Aortic valvuloplasty for acquired aortic stenosis.

abstract：:BACKGROUND. The fenestrated Fontan operation has been applied to high-risk patients with univentricular hearts, resulting in improved survival. The purpose of this study was to determine the hemodynamic factors responsible for these improved results. METHODS AND RESULTS. We performed the fenestrated Fontan operation i...

journal_title：Circulation

authors： Mavroudis C,Zales VR,Backer CL,Muster AJ,Latson LA

更新日期：1992-11-01 00:00:00

abstract：:The outlook for patients with double-outlet right ventricle has improved since the development of corrective operations. Late arrhythmic deaths after successful procedures have been reported; however, the magnitude remains unknown. This study was undertaken to identify the magnitude of late sudden death and the signif...

journal_title：Circulation

authors： Shen WK,Holmes DR Jr,Porter CJ,McGoon DC,Ilstrup DM

更新日期：1990-01-01 00:00:00

abstract：BACKGROUND:Venous coronary artery bypass grafts (CABGs) are prone to accelerated atherosclerosis. In atherosclerotic diseases, serum C-reactive protein (CRP) levels have become an important diagnostic and prognostic marker. The origin of CRP in this setting remains to be elucidated. METHODS AND RESULTS:Monoclonal anti...

journal_title：Circulation

authors： Jabs WJ,Theissing E,Nitschke M,Bechtel JF,Duchrow M,Mohamed S,Jahrbeck B,Sievers HH,Steinhoff J,Bartels C

更新日期：2003-09-23 00:00:00

abstract：BACKGROUND:Stress cardiomyopathy (SCM) is a peculiar form of reversible left ventricular dysfunction seen predominantly in women and occurs in response to emotional or physical stress. Because dysfunction in SCM is reversible and that of acute myocardial infarction (MI) is not, we hypothesized that these fundamental me...

journal_title：Circulation

authors： Medeiros K,O'Connor MJ,Baicu CF,Fitzgibbons TP,Shaw P,Tighe DA,Zile MR,Aurigemma GP

更新日期：2014-04-22 00:00:00

abstract：BACKGROUND:Dispatcher-assisted cardiopulmonary resuscitation (CPR) instructions can increase bystander CPR and thereby increase the rate of survival from cardiac arrest. The risk of bystander CPR for patients not in arrest is uncertain and has implications for how assertive dispatch is in instructing CPR. We determined...

journal_title：Circulation

authors： White L,Rogers J,Bloomingdale M,Fahrenbruch C,Culley L,Subido C,Eisenberg M,Rea T

更新日期：2010-01-05 00:00:00

abstract：:The ability of 67Ga citrate and 99mTc pyrophosphate cardiac imaging to detect myocarditis was assessed in an experimental rabbit model. Twenty-three rabbits were imaged approximately 72 hours after infusion of i.v. norepinephrine. Diffuse cardiac uptake was found in 13 of 15 rabbits scanned with 67Ga. Tissue distribut...

journal_title：Circulation

authors： Reeves WC,Jackson GL,Flickinger FW,Kwee HG,Schwiter EJ,Werner J,Whitesell L,Biddle MA,Copenhaver G,Shaikh BS,Zelis R

更新日期：1981-03-01 00:00:00

abstract：:Fifty-six patients undergoing orthotopic cardiac transplantation were given Minnesota ALG prophylactically or therapeutically for acute cardiac rejection. During a follow-up period of 0-28 months (mean follow-up period, 11.9 months), the actuarial survival for the entire group was 96% and 86% at 30 days and 1 year, re...

journal_title：Circulation

authors： Keith FM,Magilligan DJ Jr,Lakier JB,Drost CJ

更新日期：1988-11-01 00:00:00

abstract：BACKGROUND:Percutaneous transluminal coronary angioplasty (PTCA) of the infarct-related artery was performed within 42 days of recombinant tissue-type plasminogen activator (rt-PA) administration in 1,414 of the 3,534 patients who participated in the Thrombolysis In Myocardial Infarction (TIMI) II study. Primary angiog...

journal_title：Circulation

authors： Baim DS,Diver DJ,Feit F,Greenberg MA,Holmes DR,Weiner BH,Williams DO,Schweiger MJ,Brown BG,Frederick MM

更新日期：1992-01-01 00:00:00

abstract：:Characteristics of blood-flow velocities were investigated at different sites in two types of coronary artery bypass grafts, sequential saphenous vein grafts (SSVG) and internal mammary artery grafts (IMAG). The latter appear to have the longest life span. The patency rate of the side-to-side anastomosis of the SSVG i...

journal_title：Circulation

authors： Fujiwara T,Kajiya F,Kanazawa S,Matsuoka S,Wada Y,Hiramatsu O,Kagiyama M,Ogasawara Y,Tsujioka K,Katsumura T

