Detection of right-to-left shunt with radionuclide angiocardiography in refractory hypoxemia.

abstract：:Macrophages are the most abundant immune cell population in normal lung tissue and serve critical roles in innate and adaptive immune responses as well as the development of inflammatory airway disease. Studies in a mouse model of chronic obstructive lung disease and translational studies of humans with asthma and COP...

journal_title：Chest

authors： Byers DE,Holtzman MJ

更新日期：2011-09-01 00:00:00

abstract：:A patient underwent exercise testing during evaluation for unexplained dyspnea. Evidence of ventilation-perfusion mismatch was noted and subsequent testing revealed multiple pulmonary emboli. Ventilation perfusion parameters by serial exercise testing progressively improved during the course of the patient's illness b...

journal_title：Chest

authors： Helmers RA,Zavala DC

更新日期：1988-09-01 00:00:00

abstract：:Pulmonary specimens obtained from ten normal subjects and 53 patients with various pulmonary diseases were studied with energy-dispersive x-ray analysis. The amount of silicon in the pulmonary tissue was determined and expressed as a silicon/sulfur (Si/S) ratio. This Si/S ratio was below 0.2 in the ten normal subjects...

journal_title：Chest

authors： Funahashi A,Schlueter DP,Pintar K,Siegesmund KA

更新日期：1984-04-01 00:00:00

abstract：STUDY OBJECTIVE:To examine the relation of smoking habits and development of asthma in a large cohort of US women. DESIGN:Prospective cohort study. PARTICIPANTS:Among 74,072 women, 34 to 68 years of age, who were free of major diseases, we documented 671 incident asthma cases and 798 incident cases of chronic bronchi...

journal_title：Chest

authors： Troisi RJ,Speizer FE,Rosner B,Trichopoulos D,Willett WC

更新日期：1995-12-01 00:00:00

abstract：:The dynamics of cerebral blood flow velocity (CBFV) during sleep were investigated in the right middle cerebral artery of 10 patients with sleep apnea syndrome (SAS) (mean age, 37 years) and 10 healthy control subjects (mean age, 32 years) throughout the entire sleep period. A computer-assisted pulsed (2 MHz) transcra...

journal_title：Chest

authors： Hajak G,Klingelhöfer J,Schulz-Varszegi M,Sander D,Rüther E

更新日期：1996-09-01 00:00:00

abstract：:Although amebiasis is prevalent in tropical and subtropical areas, it occurs sporadically in the United States. Pleuropulmonary involvement is seen in about 20 percent of the patients with amebic liver abscesses. We describe a patient with pleuropulmonary amebiasis who complained of hemoptysis but had no gastrointesti...

journal_title：Chest

authors： Kennedy D,Sharma OP

更新日期：1990-11-01 00:00:00

abstract：CASE PRESENTATION:A man in his 20s presented to the ED after several months of progressive dyspnea, dry cough, and night sweats. He had no chest pain, fevers, weight loss, or sick contacts. He was previously healthy and took no medications. Social history was notable for 5 pack-years of tobacco use. The patient was sex...

journal_title：Chest

authors： Sonnick MA,Weisman S,Borczuk AC,Turetz ML

更新日期：2019-12-01 00:00:00

abstract：BACKGROUND:Among patients hospitalized for community-acquired pneumonia (CAP), the risk factors for short-term hospital readmission after discharge are unknown. METHODS:We conducted a prospective observational study of 1,117 patients who had been discharged alive after hospitalization for CAP. We collected variables a...

journal_title：Chest

authors： Capelastegui A,España Yandiola PP,Quintana JM,Bilbao A,Diez R,Pascual S,Pulido E,Egurrola M

更新日期：2009-10-01 00:00:00

abstract：:A 60-pack-year smoker presented with cough, dyspnea and orthopnea of three months' duration. Spirometry revealed severe reduction in maximal expiratory flow; CT of the chest and bronchoscopy demonstrated expiratory collapse of a mid-tracheal segment, and a presumptive diagnosis of tracheomalacia was made. A right late...

journal_title：Chest

authors： Dunn WF,Hubmayr RD,Pairolero PC,Sheedy PF,Edell ES,Nelson SB

更新日期：1990-04-01 00:00:00

abstract：BACKGROUND:Pulmonary impairment subsequent to a cure of pulmonary tuberculosis has been described only in selected populations. METHODS:We compared pulmonary function in a case-control study of 107 prospectively identified patients with pulmonary tuberculosis who had completed at least 20 weeks of therapy and 210 pati...

