Correlation between the signal-averaged electrocardiogram and electrophysiologic study findings in patients with coronary artery disease and sustained ventricular tachycardia.

abstract：:We investigated the incidence and mechanism of pulmonary artery hypertension (PAH) in a consecutive series of patients with aortic stenosis who were undergoing diagnostic cardiac catheterization. Forty-five patients with severe aortic stenosis were divided into two groups: group 1 comprised 13 patients (29%) with PAH ...

journal_title：American heart journal

authors： Silver K,Aurigemma G,Krendel S,Barry N,Ockene I,Alpert J

更新日期：1993-01-01 00:00:00

abstract：:The pathophysiologic features and clinical manifestations of HCM have been elucidated by the introduction of several new diagnostic options. Knowledge of the molecular defects of HCM has advanced rapidly, and genetic screening studies have reemphasized the value of the standard electrocardiogram as an initial screenin...

journal_title：American heart journal

authors： Posma JL,van der Wall EE,Blanksma PK,van der Wall E,Lie KI

更新日期：1996-11-01 00:00:00

abstract：:Echocardiography was performed on 26 patients with prosthetic Björk-Shiley aortic valves (BSAV). Technically satisfactory records were obtained in 22 patients. The systolic displacement of the valve disc varied from 1 to 1.8 cm. (mean, 1.4 cm.). Six patients developed valve dysfunction. Two patients had complete absen...

journal_title：American heart journal

authors： Chandraratna PA,Lopez JM,Hildner FJ,Samet P,Ben-Zvi J

更新日期：1976-03-01 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：BACKGROUND:In animal models, physical activity (PA) prevents cardiac myocyte cell death. Data for PA mitigating myocyte injury in humans are limited to observational studies. Using a randomized controlled trial design, we sought to determine if introducing moderate PA to previously sedentary older adults could reduce t...

journal_title：American heart journal

authors： deFilippi CR,de Lemos JA,Newman AB,Guralnik JM,Christenson RH,Pahor M,Church T,Espeland M,Krithevsky SB,Stafford R,Seliger SL,LIFE Study Group.

更新日期：2016-09-01 00:00:00

abstract：:M-mode echocardiograms were obtained in 48 patients with complete left bundle branch block (LBBB). Of these 48 patients, 28 had LBBB with normal frontal plane QRS axis (-20 degrees to +90 degrees, mean +/- SD 18 degrees +/- 34 degrees), and 20 had LBBB with a left axis deviation (LAD) (-30 degrees to -60 degrees, mean...

journal_title：American heart journal

authors： Strasberg B,Rich S,Lam W,Swiryn S,Bauernfeind R,Rosen KM

更新日期：1982-10-01 00:00:00

abstract：:Tolerance to prolonged nitroglycerin (NTG) may be due to drug-induced intravascular expansion. To test the hypothesis that concomitant diuretics may reduce volume expansions and thus prevent NTG tolerance, we studied 23 healthy volunteers randomized to hydrochlorthiazide or placebo before and during 74-hour continuous...

journal_title：American heart journal

authors： Mohanty N,Wasserman AG,Walker P,Katz RJ

更新日期：1995-09-01 00:00:00

abstract：:A large series of 306 patients with ischemic heart disease was studied with automated systolic time intervals and left ventricular ejection fraction as determined by the angiocardiographic method. It was found the pre-ejection period, left ventricular ejection time, delta values, and PEP/LVET ratio all were related to...

journal_title：American heart journal

authors： Swatzell RH Jr,Bancroft WH Jr,Baldone JC Jr,Tucker MS

更新日期：1977-04-01 00:00:00

abstract：BACKGROUND:Familial hypertrophic cardiomyopathy (HCM) is a clinically and genetically heterogeneous disease of the sarcomere. Molecular genetic studies have shown that familial HCM involves mutations in 8 different genes that encode proteins of the myofibrillar apparatus. METHODS:We thoroughly searched these genes to ...

journal_title：American heart journal

authors： Lee W,Hwang TH,Kimura A,Park SW,Satoh M,Nishi H,Harada H,Toyama J,Park JE

更新日期：2001-02-01 00:00:00

abstract：BACKGROUND:Studies document better survival in heart failure patients with decreased left ventricular ejection fraction (EF) and higher body mass index (BMI; kg/m(2)) compared to those with a lower BMI. However, it is unknown if this "obesity paradox" applies to heart failure patients with preserved EF or if it extends...

journal_title：American heart journal

authors： Kapoor JR,Heidenreich PA

更新日期：2010-01-01 00:00:00

abstract：BACKGROUND:This study examines how the dissemination of stenting and procedural shifts to high-volume facilities have affected short-term outcomes after percutaneous coronary intervention (PCI). METHODS:Discharge information from the 1994 and 1997 US Nationwide Inpatient Sample was used. Data from 1994 involved 84,036...

