Pathology of sinoatrial node. Correlations with electrocardiographic findings in 111 patients.

abstract：:The Magnum/Magnarail system consists of "over-the-wire" balloon catheters and a 0.021 inch (0.53 mm) guide wire with a 1 mm olive-shaped tip. To compare it to conventional systems, 100 consecutive unselected patients with chronic total coronary occlusions were randomly assigned to one of two groups. If the balloon cou...

journal_title：American heart journal

authors： Pande AK,Meier B,Urban P,de la Serna F,Villavicencio R,Dorsaz PA,Favre J

更新日期：1992-05-01 00:00:00

abstract：BACKGROUND:Intracranial hemorrhage is an uncommon but very dangerous complication in patients receiving thrombolytic therapy for acute myocardial infarction. Neurosurgical evacuation is often an available treatment option. However, the association between neurosurgical evacuation and clinical outcomes in these patients...

journal_title：American heart journal

authors： Mahaffey KW,Granger CB,Sloan MA,Green CL,Gore JM,Weaver WD,White HD,Simoons ML,Barbash GI,Topol EJ,Califf RM

更新日期：1999-09-01 00:00:00

abstract：BACKGROUND:Angiotensin-converting enzyme (ACE) inhibitors are established as first-line therapy in chronic heart failure (CHF). However, conflicting results exist regarding the dose-effect relation of ACE inhibitors. METHODS:We investigated 45 patients (age 55 +/- 10 years) with stable CHF who presented with a mainten...

journal_title：American heart journal

authors： Brunner-La Rocca HP,Weilenmann D,Kiowski W,Maly FE,Candinas R,Follath F

更新日期：1999-10-01 00:00:00

abstract：:Intramuscular lidocaine administration is known to produce blood concentration levels considered to be therapeutic for prevention of premature ventricular contractions. This double blind study was designed to study the effect of intramuscular lidocaine in the prevention of PVC's in acute myocardial infarction. Forty-s...

journal_title：American heart journal

authors： Singh JB,Kocot SL

更新日期：1976-04-01 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：:Given the preventable morbidity and mortality associated with atrial fibrillation (AF), increased awareness of undiagnosed AF, and advances in mobile electrocardiogram (ECG) technology, there is a critical need to assess the effectiveness of using such technology to routinely screen for AF in clinical practice. VITAL-...

journal_title：American heart journal

authors： Ashburner JM,Atlas SJ,McManus DD,Chang Y,Trisini Lipsanopoulos AT,Borowsky LH,Guan W,He W,Ellinor PT,Singer DE,Lubitz SA

更新日期：2019-09-01 00:00:00

abstract：:There is evidence that the endothelium plays an important role in the control of human vascular tone by releasing endothelium-derived nitric oxide and, therefore, a defective endothelial function could be involved in the increased peripheral vasoconstriction of patients with chronic congestive heart failure. To invest...

journal_title：American heart journal

authors： Drexler H,Hayoz D,Münzel T,Just H,Zelis R,Brunner HR

更新日期：1993-09-01 00:00:00

abstract：:The effects of alcohol intake on serum lipids and lipoproteins depend on the dose and mode of alcohol intake, individual susceptibility, genetic variables, and dietary factors. Therefore the changes of lipoprotein pattern are different among moderate and heavy drinkers. Moderate intake of alcohol increases the concent...

journal_title：American heart journal

authors： Taskinen MR,Nikkilä EA,Välimäki M,Sane T,Kuusi T,Kesäniemi A,Ylikahri R

更新日期：1987-02-01 00:00:00

abstract：:We tested whether overload of the two ventricles may be associated with a preponderance of interventricular septum in patients with high blood pressure. The rationale is that the septum is shared by the greater and lesser circulation and that in hypertension the latter shows the same qualitative hemodynamic alteration...

journal_title：American heart journal

authors： Fiorentini C,Galli C,Tamborini G,Moruzzi P,Berti M,Riva S,Guazzi MD

更新日期：1988-08-01 00:00:00

abstract：BACKGROUND:The Amplatzer septal occluder (ASO) allows the percutaneous closure of small to very large atrial septal defects (ASDs). The CardioSEAL/STARflex (CS/SF) can be used only for closure of small to moderate ASDs (stretch size up to 18 mm). These 2 devices are widely used in clinical practice. Therefore, a compar...

journal_title：American heart journal

authors： Butera G,Carminati M,Chessa M,Delogu A,Drago M,Piazza L,Giamberti A,Frigiola A

更新日期：2004-09-01 00:00:00

abstract：BACKGROUND:The Total Occlusion Study of Canada (TOSCA) is a multicenter, randomized trial evaluating the effect of stenting with > =1 heparin-coated stent on long-term patency after percutaneous coronary intervention by balloon angioplasty of occluded coronary arteries. The purpose of the current study was to compare t...

journal_title：American heart journal

authors： Dzavik V,Carere RG,Mancini GB,Cohen EA,Catellier D,Anderson TE,Barbeau G,Lazzam C,Title LM,Berger PB,Labinaz M,Teo KK,Buller CE,Total Occlusion Study of Canada Investigators.

