Hemodynamics of a stenosis in a complaint artery.

abstract：:This study was designed to assess the contribution of clinical, electrocardiographic and exercise hemodynamic variables to the prediction of normalization on resting reinjection scintigraphy of persistent thallium-201 (201Tl) myocardial perfusion defects seen with exercise and 2- to 4-hour delayed (redistribution) ima...

journal_title：Cardiology

authors： Shammas NW,Schwartz RG,Pomerantz RM,Murphy GW,Hall WJ

更新日期：1996-05-01 00:00:00

abstract：:Seventy-two patients aged 2-65 years (mean 20.2) with fixed subaortic stenosis (FSS) are reported. All patients underwent echocardiography and angiography prior to surgical intervention. Sixty-four (89%) had discrete subaortic stenosis (DSS) and 8 (11%) tunnel type stenosis (TSS). Patients with DSS aged 2-65 years (me...

journal_title：Cardiology

authors： Tentolouris K,Kontozoglou T,Trikas A,Brilli S,Chlapoutakis E,Exadactylos N,Pitsavos C,Toutouzas P

更新日期：1999-01-01 00:00:00

abstract：OBJECTIVES:To assess the impact of different CYP2C19*2 polymorphisms on clinical outcomes and the effects of CYP2C19*2 polymorphism on predicting clinical outcomes in association with classic risk factors in patients with acute coronary syndromes (ACS). METHODS:Between July 2008 and September 2009, 497 consecutive pat...

journal_title：Cardiology

authors： Yan SD,Chen M,Li Q,Liu XJ,Peng Y,Chai H,Xu YN,Wei JF,Huang DJ

更新日期：2011-01-01 00:00:00

abstract：:The study investigates the genesis of the third heart sound (S3) in ischemic heart disease based on a mass-spring model. In such a system, the natural frequency of vibration, Fn, depends on the elastic constant, k, and the mass, m, according to the following relationship: Fn = 1/2 pi square root of k/m. To identify th...

journal_title：Cardiology

authors： Aggio S,Baracca E,Brunazzi C,Sgobino P,Aubert AE,Longhini C

更新日期：1990-01-01 00:00:00

abstract：:A 56-year-old woman, who had received an aortic valve replacement suffered from complete left bundle branch block and advanced atrioventricular block. On the basis of marked systemic inflammatory findings on admission and histopathological findings on previous cardiac surgery, this patient was considered to have condu...

journal_title：Cardiology

authors： Naitoh M,Chino M,Sakai T,Saitoh S,Ohkura M,Nishikawa K

更新日期：1990-01-01 00:00:00

abstract：:Previous studies have compared the outcome between patients with and without a confirmed acute myocardial infarction (AMI) mainly during the first few years after its onset. Our aim was to compare the prognosis between patients with and without a confirmed AMI during 10 years of follow-up. Patients participating in an...

journal_title：Cardiology

authors： Herlitz J,Karlson BW,Hjalmarson A

更新日期：1994-01-01 00:00:00

abstract：:The focus here is on relationships between major risk factors and long-term mortality from coronary heart disease (CHD) and all causes, and on longevity, in Chicago cohorts: 25-year follow-up for Peoples Gas (PG) men aged 25-39 (n = 1,119), 30-year follow-up for PG men aged 40-59 (n = 1,235), 24-year follow-up for Wes...

journal_title：Cardiology

authors： Stamler J,Dyer AR,Shekelle RB,Neaton J,Stamler R

更新日期：1993-01-01 00:00:00

abstract：:The EKG response to exercise and the working capacity in a group of 70 patients with positive serology for Chagas' disease has been determined by stress testing on a bicycle-ergometer, in order to establish the usefulness of such a test in the early diagnosis of Chagas' cardiomyopathy. The exercise EKG provides inform...

journal_title：Cardiology

authors： Hirschhaut E,Aparicio JM

更新日期：1978-01-01 00:00:00

abstract：OBJECTIVES:To evaluate clinical predictors of poor sleep quality and quality of life (QOL) in patients with hypertrophic cardiomyopathy (HCM). METHODS:Consecutive stable patients with HCM were evaluated for the risk of obstructive sleep apnea (OSA) by the Berlin Questionnaire, daytime sleepiness by the Epworth Sleepin...

journal_title：Cardiology

authors： Pedrosa RP,Lima SG,Drager LF,Genta PR,Amaro AC,Antunes MO,Arteaga E,Mady C,Lorenzi-Filho G

更新日期：2010-01-01 00:00:00

abstract：:To study the effect of coronary angioplasty (PTCA) on left ventricular (LV) diastolic filling, mitral Doppler flow tracings of 15 patients with isolated stenosis of the left anterior descending coronary artery (LAD) and normal systolic LV function were recorded before PTCA as well as 24 h and 3 months after successful...

