Improved efficiency of treadmill exercise testing using a multiple lead ECG system and basic hemodynamic exercise response.

abstract：BACKGROUND:We evaluated the prognosis of deferred and revascularized coronary stenoses after fractional flow reserve (FFR) measurement to assess its revascularization threshold in clinical practice. METHODS:The IRIS-FFR registry (Interventional Cardiology Research In-cooperation Society Fractional Flow Reserve) prospe...

journal_title：Circulation

authors： Ahn JM,Park DW,Shin ES,Koo BK,Nam CW,Doh JH,Kim JH,Chae IH,Yoon JH,Her SH,Seung KB,Chung WY,Yoo SY,Lee JB,Choi SW,Park K,Hong TJ,Lee SY,Han M,Lee PH,Kang SJ,Lee SW,Kim YH,Lee CW,Park SW,Park SJ,IRIS-FF

更新日期：2017-06-06 00:00:00

abstract：BACKGROUND:Cardiac tamponade is associated with fatal outcomes for patients with acute type A aortic dissection, and the presence of cardiac tamponade should prompt urgent aortic repair. However, treatment of the patient with critical cardiac tamponade who cannot survive until surgery remains unclear. We analyzed our e...

journal_title：Circulation

authors： Hayashi T,Tsukube T,Yamashita T,Haraguchi T,Matsukawa R,Kozawa S,Ogawa K,Okita Y

更新日期：2012-09-11 00:00:00

abstract：BACKGROUND:Identification of genes that are specifically activated in restenosis lesions after percutaneous transluminal angioplasty represents a necessary step toward molecular manipulation designed to inhibit cellular proliferation responsible for such lesions. Whereas quiescent smooth muscle cells (contractile pheno...

journal_title：Circulation

authors： Leclerc G,Isner JM,Kearney M,Simons M,Safian RD,Baim DS,Weir L

更新日期：1992-02-01 00:00:00

abstract：BACKGROUND:Cardiac hypertrophy is a common response to circulatory or neurohumoral stressors as a mechanism to augment contractility. When the heart is under sustained stress, the hypertrophic response can evolve into decompensated heart failure, although the mechanism(s) underlying this transition remain largely unkno...

journal_title：Circulation

authors： Warren SA,Briggs LE,Zeng H,Chuang J,Chang EI,Terada R,Li M,Swanson MS,Lecker SH,Willis MS,Spinale FG,Maupin-Furlowe J,McMullen JR,Moss RL,Kasahara H

更新日期：2012-11-27 00:00:00

abstract：BACKGROUND:Increased homocysteine levels are a risk factor for atherosclerosis and its sequelae. A common genetic mutation in methylenetetrahydrofolate reductase (MTHFR), an enzyme required for efficient homocysteine metabolism, creates a thermolabile enzyme with reduced activity. We determined the prevalence of this m...

journal_title：Circulation

authors： Deloughery TG,Evans A,Sadeghi A,McWilliams J,Henner WD,Taylor LM Jr,Press RD

更新日期：1996-12-15 00:00:00

abstract：BACKGROUND:Propylthiouracil (PTU) is used to treat hyperthyroid patients by its hypothyroid effect. PTU also is found to have potent antioxidant and immunosuppressive effects. These findings suggest that PTU may play a role in the prevention of atherosclerosis. METHODS AND RESULTS:This study evaluates the effect of PT...

journal_title：Circulation

authors： Chen WJ,Lin KH,Lai YJ,Yang SH,Pang JH

更新日期：2004-09-07 00:00:00

abstract：BACKGROUND:Depletion of L-arginine (L-arg), the substrate for nitric oxide (NO) synthesis, could be one of the mechanisms responsible for the reduced production of NO and decreased coronary flow (CF) during reperfusion. This, in turn, may adversely affect mechanical function. We aimed to study the benefits of exogenous...

journal_title：Circulation

authors： Amrani M,Gray CC,Smolenski RT,Goodwin AT,London A,Yacoub MH

更新日期：1997-11-04 00:00:00

abstract：BACKGROUND:Long-term ventricular resynchronization therapy improves symptom status. Changes in left ventricular remodeling have not been adequately evaluated. METHODS AND RESULTS:Fifty-three patients with systolic heart failure and bundle-branch block underwent implantation of biventricular stimulation (BVS) devices a...

journal_title：Circulation

authors： Saxon LA,De Marco T,Schafer J,Chatterjee K,Kumar UN,Foster E,VIGOR Congestive Heart Failure Investigators.

