Endothelin-1 and myocardial preconditioning.

abstract：:Exercise-induced changes in QRS duration were assessed in 25 normal subjects and in 17 patients with stable ischemic heart disease. None had bundle branch block or were taking medications, and all patients had angina pectoris induced during the test. QRS duration and ST60 amplitude were measured by computer during res...

journal_title：American heart journal

authors： Ahnve S,Sullivan M,Myers J,Froelicher V

更新日期：1986-05-01 00:00:00

abstract：BACKGROUND:Cardiovascular (CV) disease is the leading cause of morbidity and mortality in patients with type 2 diabetes mellitus (T2DM). Furthermore, patients with T2DM and acute coronary syndrome (ACS) have a particularly high risk of CV events. The glucagon-like peptide 1 receptor agonist, lixisenatide, improves glyc...

journal_title：American heart journal

authors： Bentley-Lewis R,Aguilar D,Riddle MC,Claggett B,Diaz R,Dickstein K,Gerstein HC,Johnston P,Køber LV,Lawson F,Lewis EF,Maggioni AP,McMurray JJ,Ping L,Probstfield JL,Solomon SD,Tardif JC,Wu Y,Pfeffer MA,ELIXA Investigat

更新日期：2015-05-01 00:00:00

abstract：BACKGROUND:Patients with recurrent forms of atrial fibrillation may receive dual-chamber pacemakers after atrioventricular junction ablation for refractory symptoms. These patients are at risk for chronic atrial fibrillation, which would negate the benefits of dual-chamber pacing. The purpose of this study was to exami...

journal_title：American heart journal

authors： Wood MA,Curtis AB,Takle-Newhouse TA,Ellenbogen KA

更新日期：1999-04-01 00:00:00

abstract：:Antiarrhythmic drugs are often more effective in suppressing ventricular tachycardias than are background premature extrasystoles. The mechanism of action of these agents was examined by studies on the effects of lidocaine and quinidine on post-repolarization refractoriness of both basic and premature action potential...

journal_title：American heart journal

authors： Nakaya Y,Nii H,Nomura M,Fujino K,Mori H

更新日期：1989-11-01 00:00:00

abstract：:Our hypothesis was that the postoperative abnormalities in septal motion observed by M-mode echocardiography (MME) are due to changes of either ventricular shape or of total cardiac motion within the thorax. We obtained preoperative and early and late postoperative MME and two-dimensional echocardiograms on 25 patient...

journal_title：American heart journal

authors： Kerber RE,Litchfield R

更新日期：1982-08-01 00:00:00

abstract：:Radiofrequency-powered, thermal balloon angioplasty is a new technique that enhances luminal dilatation with less dissection than conventional angioplasty. The purpose of this study was to assess the effect of radiofrequency heating of balloon fluid on the pressure-volume mechanics of in vitro balloon angioplasty and ...

journal_title：American heart journal

authors： Mitchel JF,Fram DB,Aretz TA,Gillam LD,Woronick C,Waters DD,McKay RG

更新日期：1994-07-01 00:00:00

abstract：:Adenosine thallium stress testing has a demonstrated utility in the detection of coronary artery disease. The optimal dose for diagnostic efficacy with minimal side effects has not been critically evaluated. A randomized 3- and 6-minute infusion of adenosine (140 micrograms/kg/min) was performed in 11 subjects. Subjec...

journal_title：American heart journal

authors： Villegas BJ,Hendel RC,Dahlberg ST,McSherry BA,Leppo JA

更新日期：1993-07-01 00:00:00

abstract：BACKGROUND:The ACUTE Trial studied a transesophageal echocardiography (TEE)-guided strategy compared with a conventional strategy for management of patients with atrial fibrillation undergoing direct current cardioversion. The primary aim was to determine if patient functional capacity, measured by the Duke Activity St...

journal_title：American heart journal

authors： Jasper SE,Lieber EA,Murray RD,Apperson-Hansen C,Black IW,Grimm RA,Pape LA,Klein AL,ACUTE Investigators.

