Perioperative beta-blocker withdrawal and mortality in vascular surgical patients.

abstract：BACKGROUND:Pacing leads with a small electrode surface for high-impedance stimulation have been shown to prolong pacemaker longevity, but no sufficient data is available on the safety and feasibility of a defibrillation lead with this novel design. METHODS:We evaluated the clinical performance of a tined, steroid-elut...

journal_title：American heart journal

authors： Vollmann D,Ahern T,Gerritse B,Canby RC,Zenker D,Binner L,Kimber SK,Unterberg C,Worldwide Medtronic Model 6944 Investigators.

更新日期：2003-12-01 00:00:00

abstract：:The presence of a large ventricular septal defect (VSD) may affect the surgical treatment of congenital heart defects. VSD size and shape by two-dimensional echocardiography (2DE) and at autopsy were compared in 18 patients, average age 6 months, who had 2DE studies shortly prior to death. Six had isolated VSD and the...

journal_title：American heart journal

authors： Sharif DS,Huhta JC,Marantz P,Hawkins HK,Yoon GY

更新日期：1989-06-01 00:00:00

abstract：:In vitro studies have established that intravascular ultrasound is a reliable technique for accurate assessment of vascular anatomic structure and disease conditions before and after intervention. In addition, quantitative data from intravascular ultrasound studies correspond well with histologic findings, which serve...

journal_title：American heart journal

authors： Gussenhoven EJ,van der Lugt A,van der Steen AF,Ligtvoet KM

更新日期：1996-09-01 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：: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：:The hemodynamic effects of intravenous and intracoronary prostacyclin (PGI2) were evaluated in anesthetized, open-chest instrumented dogs. Coronary artery and aortic blood flows, aortic and left ventricular (LV) diastolic pressure, and heart rate were measured continuously. With intravenous PGI2 both left anterior des...

journal_title：American heart journal

authors： Mehta J,Nichols WW,Mehta P,Pepine C,Conti CR

更新日期：1981-11-01 00:00:00

abstract：BACKGROUND:Vein graft failure is a crucial challenge in coronary artery bypass graft (CABG) surgery. Previous studies have suggested a patency benefit of the No-Touch vein harvesting technique, but only with small sample sizes. MATERIALS AND METHODS:This study is a prospective, multicenter randomized clinical trial wi...

journal_title：American heart journal

authors： Wang X,Tian M,Zheng Z,Gao H,Wang Y,Wang L,Hu S

更新日期：2019-04-01 00:00:00

abstract：BACKGROUND:The study rationale was to compare the biomarker profile of metalloproteinases (MMPs) and inflammation markers (IMs) in patients requiring revascularization with that of patients with long-term, clinically quiescent coronary artery disease (CAD). METHODS:Seventy-eight patients with symptomatic CAD (S-CAD) (...

journal_title：American heart journal

authors： Gurbel PA,Kreutz RP,Bliden KP,DiChiara J,Tantry US

更新日期：2008-01-01 00:00:00

abstract：BACKGROUND:Peculiar asynergy, which consists of hypokinesis or akinesis from the mid portion to the apical area and hyperkinesis of the basal area on contrast left ventriculogram, is rare. Because the end-systolic left ventriculogram looks like a "tako-tsubo," which was used for trapping octopuses in Japan, we proposed...

journal_title：American heart journal

authors： Kurisu S,Sato H,Kawagoe T,Ishihara M,Shimatani Y,Nishioka K,Kono Y,Umemura T,Nakamura S

更新日期：2002-03-01 00:00:00

abstract：BACKGROUND:This study was designed to determine if vertically transmitted HIV infection and maternal infection with HIV are associated with altered cardiovascular structure and function in utero. METHODS:Fetal echocardiography was performed in 173 fetuses of 169 HIV-infected mothers (mean gestational age, 33.0 weeks; ...

journal_title：American heart journal

authors： Hornberger LK,Lipshultz SE,Easley KA,Colan SD,Schwartz M,Kaplan S,Starc TJ,Ayres NA,Lai WW,Moodie DS,Kasten-Sportes C,Sanders SP

更新日期：2000-10-01 00:00:00

abstract：BACKGROUND:Despite some concern that recent aspirin ingestion increases blood loss after coronary artery surgery, there is some evidence that this may reduce thrombotic complications. In contrast, antifibrinolytic drugs can reduce blood loss in this setting, but there is concern that they may increase thrombotic compli...

journal_title：American heart journal

authors： Myles PS,Smith J,Knight J,Cooper DJ,Silbert B,McNeil J,Esmore DS,Buxton B,Krum H,Forbes A,Tonkin A,ATACAS Trial Group.

