Coronary collateral function in patients without occlusive coronary artery disease.

abstract：:A transient form of hypertrophic cardiomyopathy has been previously described in infants of diabetic mothers (IDMs). The purpose of this study was to determine the incidence, natural history and pathologic features of this cardiomyopathy in symptomatic and asymptomatic IDMs. We studied 47 IDMs for evidence of cardiomy...

journal_title：Circulation

authors： Gutgesell HP,Speer ME,Rosenberg HS

更新日期：1980-02-01 00:00:00

abstract：BACKGROUND:Endurance athletes have higher high density lipoprotein (HDL) concentrations than sedentary controls. To examine the mechanism for this effect, we compared HDL apoprotein metabolism in 10 endurance athletes aged 34 +/- 6 years (mean +/- SD) and 10 sedentary men aged 36 +/- 8 years. METHODS AND RESULTS:Subje...

journal_title：Circulation

authors： Thompson PD,Cullinane EM,Sady SP,Flynn MM,Chenevert CB,Herbert PN

更新日期：1991-07-01 00:00:00

abstract：BACKGROUND:Single premature beats were introduced in the reentrant circuit during stable atrial flutter in the canine sterile pericarditis model to test the hypotheses that (1) despite the fact that the reentrant circuit is functionally determined, there is a fully excitable gap; (2) the excitable gap in the reentrant ...

journal_title：Circulation

authors： Niwano S,Ortiz J,Abe H,Gonzalez X,Rudy Y,Waldo AL

更新日期：1994-10-01 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：:Diagnosis of rejection after cardiac transplantation is currently made by right ventricular endomyocardial biopsy. To evaluate antimyosin imaging as a noninvasive means of detecting human cardiac rejection, the Fab fragment of murine monoclonal antimyosin antibodies was labeled with indium-111 and given intravenously ...

journal_title：Circulation

authors： Frist W,Yasuda T,Segall G,Khaw BA,Strauss HW,Gold H,Stinson E,Oyer P,Baldwin J,Billingham M

更新日期：1987-11-01 00:00:00

abstract：:In 69 patients undergoing coronary artery bypass grafting for complete coronary revascularization, blood flow was measured in 140 grafts with 243 distal anastomoses (3.52 bypasses/patient). Total blood flow in single grafts and double and triple sequential grafts did not differ significantly, although mean distal flow...

journal_title：Circulation

authors： McNamara JJ,Bjerke HS,Chung GK,Dang CR

更新日期：1979-08-01 00:00:00

abstract：:Twenty-one patients with documented coronary atherosclerotic heart disease were studied to determine the effect of high dose oral isosorbide dinitrate (ISDN) on heart rate, blood pressure, and exercise time until angina pectoris. Patients were tested in two phases, initially with 0.4 mg of sublingual nitroglycerin and...

journal_title：Circulation

authors： Danahy DT,Burwell DT,Aronow WS,Prakash R

更新日期：1977-02-01 00:00:00

abstract：BACKGROUND:Current American and European guidelines emphasize the importance of rate-control treatments in treating atrial fibrillation with a Class I recommendation, although data on the survival benefits of rate control are lacking. The goal of the present study was to investigate whether patients receiving rate-cont...

journal_title：Circulation

authors： Chao TF,Liu CJ,Tuan TC,Chen SJ,Wang KL,Lin YJ,Chang SL,Lo LW,Hu YF,Chen TJ,Chiang CE,Chen SA

更新日期：2015-10-27 00:00:00

abstract：BACKGROUND:Mildly oxidized LDL (moxLDL) is thought to play a role in atherogenesis. MoxLDL induces derivatization of cell proteins and triggers a variety of intracellular signaling. We aimed to investigate whether moxLDL-induced protein derivatization may influence the activity of platelet-derived growth factor recepto...

journal_title：Circulation

authors： Escargueil-Blanc I,Salvayre R,Vacaresse N,Jürgens G,Darblade B,Arnal JF,Parthasarathy S,Nègre-Salvayre A

更新日期：2001-10-09 00:00:00

abstract：:To evaluate the potential advantages of thallium-201 (201T1) single-photon emission computerized tomography (SPECT) to assess myocardial infarct size in the experimental animal, six normal dogs and 14 dogs with 6 to 8 hr closed-chest coronary occlusion (eight left anterior descending and six left circumflex) were stud...

journal_title：Circulation

authors： Prigent F,Maddahi J,Garcia EV,Satoh Y,Van Train K,Berman DS

更新日期：1986-10-01 00:00:00

abstract：BACKGROUND:Mild and moderate functional ischemic mitral insufficiency present at the time of surgical revascularization present clinical uncertainty. It is unclear whether the relatively poor outcomes in this cohort are dependent on valvular function or related to left ventricular dysfunction. The purpose of this study...

journal_title：Circulation

authors： Grossi EA,Crooke GA,DiGiorgi PL,Schwartz CF,Jorde U,Applebaum RM,Ribakove GH,Galloway AC,Grau JB,Colvin SB

