Intraventricular thrombosis in polycythemia vera: A cause of intractable cardiac failure.

abstract：:We assessed the relationship between echocardiographic and hemodynamic parameters in 28 patients with documented acute myocardial infarction (AMI), who underwent M-mode echocardiography and Swan-Ganz catheterization during the same hospitalization. Patients with valvular heart disease were excluded from the study. On ...

journal_title：American heart journal

authors： Nador F,De Martini M,Binda A,Radrizzani D,Cirò E,Lotto A

更新日期：1984-07-01 00:00:00

abstract：:The acute electrophysiologic effects of a bolus injection of 100 mg. of lidocaine were investigated in 39 patients with impulse formation and conduction defects by means of His-bundle recording and were correlated with plasma lidocaine levels. The effects of therapeutic plasma levels on conduction intervals and refrac...

journal_title：American heart journal

authors： Roos JC,Dunning AJ

更新日期：1975-06-01 00:00:00

abstract：:To assess relative capabilities of magnetic resonance (MR) imaging and two-dimensional echocardiography (2DE) for evaluating regional contractile dysfunction in the left ventricle after a myocardial infarction, results from 22 concurrent MR (orthogonal-transaxial, ECG-gated, multiphasic, single-spin echo) and 2DE exam...

journal_title：American heart journal

authors： White RD,Cassidy MM,Cheitlin MD,Emilson B,Ports TA,Lim AD,Botvinick EH,Schiller NB,Higgins CB

更新日期：1988-01-01 00:00:00

abstract：:The antiarrhythmic effects of mexiletine (n = 14) were compared to procainamide (n = 16) by a double-blind parallel protocol in 30 patients (group I) with frequent premature ventricular contractions (PVCs) (greater than 20/hr), and to amiodarone by an open-label sequential approach in 25 patients (mean left ventricula...

journal_title：American heart journal

authors： Nademanee K,Feld G,Hendrickson J,Intarachot V,Yale C,Heng MK,Singh BN

更新日期：1985-11-01 00:00:00

abstract：BACKGROUND:The conventional use of 16-slice multidetector computed tomography (MDCT) remains somewhat limited for evaluating stenoses in vein graft distal anastomotic sites and in coronary arteries. We investigated the diagnostic accuracy of 64-slice MDCT for assessment of both grafts and coronary arteries in patients ...

journal_title：American heart journal

authors： Onuma Y,Tanabe K,Chihara R,Yamamoto H,Miura Y,Kigawa I,Fukuda S,Miyairi T,Nakajima H,Hara K

更新日期：2007-09-01 00:00:00

abstract：BACKGROUND:In the setting of ST-segment elevation myocardial infarction, timely restoration of normal blood flow is associated with improved myocardial salvage and survival. Despite improvements in door-to-needle and door-to-balloon times, there remains an unmet need with respect to improved symptom-to-door times. A pr...

journal_title：American heart journal

authors： Gibson CM,Krucoff M,Kirtane AJ,Rao SV,Mackall JA,Matthews R,Saba S,Waksman R,Holmes D

更新日期：2014-10-01 00:00:00

abstract：BACKGROUND:Atrioventricular septal defect (AVSD) and double outlet right ventricle (DORV) with normally related great arteries and normal ventricular sizes are associated with a good long-term prognosis after biventricular (BV) repair. The outcome of cases with a borderline small left ventricle (bLV) is unclear. The pu...

journal_title：American heart journal

authors： Pitkänen OM,Hornberger LK,Miner SE,Mondal T,Smallhorn JF,Jaeggi E,Nield LE

更新日期：2006-07-01 00:00:00

abstract：BACKGROUND:Inflammation is an important feature of atherosclerotic lesions, and the vulnerability of coronary lesions in acute myocardial infarction (AMI) at the time of onset may be related to blood levels of C-reactive protein (CRP) on admission, before CRP levels are affected by myocardial damage. METHODS:A total o...

journal_title：American heart journal

authors： Tomoda H,Aoki N

更新日期：2000-08-01 00:00:00

abstract：BACKGROUND:In the general population, obesity is associated with an increased risk of all-cause death. However, the importance of obesity in patients with established coronary heart disease is less well defined. METHODS:As part of the Determinants of Myocardial Infarction Onset Study, we performed a prospective cohort...

journal_title：American heart journal

authors： Rana JS,Mukamal KJ,Morgan JP,Muller JE,Mittleman MA

更新日期：2004-05-01 00:00:00

abstract：:To investigate the mechanisms of restenosis and detect useful interventions to prevent it, reliable quantitative measurements must be evaluated. Coronary arteries of domestic and minipigs (n = 18) were mechanically injured by balloon overstretching and killed at different intervals (2 to 25 weeks) after quantitative a...

