Methods Extracorporeal circulation was performed with a Crafoord-Senning pump-oxygen-
ator. The venous return to the heart was collected through a cannula in the right**.** atrium …

Extracorporeal circulation can be described in the fashionable language of the day as a life
support system. Its main application is in the field of cardiac and great vessel surgery where …

Interest in prolonged perfusions has increased pari passu with the possibility of treating the
more compli-cated cardiac deformities. Prolonged perfusions may be of interest also in …

THE surgical groups engaged in cardiovascular surgery differ in their choice of perfusates to
prime pump-oxygenators for cardiopulmonary bypass. Some insist on whole heparinized …

MATERIALS AND METHODS Adult mongrel dogs ranging in weight from 14 to 20 kilograms
were used. They were anesthetized by the intravenous injection of a 5 per cent solution of …

OPEN intracardiac surgery has as its aim the accurate identification and precise cor-rection
of a cardiac lesion under direct vision. This goal, which demands a relatively bloodless …

Methods The extracorporeal circulation consisted of a Melrose (1953) oxygenator together
with an occlusive pump (Nixon, 1959), and hypothermia was not used. Before perfusion 2.5 …

METHODS Mongrel clogs, weighing 11 to 21 Kg., were premedicated with morphine (10
mg./Kg.) and anesthetized with sodium pentobarbital (20 mg./Kg.). A No. 20 Fr. catheter …

METHODS The present series of 45 dogs includes all animals perfus ed over a period of 23
yr. Because of changes in the perfusion team and in the equipment avail-able, some …

Investigation of the physiologic changes associated with extracorporeal circulation has
paralleled use of this technique in operative correction of intracardiac lesions in man. These …