Is an abbreviated bronchial challenge with histamine valid?

abstract：:This study addresses the hypothesis that patients with obstructive sleep apnea, who exhibit recurrent episodes of oxygen desaturation at night, have higher hematocrit levels than nonapneic control subjects. We prospectively studied 624 patients referred to the sleep disorders center at St. Michael's Hospital because o...

journal_title：Chest

authors： Hoffstein V,Herridge M,Mateika S,Redline S,Strohl KP

更新日期：1994-09-01 00:00:00

abstract：BACKGROUND:FEV1 may remain stable while high-resolution CT (HRCT) appearances deteriorate in children with cystic fibrosis (CF). However, spirometry results commonly decline in older age groups. OBJECTIVES:To compare the rate of decline in HRCT abnormalities and spirometry results over time in an adult cohort with CF....

journal_title：Chest

authors： Judge EP,Dodd JD,Masterson JB,Gallagher CG

更新日期：2006-11-01 00:00:00

abstract：:We compared, in a controlled clinical trial, the effect of specific inspiratory muscle training combined with general exercise reconditioning, for six months, with that of general exercise reconditioning alone on inspiratory muscle strength, endurance, and exercise performance in patients with COPD. Thirty-six patient...

journal_title：Chest

authors： Weiner P,Azgad Y,Ganam R

更新日期：1992-11-01 00:00:00

abstract：:Persisting symptoms, consisting of palpitations, dizziness, or syncope, were found in 49 of 570 consecutively followed patients (8.6 percent) with permanent pacemakers (PM). Among 540 patients with ventricular PM, 19 had syncope and 24 dizziness; among 30 patients with dual-chamber PM, five had palpitations and one di...

journal_title：Chest

authors： Hoffman A,Jost M,Pfisterer M,Burkart F,Burckhardt D

更新日期：1984-02-01 00:00:00

abstract：BACKGROUND:The implementation of workplace smoking bans has contributed to a significant reduction in the incidence of acute coronary syndrome admissions, but their influence on adult acute pulmonary disease admissions is unclear. We sought to assess the impact of a national smoking ban on nationwide admissions of indi...

journal_title：Chest

authors： Kent BD,Sulaiman I,Nicholson TT,Lane SJ,Moloney ED

更新日期：2012-09-01 00:00:00

abstract：:A 72-year-old physician with myeloid metaplasia developed marked thrombocytosis, pulmonary hypertension, and right heart failure following splenectomy. No cause for the pulmonary hypertension could be found. The pulmonary hypertension and right heart failure returned to normal when hydroxyurea therapy corrected the th...

journal_title：Chest

authors： Marvin KS,Spellberg RD

更新日期：1993-02-01 00:00:00

abstract：:In 283 patients referred for testing in an outpatient pulmonary function laboratory, we studied the single-breath diffusing capacity of the lungs for carbon monoxide (Dco) using the Ogilvie (Og), Jones-Meade (JM), Epidemiological Standardization Project (ESP), and three-phase iterative methods (3PIT, similar to the th...

journal_title：Chest

authors： Beck KC,Offord KP,Scanlon PD

更新日期：1994-02-01 00:00:00

abstract：BACKGROUND:Little information exists about the expected time to death after terminal withdrawal of mechanical ventilation. We sought to determine the independent predictors of time to death after withdrawal of mechanical ventilation. METHODS:We conducted a secondary analysis from a cluster randomized trial of an end-o...

journal_title：Chest

authors： Cooke CR,Hotchkin DL,Engelberg RA,Rubinson L,Curtis JR

更新日期：2010-08-01 00:00:00

abstract：STUDY OBJECTIVES:To determine the usefulness of radioaerosol ventilation scans for the detection and localization of air leaks from the lungs or bronchial tree. DESIGN:Selected patients with suspected air leaks underwent ventilation scans. Retrospective analysis of data was carried out. SETTING AND PATIENTS:Twenty-ei...

journal_title：Chest

authors： Mark JB,McDougall IR

更新日期：1997-02-01 00:00:00

abstract：:Four cases of giant cell arteritis causing severe aortic regurgitation secondary to an aneurysm of the ascending aorta are described. In two cases, the nature of the aortic pathology could be suspected considering the past clinical evidence of temporal arteritis and/or polymyalgia rheumatica. In the two other cases, t...

journal_title：Chest

authors： Nesi G,Anichini C,Pedemonte E,Tozzini S,Calamai G,Montesi GF,Gori F

更新日期：2002-04-01 00:00:00

abstract：:A patient is reported who had Histoplasma capsulatum endocarditis, a rare form of disseminated histoplasmosis. He also had disseminated intravascular coagulopathy and defects in cell-mediated immune responses to Histoplasma antigens. Prompt etiologic diagnosis was made by stain of tissue from a mouth ulcer and confirm...