更新日期：2001-08-01 00:00:00

abstract：BACKGROUND:Recent randomized clinical trials have suggested a benefit of an invasive management strategy in patients with acute coronary syndromes. However, the broader use and impact of the invasive management approach has not been established for patients with acute coronary syndromes beyond the relatively narrow pat...

journal_title：American heart journal

authors： Dauerman HL,Yarzebski J,Gore JM,Lessard D,Goldberg RJ

更新日期：2002-06-01 00:00:00

abstract：OBJECTIVES:The DANHEART trial is a multicenter, randomized (1:1), parallel-group, double-blind, placebo-controlled study in chronic heart failure patients with reduced ejection fraction (HFrEF). This investigator driven study will include 1500 HFrEF patients and test in a 2 × 2 factorial design: 1) if hydralazine-isoso...

journal_title：American heart journal

authors： Wiggers H,Køber L,Gislason G,Schou M,Poulsen MK,Vraa S,Nielsen OW,Bruun NE,Nørrelund H,Hollingdal M,Barasa A,Bøttcher M,Dodt K,Hansen VB,Nielsen G,Knudsen AS,Lomholdt J,Mikkelsen KV,Jonczy B,Brønnum-Schou J,Poenar

更新日期：2021-01-01 00:00:00

abstract：OBJECTIVES:We sought to determine the relationship of adverse diastolic remodeling (ie, worsening diastolic or persistent restrictive filling) with infarct scar characteristics, and to evaluate its prognostic value after ST-segment elevation myocardial infarction (STEMI). BACKGROUND:Severe diastolic dysfunction (restr...

journal_title：American heart journal

authors： Nguyen TL,Phan J,Hogan J,Hee L,Moses D,Otton J,Premawardhana U,Rajaratnam R,Juergens CP,Dimitri H,French JK,Richards D,Thomas L

更新日期：2016-10-01 00:00:00

abstract：:Vasodilators facilitate ventricular emptying by affording earlier onset of left ventricular (LV) ejection and increased stroke volume with achievement of a reduced end-systolic pressure and volume. Agents with positive inotropic properties increase stroke volume by shifting the end-systolic pressure-volume curve to th...

journal_title：American heart journal

authors： Miller RR,Palomo AR,Brandon TA,Hartley CJ,Quinones MA

更新日期：1981-09-01 00:00:00

abstract：BACKGROUND:31-Phosphorus-magnetic resonance spectroscopy may provide pathophysiological insights into the high-energy phosphate metabolism of the myocardium as measured by phosphocreatine to adenosine triphosphate (PCr/ATP) ratio. Aim of the present study was to determine in vivo the relation between cardiac PCr/ATP ra...

journal_title：American heart journal

authors： Fragasso G,De Cobelli F,Spoladore R,Esposito A,Salerno A,Calori G,Montanaro C,Maranta F,Lattuada G,Margonato A,Del Maschio A,Perseghin G

更新日期：2011-07-01 00:00:00

abstract：BACKGROUND:Childhood cancer survivors are at increased risk of cardiovascular disease (CVD), which may be associated with traditional CVD risk factors. We used CVD risk aggregation instruments to describe survivor cardiometabolic health and compared their results with sibling controls. METHODS:Traditional CVD risk fac...

journal_title：American heart journal

authors： Landy DC,Miller TL,Lopez-Mitnik G,Lipsitz SR,Hinkle AS,Constine LS,French CA,Rovitelli AM,Adams MJ,Lipshultz SE

更新日期：2012-02-01 00:00:00

abstract：BACKGROUND:Aortopulmonary collaterals (APCs) are frequently observed before and after the Fontan procedure. However, the mechanism of the development of APCs is unknown. We hypothesized that one or several antiangiogenic and/or angiogenic growth factors might play a role in the development of APCs. METHODS:Eighty-five...

journal_title：American heart journal

authors： Mori Y,Shoji M,Nakanishi T,Fujii T,Nakazawa M

更新日期：2007-06-01 00:00:00

abstract：:Late potentials have been shown to predict malignant ventricular arrhythmias and sudden cardiac death. To determine whether prolonged, strenuous activity is associated with the development of ventricular late potentials, signal-averaged electrocardiography was performed on 30 marathon runners before, immediately after...

journal_title：American heart journal

authors： Smith GS,Vacek JL,Wilson DB,Hawkins JW,Boyer TA

更新日期：1989-12-01 00:00:00

abstract：:The effects of atrial pacing on the signal-averaged electrocardiogram were studied in 14 patients with remote myocardial infarction and a history of cardiac arrest or sustained ventricular tachycardia (group I) and in 13 patients with coronary artery disease and no history of sustained ventricular tachyarrhythmia (gro...

