Role of ATP-sensitive K+ channel on ECG ST segment elevation during a bout of myocardial ischemia. A study on epicardial mapping in dogs.

abstract：BACKGROUND:We sought to separately examine the effects of either weight loss or diets varying in protein content and glycemic index without further changes in body weight on cardiovascular risk factors within the Diet, Obesity, and Genes study (DiOGenes). METHODS AND RESULTS:DiOGenes is a pan-European controlled dieta...

journal_title：Circulation

authors： Gögebakan O,Kohl A,Osterhoff MA,van Baak MA,Jebb SA,Papadaki A,Martinez JA,Handjieva-Darlenska T,Hlavaty P,Weickert MO,Holst C,Saris WH,Astrup A,Pfeiffer AF,DiOGenes.

更新日期：2011-12-20 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：:In a double-blind randomized trial involving five Sydney hospitals and the city ambulance paramedical service, 145 patients with a first evolving myocardial infarction and with onset of pain less than 2.5 (mean 1.9 +/- 0.5 [SD]) hr previously were allocated to intravenous infusion of 100 mg recombinant tissue-type pla...

journal_title：Circulation

authors： O'Rourke M,Baron D,Keogh A,Kelly R,Nelson G,Barnes C,Raftos J,Graham K,Hillman K,Newman H

更新日期：1988-06-01 00:00:00

abstract：BACKGROUND:Sirt7, 1 of the 7 members of the mammalian sirtuin family, promotes oncogenic transformation. Tumor growth and metastasis require fibrotic and angiogenic responses. Here, we investigated the role of Sirt7 in cardiovascular tissue repair process. METHODS AND RESULTS:In wild-type mice, Sirt7 expression increa...

journal_title：Circulation

authors： Araki S,Izumiya Y,Rokutanda T,Ianni A,Hanatani S,Kimura Y,Onoue Y,Senokuchi T,Yoshizawa T,Yasuda O,Koitabashi N,Kurabayashi M,Braun T,Bober E,Yamagata K,Ogawa H

更新日期：2015-09-22 00:00:00

abstract：BACKGROUND:Hypercholesterolemia and sickle cell disease (SCD) impair endothelium-dependent vasodilation by dissimilar mechanisms. Hypercholesterolemia impairs vasodilation by a low-density lipoprotein (LDL)-dependent mechanism. SCD has been characterized as a chronic state of inflammation in which xanthine oxidase (XO)...

journal_title：Circulation

authors： Ou J,Ou Z,Jones DW,Holzhauer S,Hatoum OA,Ackerman AW,Weihrauch DW,Gutterman DD,Guice K,Oldham KT,Hillery CA,Pritchard KA Jr

更新日期：2003-05-13 00:00:00

abstract：BACKGROUND:We attempted to characterize age-related changes in blood pressure in both normotensive and untreated hypertensive subjects in a population-based cohort from the original Framingham Heart Study and to infer underlying hemodynamic mechanisms. METHODS AND RESULTS:A total of 2036 participants were divided into...

journal_title：Circulation

authors： Franklin SS,Gustin W 4th,Wong ND,Larson MG,Weber MA,Kannel WB,Levy D

更新日期：1997-07-01 00:00:00

abstract：BACKGROUND:Although LDL cholesterol (LDL-C) is generally accepted to be a major risk factor for progression of atherosclerosis, the traditional measurement of LDL-C includes measurement of IDL. Little is known about the relationship between IDL and progression of atherosclerosis. Therefore, we investigated the associat...

journal_title：Circulation

authors： Hodis HN,Mack WJ,Dunn M,Liu C,Liu C,Selzer RH,Krauss RM

更新日期：1997-04-15 00:00:00

abstract：BACKGROUND:To examine the effect of plasminogen activator therapy on vascular permeability, we used a modified rabbit mesenteric model of extravascular tissue accumulation of radiolabeled albumin. METHODS AND RESULTS:Albumin deposition was measured after saline, tissue-type plasminogen activator (t-PA; 0.86 mg/kg for ...

journal_title：Circulation

authors： Rudd MA,Johnstone MT,Rabbani LE,George D,Ware JA,Loscalzo J

更新日期：1991-12-01 00:00:00

abstract：:Cardiac allograft vasculopathy (CAV) remains a troublesome long-term complication of heart transplantation. It is manifested by a unique and unusually accelerated form of coronary disease affecting both intramural and epicardial coronary arteries and veins.CAV is characterized by vascular injury induced by a variety o...