更新日期：2006-07-04 00:00:00

abstract：BACKGROUND:Angiogenesis is a promising treatment strategy for patients who are not candidates for standard revascularization, because it promotes the growth of new blood vessels in ischemic myocardium. METHODS AND RESULTS:We conducted a randomized, double-blind, placebo-controlled study of basic fibroblast growth fact...

journal_title：Circulation

authors： Laham RJ,Sellke FW,Edelman ER,Pearlman JD,Ware JA,Brown DL,Gold JP,Simons M

更新日期：1999-11-02 00:00:00

abstract：:Background- Cardiovagal baroreflex sensitivity (BRS) declines with age but is favorably modulated by habitual aerobic exercise. We tested the hypothesis that compliance (transducing capacity) of an elastic artery in which baroreceptors are located is associated with these age-exercise interactions. Methods and Results...

journal_title：Circulation

authors： Monahan KD,Tanaka H,Dinenno FA,Seals DR

更新日期：2001-10-02 00:00:00

abstract：BACKGROUND:Associations of obesity with incidence of heart failure have been observed, but the causality is uncertain. We hypothesized that gastric bypass surgery leads to a lower incidence of heart failure compared with intensive lifestyle modification in obese people. METHODS:We included obese people without previou...

journal_title：Circulation

authors： Sundström J,Bruze G,Ottosson J,Marcus C,Näslund I,Neovius M

更新日期：2017-04-25 00:00:00

abstract：BACKGROUND:The possible contribution of endothelin-1, a potent endothelium-derived vasoconstrictor peptide, to neurohumoral compensation for hemodynamic stress was examined in nine normal volunteers and six patients with severe congestive heart failure. METHODS AND RESULTS:Plasma levels of endothelin-1 were measured w...

journal_title：Circulation

authors： Stewart DJ,Cernacek P,Costello KB,Rouleau JL

更新日期：1992-02-01 00:00:00

abstract：:Resting left ventricular (LV) function was evaluated in 22 patients with permanent ventricular pacemakers. LV ejection fraction and volume indexes were determined by gated blood pool scintigraphy at ventricular pacing rates of 50-100 beats/min. In patients with a normal heart size, increases in pacing rates resulted i...

journal_title：Circulation

authors： Narahara KA,Blettel ML

更新日期：1983-02-01 00:00:00

abstract：BACKGROUND:There is no consensus on how, when, or at what intensity exercise should be performed after heart transplantation (HTx). We have recently shown that high-intensity interval training (HIT) is safe, well tolerated, and efficacious in the maintenance state after HTx, but studies have not investigated HIT effect...

journal_title：Circulation

authors： Nytrøen K,Rolid K,Andreassen AK,Yardley M,Gude E,Dahle DO,Bjørkelund E,Relbo Authen A,Grov I,Philip Wigh J,Have Dall C,Gustafsson F,Karason K,Gullestad L

更新日期：2019-05-07 00:00:00

abstract：BACKGROUND:We examined the association of 3 polymorphisms in the lectin-like oxidized LDL receptor-1 (LOX1 or OLR1) gene with coronary artery disease in the Women's Ischemia Syndrome Evaluation (WISE) study population. METHODS AND RESULTS:The WISE sample comprised 589 white and 122 black women who underwent angiograph...

journal_title：Circulation

authors： Chen Q,Reis SE,Kammerer C,Craig WY,LaPierre SE,Zimmer EL,McNamara DM,Pauly DF,Sharaf B,Holubkov R,Bairey Merz CN,Sopko G,Bontempo F,Kamboh MI

更新日期：2003-07-01 00:00:00

abstract：BACKGROUND:One or more brief episodes of coronary artery occlusion protect or "precondition" the myocardium perfused by that artery from a subsequent episode of sustained ischemia. We sought to determine whether ischemic preconditioning protects only those myocytes subjected to brief coronary occlusion or whether brief...

journal_title：Circulation

authors： Przyklenk K,Bauer B,Ovize M,Kloner RA,Whittaker P

更新日期：1993-03-01 00:00:00

abstract：BACKGROUND:Cardiac growth and function may be modulated in part by trophic effects of neurohormones. Specifically, aldosterone has been shown to stimulate the growth of cardiac myocytes and the accumulation of cardiac extracellular matrix proteins. Moreover, a variant of the aldosterone synthase gene (a cytosine/thymid...

journal_title：Circulation

authors： Schunkert H,Hengstenberg C,Holmer SR,Broeckel U,Luchner A,Muscholl MW,Kürzinger S,Döring A,Hense HW,Riegger GA

更新日期：1999-05-04 00:00:00

abstract：BACKGROUND:Despite recommendations in the guidelines and consensus documents, there has been no randomized controlled trial evaluating oral anticoagulation (OAC) alone without antiplatelet therapy (APT) in patients with atrial fibrillation and stable coronary artery disease beyond 1 year after coronary stenting. METHO...

