Left ventricular cineangiography in Chagas' disease: detection of early myocardial damage.

abstract：:Intracoronary streptokinase (SK) is being used to treat acute myocardial infarction. Complications including atrioventricular (AV) block and both supraventricular and ventricular arrhythmias have been described. Selective cannulation of the nutrient arteries of the sinus node and AV node in the pentobarbital-anestheti...

journal_title：American heart journal

authors： Epstein AE,Urthaler F,James TN

更新日期：1984-05-01 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：INTRODUCTION:Heart Failure (HF) is a common cause of hospitalization in older adults. The transition from hospital to home is high-risk, and gaps in transitional care can increase the risk of re-hospitalization and death. Combining health care services supported by meta-analyses, we designed the PACT-HF transitional ca...

journal_title：American heart journal

authors： Van Spall HGC,Lee SF,Xie F,Ko DT,Thabane L,Ibrahim Q,Mitoff PR,Heffernan M,Maingi M,Tjandrawidjaja MC,Zia MI,Panju M,Perez R,Simek KD,Porepa L,Graham ID,Haynes RB,Haughton D,Connolly SJ

更新日期：2018-05-01 00:00:00

abstract：:Although the Doppler mitral flow velocity pattern changes in accordance with the degree of left ventricular diastolic dysfunction, it is "normalized" in the presence of heart failure. In this study the pulmonary venous flow velocity pattern was characterized in 43 hypertensive patients with and without heart failure t...

journal_title：American heart journal

authors： Masuyama T,Lee JM,Yamamoto K,Tanouchi J,Hori M,Kamada T

更新日期：1992-10-01 00:00:00

abstract：BACKGROUND:Coronary calcium detected noninvasively is an attractive way to diagnose atherosclerosis before the development of symptoms. This study examines the prognostic value of coronary calcium in asymptomatic subjects with usual cardiovascular risk. METHODS AND RESULTS:In 425 asymptomatic subjects, 229 men (aged 4...

journal_title：American heart journal

authors： Alexopoulos D,Toulgaridis T,Davlouros P,Christodoulou J,Sitafidis G,Hahalis G,Vagenakis AG

更新日期：2003-03-01 00:00:00

abstract：:Angioscopy has been shown to provide more detailed information on lesion morphology before and after interventional procedures than angiography. Therefore to evaluate the effects of laser angioplasty, angioscopy was performed in five patients with peripheral or coronary vascular disease who underwent excimer laser ang...

journal_title：American heart journal

authors： Nakamura F,Kvasnicka J,Uchida Y,Geschwind HJ

更新日期：1992-12-01 00:00:00

abstract：:This study compares the effectiveness of teaching the calculation of frontal plane QRS axis with the use of the classical versus the orderly electrocardiographic limb lead display. Eighty-three students from two environments were randomized into two groups and were taught to determine frontal plane axis with one of th...

journal_title：American heart journal

authors： Pahlm US,O'Brien JE,Pettersson J,Pahlm O,White T,Maynard C,Wagner GS

更新日期：1997-12-01 00:00:00

abstract：OBJECTIVE:The study aimed to determine the impact on eptifibatide-associated bleeding by implementing a computerized dosing algorithm in the cardiac catheterization suite. BACKGROUND:Excessive dosing of eptifibatide is associated with increased bleeding rates and hospital mortality. Although dosing adjustments based o...

journal_title：American heart journal

authors： Putney DR,Kleiman NS,Fromm RE Jr,Buergler JM

更新日期：2009-12-01 00:00:00

abstract：BACKGROUND:Female sex independently predicts bleeding risk after percutaneous coronary intervention (PCI). Bivalirudin is safer than abciximab plus heparin in patients with non-ST-segment elevation myocardial infarction (NSTEMI). Thus, a greater benefit of bivalirudin in women would be expected. METHODS:We performed a...

journal_title：American heart journal

authors： Mehilli J,Neumann FJ,Ndrepepa G,King L,Schulz S,Maimer Rodrigues da Cunha F,Jochheim D,Byrne RA,Hausleiter J,Ott I,Massberg S,Kastrati A,Pache J

更新日期：2013-04-01 00:00:00

abstract：BACKGROUND:Despite advances in treatment of cardiogenic shock (CS), the incidence of this serious complication of acute ST-elevation myocardial infarction (STEMI) has stayed relatively constant, and rates of mortality, although somewhat improved in recent decades, remain dauntingly high. Although both percutaneous coro...

