Evaluation of systolic time intervals in patients with angina pectoris.

abstract：:Chronic maintenance tocainide therapy was effective in controlling symptomatic, recurrent ventricular tachycardia in 11 of 15 patients. Patients were selected for tocainide therapy on the basis of refractoriness to conventional antiarrhythmic agents and responsiveness to the intravenous administration of lidocaine. Si...

journal_title：American heart journal

authors： Maloney JD,Nissen RG,McColgan JM

更新日期：1980-12-01 00:00:00

abstract：:Angina pectoris before and after MI was evaluated in a sample of 729 men and women from a general population in whom MI developed during a 36-year period of follow-up. Relations of AP to subsequent CHD events and mortality after initial MI were analyzed by proportional hazards regression models and were adjusted for c...

journal_title：American heart journal

authors： Brand FN,Larson M,Friedman LM,Kannel WB,Castelli WP

更新日期：1996-07-01 00:00:00

abstract：BACKGROUND:A shortcoming of the pediatric electrocardiogram (ECG) appears to be its inability to accurately detect left ventricular hypertrophy (LVH). This study prospectively assesses the usefulness of the pediatric ECG as a screening modality for LVH. METHODS:Concomitant echocardiograms and ECGs from a large cohort ...

journal_title：American heart journal

authors： Rivenes SM,Colan SD,Easley KA,Kaplan S,Jenkins KJ,Khan MN,Lai WW,Lipshultz SE,Moodie DS,Starc TJ,Sopko G,Zhang W,Bricker JT,Pediatric Pulmonary and Cardiovascular Complications of Vertically Transmitted HIV Infection Study Grou

更新日期：2003-04-01 00:00:00

abstract：:To determine whether cholinergic mechanisms contribute to blood pressure responses during arterial baroreflex inhibition and stimulation, we assessed the effects of atropine on pressor and depressor responses during and after release of the Valsalva maneuver, upon administration of intravenous phenylephrine and nitrog...

journal_title：American heart journal

authors： Goldstein DS,Keiser HR

更新日期：1984-05-01 00:00:00

abstract：BACKGROUND:Hepatocyte growth factor (HGF), a member of the endothelial-specific growth factors with the greatest mitogenic activity, may play a role in the protection and/or repair of vascular endothelial cells injured by atherosclerosis. As a result, plasma HGF concentration may increase in response to endothelial cel...

journal_title：American heart journal

authors： Tateishi J,Waku S,Masutani M,Ohyanagi M,Iwasaki T

更新日期：2002-02-01 00:00:00

abstract：:In subjects without coronary disease, coronary perfusion pressure generated with closed-chest cardiopulmonary resuscitation (CPR) bears a direct relationship to myocardial blood flow. The effect of coronary lesions on this relationship was studied in an experimental porcine model not requiring thoracotomy. Coronary st...

journal_title：American heart journal

authors： Kern KB,Lancaster L,Goldman S,Ewy GA

更新日期：1990-08-01 00:00:00

abstract：:To understand the process of atherosclerosis, the homeostatic and protective functions of the endothelium must be considered. The endothelium serves as the interface between blood flow and the vascular tissues. It normally regulates vascular tone and structure through the release of vasoactive substances and maintenan...

journal_title：American heart journal

authors： Dzau VJ

更新日期：1994-12-01 00:00:00

abstract：:Combination therapy with mexiletine (MEX) and quinidine (Q) may be more efficacious than monotherapy with either drug in suppressing ventricular arrhythmias, but its effects on ventricular performance are not known. Thus, right ventricular ejection fraction (RVEF) and left ventricular ejection fraction (LVEF) and wall...

journal_title：American heart journal

authors： Sheldon RS,Duff HJ,Mitchell LB,Wyse DG,Manyari DE

更新日期：1988-05-01 00:00:00

abstract：:To determine which method of surgical therapy might be optimal for patients with anomalous left coronary artery from the pulmonary artery (ALCAPA), a follow-up study was performed. Twenty-nine teenagers and adults who had ALCAPA diagnosed during life at age 13 years or older were identified mainly by literature search...

journal_title：American heart journal

authors： Wilson CL,Dlabal PW,McGuire SA

更新日期：1979-10-01 00:00:00

abstract：BACKGROUND:Compared with men, women have more evidence of myocardial ischemia with no obstructive coronary artery disease. Although low endogenous estrogen levels are associated with endothelial dysfunction, the role of low-dose hormone therapy has not been fully evaluated. We postulate that a 12-week duration of low-d...

journal_title：American heart journal

authors： Merz CN,Olson MB,McClure C,Yang YC,Symons J,Sopko G,Kelsey SF,Handberg E,Johnson BD,Cooper-DeHoff RM,Sharaf B,Rogers WJ,Pepine CJ

