Electrocardiographic manifestations and clinical significance of atrioventricular nodal alternating Wenckbach periods.

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：BACKGROUND:Despite the increasing aging population and the high prevalence of OSA in elderly adults, little is known about cognitive effects of OSA and the effectiveness of CPAP treatment. Therefore, this study investigated whether elderly patients with OSA present cognitive deficits and functional and structural alter...

journal_title：Chest

authors： Dalmases M,Solé-Padullés C,Torres M,Embid C,Nuñez MD,Martínez-Garcia MÁ,Farré R,Bargalló N,Bartrés-Faz D,Montserrat JM

更新日期：2015-11-01 00:00:00

abstract：STUDY OBJECTIVE:To define the causes and clinical features of hemoptysis in HIV-infected patients. DESIGN:Retrospective analysis of inpatient medical records for patients with HIV infection and hemoptysis. SETTING:A large New York City teaching hospital and tertiary referral center. PATIENTS:Fifty HIV-infected adult...

journal_title：Chest

authors： Nelson JE,Forman M

更新日期：1996-09-01 00:00:00

abstract：BACKGROUND:Lung cancer is the most common cause of cancer death in the United States. Cigarette smoking is the main risk factor. Former smokers are at a substantially increased risk for lung cancer compared with lifetime never-smokers. Chemoprevention is the use of specific agents to reverse, suppress, or prevent the p...

journal_title：Chest

authors： Gray J,Mao JT,Szabo E,Kelley M,Kurie J,Bepler G,American College of Chest Physicians.

更新日期：2007-09-01 00:00:00

abstract：:Data from various different types of cross-sectional studies are reviewed in order to examine hypotheses about the etiology of asthma and to more precisely define its relationship with nonspecific bronchial hyperreactivity (NSBH). Although cross-sectional studies have not clarified the precise etiologic links, they ha...

journal_title：Chest

authors： Tager IB,Weiss ST,Speizer FE

更新日期：1987-06-01 00:00:00

abstract：BACKGROUND:Angiogenesis is a prerequisite for airway remodeling in bronchial asthma. Several factors may play important roles in inflammation and angiogenesis through effects on inflammatory cell infiltration or neovascularization. OBJECTIVES:(1) To determine the levels of vascular endothelial growth factor (VEGF) and...

journal_title：Chest

authors： Abdel-Rahman AM,el-Sahrigy SA,Bakr SI

更新日期：2006-02-01 00:00:00

abstract：BACKGROUND:COPD has been described as a risk factor for excessive expiratory tracheal collapse, but its prevalence and clinical correlates have not been fully determined. The purpose of this study is to prospectively determine the prevalence of excessive expiratory tracheal collapse among patients with COPD and to test...

journal_title：Chest

authors： Boiselle PM,Michaud G,Roberts DH,Loring SH,Womble HM,Millett ME,O'Donnell CR

更新日期：2012-12-01 00:00:00

abstract：BACKGROUND:Sleep-disordered breathing (SDB) may promote an increase in cardiac workload early after acute myocardial infarction (AMI). We tested the hypothesis that in the early phase after AMI, SDB is associated with increased 24-h arterial BP, heart rate (HR), and, thus, cardiac workload. METHODS:In this prospective...

journal_title：Chest

authors： Hetzenecker A,Buchner S,Greimel T,Satzl A,Luchner A,Debl K,Husser O,Hamer OW,Fellner C,Riegger GAJ,Pfeifer M,Arzt M

更新日期：2013-05-01 00:00:00

abstract：BACKGROUND:Cystic fibrosis (CF) airway secretions are abnormal, contributing to decreased clearance and a cycle of infection and inflammation. CF sputum properties may predict disease progression. We hypothesized that sputum viscoelasticity and clearance abnormalities would inversely correlate with pulmonary function d...

journal_title：Chest

authors： Ma JT,Tang C,Kang L,Voynow JA,Rubin BK

更新日期：2018-08-01 00:00:00

abstract：BACKGROUND:Traditional diagnostic tests for pericardial tuberculosis (TB) are insensitive and often require long culture periods, and this has led to more emphasis being placed on biochemical tests such as the pericardial adenosine deaminase (ADA) test. However, controversy exists as to its diagnostic utility. In addit...