journal_title：American heart journal

authors： Mehta RH,Lopes RD,Ballotta A,Frigiola A,Sketch MH Jr,Bossone E,Bates ER

更新日期：2010-01-01 00:00:00

abstract：:The proximal flow convergence method of multiplying color Doppler aliasing velocity by flow convergence surface area has yielded a new means of quantifying flow rate by noninvasively derived measurements. Unlike previous methods of visualizing the turbulent jet of mitral regurgitation on color flow Doppler mapping, fl...

journal_title：American heart journal

authors： Zhang J,Jones M,Shandas R,Valdes-Cruz LM,Murillo A,Yamada I,Kang SU,Weintraub RG,Shiota T,Sahn DJ

更新日期：1993-02-01 00:00:00

abstract：:To evaluate the therapeutic efficacy of oral angiotensin-converting inhibition (ACE) with captopril in chronic normotensive congestive heart failure (CHF), acute and cardiocirculatory actions were determined by cardiac catheterization and forearm plethysmography, and ambulatory effects were assessed by echocardiograph...

journal_title：American heart journal

authors： Awan NA,Evenson MK,Needham KE,Win A,Mason DT

更新日期：1981-01-01 00:00:00

abstract：OBJECTIVE:The aim of this study is to examine ethnic differences in depressive symptoms and antidepressant treatment in a cohort of patients undergoing diagnostic coronary angiography. BACKGROUND:Coronary heart disease (CHD) is the leading cause of mortality in the United States, with an excess of mortality in African...

journal_title：American heart journal

authors： Waldman SV,Blumenthal JA,Babyak MA,Sherwood A,Sketch M,Davidson J,Watkins LL

更新日期：2009-01-01 00:00:00

abstract：:Incidence of myonecrosis in patients undergoing rotational atherectomy was evaluated by preprocedural statin use. The incidence of any myonecrosis (24.1% vs 52.3%, P < .001) or significant myonecrosis (7.5% vs 21.8%, P < .001) was significantly lower among patients pretreated with statins. This difference remained sig...

journal_title：American heart journal

authors： Gurm HS,Breitbart Y,Vivekanathan D,Yen MH,Fathi R,Ziada KM,Whitlow PL,Ellis SG

更新日期：2006-05-01 00:00:00

abstract：:The acute effects of diltiazem on coronary reactive hyperemia were studied in 12 patients with flow-limiting coronary stenosis. Reactive hyperemia was elicited by injection of 8 ml contrast medium into the left coronary artery, while coronary sinus blood flow and left ventricular and aortic pressures were continuously...

journal_title：American heart journal

authors： Foult JM,Nitenberg A,Blanchet F,Zouiouèche S

更新日期：1986-12-01 00:00:00

abstract：:Heart failure is associated with a hypercoagulable state. A single-center, randomized, double-blind, placebo-controlled trial was performed to test the hypothesis that warfarin will modify a hypercoagulable state in heart failure. This study included 76 patients with heart failure. At baseline, patients had evidence f...

journal_title：American heart journal

authors： Jafri SM,Mammen EF,Masura J,Goldstein S

更新日期：1997-07-01 00:00:00

abstract：:This study uses echocardiography to characterize the pattern of left ventricular hypertrophy in a new hypertensive heart failure-prone rat strain designated SHHF/Mcc-cp (SHHF). M-mode echocardiograms of the left ventricle in nine 10- to 12-month old SHHF rats and nine age-matched spontaneously hypertensive rats (SHR) ...

journal_title：American heart journal

authors： Haas GJ,McCune SA,Brown DM,Cody RJ

更新日期：1995-10-01 00:00:00

abstract：:Three patients with subpulmonic ventricular septal defect and pulmonary valve fluttering by echocardiography are presented. The echographic changes appear identical to that reported with infundibular pulmonic stenosis and the mechanism causing this fluttering is probably similar. ...

journal_title：American heart journal

authors： Glasser SP,Baucum RW Jr

更新日期：1977-07-01 00:00:00

abstract：:We attempted to determine whether exercise-induced silent myocardial ischemia has different clinical implications in patients with and without pathologic Q waves. We studied 152 patients (121 men and 31 women) who had ischemic ST depression (greater than or equal to 0.05 mV) during exercise tests and greater than or e...

journal_title：American heart journal

authors： Ozawa T,Ikeda K,Yamaki M,Kubota I,Tsuiki K,Yasui S

更新日期：1990-09-01 00:00:00

abstract：BACKGROUND:Traditional risk factors predict the 10-year risk of developing coronary heart disease (CHD). Underlying risk factors like physical inactivity, obesity (BMI >30 kg/m2), and family history of premature CHD are independently associated with CHD. High burden of coronary artery calcification (CAC) on electron be...

