Pre-excitation of the ventricle associated with total intra His bundle block.

abstract：BACKGROUND:Larger studies evaluating the angiographic results of second-generation stents are scarce. The objectives of this study were to assess current standards of angiographic and clinical outcomes after implantation of the second-generation stainless steel stent, NIR (Medinol Ltd, Tel Aviv, Israel), and to compare...

journal_title：American heart journal

authors： Jørgensen E,Kelbaek H,Helqvist S,Jensen GV,Saunamäki K,Kastrup J,Madsen JK,Kløvgaard L,Thuesen L,Villadsen A,van Weert AW,Reiber JH,Danish multicenter stent study (DANSTENT).

更新日期：2003-02-01 00:00:00

abstract：:Fenoldopam mesylate (SK&F 82526-J) is a novel benzazepine derivative. It has selective agonist activity at post-junctional (DA1) vascular dopaminergic receptors, which normally subserve renal artery vasodilation. Previous studies in normal subjects and in patients with hypertension indicate that fenoldopam increases r...

journal_title：American heart journal

authors： Francis GS,Wilson BC,Rector TS

更新日期：1988-08-01 00:00:00

abstract：:The associations between socioeconomic status, ethnic origin, and risk factors for CHD were studied in 2,591 white and black children from two socioeconomically dissimilar populations in the New York City area. The study subjects were selected from all fourth graders in 44 elementary schools. Blood pressure, plasma li...

journal_title：American heart journal

authors： Walter HJ,Hofman A

更新日期：1987-03-01 00:00:00

abstract：:A-II exerts its activity on various target tissues by binding to its receptors. The discovery of local RASs and A-II receptors within various tissues has generated interest in the clinical usefulness of RAS inhibition by directly blocking the action of A-II at the receptor level. Different A-II receptor subtypes have ...

journal_title：American heart journal

authors： Kang PM,Landau AJ,Eberhardt RT,Frishman WH

更新日期：1994-05-01 00:00:00

abstract：BACKGROUND:The long-term prognostic significance of early (<48 hours) ventricular fibrillation (VF) or sustained ventricular tachycardia (VT) in patients with an acute myocardial infarction remains controversial. Emerging data suggest that some of the benefit of renin-angiotensin-aldosterone system (RAAS) antagonism ma...

journal_title：American heart journal

authors： Askari AT,Shishehbor MH,Kaminski MA,Riley MJ,Hsu A,Lincoff AM,GUSTO-V Investigators.

更新日期：2009-08-01 00:00:00

abstract：:T-lymphocyte levels may adversely affect the clinical course and outcome of patients with acute myocardial infarction (AMI). To characterize the T-lymphocyte profile during AMI and to explore whether these cells play a detrimental role in the extent of myocardial insult, levels of T-lymphocyte subpopulations, free sol...

journal_title：American heart journal

authors： Blum A,Sclarovsky S,Rehavia E,Shohat B

更新日期：1994-05-01 00:00:00

abstract：:Standard evaluation of children with sinus node (SN) dysfunction cannot distinguish abnormal autonomic tone from intrinsic SN disease. This distinction has potentially important therapeutic and prognostic implications. Intrinsic heart rate (IHR)--the peak heart rate (HR) measured during pharmacologic combined autonomi...

journal_title：American heart journal

authors： Marcus B,Gillette PC,Garson A Jr

更新日期：1990-04-01 00:00:00

abstract：:The main threat to patients with mild to moderate hypertension is coronary heart disease (CHD), but controlled trials of antihypertensive drug therapy have given disappointing results: overall, the reduction in CHD mortality (11%) and morbidity (10%) were small and nonsignificant. Recent trials comparing a beta blocke...

journal_title：American heart journal

authors： Rose G

更新日期：1987-10-01 00:00:00

abstract：:Ambulatory ECG recordings were obtained from 313 consecutive, totally symptom-free male subjects on whom cardiac catheterization was subsequently performed for occupational reasons. These recordings were examined for ventricular ectopy and the results were studied in relation to the findings on selective coronary angi...

journal_title：American heart journal

authors： Batchelor AJ,Kruyer WB,Hickman JR Jr

更新日期：1989-06-01 00:00:00

abstract：:There are a number of important drug interactions with amiodarone. This agent appears to have a marked effect on the kinetics of some commonly used cardiovascular drugs, such as warfarin, digoxin, quinidine, and procainamide, and has dynamic interactions with others, such as the beta blockers and some calcium antagoni...

journal_title：American heart journal

authors： Marcus FI

更新日期：1983-10-01 00:00:00

abstract：BACKGROUND:We evaluated ethnic differences in the 10-year risk of myocardial infarction or coronary death derived from Framingham risk equation and in a composite measure of emerging cardiovascular disease risk factors in women and whether statistical adjustments for educational attainment, geographic location, and lif...