journal_title：Chest

authors： Pasipanodya JG,Miller TL,Vecino M,Munguia G,Garmon R,Bae S,Drewyer G,Weis SE

更新日期：2007-06-01 00:00:00

abstract：OBJECTIVE:We hypothesized that pentoxifylline, administered after phorbol myristate acetate (PMA), would diminish the severity of lung injury. SETTING:Animal research laboratory. DESIGN:Comparative study. SUBJECTS:Mongrel dogs (n = 33). INTERVENTIONS:Baseline measurements were obtained from the isolated blood-perfu...

journal_title：Chest

authors： Creamer KM,McCloud LL,Fisher LE,Ehrhart IC

更新日期：2001-06-01 00:00:00

abstract：:A patient with the sick sinus syndrome accompanying mirror-image dextrocardia which was associated with double superior venae cavae and an absent inferior vena cava is presented. A permanent transvenous demand pacemaker was inserted because of repeated episodes of dizziness and a documented 31/2-second period of asyst...

journal_title：Chest

authors： Goyal SL,Lichestein E,Gupta PK,Chadda KD,Lajam F

更新日期：1976-04-01 00:00:00

abstract：BACKGROUND:The objective of this study was to systematically review and quantitatively synthesize all randomized controlled trials (RCTs), comparing important outcomes in ventilated critically ill patients who received an early or late tracheotomy. METHODS:A systematic literature search of PubMed, Cumulative Index to ...

journal_title：Chest

authors： Wang F,Wu Y,Bo L,Lou J,Zhu J,Chen F,Li J,Deng X

更新日期：2011-12-01 00:00:00

abstract：BACKGROUND:Urine output (UO) is a vital sign for critically ill patients, but standards for monitoring and reporting vary widely between ICUs. Careful monitoring of UO could lead to earlier recognition of acute kidney injury (AKI) and better fluid management. We sought to determine if the intensity of UO monitoring is ...

journal_title：Chest

authors： Jin K,Murugan R,Sileanu FE,Foldes E,Priyanka P,Clermont G,Kellum JA

更新日期：2017-11-01 00:00:00

abstract：:Twenty-six adults (23 to 58 years) with mild to moderate asthma underwent a 10-week supervised rehabilitation program, with emphasis on physical training. In the first 2 weeks, they exercised daily in an indoor swimming pool (33 degrees C) and received education about asthma, medication, and principles of physical tra...

journal_title：Chest

authors： Emtner M,Herala M,Stålenheim G

更新日期：1996-02-01 00:00:00

abstract：STUDY OBJECTIVES:Human T-cell lymphotropic virus type 1 (HTLV-1)-associated bronchiolitis and diffuse panbronchiolitis might overlap. We examined whether these conditions can be differentiated by comparing their clinical features and the effect of long-term macrolide treatment. PATIENTS AND METHODS:Fifty-eight Japanes...

journal_title：Chest

authors： Kadota J,Mukae H,Fujii T,Seki M,Tomono K,Kohno S

更新日期：2004-04-01 00:00:00

abstract：STUDY OBJECTIVES:To evaluate the safety and efficacy of sitaxsentan, an endothelin-A receptor antagonist, in a 12-week, open-label trial of patients with pulmonary arterial hypertension (PAH). PATIENTS:Six children and 14 adults with New York Heart Association (NYHA) functional class II, III, or IV primary pulmonary h...

journal_title：Chest

authors： Barst RJ,Rich S,Widlitz A,Horn EM,McLaughlin V,McFarlin J

更新日期：2002-06-01 00:00:00

abstract：:Forty-three consecutive patients requiring endotracheal intubation in an emergency room were studied prospectively to define the complications associated with intubation and the survival of these patients, and to evaluate emergency room policies. The indications for intubation were acute respiratory failure (ARF) in 2...

journal_title：Chest

authors： Taryle DA,Chandler JE,Good JT Jr,Potts DE,Sahn SA

更新日期：1979-05-01 00:00:00

abstract：:The purpose of this study was to assess the impact of prior cardiac or pulmonary disease upon the utility of ventilation/perfusion (V/Q) scans in the diagnosis of acute pulmonary embolism (PE). Ventilation/perfusion scans were evaluated among 365 patients with no prior cardiac or pulmonary disease and compared to V/Q ...

