Electrophysiologic findings in long-term asymptomatic chagasic individuals.

abstract：BACKGROUND:The long-term prognostic significance of elevated cardiac markers in an undifferentiated patient population with chest pain is unknown. METHODS:Serum troponin I (cTnI), creatine kinase-MB (CK-MB), and myoglobin were measured at presentation in 951 consecutive patients evaluated in the emergency department f...

journal_title：American heart journal

authors： Jaffery Z,Nowak R,Khoury N,Tokarski G,Lanfear DE,Jacobsen G,McCord J

更新日期：2008-11-01 00:00:00

abstract：BACKGROUND:Data on left atrial/left atrial appendage (LA/LAA) thrombus resolution after non-vitamin K antagonist (VKA) oral anticoagulant treatment are scarce. The primary objective of X-TRA was to explore the use of rivaroxaban for the resolution of LA/LAA thrombi in patients with nonvalvular atrial fibrillation (AF) ...

journal_title：American heart journal

authors： Lip GY,Hammerstingl C,Marin F,Cappato R,Meng IL,Kirsch B,van Eickels M,Cohen A,X-TRA study and CLOT-AF registry investigators.

更新日期：2016-08-01 00:00:00

abstract：:We retrospectively contrasted the medical outcome of patients removed from the heart transplant consideration list because of clinical improvement with that of transplant recipients. Of 60 patients awaiting transplantation, 18 were removed from the list (group A), and 42 required transplant or died (group B). Group A ...

journal_title：American heart journal

authors： Levine TB,Levine AB,Goldberg AD,Tobes M,Narins B,Lesch M

更新日期：1996-12-01 00:00:00

abstract：:To test the feasibility of synchronized retroperfusion (SRP) as a support device of percutaneous transluminal coronary angioplasty (PTCA) for high-risk patients, 10 patients with left main trunk or near left main trunk obstruction underwent PTCA with SRP. An 8.5F retroperfusion catheter was inserted from the antecubit...

journal_title：American heart journal

authors： Nanto S,Nishida K,Hirayama A,Mishima M,Komamura K,Masai M,Sakakibara T,Kodama K

更新日期：1993-02-01 00:00:00

abstract：BACKGROUND:During daytime working hours, outcomes may be worse when percutaneous coronary intervention (PCI) is performed later in the day because of operator fatigue and differences in process of care. METHODS:Using the APPROACH database, we analyzed 2,492 consecutive nonurgent PCI procedures performed during working...

journal_title：American heart journal

authors： Cantor WJ,Strauss BH,Graham MM,Southern DA,Woo K,Tyrrell B,Knudtson M,Ghali WA

更新日期：2010-06-01 00:00:00

abstract：:dal-PLAQUE is a placebo-controlled multicenter study designed to assess the effect of dalcetrapib on imaging measures of plaque inflammation and plaque burden. dal-PLAQUE is a multimodality imaging study in the context of the large dal-HEART Program. Decreased high-density lipoprotein cholesterol is linked to increase...

journal_title：American heart journal

authors： Fayad ZA,Mani V,Woodward M,Kallend D,Bansilal S,Pozza J,Burgess T,Fuster V,Rudd JH,Tawakol A,Farkouh ME

更新日期：2011-08-01 00:00:00

abstract：BACKGROUND:Recent randomized clinical trials have suggested a benefit of an invasive management strategy in patients with acute coronary syndromes. However, the broader use and impact of the invasive management approach has not been established for patients with acute coronary syndromes beyond the relatively narrow pat...

journal_title：American heart journal

authors： Dauerman HL,Yarzebski J,Gore JM,Lessard D,Goldberg RJ

更新日期：2002-06-01 00:00:00

abstract：BACKGROUND:Whether low-molecular-weight heparin (LMWH) is superior to unfractionated heparin (UFH) in acute ST-segment elevation myocardial infarction (STEMI) patients undergoing primary percutaneous coronary intervention (PCI) with drug-eluting stents (DESs) remains unclear. METHODS:A total of 3,372 STEMI patients wh...

journal_title：American heart journal

authors： Li YJ,Rha SW,Chen KY,Poddar KL,Jin Z,Minami Y,Wang L,Dang Q,Li GP,Ramasamy S,Park JY,Choi CU,Kim JW,Kim EJ,Park CG,Seo HS,Oh DJ,Jeong MH,Ahn YK,Hong TJ,Park JS,Kim YJ,Hur SH,Seong IW,Chae JK,Cho MC,Bae

更新日期：2010-04-01 00:00:00

abstract：BACKGROUND:In regional systems of ST-segment elevation myocardial infarction (STEMI) care, patients presenting to hospitals without percutaneous coronary intervention (PCI) are transferred to PCI-capable hospitals for primary PCI. Repatriation, a practice whereby such patients are transferred back to non-PCI referral h...

