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：:There has been skepticism since the early days of open heart surgery that good long-term or even short-term results were possible with repair of pure mitral insufficiency. The authors report 145 patients in whom a markedly insufficient mitral valve was repaired 6 months to 17 years previously and another 55 patients i...

journal_title：American heart journal

authors： Kay JH,Zubiate P,Mendez MA,Vanstrom N,Yokoyama T

更新日期：1978-08-01 00:00:00

abstract：:Probucol, a new cholesterol-lowering agent, was administered to ambulatory outpatients representing several classes of hyperlipoproteinemia (HL) for two years without dietary restriction. In 32 patients with Type II HL and 12 with Type IIB HL, statistically significant reduction in mean serum cholesterol levels occurr...

journal_title：American heart journal

authors： Parsons WB Jr

更新日期：1978-08-01 00:00:00

abstract：:Heart rate responses to three different procedures (amyl nitrite inhalation, standing up, and isoproterenol infusion), were studied before and during acute adrenergic beta blockade with intravenous propranolol in three normal and six hypertensive subjects. Propranolol decreased, but did not completely abolish, the hea...

journal_title：American heart journal

authors： Niarchos AP,Tahmooressi P,Tarazi RC

更新日期：1978-07-01 00:00:00

abstract：:A case of tricuspid atresia with unusual echocardiographic findings is presented. The echocardiogram was successful in defining great artery interrelationships, ventricular looping, and cavity sizes. An echo pattern resembling the motion of a small tricuspid valve was observed; this was proven to be spurious at cathet...

journal_title：American heart journal

authors： Silverman NH,Payot M,Stanger P

更新日期：1978-06-01 00:00:00

abstract：:Hemodynamic studies were performed in 27 patients at a mean interval of 40.3 (range 24 to 59) months following mitral valve replacement with pericardial xenografts. Six patients had sequential studies, one before operation and two separate investigations at mean intervals of 11.2 and 42.8 months following valve replac...

journal_title：American heart journal

authors： Tandon AP,Smith DR,Ionescu MI

更新日期：1978-05-01 00:00:00

abstract：:New postoperative electrocardiographic Q waves have been described in eight of 40 per cent of patients undergoing bypass grafting for coronary artery disease. Various theories have been proposed to explain these new Q waves. Correlations of new Q waves to vein bypass occlusion, prolonged pump time or aortic cross-clam...

journal_title：American heart journal

authors： Aintablian A,Hamby RI,Hoffman I,Weisz D,Voleti C,Wisoff BG

更新日期：1978-04-01 00:00:00

abstract：:Although many patients with coronary artery disease (CAD) have a positive exercise test without pain, the frequency and significance of this "silent" ischemia is unclear. Therefore, we studied 122 consecutive clinically stable patients with angiographically defined CAD (greater than 75 per cent luminal stenosis) and a...

journal_title：American heart journal

authors： Lindsey HE Jr,Cohn PF

更新日期：1978-04-01 00:00:00

abstract：:Two patients with isolated T wave alternans are reported, with their vectocardiograms, their response to carotid sinus stimulation, and the response to calcium infusion in one of them with documented severe hypocalcemia. Eleven cases of the literature are briefly reviewed. The alternans of the T wave appears with seve...

journal_title：American heart journal

authors： Navarro-Lopez F,Cinca J,Sanz G,Periz A,Magriña J,Betriu A

更新日期：1978-03-01 00:00:00

abstract：:The conducting tissue of the heart was studied in 25 human cases of Chagas' myocarditis with a method which employs complete serial sections mounted on continuous transparent plastic tape. The pathological changes were correlated with electrocardiographic findings. The inflammation of the acute phase of Chagas' myocar...

journal_title：American heart journal

authors： Andrade ZA,Andrade SG,Oliveira GB,Alonso DR

更新日期：1978-03-01 00:00:00

abstract：:Twenty-six patients with Ebstein's anomaly were classified into three types according to their clinical features, heart catheterization data, angiocardiographic and anatomical findings which were obtained on surgery or autopsy. The hemodynamics in each type were discussed. 1. Tricuspid Stenosis Dominant Type. Eight pa...