journal_title：American heart journal

authors： Greenspon AJ,Volosin K

更新日期：1990-01-01 00:00:00

abstract：BACKGROUND:Long-term treatment with beta-blockers reduces mortality after acute myocardial infarction (AMI). Whether beta-blockers exert a class effect is unknown. METHODS:We analyzed mortality after AMI in Canadian patients 65 years or older who were discharged from hospital with a diagnosis of AMI from April 1996 to...

journal_title：American heart journal

authors： Rinfret S,Abrahamowicz M,Tu J,Humphries K,Eisenberg MJ,Richard H,Austin PC,Pilote L

更新日期：2007-02-01 00:00:00

abstract：:Intracoronary streptokinase (SK) was administered to 11 patients with evolving acute transmural myocardial infarction 5.5 +/- 0.4 hours from the onset of symptoms. Ten patients (91%) had total coronary occlusion, and one had subocclusion of the vessel corresponding to the ECG site of infarction. Intracoronary nitrogly...

journal_title：American heart journal

authors： Cowley MJ,Hastillo A,Vetrovec GW,Hess ML

更新日期：1981-12-01 00:00:00

abstract：:The purpose of this study was to determine the normal pattern and magnitude of mitral annular velocities in diastole by Doppler tissue imaging (DTI) and to assess whether this is altered in patients with left ventricular hypertrophy. Mitral annulus velocities were measured by DTI. Peak and time-velocity integral were ...

journal_title：American heart journal

authors： Rodriguez L,Garcia M,Ares M,Griffin BP,Nakatani S,Thomas JD

更新日期：1996-05-01 00:00:00

abstract：:Resting measurements of left ventricular systolic function do not reliably predict exercise capacity in patients with cardiac disease. Therefore left ventricular filling shortly after a myocardial infarction was prospectively studied to determine whether it could predict subsequent exercise time. Consecutive patients ...

journal_title：American heart journal

authors： Finkelhor RS,Sun JP,Bahler RC

更新日期：1990-01-01 00:00:00

abstract：:Reperfusion therapy has lowered the mortality in patients suffering acute myocardial infarction. Failure to reperfuse is associated with significantly higher risk of short- and long-term mortality. Detection of reperfusion is thus important. In a prospective pilot study, we used continuous on-line computerized vectorc...

journal_title：American heart journal

authors： Dellborg M,Topol EJ,Swedberg K

更新日期：1991-10-01 00:00:00

abstract：:The systemic and renal hemodyanmic effects of bupicomide were studied in 10 male patients with uncomplicated essential hypertension of moderate severity. Bupicomide significantly reduced systolic, diastolic, and mean arterial pressure and peripheral vascular resistance and this hypotensive effect was associated with a...

journal_title：American heart journal

authors： Chrysant SG,Adamopoulos P,Tsuchiya M,Frohlich ED

更新日期：1976-09-01 00:00:00

abstract：BACKGROUND:Although there is evidence linking smoking and heart failure (HF), the association between lifetime smoking exposure and HF in older adults and the strength of this association among current and past smokers is not well known. METHODS:We examined the association between smoking status, pack-years of exposur...

journal_title：American heart journal

authors： Gopal DM,Kalogeropoulos AP,Georgiopoulou VV,Smith AL,Bauer DC,Newman AB,Kim L,Bibbins-Domingo K,Tindle H,Harris TB,Tang WW,Kritchevsky SB,Butler J

更新日期：2012-08-01 00:00:00

abstract：BACKGROUND:Aggressive management to reduce pulmonary artery systolic pressure (PASP) and pulmonary capillary wedge pressure (PCWP) reduces hospitalization rates and is crucial for patients awaiting transplantation but may require periodic invasive monitoring with right heart catheterization. METHODS:The purpose of thi...

journal_title：American heart journal

authors： Sherman HL,Avelar E,Grossman PM,Sachdev V,Oral H,Nicklas JM,Armstrong WF

更新日期：2000-05-01 00:00:00

abstract：:Adequate hydration is recommended for acute ST-elevation myocardial infarction (STEMI) patients undergoing primary percutaneous coronary intervention (PCI) to prevent contrast-induced nephropathy (CIN). However, the optimal hydration regimen has not been well established in these high-risk patients. The objective of t...

journal_title：American heart journal

authors： Liu Y,Chen JY,Huo Y,Ge JB,Xian Y,Duan CY,Chen SQ,Jiang W,Chen PY,Tan N,RESCIND group.

更新日期：2016-02-01 00:00:00

abstract：:Valve area and cardiac output were determined with magnetic resonance (MR) velocity mapping in 12 patients with aortic stenosis. Heart catheterization, Doppler echocardiography, and indicator dilution were performed for comparison. Left ventricle could be catheterized in only nine patients; in these cases, MR measured...

journal_title：American heart journal

authors： Søndergaard L,Hildebrandt P,Lindvig K,Thomsen C,Ståhlberg F,Kassis E,Henriksen O

更新日期：1993-11-01 00:00:00