journal_title：Circulation

authors： Weis M,von Scheidt W

更新日期：1997-09-16 00:00:00

abstract：BACKGROUND:Memory is a diverse biological phenomenon whose importance in the ventricle has been demonstrated. We hypothesized its occurrence in the atrium, contributing to the modulation of cardiac rhythm. METHODS AND RESULTS:We analyzed P and Ta waves in conscious chronically instrumented dogs with complete heart blo...

journal_title：Circulation

authors： Herweg B,Chang F,Chandra P,Danilo P Jr,Rosen MR

更新日期：2001-01-23 00:00:00

abstract：BACKGROUND:Factors predicting the occurrence of premature coronary artery disease (CAD) may not be quantitatively the same as those predicting CAD severity, particularly in women, in whom there have been few studies. METHODS AND RESULTS:To determine factors predictive of severity of CAD and of angina pectoris, we docu...

journal_title：Circulation

authors： Wang XL,Tam C,McCredie RM,Wilcken DE

更新日期：1994-05-01 00:00:00

abstract：:To study the determinants of smooth muscle injury during balloon angioplasty, we conducted a series of experiments to examine the effects of degree of arterial stretching, duration of balloon inflation, and arterial precontraction on smooth muscle injury after balloon angioplasty in isolated, perfused whole-vessel seg...

journal_title：Circulation

authors： Fischell TA,Grant G,Johnson DE

更新日期：1990-12-01 00:00:00

abstract：BACKGROUND:NAD(P)H oxidases are important sources of superoxide in the vasculature, the activity of which is associated with risk factors for human atherosclerosis. This study was designed to investigate the localization of superoxide production and the expression of the Nox family of NAD(P)H oxidase proteins (gp91phox...

journal_title：Circulation

authors： Sorescu D,Weiss D,Lassègue B,Clempus RE,Szöcs K,Sorescu GP,Valppu L,Quinn MT,Lambeth JD,Vega JD,Taylor WR,Griendling KK

更新日期：2002-03-26 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：:Both the Veterans Administration Cooperative Study and the European Coronary Surgery Study have provided only brief accounts of graft patency rates in their surgically treated patients. In the Veterans Administration Cooperative Study, at an average of 1 year after operation, 69% of the grafts were patent among 208 pa...

journal_title：Circulation

authors： Bourassa MG,Fisher LD,Campeau L,Gillespie MJ,McConney M,Lespérance J

更新日期：1985-12-01 00:00:00

abstract：BACKGROUND:Previous studies have established that bone marrow-derived endothelial progenitor cells (EPCs) are present in the systemic circulation. In the current study, we investigated the hypothesis that gene transfer can be used to achieve phenotypic modulation of EPCs. METHODS AND RESULTS:In vitro, ex vivo murine v...

journal_title：Circulation

authors： Iwaguro H,Yamaguchi J,Kalka C,Murasawa S,Masuda H,Hayashi S,Silver M,Li T,Isner JM,Asahara T

更新日期：2002-02-12 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：:Patients with systemic morphological right ventricles (RVs), including congenitally corrected transposition of the great arteries and dextro-transposition of the great arteries with a Mustard or Senning atrial baffle repair, have a high likelihood of developing systemic ventricular dysfunction. Unfortunately, there ar...

journal_title：Circulation

authors： Zaragoza-Macias E,Zaidi AN,Dendukuri N,Marelli A

更新日期：2019-04-02 00:00:00

abstract：BACKGROUND:Cardiac vagal predominance increases the RR interval and RR high-frequency (HF) variability during non-rapid eye movement (non-REM) sleep (stages I through IV) in young subjects. Aging suppresses deep sleep, but effects of age-related changes in sleep architecture on RR are unknown. Whether mechanical effect...

journal_title：Circulation

authors： Crasset V,Mezzetti S,Antoine M,Linkowski P,Degaute JP,van de Borne P

更新日期：2001-01-02 00:00:00

abstract：BACKGROUND:Our aim was to compare the electron-beam CT (EBCT) features of coronary arteries in heart transplant recipients with those of biplane coronary angiography and intracoronary ultrasound (ICUS). METHODS AND RESULTS:We examined 112 heart transplant recipients (25 female; age, 17 to 69 years; median, 52 years) 1...

journal_title：Circulation

authors： Knollmann FD,Bocksch W,Spiegelsberger S,Hetzer R,Felix R,Hummel M

更新日期：2000-05-02 00:00:00

abstract：:Competing risks occur frequently in the analysis of survival data. A competing risk is an event whose occurrence precludes the occurrence of the primary event of interest. In a study examining time to death attributable to cardiovascular causes, death attributable to noncardiovascular causes is a competing risk. When ...

