Intrinsic tone as potential vascular reserve in conductance and resistance vessels.

abstract：:Fifteen patients with symptomatic mild-to-moderate and severe chronic aortic regurgitation (AR) performed supine bicycle exercise while measurements of rest and exercise hemodynamics and left ventricular function were obtained. A continuous Doppler method was used to determine the change in distribution of total left ...

journal_title：Circulation

authors： Kawanishi DT,McKay CR,Chandraratna PA,Nanna M,Reid CL,Elkayam U,Siegel M,Rahimtoola SH

更新日期：1986-01-01 00:00:00

abstract：BACKGROUND:Marine n-3 polyunsaturated fatty acids may reduce coronary mortality. Previous data in relation to nonfatal coronary disease, however, have been inconsistent, which may be explained by the use of heterogeneous methods to assess the intake of marine n-3 polyunsaturated fatty acids. We investigated the hypothe...

journal_title：Circulation

authors： Joensen AM,Overvad K,Dethlefsen C,Johnsen SP,Tjønneland A,Rasmussen LH,Schmidt EB

更新日期：2011-09-13 00:00:00

abstract：:We studied 10 obese volunteers, mean age 36.5 +/- 10.3 years, who weighed 123.56 +/- 28.7 g and were 69.96 +/- 22.5 kg overweight. The subjects did not have diabetes, arterial hypertension or signs of cardiac and respiratory failure or disease and all underwent right- and left-heart catheterization. cardiac output and...

journal_title：Circulation

authors： de Divitiis O,Fazio S,Petitto M,Maddalena G,Contaldo F,Mancini M

更新日期：1981-09-01 00:00:00

abstract：BACKGROUND:Most survival prediction models for coronary artery bypass grafting surgery are limited to in-hospital or 30-day end points. We estimate a long-term survival model using data from the Society of Thoracic Surgeons Adult Cardiac Surgery Database and Centers for Medicare and Medicaid Services. METHODS AND RESU...

journal_title：Circulation

authors： Shahian DM,O'Brien SM,Sheng S,Grover FL,Mayer JE,Jacobs JP,Weiss JM,Delong ER,Peterson ED,Weintraub WS,Grau-Sepulveda MV,Klein LW,Shaw RE,Garratt KN,Moussa ID,Shewan CM,Dangas GD,Edwards FH

更新日期：2012-03-27 00:00:00

abstract：BACKGROUND:Rel/NF-kappaB, an oxidative stress-responsive transcription factor, participates transiently in the control of gene expression. The cellular mechanisms that mediate NF-kappaB activation during ischemia (and during reperfusion in the course of treating ischemia) are not known. METHODS AND RESULTS:To investig...

journal_title：Circulation

authors： Canty TG Jr,Boyle EM Jr,Farr A,Morgan EN,Verrier ED,Pohlman TH

更新日期：1999-11-09 00:00:00

abstract：BACKGROUND:The novel phosphate binder sevelamer has been shown to prevent the progression of aortic and coronary calcification in uremic patients. Whether it also decreases the progression of atheromatous plaques is unknown. The aim of our study was to examine the effect of sevelamer administration on the development o...

journal_title：Circulation

authors： Phan O,Ivanovski O,Nguyen-Khoa T,Mothu N,Angulo J,Westenfeld R,Ketteler M,Meert N,Maizel J,Nikolov IG,Vanholder R,Lacour B,Drüeke TB,Massy ZA

更新日期：2005-11-01 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：:We performed transventricular pulmonary valvotomy as initial surgery in 22 consecutive patients with pulmonary atresia and intact ventricular septum who had a patent infundibulum. Nineteen patients also had placement of a central aortopulmonary shunt. All patients survived surgery, and 16 patients have had preoperativ...

journal_title：Circulation

authors： Shaddy RE,Sturtevant JE,Judd VE,McGough EC

更新日期：1990-11-01 00:00:00

abstract：:Recent studies have shown that blood flow during closed-chest cardiopulmonary resuscitation (CPR) results primarily from generalized changes in intrathoracic pressure rather than direct compression of the heart. Since ascending aortic and right atrial pressures rise and fall synchronously and to comparable levels duri...

journal_title：Circulation

authors： Ditchey RV,Winkler JV,Rhodes CA

更新日期：1982-08-01 00:00:00

abstract：BACKGROUND:Heparin-induced thrombocytopenia (HIT) is an immune-mediated syndrome caused by heparin. Complications range from thrombocytopenia to thrombocytopenia with thrombosis. We report a prospective, historical- controlled study evaluating the efficacy and safety of argatroban, a direct thrombin inhibitor, as antic...

journal_title：Circulation

authors： Lewis BE,Wallis DE,Berkowitz SD,Matthai WH,Fareed J,Walenga JM,Bartholomew J,Sham R,Lerner RG,Zeigler ZR,Rustagi PK,Jang IK,Rifkin SD,Moran J,Hursting MJ,Kelton JG,ARG-911 Study Investigators.

