Vasodilatation with felodipine in chronic asymptomatic aortic regurgitation.

abstract：:In order to correlate the antiarrhythmic and electrophysiological effects of disopyramide phosphate during acute myocardial ischemia, we performed experiments in 17 mongrel dogs. Refractory periods obtained by the extrastimulus method and conduction times recorded from local electrograms were determined in potentially...

journal_title：American heart journal

authors： Levites R,Anderson GJ

更新日期：1979-09-01 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：:The actions of the beta-adrenergic receptor antagonist, d,l-nadolol, were examined in anesthetized dogs subjected to circumflex coronary artery ligation in the presence of previous anterior myocardial infarction. With circumflex ligation, control dogs (N = 18) developed premature ventricular beats and ventricular tach...

journal_title：American heart journal

authors： Patterson E,Lucchesi BR

更新日期：1988-11-01 00:00:00

abstract：BACKGROUND:New percutaneous coronary intervention (PCI) device technologies are often rapidly adopted into clinical practice, yet few studies have examined the overall impact of these new technologies on patient outcomes in community practice. METHODS:In hopes of determining temporal trends in PCI outcomes, we used da...

journal_title：American heart journal

authors： Rao SV,Hess CN,Dai D,Green CL,Peterson ED,Douglas PS

更新日期：2013-08-01 00:00:00

abstract：:1. A 4-year-old boy with the congenital partial defect of the left pericardium who presented with myocardial infarction, died of incarceration of the left ventricle. 2. This is the fourth reported case of death from this anomaly in the world. 3. Because this anomaly occasionally causes sudden death, it is important to...

journal_title：American heart journal

authors： Saito R,Hotta F

更新日期：1980-12-01 00:00:00

abstract：BACKGROUND:Trimethylamine N-oxide (TMAO), a gut-related metabolite, is associated with heart failure (HF) outcomes. However, TMAO is the final product of a complex metabolic pathway (ie, choline/carnitine) that has never been entirely investigated in HF. The present study investigates a panel of metabolites involved in...

journal_title：American heart journal

authors： Israr MZ,Bernieh D,Salzano A,Cassambai S,Yazaki Y,Heaney LM,Jones DJL,Ng LL,Suzuki T

更新日期：2021-01-14 00:00:00

abstract：OBJECTIVES:We aim to review the studies comparing coronary calcification across different ethnic groups. BACKGROUND:There is still uncertainty regarding ethnic differences in the prevalence, progression, and risk of coronary artery disease. Clues to possible racial differences in rates of coronary heart disease (CHD) ...

journal_title：American heart journal

authors： Orakzai SH,Orakzai RH,Nasir K,Santos RD,Edmundowicz D,Budoff MJ,Blumenthal RS

更新日期：2006-11-01 00:00:00

abstract：BACKGROUND:Aortopulmonary collaterals (APCs) are frequently observed before and after the Fontan procedure. However, the mechanism of the development of APCs is unknown. We hypothesized that one or several antiangiogenic and/or angiogenic growth factors might play a role in the development of APCs. METHODS:Eighty-five...

journal_title：American heart journal

authors： Mori Y,Shoji M,Nakanishi T,Fujii T,Nakazawa M

更新日期：2007-06-01 00:00:00

abstract：:To evaluate the stability of precordial ST-segment mapping techniques in assessing ischemic myocardial injury, we studied 28 patients with acute anterior myocardial infarction using a 49-lead electrocardiographic system (1 mV. = 10 mm.). The sum of ST elevations in millimeters was taken as an index of ischemic injury,...

journal_title：American heart journal

authors： Madias JE,Hood WB Jr

更新日期：1977-05-01 00:00:00

abstract：BACKGROUND:Tailored Antiplatelet Initiation to Lessen Outcomes Due to Decreased Clopidogrel Response after Percutaneous Coronary Intervention (TAILOR-PCI) is the largest cardiovascular genotype-based randomized pragmatic trial (NCT#01742117) to evaluate the role of genotype-guided selection of oral P2Y12 inhibitor ther...