journal_title：Circulation

authors： Austin PC,Lee DS,Fine JP

更新日期：2016-02-09 00:00:00

abstract：BACKGROUND:Chronic pulmonary regurgitation after repair of tetralogy of Fallot (TOF) may lead to right ventricular dilatation, which may be accompanied by ventricular tachycardia and sudden death. We aimed to examine the effects of pulmonary valve replacement (PVR) on (1) certain electrocardiographic markers predictive...

journal_title：Circulation

authors： Therrien J,Siu SC,Harris L,Dore A,Niwa K,Janousek J,Williams WG,Webb G,Gatzoulis MA

更新日期：2001-05-22 00:00:00

abstract：BACKGROUND:Precise knowledge of the expected "normal" lumen diameter at a given coronary anatomic location is a first step toward developing a quantitative estimate of coronary disease severity that could be more useful than the traditional "percent stenosis." METHODS AND RESULTS:Eighty-three arteriograms were careful...

journal_title：Circulation

authors： Dodge JT Jr,Brown BG,Bolson EL,Dodge HT

更新日期：1992-07-01 00:00:00

abstract：:In the United States each year, >5.3 million patients present to emergency departments with chest discomfort and related symptoms. Ultimately, >1.4 million individuals are hospitalized for unstable angina and non-ST-segment elevation myocardial infarction. For emergency physicians and cardiologists alike, these patien...

journal_title：Circulation

authors： Gibler WB,Cannon CP,Blomkalns AL,Char DM,Drew BJ,Hollander JE,Jaffe AS,Jesse RL,Newby LK,Ohman EM,Peterson ED,Pollack CV,American Heart Association Council on Clinical Cardiology (Subcommittee on Acute Cardiac Care).,Council on

更新日期：2005-05-24 00:00:00

abstract：BACKGROUND:Regulatory T cells (Treg) are present in atherosclerotic lesions and can modulate disease. In this study we characterized changes in Treg responses associated with prolonged hypercholesterolemia and lesion progression. METHODS AND RESULTS:Low-density lipoprotein receptor null mice in which Treg express gree...

journal_title：Circulation

authors： Maganto-García E,Tarrio ML,Grabie N,Bu DX,Lichtman AH

更新日期：2011-07-12 00:00:00

abstract：BACKGROUND:Coronary artery bypass grafting in patients with chronic ischemic cardiomyopathy is increasing in frequency, as is reoperative bypass. However, there exist very little data on early outcomes of patients with severe left ventricular dysfunction undergoing reoperation. Hence, we tested the following hypotheses...

journal_title：Circulation

authors： Kron IL,Cope JT,Baker LD Jr,Spotnitz HM

更新日期：1997-11-04 00:00:00

abstract：BACKGROUND:Risk stratification algorithms for coronary artery bypass grafting (CABG) do not include a weighting for preoperative mild renal impairment defined as a serum creatinine 130 to 199 micromol/L (1.47 to 2.25 mg/dL), which may impact mortality and morbidity after CABG. METHODS AND RESULTS:We reviewed prospecti...

journal_title：Circulation

authors： Zakeri R,Freemantle N,Barnett V,Lipkin GW,Bonser RS,Graham TR,Rooney SJ,Wilson IC,Cramb R,Keogh BE,Pagano D

更新日期：2005-08-30 00:00:00

abstract：:The pulmonary function of ten adult patients with congenital pulmonary valvular stenosis was investigated. The patients clearly showed smaller lungs than healthy control subjects of equivalent age and height; lung elastic recoil pressure was normal at any given percentage of measured total lung capacity, indicating th...

journal_title：Circulation

authors： De Troyer A,Yernault JC,Englert M

更新日期：1977-10-01 00:00:00

abstract：BACKGROUND:The coagulation system is closely linked with vascular inflammation, although the underlying mechanisms are still obscure. Recent studies show that protease-activated receptor (PAR)-2, a major receptor of activated factor X, is expressed in both vascular cells and leukocytes, suggesting that PAR-2 may contri...

journal_title：Circulation

authors： Hara T,Phuong PT,Fukuda D,Yamaguchi K,Murata C,Nishimoto S,Yagi S,Kusunose K,Yamada H,Soeki T,Wakatsuki T,Imoto I,Shimabukuro M,Sata M

更新日期：2018-10-16 00:00:00

abstract：:Activation of the sympathetic nervous system is an important factor in the genesis of ventricular arrhythmias in patients with impaired ventricular function. Such patients have an appropriate substrate that is capable of generating rhythm abnormalities, which may be related to enhanced automaticity, triggered automati...

journal_title：Circulation

authors： Podrid PJ,Fuchs T,Candinas R

更新日期：1990-08-01 00:00:00