Selective pharmacological agents implicate mitochondrial but not sarcolemmal K(ATP) channels in ischemic cardioprotection.

abstract：BACKGROUND:Healthy levels of lifestyle factors can reduce the risk of cardiovascular disease. However, except for smoking status, often considered a traditional risk factor, their effect on cardiovascular risk prediction is unclear. METHODS AND RESULTS:We used a case-cohort design of postmenopausal nonsmokers in the m...

journal_title：Circulation

authors： Paynter NP,LaMonte MJ,Manson JE,Martin LW,Phillips LS,Ridker PM,Robinson JG,Cook NR

更新日期：2014-10-21 00:00:00

abstract：BACKGROUND:The contractile dysfunction observed in end-stage myocardial hypertrophy has at its base an abnormality in myocyte function. However, whether depressed contractile function is related to an alteration in contractile protein function is presently unknown. METHODS AND RESULTS:Contractile force, tension, and c...

journal_title：Circulation

authors： Fan D,Wannenburg T,de Tombe PP

更新日期：1997-05-06 00:00:00

abstract：BACKGROUND:In vivo gene transfer into injured arteries may provide a new means to facilitate molecular understanding of and to treat the intractable fibroproliferative arterial diseases. Selection of an optimal molecule to be transferred will be a key to successful gene therapy in the future. We tested the hypothesis t...

journal_title：Circulation

authors： Ueno H,Haruno A,Morisaki N,Furuya M,Kangawa K,Takeshita A,Saito Y

更新日期：1997-10-07 00:00:00

abstract：:Exercise trials in cardiology are often hindered by inconsistent approaches to exercise testing. These inconsistencies include the choice of exercise protocol, exercise end points, points of analysis, and absence or misuse of gas exchange data. Gas exchange techniques greatly enhance the accuracy with which cardiopulm...

journal_title：Circulation

authors： Myers J,Froelicher VF

更新日期：1990-11-01 00:00:00

abstract：BACKGROUND:Anisotropy creates nonuniformity in electrical propagation and may contribute to the occurrence of unidirectional conduction block and reentry. We describe the characteristics of reentrant tachycardia in a 2D layer of anisotropic ventricular myocardium. METHODS AND RESULTS:A Langendorff-perfused epicardial ...

journal_title：Circulation

authors： Schalij MJ,Boersma L,Huijberts M,Allessie MA

更新日期：2000-11-21 00:00:00

abstract：BACKGROUND:Direct myocardial revascularization (DMR) has been examined as an alternative treatment for patients with chronic refractory myocardial ischemic syndromes who are not candidates for conventional coronary revascularization. Methods and Results-We used left ventricular electromagnetic guidance in 77 patients w...

journal_title：Circulation

authors： Kornowski R,Baim DS,Moses JW,Hong MK,Laham RJ,Fuchs S,Hendel RC,Wallace D,Cohen DJ,Bonow RO,Kuntz RE,Leon MB

更新日期：2000-09-05 00:00:00

abstract：BACKGROUND:Reperfusion of ischemic rat hearts in the presence of thrombin or norepinephrine but not endothelin-1 causes the generation of inositol 1,4,5-trisphosphate (Ins 1,4,5P3) and arrhythmias. The present study investigates the effect of endothelin-1 on these responses. METHODS AND RESULTS:Ins 1,4,5P3 generation ...

journal_title：Circulation

authors： Woodcock EA,Reyes N,Jacobsen AN,Du XJ

更新日期：1999-02-16 00:00:00

abstract：BACKGROUND:Pain triggers a homeostatic alarm reaction to injury. It remains unknown, however, whether nociceptive signaling activated by ischemia is relevant for progenitor cells (PC) release from bone marrow. To this end, we investigated the role of the neuropeptide substance P (SP) and cognate neurokinin 1 (NK1) noci...

journal_title：Circulation

authors： Amadesi S,Reni C,Katare R,Meloni M,Oikawa A,Beltrami AP,Avolio E,Cesselli D,Fortunato O,Spinetti G,Ascione R,Cangiano E,Valgimigli M,Hunt SP,Emanueli C,Madeddu P