journal_title：American heart journal

authors： Watanabe CT,Maynard C,Ritchie JL

更新日期：2002-08-01 00:00:00

abstract：:A double-blind multicenter study compared oral acebutolol (n = 182) with hydrochlorothiazide (n = 178) in the treatment of mild to moderate essential hypertension (diastolic blood pressure 95 to 114 mm Hg). Both agents produced significant and comparable reductions in systolic, diastolic, and mean arterial blood press...

journal_title：American heart journal

authors： Wahl J,Singh BN,Thoden WR

更新日期：1986-02-01 00:00:00

abstract：BACKGROUND:After the Mustard or Senning procedure, adults with transposition of the great arteries may have right ventricular failure and require consideration of new therapies. A 2-stage arterial switch operation (ASO) may be performed as an alternative to heart transplantation. This procedure is relatively successful...

journal_title：American heart journal

authors： Benzaquen BS,Webb GD,Colman JM,Therrien J

更新日期：2004-03-01 00:00:00

abstract：BACKGROUND:A previous randomized controlled trial evaluating the use of spironolactone in heart failure patients reported a low risk of hyperkalemia (2%) and renal insufficiency (0%). Because treatments for heart failure have changed since the benefits of spironolactone were reported, the prevalence of these complicati...

journal_title：American heart journal

authors： Tamirisa KP,Aaronson KD,Koelling TM

更新日期：2004-12-01 00:00:00

abstract：:Left ventricular topography and diastolic and systolic functions were studied in 41 patients with essential hypertension (group 1) and 33 age-matched normal adults (group 2) by Doppler echocardiography. In group 1 54% had LV concentric hypertrophy, 19% had combined concentric hypertrophy and eccentric remodeling, and ...

journal_title：American heart journal

authors： Ren JF,Pancholy SB,Iskandrian AS,Lighty GW Jr,Mallavarapu C,Segal BL

更新日期：1994-04-01 00:00:00

abstract：:To determine whether cholinergic mechanisms contribute to blood pressure responses during arterial baroreflex inhibition and stimulation, we assessed the effects of atropine on pressor and depressor responses during and after release of the Valsalva maneuver, upon administration of intravenous phenylephrine and nitrog...

journal_title：American heart journal

authors： Goldstein DS,Keiser HR

更新日期：1984-05-01 00:00:00

abstract：:The relation of alcohol consumption to coronary heart disease (CHD) was examined in a cohort of 1910 employed men aged 38 to 55 years enrolled in the Albany Study, a prospective investigation of factors related to cardiovascular disease. Two follow-up periods were examined, one between 1953-54 and 1971-72, the other a...

journal_title：American heart journal

authors： Gordon T,Doyle JT

更新日期：1985-08-01 00:00:00

abstract：:The detection of premature ectopic beats coinciding with the T-wave of the antecedent beat is important for patient monitoring. In the method described here, the difficulties of direct measurement of QT time are avoided by evaluating the changes of QT time according to heart rate by use of a diode function generator. ...

journal_title：American heart journal

authors： Breithardt G,Loogen F,Schmiel FK,Seipel L

更新日期：1975-06-01 00:00:00

abstract：BACKGROUND:Although hospital admissions during weekends have been associated with worse quality of care and worse outcomes in some but not all medical conditions, the impact of weekend versus weekday admission and discharge for heart failure (HF) has not been well studied. This study investigates the association of (1)...

journal_title：American heart journal

authors： Horwich TB,Hernandez AF,Liang L,Albert NM,Labresh KA,Yancy CW,Fonarow GC,Get With Guidelines Steering Committee and Hospitals.

更新日期：2009-09-01 00:00:00

abstract：:We studied the diagnostic value of exercise electrocardiographic (ECG) testing in 191 patients who were completely asymptomatic 6 months after a successful percutaneous transluminal coronary angioplasty procedure. With > 70%- and > 50%-diameter stenosis at follow-up as restenosis criteria, the sensitivities of exercis...

journal_title：American heart journal

authors： Desmet W,De Scheerder I,Piessens J

更新日期：1995-03-01 00:00:00

abstract：:The prevalence of heart failure (HF) is high and still on the rise. In 2004, an estimated 5.2 million adults in the United States carried the diagnosis of HF with a mortality rate of >19%. The incidence of HF is higher in individuals 65 years or older. As the US population grows older, the personal and economic costs ...

journal_title：American heart journal

authors： Gradman AH,Papademetriou V

更新日期：2009-06-01 00:00:00

abstract：BACKGROUND:In adults, the most common cause of out-of-hospital cardiac arrests (OHCA) is acute coronary artery occlusion. If an immediate coronary angiogram (CAG) is recommended for survivors presenting a ST segment elevation on the electrocardiogram (ECG) performed after resuscitation, there is still a debate regardin...

journal_title：American heart journal

authors： Hauw-Berlemont C,Lamhaut L,Diehl JL,Andreotti C,Varenne O,Leroux P,Lascarrou JB,Guerin P,Loeb T,Roupie E,Daubin C,Beygui F,Vilfaillot A,Glippa S,Djadi-Prat J,Chatellier G,Cariou A,Spaulding C,EMERGE investigators.