更新日期：2005-02-01 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：BACKGROUND:The outpatient prognostic assessment of coronary artery disease (CAD) by exercise electrocardiography has limitations, including the feasibility of the test and its low positive predictive value in several clinical conditions. In the current study we investigated the safety, feasibility, and prognostic value...

journal_title：American heart journal

authors： Cortigiani L,Picano E,Coletta C,Chiarella F,Mathias W,Gandolfo N,De Alcantara M,Mazzoni V,Gensini GF,Landi P,Echo Persantine International Cooperative (EPIC) Study Group.,Echo Dobutamine International Cooperative (EDIC) Study Group

更新日期：2001-04-01 00:00:00

abstract：BACKGROUND:Adenosine cardiac stress is widely used as an alternative to exercise testing during myocardial perfusion imaging (MPI). Dyspnea often accompanies the adenosine stress test. Although known asthmatic patients are excluded from this test because of the danger of bronchospasm, there is incomplete information re...

journal_title：American heart journal

authors： Balan KK,Critchley M

更新日期：2001-07-01 00:00:00

abstract：BACKGROUND:Some studies have reported that patients with mitral valve prolapse syndrome (MVPS) also have a disorder in the autonomic or neuroendocrine function, which can cause a host of related symptoms. A potential role of the renin-angiotensin system in the pathogenesis of MVPS has been addressed. However, the role ...

journal_title：American heart journal

authors： Chou HT,Chen YT,Shi YR,Tsai FJ

更新日期：2003-01-01 00:00:00

abstract：BACKGROUND:Recently, long (> or =20 mm) coronary stents were introduced for clinical use. They are intended as an alternative to multiple conventional stents to treat extensive dissections or suboptimal results of long lesions after balloon angioplasty. METHODS:In a total of 113 such consecutive vessels in 107 patient...

journal_title：American heart journal

authors： De Scheerder IK,Wang K,Kostopoulos K,Dens J,Desmet W,Piessens JH

更新日期：1998-08-01 00:00:00

abstract：:Recent developments have provided a unique opportunity for the organization of regional ST-elevation myocardial infarction (STEMI) receiving center (SRC) networks. Because cumulative evidence has demonstrated that rapid primary percutaneous coronary intervention (PCI) is the most effective reperfusion strategy for acu...

journal_title：American heart journal

authors： Rokos IC,Larson DM,Henry TD,Koenig WJ,Eckstein M,French WJ,Granger CB,Roe MT

更新日期：2006-10-01 00:00:00

abstract：:We studied 16 patients with chronic aortic insufficiency to compare a method for measuring regurgitant volume with color Doppler flow mapping to stroke count ratio determined by radionuclide ventriculography and to ventricular volumes assessed by two-dimensional echocardiography. A real-time color flow map of the left...

journal_title：American heart journal

authors： Bouchard A,Yock P,Schiller NB,Blumlein S,Botvinick EH,Greenberg B,Cheitlin M,Massie BM

更新日期：1989-05-01 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：:Atrial fibrillation is a common disease of the elderly, conferring considerable morbidity and mortality related to cardiovascular effects and thromboembolic risks. Anticoagulation, antiarrhythmic medications, and rate control are the cornerstone of contemporary management, whereas ablation and evolving surgical techni...

journal_title：American heart journal

authors： Hui DS,Morley JE,Mikolajczak PC,Lee R

更新日期：2015-04-01 00:00:00

abstract：:Infections related to cardiac surgery increase morbidity and mortality, and increase cost and use of health resources. With the widespread use of synthetic materials, whether in prosthetic valves or vascular conduits, bacterial infection and, more rarely, fungal complications can be devastating, requiring prolonged an...

journal_title：American heart journal

authors： Lowy FD,Waldhausen JA,Miller M,Sopko G,Rosenberg Y,Skarlatos SI,National Heart, Lung and Blood Institute-National Institute of Allergy and Infectious Diseases working group on antimicrobial strategies and cardiothoracic surgery.

更新日期：2004-04-01 00:00:00

abstract：:The hemodynamic, electrocardiographic, and metabolic responses of dogs with acute myocardial ischemia to intravenous administration of fructose-1,6-diphosphate (FDP) were assessed. Analysis of the results (compared to dextrose control) revealed evidence of major improvement of LVEDP and cardiac output, significant dec...

journal_title：American heart journal

authors： Markov AK,Oglethorpe NC,Blake TM,Lehan PH,Hellems HK

更新日期：1980-11-01 00:00:00

abstract：BACKGROUND:The use of vascular closure devices (VCDs) for the reduction of access site complications following percutaneous coronary intervention (PCI) remains controversial. Patients undergoing primary PCI for acute ST-segment elevation myocardial infarction (STEMI) are at high risk of femoral artery complications. A ...

