Recommendations for the Implementation of Telehealth in Cardiovascular and Stroke Care: A Policy Statement From the American Heart Association.

abstract：:We examined the cardiopulmonary effects of maximum bicycle ergometer exercise in seven patients with implanted Intermedics Nova MR pacemakers for three types of pacing in a randomized sequence: VVI or AAI at 70 beats/min (SSI 70), rate-adaptive temperature-controlled pacing with the implanted Nova MR, and rate-adaptiv...

journal_title：Circulation

authors： Alt E,Völker R,Högl B,MacCarter D

更新日期：1988-11-01 00:00:00

abstract：:We evaluated the effects of selective activation of H1 receptors on coronary hemodynamics in 16 patients divided into two groups: group A, 11 patients with atypical angina or valvular heart disease and normal coronary arteries, and group B, five patients with spontaneous angina, four of whom had significant (greater t...

journal_title：Circulation

authors： Vigorito C,Poto S,Picotti GB,Triggiani M,Marone G

更新日期：1986-06-01 00:00:00

abstract：BACKGROUND:Transcatheter aortic valve replacement (TAVR) represents a paradigm shift in the therapeutic options for patients with severe aortic stenosis. However, rapid and exponential growth in TAVR demand may overwhelm capacity, translating to inadequate access and prolonged wait times. Our objective was to evaluate ...

journal_title：Circulation

authors： Elbaz-Greener G,Masih S,Fang J,Ko DT,Lauck SB,Webb JG,Nallamothu BK,Wijeysundera HC

更新日期：2018-07-31 00:00:00

abstract：BACKGROUND:Coconut oil is high in saturated fat and may, therefore, raise serum cholesterol concentrations, but beneficial effects on other cardiovascular risk factors have also been suggested. Therefore, we conducted a systematic review of the effect of coconut oil consumption on blood lipids and other cardiovascular ...

journal_title：Circulation

authors： Neelakantan N,Seah JYH,van Dam RM

更新日期：2020-03-10 00:00:00

abstract：:Survival rates were determined for a group of 598 patients in whom severe coronary disease was demonstrated by arteriography; initially they were treated medically and were followed-up for 15 years. Deaths due to noncoronary causes were uncommon (5% of total) in the first 5 year period but were frequent (36%) in the t...

journal_title：Circulation

authors： Proudfit WJ,Bruschke AV,MacMillan JP,Williams GW,Sones FM Jr

更新日期：1983-11-01 00:00:00

abstract：:Background- Cardiovagal baroreflex sensitivity (BRS) declines with age but is favorably modulated by habitual aerobic exercise. We tested the hypothesis that compliance (transducing capacity) of an elastic artery in which baroreceptors are located is associated with these age-exercise interactions. Methods and Results...

journal_title：Circulation

authors： Monahan KD,Tanaka H,Dinenno FA,Seals DR

更新日期：2001-10-02 00:00:00

abstract：BACKGROUND:Fetal tachyarrhythmia may result in low cardiac output and death. Consequently, antiarrhythmic treatment is offered in most affected pregnancies. We compared 3 drugs commonly used to control supraventricular tachycardia (SVT) and atrial flutter (AF). METHODS AND RESULTS:We reviewed 159 consecutive referrals...

journal_title：Circulation

authors： Jaeggi ET,Carvalho JS,De Groot E,Api O,Clur SA,Rammeloo L,McCrindle BW,Ryan G,Manlhiot C,Blom NA

更新日期：2011-10-18 00:00:00

abstract：BACKGROUND:Morbidity and mortality after conventional repair of thoracoabdominal aneurysms remain high. Alternative techniques have been proposed and are the subject of this report. METHODS AND RESULTS:Endovascular grafts that have a means of incorporating the visceral vessels into the aortic repair were divided into ...

journal_title：Circulation

authors： Greenberg RK,Lytle B

更新日期：2008-04-29 00:00:00

abstract：BACKGROUND:The results of angiographic studies have suggested that calcium channel-blocking agents may prevent new coronary lesion formation, the progression of minimal lesions, or both. METHODS AND RESULTS:The Prospective Randomized Evaluation of the Vascular Effects of Norvasc Trial (PREVENT) was a multicenter, rand...

journal_title：Circulation

authors： Pitt B,Byington RP,Furberg CD,Hunninghake DB,Mancini GB,Miller ME,Riley W

更新日期：2000-09-26 00:00:00

abstract：BACKGROUND:The cyclin-dependent kinase inhibitors (CKIs) have different patterns of expression in vascular diseases. The Kip/Cip CKIs, p27(Kip1) and p21(Cip1), are upregulated during arterial repair and negatively regulate the growth of vascular smooth muscle cells (VSMCs). In contrast, the Ink CKI, p16(Ink4), is not e...

journal_title：Circulation

authors： Tanner FC,Boehm M,Akyürek LM,San H,Yang ZY,Tashiro J,Nabel GJ,Nabel EG

更新日期：2000-05-02 00:00:00

abstract：:Prenalterol, a beta-adrenergic agonist, was given to nine patients with angiographically proved coronary artery disease. Subjects were studied during chronic beta-adrenergic blockade. The adequacy of blockade was assessed by the exercise heart rate response and by plasma concentrations of blocking agents. After increm...

