Use of a highly purified alpha 1-antitrypsin standard to establish ranges for the common normal and deficient alpha 1-antitrypsin phenotypes.

abstract：:The differentiation of ventricular tachycardia from supraventricular conducted with aberration constitutes a perennial challenge. We report a new surface ECG clue, hitherto undescribed, the presence of which, during wide QRS tachycardia, indicates that the tachycardia in question is ventricular rather than supraventri...

journal_title：Chest

authors： Reddy GV,Leghari RU

更新日期：1987-10-01 00:00:00

abstract：:With aging, the heart, kidneys, liver, lungs, and brain lose mass. While not inherently impaired, the reserve capacity of the older individual to compensate for stress, metabolic derangement, and drug metabolism is increasingly limited. Functional disability occurs faster and takes longer to remediate, necessitating e...

journal_title：Chest

authors： Oskvig RM

更新日期：1999-05-01 00:00:00

abstract：STUDY OBJECTIVES:Specialty societies have developed practice guidelines for the treatment of community-acquired pneumonia (CAP). To aid in adapting specialty recommendations for a pneumonia practice guideline at Intermountain Health Care, we investigated which physicians care for pneumonia patients in Utah. We wanted t...

journal_title：Chest

authors： Dean NC,Silver MP,Bateman KA

更新日期：2000-02-01 00:00:00

abstract：:Providing artificial nutrition is an important part of caring for critically ill patients. However, because of a paucity of robust data, the practice has been highly variable and often based more on dogma than evidence. A number of studies have been published investigating many different aspects of critical care nutri...

journal_title：Chest

authors： Desai SV,McClave SA,Rice TW

更新日期：2014-05-01 00:00:00

abstract：BACKGROUND:The study documented the emergence of new forms of resistant bacilli (totally drug-resistant [TDR] or super extensively drug-resistant [XDR] tuberculosis [TB] strains) among patients with multidrug-resistant TB (MDR-TB). METHODS:Susceptibility testing against first- and second-line drugs was performed on is...

journal_title：Chest

authors： Velayati AA,Masjedi MR,Farnia P,Tabarsi P,Ghanavi J,ZiaZarifi AH,Hoffner SE

更新日期：2009-08-01 00:00:00

abstract：:We report a case of nearly fatal cardiovascular collapse attributable to an idiopathic anaphylactic reaction in a 76-year-old man. The event began with gastrointestinal symptoms of abdominal cramps, diarrhea, nausea, and vomiting as manifestations of IA. The patient subsequently progressed to develop urticaria, flushi...

journal_title：Chest

authors： Wong S,Greenberger PA,Patterson R

更新日期：1990-08-01 00:00:00

abstract：BACKGROUND:Lymph node status is a major determinant of stage and survival in patients with lung cancer; however, little information is available about the expected yield of a mediastinal lymphadenectomy. METHODS:The American College of Surgeons Oncology Group Z0030 prospective, randomized trial of mediastinal lymph no...

journal_title：Chest

authors： Darling GE,Allen MS,Decker PA,Ballman K,Malthaner RA,Inculet RI,Jones DR,McKenna RJ,Landreneau RJ,Putnam JB Jr

更新日期：2011-05-01 00:00:00

abstract：:A 60-year-old woman with recent onset of exertional chest pain, left anterior hemiblock and negative stress electrocardiogram was found to have hypoplasia of the coronary sinus with drainage of the major coronary venous blood by way of the Thebesian system into the left ventricle. This abnormality appeared to be of no...

journal_title：Chest

authors： Kinard SA

更新日期：1975-09-01 00:00:00

abstract：:Interstitial pneumonitis in children is a rare and poorly understood disease. Controversy exists as to whether the varoius histologic changes encountered represent different disease or a spectrum of the same disease. Fourteen biopsy-confirmed cases of desquamative interstitial pneumonitis in children were seen at the ...

journal_title：Chest

authors： Stillwell PC,Norris DG,O'Connell EJ,Rosenow EC 3rd,Weiland LH,Harrison EG Jr

更新日期：1980-02-01 00:00:00

abstract：:Parasitic infestations affect millions of the world's population. Global immigration and climate change have led to changes in the natural distribution of parasitic diseases far removed from endemic areas. A broad spectrum of helminthic and protozoal parasitic diseases frequently affects the respiratory system. The wi...

