Effects of a novel platelet nitric oxide donor (LA816), aspirin, clopidogrel, and combined therapy in inhibiting flow- and lesion-dependent thrombosis in the porcine ex vivo model.

abstract：BACKGROUND:Ischemia reperfusion injury (IRI) predisposes to the formation of donor-specific antibodies, a factor contributing to chronic rejection and late allograft loss. METHODS:We describe a mechanism underlying the correlative association between IRI and donor-specific antibodies by using humanized models and pati...

journal_title：Circulation

authors： Liu L,Fang C,Fu W,Jiang B,Li G,Qin L,Rosenbluth J,Gong G,Xie CB,Yoo P,Tellides G,Pober JS,Jane-Wit D

更新日期：2020-02-11 00:00:00

abstract：:As the appreciation of structural heart disease in children and adults has increased and as catheter-based closure procedures are now being performed in clinical practice, cardiovascular physicians have multiple compelling new reasons to better understand cardiac anatomic and spatial relationships. Current 2-dimension...

journal_title：Circulation

authors： Kim MS,Hansgen AR,Wink O,Quaife RA,Carroll JD

更新日期：2008-05-06 00:00:00

abstract：:The purpose of the present study was to evaluate potential diurnal changes in resting coronary blood flow under conditions of comparable myocardial oxygen requirements. We studied 21 conscious, resting dogs instrumented for the measurement of coronary flow, left ventricular pressure, and regional myocardial segment le...

journal_title：Circulation

authors： Fujita M,Franklin D

更新日期：1987-08-01 00:00:00

abstract：BACKGROUND:The alpha1-adrenergic receptors (alpha1-ARs) play a key role in cardiovascular homeostasis. However, the functional role of alpha1-AR subtypes in vivo is still unclear. The aim of this study was to evaluate the cardiovascular influences of alpha1b-AR. METHODS AND RESULTS:In transgenic mice lacking alpha1-AR...

journal_title：Circulation

authors： Vecchione C,Fratta L,Rizzoni D,Notte A,Poulet R,Porteri E,Frati G,Guelfi D,Trimarco V,Mulvany MJ,Agabiti-Rosei E,Trimarco B,Cotecchia S,Lembo G

更新日期：2002-04-09 00:00:00

abstract：BACKGROUND:Endothelial vasodilator dysfunction and carotid intima-media thickening (IMT) are 2 indicators of subclinical cardiovascular disease. We examined their correlation and interaction with risk factors in a large, community-based cohort of young adults. METHODS AND RESULTS:As part of the longitudinal Cardiovasc...

journal_title：Circulation

authors： Juonala M,Viikari JS,Laitinen T,Marniemi J,Helenius H,Rönnemaa T,Raitakari OT

更新日期：2004-11-02 00:00:00

abstract：BACKGROUND:Functional mitral regurgitation (MR) is caused by systolic traction on the mitral leaflets related to ventricular distortion. Little is known about whether chronic tethering causes the mitral leaflet area to adapt to the geometric needs imposed by tethering, in part because of inability to reconstruct leafle...

journal_title：Circulation

authors： Chaput M,Handschumacher MD,Tournoux F,Hua L,Guerrero JL,Vlahakes GJ,Levine RA

更新日期：2008-08-19 00:00:00

abstract：BACKGROUND:Survivors of out-of-hospital cardiac arrest not associated with acute myocardial infarction are at high risk for recurrent cardiac arrest and sudden cardiac death. The impact of the implantable cardioverter-defibrillator on long-term prognosis in these patients is uncertain. METHODS AND RESULTS:Three hundre...

journal_title：Circulation

authors： Powell AC,Fuchs T,Finkelstein DM,Garan H,Cannom DS,McGovern BA,Kelly E,Vlahakes GJ,Torchiana DF,Ruskin JN

更新日期：1993-09-01 00:00:00

abstract：:It has been suggested that the rate of left ventricular (LV) relaxation is related to the inotropic state, end-systolic fiber length and peak LV pressure, but little information is available regarding the rate of LV relaxation in patients with coronary artery disease (CAD) and LV dysfunction. To assess the rate of LV ...