journal_title：Circulation

authors： Matsumura-Nakano Y,Shizuta S,Komasa A,Morimoto T,Masuda H,Shiomi H,Goto K,Nakai K,Ogawa H,Kobori A,Kono Y,Kaitani K,Suwa S,Aoyama T,Takahashi M,Sasaki Y,Onishi Y,Mano T,Matsuda M,Motooka M,Tomita H,Inoko M,Wak

更新日期：2019-01-29 00:00:00

abstract：BACKGROUND:Aortic valve-preserving procedures have resulted in excellent outcomes in selected patients, particularly those with normal aortic valve leaflets and dilated aortic roots. However, several congenital heart lesions are associated with abnormal aortic valve leaflets. The long-term results of aortic valve repai...

journal_title：Circulation

authors： Rao V,Van Arsdell GS,David TE,Azakie A,Williams WG

更新日期：2000-11-07 00:00:00

abstract：:Certain clinical and morphologic observations are described in 27 patients with severe isolated angina pectoris of either the stable (five patients) or the unstable form (22 patients). Twenty-four patients died during or shortly after cardiac operations designed to relieve angina pectoris and three died during cardiac...

journal_title：Circulation

authors： Roberts WC

更新日期：1976-09-01 00:00:00

abstract：BACKGROUND:The cardiovascular adaptation to bed rest leads to orthostatic intolerance, characterized by an excessive fall in stroke volume (SV) in the upright position. We hypothesized that this large fall in SV is due to a change in cardiac mechanics. METHODS AND RESULTS:We measured pulmonary capillary wedge pressure...

journal_title：Circulation

authors： Levine BD,Zuckerman JH,Pawelczyk JA

更新日期：1997-07-15 00:00:00

abstract：BACKGROUND:In patients with atrial fibrillation (AF), the risk of thromboembolic events (TEs) is variable and is influenced by the presence and number of comorbid conditions. The effect of percutaneous left atrial radiofrequency ablation (LARFA) of AF on the risk of TEs is unclear. METHODS AND RESULTS:LARFA was perfor...

journal_title：Circulation

authors： Oral H,Chugh A,Ozaydin M,Good E,Fortino J,Sankaran S,Reich S,Igic P,Elmouchi D,Tschopp D,Wimmer A,Dey S,Crawford T,Pelosi F Jr,Jongnarangsin K,Bogun F,Morady F

更新日期：2006-08-22 00:00:00

abstract：:More accurate characterization of coronary artery lesions is needed for evaluation of short and long-term interventions in coronary disease. A method of segmental artery analysis has been developed to maximize the information obtained from coronary arteriograms. Coronary lesions are traced from two projected, perpendi...

journal_title：Circulation

authors： Brown BG,Bolson E,Frimer M,Dodge HT

更新日期：1977-02-01 00:00:00

abstract：:Recent studies have shown that blood flow during closed-chest cardiopulmonary resuscitation (CPR) results primarily from generalized changes in intrathoracic pressure rather than direct compression of the heart. Since ascending aortic and right atrial pressures rise and fall synchronously and to comparable levels duri...

journal_title：Circulation

authors： Ditchey RV,Winkler JV,Rhodes CA

更新日期：1982-08-01 00:00:00

abstract：BACKGROUND:Extracellular matrix proteins, such as laminins, and endothelial cells are known to influence cardiomyocyte performance; however, the underlying molecular mechanisms remain poorly understood. METHODS AND RESULTS:We used a forward genetic screen in zebrafish to identify novel genes required for myocardial fu...

journal_title：Circulation

authors： Knöll R,Postel R,Wang J,Krätzner R,Hennecke G,Vacaru AM,Vakeel P,Schubert C,Murthy K,Rana BK,Kube D,Knöll G,Schäfer K,Hayashi T,Holm T,Kimura A,Schork N,Toliat MR,Nürnberg P,Schultheiss HP,Schaper W,Schaper J,

更新日期：2007-07-31 00:00:00

abstract：:The efficacy of a single oral dose combination of 120 mg diltiazem and 160 mg propranolol in terminating paroxysmal supraventricular tachycardia (PSVT) was evaluated in 15 patients. All 15 patients underwent electrical induction of PSVT that lasted longer than 15 min, and all underwent randomized crossover placebo and...

journal_title：Circulation

authors： Yeh SJ,Lin FC,Chou YY,Hung JS,Wu D

更新日期：1985-01-01 00:00:00

abstract：:Accumulating experimental and clinical evidence indicates that a time for reappraisal of therapeutic modalities designed to inhibit the eicosanoid pathway as it may affect vascular disease may be approaching. Pharmacologic agents originally used were chosen because they were capable of suppressing platelet functions s...

journal_title：Circulation

authors： Marcus AJ,Safier LB,Ullman HL,Broekman MJ,Islam N,Oglesby TD,Gorman RR,Ward JW

更新日期：1985-10-01 00:00:00