journal_title：American heart journal

authors： Ting R,Tejpal A,Finken L,Fisher M,Lefkowitz C,Parthasarathy H,Fallis B,Fosbol EL,Al-Shehri M,Kutryk M,Buller CE,Fam N,Graham JJ,Cheema AN,Bagai A

更新日期：2016-07-01 00:00:00

abstract：:The expected implant lifetime of pacemaker generators has been extended with the introduction of lithium power sources. Consequently, the pacing lead may become the component that determines the total implant lifetime of the pacemaker. This fact emphasizes the necessity for accurate assessment of the integrity of a ch...

journal_title：American heart journal

authors： Angello DA,McAnulty JH,Dobbs J

更新日期：1984-06-01 00:00:00

abstract：BACKGROUND:Standard gray-scale imaging (GSI), three-dimensional (3D) echocardiography has been shown to be superior to two-dimensional echocardiography in measuring left ventricular volume. However, the often relatively poor quality of transthoracic gray-scale data can limit the potential application of this technique....

journal_title：American heart journal

authors： Lange A,Palka P,Nowicki A,Olszewski R,Anderson T,Adamus J,Sutherland GR,Fox KA

更新日期：1998-06-01 00:00:00

abstract：:The effectiveness of postextrasystolic potentiation (PESP) was assessed to detect residual function of the left ventricle in seven patients with idiopathic dilated cardiomyopathy (IDC). The postextrasystolic changes in the aortic pressure pulse, global left ventricular function, and quantitative regional left ventricu...

journal_title：American heart journal

authors： Yamazoe M

更新日期：1987-06-01 00:00:00

abstract：:Sodium-glucose cotransporter 2 inhibitor (SGLT2i) use is associated with improved cardiovascular and kidney outcomes. However, the magnitude and potential heterogeneity of effect across patients with varying types of cardiometabolic and kidney disease is unclear. To examine the effect of SGLT2i on cardiovascular and k...

journal_title：American heart journal

authors： Salah HM,Al'Aref SJ,Khan MS,Al-Hawwas M,Vallurupalli S,Mehta JL,Mounsey JP,Greene SJ,McGuire DK,Lopes RD,Fudim M

更新日期：2021-02-01 00:00:00

abstract：:We evaluated the use of simple balloon overinflation to induce neointimal hyperplasia in a porcine model of coronary artery restenosis. By using standard percutaneous transluminal coronary angioplasty techniques, left anterior descending (LAD) and/or left circumflex (LCX) coronary arteries of either juvenile feeder pi...

journal_title：American heart journal

authors： Humphrey WR,Simmons CA,Toombs CF,Shebuski RJ

更新日期：1994-01-01 00:00:00

abstract：:Fifty adult men with mild to moderate hypertension were recruited to participate in a double-blind crossover study. Each subject received 14 days of drug treatment and 14 days of placebo treatment (random order). Half the subjects were assigned to a metoprolol (150 mg/day) vs placebo treatment regimen and half to an a...

journal_title：American heart journal

authors： Streufert S,DePadova A,McGlynn T,Pogash R,Piasecki M

更新日期：1988-07-01 00:00:00

abstract：:To determine whether a dose of 5 mg of nifedipine would be useful in the treatment of hypertensive emergencies, we compared the acute hypotensive effects of two different doses of nifedipine, 5 mg and 10 mg, in patients with severe hypertension. In this prospective, randomized, double-blind study, 30 consecutive black...

journal_title：American heart journal

authors： Maharaj B,van der Byl K

更新日期：1992-09-01 00:00:00

abstract：:We report the angiographic studies of 53 consecutive patients with angiographic coronary artery disease (CAD) and recurrent sustained ventricular tachycardia occurring at least 6 weeks remote from an acute myocardial infarction. Triple-vessel disease was present in 25 patients (47%), double-vessel disease in 19 patien...

journal_title：American heart journal

authors： Lam W,Pietras R,Bauernfeind R,Swiryn S,Strasberg B,Palileo E,Rosen KM

更新日期：1983-06-01 00:00:00

abstract：:Patients with acute coronary syndrome (ACS) need to be risk stratified to deliver the most appropriate therapy. The GRACE and TIMI risk scores have penetrated contemporary guidelines with the former most commonly used in clinical practice. However, ACS prediction models need to be re-evaluated in contemporary practice...

journal_title：American heart journal

authors： Bawamia B,Mehran R,Qiu W,Kunadian V

更新日期：2013-04-01 00:00:00

abstract：:We compared the pauses that followed the spontaneous termination of supraventricular tachyarrhythmias with the pauses that followed the cessation of atrial overdrive pacing in 21 patients. In 10 patients with abnormal sinus node function and in 11 patients with normal sinus node function we recorded the spontaneous te...

