abstract：:In order to determine the long-term sequelae of prune belly syndrome (PBS) and whether the absence of abdominal wall musculature impairs exercise performance we studied nine patients 6 to 31 yr of age with PBS. Conventional spirometry, lung volumes, DLCO, and respiratory muscle strength were measured. A progressive 1-...

journal_title：American journal of respiratory and critical care medicine

authors： Ewig JM,Griscom NT,Wohl ME

更新日期：1996-04-01 00:00:00

abstract：:Kaposi's sarcoma (KS) is the most common neoplasm in persons infected with the human immunodeficiency virus (HIV). However, information about the presenting features of pulmonary KS is limited. To describe the clinical, laboratory, and radiographic features of pulmonary KS, medical records and chest radiographs of 168...

journal_title：American journal of respiratory and critical care medicine

authors： Huang L,Schnapp LM,Gruden JF,Hopewell PC,Stansell JD

更新日期：1996-04-01 00:00:00

abstract：:To investigate the utility of testing all tuberculosis patients for HIV infection in Los Angeles, we prospectively evaluated 183 hospitalized patients with acid-fast smear-positive tuberculosis who gave no history of HIV infection. HIV serologic testing was performed, and the presence of risk factors for HIV infection...

journal_title：American journal of respiratory and critical care medicine

authors： Barnes PF,Silva C,Otaya M

更新日期：1996-04-01 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：:Previous study of adrenergic control of the tracheal vasculature in rats (1) demonstrated that beta-adrenergic blockade heightened arteriolar and large venular contractile responses to norepinephrine, a nonselective alpha-adrenergic agonist. The present study was undertaken to confirm the presence of functional beta-a...

journal_title：American journal of respiratory and critical care medicine

authors： Corboz MR,Ballard ST,Inglis SK,Taylor AE

更新日期：1996-03-01 00:00:00

abstract：:Pleural disease both before and after organ transplantation has important implications. Pleural effusions are common in candidates for heart, liver, and kidney transplantation. A thoracentesis is not mandatory in these patients, but it should be performed if clinical or radiologic features suggest that the effusion is...

journal_title：American journal of respiratory and critical care medicine

authors： Judson MA,Sahn SA

更新日期：1996-03-01 00:00:00

abstract：:We have studied intrasubject variability with respect to counts of immunostained inflammatory cells in snap frozen endobronchial biopsies from a group of patients with clinically mild to moderate stable asthma. Fiberoptic bronchoscopy was used to obtain endobronchial biopsies from the upper and lower lobes in 12 volun...

journal_title：American journal of respiratory and critical care medicine

authors： Richmond I,Booth H,Ward C,Walters EH

更新日期：1996-03-01 00:00:00

abstract：:The role of nutritional status in the prognosis of subjects with severe chronic obstructive pulmonary disease was studied in a cohort of Canadian men and women followed for 3 to 5 yr. A total of 348 subjects who were recruited for a study of negative pressure ventilation were evaluated for lung function and body weigh...

journal_title：American journal of respiratory and critical care medicine

authors： Gray-Donald K,Gibbons L,Shapiro SH,Macklem PT,Martin JG

更新日期：1996-03-01 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：:Bronchial overproduction of leukotrienes and inhibition of prostaglandin synthesis are involved in the pathogenesis of aspirin-induced asthma. We investigated whether inhaled prostaglandin E2 (PGE2) attenuates the response to bronchial challenge with lysine acetylsalicylate (LASA) and the associated increase in urinar...

journal_title：American journal of respiratory and critical care medicine

authors： Sestini P,Armetti L,Gambaro G,Pieroni MG,Refini RM,Sala A,Vaghi A,Folco GC,Bianco S,Robuschi M

更新日期：1996-02-01 00:00:00

abstract：:The inflammatory cytokines, tumor necrosis factor-alpha (TNF-alpha) and interleukin-1-beta (IL-1 beta), have been associated with accelerated metabolism and protein turnover following exogenous administration in normal humans. We hypothesized that these inflammatory cytokines might contribute to the weight-losing proc...

journal_title：American journal of respiratory and critical care medicine

authors： de Godoy I,Donahoe M,Calhoun WJ,Mancino J,Rogers RM

更新日期：1996-02-01 00:00:00

abstract：:We investigated the relationship between annual change in pulmonary function and changes in respiratory symptoms among male grain elevator workers who participated in a health surveillance program mandated by Labour Canada. The surveillance was conducted every 3 yr starting from the period 1978 to 1981. The 1,211 work...

