Color Doppler echocardiographic assessment of the change in the mitral regurgitant volume.

abstract：:A new integrated method for quantitating temporal and spatial systolic wall motion heterogeneity was developed and applied in 15 normal subjects and 26 patients with previous myocardial infarction (MI). After frame by frame digitizing, right anterior oblique left cineventriculograms (LV) were analyzed with 90 spaced r...

journal_title：American heart journal

authors： Chen CG,Bonzel T,Just H,Seiffert G,Zeiher A,Kasper W,Wollschlaeger H

更新日期：1986-10-01 00:00:00

abstract：:We altered the mechanical activity of the atrial myocardium in open-chest dogs and measured changes in coronary blood flow distribution, using the radioactive microsphere technique. When left and right atrial pressures were decreased to 2 mm Hg by hypovolemia, atrial coronary blood flow fell to values nearly 50% below...

journal_title：American heart journal

authors： Neill WA,Sewell DH,Gosalia KP,Kingsley EM,Oxendine JM

更新日期：1983-09-01 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：BACKGROUND:Prior studies regarding the effect of racial status on post-myocardial infarction (MI) in subjects with diabetes have yielded conflicting results. We evaluated the effect of diabetes status on racial differences in post-MI mortality and morbidity for a 7-year period, from 1990 through 1997. METHODS:All pati...

journal_title：American heart journal

authors： Kamalesh M,Subramanian U,Ariana A,Sawada S,Peterson E

更新日期：2005-11-01 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:Although inflammation is a core element of atherogenesis and plasma levels of fibrinogen (FGB), homocysteine, and intercellular adhesion molecule-1 (ICAM-1) differ by race/ethnicity, little is known about the role of genetic polymorphisms in the FGB, methylenetetrahydrofolate reductase (MTHFR), and ICAM-1 ge...

journal_title：American heart journal

authors： Albert MA,Pare G,Morris A,Rose L,Buring J,Ridker PM,Zee RY

更新日期：2009-04-01 00:00:00

abstract：:Major depression is a common comorbidity associated with ischemic heart disease (IHD). There is growing evidence that psychological stress in general and depression in particular predispose to cardiovascular disease. Persons who have mental stress during daily life are at twice the risk of myocardial ischemia, and pat...

journal_title：American heart journal

authors： O'connor CM,Gurbel PA,Serebruany VL

更新日期：2000-10-01 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：BACKGROUND:Chronic total occlusion (CTO) recanalizations remain extremely challenging procedures. With improvements in technology and techniques, success rates for recanalization of CTO continue to improve. However, the clinical benefits of this practice remain unclear. The aim of the study was to determine the effecti...

journal_title：American heart journal

authors： Joyal D,Afilalo J,Rinfret S

更新日期：2010-07-01 00:00:00

abstract：BACKGROUND:Atrial fibrillation (AF) continues to be one of the most common cardiac problems, placing an expanding burden on the public health system. In several circumstances, AF can increase the risk of stroke and heart failure. Current pharmacologic treatment options are associated with the potential for significant ...

journal_title：American heart journal

authors： Pratt CM,Reiffel JA,Ellenbogen KA,Naccarelli GV,Kowey PR

更新日期：2009-08-01 00:00:00

abstract：:In older patients (70 ± 7 years) with chronic well-compensated heart failure with preserved ejection and controlled blood pressure, 6 months treatment with aliskiren (direct renin inhibitor) showed non-significant trends for modest improvements in peak exercise oxygen consumption (14.9 ± 0.2 mL kg-1 min-1 versus 14.4 ...

journal_title：American heart journal

authors： Upadhya B,Brubaker PH,Morgan TM,Eggebeen JD,Jao GT,Stewart KP,Kitzman DW

更新日期：2018-07-01 00:00:00

abstract：BACKGROUND:The objective of this study was to determine if depression is associated with worse disease-specific functional status in patients with coronary artery disease. The study was designed as a cross-sectional survey and 3-month longitudinal cohort. METHODS AND RESULTS:The study took place in outpatient clinics ...

journal_title：American heart journal

authors： Spertus JA,McDonell M,Woodman CL,Fihn SD

更新日期：2000-07-01 00:00:00

abstract：BACKGROUND:Hypertrophic cardiomyopathy (HCM) is histopathologically characterized by myocyte hypertrophy, disarray, interstitial fibrosis, and small intramural coronary arteriole dysplasia, which contribute to disease progression. Longitudinal systolic and early diastolic strain rate (SR) measurements by speckle tracki...

