Left ventricular remodeling in transgenic mice with cardiac restricted overexpression of tumor necrosis factor.

abstract：BACKGROUND:Alpha-linolenic acid may protect against cardiovascular disease. We examined the association between adipose tissue alpha-linolenic acid and nonfatal acute myocardial infarction (MI) in a population-based case-control study in Costa Rica. METHODS AND RESULTS:The 482 case patients with a first nonfatal acute...

journal_title：Circulation

authors： Baylin A,Kabagambe EK,Ascherio A,Spiegelman D,Campos H

更新日期：2003-04-01 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:Pulmonary hypertension caused by systolic left ventricular dysfunction is associated with significant morbidity and mortality; however, no treatment is approved for this indication. We hypothesized that riociguat, a novel soluble guanylate cyclase stimulator, would have beneficial hemodynamic effects in pati...

journal_title：Circulation

authors： Bonderman D,Ghio S,Felix SB,Ghofrani HA,Michelakis E,Mitrovic V,Oudiz RJ,Boateng F,Scalise AV,Roessig L,Semigran MJ,Left Ventricular Systolic Dysfunction Associated With Pulmonary Hypertension Riociguat Trial (LEPHT) Study Group.

更新日期：2013-07-30 00:00:00

abstract：BACKGROUND:Ventricular tachyarrhythmias are the major clinical manifestation of arrhythmogenic right ventricular disease. Although antiarrhythmic therapy has been widely advocated, there is only limited information available on the efficacy of antiarrhythmic drugs in these patients. METHODS AND RESULTS:The short- and ...

journal_title：Circulation

authors： Wichter T,Borggrefe M,Haverkamp W,Chen X,Breithardt G

更新日期：1992-07-01 00:00:00

abstract：BACKGROUND:Intravascular ultrasound imaging was performed in 27 patients after coronary balloon angioplasty to quantify the lumen and atheroma cross-sectional areas. METHODS AND RESULTS:A 20-MHz ultrasound catheter was inserted through a 1.6-mm plastic introducer sheath across the dilated area to obtain real-time imag...

journal_title：Circulation

authors： Tobis JM,Mallery J,Mahon D,Lehmann K,Zalesky P,Griffith J,Gessert J,Moriuchi M,McRae M,Dwyer ML

更新日期：1991-03-01 00:00:00

abstract：:The indications for biventricular versus left ventricular mechanical circulatory support as a bridge to cardiac transplantation are not well established. In this study, 27 potential heart transplant candidates who were in imminent risk of dying before donor heart procurement were implanted with Thoratec prosthetic ven...

journal_title：Circulation

authors： Farrar DJ,Hill JD,Gray LA Jr,Galbraith TA,Chow E,Hershon JJ

更新日期：1989-11-01 00:00:00

abstract：BACKGROUND:The role of angiotensin as a vasoconstrictor is well established. Lately, several other actions of this hormone on vascular smooth muscle (VSM) cells have been recognized including the induction of hypertrophy and/or DNA synthesis. Platelet-derived growth factor (PDGF), a mitogen recently shown to increase p...

journal_title：Circulation

authors： van Leeuwen RT,Kol A,Andreotti F,Kluft C,Maseri A,Sperti G

更新日期：1994-07-01 00:00:00

abstract：:The elimination of specific dietary cholesterol target recommendations in recent guidelines has raised questions about its role with respect to cardiovascular disease. This advisory was developed after a review of human studies on the relationship of dietary cholesterol with blood lipids, lipoproteins, and cardiovascu...

journal_title：Circulation

authors： Carson JAS,Lichtenstein AH,Anderson CAM,Appel LJ,Kris-Etherton PM,Meyer KA,Petersen K,Polonsky T,Van Horn L,American Heart Association Nutrition Committee of the Council on Lifestyle and Cardiometabolic Health; Council on Arteriosclero

更新日期：2020-01-21 00:00:00

abstract：BACKGROUND:Soluble stem cell factor (SCF) has been shown to mobilize bone marrow stem cells and improve cardiac repair after myocardial infarction (MI). However, the effect of membrane-associated SCF on cardiac remodeling after MI is not known. The present study investigated the effects of cardiomyocyte-specific overex...

journal_title：Circulation

authors： Xiang FL,Lu X,Hammoud L,Zhu P,Chidiac P,Robbins J,Feng Q

更新日期：2009-09-22 00:00:00

abstract：BACKGROUND:The relationship between intake of fruits and vegetables (F/V) during young adulthood and coronary atherosclerosis later in life is unclear. METHODS AND RESULTS:We studied participants of the Coronary Artery Risk Development in Young Adults (CARDIA) study, a cohort of young, healthy black and white individu...

journal_title：Circulation

authors： Miedema MD,Petrone A,Shikany JM,Greenland P,Lewis CE,Pletcher MJ,Gaziano JM,Djousse L