journal_title：American heart journal

authors： Bonan R,Paiement P,Scortichini D,Cloutier MJ,Leung TK

更新日期：1993-12-01 00:00:00

abstract：:The electrocardiographic QT interval, with a wide variety of practical and theoretic applications in medicine, pharmacology, and cardiology, is critically dependent on heart rate as expressed by cycle length (RR). To account for this and permit intraindividual and interindividual comparisons of changing QT intervals, ...

journal_title：American heart journal

authors： Spodick DH,Rifkin RD,Rajasingh MC

更新日期：1990-07-01 00:00:00

abstract：BACKGROUND:The diameter pulse waveforms (DPWs) are known to reflect the pressure waveforms at the target vessel. Our purpose was to clarify the usefulness of DPWs recorded noninvasively from the fetal inferior vena cava (IVC) for detecting cardiac function. METHODS:A paired ultrasonic phase-locked echo tracking system...

journal_title：American heart journal

authors： Mori A,Uchida N,Ishiguro Y,Atsuko T,Kanako M,Mikio M

更新日期：2007-10-01 00:00:00

abstract：BACKGROUND:Evidence from numerous studies of coronary angiography show differences between observers' assessments of 15% to 45%. The implication of this variation is serious: If readings are erroneous, some patients will undergo revascularization procedures unnecessarily and others will be denied an essential treatment...

journal_title：American heart journal

authors： Leape LL,Park RE,Bashore TM,Harrison JK,Davidson CJ,Brook RH

更新日期：2000-01-01 00:00:00

abstract：:A 17-year-old man with staphylococcal endocarditis of the mitral valve developed an infective aneurysm of the posterior left ventricular wall. Echocardiography revealed an echo-free space posterior to the posterior left ventricular wall. This echo-free space undoubtedly represented the aneurysmal sac, because it could...

journal_title：American heart journal

authors： Saksena FB,Kramer NE,Towne WD,Khan M,Gamble R,Cruz JB,Gill S

更新日期：1978-09-01 00:00:00

abstract：BACKGROUND:the objective of the study was to determine whether the effects of infarct-related artery (IRA) infusion of autologous bone marrow-derived CD34(+) cells after ST elevation myocardial infarction (STEMI) are dependent on the dose (quantity and mobility) of the cells infused. Beneficial effects of IRA infusion ...

journal_title：American heart journal

authors： Quyyumi AA,Waller EK,Murrow J,Esteves F,Galt J,Oshinski J,Lerakis S,Sher S,Vaughan D,Perin E,Willerson J,Kereiakes D,Gersh BJ,Gregory D,Werner A,Moss T,Chan WS,Preti R,Pecora AL

更新日期：2011-01-01 00:00:00

abstract：:The effects of lorcainide, a new antiarrhythmic drug, on serum electrolytes and osmolality are described in a series of 33 patients with organic heart disease and complex ventricular arrhythmias treated with lorcainide. In eight patients, a mean decrease in serum Na+ of 8.25 +/- 3.2 mEq/L was observed after a single 2...

journal_title：American heart journal

authors： Somani P,Temesy-Armos PN,Leighton RF,Goodenday LS,Fraker TD Jr

更新日期：1984-12-01 00:00:00

abstract：BACKGROUND:Under the hypothesis that the G-308A polymorphism in the promoter region of the tumor necrosis factor alpha gene might increase tumor necrosis factor alpha expression, several investigations have been performed to examine the influence of the -308A allele on the risk of cardiovascular events. The results of ...

journal_title：American heart journal

authors： Pereira TV,Rudnicki M,Franco RF,Pereira AC,Krieger JE

更新日期：2007-05-01 00:00:00

abstract：:Electrophysiologic studies were prospectively performed in 91 consecutive patients referred for evaluation of sustained ventricular tachycardia or sudden cardiac death. Fifty-two patients had a history of sustained ventricular tachycardia and 39 patients had a history of sudden cardiac death. The identical stimulation...

journal_title：American heart journal

authors： Oseran DS,Gang ES,Hamer AW,Zaher CA,Rosenthal ME,Mandel WJ,Peter T

更新日期：1985-09-01 00:00:00

abstract：:Endocarditis is a rare manifestation of disseminated Histoplasma capsulatum infection. A 22-year-old man presented with a seven month history of fever, weight loss, and progressive aortic insufficiency. The diagnosis of H. capsulatum was suggested by a diagnostic rise in complement fixation titers and positive echocar...

journal_title：American heart journal

authors： Blair TP,Waugh RA,Pollack M,Ashworth HE,Young NA,Anderson SE,Bem TP

更新日期：1980-06-01 00:00:00

abstract：:The incremental advantage of transesophageal echocardiography was determined by comparing results of paired transthoracic and transesophageal echocardiographic examinations performed in 61 patients for evaluation of suspected infective endocarditis. According to clinical and pathologic data, 31 of 61 (51%) patients ha...

journal_title：American heart journal

authors： Birmingham GD,Rahko PS,Ballantyne F 3rd

更新日期：1992-03-01 00:00:00

abstract：:Variation in measurements made from signal-averaged electrocardiograms was examined. Averaging 200 beats in 18 normal subjects, pairs of high-frequency QRS and low-amplitude signal durations correlated at immediate, short-term, and long-term intervals. The percent high-frequency (60 Hz to 120 Hz) voltages in the late ...