journal_title：American heart journal

authors： Kobayashi T,Popovic Z,Bhonsale A,Smedira NG,Tan C,Rodriguez ER,Thamilarasan M,Lytle BW,Lever HM,Desai MY

更新日期：2013-09-01 00:00:00

abstract：BACKGROUND:Automated implantable cardioverter-defibrillators (ICDs) have become standard therapy for patients at high risk for sudden cardiac death. Linked data allow examination of trends in use and long-term survival after ICD implantation in an adult population. METHODS:Linked state-wide person-based data on hospit...

journal_title：American heart journal

authors： Bradshaw PJ,Stobie P,Briffa T,Hobbs MS

更新日期：2013-05-01 00:00:00

abstract：BACKGROUND:The prevalence of renal disease in cardiac intensive care units (CICUs) is increasing, but little is known about the utilization, concurrent therapies, and outcomes of patients requiring acute renal replacement therapy (RRT) in this specialized environment. METHODS:In the Critical Care Cardiology Trials Net...

journal_title：American heart journal

authors： van Diepen S,Tymchak W,Bohula EA,Park JG,Daniels LB,Phreaner N,Barnett CF,Kenigsberg BB,DeFilippis A,Singam NS,Barsness GW,Jentzer JC,Ternus B,Morrow DA,Katz JN,Critical Care Cardiology Trials Network Investigators.

更新日期：2020-04-01 00:00:00

abstract：:Giant cell arteritis is a disease of the elderly which is more common than previously recognized. It is important to be aware of this condition because treatment effectively relieves symptoms and prevents serious complications. The disease is suggested when an elderly patient complains of constitutional symptoms, head...

journal_title：American heart journal

authors： Huston KA,Hunder GG

更新日期：1980-07-01 00:00:00

abstract：BACKGROUND:Previous research suggests that after coronary artery bypass graft (CABG) surgery, women fare worse than men. This study investigates sex differences in depression during recovery from CABG surgery. METHODS:We followed 137 patients (72 men, 65 women) undergoing elective isolated first CABG surgery between J...

journal_title：American heart journal

authors： Mitchell RH,Robertson E,Harvey PJ,Nolan R,Rodin G,Romans S,Abramson BL,Brister SJ,Ivanov J,Stewart DE

更新日期：2005-11-01 00:00:00

abstract：:A large series of 306 patients with ischemic heart disease was studied with automated systolic time intervals and left ventricular ejection fraction as determined by the angiocardiographic method. It was found the pre-ejection period, left ventricular ejection time, delta values, and PEP/LVET ratio all were related to...

journal_title：American heart journal

authors： Swatzell RH Jr,Bancroft WH Jr,Baldone JC Jr,Tucker MS

更新日期：1977-04-01 00:00:00

abstract：OBJECTIVES:The DANHEART trial is a multicenter, randomized (1:1), parallel-group, double-blind, placebo-controlled study in chronic heart failure patients with reduced ejection fraction (HFrEF). This investigator driven study will include 1500 HFrEF patients and test in a 2 × 2 factorial design: 1) if hydralazine-isoso...

journal_title：American heart journal

authors： Wiggers H,Køber L,Gislason G,Schou M,Poulsen MK,Vraa S,Nielsen OW,Bruun NE,Nørrelund H,Hollingdal M,Barasa A,Bøttcher M,Dodt K,Hansen VB,Nielsen G,Knudsen AS,Lomholdt J,Mikkelsen KV,Jonczy B,Brønnum-Schou J,Poenar

更新日期：2021-01-01 00:00:00

abstract：:Serum digoxin and/quinidine concentration were measured before and following the institution of quinidine therapy in 11 patients who were receiving maintenance oral digoxin therapy and who required quinidine therapy for suppression of extrasystoles. Steady-state serum digoxin concentrations after quinidine administra...

journal_title：American heart journal

authors： Friedman HS,Chen TS

更新日期：1982-07-01 00:00:00

abstract：BACKGROUND:We evaluate a simple, bedside test that measures 1-minute heart rate variability in deep breathing as a predictor of death after myocardial infarction. METHODS:Bedside heart rate variability was assessed in 185 consecutive patients 5.1 +/- 2.5 days after a first myocardial infarction. Patients were instruct...