更新日期：2001-04-10 00:00:00

abstract：BACKGROUND:Reactive oxygen species (ROS) can cause an oxidative modification of nucleotides, such as 8-oxo-7,8-dihydrodeoxyguanosine triphosphate (8-oxo-dGTP), which can lead to defects in DNA replication. The misincorporation of 8-oxo-dGTP into DNA is prevented by 8-oxo-dGTPase, which hydrolyzes 8-oxo-dGTP into 8-oxo-...

journal_title：Circulation

authors： Tsutsui H,Ide T,Shiomi T,Kang D,Hayashidani S,Suematsu N,Wen J,Utsumi H,Hamasaki N,Takeshita A

更新日期：2001-12-11 00:00:00

abstract：:Oral flecainide acetate was administered to 34 patients with documented symptomatic paroxysmal supraventricular tachycardia (PSVT) with a double-blind, placebo-controlled, 8-week crossover trial design. PSVT was defined as a regular tachycardia of at least 120 beats/min without evidence of atrioventricular dissociatio...

journal_title：Circulation

authors： Henthorn RW,Waldo AL,Anderson JL,Gilbert EM,Alpert BL,Bhandari AK,Hawkinson RW,Pritchett EL

更新日期：1991-01-01 00:00:00

abstract：BACKGROUND:Congestive heart failure (CHF) is characterized by enhanced immune activation, and immune-mediated mechanisms may play a pathogenic role in this disorder. Based on the immunomodulatory effects of intravenous immunoglobulin (IVIG), we hypothesized that IVIG could downregulate inflammatory responses in CHF pat...

journal_title：Circulation

authors： Gullestad L,Aass H,Fjeld JG,Wikeby L,Andreassen AK,Ihlen H,Simonsen S,Kjekshus J,Nitter-Hauge S,Ueland T,Lien E,Frøland SS,Aukrust P

更新日期：2001-01-16 00:00:00

abstract：BACKGROUND:Several clinical studies have demonstrated a general superiority of biphasic waveform defibrillation compared with monophasic waveform defibrillation using epicardial lead systems. To test the breadth of utility of biphasic waveforms in humans, a prospective, randomized evaluation of defibrillation efficacy ...

journal_title：Circulation

authors： Bardy GH,Troutman C,Johnson G,Mehra R,Poole JE,Dolack GL,Kudenchuk PJ,Gartman DM

更新日期：1991-08-01 00:00:00

abstract：BACKGROUND:Atherosclerosis is an inflammatory disease in which interferon (IFN)-gamma, the signature cytokine of Th1 cells, plays a central role. We investigated whether interleukin (IL)-17, the signature cytokine of Th17 cells, is also associated with human coronary atherosclerosis. METHODS AND RESULTS:Circulating IL...

journal_title：Circulation

authors： Eid RE,Rao DA,Zhou J,Lo SF,Ranjbaran H,Gallo A,Sokol SI,Pfau S,Pober JS,Tellides G

更新日期：2009-03-17 00:00:00

abstract：BACKGROUND:Cell-mediated autoimmunity has been strongly implicated in the pathogenesis of viral myocarditis. METHODS AND RESULTS:Using a murine model of acute myocarditis caused by coxsackievirus B3, we analyzed the phenotypes and morphology of the infiltrating cells in the hearts by immunofluorescence and electron mi...

journal_title：Circulation

authors： Seko Y,Shinkai Y,Kawasaki A,Yagita H,Okumura K,Takaku F,Yazaki Y

更新日期：1991-08-01 00:00:00

abstract：:The dominance of the coronary arterial system was determined angiographically in 75 adult patients with isolated aortic stenosis with or without insufficiency, 25 adult patients with pure aortic insufficiency, 51 adult patients with combined aortic stenosis and mitral valve disease, and 44 children with bicuspid aorti...

journal_title：Circulation

authors： Higgins CB,Wexler L

更新日期：1975-08-01 00:00:00

abstract：:To determine whether multiple lead precordial electrocardiographic recordings offer an improved index for noninvasive estimation of left ventricular hemodynamic function and segmental dyssynergy, precordial mapping was performed in patients with anterior myocardial infarction, and the number of pathologic Q waves (gre...

journal_title：Circulation

authors： Awan NA,Miller RR,Vera Z,Janzen DA,Amsterdam EA,Mason DT

更新日期：1977-06-01 00:00:00

abstract：BACKGROUND:The rate-corrected QT interval (QTc) is heritable, and the discovery of quantitative trait loci that influence the QTc would be an important step in identifying the genes responsible for life-threatening arrhythmias in the general population. We studied 66 pairs of unselected normal dizygotic (DZ) twin subje...

journal_title：Circulation

authors： Busjahn A,Knoblauch H,Faulhaber HD,Boeckel T,Rosenthal M,Uhlmann R,Hoehe M,Schuster H,Luft FC

更新日期：1999-06-22 00:00:00

abstract：:The purpose of this study was to identify preoperative and intraoperative variables predictive of left ventricular dysfunction 6 months after aortic valve replacement. Patients were considered to have postoperative left ventricular dysfunction if the end-diastolic-volume index was greater than or equal to 101 ml/m2 or...

journal_title：Circulation

authors： Hwang MH,Hammermeister KE,Oprian C,Henderson W,Bousvaros G,Wong M,Miller DC,Folland E,Sethi G

