Renin-angiotensin system: genes to bedside.

abstract：:This study prospectively assessed the electrophysiologic effects of parenteral magnesium sulfate administration on paroxysmal atrioventricular (AV) reentrant supraventricular tachycardia and the efficacy of magnesium to terminate these arrhythmias. Eleven normomagnesemic patients, seven with orthodromic reentrant supr...

journal_title：American heart journal

authors： Sager PT,Widerhorn J,Petersen R,Leon C,Ryzen E,Rude R,Rahimtoola SH,Bhandari AK

更新日期：1990-02-01 00:00:00

abstract：:This study was performed to assess the relation between the regional work and oxidative metabolism in hypertrophic cardiomyopathy (HCM). By using carbon 11 acetate as a tracer of myocardial blood flow (%A(0)) and oxygen consumption (k value), 12 patients with HCM with asymmetric septal hypertrophy and 10 normal subjec...

journal_title：American heart journal

authors： Ishiwata S,Maruno H,Senda M,Toyama H,Nishiyama S,Seki A

更新日期：1997-05-01 00:00:00

abstract：:We report five cases of OVT and review the literature on this disease. Among our patients OVT was not suspected clinically and was diagnosed by CT scanning or MRI. Ultrasound imaging, utilized in three cases, failed to detect OVT. Although this disease usually occurs after delivery, in two cases it was diagnosed befor...

journal_title：American heart journal

authors： Simons GR,Piwnica-Worms DR,Goldhaber SZ

更新日期：1993-09-01 00:00:00

abstract：:To determine whether a dose of 5 mg of nifedipine would be useful in the treatment of hypertensive emergencies, we compared the acute hypotensive effects of two different doses of nifedipine, 5 mg and 10 mg, in patients with severe hypertension. In this prospective, randomized, double-blind study, 30 consecutive black...

journal_title：American heart journal

authors： Maharaj B,van der Byl K

更新日期：1992-09-01 00:00:00

abstract：BACKGROUND:Atrial fibrillation (AF) in the setting of heart failure (HF) is linked to embolic stroke and exacerbation of HF. The rate of new-onset AF in patients with left ventricular dysfunction and mild to moderate HF enrolled in the SoLVD trials was significantly lower with enalapril than with placebo (5.4% vs 24% o...

journal_title：American heart journal

authors： Wagner M,Rindress D,Desjardins B,Meilleur MC,Ducharme A,Tardif JC

更新日期：2005-11-01 00:00:00

abstract：:In 30 years of follow-up in the Framingham study, routine biennial ECG examinations revealed 315 subjects with ECG-LVH and 164 with unrecognized ECG-MI without previous cardiac explanation. Among subjects initially free of clinically evident coronary heart disease and both ECG abnormalities, the incidence of ECG-LVH w...

journal_title：American heart journal

authors： Kannel WB,Abbott RD

更新日期：1986-02-01 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: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：:Fingolimod, a sphingosine-1-phosphate receptor (S1PR) modulator, was the first oral disease-modifying therapy approved for relapsing forms of multiple sclerosis; it reduces autoreactive lymphocytes' egress from lymphoid tissues by down-regulating S1PRs. Sphingosine-1-phosphate signaling is implicated in a range of phy...

journal_title：American heart journal

authors： Camm J,Hla T,Bakshi R,Brinkmann V

更新日期：2014-11-01 00:00:00

abstract：:A counterimmunoelectrophoresis technique for detection of serum myoglobin (Mb) was improved using non-ionic polymer dextran. Precipitin lines were graded according to their strength, which was ascertained by radioimmunoassay data. By this method, serum Mb in concentrations of 500 ng./ml. before stain and of 200 ng./ml...

journal_title：American heart journal

authors： Hiramori K,Sumiyoshi T,Motegi S,Honda T,Kimata S,Hirosawa K,Kawai H,Kondo A,Iwaasa M,Miyoshi K

更新日期：1978-08-01 00:00:00

abstract：BACKGROUND:The recovery of left ventricular function (LVF) after revascularization takes time. alpha-Adrenergic blockade acutely improves coronary blood flow and LVF, whereas the effects of more prolonged alpha-adrenergic blockade on LVF recovery after stenting are unknown. METHODS:In 32 patients (age 58 +/- 12 y) wit...