journal_title：Chest

authors： Stein PD,Coleman RE,Gottschalk A,Saltzman HA,Terrin ML,Weg JG

更新日期：1991-09-01 00:00:00

abstract：BACKGROUND:Critically ill patients who develop ARDS have substantial associated morbidity and mortality. Circulating mitochondrial DNA (mtDNA) released during critical illness causes endothelial dysfunction and lung injury in experimental models. This study hypothesized that elevated plasma mtDNA is associated with ARD...

journal_title：Chest

authors： Faust HE,Reilly JP,Anderson BJ,Ittner CAG,Forker CM,Zhang P,Weaver BA,Holena DN,Lanken PN,Christie JD,Meyer NJ,Mangalmurti NS,Shashaty MGS

更新日期：2020-01-01 00:00:00

abstract：:The risk and benefits of three treatment strategies were examined in 64 consecutive patients with acute myocardial infarction and cardiogenic shock. Thirteen patients received thrombolytic therapy (group 1), 29 patients received intra-aortic balloon pump counterpulsation support (group 2), and 22 patients were treated...

journal_title：Chest

authors： Stomel RJ,Rasak M,Bates ER

更新日期：1994-04-01 00:00:00

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：:Congenital subclavian steal consists of atresia of the proximal end of the subclavian artery, while the blood supply to the distal portion of the subclavian artery originates from the circle of Willis. It should be suspected in complicated malformations of the heart associated with marked hypoplasia or interruption of...

journal_title：Chest

authors： Garcia O,Wilkins R,Cunha D,Jesse MJ

更新日期：1975-03-01 00:00:00

abstract：:The potential for significant interaction between PEEP and the peripheral microcirculations is not as well appreciated as are its central circulatory effects. Therefore, we studied the effects of PEEP, 15 mm Hg, on microvascular fluid flux in the hindlimb of ten mature sheep. Changes in prefemoral lymph flow (QL) and ...

journal_title：Chest

authors： Hersch M,Bersten A,Robertson S,Rutledge F,Sibbald WJ

更新日期：1989-11-01 00:00:00

abstract：BACKGROUND:COPD is associated with reduced physical capacity. However, it is unclear whether pulmonary emphysema, which can occur without COPD, is associated with reduced physical activity in daily life, particularly among people without COPD and never smokers. We hypothesized that greater percentage of emphysema-like ...

journal_title：Chest

authors： Lo Cascio CM,Quante M,Hoffman EA,Bertoni AG,Aaron CP,Schwartz JE,Avdalovic MV,Fan VS,Lovasi GS,Kawut SM,Austin JHM,Redline S,Barr RG

更新日期：2017-05-01 00:00:00

abstract：BACKGROUND:The Centers for Medicare and Medicaid Services stipulate shared decision-making (SDM) counseling as a prerequisite to lung cancer screening (LCS) reimbursement, despite well-known challenges implementing SDM in practice. RESEARCH QUESTION:How have health-care organizations implemented SDM for LCS? STUDY DE...

journal_title：Chest

authors： Alishahi Tabriz A,Neslund-Dudas C,Turner K,Rivera MP,Reuland DS,Elston Lafata J

更新日期：2021-01-01 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：:There is a general consensus that antimicrobial resistance in the hospital setting has emerged as an important variable influencing patient outcome and resource utilization. Hospitals worldwide are faced with increasingly rapid emergence and spread of antibiotic-resistant bacteria. Both antibiotic-resistant Gram-negat...

journal_title：Chest

authors： Kollef MH

更新日期：2003-05-01 00:00:00

abstract：BACKGROUND:In recent years, the population of patients with pulmonary arterial hypertension (PAH) has changed dramatically, including more advanced age at diagnosis. We hypothesized that older patients have a distinct clinical profile with different disease characteristics and response to intervention. METHODS:All pre...

journal_title：Chest

authors： Rose JA,Cleveland JM,Rao Y,Minai OA,Tonelli AR

更新日期：2016-05-01 00:00:00

abstract：BACKGROUND:The use of noninvasive ventilation (NIV) in acute exacerbation of COPD has increased over time. However, little is known about patient factors influencing its use in routine clinical practice. METHODS:This was a retrospective cohort study of 723,560 hospitalizations for exacerbation of COPD at 475 hospitals...

journal_title：Chest

authors： Stefan MS,Shieh MS,Pekow PS,Hill N,Rothberg MB,Lindenauer PK

更新日期：2015-04-01 00:00:00