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23 results on '"Levinsky, Leon"'

6. Use of the Shaw Scalpel in pacemaker operations

Author

Erdman, Shimshon, Levinsky, Leon, Strasberg, Boris, Agmon, Jacob, and Levy, Morris J.

Abstract

Pacemaker carriers are at risk when undergoing operations involving the use of diathermy. The Shaw Scalpel utilizes a method by which the cutting edge of the blade is heated to a selected temperature that seals blood vessels as they are cut. No electrical currents are passed to or through the patient and there is no sparking or electrical arcing to the tissue. This apparatus was used as the sole method of thermal coagulation in 20 patients undergoing replacement of pacemaker batteries.

Published
1985
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7. Reconstruction of the new atrial septum in the Senning operation

Author

Levinsky, Leon, Srinivasan, V., Alvarez-Diaz, Francisco, and Subramanian, S.

Abstract

A new technique incorporating the left atrial appendage for the reconstruction of the new atrial septum is described as a modification of the original Senning operation for transposition of the great arteries. In reconstruction of the atrial septal flap, the balloon septostomy defect is closed by approximating the inverted left atrial appendage to the anterior margin of the flap. This technique completely eliminates the necessity for foreign material in the repair of the new atrial septum of the Senning operation and has been used in 21 patients with good results.

Published
1981
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8. Supravalvular stenosing ring of the left atrium: Case report and review of the literature

Author

Srinivasan, V., Lewin, A. Norman, Pieroni, Daniel, Levinsky, Leon, Alicea, Jose Ramon Gomez, and Subramanian, S.

Subjects
cardiovascular system, cardiovascular diseases, Articles
Abstract

This report concerns a 3(1/2)-year-old boy who had a supravalvular stenosing ring of the left atrium that produced left ventricular inflow obstruction. Echocardiographic and angiocardiographic data are presented, along with a review of the literature and possible theories as to the origin of this lesion.

Published
1980

9. Cardiovascular effects of UD-CG 212 CL, a metabolite of pimobendan, in anaesthetized pigs

Author

Verdouw, Pieter D., Levinsky, Leon, Duncker, Dirk J., Rutteman, A. Marita, Saxena, Pramod R., Verdouw, Pieter D., Levinsky, Leon, Duncker, Dirk J., Rutteman, A. Marita, and Saxena, Pramod R.

Abstract

Systemic and regional haemodynamic effects of UD-CG 212 CL (0.5-16 micrograms X kg-1 X min-1), the major metabolite of the vasodilator and cardiotonic drug pimobendan, were studied in anaesthetized pigs. The drug caused a dose-dependent decrease in left ventricular (LV) end-diastolic and arterial blood pressures while it increased systemic vascular conductance, heart rate and maxLVdP/dt. The decrease in LV end-diastolic pressure was observed at lower plasma concentrations than the increase in systemic vascular conductance. Cardiac output tended to decrease but statistical significance was achieved only with the highest concentration. These effects of UD-CG 212 CL were not altered by the blockade of beta-adrenoceptors with propranolol. The vasodilator action of UD-CG 212 CL was noticed in several organs but the effects were relatively more marked (in decreasing order of magnitude) in the adrenals, kidneys, gastrointestinal tract, brain and LV epicardium. Since both arterial pressure and cardiac output decreased, the blood flow increased significantly only in the adrenals and decreased moderately in the spleen, LV endocardium and skeletal muscles. The effects of UD-CG 212 CL on the renal and skeletal muscle haemodynamics were different from those of pimobendan, which causes vasodilatation in the skeletal muscles but not in the kidneys. The results of this study show that, like the parent compound pimobendan, UD-CG 212 CL has independent cardiotonic and vasodilator actions; the latter being more pronounced on the venous side. However, the contribution of this metabolite to the overall pharmacological activity of pimobendan appears to be limited.

Published
1987

12. Cold Blood-Potassium Cardioplegia

Author

Levinsky, Leon, primary, Lee, Arthur B., additional, Lee, Kee C., additional, Tatransky, Frank, additional, Dockstader, Ronald, additional, and Schimert, George, additional

Published
1980
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21. Congenital diverticulum of the left atrium.

Author

Srinivasan V, Levinsky L, Idbeis B, Gingell RL, Pieroni DR, and Subramanian S

Abstract

Two cases of congenital diverticulum of the left atrial appendage are described. The first patient was a 3-year-old girl who had a cerebral embolism. The second patient was a 3(1/2)-year-old girl with signs of pericarditis. Treatment consisted of excising the diverticula. The limited literature on diverticulum of the left atrium as a congenital abnormality is also briefly reviewed.

Published
1980

22. Supravalvular stenosing ring of the left atrium: Case report and review of the literature.

Author

Srinivasan V, Lewin AN, Pieroni D, Levinsky L, Alicea JR, and Subramanian S

Abstract

This report concerns a 3(1/2)-year-old boy who had a supravalvular stenosing ring of the left atrium that produced left ventricular inflow obstruction. Echocardiographic and angiocardiographic data are presented, along with a review of the literature and possible theories as to the origin of this lesion.

Published
1980

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