journal_title：American heart journal

authors： Katz A,Liberty IF,Porath A,Ovsyshcher I,Prystowsky EN

更新日期：1999-07-01 00:00:00

abstract：BACKGROUND:Afterload reduction decreases volume overload on the left ventricle and may thereby delay the need for valve replacement in chronic asymptomatic aortic regurgitation. The aims of this randomized double-blind, placebo-controlled trial were to examine short- and long-term hemodynamic effects of felodipine in c...

journal_title：American heart journal

authors： Søndergaard L,Aldershvile J,Hildebrandt P,Kelbaek H,Ståhlberg F,Thomsen C

更新日期：2000-04-01 00:00:00

abstract：:The influence of diltiazem on the hemodynamic effects of ouabain in 10 preinstrumented awake dogs was studied. Mean aortic pressure increased from 102 to 119 mm Hg with ouabain (p less than 0.05), an effect that was attenuated by pretreatment with diltiazem. The increase in systemic vascular resistance of 30% with oua...

journal_title：American heart journal

authors： Watford WH,Walsh RA,O'Rourke RA

更新日期：1989-10-01 00:00:00

abstract：BACKGROUND:Type III hyperlipoproteinemia is characterized by the accumulation of chylomicron and very low density lipoprotein (VLDL) remnants. Individuals with this disorder have a high risk of premature atherosclerosis, and hypolipidemic drugs are useful in their management. METHODS:We compared, in a double-blind, pl...

journal_title：American heart journal

authors： Civeira F,Cenarro A,Ferrando J,Puzo J,Garcia-Otín AL,Mozas P,Pocoví M

更新日期：1999-07-01 00:00:00

abstract：BACKGROUND:Although the management of thoracic aortic aneurysms (TAAs) has improved significantly, patients presenting with aortic dissections, rupture, or other acute complications of TAAs continue to have high rates of morbidity and mortality. Accumulating data have indicated that many TAAs are due to underlying gene...

journal_title：American heart journal

authors： Eagle KA,GenTAC Consortium.

更新日期：2009-02-01 00:00:00

abstract：:Recent experimental and clinical data have stimulated interest in the use of alpha-adrenergic antagonists in acute myocardial infarction. We evaluated nicergoline, a new relatively selective alpha 1-antagonist which uniquely lowers heart rate. Open-chest dogs, randomized to control (n = 25) or intravenously treated gr...

journal_title：American heart journal

authors： Bolli R,Brandon TA,Fisher DJ,Fernandez GC,Miller RR

更新日期：1983-11-01 00:00:00

abstract：:The long-term prognosis of patients successfully resuscitated from cardiac arrest who do not have acute precipitating factors and in whom ventricular arrhythmias cannot be induced during baseline electrophysiologic testing is controversial. The purpose of this investigation was to evaluate the long-term risk of recurr...

journal_title：American heart journal

authors： Sager PT,Choudhary R,Leon C,Rahimtoola SH,Bhandari AK

更新日期：1990-12-01 00:00:00

abstract：BACKGROUND:Dual antiplatelet therapy with aspirin and clopidogrel is currently recommended in off-pump coronary artery bypass (OPCAB). However, no data exist concerning platelet reactivity on clopidogrel after OPCAB. The aim of this study was to assess the relationship between platelet reactivity and late major adverse...

journal_title：American heart journal

authors： Youn YN,Yi G,Lee S,Joo HC,Yoo KJ

更新日期：2014-06-01 00:00:00

abstract：BACKGROUND:Percutaneous pulmonary valve implantation (PPVI) has been introduced as therapy for right ventricular (RV) to pulmonary artery conduit dysfunction in patients with congenital heart disease. It has been shown that RV systolic function improved early after PPVI. The effects of PPVI on RV diastolic function and...

journal_title：American heart journal

authors： Romeih S,Kroft LJ,Bokenkamp R,Schalij MJ,Grotenhuis H,Hazekamp MG,Groenink M,de Roos A,Blom NA

更新日期：2009-07-01 00:00:00

abstract：:Compared with pathologic studies coronary angiography is a relatively insensitive technique to detect early atherosclerosis. Coronary angioscopy is a new technique providing direct information on luminal vessel surface. To determine whether coronary angioscopy may detect the presence of atherosclerotic disease on angi...

journal_title：American heart journal

authors： Alfonso F,Goicolea J,Hernandez R,Segovia J,Silva JC,Perez-Vizcayno MJ,Rollan MJ,Bañuelos C,Macaya C

更新日期：1995-11-01 00:00:00