Application of noninvasive techniques for measuring cardiac output in hypertensive patients.

abstract：:Sequential bedside electrophysiologic testing was performed over 22 hours at intervals of 1 to 2 hours in 13 patients with left-sided Kent bundles to assess possible daily variations in the capacity to electrically induce reciprocating tachycardia. In all patients the tachycardia involved the accessory pathway in retr...

journal_title：American heart journal

authors： Cinca J,Moya A,Bardají A,Figueras J,Rius J

更新日期：1987-08-01 00:00:00

abstract：:One hundred patients inducible at electrophysiologic studies underwent serial drug testing with procainamide, lidocaine, and lorcainide to determine comparative efficacy. Acute intravenous administration was followed by repeat programmed electrical stimulation (PES) studies on separate days for each antiarrhythmic dru...

journal_title：American heart journal

authors： Somberg J,Butler B,Flowers D,Keefe D,Torres V,Miura D

更新日期：1985-01-01 00:00:00

abstract：BACKGROUND:The major structural characteristic of congestive heart failure is myocardial cell death. The aim of our study was to determine whether the level of cardiac troponin T, a protein specific for cardiac necrosis, was increased in patients with congestive heart failure. METHODS AND RESULTS:Plasma samples were o...

journal_title：American heart journal

authors： Missov E,Mair J

更新日期：1999-07-01 00:00:00

abstract：:The American Cancer Society's prospective study of 1 million Americans was analyzed to determine whether coronary heart disease (CHD) mortality rates by cigarette smoking in blacks differed from those in whites. More than 22,000 blacks were followed up for nearly 200,000 person-years in the 12-year study, 1960-1972. A...

journal_title：American heart journal

authors： Garfinkel L

更新日期：1984-09-01 00:00:00

abstract：:Acute myocardial infarction (MI) patients remain at high risk for recurrent events. Cholesterol efflux, mediated by apolipoprotein A-I, removes excess cholesterol from atherosclerotic plaque and transports it to the liver for excretion. Impaired cholesterol efflux is associated with higher cardiovascular (CV) event ra...

journal_title：American heart journal

authors： Gibson CM,Kastelein JJP,Phillips AT,Aylward PE,Yee MK,Tendera M,Nicholls SJ,Pocock S,Goodman SG,Alexander JH,Lincoff AM,Bode C,Duffy D,Heise M,Berman G,Mears SJ,Tricoci P,Deckelbaum LI,Steg PG,Ridker P,Mehran R

更新日期：2021-01-01 00:00:00

abstract：:To evaluate the risk factors for coronary disease, 345 women, aged 35 to 59 years, who had undergone coronary arteriography for suspected coronary disease completed a mail questionnaire, telephone interview, or both. Two hundred eight women with angiographically normal coronary arteries constituted the control group, ...

journal_title：American heart journal

authors： McFarland KF,Boniface ME,Hornung CA,Earnhardt W,Humphries JO

更新日期：1989-06-01 00:00:00

abstract：BACKGROUND:The objective was to report recent trends in the incidence, adoption of evidence-based treatment, and clinical outcomes for first-time hospitalization for acute myocardial infarction. METHODS:This is a large retrospective population-based cohort study using medical administrative data (International Classif...

journal_title：American heart journal

authors： Ortolani P,Marino M,Melandri G,Guastaroba P,Corzani A,Berti E,Rapezzi C,De Palma R,Branzi A

更新日期：2013-11-01 00:00:00

abstract：BACKGROUND:Women have been underrepresented in randomized trials of implantable cardioverter defibrillator (ICD) therapy, and limited data suggest that women may not benefit from prophylactic ICD implantation to the same extent as men. In the Defibrillators in Non-Ischemic Cardiomyopathy Treatment Evaluation (DEFINITE)...

journal_title：American heart journal

authors： Albert CM,Quigg R,Saba S,Estes NA 3rd,Shaechter A,Subacius H,Howard A,Levine J,Kadish A,DEFINITE Investigators.

更新日期：2008-08-01 00:00:00

abstract：:The antiarrhythmic effect of nadolol, a long-acting, nonselective beta antagonist without intrinsic sympathomimetic or membrane-stabilizing properties, was evaluated in 36 patients with ventricular dysrhythmias as determined by three baseline 24-hour Holter recordings at a time when subjects were receiving placebo. Na...

journal_title：American heart journal

authors： Nademanee K,Schleman MM,Singh BN,Morganroth J,Reid PR,Stritar JA

更新日期：1984-10-01 00:00:00

abstract：:A morphologic study of 466 cardiac mural thrombi, 66 examples of nonbacterial thrombotic endocarditis, 25 myxomas, and 12 papillary endocardial lesions was performed. It appeared that three different sequences of organization of endocardial thrombi are possible. (1) Ordinary mural thrombi are converted into a flat, fi...

