ISSN:0009-7322    

出版商:OVID    

年代:1959

数据来源: OVID

摘要:

To explore the possibilities of fibrinclytic therapy of coronary thrombosis, experimental studies were carried out to document lysis of coronary thrombi and to investigate the effect of fibrinolytic blood upon myocardial infarction. Serum-induced coronary thrombi were produced by a new technic and were followed by serial coronary arteriography. Control animals were compared to animals in which significant fibrinolytic activity had been induced by systemic infusions of plasmin. Tissue studies suggest that plasmin may change the evolution of early infarction. Whether these changes will ultimately result in salvage of ischemic tissue will be determined by studies now in progress.

ISSN:0009-7322    

出版商:OVID    

年代:1959

数据来源: OVID

摘要:

An opportunity to study the mechanism in pre-excitation was provided by 3 patients with unusual features: coexistence of right bundle-branch block and pre-excitation, occurrence of 2 types of anomalous ventricular complex, and simultaneous occurrence of pre-excitation and varying grades of atrioventricular block (first degree to complete). The conclusion was reached that a functioning structural atrioventricular neuromuscular bypass is present in these cases.

ISSN:0009-7322    

出版商:OVID    

年代:1959

数据来源: OVID

摘要:

The hereditary occurrence of the pre-excitation (Wolff-Parkinson-White) syndrome in 3 generations of 1 family is reported. The syndrome was observed in a grandfather. father, in a set of identical twin girls, and in the male of a second set of fraternal twins. Completed abortive circus movements with re-entry into the normal conduction pathway, as well as concealed forward conduction, in the pre-excitation syndrome are demonstrated. The importance of this observation for the understanding of the mechanism of the Wolff-Parkinson-White syndrome is discussed.

ISSN:0009-7322    

出版商:OVID    

年代:1959

数据来源: OVID

摘要:

Serial ballistocardiograms of 30 patients with chronic severe anemia were studied to assess the cardiovascular state in anemia and after the cure of anemia. The findings in the ballistocardiogram have been compared to those in the electrocardiogram and the roentgenogram. Significance of an abnormal ballistocardiogram, after the cure of anemia is stressed.

ISSN:0009-7322    

出版商:OVID    

年代:1959

数据来源: OVID

摘要:

Opacification of the coronary arteries has been accomplished by direct needle puncture of the ascending portion of the thoracic aorta via a suprasternal approach and injection of highly-concentrated radiopaque medium. Experience with 35 attempts in 31 patients at such coronary opacification is described. The electrocardiographic observations, the reactions, and the complications incident to the study are discussed. Thirteen of the 31 patients had some type of intrapericardial cardiac surgery subsequent to this procedure, and the surgical observations regarding the status of the coronary arteries are compared with the coronary arteriographic findings.

ISSN:0009-7322    

出版商:OVID    

年代:1959

数据来源: OVID

摘要:

Closure of the caval orifices of the right atrium and dynamics of the venae cavae have been studied by an analysis of high-speed cineangiocardiographic records. The influence of respirogenic and cardiogenic factors on venae cavae dynamics was demonstrated. Findings indicated that mechanical and hemodynamic factors interact in directing the atrial blood forward and in preventing its reflux into the venae cavae. Relative narrowing of the caval orifices was demonstrated during atrial systole. The degree of narrowing, however, was insufficient to produce a mechanical closure and thus to prevent caval refluxes when the pressure gradients were altered. The findings are illustrated and discussed.

ISSN:0009-7322    

出版商:OVID    

年代:1959

数据来源: OVID

摘要:

Investigators have produced arteriosclerosis in experimental animals by dietary means for almost half a century. In contrast to the situation in man, however, all previous reports indicate that complicating thrombosis and infarction have been extremely rare in experimental animals. The current report presents dietary regimens by means of which the authors have produced significant numbers of myocardial and renal infarcts in rats (6 of 10 in one group and 4 of 10 in each of 2 others). It is notable that thrombosis occurred before the appearance of severe structural changes in the arterial walls, although abundant fat could often be demonstrated histochemically.

ISSN:0009-7322    

出版商:OVID    

年代:1959

数据来源: OVID

ISSN:0009-7322    

出版商:OVID    

年代:1959

数据来源: OVID

ISSN:0009-7322    

出版商:OVID    

年代:1959

数据来源: OVID