journal_title：American heart journal

authors： Pereira NL,Avram R,So DY,Iturriaga E,Byrne J,Lennon RJ,Murthy V,Geller N,Goodman SG,Rihal C,Rosenberg Y,Bailey K,Pletcher MJ,Marcus GM,Farkouh ME,Olgin JE

更新日期：2021-02-01 00:00:00

abstract：BACKGROUND:Appropriate use criteria (AUC) for stress single-photon emission computed tomography (SPECT) are only one step in appropriate use of imaging. Other steps include pretest clinical risk evaluation and optimal management responses. We sought to understand the link between AUC, risk evaluation, management, and o...

journal_title：American heart journal

authors： Aldweib N,Negishi K,Seicean S,Jaber WA,Hachamovitch R,Cerqueira M,Marwick TH

更新日期：2013-09-01 00:00:00

abstract：:Selective inhibition of sinus node function offers the possibility to decrease heart rate and reduce myocardial oxygen consumption in patients with impaired cardiac function, if myocardial contractility is not further attenuated. To study the influence of a specific sinus node inhibitor on myocardial function, alinidi...

journal_title：American heart journal

authors： Koenig W,Stauch M,Sund M,Wanjura D,Henze E

更新日期：1990-06-01 00:00:00

abstract：:The hearts from 10 necropsy patients with Ebstein's anomaly of the tricuspid valve were examined for abnormalities of the mitral valve. Five patients were under 1 year of age and none had an abnormal mitral valve. The other five patients were ages 18 to 72 years (mean 36 years); all had focal fibrous thickening of the...

journal_title：American heart journal

authors： Cabin HS,Roberts WC

更新日期：1981-02-01 00:00:00

abstract：:To test the hypothesis that elevated plasma levels of natriuretic peptides may serve to identify patients with left ventricular (LV) dysfunction, we assessed the predictive diagnostic value of natriuretic peptide levels, in addition to clinical and electro-cardiographic risk factors, as noninvasive indicators of cardi...

journal_title：American heart journal

authors： Muders F,Kromer EP,Griese DP,Pfeifer M,Hense HW,Riegger GA,Elsner D

更新日期：1997-09-01 00:00:00

abstract：BACKGROUND:In patients with severe pulmonary hypertension (PH), right ventricular function is a main determinant of clinical stability and outcome. Supraventricular tachyarrhythmias (SVTs) may compromise cardiac function and threaten prognosis in patients with PH, but the incidence and clinical relevance of SVTs in PH ...

journal_title：American heart journal

authors： Tongers J,Schwerdtfeger B,Klein G,Kempf T,Schaefer A,Knapp JM,Niehaus M,Korte T,Hoeper MM

更新日期：2007-01-01 00:00:00

abstract：BACKGROUND:Little data exist to assist to help those organizing and managing heart failure (HF) disease management (DM) programs. We aimed to describe the intensity of outpatient HF care (clinic visits and telephone calls) and medical and nonpharmacological interventions in the outpatient setting. METHODS:This was a p...

journal_title：American heart journal

authors： Shah MR,Whellan DJ,Peterson ED,Nohria A,Hasselblad V,Xue Z,Bowers MT,O'Connor CM,Califf RM,Stevenson LW

更新日期：2008-04-01 00:00:00

abstract：BACKGROUND:Protocols incorporating high-sensitivity troponin to guide decision making in the disposition of patients with suspected acute coronary syndromes (ACS) in the emergency department have received a lot of attention. Traditionally, patients with chest pain have required long periods of observation in emergency ...

journal_title：American heart journal

authors： Papendick C,Blyth A,Seshadri A,Edmonds MJR,Briffa T,Cullen L,Quinn S,Karnon J,Chuang A,Nelson AJ,Horsfall M,Morton E,Chew DP

更新日期：2017-08-01 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:Acute myocardial infarction (AMI) has become a major cause of hospitalization and mortality in China. There has been limited data to date available to characterize AMI presentation, contemporary patterns of medical care, and outcomes in China. AIMS:The CAMI Registry is a national project with the objectives...

journal_title：American heart journal

authors： Xu H,Li W,Yang J,Wiviott SD,Sabatine MS,Peterson ED,Xian Y,Roe MT,Zhao W,Wang Y,Tang X,Jia X,Wu Y,Gao R,Yang Y,CAMI Registry study group.