更新日期：2010-06-01 00:00:00

abstract：:One hundred two patients with evolving myocardial infarction of 6 hours' duration were given aspirin and intravenous heparin and randomly allocated to intravenous front-loaded, weight-adjusted rTPA administration over a 90-minute period (52 patients) or to two 15 mg doses of recombinant staphylokinase, 30 minutes apar...

journal_title：American heart journal

authors： Vanderschueren S,Dens J,Kerdsinchai P,Desmet W,Vrolix M,De Man F,Van den Heuvel P,Hermans L,Collen D,Van de Werf F

更新日期：1997-08-01 00:00:00

abstract：:Percutaneous transluminal coronary recanalization, a new therapeutic procedure used in acute myocardial infarction, offers significant reduction in mortality, as well as more effective limitation of the zone of infarction than has been possible with other pharmacologic treatment employed in the past. The risk of coron...

journal_title：American heart journal

authors： Rutsch W,Schartl M,Mathey D,Kuck K,Merx W,Dörr R,Rentrop P,Blanke H

更新日期：1981-12-01 00:00:00

abstract：BACKGROUND:We aimed to study the comparative safety and effectiveness of various antithrombotic treatment strategies among older adults with non-ST elevation myocardial infarction (NSTEMI) and atrial fibrillation (AF). METHODS:Using the CRUSADE registry linked to longitudinal Medicare claims data, we examined NSTEMI p...

journal_title：American heart journal

authors： Fosbol EL,Wang TY,Li S,Piccini JP,Lopes RD,Shah B,Mills RM,Klaskala W,Alexander KP,Thomas L,Roe MT,Peterson ED

更新日期：2012-04-01 00:00:00

abstract：BACKGROUND:Complications of vascular access are one of the most common adverse events after coronary angiography and percutaneous coronary intervention (PCI) and are reported to occur in 1% to 9% of cases. There are conflicting reports of the association of vascular complications with the use of vascular closure device...

journal_title：American heart journal

authors： Arora N,Matheny ME,Sepke C,Resnic FS

更新日期：2007-04-01 00:00:00

abstract：:Recently developed unstable angina clinical practice guidelines have recommended risk stratification with dipyridamole thallium-201 myocardial imaging in patients at "intermediate" pretest clinical risk who cannot exercise maximally. The prognostic value of predischarge dipyridamole technetium 99m sestamibi (MIBI) tom...

journal_title：American heart journal

authors： Stratmann HG,Tamesis BR,Younis LT,Wittry MD,Amato M,Miller DD

更新日期：1995-10-01 00:00:00

abstract：:Four hundred and ninety-two patients with coronary artery disease underwent analysis of their electrocardiograms, coronary arteriograms, and ventriculograms. Significant Q-waves were correlated with critical coronary occlusions (greater than or equal 75 per cent obstruction) and ventricular contractility. It was found...

journal_title：American heart journal

authors： Gottlieb RS,Duca PR,Kasparian H,Scariato A,Brest AN

更新日期：1975-10-01 00:00:00

abstract：:We assessed the safety of early (2 to 4 days) intravenous dipyridamole infusion in conjunction with technetium 99m sestamibi tomographic myocardial perfusion imaging in patients with first myocardial infarction (MI). Early risk stratification with myocardial perfusion imaging of patients after acute MI may be useful t...

journal_title：American heart journal

authors： Heller GV,Brown KA,Landin RJ,Haber SB

更新日期：1997-07-01 00:00:00

abstract：:This study investigated the correlation between cardiac abnormalities and cytosine-thymine-guanine (CTG) trinucleotide repeat expansion in patients with myotonic dystrophy (MD). We studied 18 patients with the adult form of classical MD and 18 age-matched control subjects. In patients with MD, left ventricular systoli...

journal_title：American heart journal

authors： Hayashi Y,Ikeda U,Kojo T,Nishinaga M,Miyashita H,Kuroda T,Inoue K,Nishizawa M,Shimada K

更新日期：1997-08-01 00:00:00

abstract：:The effects of handgrip and supine bicycle exercise on hemodynamics and left ventricular (LV) performance were compared in 25 patients with moderate to severe aortic regurgitation (AR) and normal LV ejection fraction at rest (greater than or equal to 50%) and in 10 control subjects. In both groups, heart rate, systoli...

journal_title：American heart journal

authors： Shen WF,Fletcher PJ,Roubin GS,Choong CY,Hutton BF,Harris PJ,Kelly DT

更新日期：1985-06-01 00:00:00

abstract：BACKGROUND:Diabetic nephropathy is associated with increased cardiovascular events. Coronary atherosclerosis is responsible for many of these events, but other mechanisms such as impaired flow reserve may be involved. The purpose of this study was to define the prevalence and mechanism of abnormal coronary velocity res...