更新日期：1989-09-01 00:00:00

abstract：:Although laparoscopic surgery accounts for >2 million surgical procedures every year, the current preoperative risk scores and guidelines do not adequately assess the risks of laparoscopy. In general, laparoscopic procedures have a lower risk of morbidity and mortality compared with operations requiring a midline lapa...

journal_title：Circulation

authors： Atkinson TM,Giraud GD,Togioka BM,Jones DB,Cigarroa JE

更新日期：2017-02-14 00:00:00

abstract：:Trapidil (triazolopyrimidine) possesses activity against platelet-derived growth factor-induced cellular proliferation in vitro and intimal proliferation in vivo. The objective of this study was to determine if trapidil could prevent restenosis in experimentally induced atherosclerotic rabbits. New Zealand White rabbi...

journal_title：Circulation

authors： Liu MW,Roubin GS,Robinson KA,Black AJ,Hearn JA,Siegel RJ,King SB 3rd

更新日期：1990-03-01 00:00:00

abstract：BACKGROUND:Patients with primary amyloidosis (AL type) have a poor prognosis, in part due to frequent cardiac involvement. Although intracardiac thrombus has been reported in anecdotal cases, neither its frequency nor its role in causing mortality is known. Furthermore, the clinical and echocardiographic variables that...

journal_title：Circulation

authors： Feng D,Edwards WD,Oh JK,Chandrasekaran K,Grogan M,Martinez MW,Syed IS,Hughes DA,Lust JA,Jaffe AS,Gertz MA,Klarich KW

更新日期：2007-11-20 00:00:00

abstract：BACKGROUND:Cardiopulmonary bypass and cardiac surgery are associated with a significant systemic inflammatory response that may increase postoperative complications. This meta-analysis assessed whether the benefits and risks of corticosteroid use were dose dependent in adult cardiac surgery. METHODS AND RESULTS:Random...

journal_title：Circulation

authors： Ho KM,Tan JA

更新日期：2009-04-14 00:00:00

abstract：BACKGROUND:Although acute rheumatic fever (ARF) and its sequel, rheumatic heart disease (RHD), continue to cause a large burden of morbidity and mortality in disadvantaged populations, most studies investigating the effectiveness of control programs date from the 1950s. A control program, including a disease register, ...

journal_title：Circulation

authors： Lawrence JG,Carapetis JR,Griffiths K,Edwards K,Condon JR

更新日期：2013-07-30 00:00:00

abstract：:Blood pressure and heart rate of 15 male shift workers were measured every 15 minutes for 24 hours during three work shifts: morning, 4:00 AM to noon; afternoon, noon to 8:00 PM; and night, 8:00 PM to 4:00 AM. For each shift, 24-hour systolic and diastolic blood pressure showed a large "trough" (the low pressure span)...

journal_title：Circulation

authors： Chau NP,Mallion JM,de Gaudemaris R,Ruche E,Siche JP,Pelen O,Mathern G

更新日期：1989-08-01 00:00:00

abstract：BACKGROUND:We reported that HDL loses its antiinflammatory properties during acute influenza A infection in mice, and we hypothesized that these changes might be associated with increased trafficking of macrophages into the artery wall. The present study tested this hypothesis. METHODS AND RESULTS:D-4F, an apolipoprot...

journal_title：Circulation

authors： Van Lenten BJ,Wagner AC,Anantharamaiah GM,Garber DW,Fishbein MC,Adhikary L,Nayak DP,Hama S,Navab M,Fogelman AM

更新日期：2002-08-27 00:00:00

abstract：BACKGROUND:NAD(P)H oxidases are important sources of superoxide in the vasculature, the activity of which is associated with risk factors for human atherosclerosis. This study was designed to investigate the localization of superoxide production and the expression of the Nox family of NAD(P)H oxidase proteins (gp91phox...

journal_title：Circulation

authors： Sorescu D,Weiss D,Lassègue B,Clempus RE,Szöcs K,Sorescu GP,Valppu L,Quinn MT,Lambeth JD,Vega JD,Taylor WR,Griendling KK

更新日期：2002-03-26 00:00:00

abstract：BACKGROUND:In patients with asymptomatic valvular aortic stenosis, exercise testing may help to stratify the clinical risk. However, data are limited, and the role of quantitative exercise Doppler echocardiography has never been investigated. METHODS AND RESULTS:Sixty-nine consecutive patients with severe asymptomatic...

journal_title：Circulation

authors： Lancellotti P,Lebois F,Simon M,Tombeux C,Chauvel C,Pierard LA

更新日期：2005-08-30 00:00:00

abstract：:Twenty-two patients who underwent anatomic correction of transposition of the great arteries at the arterial level at the age of 8 weeks to 14 years were reinvestigated 1-4.6 years (mean 2.0 years) after operation. A Dacron tube was used to bridge the gap between the proximal pulmonary route and the distal pulmonary a...

journal_title：Circulation

authors： Yacoub MH,Bernhard A,Radley-Smith R,Lange P,Sievers H,Heintzen P

更新日期：1982-08-01 00:00:00