更新日期：1988-11-01 00:00:00

abstract：BACKGROUND:Patients with treated diabetes in the randomized-trial segment of the Bypass Angioplasty Revascularization Investigation (BARI) who were randomized to initial revascularization with PTCA had significantly worse 5-year survival than patients assigned to CABG. This treatment difference was not seen among diabe...

journal_title：Circulation

authors： Detre KM,Guo P,Holubkov R,Califf RM,Sopko G,Bach R,Brooks MM,Bourassa MG,Shemin RJ,Rosen AD,Krone RJ,Frye RL,Feit F

更新日期：1999-02-09 00:00:00

abstract：:Blood pressure and heart rate of 15 male shift workers were measured every 15 minutes for 24 hours during three work shifts: morning, 4:00 AM to noon; afternoon, noon to 8:00 PM; and night, 8:00 PM to 4:00 AM. For each shift, 24-hour systolic and diastolic blood pressure showed a large "trough" (the low pressure span)...

journal_title：Circulation

authors： Chau NP,Mallion JM,de Gaudemaris R,Ruche E,Siche JP,Pelen O,Mathern G

更新日期：1989-08-01 00:00:00

abstract：BACKGROUND:AMP-activated protein kinase (AMPK) is a stress-activated protein kinase that works as a metabolic sensor of cellular ATP levels. Here, we investigated whether AMPK signaling has a role in the regulation of the angiotensin II (Ang II)-induced proliferation signal in rat vascular smooth muscle cells (VSMCs). ...

journal_title：Circulation

authors： Nagata D,Takeda R,Sata M,Satonaka H,Suzuki E,Nagano T,Hirata Y

更新日期：2004-07-27 00:00:00

abstract：BACKGROUND:There has been increasing interest in the development of agents that utilize endogenous adenosine to exert their actions. We tested the hypothesis that substances that either potentiate the activity (allosteric enhancers) or increase the interstitial concentration (inhibitors of metabolism) of endogenous ade...

journal_title：Circulation

authors： Dennis DM,Raatikainen MJ,Martens JR,Belardinelli L

更新日期：1996-11-15 00:00:00

abstract：BACKGROUND:Atrial fibrillation (AF) after cardiac surgery is associated with increased risk of complications, length of stay, and cost of care. Observational evidence suggests that patients who have undergone previous statin therapy have a lower incidence of postoperative AF. We tested this observation in a randomized,...

journal_title：Circulation

authors： Patti G,Chello M,Candura D,Pasceri V,D'Ambrosio A,Covino E,Di Sciascio G

更新日期：2006-10-03 00:00:00

abstract：BACKGROUND:Isomerism is associated with a complex spectrum of anomalies. There is paucity of data on prenatally detected cases. METHODS AND RESULTS:Between January 1990 and February 2004, 83 of 166 cases (50%) had a prenatal diagnosis of left isomerism (LAI; 52 of 97) or right isomerism (RAI; 31 of 69) at our institut...

journal_title：Circulation

authors： Lim JS,McCrindle BW,Smallhorn JF,Golding F,Caldarone CA,Taketazu M,Jaeggi ET

更新日期：2005-10-18 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:Temporal trends regarding the epidemiology of atherosclerotic renovascular disease (ARVD) in dialysis populations are poorly defined. METHODS AND RESULTS:United States Renal Data System data were used to identify patients aged 67 years or older at dialysis inception between 1996 and 2001 (n=146,973). Medica...

journal_title：Circulation

authors： Guo H,Kalra PA,Gilbertson DT,Liu J,Chen SC,Collins AJ,Foley RN

更新日期：2007-01-02 00:00:00

abstract：BACKGROUND:Proprotein convertase subtilisin kexin type 9 (PCSK9) promotes the degradation of the low-density lipoprotein (LDL) receptor (LDLR), and its deficiency in humans results in low plasma LDL cholesterol and protection against coronary heart disease. Recent evidence indicates that PCSK9 also modulates the metabo...

journal_title：Circulation

authors： Rashid S,Tavori H,Brown PE,Linton MF,He J,Giunzioni I,Fazio S

更新日期：2014-07-29 00:00:00

abstract：BACKGROUND:A completed Fontan circulation is the goal in the management of patients with single-ventricle physiology. To achieve this end, a two-stage rather than a single-stage approach is carried out routinely at many centers. Some groups have advocated baffle fenestration for virtually all patients to minimize post-...

journal_title：Circulation

authors： Hsu DT,Quaegebeur JM,Ing FF,Selber EJ,Lamour JM,Gersony WM

更新日期：1997-11-04 00:00:00

abstract：BACKGROUND:Development of left ventricular hypertrophy in aortic stenosis (AS) is accompanied by coronary microcirculatory dysfunction, demonstrated by an impaired coronary vasodilator reserve (CVR). However, evidence for regional abnormalities in myocardial blood flow (MBF) and the potential mechanisms is limited. The...