journal_title：American heart journal

authors： Takayasu S,Obunai Y,Konno S

更新日期：1978-02-01 00:00:00

abstract：:Even though congestive heart failure is extremely common, the mechanisms responsible for the clinical manifestations remain a puzzle. The central and autonomic (sympathetic) nervous systems are responsible for a large part of the clinical manifestations. The role of the nervous system in CHF is discussed briefly. It i...

journal_title：American heart journal

authors： Burch GE

更新日期：1978-02-01 00:00:00

abstract：:Mitochondria in skeletal and cardiac muscle have been found to be less stable in aging hamsters, in contrast to preparations from young animals. We have found previously that clofibrate (Atromid-S) will reverse this degeneration in the older hamsters. This study examined the exercise tolerance of aged hamsters, to see...

journal_title：American heart journal

authors： Guntheroth WG,Inamdar AR,Person R,Mackler B

更新日期：1977-10-01 00:00:00

abstract：:The results of valve replacement in 150 patients with Lillehei-Kaster aortic and mitral prostheses followed for 20 to 40 months are reviewed. Actuarial analysis showed 78 per cent cummulative thromboembolic-free rate three years following mitral valve replacement and 89 per cent following aortic valve replacement. Fiv...

journal_title：American heart journal

authors： Forman R,Beck W,Barnard CN

更新日期：1977-09-01 00:00:00

abstract：:Bacterial shock due to Gram-negative bacilli is best managed by prompt control of the infection with appropriate antibiotics and surgical drainage or excision. Corticosteroids for purposes of controlling systemic reactions to bacteria and their toxins constitute adjunctive therapy. Volume repletion and respiratory sup...

journal_title：American heart journal

authors： Shubin H,Weil MH,Carlson RW

更新日期：1977-07-01 00:00:00

abstract：:Three patients with subpulmonic ventricular septal defect and pulmonary valve fluttering by echocardiography are presented. The echographic changes appear identical to that reported with infundibular pulmonic stenosis and the mechanism causing this fluttering is probably similar. ...

journal_title：American heart journal

authors： Glasser SP,Baucum RW Jr

更新日期：1977-07-01 00:00:00

abstract：:A case with total intra-His bundle block and intermittent pre-excitation syndrome is presented. During A-V conduction there was a P-delta interval of 130 msec. with a P-A interval of 20 msec., an A-H interval of 60 msec. and an H-V interval of 50 msec. During rapid atrial pacing the P-delta interval increased primaril...

journal_title：American heart journal

authors： Probst P,Pachinger O,Steinbach K,Kaindl F

更新日期：1977-07-01 00:00:00

abstract：:Histological study of the sinoatrial node (SAN) was performed in 111 patients in order to estabilsh correlations between the ECG findings and the anatomical lesions. This series includes both patients with sinus rhythm and patients with atrial arrhythmias. The results are as fololows: (a) the amount of nodal cells in ...

journal_title：American heart journal

authors： Thery C,Gosselin B,Lekieffre J,Warembourg H

更新日期：1977-06-01 00:00:00

abstract：:To evaluate the stability of precordial ST-segment mapping techniques in assessing ischemic myocardial injury, we studied 28 patients with acute anterior myocardial infarction using a 49-lead electrocardiographic system (1 mV. = 10 mm.). The sum of ST elevations in millimeters was taken as an index of ischemic injury,...

journal_title：American heart journal

authors： Madias JE,Hood WB Jr

更新日期：1977-05-01 00:00:00

abstract：:A large series of 306 patients with ischemic heart disease was studied with automated systolic time intervals and left ventricular ejection fraction as determined by the angiocardiographic method. It was found the pre-ejection period, left ventricular ejection time, delta values, and PEP/LVET ratio all were related to...

journal_title：American heart journal

authors： Swatzell RH Jr,Bancroft WH Jr,Baldone JC Jr,Tucker MS

更新日期：1977-04-01 00:00:00

abstract：:The effect of the reperfusion on myocardial infarction has been studied in the rat in order to assess the possible reversibility of myocardial damage. The present study deals with reperfusion of experimental myocardial infarction in the rat. Two groups of animals were compared: one was subjected to permanent ischemia ...

