Perceptual and physiologic responses during treadmill and cycle exercise in patients with COPD.

abstract：BACKGROUND:Bosentan, an oral endothelin (ET)-A/ET-B receptor antagonist, is effective in the treatment of pulmonary arterial hypertension. OBJECTIVE:To investigate the safety and efficacy of bosentan therapy in patients with inoperable chronic thromboembolic pulmonary hypertension (CTEPH). DESIGN:Case series. SETTIN...

journal_title：Chest

authors： Bonderman D,Nowotny R,Skoro-Sajer N,Jakowitsch J,Adlbrecht C,Klepetko W,Lang IM

更新日期：2005-10-01 00:00:00

abstract：:This report describes the cross-sectional echocardiographic features of a left ventricular diverticulum. The echocardiographic findings are illustrated and discussed in relation to the diagnostic capabilities of this noninvasive imaging technique. ...

journal_title：Chest

authors： Estevez CM,Weyman AE,Feigenbaum H

更新日期：1976-04-01 00:00:00

abstract：:We report three cases of pulmonary edema associated with hyperbaric oxygen therapy, including one fatality. All three patients had cardiac disease and reduced left ventricular (LV) ejection fractions (EFs). Two patients had diabetes, and one patient had severe aortic stenosis. Hyperbaric oxygen therapy may contribute ...

journal_title：Chest

authors： Weaver LK,Churchill S

更新日期：2001-10-01 00:00:00

abstract：:We describe two patients with AIDS who developed new diffuse pulmonary infiltrates during the course of their hospitalization. In both cases, the infiltrates were attributed to pulmonary hemorrhage complicating an existing condition rather than representing a new pulmonary process. Identification of pulmonary hemorrha...

journal_title：Chest

authors： Koziel H,Haley K,Nasser I,Filderman AE

更新日期：1994-12-01 00:00:00

abstract：BACKGROUND:Self-reported tobacco pack-year history plays a large role in decisions about low-dose CT screening for lung cancer, yet is challenging to measure accurately. RESEARCH QUESTION:To what extent does random measurement error in pack-year information impact screening decisions and screening effectiveness? STUD...

journal_title：Chest

authors： Caverly TJ,Zhang X,Hayward RA,Zhu J,Waljee AK

更新日期：2020-09-14 00:00:00

abstract：:Echocardiography has proven a useful and sensitive means to determine noninvasively the cardiac dimensions. This report describes the echocardiographic detection of progressive dilatation of the aortic root over an 18-month period, which led to death in a 33-year-old man with Marfan's syndrome; however, at no time was...

journal_title：Chest

authors： Come PC,Bulkley BH,McKusick VA,Fortuin NJ

更新日期：1977-12-01 00:00:00

abstract：:Two subjects had silicosis complicated by tuberculosis. In both patients, there was a relapse of the tuberculosis after chemotherapy was discontinued, in one case after 13 years of therapy with isoniazid and p-aminosalicylic acid. It would appear that the risk of tuberculosis in subjects with silicosis persists for li...

journal_title：Chest

authors： Morgan EJ

更新日期：1979-02-01 00:00:00

abstract：:To evaluate whether epithelial damage of airways in asthma could be related to diminished levels of the low molecular weight bronchial leukocyte proteinase inhibitor (BLPI) in airways, we determined BLPI in bronchial washings of 13 asthma patients and 13 healthy subjects, using a sensitive enzyme-linked immunoassay. T...

journal_title：Chest

authors： Ochnio JJ,Abboud RT,Lam S,Johal SS,Smith CE,Johnson DA

更新日期：1988-05-01 00:00:00

abstract：BACKGROUND:There are several reports showing that expiratory muscle strength and endurance can be impaired in patients with COPD. This muscle weakness may have clinically relevant implications. Expiratory muscle training tended to improve cough and to reduce the sensation of respiratory effort during exercise in patien...

journal_title：Chest

authors： Weiner P,Magadle R,Beckerman M,Weiner M,Berar-Yanay N

更新日期：2003-08-01 00:00:00

abstract：BACKGROUND:Although diaphragmatic motion is readily studied by ultrasonography, the procedure remains poorly codified. The aim of this prospective study was to determine the reference values for diaphragmatic motion as recorded by M-mode ultrasonography. METHODS:Two hundred ten healthy adult subjects (150 men, 60 wome...

journal_title：Chest

authors： Boussuges A,Gole Y,Blanc P

更新日期：2009-02-01 00:00:00

abstract：:To evaluate comparative bronchodilator efficacy with chronic airflow obstruction (CAO), we randomly administered to ten patients week-long treatments consisting of: inhaled metaproterenol from a metered dose canister (1.30 mg six times a day) and doses of a sustained-release theophylline formulation sufficient to achi...