更新日期：2015-11-24 00:00:00

abstract：BACKGROUND:In patients with acute coronary syndrome (ACS), percutaneous coronary intervention (PCI) may cause thrombus dislodgment followed by reduced flow and impaired microcirculatory function. We prospectively compared conventional PCI to a strategy of additional pretreatment using the X-sizer thrombectomy system. ...

journal_title：Circulation

authors： Beran G,Lang I,Schreiber W,Denk S,Stefenelli T,Syeda B,Maurer G,Glogar D,Siostrzonek P

更新日期：2002-05-21 00:00:00

abstract：BACKGROUND:Despite progress, many hypertensive patients remain uncontrolled. Defining characteristics of uncontrolled hypertensives may facilitate efforts to improve blood pressure control. METHODS AND RESULTS:Subjects included 13,375 hypertensive adults from National Health and Nutrition Examination Surveys (NHANESs)...

journal_title：Circulation

authors： Egan BM,Zhao Y,Axon RN,Brzezinski WA,Ferdinand KC

更新日期：2011-08-30 00:00:00

abstract：BACKGROUND:Endothelin-converting enzyme (ECE)-1 activates endothelin-1 (ET-1) and may thus contribute to the regulation of vascular tone and cell growth during atherosclerosis. METHODS AND RESULTS:To evaluate ECE-1 immunoreactivity concerning big ET-1/ET-1, we performed qualitative and quantitative immunohistochemistr...

journal_title：Circulation

authors： Ihling C,Szombathy T,Bohrmann B,Brockhaus M,Schaefer HE,Loeffler BM

更新日期：2001-08-21 00:00:00

abstract：BACKGROUND:Patients with a non-ST-elevation acute coronary syndrome and prior CABG are at high risk of a recurrent ischemic event despite aspirin therapy. This trial investigated the potential benefit of secondary prevention with warfarin. METHODS AND RESULTS:In a double-blind randomized trial, 135 patients with unsta...

journal_title：Circulation

authors： Huynh T,Théroux P,Bogaty P,Nasmith J,Solymoss S

更新日期：2001-06-26 00:00:00

abstract：BACKGROUND:The Fick principle (cardiac output = oxygen uptake ( O2)/systemic arterio-venous oxygen difference) is used to determine cardiac output in numerous clinical situations. However, estimated rather than measured O2 is commonly used because of complexities of the measurement, though the accuracy of estimation re...

journal_title：Circulation

authors： Narang N,Thibodeau JT,Levine BD,Gore MO,Ayers CR,Lange RA,Cigarroa JE,Turer AT,de Lemos JA,McGuire DK

更新日期：2014-01-14 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:The quantity and intensity of physical activity required for the primary prevention of coronary heart disease (CHD) remain unclear. Therefore, we examined the association of the quantity and intensity of physical activity with CHD risk and the impact of other coronary risk factors. METHODS AND RESULTS:We fo...

journal_title：Circulation

authors： Sesso HD,Paffenbarger RS Jr,Lee IM

更新日期：2000-08-29 00:00:00

abstract：:Acute cardiac rejection, syndrome X, and arterial hypertension can induce small vessel damage and, therefore, restriction of coronary reserve in the presence of normal epicardial coronary arteries. A characteristic response pattern to dipyridamole (DIP) infusion has been previously described in syndrome X and arterial...

journal_title：Circulation

authors： Picano E,De Pieri G,Salerno JA,Arbustini E,Distante A,Martinelli L,Pucci A,Montemartini C,Viganò M,Donato L

更新日期：1990-01-01 00:00:00

abstract：BACKGROUND:approximately half of patients with heart failure die suddenly as a result of ventricular arrhythmias. Although abnormal Ca(2+) release from the sarcoplasmic reticulum through ryanodine receptors (RyR2) has been linked to arrhythmogenesis, the molecular mechanisms triggering release of arrhythmogenic Ca(2+) ...

journal_title：Circulation

authors： van Oort RJ,McCauley MD,Dixit SS,Pereira L,Yang Y,Respress JL,Wang Q,De Almeida AC,Skapura DG,Anderson ME,Bers DM,Wehrens XH

更新日期：2010-12-21 00:00:00

abstract：BACKGROUND:The reason for the delay in onset of the electrophysiological effects and antiarrhythmic efficacy of amiodarone is not clear. The relation between the development of the electrophysiological effects of amiodarone and its myocardial concentration is unknown. We therefore examined the time course of developmen...

journal_title：Circulation

authors： Nanas JN,Mason JW

更新日期：1995-01-15 00:00:00

abstract：BACKGROUND:Myocardial afterload depends on left ventricular (LV) cavity size, pressure, and wall thickness, all of which change markedly throughout ejection. We assessed the relationship between instantaneous ejection-phase pressure and myocardial stress and the effect of arterial wave reflections on myocardial stress ...