journal_title：Cardiology

authors： Ricou F,Lerch R,Meier B,Rutishauser W

更新日期：1992-01-01 00:00:00

abstract：:A mother and her two children with idiopathic ascending aortic dilatation are reported. This provides further evidence that genetic factors are involved in the etiology of aortic aneurysms and calls for screening first-degree family members, including children, of young adult patients diagnosed with this condition. ...

journal_title：Cardiology

authors： Beghetti M,Steinmann B,Didier D,Kalangos A,Bottani A

更新日期：1999-01-01 00:00:00

abstract：:Lower extremity atherosclerosis results in significant morbidity in women, particularly in women following the menopause. Up to 25% of women aged 55 to 74 years are affected by this disease. When noninvasive testing is used to determine the prevalence of lower extremity atherosclerosis, and men in this age group are e...

journal_title：Cardiology

authors： Gerhard M,Baum P,Raby KE

更新日期：1995-01-01 00:00:00

abstract：PURPOSE:Electrocardiographic (ECG) ST segment elevation lasting 2 or more weeks following Q wave myocardial infarction has been associated with 'ventricular aneurysm' and absence of tissue viability. Regional systolic dysfunction may reflect either viable myocardium or scar. Positron emission-tomographic (PET) imaging ...

journal_title：Cardiology

authors： Saber W,Nishime EO,Brunken RC,Apperson-Hansen C,Mills RM

更新日期：2003-01-01 00:00:00

abstract：OBJECTIVE:This study sought to elucidate the underlying hemodynamic mechanisms involved in the longitudinal propagation of acute, type-B aortic dissections. METHODS:Three-dimensional patient-specific aortic geometry was reconstructed from computed tomography images of 3 cases, followed by computational fluid dynamic a...

journal_title：Cardiology

authors： Zhang Y,Lu Q,Feng J,Yu P,Zhang S,Teng Z,Gillard JH,Song R,Jing Z

更新日期：2014-01-01 00:00:00

abstract：:The spectrum of patients operated on without preoperative catheterization and angiography, the accuracy of echocardiographic diagnosis and its impact on the results of surgical treatment were prospectively assessed in 2,788 children consecutively operated for congenital heart defects (CHD) between 1986 and 1992. The o...

journal_title：Cardiology

authors： Marek J,Skovránek J,Hucín B,Chaloupecký V,Tax P,Reich O,Samánek M

更新日期：1995-01-01 00:00:00

abstract：:The arterial blood pressure is integrated into a feedback control system and practically depends on three parameters, i. e. blood volume, heart dynamics, and peripheral resistance. When circulation is disturbed in the orthostatic, the correcting elements heart and vessels have to adapt themselves according to this dem...

journal_title：Cardiology

authors： Rieckert H

更新日期：1976-01-01 00:00:00

abstract：BACKGROUND:Angiotensin II (Ang II) plays an important role in cardiovascular disease. It also leads to the activation of coagulation. The coagulation protease thrombin induces cellular responses by activating protease-activated receptor 1 (PAR-1). We investigated whether PAR-1 contributes to Ang II-induced cardiovascul...

journal_title：Cardiology

authors： Antoniak S,Cardenas JC,Buczek LJ,Church FC,Mackman N,Pawlinski R

更新日期：2017-01-01 00:00:00

abstract：:Unstable angina is an acute coronary syndrome characterized by the rapid progression of clinical symptoms which may culminate in acute myocardial infarction, infarct extension or sudden death. The pathologic substrate involves atherosclerotic plaque rupture with platelet deposition, thrombus formation and coronary art...

journal_title：Cardiology

authors： Becker RC,Gore JM,Alpert JS

更新日期：1989-01-01 00:00:00

abstract：OBJECTIVES:To compare weight loss efficacy, safety and tolerability of sibutramine and placebo in mildly to moderately obese hypertensive subjects; to assess the effect of weight loss on blood pressure. DESIGN:Randomized, double-blind, parallel-group; 3-week placebo run-in and 12-week treatment phase. SETTING:Nine ho...

journal_title：Cardiology

authors： Hazenberg BP

更新日期：2000-01-01 00:00:00

abstract：:We investigated the incidence and determinants of early and late repeat hospitalization for cardiac causes in 378 patients following myocardial revascularization [199 coronary balloon angioplasty (PTCA), 179 coronary bypass surgery (CABG)] in a single cardiovascular center and followed for a median period of 13 years....