journal_title：Chest

authors： Bradsher RW,Wickre CG,Savage AM,Harston WE,Alford RH

更新日期：1980-11-01 00:00:00

abstract：:To assess the diagnostic value of telescoping plugged catheters (TPC) in human immunodeficiency virus (HIV)-infected patients with pulmonary infiltrates (PI), we performed a prospective clinical study in 71 episodes of fever and PI in 66 HIV-infected patients (five patients had two different episodes of fever and PI)....

journal_title：Chest

authors： Ferrer M,Torres A,Xaubet A,Puig de la Bellacasa J,Agustí C,Gonzalez J,de Celis R,Jiménez de Anta MT

更新日期：1992-07-01 00:00:00

abstract：:The preponderance of evidence indicates that high airway pressure is not by itself injurious to the lung. Rather, overdistention of the lung appears to be the fundamental mechanism underlying VALI. The physician must bear in mind the factors (ie, flow-resistive pressure losses, respiratory muscle activity, and abnorma...

journal_title：Chest

authors： Manning HL

更新日期：1994-01-01 00:00:00

abstract：:Bronchial epithelial damage and mucus hypersecretion are characteristic features of chronic airway inflammation that can impair mucociliary clearance and can cause recurrent or persistent respiratory infection. In response to chemoattractants produced by damaged or inflamed tissue, neutrophils move through sequential ...

journal_title：Chest

authors： Tamaoki J

更新日期：2004-02-01 00:00:00

abstract：:Simultaneous hemodynamic and blood gas measurements were performed in 26 hypertensive adults, who were cigarette smokers, before and after a 30-minute infusion of saralasin (5 microgram/kg/min) which is a highly specific competitive antagonist of angiotensin II (AII). The arterial pressure fell in nine, rose in seven ...

journal_title：Chest

authors： Mookherjee S,Obeid AI,Ashutosh K,Warner RA,Smulyan H

更新日期：1979-04-01 00:00:00

abstract：BACKGROUND:The coronavirus disease 2019 (COVID-19) pandemic has severely affected ICUs and critical care health-care providers (HCPs) worldwide. RESEARCH QUESTION:How do regional differences and perceived lack of ICU resources affect critical care resource use and the well-being of HCPs? STUDY DESIGN AND METHODS:Betw...

journal_title：Chest

authors： Wahlster S,Sharma M,Lewis AK,Patel PV,Hartog CS,Jannotta G,Blissitt P,Kross EK,Kassebaum NJ,Greer DM,Curtis JR,Creutzfeldt CJ

更新日期：2020-09-11 00:00:00

abstract：:A series of 15 patients with life threatening, massive hemoptysis is reported. Thirteen of these patients underwent immediate operative treatment with only three deaths. One died after bronchoscopic identification of the bleeding site while awaiting elective thoracotomy. The other patient left the hospital against med...

journal_title：Chest

authors： McCollun WB,Mattox KL,Guinn GA,Beall AC Jr

更新日期：1975-02-01 00:00:00

abstract：BACKGROUND:It is unknown if the radiographic fibrosis score predicts mortality in persistent hypersensitivity pneumonitis (HP) and if survival is similar to that observed in idiopathic pulmonary fibrosis (IPF) when adjusting for the extent of radiographic fibrosis. METHODS:We reviewed records from 177 patients with HP...

journal_title：Chest

authors： Mooney JJ,Elicker BM,Urbania TH,Agarwal MR,Ryerson CJ,Nguyen MLT,Woodruff PG,Jones KD,Collard HR,King TE Jr,Koth LL

更新日期：2013-08-01 00:00:00

abstract：:Natural killer-cell activity of fresh interstitial pulmonary cell populations from patients with squamous cell and adenocarcinoma of the lung and carcinoma metastatic to the lung was assessed and compared to that of apparently normal lung. No increase in the percentage of lymphoid cell populations was noted in the int...

journal_title：Chest

authors： deShazo RD,Moulder PV,Bozelka B,Chapman Y

更新日期：1987-01-01 00:00:00

abstract：STUDY OBJECTIVE:To examine the hemodynamic and metabolic short-term effects of hypophosphatemia correction in patients with septic shock receiving catecholamine therapy. DESIGN:Prospective, single cohort study. SETTING:ICU, university hospital. PATIENTS:Ten patients with septic shock and hypophosphatemia below 2 mg/...

