Prolongation of ventricular depolarization. ECG manifestation of mexiletine toxicity.

abstract：:Brain natriuretic peptide (BNP), also called B-type natriuretic peptide, is a member of a family of structurally related hormones, the natriuretic peptides. Current data suggest that measurement of BNP plasma concentrations is a useful tool in the diagnosis of acute heart failure in patients presenting to an emergency...

journal_title：Chest

authors： de Denus S,Pharand C,Williamson DR

更新日期：2004-02-01 00:00:00

abstract：:Oxygen uptake (VO2) reflects the rate of aerobic regeneration of high-energy phosphate compounds (primarily adenosine triphosphate [ATP]). Since lactate increase is thought to result from an inadequate rate of aerobic ATP regeneration, it might be expected that lactate increase would be associated with a delayed attai...

journal_title：Chest

authors： Zhang YY,Wasserman K,Sietsema KE,Ben-Dov I,Barstow TJ,Mizumoto G,Sullivan CS

更新日期：1993-03-01 00:00:00

abstract：STUDY OBJECTIVES:We investigated the role of two leukotriene B4 (LTB4) receptors, BLT1 and peroxisome proliferator-activated receptor (PPAR)-alpha, in conferring the susceptibility to develop COPD in smokers. Proinflammatory LTB4 activities are mediated by BLT1, while the inactivation of LTB4 is promoted by PPARalpha. ...

journal_title：Chest

authors： Marian E,Baraldo S,Visentin A,Papi A,Saetta M,Fabbri LM,Maestrelli P

更新日期：2006-06-01 00:00:00

abstract：:Extrapulmonary tuberculosis refers to Mycobacterium tuberculosis involving organs other than the lungs (eg, pleura, lymph nodes, genitourinary tract, abdomen, skin, joints and bones, or meninges). In non-HIV-endemic areas, where reactivation is the predominant mechanism of tuberculosis, pleural involvement occurs in 4...

journal_title：Chest

authors： Gleason JB,Tashtoush B,Mehta J,Savage E,Martinez F,Mehta AC

更新日期：2016-10-01 00:00:00

abstract：:A 32-year-old man who presented with symptoms suggesting empyema was found at thoracotomy to have infarction of an extralobar pulmonary sequestration. He was completely relieved by excision of the sequestration after securing the systemic vascular pedicle which had undergone torsion. Recognition of the anomalous blood...

journal_title：Chest

authors： Maull KI,McElvein RB

更新日期：1975-07-01 00:00:00

abstract：BACKGROUND:Although the cycle ergometer is the traditional mode for exercise testing in patients with respiratory disease, this preference over the treadmill does not consider perceptual responses. Our hypotheses were as follows: (1) the regression slope between breathlessness and oxygen consumption (Vo(2)) is greater ...

journal_title：Chest

authors： Murray JA,Waterman LA,Ward J,Baird JC,Mahler DA

更新日期：2009-02-01 00:00:00

abstract：:Four patients with elevated creatine phosphokinase (CPK) values and recurrent chest pain were found to have thoracic outlet syndrome. This association of abnormal CPK levels and chest pain due to thoracic outlet syndrome has not been previously reported. Symptoms and CPK values improved with anti-inflammatory medicati...

journal_title：Chest

authors： Godfrey NF,Halter DG,Minna DA,Weiss M,Lorber A

更新日期：1983-03-01 00:00:00

abstract：STUDY OBJECTIVES:Preoperative renal dysfunction is a risk factor for adverse events in cardiac surgery. This study compared creatinine clearance (ClCr), estimated from the Cockroft and Gault formula, and plasma creatinine level as predictors of outcome after cardiac surgery. DESIGN:Prospective, observational. SETTING...

journal_title：Chest

authors： Wang F,Dupuis JY,Nathan H,Williams K

更新日期：2003-11-01 00:00:00

abstract：:The occasional use of over-the-counter (OTC) epinephrine inhalers appears to be safe and effective when used according to labeled instruction by individuals with mild, intermittent asthma. However, gross misuse of these products can cause severe adverse reactions, including death. Limited survey data suggest that appr...

journal_title：Chest

authors： Dickinson BD,Altman RD,Deitchman SD,Champion HC

更新日期：2000-08-01 00:00:00

abstract：:The ventilatory effects of a bolus intravenous dose of doxapram (0.37 to 0.47 mg/kg) were studied in ten healthy normal subjects. An immediate significant (p less than 0.001) increase in minute ventilation (VE) was due, in equal part, to significant increases in tidal volume (VT) and frequency (f). The inspiratory (TI...