journal_title：American heart journal

authors： Gang ES,Reiffel JA,Livelli FD Jr,Bigger JT Jr

更新日期：1983-02-01 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：:Atherosclerotic coronary artery disease is a serious clinical problem. Clinicians dealing with patients can make a diagnosis of coronary disease in several ways. Unfortunately all too often the diagnosis is made via sudden death or acute myocardial infarction. At other times the diagnosis is made by evaluation of pati...

journal_title：American heart journal

authors： Anderson HV,King SB 3rd

更新日期：1992-05-01 00:00:00

abstract：BACKGROUND:Lipid lowering through statin therapy significantly reduces the risk of cardiovascular events. The ENHANCE study is an international 2-year, randomized, double-blind, controlled trial designed to test the hypothesis that treatment of hypercholesterolemia by use of 2 complementary agents, ezetimibe (a specifi...

journal_title：American heart journal

authors： Kastelein JJ,Sager PT,de Groot E,Veltri E

更新日期：2005-02-01 00:00:00

abstract：:A prospective study examining the relationship between psychological distress and ventricular ectopy was conducted with 125 post-myocardial infarction patients equipped with a transtelephonic ECG monitor. Subjects were subsequently grouped according to the occurrence (n = 59) or nonoccurrence (n = 65) of ventricular a...

journal_title：American heart journal

authors： Follick MJ,Gorkin L,Capone RJ,Smith TW,Ahern DK,Stablein D,Niaura R,Visco J

更新日期：1988-07-01 00:00:00

abstract：BACKGROUND:Statins (3-hydroxy-3-methyl-glutaryl coenzyme A reductase inhibitors) are known to reduce mortality and cardiac events in patients with coronary artery disease who have not progressed to left ventricular systolic dysfunction (LVSD) and/or heart failure (HF). This study investigated the effect of changes in s...

journal_title：American heart journal

authors： Huan Loh P,Windram JD,Tin L,Reddy P,Velavan P,Rigby AS,Atkin P,Nikitin NP,Clark AL,Cleland JG

更新日期：2007-04-01 00:00:00

abstract：BACKGROUND:Diabetes mellitus and impaired glucose metabolism are associated with increased risk for cardiovascular disease (CVD). However, it is still not clear whether glucose levels can predict CVD risk among patients without diabetes. The primary aim of this study is to assess whether normoglycemic fasting plasma gl...

journal_title：American heart journal

authors： Shaye K,Amir T,Shlomo S,Yechezkel S

更新日期：2012-07-01 00:00:00

abstract：BACKGROUND:Chronotropic incompetence and left ventricular (LV) dilatation have both been shown to be markers of an adverse cardiovascular prognosis. Chronotropic incompetence has been described in patients with symptomatic LV dilatation and dysfunction, but the effect of asymptomatic LV dilatation and hypertrophy on ex...

journal_title：American heart journal

authors： Lauer MS,Larson MG,Evans JC,Levy D

更新日期：1999-05-01 00:00:00

abstract：:The presence and severity of functional mitral regurgitation were quantified by Doppler echocardiography in 17 patients with dilated cardiomyopathy and no evidence of primary valvular disease. Mitral regurgitant fraction was greater than 20% in 11 of the 17 patients, and exceeded 40% in four patients. Total stroke vol...

journal_title：American heart journal

authors： Keren G,Katz S,Strom J,Sonnenblick EH,LeJemtel TH

更新日期：1988-09-01 00:00:00

abstract：BACKGROUND:Glycoprotein (GP) IIb/IIIa inhibitors can improve outcomes in patients with non-ST-segment elevation acute coronary syndromes but raise the risk of bleeding, particularly if dosed in excess. The impact of GP IIb/IIIa dosing feedback on safety and major bleeding is unknown. METHODS:Glycoprotein IIb/IIIa dosi...

journal_title：American heart journal

authors： Mudrick DW,Chen AY,Roe MT,Newby LK,Gibler WB,Ohman EM,Peterson ED,Alexander KP

更新日期：2010-12-01 00:00:00

abstract：:The prognostic significance of functional status has not been previously studied in the setting of acute myocardial infarction. We assessed the Karnofsky Performance Status (KPS) score, a simple functional status scale that is commonly used to categorize physical ability, in 849 patients with acute myocardial infarcti...

journal_title：American heart journal

authors： Brezinski D,Stone PH,Muller JE,Tofler GH,Davis V,Parker C,Hartley LH,Braunwald E

更新日期：1991-05-01 00:00:00

abstract：:Congestive heart failure with dilated left ventricle developed in two patients with symptomatic hypertrophic obstructive cardiomyopathy. Both patients previously underwent cardiac surgery for relief of their outflow obstruction. Alterations in structure and function of the left ventricle during their episode of cardia...

journal_title：American heart journal

authors： ten Cate FJ,Roelandt J

更新日期：1979-06-01 00:00:00