journal_title：American heart journal

authors： Salyer WR,Page DL,Hutchins GM

更新日期：1975-01-01 00:00:00

abstract：BACKGROUND:Familial dilated cardiomyopathy (FDCM) is attributed to defects in cytoskeletal proteins, and different patterns of inheritance and phenotypic expressions according to assorted-protein modifications have been identified to date. We describe a clinical family study with 24 individuals in 3 generations affecte...

journal_title：American heart journal

authors： Oropeza ES,Cadena CN

更新日期：2003-02-01 00:00:00

abstract：:Epinephrine increases coronary blood flow but may not improve the balance between myocardial oxygen supply and demand during cardiopulmonary resuscitation (CPR). The objective of this study was to determine whether this balance can be improved by administering a relatively pure alpha-adrenergic vasoconstrictor, alone ...

journal_title：American heart journal

authors： Ditchey RV,Slinker BK

更新日期：1994-02-01 00:00:00

abstract：:The addition of IAC to otherwise standard CPR provides for the application of external pressure over the abdomen in counterpoint to the rhythm of chest compression. Interposed abdominal compression is a simple manual technique that can supplement the use of adrenergic drugs to increase both coronary perfusion pressure...

journal_title：American heart journal

authors： Babbs CF,Sack JB,Kern KB

更新日期：1994-02-01 00:00:00

abstract：:Cross-sectional echocardiography identified two abnormal patterns of mitral valve closure in 14 patients with mitral regurgitation due to papillary muscle dysfunction: (1) in three patients with an akinetic inferior-posterior wall but normal cavity size, papillary muscle fibrosis was associated with late systolic mitr...

journal_title：American heart journal

authors： Ogawa S,Hubbard FE,Mardelli TJ,Dreifus LS

更新日期：1979-03-01 00:00:00

abstract：:The clinical spectrum and outcome of 119 patients with acute non-Q wave myocardial infarction (NQMI) were studied, in comparison with those of 354 patients with acute Q wave myocardial infarction (QMI). The patients with NQMI had a significantly higher incidence of preinfarction angina (73% vs 63%), previous myocardia...

journal_title：American heart journal

authors： Ogawa H,Hiramori K,Haze K,Saito M,Sumiyoshi T,Fukami K,Goto Y,Ikeda M

更新日期：1986-03-01 00:00:00

abstract：BACKGROUND:Practice guidelines for patients with non-ST-segment elevation (NSTE) acute coronary syndromes (ACS) recommend targeting evidence-based therapies for the highest-risk patients. We characterized guideline adherence for NSTE ACS by risk status. METHODS:We analyzed inhospital treatments and outcomes for 77760 ...

journal_title：American heart journal

authors： Roe MT,Peterson ED,Newby LK,Chen AY,Pollack CV Jr,Brindis RG,Harrington RA,Christenson RH,Smith SC Jr,Califf RM,Braunwald E,Gibler WB,Ohman EM

更新日期：2006-06-01 00:00:00

abstract：BACKGROUND:The timely and accurate identification of symptoms of acute coronary syndrome (ACS) is a challenge for patients and clinicians. It is unknown whether response times and clinical outcomes differ with specific symptoms. We sought to identify which ACS symptoms are related-symptom clusters-and to determine if s...

journal_title：American heart journal

authors： Riegel B,Hanlon AL,McKinley S,Moser DK,Meischke H,Doering LV,Davidson P,Pelter MM,Dracup K

更新日期：2010-03-01 00:00:00

abstract：:Quantitation of coronary luminal diameter with a 20 MHz mechanically rotating intravascular ultrasound (IVUS) catheter was compared with orthogonal-view cineangiography by use of a semiautomated edge-detection algorithm in 48 patients undergoing coronary angioplasty. Quantitative comparison of 196 matched segments was...

journal_title：American heart journal

authors： De Scheerder I,De Man F,Herregods MC,Wilczek K,Barrios L,Raymenants E,Desmet W,De Geest H,Piessens J

更新日期：1994-02-01 00:00:00

abstract：:We developed a new angiographic score of the extent of coronary disease (extent score), which we compared with conventional stenosis and vessel scores that emphasize the severity of stenosis. Scores were determined in 132 patients (29 women, 103 men with a mean age of 55 +/- 10 years) who underwent elective coronary a...

journal_title：American heart journal

authors： Sullivan DR,Marwick TH,Freedman SB

更新日期：1990-06-01 00:00:00

abstract：OBJECTIVE:The purpose of this study was to estimate the cost-effectiveness of beta-blocker therapy with either metoprolol or carvedilol in addition to conventional therapy for patients with heart failure (HF) in Canada. DESIGN:A Markov simulation was used to estimate the costs and life expectancy for treating patients...

journal_title：American heart journal

authors： Levy AR,Briggs AH,Demers C,O'Brien BJ

更新日期：2001-09-01 00:00:00

abstract：OBJECTIVES:SUPPORT-HF 2 tests the hypothesis that home monitoring with information technology-supported specialist management is more effective in optimizing medical therapy than is home monitoring alone for patients with heart failure. METHODS AND RESULTS:The study was designed as a 2-armed partially blinded parallel...

journal_title：American heart journal

authors： SUPPORT-HF 2 Investigators and Committees. Electronic address: kazem.rahimi@georgeinstitute.ox.ac.uk.