journal_title：American heart journal

authors： Engel TR,Pierce DL,Patil KD

更新日期：1991-12-01 00:00:00

abstract：BACKGROUND:While pharmacologic stress single photon emission computed tomography myocardial perfusion imaging (SPECT-MPI) is used for noninvasive evaluation of patients who are unable to perform treadmill exercise, its impact on net reclassification improvement (NRI) of prognosis is unknown. METHODS:We evaluated the p...

journal_title：American heart journal

authors： Lee DS,Husain M,Wang X,Austin PC,Iwanochko RM

更新日期：2016-04-01 00:00:00

abstract：BACKGROUND:Although age is the most important variable associated with death among patients with persistent ST-segment elevation, its impact on outcome among patients without persistent ST-segment elevation remains unknown. Moreover, the impact of age on the efficacy of antiplatelet therapy with eptifibatide is unknown...

journal_title：American heart journal

authors： Hasdai D,Holmes DR Jr,Criger DA,Topol EJ,Califf RM,Harrington RA

更新日期：2000-05-01 00:00:00

abstract：BACKGROUND:Bivalirudin is shown to be a competent substitute for heparin in percutaneous coronary intervention (PCI). The safety and efficacy of bivalirudin in patients undergoing PCI and vascular brachytherapy (VBT) are not known. This study aimed to assess the safety and efficacy of bivalirudin as a single antithromb...

journal_title：American heart journal

authors： Kuchulakanti P,Wolfram R,Torguson R,Rha SW,Cheneau E,Pinnow EE,Canos D,Satler LF,Pichard AD,Kent KM,Waksman R

更新日期：2005-10-01 00:00:00

abstract：:The Lown grading system uses three levels of frequency and four complex features to grade ventricular arrhythmias. The seven Lown grades are mutually exclusive (a patient can be in only one grade) and hierarchical (higher grades indicate increased likelihood of death). We evaluated the ability of the Lown arrhythmia g...

journal_title：American heart journal

authors： Bigger JT Jr,Weld FM

更新日期：1980-12-01 00:00:00

abstract：BACKGROUND:Pharmacodynamic studies reported an amplified on-clopidogrel platelet inhibition in smokers potentially caused by an increased metabolic drug activation via induction of cytochrome P450 1A2. The aims of this analysis were to evaluate the impact of smoking on the antiplatelet effect of clopidogrel and prasugr...

journal_title：American heart journal

authors： Hochholzer W,Trenk D,Mega JL,Morath T,Stratz C,Valina CM,O'Donoghue ML,Bernlochner I,Contant CF,Guo J,Sabatine MS,Schömig A,Neumann FJ,Kastrati A,Wiviott SD,Sibbing D

更新日期：2011-09-01 00:00:00

abstract：BACKGROUND:Inflammation has been suggested as a factor in the initiation and maintenance of atrial fibrillation (AF). Several observational studies have suggested that statins, presumably through their anti-inflammatory properties, decrease the risk of AF. METHODS:We analyzed 2 large, randomized trials, PROVE IT-TIMI ...

journal_title：American heart journal

authors： McLean DS,Ravid S,Blazing M,Gersh B,Shui A,Cannon CP

更新日期：2008-02-01 00:00:00

abstract：BACKGROUND:Heart failure (HF) is one of the leading causes of morbidity and mortality among Americans. Despite increased interest in end-of-life care, the implications of do-not-resuscitate (DNR) orders in acutely ill patients with HF remain unclear. The goals of this observational study were to describe the use of DNR...

journal_title：American heart journal

authors： Chen JL,Sosnov J,Lessard D,Goldberg RJ

更新日期：2008-07-01 00:00:00

abstract：BACKGROUND:The Gly16 beta(2)-adrenergic receptor (beta(2)AR) polymorphism is a common variant of the beta(2)AR that displays depressed function caused by enhanced receptor downregulation in vitro compared with the Arg16 receptor. METHODS AND RESULTS:We studied 20 healthy, normotensive, nonsmoking white individuals who...

journal_title：American heart journal

authors： Hoit BD,Suresh DP,Craft L,Walsh RA,Liggett SB

更新日期：2000-03-01 00:00:00

abstract：BACKGROUND:The aim of the study was to describe the incidence and consequences of minor surgery after drug-eluting stent (DES) implantation. METHODS:The Evaluation of Drug-Eluting Stents and Ischemic Events (EVENT) Registry prospectively enrolled unselected patients undergoing percutaneous coronary intervention at 47 ...

journal_title：American heart journal

authors： Brilakis ES,Cohen DJ,Kleiman NS,Pencina M,Nassif D,Saucedo J,Piana RN,Banerjee S,Keyes MJ,Yen CH,Berger PB

更新日期：2011-02-01 00:00:00