journal_title：Chest

authors： Burki NK

更新日期：1984-05-01 00:00:00

abstract：BACKGROUND:Altitude-induced pulmonary hypertension has been suggested to cause left ventricular (LV) diastolic dysfunction due to ventricular interaction. In this study, we evaluate the effects of exercise- and altitude-induced increase in pulmonary artery pressures on LV diastolic function in an interventional setting...

journal_title：Chest

authors： Bernheim AM,Kiencke S,Fischler M,Dorschner L,Debrunner J,Mairbäurl H,Maggiorini M,Brunner-La Rocca HP

更新日期：2007-08-01 00:00:00

abstract：STUDY OBJECTIVE:To investigate the role of oropharyngeal and cutaneous commensal microorganisms (OCCs) as a cause of ventilator-associated pneumonia (VAP). DESIGN:Retrospective analysis of the medical and microbiological records. SETTING:One medical-surgical ICU. PATIENTS:All VAP episodes recorded during a 10-year p...

journal_title：Chest

authors： Lambotte O,Timsit JF,Garrouste-Orgeas M,Misset B,Benali A,Carlet J

更新日期：2002-10-01 00:00:00

abstract：OBJECTIVES:To prospectively study all patients with COPD and spontaneous pneumothorax (SP) who underwent thoracoscopic talc poudrage (TP) under local anesthesia to determine its efficacy and safety in recurrence prevention. METHODS:Data on clinical measurements, complications, duration of chest tube drainage, length o...

journal_title：Chest

authors： Lee P,Yap WS,Pek WY,Ng AW

更新日期：2004-04-01 00:00:00

abstract：:A 48-year-old man with unipolar depression and a psychosexual problem concerning his body image was injecting his scrotum repeatedly with olive oil to increase the size of his genitals. He developed respiratory failure following accidental intravenous injection of olive oil and was found to have lipogranulomatous lesi...

journal_title：Chest

authors： Bhagat R,Holmes IH,Kulaga A,Murphy F,Cockcroft DW

更新日期：1995-03-01 00:00:00

abstract：BACKGROUND:Non-small cell lung cancer (NSCLC) staging is currently being revised by the International Association for the Study of Lung Cancer (IASLC). Among other changes, the revised staging system proposes the subdivision of the T1 tumor (

journal_title：Chest

authors： Ye C,Masterman JR,Huberman MS,Gangadharan SP,McDonald DC,Kent MS,DeCamp MM

更新日期：2009-09-01 00:00:00

abstract：:The ipsilateral recurrence rate after the first spontaneous pneumothorax treated with tube thoracostomy is reported to be between 23 percent and 52 percent. The incidence of recurrence after the first recurrence is substantially higher. Chemical pleurodesis has been attempted to decrease the recurrence rate. Tetracycl...

journal_title：Chest

authors： Milanez JR,Vargas FS,Filomeno LT,Fernandez A,Jatene A,Light RW

更新日期：1994-10-01 00:00:00

abstract：STUDY OBJECTIVES:The objectives of this study are as follows: (1) to determine the incidence of complications from thoracentesis performed under ultrasound guidance by interventional radiologists in a tertiary referral teaching hospital; (2) to evaluate the incidence of vasovagal events without the use of atropine prio...

journal_title：Chest

authors： Jones PW,Moyers JP,Rogers JT,Rodriguez RM,Lee YC,Light RW

更新日期：2003-02-01 00:00:00

abstract：:Transesophageal, endoscopic ultrasound (EUS)-guided fine-needle aspiration (FNA) and positron emission tomography (PET) scanning are new modalities for staging non-small cell lung cancer (NSCLC), the roles of which are still being defined. A 78-year-old man with a right lower lobe (RLL) mass and mediastinal adenopathy...

journal_title：Chest

authors： Rosenberg JM,Perricone A,Savides TJ

更新日期：2002-09-01 00:00:00

abstract：STUDY OBJECTIVES:(1) To define the incidence and natural history of Aspergillus colonization and infection in lung transplant recipients, and (2) to assess the impact of prophylaxis, surveillance, and therapy on the incidence and outcome of the disease. DESIGN:Retrospective review of 133 consecutive single or bilatera...

journal_title：Chest

authors： Mehrad B,Paciocco G,Martinez FJ,Ojo TC,Iannettoni MD,Lynch JP 3rd

更新日期：2001-01-01 00:00:00

abstract：:The incidence and severity of catheter-induced tricuspid regurgitation has not been studied extensively. Given the frequency with which right heart catheters are employed to measure cardiac output, it is important to know whether the severity of catheter-induced tricuspid regurgitation is sufficient to invalidate the ...

