abstract：:A study correlating the electrocardiographic findings and the histology of the atrioventricular (AV) conduction system was carried out in 14 cases with chronic complete AV block and in 13 cases without chronic complete AV block. Patients with chronic complete AV block were divided into two groups, based on the width o...

journal_title：Circulation

authors： Ohkawa S,Hackel DB,Ideker RE

更新日期：1981-04-01 00:00:00

abstract：:The left anterior descending coronary artery of four dogs and the right common carotid artery of 15 rabbits were subjected to 40-60% reduction in transluminal diameter for 1 hour by partial ligation with suture thread. Scanning electron microscopic examination of the luminal surface of these vessels revealed endotheli...

journal_title：Circulation

authors： Gertz SD,Uretsky G,Wajnberg RS,Navot N,Gotsman MS

更新日期：1981-03-01 00:00:00

abstract：:Cerebral and retinal ischemic events have been described in mitral valve prolapse. To determine whether platelets play a part in the pathogenesis of thromboembolism we studied 29 patients with mitral valve prolapse, including nine (group I) with thromboembolism (cerebral, retinal and deep venous), eight (group II) wit...

journal_title：Circulation

authors： Walsh PN,Kansu TA,Corbett JJ,Savion PJ,Goldburgh WP,Schatz NJ

更新日期：1981-03-01 00:00:00

abstract：:The ability of 67Ga citrate and 99mTc pyrophosphate cardiac imaging to detect myocarditis was assessed in an experimental rabbit model. Twenty-three rabbits were imaged approximately 72 hours after infusion of i.v. norepinephrine. Diffuse cardiac uptake was found in 13 of 15 rabbits scanned with 67Ga. Tissue distribut...

journal_title：Circulation

authors： Reeves WC,Jackson GL,Flickinger FW,Kwee HG,Schwiter EJ,Werner J,Whitesell L,Biddle MA,Copenhaver G,Shaikh BS,Zelis R

更新日期：1981-03-01 00:00:00

abstract：:Twenty-three children with valvar or discrete subvalvar aortic stenosis underwent a controlled, progressive bicycle exercise test within 6 months before and 3-30 months after surgery for left ventricular outflow tract obstruction. The patients were divided into three groups according to the preoperative resting gradie...

journal_title：Circulation

authors： Whitmer JT,James FW,Kaplan S,Schwartz DC,Knight MJ

更新日期：1981-02-01 00:00:00

abstract：:The capability of a pulsed Doppler flowmeter combined with a phased-array imaging system to measure volume flow was tested in vitro and in patients undergoing cardiac catheterization. The Doppler-phased-array system (DPA) was used to determine vessel diameter and a superimposed cursor was used to locate the range and ...

journal_title：Circulation

authors： Magnin PA,Stewart JA,Myers S,von Ramm O,Kisslo JA

更新日期：1981-02-01 00:00:00

abstract：:A 28-year-old female undergoing elective total hip replacement experienced an anaphylactic reaction to succinylcholine. Hemodynamics, plasma histamine and catecholamines were measured. The tachycardia experienced during the reaction appeared to be secondary to the sympathoadrenal response rather than a direct chronotr...

journal_title：Circulation

authors： Moss J,Fahmy NR,Sunder N,Beaven MA

更新日期：1981-01-01 00:00:00

abstract：:Two-dimensional suprasternal notch echocardiography was performed in 1033 patients, ages 1 day to 18 years. For the long-axis suprasternal notch view, the transducer was positioned in the suprasternal notch and angled to obtain a plane passing between the right nipple and left scapular tip. In this view, the entire ao...

journal_title：Circulation

authors： Snider AR,Silverman NH

更新日期：1981-01-01 00:00:00

abstract：:A 58-year-old man with hypertensive cardiovascular disease and atrial flutter underwent electrophysiologic studies, including multiple intra-atrial recordings and atrial stimulation. Although the surface ECG suggested the presence of atrial flutter, intra-atrial recordings demonstrated the presence of (1) sinus-like r...

journal_title：Circulation

authors： Gomes JA,Kang PS,Matheson M,Gough WB Jr,El-Sherif N

更新日期：1981-01-01 00:00:00

abstract：:Novel compounds that induce or inhibit platelet aggregation and constrict or dilate blood vessels were recently discovered. These compounds are all derivatives of arachidonic acid and include prostaglandin endoperoxides, thromboxane A2, prostaglandin E2, prostaglandin D2 and prostacyclin. Thromboxane A2 (TxA2) could b...