journal_title：American heart journal

authors： Matthews KA,Sowers MF,Derby CA,Stein E,Miracle-McMahill H,Crawford SL,Pasternak RC

更新日期：2005-06-01 00:00:00

abstract：BACKGROUND:Systolic wall motion abnormality (WMA) after acute myocardial infarction (AMI) is a major determinant of outcome; the presence and importance of diastolic WMA after AMI are unknown. We therefore sought to detect diastolic WMA using color kinesis and to assess its relation to neurohormonal activation and its ...

journal_title：American heart journal

authors： Husic M,Nørager B,Egstrup K,Lang RM,Møller JE

更新日期：2005-10-01 00:00:00

abstract：:The pathophysiologic features and clinical manifestations of HCM have been elucidated by the introduction of several new diagnostic options. Knowledge of the molecular defects of HCM has advanced rapidly, and genetic screening studies have reemphasized the value of the standard electrocardiogram as an initial screenin...

journal_title：American heart journal

authors： Posma JL,van der Wall EE,Blanksma PK,van der Wall E,Lie KI

更新日期：1996-11-01 00:00:00

abstract：BACKGROUND:Anemia in heart failure is both common and associated with worse symptoms and increased mortality. Several small randomized controlled trials (RCTs) have assessed erythropoiesis-stimulating agents (ESAs), but definitive evaluation and clinical guidance are required. We sought to systematically review the eff...

journal_title：American heart journal

authors： Kotecha D,Ngo K,Walters JA,Manzano L,Palazzuoli A,Flather MD

更新日期：2011-05-01 00:00:00

abstract：BACKGROUND:A strategy using coronary artery calcium (CAC) screening to refine coronary heart disease risk assessment in moderately high risk (MHR) subjects (10-year risk 10%-20%) has been suggested. The potential impact of this strategy is unknown. METHODS:Coronary artery calcium screening strategies focused on MHR su...

journal_title：American heart journal

authors： Patel MJ,de Lemos JA,McGuire DK,See R,Lindsey JB,Murphy SA,Grundy SM,Khera A

更新日期：2009-06-01 00:00:00

abstract：BACKGROUND:Previous studies have suggested that thrombolysis is used less often in blacks than in whites. However, whether the greater prevalence of contraindications or less specific electrocardiographic manifestations of myocardial infarction (MI) account for this difference is unclear. METHODS AND RESULTS:We studie...

journal_title：American heart journal

authors： Manhapra A,Khaja F,Syed M,Rybicki BA,Wulbrecht N,Alam M,Sabbah H,Goldstein S,Borzak S

更新日期：2000-08-01 00:00:00

abstract：:The appearance of perivalvular cavities (PCs) in patients with infectious endocarditis (IE) was studied by transesophageal echocardiography (TEE) color Doppler examinations to determine whether the color Doppler TEE presentation was in keeping with the current concept of PCs representing abscesses. Two heart centers p...

journal_title：American heart journal

authors： Tingleff J,Egeblad H,Gøtzsche CO,Baandrup U,Kristensen BO,Pilegaard H,Pettersson G

更新日期：1995-07-01 00:00:00

abstract：:This study attempted to define the role of endothelin (ET) in preconditioning. We previously showed that ET Is produced during myocardial ischemia and reperfusion. Because both preconditioning and ET act through protein kinase C, ET could play a role in preconditioning. Dogs were randomized to three groups subjected t...

journal_title：American heart journal

authors： Erikson JM,Velasco CE

更新日期：1996-07-01 00:00:00

abstract：:The single-dose pharmacokinetics of amiodarone have been studied in volunteer subjects given 400 mg doses by the intravenous and oral routes. The data show the compound to have a very large volume of distribution, a low total clearance, and a long and variable terminal elimination half-life. In patients the terminal e...

journal_title：American heart journal

authors： Holt DW,Tucker GT,Jackson PR,Storey GC

更新日期：1983-10-01 00:00:00

abstract：:The effect of the reperfusion on myocardial infarction has been studied in the rat in order to assess the possible reversibility of myocardial damage. The present study deals with reperfusion of experimental myocardial infarction in the rat. Two groups of animals were compared: one was subjected to permanent ischemia ...

journal_title：American heart journal

authors： Deloche A,Fabiani JN,Camilleri JP,Relland J,Joseph D,Carpentier A,Dubost C