journal_title：American heart journal

authors： Kozàkovà M,Marco J,Heusch G,Bernies M,Bossi IM,Palombo C,Anguissola GB,Donatelli F,Laurent JP,Gregorini L

更新日期：2004-02-01 00:00:00

abstract：BACKGROUND:Device-detected subclinical atrial fibrillation (AF) refers to infrequent, short-lasting, asymptomatic AF that is detected only with long-term continuous monitoring. Subclinical AF is common and associated with an increased risk of stroke; however, the risk of stroke with subclinical AF is lower than for cli...

journal_title：American heart journal

authors： Lopes RD,Alings M,Connolly SJ,Beresh H,Granger CB,Mazuecos JB,Boriani G,Nielsen JC,Conen D,Hohnloser SH,Mairesse GH,Mabo P,Camm AJ,Healey JS

更新日期：2017-07-01 00:00:00

abstract：BACKGROUND:Although more than one million patients in the United States have permanent pacemakers, little is known about their cause of death. We evaluated the cause of death in 404 patients who died in the Mode Selection Trial (MOST). METHODS:In MOST, patients received a dual-chamber pacemaker randomly programmed to ...

journal_title：American heart journal

authors： Flaker G,Greenspon A,Tardiff B,Schron E,Goldman L,Hellkamp A,Lee K,Lamas G,Mode Selection Trial (MOST) Investigators.

更新日期：2003-11-01 00:00:00

abstract：:Biplane 30-degree RAO and 60-degree LAO RV selective cineangiography was performed in 21 patients with significant ventricular arrhythmias (ventricular tachycardia in 14, salvos in three, and complex PVCs in seven) and a high presumption of arrhythmogenic RV dysplasia (ARVD), and in a control group of 10 presumed norm...

journal_title：American heart journal

authors： Daubert C,Descaves C,Foulgoc JL,Bourdonnec C,Laurent M,Gouffault J

更新日期：1988-02-01 00:00:00

abstract：:To test the hypothesis that elevated plasma levels of natriuretic peptides may serve to identify patients with left ventricular (LV) dysfunction, we assessed the predictive diagnostic value of natriuretic peptide levels, in addition to clinical and electro-cardiographic risk factors, as noninvasive indicators of cardi...

journal_title：American heart journal

authors： Muders F,Kromer EP,Griese DP,Pfeifer M,Hense HW,Riegger GA,Elsner D

更新日期：1997-09-01 00:00:00

abstract：:Myocardial ischemia, electrolyte changes, and fluctuations in autonomic tone may play an important role in the presentation of malignant ventricular arrhythmias. beta-Adrenoceptor blocking agents have been shown to decrease the incidence of ventricular fibrillation and sudden cardiac death in patients with coronary ar...

journal_title：American heart journal

authors： Peuhkurinen KJ,Huikuri HV,Linnaluoto M,Takkunen JT

更新日期：1994-07-01 00:00:00

abstract：:Four hundred and ninety-two patients with coronary artery disease underwent analysis of their electrocardiograms, coronary arteriograms, and ventriculograms. Significant Q-waves were correlated with critical coronary occlusions (greater than or equal 75 per cent obstruction) and ventricular contractility. It was found...

journal_title：American heart journal

authors： Gottlieb RS,Duca PR,Kasparian H,Scariato A,Brest AN

更新日期：1975-10-01 00:00:00

abstract：:In order to study the origin of the basal systolic murmurs in mitral stenosis, left and right heart catheterization was performed in 18 patients with mitral stenosis using intracardiac phonocardiography. Our data revealed that the basal systolic murmurs originated in the aorta, the pulmonary artery, and the outflow tr...

journal_title：American heart journal

authors： Kambe T,Suzuki S,Kato T,Hibi N,Fukui Y,Arakawa T,Nishimura K,Miwa A,Sakamoto N

更新日期：1978-10-01 00:00:00

abstract：BACKGROUND:Cardiac resynchronization therapy (CRT) is currently indicated in patients with moderate to severe heart failure, a wide QRS complex and significant left ventricular dysfunction despite optimal medical therapy. Adoption of these criteria for CRT results in a favorable response in only two thirds of candidate...

journal_title：American heart journal

authors： Yu CM,Abraham WT,Bax J,Chung E,Fedewa M,Ghio S,Leclercq C,León AR,Merlino J,Nihoyannopoulos P,Notabartolo D,Sun JP,Tavazzi L,PROSPECT Investigators.