journal_title：Chest

authors： Khemasuwan D,Farver CF,Mehta AC

更新日期：2014-04-01 00:00:00

abstract：:Pneumocystis carinii pneumonia was suggested by a diffuse, bilateral pulmonary uptake of gallium-67 in an asymptomatic, homosexual male with the antibody to the immunodeficiency virus (HIV) who was undergoing staging evaluation for lymphoma clinically localized to a left inguinal lymph node. Chest radiograph and pulmo...

journal_title：Chest

authors： Reiss TF,Golden J

更新日期：1990-05-01 00:00:00

abstract：:To evaluate the morbidity associated with obstructve sleep apnea syndrome (OSAS), we undertook a seven-year follow-up study of 198 OSAS patients seen between 1972 and 1980. The patients had been submitted to tracheostomy (71 patients) or had received a weight-loss recommendation (127 patients). Despite a lower mean ap...

journal_title：Chest

authors： Partinen M,Guilleminault C

更新日期：1990-01-01 00:00:00

abstract：:To clarify how lung function at exercise is affected in sarcoidosis, and to analyze how exercise studies compare to testing measurements, 63 patients with pulmonary sarcoidosis were examined with lung mechanics and arterial blood gases during exercise. These findings were compared with simultaneously obtained, but pre...

journal_title：Chest

authors： Brådvik I,Wollmer P,Blom-Bülow B,Albrechtsson U,Jonson B

更新日期：1991-03-01 00:00:00

abstract：:False-negative supine M-mode echocardiograms occur in some patients with proved mitral valve prolapse. To investigate further, we performed M-mode echocardiography (MME) during standing and after the inhalation of amyl nitrite in 17 patients (group 1) selected for auscultatory evidence of mitral valve prolapse (MVP) b...

journal_title：Chest

authors： Noble LM,Dabestani A,Child JS,Krivokapich J

更新日期：1982-08-01 00:00:00

abstract：:A retrospective study of 34 patients (33 male and one female) was conducted to evaluate a potential correlation between patient survival, propensity to metastasize and specific subtypes of pulmonary adenocarcinomas as determined by ultrastructural examination. Previous electron microscopic studies of pulmonary adenoca...

journal_title：Chest

authors： Herrera GA,Alexander CB,DeMoraes HP

更新日期：1983-11-01 00:00:00

abstract：:This study demonstrates that when the heart is markedly displaced posteriorly to the left, or perhaps to the right, the posterior approach may make echocardiographic evaluation possible. Thus, in a patient with congenital unilateral absence of the left pulmonary artery, with marked displacement of the heart posteriorl...

journal_title：Chest

authors： Borgeson E,Vogel JH

更新日期：1980-01-01 00:00:00

abstract：BACKGROUND:Excessive daytime sleepiness (EDS) in individuals with OSA syndrome persisting despite good adherence to CPAP is a disabling condition. Pitolisant is a selective histamine H3-receptor antagonist with wake-promoting effects. RESEARCH QUESTION:Is pitolisant effective and safe for reducing daytime sleepiness i...

journal_title：Chest

authors： Pépin JL,Georgiev O,Tiholov R,Attali V,Verbraecken J,Buyse B,Partinen M,Fietze I,Belev G,Dokic D,Tamisier R,Lévy P,Lecomte I,Lecomte JM,Schwartz JC,Dauvilliers Y,HAROSA I Study Group.

更新日期：2020-10-26 00:00:00

abstract：:We analyzed seven patients with beta-thalassemia intermedia presenting with congestive heart failure secondary to pulmonary hypertension. This condition has been recognized only recently as part of the clinical spectrum of beta-thalassemia. Our group of patients included two men and five women with the clinical pictur...

journal_title：Chest

authors： Aessopos A,Stamatelos G,Skoumas V,Vassilopoulos G,Mantzourani M,Loukopoulos D

更新日期：1995-01-01 00:00:00

abstract：STUDY OBJECTIVES:To determine the sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) of the dipyridamole stress test (DSST) in predicting > or = 50% obstruction of an internal mammary artery or new native coronary artery disease (CAD) compared with saphenous vein graft obstru...

journal_title：Chest

authors： Deluca AJ,Cusack E,Aronow WS,Monsen CE

更新日期：2004-10-01 00:00:00

abstract：:COPD is a highly prevalent disorder that results from the interplay of genetic susceptibility and environmental exposures. Over the past 2 decades, significant technological advances have been made in genetic investigations of complex diseases, yet limited progress has been made in the identification of additional COP...

