. Increased airway wall thickness has been suggested as a contributing cause f...

journal_title：American journal of respiratory and critical care medicine

authors： Okazawa M,Müller N,McNamara AE,Child S,Verburgt L,Paré PD

更新日期：1996-11-01 00:00:00

abstract：:Stimulation of the airways of asthmatic individuals causes severe bronchoconstriction, which is in part neurally mediated via the vagus nerve. Local anesthetics are commonly administered to prevent this reflex-induced bronchoconstriction. Therefore, in a double-blind, placebo-controlled prospective study, we tested th...

journal_title：American journal of respiratory and critical care medicine

authors： Groeben H,Foster WM,Brown RH

更新日期：1996-10-01 00:00:00

abstract：:We prospectively investigated the mechanism of airflow limitation before and after targeted emphysematous resection in 12 consecutively studied adult patients 68 +/- 4 yr of age (mean +/- SD) with very severe COPD undergoing bilateral thoracoscopic stapling techniques. Lung function, static lung elastic recoil, and ai...

journal_title：American journal of respiratory and critical care medicine

authors： Gelb AF,Zamel N,McKenna RJ Jr,Brenner M

更新日期：1996-10-01 00:00:00

abstract：:Decision analysis was used to compare three alternative strategies for a 6-mo course of treatment for tuberculosis: directly observed drug therapy (DOT), self-administered fixed-dose combination drug therapy, and self-administered conventional individual drug therapy. Estimates of effectiveness were obtained from the ...

journal_title：American journal of respiratory and critical care medicine

authors： Moore RD,Chaulk CP,Griffiths R,Cavalcante S,Chaisson RE

更新日期：1996-10-01 00:00:00

abstract：:Silicosis is characterized by fibrosing nodular lesions that may eventually develop into progressive massive fibrosis (PMF). Cytokines (interleukin-1beta [IL-1beta], tumor necrosis factor-alpha [TNF-alpha] and growth factors insulin-like growth factor-1 [IGF-1] platelet-derived growth factor [PDGF]) have been implicat...

journal_title：American journal of respiratory and critical care medicine

authors： Jagirdar J,Begin R,Dufresne A,Goswami S,Lee TC,Rom WN

更新日期：1996-10-01 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：:Despite several codes of research ethics, the issuance of comprehensive rules regarding informed consent by governmental agencies, and numerous writings on the subject of informed consent, many commentators still question the quality of the informed consent process in clinical research. A major concern is that investi...

journal_title：American journal of respiratory and critical care medicine

authors： Silverman HJ

更新日期：1996-09-01 00:00:00

abstract：:Allergen-induced bronchoconstriction involves mast cell activation. Tryptase is a mast cell serine protease that is released during this process, but little is known about the action of tryptase in the airway. The purpose of this study was to determine: (1) if aerosolized tryptase causes bronchoconstriction, and (2) t...

journal_title：American journal of respiratory and critical care medicine

authors： Molinari JF,Scuri M,Moore WR,Clark J,Tanaka R,Abraham WM

更新日期：1996-09-01 00:00:00

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：: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：:The cost effectiveness of asthma care is the first topic of the National Asthma Education and Prevention Program Task Force Report on the Cost Effectiveness, Quality of Care, and Financing of Asthma Care. This working group characterized the role of health economics in understanding optimal asthma management strategie...

journal_title：American journal of respiratory and critical care medicine

authors： Sullivan S,Elixhauser A,Buist AS,Luce BR,Eisenberg J,Weiss KB

更新日期：1996-09-01 00:00:00

abstract：:We investigated the relation between IgE reactive with histamine-releasing factor (HRF) and clinical status in patients with asthma or rhinitis. Sera were used to passively sensitize purified, lactic-acid treated basophils. IgE-independent HRF due to chemokines was removed from mononuclear cell supernatants with hepar...

journal_title：American journal of respiratory and critical care medicine

authors： Pasmans SG,Aalbers M,van der Veen MJ,Knol EF,van der Zee JS,Jansen HM,Aalberse RC

更新日期：1996-08-01 00:00:00

abstract：:Successful bronchodilator therapy with a metered-dose inhaler (MDI) in intubated, mechanically ventilated patients requires adequate delivery of aerosol to the lower respiratory tract. We determined the effect of ventilator mode, inspiratory flow pattern, humidity, and spontaneous respiratory effort on albuterol deliv...

journal_title：American journal of respiratory and critical care medicine

authors： Fink JB,Dhand R,Duarte AG,Jenne JW,Tobin MJ

更新日期：1996-08-01 00:00:00

abstract：:The purpose of this study was to evaluate the physiologic responses to endurance training in patients with moderate to severe airflow obstruction by specifically looking at changes in skeletal muscle enzymatic activities. Eleven patients (age = 65 +/- 7 yr, mean +/- SD, FEV1 = 36 +/- 11% of predicted value, range = 24...

journal_title：American journal of respiratory and critical care medicine

authors： Maltais F,LeBlanc P,Simard C,Jobin J,Bérubé C,Bruneau J,Carrier L,Belleau R

更新日期：1996-08-01 00:00:00

abstract：:In this investigation, tenascin (Tn) expression was studied in 51 cases of different types of fibrotic lung disorders originating for years 1981 to 1995. Our aim was to test if accumulation of Tn at the site of lung injury in usual interstitial pneumonia (UIP) could correlate with the prognosis. Lung biopsies taken fr...