更新日期：2005-04-01 00:00:00

abstract：:Motion of the posterior aortic root on echocardiography is related to left atrial volume changes. Early diastolic posterior motion of the aortic root reflects both LA emptying and filling and has been measured as the atrial emptying index. To study late diastolic motion of the aortic root, we measured the slope of pos...

journal_title：American heart journal

authors： Ambrose JA,Martinez EE,Meller J,Gorlin R,Pichard AD,Herman MV,Teichlolz LE

更新日期：1980-10-01 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:Stroke prevention in anticoagulation-naïve patients with atrial fibrillation undergoing cardioversion has not been systematically studied. OBJECTIVE:To determine outcomes in anticoagulation-naïve patients (defined as those receiving an anticoagulant for <48 hours during the index episode of atrial fibrillat...

journal_title：American heart journal

authors： Ezekowitz MD,Pollack CV,Sanders P,Halperin JL,Spahr J,Cater N,Petkun W,Breazna A,Kirchhof P,Oldgren J

更新日期：2016-09-01 00:00:00

abstract：:Right- and left-sided endocarditis are two distinct entities, both clinically and experimentally. As such, they require different clinical approaches. The accurate diagnosis of right-sided endocarditis rests largely on a high index of suspicion which is often raised in the case of an intravenous drug abuser with fever...

journal_title：American heart journal

authors： Robbins MJ,Soeiro R,Frishman WH,Strom JA

更新日期：1986-01-01 00:00:00

abstract：:African Americans have the highest overall coronary heart disease (CHD) mortality rate of any ethnic group in the United States. They also exhibit a greater prevalence of a number of individual CHD risk factors, especially hypertension and type 2 diabetes mellitus (a CHD risk equivalent) and greater clustering of risk...

journal_title：American heart journal

authors： Ferdinand KC

更新日期：2004-05-01 00:00:00

abstract：OBJECTIVE:To determine the effect of exercise training on cardiac autonomic modulation in normal older adults by using analysis of heart rate variability. SUBJECTS:The exercise group consisted of 7 men and 9 women aged 66 +/- 4 years. The comparison group consisted of 7 men and 9 women also aged 66 +/- 4 years. METHO...

journal_title：American heart journal

authors： Stein PK,Ehsani AA,Domitrovich PP,Kleiger RE,Rottman JN

更新日期：1999-09-01 00:00:00

abstract：OBJECTIVES:In patients with severe heart failure additional therapeutic support with intravenous inotropic or vasodilator drugs is frequently used in the attempt to obtain hemodynamic control. The nature and extent to which diastolic filling, atrial function, and mitral regurgitation are modified by these drugs have no...

journal_title：American heart journal

authors： Capomolla S,Pozzoli M,Opasich C,Febo O,Riccardi G,Salvucci F,Maestri R,Sisti M,Cobelli F,Tavazzi L

更新日期：1997-12-01 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：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：:Two-dimensional contrast perfusion echocardiography was performed in 14 patients who underwent percutaneous transluminal coronary angioplasty to test the efficacy of this new technique for defining the area at risk of dyskinesis during acute coronary occlusion. In nine patients (group A) selective coronary injection o...

journal_title：American heart journal

authors： Griffin B,Timmis AD,Henderson RA,Sowton E

更新日期：1987-09-01 00:00:00

abstract：BACKGROUND:We evaluated the influence of peak respiratory exchange ratio (pRER), as an index of effort adequacy, on peak VO2 prognostic reliability in patients with chronic heart failure (CHF) and reduced exercise capacity, whose peak VO2 may be underestimated because of poor patient motivation. METHODS:A cardiopulmon...

journal_title：American heart journal

authors： Mezzani A,Corrà U,Bosimini E,Giordano A,Giannuzzi P

更新日期：2003-06-01 00:00:00