更新日期：2012-04-10 00:00:00

abstract：:Favorable changes in lipoproteins, inhibition of platelet aggregation, reduction of serum thromboxane (TX), altered plasma-membrane fluidity, and reduced production of growth factors (mitogens) have all been implicated as possibly being involved in the inhibition of arteriosclerosis by fish oil (FO), which is rich in ...

journal_title：Circulation

authors： Sarris GE,Fann JI,Sokoloff MH,Smith DL,Loveday M,Kosek JC,Stephens RJ,Cooper AD,May K,Willis AL

更新日期：1989-09-01 00:00:00

abstract：BACKGROUND:Alpha-linolenic acid may protect against cardiovascular disease. We examined the association between adipose tissue alpha-linolenic acid and nonfatal acute myocardial infarction (MI) in a population-based case-control study in Costa Rica. METHODS AND RESULTS:The 482 case patients with a first nonfatal acute...

journal_title：Circulation

authors： Baylin A,Kabagambe EK,Ascherio A,Spiegelman D,Campos H

更新日期：2003-04-01 00:00:00

abstract：BACKGROUND:New methods of R-R interval variability based on fractal scaling and nonlinear dynamics ("chaos theory") may give new insights into heart rate dynamics. The aims of this study were to (1) systematically characterize and quantify the effects of aging from early childhood to advanced age on 24-hour heart rate ...

journal_title：Circulation

authors： Pikkujämsä SM,Mäkikallio TH,Sourander LB,Räihä IJ,Puukka P,Skyttä J,Peng CK,Goldberger AL,Huikuri HV

更新日期：1999-07-27 00:00:00

abstract：BACKGROUND:The clinical significance and pathophysiological mechanisms of reverse redistribution on stress-redistribution thallium-201 myocardial scintigraphy in patients with chronic coronary artery disease are unclear. Recent studies have shown that thallium-201 reinjection is a useful technique for the detection of ...

journal_title：Circulation

authors： Marin-Neto JA,Dilsizian V,Arrighi JA,Freedman NM,Perrone-Filardi P,Bacharach SL,Bonow RO

更新日期：1993-10-01 00:00:00

abstract：:Acute aortic regurgitation was created experimentally in 21 mongrel dogs to examine the relationship of the regurgitant jet to observed echocardiographic findings. The direction of the regurgitant jet was studied by echo contrast injections in the aortic root. Diastolic fluttering of the anterior mitral leaflet (AML) ...

journal_title：Circulation

authors： Nakao S,Tanaka H,Tahara M,Yoshimura H,Sakurai S,Tei C,Kashima T

更新日期：1983-04-01 00:00:00

abstract：BACKGROUND:Radiofrequency catheter ablation of concealed posteroseptal accessory pathways (APS) has been a relatively difficult task for electrophysiologists. Without a detailed mapping procedure, the left versus the right posteroseptal AP could not be distinguished. We investigated the electrophysiological characteris...

journal_title：Circulation

authors： Chiang CE,Chen SA,Tai CT,Wu TJ,Lee SH,Cheng CC,Chiou CW,Ueng KC,Wen ZC,Chang MS

更新日期：1996-03-01 00:00:00

abstract：BACKGROUND:One of the features of high-risk atherosclerotic plaques is a preponderance of macrophages. Experimental studies with hyperlipidemic rabbits have shown that ultrasmall superparamagnetic particles of iron oxide (USPIOs) accumulate in plaques with a high macrophage content and that this induces magnetic resona...

journal_title：Circulation

authors： Kooi ME,Cappendijk VC,Cleutjens KB,Kessels AG,Kitslaar PJ,Borgers M,Frederik PM,Daemen MJ,van Engelshoven JM

更新日期：2003-05-20 00:00:00

abstract：BACKGROUND:Although clockwise rotation and counterclockwise rotation are distinct findings of the ECG, their prognostic significance is rarely studied. METHODS AND RESULTS:We studied prognostic values of clockwise and counterclockwise rotation on total, cardiovascular disease (CVD), and subtype mortality using the Nat...

journal_title：Circulation

authors： Nakamura Y,Okamura T,Higashiyama A,Watanabe M,Kadota A,Ohkubo T,Miura K,Kasagi F,Kodama K,Okayama A,Ueshima H,NIPPON DATA80 Research Group.