journal_title：Chest

authors： Burgess LJ,Reuter H,Carstens ME,Taljaard JJ,Doubell AF

更新日期：2002-09-01 00:00:00

abstract：BACKGROUND:Mepolizumab was the first licensed anti-IL5 monoclonal antibody for severe eosinophilic asthma (SEA). To date there are few data to confirm its efficacy in the real-world setting or assessment of baseline characteristics associated with response. RESEARCH QUESTION:How do patients with severe eosinophilic as...

journal_title：Chest

authors： Kavanagh JE,d'Ancona G,Elstad M,Green L,Fernandes M,Thomson L,Roxas C,Dhariwal J,Nanzer AM,Kent BD,Jackson DJ

更新日期：2020-08-01 00:00:00

abstract：BACKGROUND:COPD is associated with significant morbidity primarily driven by acute exacerbations. Relative pulmonary artery (PA) enlargement, defined as a PA to ascending aorta (A) diameter ratio greater than one (PA:A>1) identifies patients at increased risk for exacerbations. However, little is known about the correl...

journal_title：Chest

authors： Iyer AS,Wells JM,Vishin S,Bhatt SP,Wille KM,Dransfield MT

更新日期：2014-04-01 00:00:00

abstract：:The diaphragm is the primary muscle of inspiration. Its capacity to respond to the load imposed by pulmonary disease is a major determining factor both in the onset of ventilatory failure and in the ability to successfully separate patients from ventilator support. It has recently been established that a very large pr...

journal_title：Chest

authors： Petrof BJ

更新日期：2018-12-01 00:00:00

abstract：:Histopathologic and morphometric studies of small pulmonary arteries were performed in 16 cases of secundum atrial septal defect (ASD) and severe pulmonary hypertension. Besides typical plexogenic arteriopathies found in six cases, organized microthrombi and what we call "musculoelastosis," that is, proliferation of l...

journal_title：Chest

authors： Yamaki S,Horiuchi T,Miura M,Suzuki Y,Ishizawa E,Takahashi T

更新日期：1986-05-01 00:00:00

abstract：OBJECTIVE:To compare the utilization and outcomes of critical care services in a cohort of hospitals in the United States and Japan. DESIGN:Prospective data collection on 5,107 patients and detailed organizational characteristics from each of the participating Japanese study hospitals between 1993 and 1995, with compa...

journal_title：Chest

authors： Sirio CA,Tajimi K,Taenaka N,Ujike Y,Okamoto K,Katsuya H

更新日期：2002-02-01 00:00:00

abstract：:Pulmonary Langerhans cell histiocytosis, also known as eosinophilic granuloma, is an uncommon interstitial lung disease. A solitary nodule, usually parenchymal, may rarely be the only manifestation of the disease. We describe a case of Langerhans cell histiocytosis presenting as an obstructing tracheal lesion in a 55-...

journal_title：Chest

authors： Fridlender ZG,Glazer M,Amir G,Berkman N

更新日期：2005-08-01 00:00:00

abstract：:A 79-year-old woman in the course of a syncope evaluation is shown to have a trazodone-related cardiac arrhythmia confirmed by drug rechallenge. This nontricyclic antidepressant should be considered as potentially arrhythmogenic despite its generally favorable cardiovascular profile. ...

journal_title：Chest

authors： Vitullo RN,Wharton JM,Allen NB,Pritchett EL

更新日期：1990-07-01 00:00:00

abstract：:Burnout syndrome is an increasingly common phenomenon that threatens our critical care workforce and the well-being of its members. Burnout syndrome can be conceived of as a workforce manifestation of chronic workload and workforce capacity imbalance. This study explores the role of workload management tools that can ...

journal_title：Chest

authors： Lilly CM,Cucchi E,Marshall N,Katz A

更新日期：2019-11-01 00:00:00

abstract：:We report the findings in a patient known to have olivopontocerebellar atrophy who developed respiratory distress, inspiratory stridor, and maximum inspiratory and expiratory flow volume loops. Treatment with carbidopa-levodopa gave symptomatic relief. ...

