1. In foetal lambs the effect of raising and lowering arterial PO2 (by varying the O2 content of
the maternal inspired gas mixture) was studied in order to determine whether the systemic …

1. In foetal lambs, delivered by Caesarean section under light chloralose anaesthesia,
injection of sodium cyanide into the left atrium or ascending aorta caused a rise of arterial …

SUMMARY A modified naso-endotracheal tube is described which facilitates prolonged
intermittent positive pressure ventilation of the lungs in infants and children. A crosspiece …

Fourteen studies were carried out on nine neonates who required assisted ventilation for the
management of the respiratory distress syndrome. The object was to investigate the …

BY JB OWEN-THOMAS* AND JT REEVES From the Nuffeld Institute for Medical Research,
University of Oxford (Received 4 Septemb Page 1 J. Physiol. (1969), 201, pp. 665-672 665 …

The consequences of untreated upper airway obstruction in childhood have occupieda
tragically common place in medical literature, graphically recorded by Francis Home in 1765 …

Results Pneumonia presenting with circulatory failure. The striking features of this group
were the short history, often without respiratory symptoms, and the early occurrence of …

Measurements of oxygen uptake (Vo2) were carried out in infants with congenital heart
disease using a circuit devised for use during the nitrous oxide/oxygen, controlled ventilation …

The adult (Wright) respirometer has been redesigned for neonates. A calibrated Krogh
spirometer has been used to check the accuracy and a regression relationship derived over …

A T-piece pneumotachograph has been evaluated experimentally to determine its suitability
for use during controlled pulmonary hyperventilation. The pressure drop across the …