journal_title：American journal of respiratory and critical care medicine

authors： Senthilselvan A,Pahwa P,Wang P,McDuffie HH,Dosman JA

更新日期：1996-02-01 00:00:00

abstract：:During exercise, children with congenital central hypoventilation syndrome (CCHS) demonstrate coupling of VE to exercise load, despite the absence of a VE response to changes in FICO2. To assess the effect of movement on VE, we studied six CCHS patients and six matched controls during passive motion in a motor-driven ...

journal_title：American journal of respiratory and critical care medicine

authors： Gozal D,Marcus CL,Ward SL,Keens TG

更新日期：1996-02-01 00:00:00

abstract：:Historically, infections caused by Mycobacterium tuberculosis have been treated simultaneously with isoniazid and rifampin. As a consequence of this combined therapy, strains resistant only to rifampin were rarely recovered. However, recently there has been an increasing number of reports describing HIV-positive patie...

journal_title：American journal of respiratory and critical care medicine

authors： Lutfey M,Della-Latta P,Kapur V,Palumbo LA,Gurner D,Stotzky G,Brudney K,Dobkin J,Moss A,Musser JM,Kreiswirth BN

更新日期：1996-02-01 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：:In a previous study of older pulp and paper workers in Berlin, New Hampshire, decrements in spirometry results associated with accidental exposures to high levels of irritant gases depended on cumulative levels of pulp mill exposure and cigarette smoking. Many of those subjects were older and retired. A new study was ...

journal_title：American journal of respiratory and critical care medicine

authors： Henneberger PK,Lax MB,Ferris BG Jr

更新日期：1996-01-01 00:00:00

abstract：:Ventilatory responses to peripheral chemoreceptor stimuli are absent in patients with Prader-Willi syndrome (PWS) during wakefulness. Because arousal from sleep after rapidly developing hypoxia may require intact peripheral chemoreceptor function, we hypothesized that blunted hypoxic arousal responses during sleep Sta...

journal_title：American journal of respiratory and critical care medicine

authors： Arens R,Gozal D,Burrell BC,Bailey SL,Bautista DB,Keens TG,Ward SL

更新日期：1996-01-01 00:00:00

abstract：:Because interleukin 8 (IL-8) is a potent neutrophil chemotactic and activating cytokine, we investigated IL-8 production in relation to neutrophil migration and elastase release in the human lung during unilateral community-acquired pneumonia (CAP). In 17 patients, the local response in the involved lung was compared ...

journal_title：American journal of respiratory and critical care medicine

authors： Boutten A,Dehoux MS,Seta N,Ostinelli J,Venembre P,Crestani B,Dombret MC,Durand G,Aubier M

更新日期：1996-01-01 00:00:00

abstract：:The present study was undertaken to determine if a synthetic peptide, KLLLLKLLLLKLLLLKLLLLK (KL4), in which K = lysine and L = leucine, in an aqueous dispersion of phospholipids (DPPC and POPG), would expand pulmonary alveoli and improve gas exchange in premature human infants with respiratory distress syndrome (RDS)....

journal_title：American journal of respiratory and critical care medicine

authors： Cochrane CG,Revak SD,Merritt TA,Heldt GP,Hallman M,Cunningham MD,Easa D,Pramanik A,Edwards DK,Alberts MS

更新日期：1996-01-01 00:00:00

abstract：:The relationships between mite and cat allergen levels in the home, skin test reactivity, and severity of asthma were explored in 120 asthmatic subjects, 57 in Vancouver and 63 in Winnipeg. Patients in the two cities were similar in age, gender distribution, and severity of asthma. Skin tests were performed using 13 c...

journal_title：American journal of respiratory and critical care medicine

authors： Chan-Yeung M,Manfreda J,Dimich-Ward H,Lam J,Ferguson A,Warren P,Simons E,Broder I,Chapman M,Platts-Mills T

更新日期：1995-12-01 00:00:00

abstract：:Viral-induced symptomatic respiratory infections (SRI) frequently cause exacerbations of asthma in children. This study investigated the protective effects of 0.5% nedocromil sodium nebulizer solution given three times a day in preventing asthma exacerbations associated with SRI. Ninety-three mild-moderate asthmatic c...

journal_title：American journal of respiratory and critical care medicine

authors： König P,Eigen H,Ellis MH,Ellis E,Blake K,Geller D,Shapiro G,Welch M,Scott C