journal_title：Chest

authors： Wan ES,Silverman EK

更新日期：2009-09-01 00:00:00

abstract：STUDY OBJECTIVE:To assess the efficacy of the chest radiograph in identifying patients with miliary tuberculosis. DESIGN:Retrospective case-controlled review by three independent blinded chest radiologists. SETTING:Provincial tuberculosis control center. PATIENTS:Population-based sample, including all proved cases o...

journal_title：Chest

authors： Kwong JS,Carignan S,Kang EY,Müller NL,FitzGerald JM

更新日期：1996-08-01 00:00:00

abstract：:In most studies, many statistical tests are performed. They can be run to compare the groups at baseline, look at relationships among the various measures, and, for intervention trials, examine more than one end point. As the number of tests increases, so does the probability of finding at least one of them to be stat...

journal_title：Chest

authors： Streiner DL,Norman GR

更新日期：2011-07-01 00:00:00

abstract：:The efficacy of a new tissue-culture technique for the diagnosis of malignant pleural effusions was contrasted with conventional cytologic methods. The new technique is based on the ability of the tissue-culture medium to transform mesothelial cells into fibroblasts while not sustaining lymphoreticular cells. Against ...

journal_title：Chest

authors： Monif GR,Stewart BN,Block AJ

更新日期：1976-05-01 00:00:00

abstract：:We describe an unusual case of orthodeoxia platypnea syndrome exacerbated by right ventricular inflow obstruction due to iatrogenic steroid-induced adipose deposition in cardiac tissues. A 68-year-old man on long-term prednisone therapy for eosinophilic pneumonia presented with progressive dyspnea worsened by bending ...

journal_title：Chest

authors： Bokhari SSI,Willens HJ,Lowery MH,Wanner A,deMarchena E

更新日期：2011-02-01 00:00:00

abstract：BACKGROUND:Disease-specific patient-reported outcome (PRO) instruments are important in assessing the impact of disease and treatment. The Pulmonary Arterial Hypertension-Symptoms and Impact Questionnaire is the first instrument for quantifying pulmonary arterial hypertension (PAH) symptoms and impacts developed accord...

journal_title：Chest

authors： Chin KM,Gomberg-Maitland M,Channick RN,Cuttica MJ,Fischer A,Frantz RP,Hunsche E,Kleinman L,McConnell JW,McLaughlin VV,Miller CE,Zamanian RT,Zastrow MS,Badesch DB

更新日期：2018-10-01 00:00:00

abstract：:In this prospective study of 70 patients with pleural effusion, the underlying disease could be identified in 62 cases. By predefined criteria, 31 of these effusions were classified as transudates and 31 as exudates. Pleural fluid protein content, LDH activity and cholesterol level were measured to investigate their u...

journal_title：Chest

authors： Hamm H,Brohan U,Bohmer R,Missmahl HP

更新日期：1987-08-01 00:00:00

abstract：:Endothelial metabolism of L-arginine to L-citrulline and the potent vasodilator, nitric oxide (NO), is important in the regulation of vascular tone and resting BP. L-arginine improves abnormal endothelium-dependent vasodilation in the setting of hypercholesterolemia and has a vasodilatory effect in normal vessels, eff...

journal_title：Chest

authors： Mehta S,Stewart DJ,Levy RD

更新日期：1996-06-01 00:00:00

abstract：STUDY OBJECTIVES:To determine whether an association exists between aortic calcification viewed on plain chest radiography and coronary artery disease. METHODS:Retrospective review of all chest radiographs obtained from consecutive patients undergoing coronary angiography at a primary cardiac center during 1999. Plain...

journal_title：Chest

authors： Li J,Galvin HK,Johnson SC,Langston CS,Sclamberg J,Preston CA

更新日期：2002-05-01 00:00:00

abstract：:Twenty-two consecutive patients underwent esophageal stimulation and recording for the diagnosis and management of supraventricular tachycardia. In 13 of these patients, the resting electrocardiogram was normal and in nine it showed pre-excitation. Of the 13 patients with a normal resting electrocardiogram, supraventr...

journal_title：Chest

authors： Harte MT,Teo KK,Horgan JH

更新日期：1988-02-01 00:00:00

abstract：:A 55-year-old woman had bilateral hilar lymphadenopathy and retinouveitis. Microscopic examination of a biopsy specimen from a mediastinal lymph node revealed noncaseating epithelioid cell granulomas. Since granulomatous diseases of infectious origin and sarcoid reaction were reasonably excluded, she was diagnosed as ...

journal_title：Chest

authors： Yamaguchi E,Haneda H,Okazaki N,Abe S,Kawakami Y,Nojima T

更新日期：1989-01-01 00:00:00