journal_title：Chest

authors： Dullinger D,Kronenberg R,Niewoehner DE

更新日期：1986-02-01 00:00:00

abstract：BACKGROUND:D6 is an atypical chemokine receptor involved in chemokine degradation and resolution of acute inflammatory responses in mice. Emerging evidence suggests that D6 might behave differently in human chronic inflammatory conditions. We, therefore, investigated the involvement of D6 in the immune responses in COP...

journal_title：Chest

authors： Bazzan E,Saetta M,Turato G,Borroni EM,Cancellieri C,Baraldo S,Savino B,Calabrese F,Ballarin A,Balestro E,Mantovani A,Cosio MG,Bonecchi R,Locati M

更新日期：2013-01-01 00:00:00

abstract：:The criteria of the American Thoracic Society (ATS) for determining the end-point of the forced vital capacity (FVC) maneuver were compared with an algorithm employed by a computer system (Hewlett-Packard), which yields a later end-point. The 150 subjects tested were divided into five groups of 30 on the basis of the ...

journal_title：Chest

authors： Pistelli G,Carmignani G,Paoletti P,Di Pede F,Viegi G,Carrozzi L,Celi A,Giuntini C

更新日期：1987-01-01 00:00:00

abstract：PURPOSE:The purpose of this study was to compare the pressure required to abolish apneas as predicted from a previously derived algorithm (Ppred) with the true effective pressure (Peff) determined during a continuous positive airway pressure (CPAP) titration study. SETTING:Sleep clinic of a university hospital. METHO...

journal_title：Chest

authors： Oliver Z,Hoffstein V

更新日期：2000-04-01 00:00:00

abstract：:The therapeutic effects of cuirass ventilation were studied in two patients with bilateral diaphragm paralysis. Negative inspiratory and positive expiratory pressure applied to the cuirass shell was transmitted to the abdominal and thoracic cavities. Diaphragm excursion was enhanced. Nocturnal cuirass ventilation appe...

journal_title：Chest

authors： Driver AG,Blackburn BB,Marcuard SP,Austin EH Jr

更新日期：1987-10-01 00:00:00

abstract：BACKGROUND:Patients with common variable immunodeficiency (CVID) suffer from respiratory infections leading over time to permanent lung damage. Increased radiosensitivity has been described, and clinicians should consider a risk-benefit assessment when ordering a CT scan, in that the exact level of "safe" radiation exp...

journal_title：Chest

authors： Serra G,Milito C,Mitrevski M,Granata G,Martini H,Pesce AM,Sfika I,Bonanni L,Catalano C,Fraioli F,Quinti I

更新日期：2011-12-01 00:00:00

abstract：OBJECTIVE:To assess late outcome following percutaneous tracheostomy using the Portex kit (Hythe, Kent, UK). DESIGN:Prospective observational cohort study. SETTING:Teaching hospital. PATIENTS:Forty-nine consecutive patients who underwent percutaneous tracheostomy in the ICU using the Portex kit and who survived 6 mo...

journal_title：Chest

authors： Leonard RC,Lewis RH,Singh B,van Heerden PV

更新日期：1999-04-01 00:00:00

abstract：:Lymphoid interstitial pneumonia (LIP) is regarded as both a disease and a nonneoplastic, inflammatory pulmonary reaction to various external stimuli or systemic diseases. It is an uncommon condition with incidence and prevalence rates that are largely unknown. Liebow and Carrington originally classified LIP as an idio...

journal_title：Chest

authors： Swigris JJ,Berry GJ,Raffin TA,Kuschner WG

更新日期：2002-12-01 00:00:00

abstract：BACKGROUND:Carotid arteriosclerosis and sleep apnea are considered as independent risk factors for stroke. Whether sleep apnea mediates severity of carotid stenosis remains unclear. Sleep apnea comprises two pathophysiologic conditions: OSA and central sleep apnea (CSA). Although OSA results from upper airway occlusion...

journal_title：Chest

authors： Ehrhardt J,Schwab M,Finn S,Guenther A,Schultze T,Witte OW,Rupprecht S

更新日期：2015-04-01 00:00:00

abstract：STUDY OBJECTIVE:To evaluate gas exchange, pulmonary function, and lung histology during gas ventilation of the perfluorocarbon-filled lung compared with gas ventilation of the gas-filled lung in severe respiratory failure. STUDY DESIGN:Application of gas (GV) or partial liquid (PLV) ventilation in lung-injured sheep. ...