journal_title：American heart journal

authors： Deloche A,Fabiani JN,Camilleri JP,Relland J,Joseph D,Carpentier A,Dubost C

更新日期：1977-03-01 00:00:00

abstract：:Externally recorded STI were compared with invasively determined EF in 10 normal subjects and 86 patients with various forms of chronic heart disease. From phono-, apex-, and electrocardiograms and carotid pulse tracings, recorded without rigidly controlled conditions (postabsorptive state, fixed time of day, exclusio...

journal_title：American heart journal

authors： Sutton R,Hodd WP Jr,Koch GG

更新日期：1977-03-01 00:00:00

abstract：:Left ventricular angiography frequently produces one or more premature atrial or ventricular contractions which may make quantitative volume analysis unreliable. Three hundred left ventricular power injections were analyzed and found to produce premature ventricular contractions (PVC's) in 28 per cent of injections an...

journal_title：American heart journal

authors： Caldwell JH,Kennedy JW

更新日期：1977-02-01 00:00:00

abstract：:Eighty-seven patients with isolated ventricular septal defect (VSD) operated on in the first 5 years of life, that had a mean interval of 10 months between diagnostic catheterization and surgery, were studied retrospectively. The size of the VSD was correlated with diagnostic catheterization data and comparative analy...

journal_title：American heart journal

authors： Yasui H,Yoshitoshi M,Miyamoto AT,Kato H,Takeda Y

更新日期：1977-01-01 00:00:00

abstract：:This case report presents a young adult with asymmetric septal hypertrophy (ASH) and syncope. Infranodal complete heart block was demonstrated as his cause for syncope. Therapy consisted of implantation of a A-V sequential pacemaker. Cardiac output determinations and systolic time intervals demonstrated the beneficial...

journal_title：American heart journal

authors： Chmielewski CA,Riley RS,Mahendran A,Most AS

更新日期：1977-01-01 00:00:00

abstract：:There are selective blocking agents (antagonists) for alpha receptors and beta receptors. These blocking agents prevent the response to injected agonists and neurogenically released norepinephrine. The principal cardiovascular response to alpha blockade is postural hypotension with reflexly induced cardiac stimulation...

journal_title：American heart journal

authors： Ahlquist RP

更新日期：1976-12-01 00:00:00

abstract：:Coronary arterial stenosis of varying severity and length were created in open-chest dogs. The reactive hyperemic responses (RHR) to 15 second occlusions were used to produce flow increases and judge the physiological significance of the narrowings. RHR are sensitive indices of functional impairment when resting flow ...

journal_title：American heart journal

authors： Hillis WS,Friesinger GC

更新日期：1976-12-01 00:00:00

abstract：:A 35-year-old man suffered transmural diaphragmatic wall infarction immediately after receiving a nonpenetrating trauma to his chest. During subsequent months crippling angina pectoris developed and coronary arteriography was performed. A complete obstruction of the left circumflex coronary artery was demonstrated 2 c...

journal_title：American heart journal

authors： Oren A,Bar-Shlomo B,Stern S

更新日期：1976-10-01 00:00:00

abstract：:Free fatty acids (FFA), the predominant myocardial energy substrate, are present in increased quantities immediately following acute myocardial infarction (AMI) and may cause deleterious alterations in cardiac rhythm, oxygen consumption, and mechanical performance. In an attempt to suppress FFA and simultaneously incr...

journal_title：American heart journal

authors： Rogers WJ,Stanley AW Jr,Breinig JB,Prather JW,McDaniel HG,Moraski RE,Mantle JA,Russell RO Jr,Rackley CE

更新日期：1976-10-01 00:00:00

abstract：:In order to properly advise cardiac patients in the regulation of their sexual activity, more basic physiologic information is needed concerning the cardiovascular effects of sexual intercourse. This study examined the effects of the male's position during sexual intercourse on heart rate and blood pressure responses....