更新日期：2019-02-01 00:00:00

abstract：BACKGROUND:Epidemiologic studies suggest that inhibition of renin-angiotensin system with angiotensin-converting enzyme inhibitors and angiotensin receptor blockers may prevent development of atrial fibrillation (AF). OBJECTIVE:The objective of the study was to assess if there is significant indication for using angio...

journal_title：American heart journal

authors： Anand K,Mooss AN,Hee TT,Mohiuddin SM

更新日期：2006-08-01 00:00:00

abstract：:To determine whether the first postpacing interval after entrainment was affected by recording and pacing sites, overdrive atrial pacing was undertaken in 13 episodes of atrial flutter with a mean flutter cycle length (FCL) of 140 +/- 8 msec induced in seven dogs. Atrial flutter was induced by means of an anatomic obs...

journal_title：American heart journal

authors： Inoue H,Toda I,Saihara S,Sugimoto T

更新日期：1989-09-01 00:00:00

abstract：:The aim of this study was to determine whether paroxysmal atrial fibrillation (PAF) and/or restoration to sinus rhythm with electric or pharmacologic cardioversion induce modifications to the coagulation system. Thirty-five patients with PAF undergoing either electric (n = 11) or pharmacologic (n = 24) cardioversion w...

journal_title：American heart journal

authors： Giansante C,Fiotti N,Miccio M,Altamura N,Salvi R,Guarnieri G

更新日期：2000-09-01 00:00:00

abstract：BACKGROUND:Fractional flow reserve (FFR) has become a gold standard in physiological assessment of coronary artery stenosis. An FFR < 0.75 is considered as a reliable physiological parameter indicating functionally significant lesion. Lesion length (LL) may affect the translesional hemodynamics. However, the effect of ...

journal_title：American heart journal

authors： Brosh D,Higano ST,Lennon RJ,Holmes DR Jr,Lerman A

更新日期：2005-08-01 00:00:00

abstract：:To assess the influence of viscosity and iodine concentration, three matched and standardized left coronary arteriograms were obtained in 20 patients using iopamidol (Isovue-370), ioversol (Optiray-320), and iohexol (Omnipaque-350). The order of contrast media was randomized and the administration of contrast was doub...

journal_title：American heart journal

authors： Kern MJ,Roth RA,Aguirre FV,Beauman G,Vogel R

更新日期：1992-01-01 00:00:00

abstract：:Limited data are available on mitral valve replacement in the elderly patient. Therefore we report our 10-year experience including predictors of perioperative mortality and subsequent long-term cardiac mortality in elderly patients with mitral valve replacement compared to younger patients. Of the 126 consecutive pat...

journal_title：American heart journal

authors： Nair CK,Biddle WP,Kaneshige A,Cook C,Ryschon K,Sketch MH Sr

更新日期：1992-07-01 00:00:00

abstract：BACKGROUND:Statins are effective in the prevention of coronary events and the treatment of acute coronary syndromes. However, their efficacy and safety in patients with heart failure (HF) are unknown. In this review, we discuss the evidence for the efficacy and safety of statin therapy in patients with HF. METHODS:We ...

journal_title：American heart journal

authors： Raina A,Pickering T,Shimbo D

更新日期：2006-07-01 00:00:00

abstract：INTRODUCTION:Despite known associations between obesity and cardiovascular disease, the relationship between obesity as reflected by body mass index (BMI) and angiographic coronary artery disease (CAD) is not fully understood. Moreover, this relationship has not been adequately defined in black patients, a group demons...

journal_title：American heart journal

authors： Stalls CM,Triplette MA,Viera AJ,Pathman DE,Cohen MG,Rossi JS

更新日期：2014-04-01 00:00:00

abstract：:A multiprogrammable automatic antitachycardia pacemaker (Cybertach-60), connected to a tined "J" wire electrode, was positioned in the right atrial appendage in three patients with recurrent supraventricular tachycardia (SVT). Mechanisms of SVT included atrioventricular (AV) nodal reentry (two patients) and reciprocat...

journal_title：American heart journal

authors： Lerman BB,Waxman HL,Buxton AE,Sweeney M,Josephson ME

更新日期：1983-11-01 00:00:00