更新日期：2008-02-01 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：BACKGROUND:Technetium Tc 99m gated single photon emission computed tomography (SPECT) has become the cornerstone of noninvasive risk stratification in patients with ischemic heart disease, but its role in patients with heart failure is not as well established. STUDY DESIGN:This study is a substudy of the Heart Failure...

journal_title：American heart journal

authors： Bensimhon DR,Adams GL,Whellan DJ,Pagnanelli RA,Trimble M,Lee BA,Lee KL,Ellis SJ,Kraus WE,Rendall DS,Iskandrian AE,O'Connor CM,Borges-Neto S,HF-ACTION Trial Investigators.

更新日期：2007-07-01 00:00:00

abstract：BACKGROUND:Patients with atrial fibrillation (AF) are at increased risk for ischemic stroke. In patients who have suffered a stroke, screening for AF is routinely performed only for a short period after the stroke as part of the evaluation for possible causes. If AF is detected after an ischemic stroke, oral anticoagul...

journal_title：American heart journal

authors： Sinha AM,Diener HC,Morillo CA,Sanna T,Bernstein RA,Di Lazzaro V,Passman R,Beckers F,Brachmann J

更新日期：2010-07-01 00:00:00

abstract：:Previous studies have suggested that the contractility of isolated heart muscle removed from rabbits made hypercholesterolemic is decreased. As part of a study evaluating the effects of high-lipid diets on aortic atherosclerosis, we evaluated the contractility of perfused rabbit hearts. Six rabbits were placed on a hi...

journal_title：American heart journal

authors： Blumlein S,Sievers R,Wikman-Coffelt J,Parmley WW

更新日期：1983-12-01 00:00:00

abstract：:We developed a logistic regression model with data from the GUSTO-I trial to predict mortality rate differences in individual patients who received accelerated tissue plasminogen activator (TPA) versus streptokinase treatment for acute myocardial infarction. A nomogram was developed from a reduced version of this mode...

journal_title：American heart journal

authors： Califf RM,Woodlief LH,Harrell FE Jr,Lee KL,White HD,Guerci A,Barbash GI,Simes RJ,Weaver WD,Simoons ML,Topol EJ

更新日期：1997-06-01 00:00:00

abstract：:To evaluate regional differences in thickness and systolic function of human myocardium perfused by angiographically normal coronary arteries in valvular and ischemic heart disease, we performed intraoperative epicardial M-mode mapping of ventriculographically normal wall regions (perfused by normal coronary arteries)...

journal_title：American heart journal

authors： Douglas PS,Reichek N,Franklin K,Muhammad A,Sutton MG,Harken A

更新日期：1986-08-01 00:00:00

abstract：BACKGROUND:Anginal chest pain without creatine kinase (CK) elevation is frequently observed in the first hours after coronary stenting. Possible causes of ischemic episodes are microembolism, side branch occlusion, coronary vasospasm, and disturbances of microvascular circulation. In a prospective, double-blind, random...

journal_title：American heart journal

authors： Kurz DJ,Naegeli B,Bertel O

更新日期：2000-01-01 00:00:00

abstract：:To assess the relation between myocardial ischemia, ventricular arrhythmias (VA), and left ventricular (LV) dysfunction, we evaluated 74 patients with coronary artery disease (CAD) using radionuclide angiography (to determine the resting ejection fraction [EF]), resting thallium-201 scintigraphy (to ascertain the exte...

journal_title：American heart journal

authors： Edlin DE,Morganroth J,Iskandrian AS,Speilman SR,Horowitz LN,Kay H

更新日期：1985-02-01 00:00:00

abstract：:A multiprogrammable automatic antitachycardia pacemaker (Cybertach-60), connected to a tined "J" wire electrode, was positioned in the right atrial appendage in three patients with recurrent supraventricular tachycardia (SVT). Mechanisms of SVT included atrioventricular (AV) nodal reentry (two patients) and reciprocat...