journal_title：Chest

authors： Bollaert PE,Levy B,Nace L,Laterre PF,Larcan A

更新日期：1995-06-01 00:00:00

abstract：:Since publication of the seventh American College of Chest Physicians (ACCP) supplement on antithrombotic and thrombolytic therapy, the results of clinical trials have provided important new information on the management of thromboembolic disorders, and the science of developing recommendations has advanced. In the ac...

journal_title：Chest

authors： Hirsh J,Guyatt G,Albers GW,Harrington R,Schünemann HJ

更新日期：2008-06-01 00:00:00

abstract：:The effects of six weeks of threshold pressure inspiratory muscle training (IMT) on inspiratory muscle performance, breathing pattern and exercise performance were studied in eight patients with severe airflow obstruction. The results indicated that IMT improved inspiratory muscle performance but did not affect exerci...

journal_title：Chest

authors： Flynn MG,Barter CE,Nosworthy JC,Pretto JJ,Rochford PD,Pierce RJ

更新日期：1989-03-01 00:00:00

abstract：:Tracheobronchial injury is a rare but a potentially high-impact event with significant morbidity and mortality. Common etiologies include blunt or penetrating trauma and iatrogenic injury that might occur during surgery, endotracheal intubation, or bronchoscopy. Early recognition of clinical signs and symptoms can hel...

journal_title：Chest

authors： Grewal HS,Dangayach NS,Ahmad U,Ghosh S,Gildea T,Mehta AC

更新日期：2019-03-01 00:00:00

abstract：:The previously unreported association of chronic persistent cough due to a duplication esophageal cyst is presented. The presence of a long history of atopy, bronchitis, and asthma resulted in a delay in diagnosis. When vigorous bronchodilator therapy was unsuccessful, close observation of the patient and review of he...

journal_title：Chest

authors： Bowton DL,Katz PO

更新日期：1984-07-01 00:00:00

abstract：STUDY OBJECTIVE:To assess whether myocardial contrast echocardiography (MCE) using harmonic power Doppler (HPD) in conjunction with the transvenous contrast agent SHU 563A would be useful in detecting stunned but viable myocardium. DESIGN:Acute coronary occlusion (2 to 3 h) followed by 1 h of reperfusion was created i...

journal_title：Chest

authors： Teupe C,Takeuchi M,Yao J,Avelar E,Pandian N

更新日期：2001-08-01 00:00:00

abstract：:We describe the case of a lung transplant patient with primary graft failure and an emphysematous native lung, who displayed different respiratory rates between the transplanted lung and the native lung. Inflation of the native lung delayed the next inspiratory effort relative to inflation of the denervated transplant...

journal_title：Chest

authors： Officer TM,Wheeler DR,Frost AE,Rodarte JR

更新日期：2001-08-01 00:00:00

abstract：:A case of subaortic stenosis caused by two discrete membranes is presented. Following demonstration of the two distinct sites of obstruction by intraventricular pressure gradients and angiocardiogram, the two membranes were excised through a transaortic approach. The importance of being aware of the occurrence of this...

journal_title：Chest

authors： Lemole GM,Tesler UF,Colombi M,Eldredge WJ

更新日期：1976-01-01 00:00:00

abstract：:The utility of the apnea index (number of apneic events per hour of sleep) in diagnosing sleep apnea syndrome is reviewed. Data from currently extant reports indicate that many otherwise normal, aging subjects may be classified as having sleep apnea syndrome based on the current diagnostic threshold of five apneic epi...

journal_title：Chest

authors： Berry DT,Webb WB,Block AJ

更新日期：1984-10-01 00:00:00

abstract：OBJECTIVE:To evaluate changes in cerebral tissue oxygenation and blood volume during obstructive sleep apnea (OSA). METHODS:We studied eight men with moderate to severe OSA by near-infrared spectroscopy (NIRS) simultaneously with polysomnography during nocturnal sleep (five patients) and daytime naps (three). RESULTS...

journal_title：Chest

authors： Hayakawa T,Terashima M,Kayukawa Y,Ohta T,Okada T

更新日期：1996-04-01 00:00:00

abstract：BACKGROUND:The use of both heroin and cocaine has been associated with asthma exacerbations. However, the magnitude of this effect has not been adequately described. The purpose of this study was to examine the association between cocaine or heroin use and asthma severity. METHODS:We conducted a retrospective chart re...

journal_title：Chest

authors： Levine M,Iliescu ME,Margellos-Anast H,Estarziau M,Ansell DA

更新日期：2005-10-01 00:00:00