journal_title：Circulation

authors： Shiu MF,Ireland MA,Littler WA

更新日期：1981-12-01 00:00:00

abstract：BACKGROUND:Paroxysmal atrial fibrillation (PAF) can be eliminated with continuous circular lesions (CCLs) around the pulmonary veins (PVs), but it is unclear whether all PVs are completely isolated. METHODS AND RESULTS:Forty-one patients with symptomatic PAF underwent 3D mapping, and all PV ostia were marked on the 3D...

journal_title：Circulation

authors： Ouyang F,Bänsch D,Ernst S,Schaumann A,Hachiya H,Chen M,Chun J,Falk P,Khanedani A,Antz M,Kuck KH

更新日期：2004-10-12 00:00:00

abstract：:The human aorta and its terminal branches were investigated in normal subjects during elective cardiac catheterization to evaluate regional wave travel and arterial wave reflections. A specially designed catheter with six micromanometers equally spaced at 10 cm intervals was positioned with the tip sensor in the dista...

journal_title：Circulation

authors： Latham RD,Westerhof N,Sipkema P,Rubal BJ,Reuderink P,Murgo JP

更新日期：1985-12-01 00:00:00

abstract：BACKGROUND:Aldosterone and angiotensin (Ang) II both may cause organ damage. Circulating aldosterone is produced in the adrenals; however, local cardiac synthesis has been reported. Aldosterone concentrations depend on the activity of aldosterone synthase (CYP11B2). We tested the hypothesis that reducing aldosterone by...

journal_title：Circulation

authors： Fiebeler A,Nussberger J,Shagdarsuren E,Rong S,Hilfenhaus G,Al-Saadi N,Dechend R,Wellner M,Meiners S,Maser-Gluth C,Jeng AY,Webb RL,Luft FC,Muller DN

更新日期：2005-06-14 00:00:00

abstract：BACKGROUND:Hypercholesterolemic mice lacking factors required for activation of CD4+ T cells are characterized by reduced development of atherosclerosis. Consequently, it has been assumed that atherosclerosis involves loss of tolerance against modified self-antigens generated in response to hypercholesterolemia and tha...

journal_title：Circulation

authors： Wigren M,Rattik S,Yao Mattisson I,Tomas L,Grönberg C,Söderberg I,Alm R,Sundius L,Ljungcrantz I,Björkbacka H,Fredrikson GN,Nilsson J

更新日期：2019-05-28 00:00:00

abstract：:The antiarrhythmic efficacy and safety of oral flecainide acetate and quinidine sulfate were compared in a double-blind, 16-center parallel trial involving 280 patients with chronic premature ventricular complexes (PVCs). Eighty-five percent of the flecainide patients had at least 80% suppression of PVCs, vs 57% of th...

journal_title：Circulation

authors：

更新日期：1983-05-01 00:00:00

abstract：:Because discrepancies about baroreflex sensitivity in essential hypertension may have resulted from the use of different measurement techniques, we assessed the extent to which the results of different techniques agree in the same subjects. The eight techniques studied were the change in RR interval per unit change in...

journal_title：Circulation

authors： Goldstein DS,Horwitz D,Keiser HR

更新日期：1982-08-01 00:00:00

abstract：BACKGROUND:Pharmacological ventricular rate control is an acceptable atrial fibrillation (AF) therapy limited by systemic toxicity. We postulate that focal catheter-based drug delivery into the atrioventricular nodal (AVN) region may effectively control ventricular rate during AF without systemic toxicity. This study e...

journal_title：Circulation

authors： Sigg DC,Hiniduma-Lokuge P,Coles JA Jr,Falkner P,Rose R,Urban JF,Ujhelyi MR

更新日期：2006-05-23 00:00:00

abstract：:The nature, prevalence, functional significance, and indeed existence of myocardial disease in progressive systemic sclerosis (PSS) has been debated. In this study the clinical and pathological features of 52 autopsied patients were analyzed in an attempt to resolve these questions. A distinctive focal myocardial lesi...

journal_title：Circulation

authors： Bulkley BH,Ridolfi RL,Salyer WR,Hutchins GM

更新日期：1976-03-01 00:00:00

abstract：BACKGROUND:Proliferation of smooth muscle cells (SMCs) plays an important role in vascular pathobiology, being involved in the development of coronary restenosis and atherosclerosis. The activation of nuclear proto-oncogenes appears to be a final common pathway onto which various mitogenic signals coverage. Accordingly...

journal_title：Circulation

authors： Shi Y,Hutchinson HG,Hall DJ,Zalewski A

更新日期：1993-09-01 00:00:00

abstract：BACKGROUND:Resting cardiac function does not necessarily affect exercise capacity. However, to determine whether it affects early dynamics of oxygen uptake (VO2) during exercise, we measured VO2 during a constant work rate and during incremental exercise testing in patients with a history of myocardial infarction. VO2 ...