journal_title：Circulation

authors： Smith JB,Araki H,Lefer AM

更新日期：1980-12-01 00:00:00

abstract：:Postoperative fever and pericardial-pleural reaction, designated postpericardiotomy syndrome (PPS), is a common complication of cardiac surgery involving entry into the pericardium. To determine whether the etiology of PPS is viral or immunologic, we undertook a prospective, triple-blind study of consecutive long-term...

journal_title：Circulation

authors： Engle MA,Zabriskie JB,Senterfit LB,Gay WA Jr,O'Loughlin JE Jr,Ehlers KH

更新日期：1980-12-01 00:00:00

abstract：:To determine whether real-time two-dimensional echocardiography (2-D echo) can estimate the extent of myocardial involvement in patients with acute myocardial infarction (MI), regional wall motion on serial short-axis 2-D echo recordings was analyzed and the summed scores were compared with estimates of infarct involv...

journal_title：Circulation

authors： Nixon JV,Narahara KA,Smitherman TC

更新日期：1980-12-01 00:00:00

abstract：:Serial electrophysiologic testing of multiple drugs was performed in 21 patients with recurrent atrioventricular (AV) nodal reentrant paroxysmal supraventricular tachycardia (PSVT). All patients had reproducible sustained PSVT induced before drug administration. Serial daily PSVT induction was attempted after administ...

journal_title：Circulation

authors： Bauernfeind RA,Wyndham CR,Dhingra RC,Swiryn SP,Palileo E,Strasberg B,Rosen KM

更新日期：1980-12-01 00:00:00

abstract：:Correlates of high-density lipoprotein (HDL) cholesterol levels were studied in 4756 white males and females ages 20-59 years examined during a population survey conducted by 10 North American Lipid Research Clinics. Multivariable analysis was used to assess the relation of social, demographic, physical and behavioral...

journal_title：Circulation

authors： Heiss G,Johnson NJ,Reiland S,Davis CE,Tyroler HA

更新日期：1980-11-01 00:00:00

abstract：:High-density lipoprotein (HDL) cholesterol distributions were compared among 191 black and 1341 white males and 233 black and 1088 white females, ages 5-44 years, examined in five of the Lipid Research Clinic (LRC) population-based surveys. Mean HDL cholesterol was higher in blacks than whites in each 5-year age group...

journal_title：Circulation

authors： Tyroler HA,Glueck CJ,Christensen B,Kwiterovich PO Jr

更新日期：1980-11-01 00:00:00

abstract：:R-wave synchronous equilbrium radionuclide angiography (RNA) is a noninvasive method that provides time-activity curve count information proportional to ventricular volumes and is used for relative volume comparisons within the left or right ventricle to derive the ejection fraction. Comparison of the ventricular coun...

journal_title：Circulation

authors： Sorensen SG,O'Rourke RA,Chaudhuri TK

更新日期：1980-11-01 00:00:00

abstract：:We investigated the association of plasma high-density lipoprotein (HDL) cholesterol levels with levels of cholesterol in other plasma lipoprotein fractions (low-density [LDL], very low density [VLDL] and their sum) and with total plasma cholesterol and triglyceride levels in 3493 males and 3318 females in the Lipid R...

journal_title：Circulation

authors： Davis CE,Gordon D,LaRosa J,Wood PD,Halperin M

更新日期：1980-11-01 00:00:00

abstract：:In this study we extended the characterization of outcome in 1214 medically treated patients with coronary disease by considering nonfatal infarction and death together as ischemic events. At 7 years, the cumulative event rate was 47% (18% for nonfatal infarction as the initial event and 29% for death as the initial e...

journal_title：Circulation

authors： Harris PJ,Lee KL,Harrell FE Jr,Behar VS,Rosati RA

更新日期：1980-10-01 00:00:00

abstract：:This study was undertaken to provide a better anatomic description of the location and course of the left coronary artery within a commonly used ultrasonic tomographic plane. Twenty-three hearts were excised at autopsy and scanned in vitro. The locations of the left main (LMCA), left anterior descending (LAD), and lef...

journal_title：Circulation

authors： Rogers EW,Feigenbaum H,Weyman AE,Godley RW,Vakili ST

更新日期：1980-10-01 00:00:00

abstract：:Although ST-segment abnormalities during acute myocardial infarction are clinically important, the total thoracic distribution of these repolarization potentials has not been reported. To provide this information, 24 patients with acute myocardial infarction were studied. Isopotential body surface maps were constructe...