journal_title：American heart journal

authors： Lerman BB,Waxman HL,Buxton AE,Sweeney M,Josephson ME

更新日期：1983-11-01 00:00:00

abstract：BACKGROUND:Many US studies have documented an association between operator volume and outcomes after percutaneous coronary intervention (PCI). No study has assessed whether this relationship exists in Canada, where PCI is performed only at a limited number of regional centers and operator volumes are higher. METHODS:A...

journal_title：American heart journal

authors： Cantor WJ,Hall R,Tu JV

更新日期：2006-04-01 00:00:00

abstract：BACKGROUND:Assessment of left ventricular (LV) thrombosis risk after acute myocardial infarction (AMI) is important because of potential embolic sequelae that are reduced by oral anticoagulant agents. The goal of this study was to investigate whether early assessment of LV systolic and diastolic performance with pulsed...

journal_title：American heart journal

authors： Yilmaz R,Celik S,Baykan M,Orem C,Kasap H,Durmus I,Erdol C

更新日期：2004-12-01 00:00:00

abstract：:Head-up tilt provokes vasodepressor syncope in patients with this disorder but may also cause fainting in unaffected subjects. The aims of this study were to examine autonomic function and sequential changes in heart rate variability and plasma catecholamines during graded head-up tilt in patients with vasodepressor s...

journal_title：American heart journal

authors： Prinz-Zaiss M,Yeap AN,Moguilevski V,Trigg L,McGrath BP

更新日期：1997-02-01 00:00:00

abstract：:The purpose of this study was to determine the normal pattern and magnitude of mitral annular velocities in diastole by Doppler tissue imaging (DTI) and to assess whether this is altered in patients with left ventricular hypertrophy. Mitral annulus velocities were measured by DTI. Peak and time-velocity integral were ...

journal_title：American heart journal

authors： Rodriguez L,Garcia M,Ares M,Griffin BP,Nakatani S,Thomas JD

更新日期：1996-05-01 00:00:00

abstract：BACKGROUND:Intramyocardial injection of autologous bone marrow (ABM) may induce angiogenesis. We tested the safety and feasibility of catheter-based direct percutaneous intramyocardial delivery of ABM in patients with refractory angina pectoris. METHODS:Ten patients (9 men, 67 +/- 8 years) with refractory angina (Cana...

journal_title：American heart journal

authors： Briguori C,Reimers B,Sarais C,Napodano M,Pascotto P,Azzarello G,Bregni M,Porcellini A,Vinante O,Zanco P,Peschle C,Condorelli G,Colombo A

更新日期：2006-03-01 00:00:00

abstract：BACKGROUND:Ideal cardiovascular health (ICH) aims at primordial prevention of cardiovascular diseases in the population. However, there is a lack of research describing ICH in youth from middle-income countries. The aims of this study were to describe the prevalence of ICH at 18 and 22-years old and to investigate the ...

journal_title：American heart journal

authors： Oliveira RS,Schneider BC,Callo-Quinte G,Oliveira IO,Gonçalves H,Wehrmeister F,Menezes AMB

更新日期：2021-01-25 00:00:00

abstract：BACKGROUND:The diagnosis of angina is challenging because it relies on symptom descriptions. Natural language processing (NLP) of the electronic medical record (EMR) can provide access to such information contained in free text that may not be fully captured by conventional diagnostic coding. OBJECTIVE:To test the hyp...

journal_title：American heart journal

authors： Pakhomov SS,Hemingway H,Weston SA,Jacobsen SJ,Rodeheffer R,Roger VL

更新日期：2007-04-01 00:00:00

abstract：BACKGROUND:Over the past decade, electronic health records (EHRs) have emerged as a potential tool to assess quality of care; however, the feasibility and accuracy of EHRs to assess adherence to lipid management performance measures have not been evaluated. METHODS:We created a retrospective cohort of 3779 patients wi...

journal_title：American heart journal

authors： Danford CP,Navar-Boggan AM,Stafford J,McCarver C,Peterson ED,Wang TY

更新日期：2013-10-01 00:00:00

abstract：:Pregnancy has been discouraged in patients with peripartum cardiomyopathy (PPCM) to avoid the risk of precipitating recurrent or progressive left ventricular dysfunction. We assessed left ventricular size and contractile function using echocardiography in four PPCM patients prior to pregnancy, during the third trimest...

journal_title：American heart journal

authors： Sutton MS,Cole P,Plappert M,Saltzman D,Goldhaber S

更新日期：1991-06-01 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