journal_title：Circulation

authors： Papapietro SE,Coghlan HC,Zissermann D,Russell RO Jr,Rackley CE,Rogers WJ

更新日期：1979-05-01 00:00:00

abstract：:For patients with stenotic native valves, the modified Bernoulli equation (delta P = 4V2) may be applied to Doppler-measured transvalvular velocities to yield an accurate estimate of transvalvular gradients. Although it would be useful if the same approach could be used for those with stenotic prosthetic valves, no pr...

journal_title：Circulation

authors： Wilkins GT,Gillam LD,Kritzer GL,Levine RA,Palacios IF,Weyman AE

更新日期：1986-10-01 00:00:00

abstract：BACKGROUND:Cardiac resynchronization therapy has emerged as an important therapy for advanced systolic heart failure. Among available cardiac resynchronization therapy pacing modes that restore ventricular synchrony, it is uncertain whether simultaneous biventricular (BiV), sequential BiV, or left ventricular (LV) paci...

journal_title：Circulation

authors： Rao RK,Kumar UN,Schafer J,Viloria E,De Lurgio D,Foster E

更新日期：2007-04-24 00:00:00

abstract：BACKGROUND:Second trimester routine ultrasound evaluation of the fetal heart by means of the four-chamber view has been proposed for prenatal detection of cardiac anomalies. The aim of this study was to evaluate the efficacy of this procedure. METHODS AND RESULTS:A prospective follow-up study on 6922 scanned fetuses w...

journal_title：Circulation

authors： Buskens E,Grobbee DE,Frohn-Mulder IM,Stewart PA,Juttmann RE,Wladimiroff JW,Hess J

更新日期：1996-07-01 00:00:00

abstract：BACKGROUND:Blood oxygenation level-dependent (BOLD) magnetic resonance imaging (MRI) has been used to measure T2* changes in skeletal muscle tissue of healthy volunteers. The BOLD effect is assumed to primarily reflect changes in blood oxygenation at the tissue level. We compared the calf muscle BOLD response of patien...

journal_title：Circulation

authors： Ledermann HP,Schulte AC,Heidecker HG,Aschwanden M,Jäger KA,Scheffler K,Steinbrich W,Bilecen D

更新日期：2006-06-27 00:00:00

abstract：BACKGROUND:Membrane contact sites are fundamental for transmission and translation of signals in multicellular organisms. The junctional membrane complexes in the cardiac dyads, where transverse (T) tubules are juxtaposed to the sarcoplasmic reticulum, are a prime example. T-tubule uncoupling and remodeling are well-kn...

journal_title：Circulation

authors： Liu C,Spinozzi S,Chen JY,Fang X,Feng W,Perkins G,Cattaneo P,Guimarães-Camboa N,Dalton ND,Peterson KL,Wu T,Ouyang K,Fu XD,Evans SM,Chen J

更新日期：2019-07-02 00:00:00

abstract：:Patients with DDD pacemakers who have intact retrograde conduction are known to be at risk of developing ventricular and "endless loop" tachycardia. To address this problem, a pacing protocol was designed in which V2A2 conduction was assessed in 16 patients during ventricular pacing alone (standard method) and during ...

journal_title：Circulation

authors： Mahmud R,Lehmann M,Denker S,Gilbert CJ,Akhtar M

更新日期：1983-07-01 00:00:00

abstract：BACKGROUND:The optimal strategy for treating coronary bifurcation lesions remains a subject of debate. With bare-metal stents, single-stent approaches appear to be superior to systematic 2-stent strategies. Drug-eluting stents, however, have low rates of restenosis and might offer improved outcomes with complex stentin...

journal_title：Circulation

authors： Hildick-Smith D,de Belder AJ,Cooter N,Curzen NP,Clayton TC,Oldroyd KG,Bennett L,Holmberg S,Cotton JM,Glennon PE,Thomas MR,Maccarthy PA,Baumbach A,Mulvihill NT,Henderson RA,Redwood SR,Starkey IR,Stables RH