更新日期：2016-05-01 00:00:00

abstract：BACKGROUND:Single nucleotide polymorphisms of vitamin K epoxide reductase complex subunit 1 (VKORC1) was reported to have association with arterial vascular disease. We investigated whether single nucleotide polymorphism of VKORC1 +2255 is associated with clinical outcomes among patients who underwent drug-eluting sten...

journal_title：American heart journal

authors： Suh JW,Baek SH,Park JS,Kang HJ,Chae IH,Choi DJ,Park HJ,Kim PJ,Seung KB,Kim HS

更新日期：2009-05-01 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: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：:Left circumflex coronary blood flow was increased significantly (20 per cent) during stimulation of somatic afferent fibers. The change in CBF was associated with significant increases in heart rate and arterial pressure and significant decrease in coronary vascular resistance. Controlling heart rate or preventing car...

journal_title：American heart journal

authors： Kline RL

更新日期：1979-07-01 00:00:00

abstract：BACKGROUND:The metabolic syndrome is a cluster of clinical characteristics thought to be associated with increased coronary risk. This analysis evaluates angiographic progression of coronary disease in women who are postmenopausal with and without the metabolic syndrome enrolled in the Women's Angiographic Vitamin & Es...

journal_title：American heart journal

authors： Hsia J,Bittner V,Tripputi M,Howard BV

更新日期：2003-09-01 00:00:00

abstract：:Because of its unique ability to demonstrate the metabolic consequences of myocardial ischemia, positron emission tomography (PET) is extremely valuable in assessing myocardial viability. PET imaging can identify the myocardial segments that are likely to improve after revascularization and may be more sensitive and s...

journal_title：American heart journal

authors： Gupta NC,Esterbrooks D,Mohiuddin S,Hilleman D,Sunderland J,Shiue CY,Frick MP

更新日期：1991-07-01 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:Patients with heart failure frequently exhibit intraventricular conduction delays, which contribute to asynchronous contraction patterns and impaired hemodynamic performance. Cardiac resynchronization therapy (CRT) with biventricular (BV) and left ventricular (LV) pacing has been shown to improve both hemody...

journal_title：American heart journal

authors： Breithardt OA,Stellbrink C,Franke A,Balta O,Diem BH,Bakker P,Sack S,Auricchio A,Pochet T,Salo R,Pacing Therapies for Congestive Heart Failure Study Group.,Guidant Congestive Heart Failure Research Group.

更新日期：2002-01-01 00:00:00

abstract：:Out of 160 prospectively followed patients with aortic regurgitation, the clinical courses of 53 patients with pure, severe, and chronic aortic regurgitation and without coronary artery disease who were selected for surgery on the basis of predefined criteria is discussed. Surgical criteria were either unequivocal sym...

journal_title：American heart journal

authors： Tornos MP,Permanyer-Miralda G,Evangelista A,Worner F,Candell J,Garcia-del-Castillo H,Soler-Soler J

更新日期：1990-09-01 00:00:00

abstract：:Fourteen fetuses with atrioventricular canal malformations were examined by two-dimensional echocardiography, pulsed-wave Doppler echocardiography, and color Doppler flow mapping. Eleven fetuses had complete and three fetuses had partial atrioventricular canal malformations. Nonimmune hydrops fetalis was associated wi...

journal_title：American heart journal

authors： Gembruch U,Knöpfle G,Chatterjee M,Bald R,Redel DA,Födisch HJ,Hansmann M

更新日期：1991-05-01 00:00:00

abstract：BACKGROUND:The human KCNE1 protein forms the β-subunit of the IKs potassium channel and is important in the regulation of the atrial action potential duration. The purpose of this study was to investigate the association between the nonsynonymous 112G>A mutation of the KCNE1 gene and postcardiac surgery atrial fibrilla...

journal_title：American heart journal

authors： Voudris KV,Apostolakis S,Karyofillis P,Doukas K,Zaravinos A,Androutsopoulos VP,Michalis A,Voudris V,Spandidos DA

更新日期：2014-02-01 00:00:00