journal_title：American heart journal

authors： Nemec ED,Mansfield L,Kennedy JW

更新日期：1976-09-01 00:00:00

abstract：:The present experiments were conducted on isolated dog hearts to demonstrate that conduction disturbances can be induced in the bundle branches by transection of about 50 per cent of the cross-sectional area of the His bundle on the right or left side. The His bundle, the posterior and anterior divisions of left bundl...

journal_title：American heart journal

authors： Fabregas RA,Tse WW,Han J

更新日期：1976-09-01 00:00:00

abstract：:The systemic and renal hemodyanmic effects of bupicomide were studied in 10 male patients with uncomplicated essential hypertension of moderate severity. Bupicomide significantly reduced systolic, diastolic, and mean arterial pressure and peripheral vascular resistance and this hypotensive effect was associated with a...

journal_title：American heart journal

authors： Chrysant SG,Adamopoulos P,Tsuchiya M,Frohlich ED

更新日期：1976-09-01 00:00:00

abstract：:Three kinds of torso surface isopotential maps (measured, simulated, and difference maps) were delineated at every 1.5 (or 3) msec. during the QRS duration from the 85 unipolar lead ECG's led from the surface of a cylindrical torso model filled with perfusate and containing a canine heart undergoing Langendorff's perf...

journal_title：American heart journal

authors： Toyoshima H

更新日期：1976-08-01 00:00:00

abstract：:Three cases of rupture of the interventricular septum occurring coincident with acute inferior myocardial infarction are reported and the relevant literature is reviewed. One patient under-went successful surgical repair and, in addition, had an aneurysmectomy. Clues and pitfalls in diagnosis as well as the possible c...

journal_title：American heart journal

authors： Longo EA,Cohen LS

更新日期：1976-07-01 00:00:00

abstract：:Salient clinical, hemodynamic, angiocardiographic, and pathologic findings are presented in 100 patients with truncus arteriosus communis, 79 of whom were studied at autopsy. In this study of typical truncus, all had a ventricular septal defect (type A). Truncus with a partially formed aorticopulmonary septum (type A1...

journal_title：American heart journal

authors： Calder L,Van Praagh R,Van Praagh S,Sears WP,Corwin R,Levy A,Keith JD,Paul MH

更新日期：1976-07-01 00:00:00

abstract：:The P and the Ta waves of two patient groups with A-V block were magnified with a direct-current amplifier and recorded at a high paper speed. In Group A patients (those without serious cardiovascular complications except A-V block) the P and the Ta waves were recorded in the opposite direction in every lead and there...

journal_title：American heart journal

authors： Hayashi H,Okajima M,Yamada K

更新日期：1976-06-01 00:00:00

abstract：:There are many similarities between the clinical features of viral heart disease and of rheumatic carditis, as defined in the revised Jones criteria for the diagnosis of rheumatic fever. Because of this, it is likely that viral heart disease has been, and still is, diagnosed as rheumatic. This situation can be avoided...

journal_title：American heart journal

authors： Ward C

更新日期：1976-05-01 00:00:00

abstract：:Intramuscular lidocaine administration is known to produce blood concentration levels considered to be therapeutic for prevention of premature ventricular contractions. This double blind study was designed to study the effect of intramuscular lidocaine in the prevention of PVC's in acute myocardial infarction. Forty-s...

journal_title：American heart journal

authors： Singh JB,Kocot SL

更新日期：1976-04-01 00:00:00

abstract：:Echocardiography was performed on 26 patients with prosthetic Björk-Shiley aortic valves (BSAV). Technically satisfactory records were obtained in 22 patients. The systolic displacement of the valve disc varied from 1 to 1.8 cm. (mean, 1.4 cm.). Six patients developed valve dysfunction. Two patients had complete absen...

journal_title：American heart journal

authors： Chandraratna PA,Lopez JM,Hildner FJ,Samet P,Ben-Zvi J

更新日期：1976-03-01 00:00:00

abstract：:An expression representative of the rate of change of ventricular power during ejection was derived. The primary advantages of the expression are its theoretical value and its ability to characterize ventricular performance. The rate of change of ventricular power, measured during ejection, is virtually free of assump...

journal_title：American heart journal

authors： Stein PD,Sabbah HN

更新日期：1976-02-01 00:00:00