journal_title：Circulation

authors： Mirvis DM

更新日期：1980-10-01 00:00:00

abstract：:A patient who had disabling supraventricular tachycardia showed electrophysiologic evidence of coexistent right and left Kent bundles. The supraventricular tachycardia was accelerated by sequential antegrade and retrograde conduction over the right and left Kent bundles, respectively. Spontaneous blocking of the condu...

journal_title：Circulation

authors： Cinca J,Valle V,Gutierrez L,Figueras J,Rius J

更新日期：1980-09-01 00:00:00

abstract：:The Persantine-Aspirin Reinfarction Study (PARIS) was a randomized, controlled, double-blind study of dipyridamole (Persantine) and aspirin in secondary prevention of coronary heart disease. Two thousand twenty-six men and women with myocardial infarction (MI) documented by electrocardiographic findings, clinical hist...

journal_title：Circulation

authors：

更新日期：1980-09-01 00:00:00

abstract：:Ventricular tachycardia is unusual in infancy. Three infants are described in whom this arrhythmia was documented by electrophysiologic studies. The ability to start and terminate this rhythm by critically timed premature ventricular stimulation suggests a reentrant mechanism. All three patients have remained free of ...

journal_title：Circulation

authors： Gaum WE,Schwartz DC,Kaplan S

更新日期：1980-08-01 00:00:00

abstract：:Twenty adult patients with predominant mitral valve disease and variable degrees of tricuspid incompetence (TI) were reinvestigated 6-28 months after mitral valve operation. Postoperatively, 10 of the 20 patients were in sinus rhythm, compared with four of 20 preoperatively. Right ventricula peak systolic pressure dec...

journal_title：Circulation

authors： Simon R,Oelert H,Borst HG,Lichtlen PR

更新日期：1980-08-01 00:00:00

abstract：:Over an 8-year period, 20 patients underwent operative repair of ventricular aneurysms during the first 8 weeks after acute myocardial infarction. All patients with multivessel coronary occlusive disease underwent concomitant coronary artery bypass grafting. There was one hospital death, for an early mortality rate o...

journal_title：Circulation

authors： Walker WE,Stoney WS,Alford WC Jr,Burrus GR,Glassford DM,Thomas CS Jr

更新日期：1980-08-01 00:00:00

abstract：:The effect of aortocoronary saphenous bypass graft surgery on survival of functional class I and II patients was studied in 619 patients entered in the Seattle Heart Watch when they had coronary arteriography. Cox's regression analysis was used to correct for differences in baseline characteristics that occur as a res...

journal_title：Circulation

authors： Hammermeister KE,DeRouen TA,Dodge HT

更新日期：1980-08-01 00:00:00

abstract：:This study explored the association between sodium excretion and blood pressure (BP). A new method was used to minimize the measurement error introduced by the large intrinsic variability of 24-hour sodium excretion. The ratio of intra- to interindividual variation was used to estimate the number of measurements neede...

journal_title：Circulation

authors： Cooper R,Soltero I,Liu K,Berkson D,Levinson S,Stamler J

更新日期：1980-07-01 00:00:00

abstract：:While spatial asynergy at end-systole has been well characterized in patients with coronary artery disease, assessment of regional asynchrony has been hampered by technical constraints. We developed a computer-assisted method for analyzing regional asynchrony from the equilibrium (ECG-gated) radionuclide ventriculogra...

journal_title：Circulation

authors： Holman BL,Wynne J,Idoine J,Neill J

更新日期：1980-06-01 00:00:00

abstract：:Diastolic hypertension has been widely and justifiably accepted as a cause of cardiovascular mortality. However, it has also been accepted that the cardiovascular sequelae of hypertension derive chiefly from the diastolic component. Because systolic and diastolic pressure are usually highly correlated it is not easy t...

journal_title：Circulation

authors： Kannel WB,Dawber TR,McGee DL

更新日期：1980-06-01 00:00:00

abstract：:This is a report of a 10-year-old child who underwent surgery for complex congenital heart disease consisting of corrected transposition of the great vessels, ventricular septal defect, patent ductus arterisus, severe left-sided atrioventricular (AV) valve insuffieicney (Ebstein's deformity) and Wolff-Parkinson-White ...