journal_title：Circulation

authors： Rajappan K,Rimoldi OE,Dutka DP,Ariff B,Pennell DJ,Sheridan DJ,Camici PG

更新日期：2002-01-29 00:00:00

abstract：BACKGROUND:Adenosine possesses marked cardioprotective properties, but the mechanisms for this beneficial effect are unclear. The objective of this study was to determine the effect of adenosine given before ischemia or at reperfusion on mechanical function, glucose oxidation, glycolysis, and metabolite levels in isola...

journal_title：Circulation

authors： Finegan BA,Lopaschuk GD,Coulson CS,Clanachan AS

更新日期：1993-03-01 00:00:00

abstract：BACKGROUND:The contractile dysfunction observed in end-stage myocardial hypertrophy has at its base an abnormality in myocyte function. However, whether depressed contractile function is related to an alteration in contractile protein function is presently unknown. METHODS AND RESULTS:Contractile force, tension, and c...

journal_title：Circulation

authors： Fan D,Wannenburg T,de Tombe PP

更新日期：1997-05-06 00:00:00

abstract：BACKGROUND:Visceral adiposity is generally considered to play a key role in the metabolic syndrome, including hypertension. The purpose of this study was to evaluate cross-sectionally whether visceral adiposity is associated with prevalence of hypertension independent of other adipose depots and fasting plasma insulin....

journal_title：Circulation

authors： Hayashi T,Boyko EJ,Leonetti DL,McNeely MJ,Newell-Morris L,Kahn SE,Fujimoto WY

更新日期：2003-10-07 00:00:00

abstract：:Diabetes mellitus increases the risk of heart failure independently of underlying coronary artery disease, and many believe that diabetes leads to cardiomyopathy. The underlying pathogenesis is partially understood. Several factors may contribute to the development of cardiac dysfunction in the absence of coronary art...

journal_title：Circulation

authors： Boudina S,Abel ED

更新日期：2007-06-26 00:00:00

abstract：BACKGROUND:Whether reperfusion can cause necrosis of previously viable myocytes (lethal reperfusion injury) remains controversial. Numerous studies examined the ability of various agents to prevent or limit reperfusion injury, but the results were contradictory. In a single-canine-heart model of ischemia-reperfusion, w...

journal_title：Circulation

authors： Zahger D,Yano J,Chaux A,Fishbein MC,Ganz W

更新日期：1995-06-15 00:00:00

abstract：BACKGROUND:We tested the hypothesis that nuclear factor-kappaB (NF-kappaB) activity contributes to vascular endothelial dysfunction with aging and obesity in humans. METHODS AND RESULTS:We conducted a randomized, double-blind, placebo-controlled crossover study in 14 nondiabetic overweight or obese (body mass index > ...

journal_title：Circulation

authors： Pierce GL,Lesniewski LA,Lawson BR,Beske SD,Seals DR

更新日期：2009-03-10 00:00:00

abstract：:To examine the effects of propranolol and nifedipine on exercise-induced attack in patients with variant angina, exercise 201Tl myocardial scintigraphy with quantitative analysis by emission-computed tomography was performed in 20 patients with variant angina after oral propranolol (80 mg), nifedipine (20 mg), and pla...

journal_title：Circulation

authors： Kugiyama K,Yasue H,Horio Y,Morikami Y,Fujii H,Koga Y,Kojima A,Takahashi M

更新日期：1986-08-01 00:00:00

abstract：BACKGROUND:Fibrinogen binding to the active conformation of the alpha(IIb)beta(3) integrin receptor (glycoprotein IIb/IIIa) and cytoskeletal reorganization are important events in platelet function. Tyrosine phosphorylation of platelet proteins plays an essential role in platelet signal transduction pathways. We studie...

journal_title：Circulation

authors： Santos MT,Moscardó A,Vallés J,Martínez M,Piñón M,Aznar J,Broekman MJ,Marcus AJ

更新日期：2000-10-17 00:00:00

abstract：:While the steady-state effects of positive pleural pressure on the circulation have been extensively studied, less is known about the immediate effects of positive intrathoracic pressure on cardiac dynamics. Therefore, we performed electrocardiographically gated radionuclide ventriculography with a respiratory gating ...

journal_title：Circulation

authors： Natarajan TK,Wise RA,Karam M,Permutt S,Wagner HN Jr

更新日期：1987-01-01 00:00:00

abstract：BACKGROUND:To identify patients at risk for postoperative myocardial injury and death, measuring cardiac troponin routinely after noncardiac surgery has been suggested. Such monitoring was implemented in our hospital. The aim of this study was to determine the predictive value of postoperative myocardial injury, as mea...

journal_title：Circulation

authors： van Waes JA,Nathoe HM,de Graaff JC,Kemperman H,de Borst GJ,Peelen LM,van Klei WA,Cardiac Health After Surgery (CHASE) Investigators.

更新日期：2013-06-11 00:00:00