journal_title：Chest

authors： Hirschl RB,Tooley R,Parent AC,Johnson K,Bartlett RH

更新日期：1995-08-01 00:00:00

abstract：BACKGROUND:Exhaled nitric oxide (eNO) is a convenient noninvasive marker for airway inflammation in several pulmonary diseases. However, external factors such as nitrate-rich nutrition can affect the levels of eNO and thus compromise its diagnostic value. STUDY OBJECTIVES:The objective of this investigation was to hav...

journal_title：Chest

authors： Vints AM,Oostveen E,Eeckhaut G,Smolders M,De Backer WA

更新日期：2005-10-01 00:00:00

abstract：CASE PRESENTATION:A 62-year-old woman with a history of partially treated Graves disease and hypertension presented with approximately 3 weeks of worsening fatigue, lower extremity myalgias, and shortness of breath. Her medical history included a thyroid radiofrequency ablation several years earlier. Following the abla...

journal_title：Chest

authors： Park BD,Lyn-Kew K,Granchelli A,Mehta A

更新日期：2020-03-01 00:00:00

abstract：OBJECTIVES:This study was designed to determine the incidence rate, define risk factors, and suggest proper management protocols for pulmonary artery (PA) rupture associated with Swan-Ganz catheters. DESIGN:This is a retrospective chart-review study. SETTING:This study involved 32,442 inpatients requiring hemodynamic...

journal_title：Chest

authors： Kearney TJ,Shabot MM

更新日期：1995-11-01 00:00:00

abstract：:Forty-seven cases of quadricuspid semilunar valves which were autopsied were reviewed. The ratio of quadricuspid pulmonic valve to quadricuspid aortic valve was 5:1. Among the 35 patients with quadricuspid pulmonic valves, there were ten patients with clinical and pathologic evidence of coexisting congenital cardiac d...

journal_title：Chest

authors： Davia JE,Fenoglio JJ,DeCastro CM,McAllister HA Jr,Cheitlin MD

更新日期：1977-08-01 00:00:00

abstract：:Immediate responses of hypersensitivity to skin testing with purified derivative of tuberculin (PPD) were observed in 2.3 percent of 3,248 patients seen in an allergy clinic, and the relationship to delayed responses was questioned. Immediate cutaneous reactions to testing with PPD appeared in all age groups and occur...

journal_title：Chest

authors： Tarlo SM,Day JH,Mann P,Day MP

更新日期：1977-01-01 00:00:00

abstract：:"Triad" asthmatics often have sinus disease, nasal polyps, and obstructive airways disease. This presentation is reminiscent of the symptoms of persons afflicted with various forms of ciliary dyskinesia. Therefore, we examined tissues from seven "triad" asthmatic patients for ciliary structural or functional abnormali...

journal_title：Chest

authors： Lewis FH,Beals TF,Carey TE,Baker SR,Mathews KP

更新日期：1983-03-01 00:00:00

abstract：:This study compared the nutritional status of patients with emphysema and chronic bronchitis and examined the relationship between lung dysfunction and nutritional depletion in patients with emphysema. There was no evidence of nutritional depletion in patients with chronic bronchitis (n = 4). In contrast, patients wit...

journal_title：Chest

authors： Openbrier DR,Irwin MM,Rogers RM,Gottlieb GP,Dauber JH,Van Thiel DH,Pennock BE

更新日期：1983-01-01 00:00:00

abstract：:A CO2 rebreathing method for the measurement of cardiac output was evaluated by comparison with the direct Fick O2 method in 26 studies performed in 18 patients who were critically ill. The method requires measurement of CO2 output by collection of expired gas, of arterial PCO2, and of mixed venous PCO2 by rebreathing...

journal_title：Chest

authors： Davis CC,Jones NL,Sealey BJ

更新日期：1978-02-01 00:00:00

abstract：STUDY OBJECTIVES:To examine the main therapeutic response patterns to high doses of salbutamol and to determine the factors that contribute to outcome in acute severe asthma. SETTING:The emergency department (ED) of a large, urban hospital with primary and referral care responsibilities. PATIENTS AND DESIGN:One hundr...

journal_title：Chest

authors： Rodrigo C,Rodrigo G

更新日期：1998-03-01 00:00:00

abstract：:Plug closure of patent ductus arteriosus without thoracotomy is reliable and can be a good alternative to surgical closure for selected patients. We report our experiences with plug closure in 87 consecutive patients (age range, 3 to 38 years). Closure was successful in 83 patients (95 percent). There has been no mort...

journal_title：Chest

authors： Kitamura S,Sato K,Naito Y,Shimizu Y,Fujino M

更新日期：1976-11-01 00:00:00