journal_title：Cardiology

authors： Halon DA,Rennert HS,Flugelman MY,Jaffe R,Lewis BS

更新日期：2002-01-01 00:00:00

abstract：:Angina pectoris due to coronary artery disease is a common manifestation of myocardial ischemia. Reduction of oxygen demand (beta-blockers) and relief of coronary vasoconstriction (calcium blocker or nitrate) are additive approaches to controlling ischemia. Risk factor reduction may improve coronary vascular physiolog...

journal_title：Cardiology

authors： Parmley WW

更新日期：1997-01-01 00:00:00

abstract：INTRODUCTION:There is no consensus regarding the natural history of rheumatic mitral stenosis (MS) among adults presenting with nonsevere disease. This study aims to describe the progression of stenosis among adult rheumatic MS patients, to identify predictive factors for progression, and to assess the incidence of com...

journal_title：Cardiology

authors： Bitan A,Mazor-Dray E,Weinstein JM,Carmel S,Ilia R

更新日期：2020-01-01 00:00:00

abstract：PURPOSE:It was the purpose of this study to demonstrate the feasibility of performing coronary artery flow and coronary flow reserve (CFR) measurements in normal human volunteers using a magnetic resonance (MR) phase contrast technique. MATERIALS AND METHODS:Coronary flow rate, flow velocity, peak flow and CFR were de...

journal_title：Cardiology

authors： Grist TM,Polzin JA,Bianco JA,Foo TK,Bernstein MA,Mistretta CM

更新日期：1997-01-01 00:00:00

abstract：BACKGROUND:Closure of the fibrillating left atrial appendage (LAA) has been recommended during valve surgery to decrease the risk of arterial embolism. However, patients undergoing surgical LAA closure have not systematically been reevaluated for complete LAA obliteration. METHODS AND RESULTS:During a 12-month period,...

journal_title：Cardiology

authors： Schneider B,Stollberger C,Sievers HH

更新日期：2005-01-01 00:00:00

abstract：:Mass screening for heart disease in children can be accomplished by automatic analysis of phonocardiograms (PCG) obtained from five routine auscultation points. An ECG signal serves as reference. PCG signals exceeding 20% of the amplitude of the first heart sound S1 in the diastolic interval and 40% of S1 in the systo...

journal_title：Cardiology

authors： Ninova PP,Dascalov IK,Dimitrova MI

更新日期：1978-01-01 00:00:00

abstract：:Abnormal systolic anterior (SAM) motion of the mitral valve without asymmetric hypertrophy of the interventricular septum was observed in 16 patients (group 1). 5 of the 16 patients had no other evidence of heart disease and the remaining 11 had a variety of cardiac disorders. Left ventricular dimensions, septal and p...

journal_title：Cardiology

authors： Udoshi M,Shah A,Fisher VJ,Dolgin M

更新日期：1980-01-01 00:00:00

abstract：OBJECTIVES:Myocardial infarction (MI) may be classified as ST elevation MI (STEMI) or non-ST elevation MI (NSTEMI). Procoagulants such as plasminogen activator inhibitor-1 (PAI-1) as well as markers of inflammation such as C-reactive protein (CRP), serum amyloid A (SAA) and interleukin-6 (IL-6) are elevated in acute co...

journal_title：Cardiology

authors： Rott D,Leibowitz D,Finci-Yeheskel Z,Barak V,Chajek-Shaul T,Weiss T,Levin M,Urieli-Shoval S

更新日期：2009-01-01 00:00:00

abstract：:Nitrovasodilators relax vascular smooth muscle by stimulating soluble guanylate cyclase (GC). The resulting rise in cGMP probably initiates Ca extrusion from the smooth muscle cell which causes relaxation. Since repeated administration of organic nitrates, particularly nitroglycerin, leads to tolerance, i.e. a decreas...

journal_title：Cardiology

authors： Kukovetz WR,Holzmann S,Romanin C

更新日期：1987-01-01 00:00:00

abstract：:Ulcers in extracranial carotid arteries are a known source of cerebral embolism. However, there are no data available on the prevalence of ulcerations located at the origin of these vessels in the aortic arch. Therefore, in this pathological study the topographic distribution of ulcerated lesions were determined in th...

journal_title：Cardiology

authors： Khatibzadeh M,Sheikhzadeh A,Gromoll B,Stierle U

更新日期：1998-03-01 00:00:00

abstract：:A sixteen-year-old male presented with symptoms and investigations suggestive of acute myocardial infarction. The patient had suffered from a varicella zoster infection 5 days prior to presentation. Varicella myocarditis was suspected and diagnosed following treatment and positive varicella serology. This case highlig...

journal_title：Cardiology

authors： Kelly E,Cullen G,McGurk C

更新日期：2008-01-01 00:00:00