T wave abnormalities in top-ranking athletes: effects of isoproterenol, atropine, and physical exercise.

abstract：:The short-term hemodynamic effects of molsidomine (4 mg sublingually) were evaluated in 13 patients with congestive heart failure following acute myocardial infarction. Right heart catheterization was performed by means of a Swan-Ganz thermodilution catheter. Hemodynamic measurements were made 30, 60, 120, and 180 min...

journal_title：American heart journal

authors： Cantelli I,Lolli C,Brunelli A,Bracchetti D

更新日期：1985-03-01 00:00:00

abstract：:Left ventricular mass (LVM) measurements made by the truncated ellipsoid algorithm from clinical two-dimensional echocardiograms (2DE) were compared to autopsy weights in 37 patients. All six 2DE instruments were calibrated with an ultrasound phantom to standardize LVM measurements. Measurements were made by an experi...

journal_title：American heart journal

authors： Byrd BF 3rd,Finkbeiner W,Bouchard A,Silverman NH,Schiller NB

更新日期：1989-07-01 00:00:00

abstract：BACKGROUND:Advanced age is a well-established prognostic risk factor after acute myocardial infarction (AMI), yet approximately 10% of MIs occur in patients <45 years. We examined characteristics, cardiovascular outcomes, and the influence of risk factors on outcomes in young survivors of AMI. METHODS:Fourteen thousan...

journal_title：American heart journal

authors： Anderson RE,Pfeffer MA,Thune JJ,McMurray JJ,Califf RM,Velazquez E,White HD,Rouleau JL,Skali H,Maggioni A,Solomon SD

更新日期：2008-04-01 00:00:00

abstract：BACKGROUND:Enhanced external counterpulsation (EECP) reduces angina and extends time to exercise-induced ischemia in patients with symptomatic coronary disease. One- and two-center studies and a retrospective case series reported that EECP improves myocardial perfusion in stable angina pectoris. We sought to critically...

journal_title：American heart journal

authors： Michaels AD,Raisinghani A,Soran O,de Lame PA,Lemaire ML,Kligfield P,Watson DD,Conti CR,Beller G

更新日期：2005-11-01 00:00:00

abstract：:The effects and possible mechanisms of actions of indomethacin on systemic and coronary hemodynamics were studied in 17 patients with coronary artery disease. Group I patients (12) were given either indomethacin or placebo in the absence of prior cyclooxygenase inhibition and group II (five) were given indomethacin af...

journal_title：American heart journal

authors： Forman MB,Uderman H,Jackson EK,Roy L,Bostick D,Robertson D,Robertson RM

更新日期：1985-08-01 00:00:00

abstract：BACKGROUND:Insulin, in addition to its known metabolic effects, has sympatho-excitatory and vasodilatory actions on muscular blood vessels. The goal of this study was to evaluate insulin sensitivity in young women with vasovagal syncope and positive tilt test results (HUT+) and to compare it with that in patients with ...

journal_title：American heart journal

authors： Ruiz GA,Calvar C,Hermes R,Rivadeneira D,Bengolea V,Chirife R,Tentori MC,Gelpi RJ

更新日期：2003-05-01 00:00:00

abstract：:The hemodynamic hallmark of hypertension is increased systemic vascular resistance, although this variable is usually not determined in hypertensive patients because it has generally required invasive procedures to measure cardiac output. Reliable, totally noninvasive methods are now available that measure cardiac out...

journal_title：American heart journal

authors： Franciosa JA

更新日期：1988-08-01 00:00:00

abstract：:To determine the prevalence and significance of exercise-induced localized perfusion defects in symptomatic patients with aortic valve disease, thallium-201 rest and exercise studies were performed in a consecutive series of 29 such patients prior to left heart catheterization with coronary arteriography. Eight patien...

journal_title：American heart journal

authors： Pfisterer M,Müller-Brand J,Bründler H,Cueni T

更新日期：1982-01-01 00:00:00

abstract：BACKGROUND:Biolimus-eluting stents (BESs) with a biodegradable polymer in abluminal coating achieve more complete coverage at 9 months compared with sirolimus-eluting stents (SESs) with a durable polymer, as assessed by optical coherence tomography (OCT). Whether this advantage persists or augments after complete resor...

journal_title：American heart journal

authors： Gutiérrez-Chico JL,Jüni P,García-García HM,Regar E,Nüesch E,Borgia F,van der Giessen WJ,Davies S,van Geuns RJ,Secco GG,Meis S,Windecker S,Serruys PW,di Mario C