更新日期：2002-03-19 00:00:00

abstract：BACKGROUND:Considerable controversy exists regarding impairment of cardiac function in diabetes mellitus (DM). We investigated the serial changes in left ventricular (LV) histopathology and LV filling dynamics in Otsuka Long-Evans Tokushima Fatty (OLETF) rats, which have been established as an animal model of type II D...

journal_title：Circulation

authors： Mizushige K,Yao L,Noma T,Kiyomoto H,Yu Y,Hosomi N,Ohmori K,Matsuo H

更新日期：2000-02-29 00:00:00

abstract：BACKGROUND:Up to 50% of patients fail to meet ST-segment-elevation myocardial infarction (STEMI) guideline goals recommending a first medical contact-to-device time of <90 minutes for patients directly presenting to percutaneous coronary intervention-capable hospitals and <120 minutes for transferred patients. We sough...

journal_title：Circulation

authors： Jollis JG,Al-Khalidi HR,Roettig ML,Berger PB,Corbett CC,Dauerman HL,Fordyce CB,Fox K,Garvey JL,Gregory T,Henry TD,Rokos IC,Sherwood MW,Suter RE,Wilson BH,Granger CB,Mission: Lifeline STEMI Systems Accelerator Project.

更新日期：2016-08-02 00:00:00

abstract：BACKGROUND:Cardiac arrest without evident cardiac disease may be caused by subclinical genetic conditions. Provocative testing to unmask a phenotype is often necessary to detect primary electrical disease, direct genetic testing, and perform family screening. METHODS AND RESULTS:Patients with apparently unexplained ca...

journal_title：Circulation

authors： Krahn AD,Healey JS,Chauhan V,Birnie DH,Simpson CS,Champagne J,Gardner M,Sanatani S,Exner DV,Klein GJ,Yee R,Skanes AC,Gula LJ,Gollob MH

更新日期：2009-07-28 00:00:00

abstract：BACKGROUND:Although a major role of coronary thrombosis in the pathogenesis of unstable angina has been demonstrated, the results of a series of studies have suggested that activation of the hemostatic system may not be confined to ischemic episodes. The purpose of this study was to investigate the temporal relation be...

journal_title：Circulation

authors： Biasucci LM,Liuzzo G,Caligiuri G,Quaranta G,Andreotti F,Sperti G,van de Greef W,Rebuzzi AG,Kluft C,Maseri A

更新日期：1996-06-15 00:00:00

abstract：BACKGROUND:Mild oxidation of LDL enhances its atherogenic potential and induces a synergistic interaction with serotonin (5HT) on vascular smooth muscle cell (VSMC) proliferation. Because of its complex chemical nature, the mitogenic components of mildly oxidized LDL (moxLDL) remain unclear. METHODS AND RESULTS:We exa...

journal_title：Circulation

authors： Watanabe T,Pakala R,Koba S,Katagiri T,Benedict CR

更新日期：2001-03-13 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:Although diabetes is a well-known risk factor of atherosclerotic cardiovascular diseases, the cardiovascular disease risk of glycemia below the current diabetic threshold remains uncertain. METHODS AND RESULTS:A total of 652,901 Korean men aged 30 to 64 years from the Korean National Health Insurance System...

journal_title：Circulation

authors： Sung J,Song YM,Ebrahim S,Lawlor DA

更新日期：2009-02-17 00:00:00

abstract：BACKGROUND:Lung transplantation and heart-lung transplantation represent surgical options for treatment of medically refractory idiopathic pulmonary arterial hypertension. The effect of the lung allocation score on wait-list and transplantation outcomes in patients with idiopathic pulmonary arterial hypertension is poo...

journal_title：Circulation

authors： Schaffer JM,Singh SK,Joyce DL,Reitz BA,Robbins RC,Zamanian RT,Mallidi HR

更新日期：2013-06-25 00:00:00

abstract：BACKGROUND:DC shock catheter ablation for the treatment of ventricular tachycardia (VT) may induce VT episodes that disappear within days. METHODS AND RESULTS:A 30-J cathodal shock was delivered to the endocardial left ventricular wall in 15 closed-chest dogs. All dogs had VT during the first day after ablation. Eleve...

journal_title：Circulation

authors： Hauer RN,de Bakker JM,de Wilde AA,Straks W,Vermeulen JT,Janse MJ

更新日期：1991-07-01 00:00:00

abstract：BACKGROUND:We have demonstrated that brain natriuretic peptide (BNP) is a cardiac hormone predominantly synthesized in and secreted from the ventricle. We have also reported that, compared with atrial natriuretic peptide (ANP), the plasma concentration of BNP is increased to a greater degree in patients with congestive...

journal_title：Circulation

authors： Hama N,Itoh H,Shirakami G,Nakagawa O,Suga S,Ogawa Y,Masuda I,Nakanishi K,Yoshimasa T,Hashimoto Y

更新日期：1995-09-15 00:00:00

abstract：:Atherosclerotic coronary artery disease is the major cause of late cardiac transplant failure secondary to silent ischemia and infarction. To increase the longevity of cardiac homografts, we performed percutaneous transluminal coronary angioplasty (PTCA) in five male patients (aged 45 +/- 7 years, mean +/- SEM); 17 le...

journal_title：Circulation

authors： Vetrovec GW,Cowley MJ,Newton CM,Lewis SA,DiSciascio G,Thompson JA,Hastillo A,Lower R,Hess M

更新日期：1988-11-01 00:00:00

abstract：BACKGROUND:Venous thromboembolism can be a presenting symptom of cancer, but the association between lower limb arterial thrombosis and cancer is unknown. We therefore examined cancer risk and prognosis of cancer in patients with lower limb arterial thrombosis. METHODS:Using nationwide population-based Danish medical ...