更新日期：2012-03-13 00:00:00

abstract：BACKGROUND:The mechanism of ECG changes and arrhythmogenesis in Brugada syndrome (BS) patients is unknown. METHODS AND RESULTS:A BS patient without clinically detected cardiac structural abnormalities underwent cardiac transplantation for intolerable numbers of implantable cardioverter/defibrillator discharges. The pa...

journal_title：Circulation

authors： Coronel R,Casini S,Koopmann TT,Wilms-Schopman FJ,Verkerk AO,de Groot JR,Bhuiyan Z,Bezzina CR,Veldkamp MW,Linnenbank AC,van der Wal AC,Tan HL,Brugada P,Wilde AA,de Bakker JM

更新日期：2005-11-01 00:00:00

abstract：:Verapamil, a calcium antagonist, has been used extensively for treatment of cardiac arrhythmias. Concern persists, however, that it may seriously depress myocardial function in cardiac patients. To investigate this possibility, 20 patients with coronary artery disease (CAD) but no heart failure were given intravenous ...

journal_title：Circulation

authors： Ferlinz J,Easthope JL,Aronow WS

更新日期：1979-02-01 00:00:00

abstract：BACKGROUND:The pathophysiology of mental stress-induced myocardial ischemia, which occurs at lower heart rates than during physical stress, is not well understood. METHODS AND RESULTS:The Psychophysiological Investigations of Myocardial Ischemia Study (PIMI) evaluated the physiological and neuroendocrine functioning i...

journal_title：Circulation

authors： Goldberg AD,Becker LC,Bonsall R,Cohen JD,Ketterer MW,Kaufman PG,Krantz DS,Light KC,McMahon RP,Noreuil T,Pepine CJ,Raczynski J,Stone PH,Strother D,Taylor H,Sheps DS

更新日期：1996-11-15 00:00:00

abstract：BACKGROUND:Whether catheter ablation (CA) is superior to amiodarone (AMIO) for the treatment of persistent atrial fibrillation (AF) in patients with heart failure is unknown. METHODS AND RESULTS:This was an open-label, randomized, parallel-group, multicenter study. Patients with persistent AF, dual-chamber implantable...

journal_title：Circulation

authors： Di Biase L,Mohanty P,Mohanty S,Santangeli P,Trivedi C,Lakkireddy D,Reddy M,Jais P,Themistoclakis S,Dello Russo A,Casella M,Pelargonio G,Narducci ML,Schweikert R,Neuzil P,Sanchez J,Horton R,Beheiry S,Hongo R,Hao S,

更新日期：2016-04-26 00:00:00

abstract：BACKGROUND:Bradycardia and sinus node dysfunction are common causes of early postoperative morbidity in orthotopic heart transplant recipients and frequently require the use of chronotropic drugs or permanent pacemakers. Several causes have been postulated, including surgical trauma to the sinus node and its blood supp...

journal_title：Circulation

authors： Rothman SA,Jeevanandam V,Combs WG,Furukawa S,Hsia HH,Eisen HJ,Buxton AE,Miller JM

更新日期：1996-11-01 00:00:00

abstract：BACKGROUND:The purpose of this study was to define the degree of intrinsic tone in conductance and resistance vessels, to define the calcium dependency of intrinsic tone in these vascular preparations, and to investigate the efficacy of vasodilatory agents on the level of intrinsic tone in these vascular preparations. ...

journal_title：Circulation

authors： Jain M,Dai HB,Carrozza JP,Sellke FW,Morgan KG

更新日期：1996-09-01 00:00:00

abstract：BACKGROUND:Coronary artery disease is the major cause of late cardiac allograft failure. However, few data exist regarding the natural history of changes in intimal and external elastic membrane (EEM) areas after heart transplantation. METHODS AND RESULTS:In 38 transplant recipients, serial intravascular ultrasound ex...