更新日期：2010-03-16 00:00:00

abstract：BACKGROUND:Primum atrial septal defect (ASD) is a defect that is usually associated with few symptoms and can be electively repaired with good results. A review of our experience with primum ASD identified a subset of patients characterized by presentation with congestive heart failure (CHF) in the first months of life...

journal_title：Circulation

authors： Manning PB,Mayer JE Jr,Sanders SP,Coleman EA,Jonas RA,Keane JF,VanPraagh S,Castañeda AR

更新日期：1994-11-01 00:00:00

abstract：BACKGROUND:We studied the growth-promoting effects of 2 sodium pump-selective cardiotonic steroids, ouabain and marinobufagenin, on cultured cells from vascular smooth muscle (VSMCs) from human umbilical vein and a rat VSMC line, A7r5. METHODS AND RESULTS:Both ouabain and marinobufagenin activated proliferation of the...

journal_title：Circulation

authors： Abramowitz J,Dai C,Hirschi KK,Dmitrieva RI,Doris PA,Liu L,Allen JC

更新日期：2003-12-16 00:00:00

abstract：BACKGROUND:Metformin is first-line therapy for type 2 diabetes mellitus, although its effects on the cardiovascular system are unproved. METHODS:In this post hoc analysis, patients in SAVOR-TIMI 53 (Saxagliptin and Cardiovascular Outcomes in Patients With Type 2 Diabetes Mellitus) with baseline biomarker samples (n=12...

journal_title：Circulation

authors： Bergmark BA,Bhatt DL,McGuire DK,Cahn A,Mosenzon O,Steg PG,Im K,Kanevsky E,Gurmu Y,Raz I,Braunwald E,Scirica BM,SAVOR-TIMI 53 Steering Committee and Investigators.

更新日期：2019-09-17 00:00:00

abstract：BACKGROUND:Vascular inflammation and subsequent matrix degradation play an important role in the development of atherosclerosis. We previously reported that adiponectin, an adipose-specific plasma protein, accumulated to the injured artery and attenuated vascular inflammatory response. Clinically, high plasma adiponect...

journal_title：Circulation

authors： Kumada M,Kihara S,Ouchi N,Kobayashi H,Okamoto Y,Ohashi K,Maeda K,Nagaretani H,Kishida K,Maeda N,Nagasawa A,Funahashi T,Matsuzawa Y

更新日期：2004-05-04 00:00:00

abstract：BACKGROUND:Cardiac hypertrophy and subsequent heart failure triggered by chronic hypertension represent major challenges for cardiovascular research. Beyond neurohormonal and myocyte signaling pathways, growing evidence suggests inflammatory signaling pathways as therapeutically targetable contributors to this process....

journal_title：Circulation

authors： Heymans S,Corsten MF,Verhesen W,Carai P,van Leeuwen RE,Custers K,Peters T,Hazebroek M,Stöger L,Wijnands E,Janssen BJ,Creemers EE,Pinto YM,Grimm D,Schürmann N,Vigorito E,Thum T,Stassen F,Yin X,Mayr M,de Windt LJ,

更新日期：2013-09-24 00:00:00

abstract：BACKGROUND:Previous studies have reported an association between chronic Helicobacter pylori infection and ischemic heart disease. However, it is not clear whether this association is really due to the virulence of the bacterium or is merely the result of confounding factors (in particular, age and social class). METH...

journal_title：Circulation

authors： Pasceri V,Cammarota G,Patti G,Cuoco L,Gasbarrini A,Grillo RL,Fedeli G,Gasbarrini G,Maseri A

更新日期：1998-05-05 00:00:00

abstract：BACKGROUND:An inverse association between height and risk of coronary heart disease (CHD) has been reported in several case-control and cohort studies, but the reasons for the association remain uncertain. We evaluated this association among 22,071 male physicians, a population homogeneous for high educational attainme...

journal_title：Circulation

authors： Hebert PR,Rich-Edwards JW,Manson JE,Ridker PM,Cook NR,O'Connor GT,Buring JE,Hennekens CH