更新日期：1995-12-01 00:00:00

abstract：:Although sleep-disordered breathing (SDB) has been shown to be very prevalent in the elderly, little has been done to examine differences between the elderly of different racial groups. It has been well documented that SDB often results in hypertension and that hypertension is more common in African-Americans than in ...

journal_title：American journal of respiratory and critical care medicine

authors： Ancoli-Israel S,Klauber MR,Stepnowsky C,Estline E,Chinn A,Fell R

更新日期：1995-12-01 00:00:00

abstract：:The length of time that blood remains in the pulmonary capillary is an important variable in gas exchange. We have investigated the distribution of capillary transit times in isolated rabbit lungs perfused with a bicarbonate-free buffer. The time course of gas exchange was monitored by enclosing the lungs in a plethys...

journal_title：American journal of respiratory and critical care medicine

authors： Klocke RA,Schünemann HJ,Grant BJ

更新日期：1995-12-01 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：:This study investigated the clinico-pathologic correlation of tumor angiogenesis in non-small-cell lung cancers. Formalin-fixed, paraffin-embedded surgical specimens of 55 consecutive patients with primary non-small-cell lung cancers were examined. Included were 26 squamous cell carcinomas and 29 adenocarcinomas. Twen...

journal_title：American journal of respiratory and critical care medicine

authors： Yuan A,Yang PC,Yu CJ,Lee YC,Yao YT,Chen CL,Lee LN,Kuo SH,Luh KT

更新日期：1995-12-01 00:00:00

abstract：:We prospectively investigated the lower airway response in boilermakers overhauling an oil-powered boiler. We studied 26 male boilermakers with a mean age (SD) of 43.3 (8.6) yr. Pre-exposure spirometry and methacholine challenge tests were performed before beginning the boiler overhaul; postexposure tests were perform...

journal_title：American journal of respiratory and critical care medicine

authors： Hauser R,Elreedy S,Hoppin JA,Christiani DC

更新日期：1995-11-01 00:00:00

abstract：:Surfactant protein B (SP-B) is one of the essential constituents of the alveolar surfactant system, presenting mainly in the form of SP-B dimer. The measurement of this molecule in biologic samples has been hampered by its extreme hydrophobicity and intimate association with surfactant lipids. We developed a solid-pha...

journal_title：American journal of respiratory and critical care medicine

authors： Krämer HJ,Schmidt R,Günther A,Becker G,Suzuki Y,Seeger W

更新日期：1995-11-01 00:00:00

abstract：:Secretory leukocyte protease inhibitor (SLPI) and elafin are structurally similar, low-molecular-weight antiproteases produced in the lung. We have developed a simple method for distinguishing the antiprotease activities of SLPI and elafin in lung lavage fluid from those of alpha 1-antitrypsin (alpha 1-AT) that is bas...

journal_title：American journal of respiratory and critical care medicine

authors： Nadziejko C,Finkelstein I,Balmes JR

更新日期：1995-11-01 00:00:00

abstract：:The potent bronchoconstrictor and mitogenic actions of the peptide endothelin-1 (ET-1) on airway smooth muscle may contribute significantly to the bronchial obstruction observed in asthma. However, the status of the receptor-effector systems that mediate these actions of ET-1 in asthmatic airways is currently unknown....

journal_title：American journal of respiratory and critical care medicine

authors： Goldie RG,Henry PJ,Knott PG,Self GJ,Luttmann MA,Hay DW

更新日期：1995-11-01 00:00:00

abstract：:The involvement of platelet-activating factor (PAF) in bronchial hyperresponsiveness (BHR) in bronchial asthma has been controversial. To determine whether PAF is involved in BHR in humans, we carried out a randomized, double-blind, placebo-controlled, two-phase cross-over study on the effects of Y-24180, a potent, sp...

journal_title：American journal of respiratory and critical care medicine

authors： Hozawa S,Haruta Y,Ishioka S,Yamakido M

更新日期：1995-10-01 00:00:00

abstract：:To investigate the effect of smoking cessation on the airway inflammatory process present in nonatopic subjects with chronic bronchitis, we obtained bronchial biopsies from nine current smokers and seven exsmokers, all with symptoms of chronic bronchitis at the time of the study, and from seven healthy nonsmoking subj...

journal_title：American journal of respiratory and critical care medicine

authors： Turato G,Di Stefano A,Maestrelli P,Mapp CE,Ruggieri MP,Roggeri A,Fabbri LM,Saetta M