更新日期：2011-11-01 00:00:00

abstract：:The extent and time course of recovery of left ventricular function were investigated in 29 patients with no previous symptoms who had acute nonischemic congestive cardiomyopathy and left ventricular ejection fraction of 0.22 +/- 0.07. Improvement in left ventricular ejection fraction by at least 0.05 was observed in ...

journal_title：American heart journal

authors： Cross AM Jr,Steenbergen C,Higginbotham MB

更新日期：1995-01-01 00:00:00

abstract：:Eight patients with multifocal atrial tachycardia received 7 to 12 gm of magnesium sulfate intravenously over a 5-hour period. Potassium supplements were given initially or added later. Initial arterial blood gases showed mean pH 7.48 +/- 0.03, PcO2 39.7 torr, PO2 72 torr, HCO-3 29.8 +/- 4.5 mEq/L, and base excess 6.8...

journal_title：American heart journal

authors： Iseri LT,Fairshter RD,Hardemann JL,Brodsky MA

更新日期：1985-10-01 00:00:00

abstract：:The presence of a large ventricular septal defect (VSD) may affect the surgical treatment of congenital heart defects. VSD size and shape by two-dimensional echocardiography (2DE) and at autopsy were compared in 18 patients, average age 6 months, who had 2DE studies shortly prior to death. Six had isolated VSD and the...

journal_title：American heart journal

authors： Sharif DS,Huhta JC,Marantz P,Hawkins HK,Yoon GY

更新日期：1989-06-01 00:00:00

abstract：:Following pulmonary infarction, three patients developed the classical signs and symptoms of the Dressler syndrome associated with persistent left pleural effusion. Each responded dramatically to corticosteroid therapy. While the pathogenesis of this "Post-Pulmonary Infarction syndrome," like the Dressler syndrome, is...

journal_title：American heart journal

authors： Sklaroff HJ

更新日期：1979-12-01 00:00:00

abstract：:The single-dose pharmacokinetics of amiodarone have been studied in volunteer subjects given 400 mg doses by the intravenous and oral routes. The data show the compound to have a very large volume of distribution, a low total clearance, and a long and variable terminal elimination half-life. In patients the terminal e...

journal_title：American heart journal

authors： Holt DW,Tucker GT,Jackson PR,Storey GC

更新日期：1983-10-01 00:00:00

abstract：:ECGs taken from four patients with concealed atrial bigeminy were analyzed to find the mechanisms of disappearance and reappearance of extrasystoles. Observations in three patients showing the classic form of concealed bigeminy suggest that when the extrasystole disappeared, the first sinus impulse after the last mani...

journal_title：American heart journal

authors： Kinoshita S,Kato Y,Nakagawa K,Yasukouchi T

更新日期：1984-05-01 00:00:00

abstract：BACKGROUND:Adenosine cardiac stress is widely used as an alternative to exercise testing during myocardial perfusion imaging (MPI). Dyspnea often accompanies the adenosine stress test. Although known asthmatic patients are excluded from this test because of the danger of bronchospasm, there is incomplete information re...

journal_title：American heart journal

authors： Balan KK,Critchley M

更新日期：2001-07-01 00:00:00

abstract：:Mortality rates for acute myocardial infarction (AMI) in the province of Manitoba were studied by a retrospective, randomized survey of urban and rural hospital records. Urban hospitals had formal coronary care unit (CCU). Selected rural hospitals lacked CCUs but usually possessed portable monitoring and defibrillatio...

journal_title：American heart journal

authors： Morris AL,Nernberg V,Roos NP,Henteleff P,Roos L Jr

更新日期：1983-01-01 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

abstract：:A case with total intra-His bundle block and intermittent pre-excitation syndrome is presented. During A-V conduction there was a P-delta interval of 130 msec. with a P-A interval of 20 msec., an A-H interval of 60 msec. and an H-V interval of 50 msec. During rapid atrial pacing the P-delta interval increased primaril...

journal_title：American heart journal

authors： Probst P,Pachinger O,Steinbach K,Kaindl F

更新日期：1977-07-01 00:00:00

abstract：:Controlled-release drug delivery technology has had a significant effect on the pharmacotherapy of cardiovascular diseases. Oral and transcutaneous controlled-release systems allow relatively short-acting drugs to be administered once or twice daily with comparable therapeutic efficacy and fewer adverse reactions comp...

journal_title：American heart journal

authors： Katz B,Rosenberg A,Frishman WH

更新日期：1995-02-01 00:00:00

abstract：BACKGROUND:Clinical outcomes and the effects of oral anticoagulants among patients with acute coronary syndrome (ACS) and either a history of or acute heart failure (HF) are largely unknown. We aimed to assess the relationship between prior HF or acute HF complicating an index ACS event and subsequent clinical outcomes...

journal_title：American heart journal

authors： Cornel JH,Lopes RD,James S,Stevens SR,Neely ML,Liaw D,Miller J,Mohan P,Amerena J,Raev D,Huo Y,Urina-Triana M,Gallegos Cazorla A,Vinereanu D,Fridrich V,Harrington RA,Wallentin L,Alexander JH,APPRAISE-2 Study Group.

