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The Journal of Thoracic and Cardiovascular Surgery, Vol 70, 330-337, Copyright © 1975 by The American Association for Thoracic Surgery and The Western Thoracic Surgical Association

ARTICLES

Consturction of new right ventricle on the epicardium: a possible correction for underdevelopment of the right ventricle

S Seki, O Ohba, M Tanizaki, S Takahashi and S Teramoto

By covering almost the entire right ventricular free wall and the anterior wall of the left ventricle with a Teflon cloth, we constructed a new chamber on the epicardium of a canine heart. An aortic homograft with the aortic valve was anastomosed to the right atrium as an inlet of this chamber. Another aortic homograft was sutured to the main pulmonary artery as an outlet. Pressure produced in this chamber ranged 25 to 55 mm. Hg and its first derivative was 450 to 1,870 mm. Hg per second. Thus this chamber had an excellent capability of epicardium will yield more physiological benefits to patients with an agenetic or hypoplastic right ventricle than do the current surgical procedures, in which a conduit is interposed between the right atrium and the main pulmonary artery. The procedures proposed could pressurize the pulmonary circulation and produce a pulsatile flow.


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