journal_title：Circulation

authors： Koike A,Hiroe M,Adachi H,Yajima T,Yamauchi Y,Nogami A,Ito H,Miyahara Y,Korenaga M,Marumo F

更新日期：1994-11-01 00:00:00

abstract：:We evaluated high-energy phosphate (HEP) levels and the ability to perform work in rat hearts preserved by standard techniques (0.9% NaCl arrest and storage at 4 degrees C) and by continuous coronary perfusion at 22 degrees C, pH 7.25, and 55 mm Hg for 4 or 8 hr with Krebs-Henseleit buffer (KHB), modified Morgan's sol...

journal_title：Circulation

authors： Novick WM,Wallace HW,Root KL,Rozanski DJ,Fuller EO

更新日期：1986-11-01 00:00:00

abstract：:The first stage of a repair of pulmonary atresia with intact ventricular septum (type I) was attempted in a 2-day-old infant. At surgery, decompression of the hypertensive small right ventricle was followed by a sudden loss of myocardial contractility and death. Postmortem examination revealed a fistula with a large o...

journal_title：Circulation

authors： O'Connor WN,Cottrill CM,Johnson GL,Noonan JA,Todd EP

更新日期：1982-04-01 00:00:00

abstract：BACKGROUND:This study examines the limitations and complex management problems associated with the use of tiered-therapy, implantable cardioverter-defibrillators (ICDs). METHODS AND RESULTS:The study group comprises the first 154 patients undergoing implantation of tiered-therapy ICDs at our institution. Pulse generat...

journal_title：Circulation

authors： Nunain SO,Roelke M,Trouton T,Osswald S,Kim YH,Sosa-Suarez G,Brooks DR,McGovern B,Guy M,Torchiana DF

更新日期：1995-04-15 00:00:00

abstract：BACKGROUND:Heart failure treatment depends partly on the underlying cause of the disease. We evaluated cardiovascular magnetic resonance (CMR) for the problem of differentiating dilated cardiomyopathy (DCM) from left ventricular (LV) dysfunction caused by coronary artery disease (CAD). METHODS AND RESULTS:Late gadolin...

journal_title：Circulation

authors： McCrohon JA,Moon JC,Prasad SK,McKenna WJ,Lorenz CH,Coats AJ,Pennell DJ

更新日期：2003-07-08 00:00:00

abstract：BACKGROUND:Glycoprotein (GP) IIb/IIIa inhibitors are beneficial in patients with non-ST-segment elevation acute coronary syndromes (NSTE ACS); their safe use in women, however, remains a concern. The contribution of dosing to the observed sex-related differences in bleeding is unknown. METHODS AND RESULTS:We explored ...

journal_title：Circulation

authors： Alexander KP,Chen AY,Newby LK,Schwartz JB,Redberg RF,Hochman JS,Roe MT,Gibler WB,Ohman EM,Peterson ED,CRUSADE (Can Rapid risk stratification of Unstable angina patients Suppress ADverse outcomes with Early implementation of the ACC\/

更新日期：2006-09-26 00:00:00

abstract：:The effect of diabetes on survival after coronary bypass surgery is uncertain. Also, although the overall clinical benefits of internal mammary artery (IMA) grafting are well established, the survival benefit attributable to IMA grafting in diabetics is not well characterized. To determine the influence of diabetes an...

journal_title：Circulation

authors： Morris JJ,Smith LR,Jones RH,Glower DD,Morris PB,Muhlbaier LH,Reves JG,Rankin JS

更新日期：1991-11-01 00:00:00

abstract：:The time of acute myocardial infarction was determined in all 1,741 patients of the ISAM (Intravenous Streptokinase in Acute Myocardial Infarction) Study, based on onset of clinical symptoms and evaluation of plasma CK-MB enzyme time-activity curves. The incidence of myocardial infarction was markedly increased betwee...

journal_title：Circulation

authors： Willich SN,Linderer T,Wegscheider K,Leizorovicz A,Alamercery I,Schröder R

更新日期：1989-10-01 00:00:00

abstract：:Variations in the frequency of ventricular premature depolarizations (VPDs) were evaluated with three consecutive 24-hour long-term electrocardiography monitor recordings from 15 clinically stable patients with various cardiac disorders. Mean hourly VPD frequencies ranged from 37--1,801 per hour. Data were subjected t...

journal_title：Circulation

authors： Morganroth J,Michelson EL,Horowitz LN,Josephson ME,Pearlman AS,Dunkman WB

更新日期：1978-09-01 00:00:00

abstract：BACKGROUND:Previous studies have shown that pericytes can differentiate into osteoblasts and form bone. This study investigated whether pericytes can also differentiate into chondrocytes and adipocytes. METHODS AND RESULTS:Reverse transcription-polymerase chain reaction demonstrated that pericytes express mRNA for the...

journal_title：Circulation

authors： Farrington-Rock C,Crofts NJ,Doherty MJ,Ashton BA,Griffin-Jones C,Canfield AE

更新日期：2004-10-12 00:00:00