更新日期：1993-10-01 00:00:00

abstract：:The formula for survival in resuscitation describes educational efficiency and local implementation as key determinants in survival after cardiac arrest. Current educational offerings in the form of standardized online and face-to-face courses are falling short, with providers demonstrating a decay of skills over time...

journal_title：Circulation

authors： Cheng A,Nadkarni VM,Mancini MB,Hunt EA,Sinz EH,Merchant RM,Donoghue A,Duff JP,Eppich W,Auerbach M,Bigham BL,Blewer AL,Chan PS,Bhanji F,American Heart Association Education Science Investigators; and on behalf of the American

更新日期：2018-08-07 00:00:00

abstract：BACKGROUND:Nitric oxide (NO)-mediated local regulation of vascular tone is considered to involve endothelial NO synthase (eNOS). However, we recently reported that human forearm basal microvascular tone in vivo is tonically regulated by neuronal NO synthase (nNOS), in contrast to an acetylcholine-stimulated reduction i...

journal_title：Circulation

authors： Seddon M,Melikian N,Dworakowski R,Shabeeh H,Jiang B,Byrne J,Casadei B,Chowienczyk P,Shah AM

更新日期：2009-05-26 00:00:00

abstract：BACKGROUND:The risk of syncope occurring while driving has obvious implications for personal and public safety. We aimed to define the clinical characteristics, causes, and prognosis of syncope while driving. METHODS AND RESULTS:In this case-control study of consecutive patients evaluated for syncope from 1996 through...

journal_title：Circulation

authors： Sorajja D,Nesbitt GC,Hodge DO,Low PA,Hammill SC,Gersh BJ,Shen WK

更新日期：2009-09-15 00:00:00

abstract：BACKGROUND:Re-stenting of in-stent restenosis (ISR) improves acute angiographic results. Methods and Results- Volumetric intravascular ultrasound analysis was performed in 70 ISR lesions that received either placebo (n=36) or (192)Ir radiation (n=34). ISR lesions treated by re-stenting were divided into 3 groups: old s...

journal_title：Circulation

authors： Morino Y,Limpijankit T,Honda Y,Lansky AJ,Waksman R,Bonneau HN,Yock PG,Mintz GS,Fitzgerald PJ

更新日期：2002-05-28 00:00:00

abstract：BACKGROUND:Matrix metalloproteinases (MMPs) in inflamed atherosclerotic plaques may contribute to extracellular matrix remodeling and the onset of acute thrombotic complications. METHODS AND RESULTS:To test the hypothesis that optical molecular imaging with the use of an activatable near-infrared fluorescence (NIRF) p...

journal_title：Circulation

authors： Deguchi JO,Aikawa M,Tung CH,Aikawa E,Kim DE,Ntziachristos V,Weissleder R,Libby P

更新日期：2006-07-04 00:00:00

abstract：BACKGROUND:In patients with mitral regurgitation, surgical intervention produces immediate improvement in symptoms, but the long-term incidence and significance of postoperative congestive heart failure are unknown. METHODS AND RESULTS:The long-term outcome of 576 operative survivors of surgical correction of pure mit...

journal_title：Circulation

authors： Enriquez-Sarano M,Schaff HV,Orszulak TA,Bailey KR,Tajik AJ,Frye RL

更新日期：1995-11-01 00:00:00

abstract：BACKGROUND:It is still unclear what role the sinus node may play in the genesis or perpetuation of atrial fibrillation. Therefore, we studied the electrical activity in different regions of the sinus node during atrial fibrillation. METHODS AND RESULTS:In Langendorff-perfused rabbit hearts, paroxysms of atrial fibrill...

journal_title：Circulation

authors： Kirchhof CJ,Allessie MA

更新日期：1992-07-01 00:00:00

abstract：:Mapping of blood velocities across the lumen of the ascending aorta was performed in eight patients during open-heart surgery. A Doppler ultrasound probe was constructed to measure velocities in 2 mm steps from the maximum convexity to the maximum concavity of aorta, 6 to 7 cm above the aortic valve. In five patients ...

journal_title：Circulation

authors： Segadal L,Matre K

更新日期：1987-07-01 00:00:00