更新日期：1977-03-01 00:00:00

abstract：:We aimed to investigate long-term (≥5 years) outcomes of percutaneous coronary intervention (PCI) versus coronary artery bypass grafting (CABG) for left main coronary artery disease (LMCAD) using a meta-analysis from updated published randomized trials. Our data showed that the risk of all-cause death as well as cardi...

journal_title：American heart journal

authors： Kuno T,Ueyama H,Rao SV,Cohen MG,Tamis-Holland JE,Thompson C,Takagi H,Bangalore S

更新日期：2020-09-01 00:00:00

abstract：:Therapeutics involves the careful balance between treatment disadvantages and advantages--the so-called risk-benefit ratio. Even after 20 years beta-blockers must be selected carefully to suit the patient's needs. This review examines several problems associated with beta-blockade. Generally, beta1-cardioselectivity i...

journal_title：American heart journal

authors： Reid JL

更新日期：1988-11-01 00:00:00

abstract：:The acute anatomic and valvular consequences of radiofrequency catheter ablation of accessory pathways were evaluated in 62 patients by means of serial echocardiographic examinations. Semiquantitative assessment of valvular incompetence and classification into one of four grades according to the width and the extensio...

journal_title：American heart journal

authors： Metzger JT,Cheriex EC,Smeets JL,Vanagt E,Rodriguez LM,Pieters FA,Weide A,Wellens HJ

更新日期：1994-06-01 00:00:00

abstract：:Although it has been shown that early cardiac rejection can be visualized by radioimmunoscintigraphy targeting major histocompatibility complex class II antigen, the use of antibodies that bind to a polymorphic determinant of class II antigen has certain disadvantages for clinical application. This investigation was d...

journal_title：American heart journal

authors： Isobe M,Southern JF,Yazaki Y

更新日期：1994-05-01 00:00:00

abstract：:Current antitachycardia systems are incapable of adequately distinguishing stable from unstable tachycardias. Previously, integration of a pressure sensor or an impedance sensor, together with electrogram analysis, has been investigated as an improved method of identifying unstable arrhythmias. A mixed venous oxygen s...

journal_title：American heart journal

authors： Cohen TJ,Liem LB

更新日期：1991-09-01 00:00:00

abstract：BACKGROUND:Race-ethnic differences exist in the epidemiology of heart failure, with blacks experiencing higher incidence and worse prognosis. Left ventricular (LV) systolic dysfunction (LVSD) detected by speckle-tracking global longitudinal strain (GLS) is a predictor of cardiovascular events including heart failure. I...

journal_title：American heart journal

authors： Russo C,Jin Z,Homma S,Rundek T,Elkind MS,Sacco RL,Di Tullio MR

更新日期：2015-05-01 00:00:00

abstract：BACKGROUND:l-arginine is a commonly consumed dietary conditional essential amino acid found in food items and supplements, which is closely related to asymmetric dimethylarginine (ADMA) and symmetric dimethylarginine (SDMA). l-arginine is thought to increase nitric oxide and be cardioprotective, whereas ADMA and SDMA m...

journal_title：American heart journal

authors： Au Yeung SL,Lin SL,Lam HS,Schooling CM

更新日期：2016-12-01 00:00:00

abstract：BACKGROUND:Previous studies have generated inconsistent results when attempting to define predictors of stroke and death in patients with endocarditis. We sought to examine the relationship between vegetation 2-dimensional size and stroke in those with infective endocarditis (IE) and to identify differences between aor...

journal_title：American heart journal

authors： Cabell CH,Pond KK,Peterson GE,Durack DT,Corey GR,Anderson DJ,Ryan T,Lukes AS,Sexton DJ

更新日期：2001-07-01 00:00:00

abstract：BACKGROUND:Cardiac magnetic resonance (cMR) perfusion imaging is a promising technique to assess coronary artery disease (CAD). Our objective was to evaluate accuracy of various cMR imaging parameters to detect significant CAD as compared with angiography or fractional flow reserve (FFR). METHODS:We prospectively enro...

journal_title：American heart journal

authors： Futamatsu H,Wilke N,Klassen C,Shoemaker S,Angiolillo DJ,Siuciak A,Morikawa-Futamatsu K,Suzuki N,von Ziegler F,Bass TA,Costa MA

更新日期：2007-08-01 00:00:00

abstract：OBJECTIVE:To determine the effect of exercise training on cardiac autonomic modulation in normal older adults by using analysis of heart rate variability. SUBJECTS:The exercise group consisted of 7 men and 9 women aged 66 +/- 4 years. The comparison group consisted of 7 men and 9 women also aged 66 +/- 4 years. METHO...

journal_title：American heart journal

authors： Stein PK,Ehsani AA,Domitrovich PP,Kleiger RE,Rottman JN

更新日期：1999-09-01 00:00:00