journal_title：Circulation

authors： Benson DW Jr,Gallagher JJ,Oldham HN,Sealy WC,Sterba R,Spach MS

更新日期：1980-06-01 00:00:00

abstract：:Three patients with total anomalous pulmonary venous drainage (TAPVD) into the innominate vein were studied by using M-mode and pulsed Doppler echocardiography. An abnormal continuous flow towards the transducer in a suprasternal notch position detected by pulsed Doppler echocardiography in the left hemithorax leftwar...

journal_title：Circulation

authors： Skovránek J,Tůma S,Urbancová D,Samánek M

更新日期：1980-04-01 00:00:00

abstract：:Variations in the frequency of complex ventricular arrhythmias were evaluated by consecutive 24-hour long-term electrocardiographic recordings over 4 days using a two-channel recorder and computer-assisted analysis system with a weighted relative mean error of 7.5 +/ 5% (SD). Twenty patients (mean age 58 +/- 9 years ...

journal_title：Circulation

authors： Michelson EL,Morganroth J

更新日期：1980-04-01 00:00:00

abstract：:The morphologic consequences of transluminal angioplasty of stenotic atherosclerotic coronary arteries are unknown. This study describes the production of aortoiliac atherosclerosis in rabbits and reports the morphologic changes after transluminal angioplasty of stenotic arterial lesions. Atherosclerotic lesions were ...

journal_title：Circulation

authors： Block PC,Baughman KL,Pasternak RC,Fallon JT

更新日期：1980-04-01 00:00:00

abstract：:A genetic-epidemiologic study was undertaken of a white Colorado population of 207 patients who had a myocardial infarction before age 55 years. Nineteen independent variables were compared between the 207 cases and 621 controls, matched 3:1. The highest risk ratios were associated with a positive family history for i...

journal_title：Circulation

authors： Nora JJ,Lortscher RH,Spangler RD,Nora AH,Kimberling WJ

更新日期：1980-03-01 00:00:00

abstract：:Myocardial lactate production indicates anaerobic metabolism resulting from hypoxia or anoxia. Clinically, myocardial lactate extraction of less than 10% has also been used as an indicator of ischemia. Sixteen healthy young male volunteers underwent coronary sinus and aterial catheterization. A coronary sinus pacing c...

journal_title：Circulation

authors： Gertz EW,Wisneski JA,Neese R,Houser A,Korte R,Bristow JD

更新日期：1980-02-01 00:00:00

abstract：:Ethmozin, a phenothiazine derivative, is an antiarrhythmic drug synthesized in the USSR. Preliminary data suggest that it is effective against a diversity of ectopic arrhythmias. The present study, carried out in the USSR, was designed to assess efficacy and patient tolerance of this new drug. Thirty-seven patients wi...

journal_title：Circulation

authors： Podrid PJ,Lyakishev A,Lown B,Mazur N

更新日期：1980-02-01 00:00:00

abstract：:A transient form of hypertrophic cardiomyopathy has been previously described in infants of diabetic mothers (IDMs). The purpose of this study was to determine the incidence, natural history and pathologic features of this cardiomyopathy in symptomatic and asymptomatic IDMs. We studied 47 IDMs for evidence of cardiomy...

journal_title：Circulation

authors： Gutgesell HP,Speer ME,Rosenberg HS

更新日期：1980-02-01 00:00:00

abstract：:The effect of timolol vs placebo on the frequency of anginal episodes, nitroglycerin consumption and exercise performance was investigated in a double-blind, randomized, crossover study in 23 patients with angina pectoris. The optimal dose of timolol (10-30 mg twice daily) for each patient was titrated by exercise stu...

journal_title：Circulation

authors： Aronow WS,Turbow M,Van Camp S,Lurie M,Whittaker K

更新日期：1980-01-01 00:00:00

abstract：:For estimating left ventricular mass (LVM), ECG criteria for left ventricular hypertrophy (LVH) were selected from conventional 12-lead ECGs, orthogonal three-lead ECGs, and multiple-dipole ECGs (MDECG). The three cardiograms were recorded in 139 patients for whom the degree of LVH was independently determined from bi...

journal_title：Circulation

authors： Dunn RA,Pipberger HV,Holt JH Jr,Barnard AC,Pipberger HA

更新日期：1979-12-01 00:00:00

abstract：:Twelve patients with medically refractory ventricular tachycardia secondary to ischemic heart disease underwent surgery for cure of their arrhythmia. Preoperatively, the tachycardia could be reproducibly initiated and terminated in each patient by programmed stimulation. In all instances, intraoperative mapping locali...

journal_title：Circulation

authors： Josephson ME,Harken AH,Horowitz LN

更新日期：1979-12-01 00:00:00