更新日期：1995-10-01 00:00:00

abstract：:Nitric oxide (NO) may play a part in pulmonary vascular regulation and bronchomotor control and has been detected in exhaled air. We report the release of NO from airway epithelial cells and its regulation by cyclic adenosine monophosphate (cAMP). To directly measure NO release, a highly specific amperometric sensor f...

journal_title：American journal of respiratory and critical care medicine

authors： Tamaoki J,Kondo M,Takemura H,Chiyotani A,Yamawaki I,Konno K

更新日期：1995-10-01 00:00:00

abstract：:The aim of this study was to evaluate the effect of two body positions (supine and semirecumbency) on the dynamics of gastroesophageal reflux (GER) in 15 patients requiring mechanical ventilation and having a nasogastric tube in place. Samples of gastric contents, pharyngeal and bronchial secretions, and blood were ob...

journal_title：American journal of respiratory and critical care medicine

authors： Orozco-Levi M,Torres A,Ferrer M,Piera C,el-Ebiary M,de la Bellacasa JP,Rodriguez-Roisin R

更新日期：1995-10-01 00:00:00

abstract：:Selected events in rhinovirus infection of the normal human airway can be regarded as occurring sequentially. Initial steps in rhinovirus pathogenesis are believed to include viral entry into the nose, mucociliary transport of virus to the posterior pharynx, and initiation of infection in ciliated and non-ciliated epi...

journal_title：American journal of respiratory and critical care medicine

authors： Gwaltney JM Jr

更新日期：1995-10-01 00:00:00

abstract：:Ventilation was measured in 31 difficult-to-wean patients while pressure support (PS) was reduced by 5 cm H2O every 20 min. Weaning had to be aborted in 14 of 31 patients (Group F) because they met predefined distress criteria. The remaining 17 patients who were able to complete the "weaning test" (Group S) had larger...

journal_title：American journal of respiratory and critical care medicine

authors： Stroetz RW,Hubmayr RD

更新日期：1995-09-01 00:00:00

abstract：:This is a study of the reliability of peak expiratory flow (PEF) monitoring using a portable computerized peak flow meter, the VMX Mini-log, in 17 subjects referred for suspected occupational asthma. Subjects were requested to monitor their PEF six times daily using the VMX Mini-Log for 2 wk at work and at least 10 d ...

journal_title：American journal of respiratory and critical care medicine

authors： Quirce S,Contreras G,Dybuncio A,Chan-Yeung M

更新日期：1995-09-01 00:00:00

abstract：:To help assess short-term respiratory responses to summertime air pollution, we exposed 24 asthmatic volunteers aged 11-18 in a chamber to respirable acid aerosol (mass median aerodynamic diameter 0.66 micron) plus 0.3 ppm nitrogen dioxide (NO2) plus 0.2 ppm ozone (O3). The aerosol contained available hydrogen ions (H...

journal_title：American journal of respiratory and critical care medicine

authors： Linn WS,Anderson KR,Shamoo DA,Edwards SA,Webb TL,Hackney JD,Gong H Jr

更新日期：1995-09-01 00:00:00

abstract：:Reduced diaphragm contractility has been described in normal subjects after whole body endurance exercise, and it indicates low frequency fatigue (LFF); it is unknown whether LFF is of clinical importance. We therefore studied the effect of treadmill exercise to exhaustion on diaphragm contractility in six patients wi...

journal_title：American journal of respiratory and critical care medicine

authors： Polkey MI,Kyroussis D,Keilty SE,Hamnegard CH,Mills GH,Green M,Moxham J

更新日期：1995-09-01 00:00:00

abstract：:The aim of the study was to determine whether closing pressures or vascular distensibility can be used to describe liver venous hemodynamics when right atrial pressure is raised. The study was performed using a vascularly isolated pig liver preparation that allowed the independent control of portal vein and hepatic ar...

journal_title：American journal of respiratory and critical care medicine

authors： Brienza N,Ayuse T,O'Donnell CP,Permutt S,Robotham JL

更新日期：1995-08-01 00:00:00

abstract：:Methodologies used to assess airway responsiveness (AR) in children administer the same dosage schedule to all children despite the great range in the size of subjects. The aim of this study was to examine the hypothesis that the level of AR is size dependent within same-age cohorts and between different ages. Among a...

journal_title：American journal of respiratory and critical care medicine

authors： Le Souëf PN,Sears MR,Sherrill D

更新日期：1995-08-01 00:00:00