journal_title：Circulation

authors： Tsutsui H,Ziada KM,Schoenhagen P,Iyisoy A,Magyar WA,Crowe TD,Klingensmith JD,Vince DG,Rincon G,Hobbs RE,Yamagishi M,Nissen SE,Tuzcu EM

更新日期：2001-08-07 00:00:00

abstract：BACKGROUND:The purpose of this investigation was to establish normal values of RR variability for middle-aged persons and compare them with values found in patients early and late after myocardial infarction. We hypothesized that presence or absence of coronary heart disease, age, and sex (in this order of importance) ...

journal_title：Circulation

authors： Bigger JT Jr,Fleiss JL,Steinman RC,Rolnitzky LM,Schneider WJ,Stein PK

更新日期：1995-04-01 00:00:00

abstract：BACKGROUND:Diabetes mellitus is a prevalent public health problem that affects about one-third of the US population and leads to serious vascular complications with increased risk for coronary artery disease. How bone marrow hematopoiesis contributes to diabetes mellitus complications is incompletely understood. We inv...

journal_title：Circulation

authors： Hoyer FF,Zhang X,Coppin E,Vasamsetti SB,Modugu G,Schloss MJ,Rohde D,McAlpine CS,Iwamoto Y,Libby P,Naxerova K,Swirski FK,Dutta P,Nahrendorf M

更新日期：2020-07-21 00:00:00

abstract：BACKGROUND:Long-term beta-adrenergic blockade does not appear to be associated with drug-induced training in patients with congestive heart failure (CHF); whether exercise training can increase peak aerobic capacity in patients with CHF who are treated with beta-adrenergic blockers is currently unknown. METHODS AND RE...

journal_title：Circulation

authors： Demopoulos L,Yeh M,Gentilucci M,Testa M,Bijou R,Katz SD,Mancini D,Jones M,LeJemtel TH

更新日期：1997-04-01 00:00:00

abstract：BACKGROUND:Patients with diabetes mellitus (DM) are at high risk of developing congestive heart failure (CHF). However, the relationships between glucose levels and CHF in people with or without a history of DM have not been well characterized. METHODS AND RESULTS:We evaluated the associations between fasting plasma g...

journal_title：Circulation

authors： Held C,Gerstein HC,Yusuf S,Zhao F,Hilbrich L,Anderson C,Sleight P,Teo K,ONTARGET\/TRANSCEND Investigators.

更新日期：2007-03-20 00:00:00

abstract：BACKGROUND:Continuous whole-body perfusion for > 3 hours with a cold asanguineous blood substitute, hypothermosol (HTS) solution, has been reported to preserve organ function. We used this solution in a survival animal model to evaluate its possible application in extending the safe duration of deep hypothermic circula...

journal_title：Circulation

authors： Miura T,Laussen P,Lidov HG,DuPlessis A,Shin'oka T,Jonas RA

更新日期：1996-11-01 00:00:00

abstract：BACKGROUND:Epinephrine has been shown to impair pulmonary excretion of CO2 during resuscitation. This phenomenon was investigated in a rodent model of cardiac arrest and conventional resuscitation. METHODS AND RESULTS:The effects of racemic epinephrine were compared with the selective alpha 1-agonist methoxamine and w...

journal_title：Circulation

authors： Tang W,Weil MH,Gazmuri RJ,Sun S,Duggal C,Bisera J

更新日期：1991-11-01 00:00:00

abstract：:Despite the clinical prevalence of paradoxic interventricular septal (IVS) motion, its pathogenesis remains unclear. To assess the influence of the end-diastolic transseptal pressure gradient, we studied eight open-chest dogs during right ventricular (RV) volume loading (induced by opening a Dacron shunt between the p...

journal_title：Circulation

authors： Kingma I,Tyberg JV,Smith ER

更新日期：1983-12-01 00:00:00