journal_title：American heart journal

authors： Prada-Delgado Ó,Estévez-Loureiro R,Calviño-Santos R,Barge-Caballero E,Salgado-Fernández J,Piñón-Esteban P,Vázquez-Rodríguez JM,Aldama-López G,Flores-Ríos X,Soler-Martín MR,Vázquez-González N,Castro-Beiras A

更新日期：2011-06-01 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：BACKGROUND:Current acetylsalicylic acid (ASA) dosing algorithms for the prevention of secondary thrombotic events in acute coronary syndrome (ACS) patients are inconsistent and lack sufficient data support. METHODS:We performed a systematic review of the literature for studies that assessed clinical outcomes in patien...

journal_title：American heart journal

authors： Berger JS,Sallum RH,Katona B,Maya J,Ranganathan G,Xu Y,Mwamburi M

更新日期：2012-08-01 00:00:00

abstract：BACKGROUND:Optimal antithrombotic treatment after transcatheter aortic valve replacement (TAVR) is unknown and determined empirically. The direct factor Xa inhibitor rivaroxaban may potentially reduce TAVR-related thrombotic complications and premature valve failure. DESIGN:GALILEO is an international, randomized, ope...

journal_title：American heart journal

authors： Windecker S,Tijssen J,Giustino G,Guimarães AH,Mehran R,Valgimigli M,Vranckx P,Welsh RC,Baber U,van Es GA,Wildgoose P,Volkl AA,Zazula A,Thomitzek K,Hemmrich M,Dangas GD

更新日期：2017-02-01 00:00:00

abstract：BACKGROUND:The recovery of left ventricular function (LVF) after revascularization takes time. alpha-Adrenergic blockade acutely improves coronary blood flow and LVF, whereas the effects of more prolonged alpha-adrenergic blockade on LVF recovery after stenting are unknown. METHODS:In 32 patients (age 58 +/- 12 y) wit...

journal_title：American heart journal

authors： Kozàkovà M,Marco J,Heusch G,Bernies M,Bossi IM,Palombo C,Anguissola GB,Donatelli F,Laurent JP,Gregorini L

更新日期：2004-02-01 00:00:00

abstract：:Guidelines published in 2001 recommended 1 regional adult congenital heart disease (ACHD) center per 3 to 10 million population. Our objective was to determine if published guidelines on the numbers of regional ACHD centers are sufficient to meet the needs of adults with congenital heart disease in the general populat...

journal_title：American heart journal

authors： Marelli AJ,Therrien J,Mackie AS,Ionescu-Ittu R,Pilote L

更新日期：2009-01-01 00:00:00

abstract：BACKGROUND:Parasympathetic dysautonomia is an established feature of advanced Chagas cardiomyopathy. However, in the absence of cardiac involvement, the presence of vagal dysfunction remains controversial. In a cross-sectional study, we compared patients with Chagas disease without cardiac involvement and healthy indiv...

journal_title：American heart journal

authors： Ribeiro AL,Moraes RS,Ribeiro JP,Ferlin EL,Torres RM,Oliveira E,Rocha MO

更新日期：2001-02-01 00:00:00

abstract：:The aim of this study was to investigate whether platelet-activating factor (PAF), PAF receptors, and PAF receptor-mediated effects in the human myocardium play a role in cardiac depression during anaphylaxis or septic shock. The effects of PAF, the biologically inactive derivative lyso-PAF, and the specific PAF antag...

journal_title：American heart journal

authors： Schwinger RH,Böhm M,La Rosée K,Erdmann E

更新日期：1992-08-01 00:00:00

abstract：BACKGROUND:31-Phosphorus-magnetic resonance spectroscopy may provide pathophysiological insights into the high-energy phosphate metabolism of the myocardium as measured by phosphocreatine to adenosine triphosphate (PCr/ATP) ratio. Aim of the present study was to determine in vivo the relation between cardiac PCr/ATP ra...

journal_title：American heart journal

authors： Fragasso G,De Cobelli F,Spoladore R,Esposito A,Salerno A,Calori G,Montanaro C,Maranta F,Lattuada G,Margonato A,Del Maschio A,Perseghin G

更新日期：2011-07-01 00:00:00

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：:Two patients with isolated T wave alternans are reported, with their vectocardiograms, their response to carotid sinus stimulation, and the response to calcium infusion in one of them with documented severe hypocalcemia. Eleven cases of the literature are briefly reviewed. The alternans of the T wave appears with seve...

journal_title：American heart journal

authors： Navarro-Lopez F,Cinca J,Sanz G,Periz A,Magriña J,Betriu A

更新日期：1978-03-01 00:00:00