journal_title：Circulation

authors： Sundbøll J,Veres K,Horváth-Puhó E,Adelborg K,Sørensen HT

更新日期：2018-08-14 00:00:00

abstract：:Left main coronary artery disease (i.e., greater than or equal to 50% stenosis) was found in 1,477 of 20,137 patients in the Coronary Artery Surgery Study (CAS) registry. Of these patients, 53 (3.6%) were asymptomatic. Asymptomatic and symptomatic patients were similar in regard to 1) severity of left main coronary ar...

journal_title：Circulation

authors： Taylor HA,Deumite NJ,Chaitman BR,Davis KB,Killip T,Rogers WJ

更新日期：1989-06-01 00:00:00

abstract：BACKGROUND:Smoking is a major risk factor for cardiovascular events. One of the potential mechanisms may be related to both coronary endothelial dysfunction and increased inflammatory response. The present study was designed to test the hypothesis that smoking is associated with epicardial coronary endothelial dysfunct...

journal_title：Circulation

authors： Lavi S,Prasad A,Yang EH,Mathew V,Simari RD,Rihal CS,Lerman LO,Lerman A

更新日期：2007-05-22 00:00:00

abstract：:Aortocoronary vein bypass surgery might not restore normal maximal coronary flow reserve to bypassed coronary vessels because residual diffuse coronary atherosclerosis might limit maximal hyperemia. To investigate the effect of diffuse atherosclerosis and a focal stenosis at the graft-coronary anastomosis, we measured...

journal_title：Circulation

authors： Wilson RF,White CW

更新日期：1987-09-01 00:00:00

abstract：:Patients with lower-extremity peripheral artery disease (PAD) have greater functional impairment, faster functional decline, increased rates of mobility loss, and poorer quality of life than people without PAD. Supervised exercise therapy (SET) improves walking ability, overall functional status, and health-related qu...

journal_title：Circulation

authors： Treat-Jacobson D,McDermott MM,Beckman JA,Burt MA,Creager MA,Ehrman JK,Gardner AW,Mays RJ,Regensteiner JG,Salisbury DL,Schorr EN,Walsh ME,American Heart Association Council on Peripheral Vascular Disease; Council on Cardiovascular

更新日期：2019-09-24 00:00:00

abstract：BACKGROUND:This study was designed to define myocardial viability and establish practical cut-off values for differentiating normal myocardial tissue from subendocardial and transmural scar tissue by using electromechanical mapping (EMM). We validated our results by delayed-enhancement cardiac MRI (DE-MRI). METHODS AN...

journal_title：Circulation

authors： Perin EC,Silva GV,Sarmento-Leite R,Sousa AL,Howell M,Muthupillai R,Lambert B,Vaughn WK,Flamm SD

更新日期：2002-08-20 00:00:00

abstract：BACKGROUND:There are few studies of cardiac autonomic nervous activity (CANA) in patients with congenital heart disease. Methods and Results-We evaluated CANA in 54 patients after closure of an atrial/ventricular septal defect (group A), 54 patients after successful right ventricular outflow tract reconstruction (RVOTR...

journal_title：Circulation

authors： Ohuchi H,Suzuki H,Toyohara K,Tatsumi K,Ono Y,Arakaki Y,Echigo S

更新日期：2000-11-28 00:00:00

abstract：BACKGROUND:An inverse association between moderate alcohol consumption and coronary heart disease (CHD) has been observed in several epidemiological studies. To assess whether a similar association exists among diabetics, we examined the relation between light to moderate alcohol consumption and CHD in men with and wit...

journal_title：Circulation

authors： Ajani UA,Gaziano JM,Lotufo PA,Liu S,Hennekens CH,Buring JE,Manson JE

更新日期：2000-08-01 00:00:00

abstract：:Total anomalous pulmonary venous connection (TAPVC) is a rare cardiac congenital abnormality which usually results in death in infancy or early childhood. We describe a 52-year-old man with TAPVC and severe calcific pulmonic stenosis. Both diagnoses were suspected clinically and from the chest X-ray. Cardiac catheteri...

journal_title：Circulation

authors： Pastore JO,Akins CW,Zir LM,Buckley MJ,Dinsmore RE

更新日期：1977-01-01 00:00:00

abstract：:Aspirin has been convincingly shown to reduce stroke and death in men with transient ischemic attacks (it may possibly be beneficial to women also), myocardial infarction and death in patients with unstable angina, thromboembolic complications associated with artificial heart valves in patients receiving oral anticoag...

journal_title：Circulation

authors： Harker LA

更新日期：1986-02-01 00:00:00

abstract：:To examine whether or not magnesium suppresses coronary spasm, the effect of magnesium infusion on anginal attacks induced by hyperventilation was studied in 20 patients with variant angina. In all patients, anginal attacks associated with ischemic ST segment changes on the electrocardiogram were repeatedly induced by...

journal_title：Circulation

authors： Miyagi H,Yasue H,Okumura K,Ogawa H,Goto K,Oshima S

更新日期：1989-03-01 00:00:00