更新日期：2020-04-01 00:00:00

abstract：BACKGROUND:We review our 10-year experience of mitral valve (MV) repair in comparison with MV replacement in the elderly for floppy mitral valves/mitral valve prolapse (FMV/MVP). The use of MV repair for this entity has not been fully utilized by surgeons. METHODS:Two hundred ninety-two consecutive patients aged > or ...

journal_title：American heart journal

authors： Gogbashian A,Sepic J,Soltesz EG,Nascimben L,Cohn LH

更新日期：2006-06-01 00:00:00

abstract：BACKGROUND:Acute heart failure (AHF) remains a major public health burden with a high prevalence and poor prognosis. Relaxin is a naturally occurring peptide hormone that increases cardiac output, arterial compliance, and renal blood flow during pregnancy. The RELAX-AHF-1 study will evaluate the effect of RLX030 (recom...

journal_title：American heart journal

authors： Ponikowski P,Metra M,Teerlink JR,Unemori E,Felker GM,Voors AA,Filippatos G,Greenberg B,Teichman SL,Severin T,Mueller-Velten G,Cotter G,Davison BA

更新日期：2012-02-01 00:00:00

abstract：OBJECTIVE:To date, few studies have evaluated asymptomatic patients with organic mitral regurgitation (MR). The goal of the present study was to assess the presence of independent predictive factors for progression of symptoms and/or left ventricular dysfunction (SLVSD) in this population. METHODS:We prospectively eva...

journal_title：American heart journal

authors： Krauss J,Pizarro R,Oberti PF,Falconi M,Cagide A

更新日期：2006-11-01 00:00:00

abstract：:Forty-eight patients with predominant aortic stenosis underwent His bundle electrography (HBE) at the time of diagnostic catheterization. Patients were divided into four groups based upon severity of calcification of the aortic valve fluoroscopically as judged independently by three angiographers. Of 48 patients, thre...

journal_title：American heart journal

authors： MacMillan RM,Demorizi NM,Gessman LJ,Maranhao V

更新日期：1985-07-01 00:00:00

abstract：BACKGROUND:Little is known on the "very" long-term incidence of major adverse cardiac events (MACE), target-lesion revascularization (TLR), target-vessel revascularization and stent thrombosis after sirolimus-eluting stent (SES) implantation. We present the first study to provide a 10-year clinical follow-up in an unse...

journal_title：American heart journal

authors： Palhais N,Arroyo D,Lehmann S,Togni M,Kaufmann U,Puricel SG,Stauffer JC,Goy JJ,Cook S

更新日期：2014-06-01 00:00:00

abstract：BACKGROUND:Endothelial progenitor cells (EPCs) are present in peripheral blood and can promote postnatal angiogenesis. The number and function of circulating EPCs are altered in diabetics. This study sought to investigate whether the number and functional properties of EPCs from patients with type II diabetes could be ...

journal_title：American heart journal

authors： Wang CH,Ting MK,Verma S,Kuo LT,Yang NI,Hsieh IC,Wang SY,Hung A,Cherng WJ

更新日期：2006-12-01 00:00:00

abstract：:Because limited information is available on significant arrhythmias after myocardial infarction in pediatric patients, this study was performed to determine the incidence and impact of ventricular tachycardia or fibrillation on the postinfarction course in patients aged 1 day to 16 years. Review of 96 such children sh...

journal_title：American heart journal

authors： Johnsrude CL,Towbin JA,Cecchin F,Perry JC

更新日期：1995-06-01 00:00:00

abstract：:Incidence of myonecrosis in patients undergoing rotational atherectomy was evaluated by preprocedural statin use. The incidence of any myonecrosis (24.1% vs 52.3%, P < .001) or significant myonecrosis (7.5% vs 21.8%, P < .001) was significantly lower among patients pretreated with statins. This difference remained sig...

journal_title：American heart journal

authors： Gurm HS,Breitbart Y,Vivekanathan D,Yen MH,Fathi R,Ziada KM,Whitlow PL,Ellis SG

更新日期：2006-05-01 00:00:00