journal_title：Chest

authors： Stewart D,Leman RB,Kaiser J,Mann DL

更新日期：1991-03-01 00:00:00

abstract：BACKGROUND:While isolating the pulmonary arterial branches within the fissure is a crucial step in lobectomy, a largely fused fissure usually hinders its achievement, making lobectomy with video-assisted thoracoscopic surgery (VATS) difficult to achieve. For VATS lobectomy in lung cancer patients with a largely fused f...

journal_title：Chest

authors： Nomori H,Ohtsuka T,Horio H,Naruke T,Suemasu K

更新日期：2003-02-01 00:00:00

abstract：:Pulmonary hypertension is a common finding in patients with idiopathic pulmonary fibrosis (IPF), and is associated with increased morbidity and mortality. Therapy with sildenafil has been shown to decrease pulmonary vascular resistance in patients with pulmonary fibrosis and may improve functional status. Patients wit...

journal_title：Chest

authors： Collard HR,Anstrom KJ,Schwarz MI,Zisman DA

更新日期：2007-03-01 00:00:00

abstract：:Survival from reversible forms of severe pulmonary insufficiency remains dismal despite the development of artificial oxygenators. We hypothesized that an intraabdominal heterotopic lung could help maintain adequate oxygenation during acute pulmonary insufficiency. Five mongrel dogs underwent an acute heterotopic lung...

journal_title：Chest

authors： Lazzara RR,Cmolik BE,Trumble DR,Pennock BE,Magovern JA

更新日期：1994-07-01 00:00:00

abstract：BACKGROUND:Increased right ventricular afterload leads to left ventricular diastolic dysfunction due to ventricular interdependence. Increased right ventricular afterload is frequently present in patients with COPD. The purpose of this study was to determine whether left ventricular diastolic dysfunction could be detec...

journal_title：Chest

authors： Funk GC,Lang I,Schenk P,Valipour A,Hartl S,Burghuber OC

更新日期：2008-06-01 00:00:00

abstract：:The successful use of streptokinase therapy in a child with chronic thrombosis of a prosthetic valve (Carbomedics) in the tricuspid position is presented. ...

journal_title：Chest

authors： Mehan VK,Dalvi BV,Kale PA

更新日期：1992-11-01 00:00:00

abstract：BACKGROUND AND AIM:ARDS can occur from the following two pathogenetic pathways: a direct pulmonary injury (ARDSp); and an indirect injury (ARDSexp). The predisposing clinical factor can influence the pathogenesis and clinical outcome of ARDS. This metaanalysis was aimed at evaluating whether there is any difference in ...

journal_title：Chest

authors： Agarwal R,Srinivas R,Nath A,Jindal SK

更新日期：2008-06-01 00:00:00

abstract：:Cardiac tamponade, a potentially lethal complication following cardiac surgery, may present either early or late postoperatively and may be difficult to diagnose due to atypical clinical, hemodynamic, or echocardiographic findings. To determine the frequency and clinical features of postoperative cardiac tamponade, we...

journal_title：Chest

authors： Russo AM,O'Connor WH,Waxman HL

更新日期：1993-07-01 00:00:00

abstract：:Fourteen of 22 patients (64%) with normally functioning porcine prosthetic valves in the mitral position had apical diastolic rumbles on phonocardiogram and by auscultation. Six (27%) had opening snaps. Factors necessary for the production of a diastolic rumble appear to include central flow, a flexible stent, and the...

journal_title：Chest

authors： Mirro MJ,Phyhel HJ,Wann LS,Weyman AE,Tavel ME,Stewart J

更新日期：1978-02-01 00:00:00

abstract：:A case of idiopathic pulmonary hypertension is associated with portal venous thrombosis. The patient's chest roentgenogram revealed numerous nodular densities which at necropsy were found to have been caused by an exuberant fibroblastic reaction around small pulmonary arterioles. This is an example of the unusual asso...

journal_title：Chest

authors： Bower JS,Dantzker DR,Naylor B

更新日期：1980-07-01 00:00:00

abstract：:Exposure to cigarette smoke can lead to a variety of parenchymal lung diseases, including diffuse cystic lung diseases (DCLDs). Lymphangioleiomyomatosis (LAM) is the prototypical DCLD and has a characteristic appearance on high-resolution CT (HRCT). We present a series of four patients with DCLD on HRCT who were refer...

journal_title：Chest

authors： Gupta N,Colby TV,Meyer CA,McCormack FX,Wikenheiser-Brokamp KA

更新日期：2018-08-01 00:00:00