METHODS Patients. The patients comprised twelve females and eight males whose ages
ranged from 5 to 21 years. Eleven had atrial septal defects of the secundum type associated …

Methods Extracorporeal circulation was carried out in nine adult mongrel dogs using a
Crafoord-Senning pump-oxygenator. Through a right thoracotomy a single cannula was …

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 …

1826 DEC. 24, 1960 THE CHALLENGE TO THE MEDICAL PROFESSION BITRISH and
ecological approach to every patient under their care. The factors disclosed may be of …

MATERIALS AND METHODS Adult mongrel dogs in the weight range of 19 to 27 kilograms
were fasted overnight, premedicated with 1 mg. per kilogram of morphine sulfate and 0.4 …

METHOD The spinning disc oxygenator and a roller pump has been used for extracorporeal
circulation at a temperature of 30 to 33 C; 3 mg. heparin per kilogram of body weight was …

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 …

Extracorporeal oxygenation has distinct hazards and limitations which are inherent in the
basic process of gas exchange. Clinical and laboratory studies have demonstrated that all …

The literature of the past five years has shown that extracorporeal circulation is increasingly
used as an aid in cardiovascular operations, par-ticularly in America, whcre clinics there …

Open-heart operations using total-body perfusion may be accompanied by complications
that do not commonly, occur in other types of thoracic surgery. This is a review of the most …