journal_title：Circulation

authors： Chirinos JA,Segers P,Gupta AK,Swillens A,Rietzschel ER,De Buyzere ML,Kirkpatrick JN,Gillebert TC,Wang Y,Keane MG,Townsend R,Ferrari VA,Wiegers SE,St John Sutton M

更新日期：2009-06-02 00:00:00

abstract：:Regional myocardial function and blood flow were determined for 48 hours after permanent occlusion of the left circumflex coronary artery in conscious swine. Systolic wall thickening and end-diastolic wall thickness (EDWTh) were correlated with regional myocardial flow (RMBF) at 15 minutes, 24 and 48 hours after occlu...

journal_title：Circulation

authors： Savage RM,Guth B,White FC,Hagan AD,Bloor CM

更新日期：1981-10-01 00:00:00

abstract：:We report noninvasive and invasive studies designed to clarify the mechanism of the third heart sound (S3) in humans. The noninvasive observations were made using a miniature accelerometer attached to the skin surface at the cardiac apex. In subjects with no S3, the tracings were either flat or showed very low undulat...

journal_title：Circulation

authors： Ozawa Y,Smith D,Craige E

更新日期：1983-02-01 00:00:00

abstract：BACKGROUND:The myocardial protective role of heat shock protein (HSP) has been demonstrated, and there has been increasing interest in stress response in the heart. We examined the DNA-binding activity of heat shock transcription factor (HSF), by which the transcription of heat shock genes is mainly regulated, during h...

journal_title：Circulation

authors： Nishizawa J,Nakai A,Higashi T,Tanabe M,Nomoto S,Matsuda K,Ban T,Nagata K

更新日期：1996-11-01 00:00:00

abstract：BACKGROUND:The mechanisms of simple faint remain elusive. We propose that postural fainting is related to excessive thoracic hypovolemia and splanchnic hypervolemia during orthostasis compared with healthy subjects. METHODS AND RESULTS:We studied 34 patients 12 to 22 years old referred for multiple episodes of postura...

journal_title：Circulation

authors： Stewart JM,McLeod KJ,Sanyal S,Herzberg G,Montgomery LD

更新日期：2004-10-26 00:00:00

abstract：:The influence of chest compression rate on initial resuscitation success and 24 hr survival after prolonged manual cardiopulmonary resuscitation (CPR) was investigated in 26 morphine-anesthetized dogs (17 to 30 kg). After placement of aortic and right atrial micromanometers and induction of ventricular fibrillation, m...

journal_title：Circulation

authors： Feneley MP,Maier GW,Kern KB,Gaynor JW,Gall SA Jr,Sanders AB,Raessler K,Muhlbaier LH,Rankin JS,Ewy GA

更新日期：1988-01-01 00:00:00

abstract：:A 28-year-old female undergoing elective total hip replacement experienced an anaphylactic reaction to succinylcholine. Hemodynamics, plasma histamine and catecholamines were measured. The tachycardia experienced during the reaction appeared to be secondary to the sympathoadrenal response rather than a direct chronotr...

journal_title：Circulation

authors： Moss J,Fahmy NR,Sunder N,Beaven MA

更新日期：1981-01-01 00:00:00

abstract：:Twenty-six patients with unstable angina pectoris had biplane left ventricular (LV) angiograms and coronary arteriograms (CAGs) initially and at a median of 1 year following randomization to medical (15 patients) or surgical 11 patients) therapy. Left ventricular segmental wall motion was analyzed by a digital compute...

journal_title：Circulation

authors： Priest MF,Curry GC,Smith LR,Rogers WJ,Mantle JA,Rackley CE,Kouchoukos NT,Russell RO Jr

更新日期：1978-09-01 00:00:00

abstract：:Defibrillation/cardioversion thresholds were measured in 33 patients undergoing defibrillator implants. Each patient had a 12 cm2 patch placed near the left ventricular apex via a thoracotomy and a 10 cm2 spring lead placed pervenously at the right atrial-superior vena caval junction. Ventricular tachycardia of stable...

journal_title：Circulation

authors： Winkle RA,Stinson EB,Bach SM Jr,Echt DS,Oyer P,Armstrong K

更新日期：1984-04-01 00:00:00

abstract：BACKGROUND:Bias in studies of preventive medications can occur when healthier patients are more likely to initiate and adhere to therapy than less healthy patients. We sought evidence of this bias by examining associations between statin exposure and various outcomes that should not be causally affected by statin expos...

journal_title：Circulation

authors： Dormuth CR,Patrick AR,Shrank WH,Wright JM,Glynn RJ,Sutherland J,Brookhart MA

更新日期：2009-04-21 00:00:00