journal_title：American journal of respiratory and critical care medicine

authors： Kaarteenaho-Wiik R,Tani T,Sormunen R,Soini Y,Virtanen I,Pääkkö P

更新日期：1996-08-01 00:00:00

abstract：:The inheritance of asthma, evident from its high family concordance, is not well understood. To investigate whether asthma may be inherited through a major gene with two alleles, segregation analyses were conducted in 3,369 individuals from 906 nuclear families enrolled, without selection, in a longitudinal study of r...

journal_title：American journal of respiratory and critical care medicine

authors： Holberg CJ,Elston RC,Halonen M,Wright AL,Taussig LM,Morgan WJ,Martinez FD

更新日期：1996-07-01 00:00:00

abstract：:Acute lung injury was produced in C57BL/6 mice by the intratracheal (i.t.) administration of bleomycin (BLM). Following injection of 0.1 U BLM, CD3+ lymphocytes and the production of the T-helper-1 (Th1) lymphokines interleukin-2 (IL-2) and interferon-gamma (IFN-gamma) were increased in lung and lymph nodes. The produ...

journal_title：American journal of respiratory and critical care medicine

authors： Sharma SK,MacLean JA,Pinto C,Kradin RL

更新日期：1996-07-01 00:00:00

abstract：:There is intriguing evidence suggesting pathophysiologic relationships among dyspnea, hyperventilation, and panic anxiety. The symptoms of panic attacks and pulmonary disease overlap, so that panic anxiety can reflect underlying cardiopulmonary disease and dyspnea can reflect an underlying anxiety disorder. The pathog...

journal_title：American journal of respiratory and critical care medicine

authors： Smoller JW,Pollack MH,Otto MW,Rosenbaum JF,Kradin RL

更新日期：1996-07-01 00:00:00

abstract：:Used adjunctively during mechanical ventilation, tracheal gas insufflation (TGI) improves CO2 elimination, principally by decreasing effective anatomic dead space. Continuing lung deflation at end- expiration raises the end-expiratory C02 concentration within the proximal airway, and could theoretically reduce the eff...

journal_title：American journal of respiratory and critical care medicine

authors： Ravenscraft SA,Shapiro RS,Nahum A,Burke WC,Adams AB,Nakos G,Marini JJ

更新日期：1996-06-01 00:00:00

abstract：:Current evidence suggests that patients with obstructive sleep apnea (OSA) may have augmented pharyngeal dilator muscle activity during wakefulness, to compensate for deficient anatomy. However, the isolated effect of sleep on the activity of these muscles (comparing OSA patients with controls) has not been studied. W...

journal_title：American journal of respiratory and critical care medicine

authors： Mezzanotte WS,Tangel DJ,White DP

更新日期：1996-06-01 00:00:00

abstract：:The factors that lead to increased production of specific IgG subclasses are still largely unknown. Recent studies suggest that increased IgG4 responses may be related to prolonged antigen exposure. We present data showing that increased IgG4 responses are found under conditions of chronic exposure to Aspergillus fumi...

journal_title：American journal of respiratory and critical care medicine

authors： Tomee JF,Dubois AE,Koëter GH,Beaumont F,van der Werf TS,Kauffman HF

更新日期：1996-06-01 00:00:00

abstract：:A study was done to compare the efficacy and safety of the coprescription of salmeterol 50 microgram twice daily or 100 microgram twice daily with beclomethasone dipropionate (BDP) 500 micrograms twice daily (SALM 50 and SALM 100) with BDP 1,000 microgram twice daily (BDP 1,000) in patients with asthma not controlled ...

journal_title：American journal of respiratory and critical care medicine

authors： Woolcock A,Lundback B,Ringdal N,Jacques LA

更新日期：1996-05-01 00:00:00

abstract：:We sought to describe pulmonary fibrosis mortality in the United States from 1979 through 1991 by analyzing death certificate reports compiled by the National Center for Health Statistics. Of the 26,866,600 people who died during the study period, 107,292 had a diagnosis of pulmonary fibrosis listed on their death cer...

journal_title：American journal of respiratory and critical care medicine

authors： Mannino DM,Etzel RA,Parrish RG

更新日期：1996-05-01 00:00:00

abstract：:We have investigated the influence of the cytokine tumor necrosis factor alpha (TNF alpha), an important mediator of sepsis, on in vitro hamster diaphragm contractility. Costal diaphragm strips were excised and mounted on an experimental apparatus consisting of a force transducer and servomotor. Preparations were rand...

journal_title：American journal of respiratory and critical care medicine

authors： Wilcox P,Milliken C,Bressler B

更新日期：1996-05-01 00:00:00

abstract：:Previous studies reported linkage between maternally inherited atopy and the beta subunit of the high affinity IgE receptor (Fc epsilon RI-beta) located on chromosome 11q13. We have investigated 45 Italian families with atopic asthmatic children, for a total of 213 subjects, including 148 patients. Genotyping was carr...

journal_title：American journal of respiratory and critical care medicine

authors： Martinati LC,Trabetti E,Casartelli A,Boner AL,Pignatti PF

更新日期：1996-05-01 00:00:00

abstract：:This study was designed to evaluate the value and applicability of tidal breathing pattern analysis to assess airflow obstruction in young children. The time needed to reach maximal tidal expiratory flow (TME) divided by total expiratory time (TE) was measured in 228 healthy children 3 to 11 yr of age, 64 patients wit...

journal_title：American journal of respiratory and critical care medicine

authors： van der Ent CK,Brackel HJ,van der Laag J,Bogaard JM

更新日期：1996-04-01 00:00:00