更新日期：2015-04-01 00:00:00

abstract：:Functional, ambulatory, community-dwelling subjects (n = 423, aged 75 to 85 years) underwent baseline 24-hour ambulatory electrocardiography (ECG) examinations as part of the Bronx Aging Study, a 10-year prospective cohort study designed to identify risk factors and disease markers for cardiovascular, cerebrovascular,...

journal_title：American heart journal

authors： Frishman WH,Heiman M,Karpenos A,Ooi WL,Mitzner A,Goldkorn R,Greenberg S

更新日期：1996-08-01 00:00:00

abstract：BACKGROUND:Myxomas, the most common cardiac tumor in adults, occur in the atria and are prone to embolization. Obstructive valvular tumors in infants occur in pulmonic and aortic valves and generally have a more benign course. METHODS:We conducted a review of our experience in infants with tumors obstructing the right...

journal_title：American heart journal

authors： Guntheroth WG,Fujioka MC,Reichenbach DD

更新日期：2002-05-01 00:00:00

abstract：BACKGROUND:Patients with heart failure (HF) frequently have comorbidities. Frequency, prognostic, and therapeutic implications of chronic obstructive pulmonary disease (COPD) in HF are largely unknown. We aimed to assess the prevalence and prognostic implications of COPD in a sample of stable patients with HF and to de...

journal_title：American heart journal

authors： Mascarenhas J,Lourenço P,Lopes R,Azevedo A,Bettencourt P

更新日期：2008-03-01 00:00:00

abstract：BACKGROUND:The long-term fate of patent irradiated segments at 6 months after beta-radiation therapy has not been sufficiently evaluated. METHODS:Two-year follow-up angiography was performed in 52 patients with patent irradiated segments at 6 months after beta-radiation with a rhenium 188-mercaptoacetyltriglycine-fill...

journal_title：American heart journal

authors： Lee SW,Park SW,Hong MK,Kim YH,Han KH,Kim J,Park JH,Oh SJ,Moon DH,Oh SJ,Lee CW,Kim JJ,Park SJ

更新日期：2006-01-01 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:Atrial fibrillation remains a frequent complication after heart surgery. The optimal strategy to treat the condition has not been established. Several retrospective studies have suggested that a primary rate-control strategy may be equivalent to a strategy that restores sinus rhythm. METHODS:Fifty patients ...

journal_title：American heart journal

authors： Lee JK,Klein GJ,Krahn AD,Yee R,Zarnke K,Simpson C,Skanes A,Spindler B

更新日期：2000-12-01 00:00:00

abstract：:The serum chromium in 45 subjects with no clinical evidence of ischemic heart disease was found to be 1.71 parts per billion (ppb) (S.E. +/- 0.14). In 34 patients with a previously documented myocardial infarction, it was 1.84 ppb (S.E. +/- 0.18). The difference was not significant nor was there any difference with ag...

journal_title：American heart journal

authors： Abraham AS,Sonnenblick M,Eni M,Shemesh O,Batt AP

更新日期：1980-05-01 00:00:00

abstract：BACKGROUND:Patients with diabetes have an increased incidence and severity of ischemic heart disease, which leads to an increased requirement for coronary revascularization. Comparative information regarding mode of revascularization--coronary artery bypass graft surgery surgery (CABG) or percutaneous coronary interven...

journal_title：American heart journal

authors： Kapur A,Malik IS,Bagger JP,Anderson JR,Kooner JS,Thomas M,Punjabi P,Mayet J,Millane T,Goedicke J,Jamrozik K,de Belder MA,Hall RJ,Beatt KJ

更新日期：2005-01-01 00:00:00

abstract：:The effects of handgrip and supine bicycle exercise on hemodynamics and left ventricular (LV) performance were compared in 25 patients with moderate to severe aortic regurgitation (AR) and normal LV ejection fraction at rest (greater than or equal to 50%) and in 10 control subjects. In both groups, heart rate, systoli...

journal_title：American heart journal

authors： Shen WF,Fletcher PJ,Roubin GS,Choong CY,Hutton BF,Harris PJ,Kelly DT

更新日期：1985-06-01 00:00:00