journal_title：Chest

authors： Schiffman PL,Golbe LI

更新日期：1992-10-01 00:00:00

abstract：:Of 354 thoracotomies, 114 cases involved intraoperative cytopathologic evaluation. The study included 86 men and 28 women, and 184 specimens were examined. Smears were taken from the lung lesion or lymph node and the chest wall or bronchial stump by imprint or needle aspiration. Intraoperative evaluations were compare...

journal_title：Chest

authors： Terada Y,Matsunobe S,Nemoto T,Tsuda T,Shimizu Y

更新日期：1990-11-01 00:00:00

abstract：STUDY OBJECTIVE:To use an existing database from a large cohort study with follow-up as long as 5.5 years to assess the extended prognosis of patients who survived their hospitalizations for severe acute respiratory failure (ARF). DESIGN, SETTING, AND PATIENTS:Secondary analysis of an inception cohort of 1,722 patient...

journal_title：Chest

authors： Garland A,Dawson NV,Altmann I,Thomas CL,Phillips RS,Tsevat J,Desbiens NA,Bellamy PE,Knaus WA,Connors AF Jr,SUPPORT Investigators.

更新日期：2004-12-01 00:00:00

abstract：:Dobutamine stress echocardiography detects myocardial ischemia by inducing regional left ventricular systolic dysfunction. Augmentation of wall motion in hypokinetic segments has also been noted with low-dose dobutamine, suggesting myocardial viability. We report a case of regional ventricular improvement during high-...

journal_title：Chest

authors： Krauss D,Feldman T,Marcus RH,Resnekov L,Lang RM

更新日期：1994-07-01 00:00:00

abstract：:99mTechnetium macroaggregated albumin has successfully been used to define severe postoperative pulmonary vasoconstriction in a four-month-old boy with D-transposition of the great vessels who had undergone a Blalock-Hanlon surgical atrial septectomy. Radionuclide imaging documented clinically suspected pulmonary vaso...

journal_title：Chest

authors： Moodie DS,Levy JM,Kahn DR,Lieberman LM,Pastakia B

更新日期：1979-09-01 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：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：STUDY OBJECTIVES:To investigate the roles of human alpha-defensin (HAD), human beta-defensin (HBD)-1, and HBD-2, novel antimicrobial peptides, in patients with Mycobacterium avium-intracellulare infection (MAI). PATIENTS:The study included 25 patients (10 men) with MAI who visited our hospital between June 1998 and Au...

journal_title：Chest

authors： Ashitani J,Mukae H,Hiratsuka T,Nakazato M,Kumamoto K,Matsukura S

更新日期：2001-04-01 00:00:00

abstract：BACKGROUND:The institution of inhaled corticosteroids is generally advocated for effective treatment of patients with asthma. It is yet unknown what is the best time to start inhaled corticosteroid therapy and especially whether delayed introduction is harmful. PHASE 1: In a previous study in patients with asthma and C...

journal_title：Chest

authors： Overbeek SE,Kerstjens HA,Bogaard JM,Mulder PG,Postma DS

更新日期：1996-07-01 00:00:00

abstract：:Tests of overall lung function often reveal abnormalities in elderly smokers, but lung function is less consistently deranged in young smokers. Since airway closure at higher than normal lung volumes is thought to be an early indicator of lung dysfunction in asymptomatic smokers, we used 133xenon to measure regional r...

journal_title：Chest

authors： York EL,Jones RL

更新日期：1981-01-01 00:00:00

abstract：:A 53-year-old woman without any risk factors for coronary artery disease was found to have a congenital intrathoracic left ventricular diverticulum with a narrow long connection to the left ventricular cavity. Coronary angiography revealed normal coronary arteries. The diverticulum was resected and showed three normal...

journal_title：Chest

authors： Suilen C,Friedli B,Rutishauser W

更新日期：1990-09-01 00:00:00

abstract：STUDY OBJECTIVE:Cardiopulmonary bypass (CPB) induces a generalized inflammatory response, including activation of leukocytes, contributing to postoperative morbidity. The inflammatory pathways leading to this systemic inflammatory response syndrome are considered identical to those involved in septic shock. Therefore, ...

journal_title：Chest

authors： Bouma M,Maessen J,Weerwind P,Dentener M,Fransen E,de Jong D,Buurman W

更新日期：1997-03-01 00:00:00