journal_title：American heart journal

authors： Desai MY,Nasir K,Braunstein JB,Rumberger JA,Post WS,Budoff MJ,Blumenthal RS

更新日期：2004-11-01 00:00:00

abstract：:The extent and time course of recovery of left ventricular function were investigated in 29 patients with no previous symptoms who had acute nonischemic congestive cardiomyopathy and left ventricular ejection fraction of 0.22 +/- 0.07. Improvement in left ventricular ejection fraction by at least 0.05 was observed in ...

journal_title：American heart journal

authors： Cross AM Jr,Steenbergen C,Higginbotham MB

更新日期：1995-01-01 00:00:00

abstract：:Tolerance to prolonged nitroglycerin (NTG) may be due to drug-induced intravascular expansion. To test the hypothesis that concomitant diuretics may reduce volume expansions and thus prevent NTG tolerance, we studied 23 healthy volunteers randomized to hydrochlorthiazide or placebo before and during 74-hour continuous...

journal_title：American heart journal

authors： Mohanty N,Wasserman AG,Walker P,Katz RJ

更新日期：1995-09-01 00:00:00

abstract：:Myocardial reperfusion is associated with increased influx of activated neutrophils and intracellular accumulation of sodium in the ischemic zone. Lidocaine is a sodium channel blocker that also inhibits several neutrophil functions. We investigated the effect of lidocaine on infarct size in rabbits undergoing 30 minu...

journal_title：American heart journal

authors： Vitola JV,Forman MB,Holsinger JP,Atkinson JB,Murray JJ

更新日期：1997-03-01 00:00:00

abstract：:We evaluated the long-term angiographic outcome of balloon angioplasty by comparing original and follow-up target coronary narrowing. Rather than using restenosis to determine outcome, as in most angioplasty studies, we took an unusual approach and analyzed outcome in terms that are commonly used in progression and re...

journal_title：American heart journal

authors： Rozenman Y,Gilon D,Sapoznikov D,Lotan C,Mosseri M,Hasin Y,Gotsman MS

更新日期：1997-05-01 00:00:00

abstract：:Antiplatelet therapy has been shown to significantly reduce the risk of serious vascular events in high-risk patients, including those with a prior acute ischemic event. The long-term use of antiplatelet agents is a key component of secondary prevention measures following acute coronary syndromes, including ST-segment...

journal_title：American heart journal

authors： Valgimigli M,Minarelli M

更新日期：2010-12-01 00:00:00

abstract：BACKGROUND:Relationships between long-term use and level of dual antiplatelet therapy and outcomes after drug-eluting stent implantation are not well established. METHODS:This is a retrospective cohort study of 9,256 patients receiving drug-eluting stents between January 2003 and August 2006. We classified patients ac...

journal_title：American heart journal

authors： Petersen JL,Barron JJ,Hammill BG,Cziraky MJ,Anstrom KJ,Wahl PM,Eisenstein EL,Krucoff MW,Califf RM,Schulman KA,Curtis LH

更新日期：2010-03-01 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：:Hypertensive cardiovascular risk may be related primarily to vascular overload, the sum of three vascular abnormalities: increased arteriolar resistance, increased large-artery stiffness, and the effect of increased early pulse-wave reflection. A method for quantifying vascular overload as an index can be derived from...

journal_title：American heart journal

authors： Franklin SS,Weber MA

更新日期：1994-10-01 00:00:00

abstract：BACKGROUND:Recent work has demonstrated a link between retinopathy, a marker of microvascular disease, and the development of heart failure, a finding particularly relevant in individuals with diabetes. Our objective was to assess the relationship between retinopathy and cardiac structure and function in a cohort of in...

journal_title：American heart journal

authors： Aguilar D,Hallman DM,Piller LB,Klein BE,Klein R,Devereux RB,Arnett DK,Gonzalez VH,Hanis CL

更新日期：2009-03-01 00:00:00

abstract：BACKGROUND:Under the hypothesis that the G-308A polymorphism in the promoter region of the tumor necrosis factor alpha gene might increase tumor necrosis factor alpha expression, several investigations have been performed to examine the influence of the -308A allele on the risk of cardiovascular events. The results of ...

journal_title：American heart journal

authors： Pereira TV,Rudnicki M,Franco RF,Pereira AC,Krieger JE

更新日期：2007-05-01 00:00:00