journal_title：American heart journal

authors： Ragosta M,Samady H,Isaacs RB,Gimple LW,Sarembock IJ,Powers ER

更新日期：2004-06-01 00:00:00

abstract：BACKGROUND:Acute pericarditis is common, yet uncertainty persists on its treatment. We thus aimed to conduct a comprehensive systematic review on pharmacologic treatments for acute or recurrent pericarditis. METHODS:Controlled clinical studies were searched in several databases and were included provided they focused ...

journal_title：American heart journal

authors： Lotrionte M,Biondi-Zoccai G,Imazio M,Castagno D,Moretti C,Abbate A,Agostoni P,Brucato AL,Di Pasquale P,Raatikka M,Sangiorgi G,Laudito A,Sheiban I,Gaita F

更新日期：2010-10-01 00:00:00

abstract：BACKGROUND:Platelet inhibition is critical in reducing both short- and long-term atherothrombotic risks after acute myocardial infarction (MI), especially among patients managed with percutaneous coronary intervention (PCI). Currently available antiplatelet medications, including adenosine diphosphate (ADP) receptor in...

journal_title：American heart journal

authors： Chin CT,Wang TY,Anstrom KJ,Zhu B,Maa JF,Messenger JC,Ryan KA,Davidson-Ray L,Zettler M,Effron MB,Mark DB,Peterson ED

更新日期：2011-11-01 00:00:00

abstract：BACKGROUND:Women have been underrepresented in randomized trials of implantable cardioverter defibrillator (ICD) therapy, and limited data suggest that women may not benefit from prophylactic ICD implantation to the same extent as men. In the Defibrillators in Non-Ischemic Cardiomyopathy Treatment Evaluation (DEFINITE)...

journal_title：American heart journal

authors： Albert CM,Quigg R,Saba S,Estes NA 3rd,Shaechter A,Subacius H,Howard A,Levine J,Kadish A,DEFINITE Investigators.

更新日期：2008-08-01 00:00:00

abstract：:The occurrence of thrombotic events is central to the course of polycythemia vera. Myocardial, cerebral, peripheral, and pulmonary infarctions are frequent and are consequences of throbmoses in small and medium caliber arteries. Thrombosis in large caliber arteries is a rare event. Thrombosis within the chambers of th...

journal_title：American heart journal

authors： Ali M,Fayemi AO,Malcolm D,Braun EV

更新日期：1980-10-01 00:00:00

abstract：BACKGROUND:The incidence of end-stage renal disease (ESRD) has been consistently shown to be higher among blacks and Hispanics compared to whites with unmeasured risk factors and access to care as suggested explanations. In a high-risk cohort with frequent protocol-directed follow-up, we evaluated the influence of race...

journal_title：American heart journal

authors： Lewis EF,Claggett B,Parfrey PS,Burdmann EA,McMurray JJ,Solomon SD,Levey AS,Ivanovich P,Eckardt KU,Kewalramani R,Toto R,Pfeffer MA

更新日期：2015-08-01 00:00:00

abstract：BACKGROUND:Stroke is a rare but serious event that complicates the course of patients with acute coronary syndromes (ACS). The type, outcome, and risk factors of stroke occurring in stabilized patients with ACS have not been previously reported. METHODS:We evaluated stroke incidence, subtypes, and outcomes, in additio...

journal_title：American heart journal

authors： Kassem-Moussa H,Mahaffey KW,Graffagnino C,Tasissa G,Sila CA,Simes RJ,White HD,Califf RM,Bhapkar MV,Newby LK,SYMPHONY and 2nd SYMPHONY Investigators.

更新日期：2004-09-01 00:00:00

abstract：BACKGROUND:In the United States, there continues to be debate about whether certain types of hospitals deliver improved patient outcomes. We sought to assess the association between hospital organizational characteristics and in-hospital outcomes for percutaneous coronary intervention (PCI). METHODS:Retrospective anal...

journal_title：American heart journal

authors： Cram P,House JA,Messenger JC,Piana RN,Horwitz PA,Spertus JA

更新日期：2012-02-01 00:00:00

abstract：BACKGROUND:Ibutilide is indicated for the acute termination of atrial fibrillation and atrial flutter. Recent work concludes that ibutilide activates a late inward sodium current that is blocked by nifedipine. Because calcium channel blockers are commonly used in patients with atrial fibrillation, it is important to ex...

journal_title：American heart journal

authors： Wood MA,Gilligan DM,Brown-Mahoney C,Nematzadeh F,Stambler BS,Ellenbogen KA

更新日期：2002-01-01 00:00:00

abstract：:This review focuses on selected aspects of the treatment of patients being evaluated for and undergoing cardiac transplantation. Cardiac transplantation is a potential therapeutic option for a variety of irreversible cardiac disorders when the symptomatic status and anticipated survival after transplantation exceeds t...

journal_title：American heart journal

authors： Taylor AJ,Bergin JD

更新日期：1995-03-01 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