Leathanach 1 ó 10220 torthaí
Arterial hypoxaemia is observed during operation and also in the recovery room. Hypoxaemia during operation may be due to altered pulmonary mechanical conditions, drug-induced physiological changes and technical errors. Early postoperative hypoxaemia is frequently observed after general anaesthesia
Peridural analgesia was combined with the respiratory-stimulant effect of doxapram for intermittent hyperinflation of the lungs to reverse early postoperative (PO) hypoxemia following inhalation anesthesia for upper abdominal operations. Twenty unpremedicated men undergoing upper abdominal
The incidence of immediate postoperative hypoxaemia following general anaesthesia was studied using a pulse oximeter in 120 ASA category I and II patients during transport to the recovery room. Thirty-two percent of those not given oxygen during transport developed desaturation (SaO2 less than 90%)
Acute mountain sickness (AMS) and high-altitude cerebral edema share common clinical characteristics, suggesting cerebral swelling may be an important factor in the pathophysiology of AMS. Hypoxia and hypocapnia associated with high altitude are known to exert strong effects on the control of the
Sustained hypoxia evokes a predictable cascade of ventilatory, neurochemical, and metabolic responses. Responses in immature animals are characterized by earlier and more marked depression of ventilation than fully mature animals. Ventilation during hypoxia reflects a collective system output,
Hypoxia is a normal and essential part of embryonic development. However, this state may leave the embryo vulnerable to damage when oxygen supply is disturbed. Embryofetal response to hypoxia is dependent on duration and depth of hypoxia, as well as developmental stage. Early postimplantation rat
BACKGROUND
Perinatal asphyxia and its neurological signs are the most important cause of brain damage and neurological sequelae in full term newborn babies. Neuroprotection treatments currently being investigated promise to reduce such sequelae, but these treatments are not without risk and the
The cause of the most marked changes in the evolution of life, which define the first-order stratigraphic boundary between the Precambrian and the Phanerozoic eon, remains enigmatic and a highly topical subject of debate. A global ocean anoxic event, triggered by large-scale hydrogen sulphide
Shifts of the steady state of cytochromes a, a3 and c at high pO2 values are cited as evidence of the low O2 affinity of cytochrome oxidase in vivo [(1971) Brain Res. 108, 143-154; (1985) Adv. Exp. Med. Biol. 191, 833-842; (1987) in: Int. Soc. Oxygen Transp. Tissue, Sapporo, p. 84]. Highly aerobic,