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Modifications hémodynamiques cérébrale et systémiques au moment du réveil en neurochirurgie [Cerebral and systemic haemodynamic changes during neurosurgical recovery]
Annales Françaises d'Anesthésie et de Réanimation
English Abstract Journal Article Review --- Old month value: Apr
Major complications after intracranial surgery occur in 13-27% of patients. Among multiple causes, haemodynamic and metabolic changes of anaesthesia recovery may be responsible for intracranial complications. Recovery from neurosurgical anaesthesia is followed by an increase in body oxygen consumption and catecholamines concentrations. However, in normothermic patients, theses changes are usually mild and not prevented by a 2-h recovery delay. Systemic hypertension is common after neurosurgery and a link between perioperative hypertension and intracranial haemorrhage has been established. The cerebral consequences of recovery associate cerebral hyperaemia and increased ICP in patients with a tight brain at the end of surgery. Cerebral hyperaemia may promote or exacerbate cerebral haemorrhage or oedema. This has been demonstrated in patients operated for subdural haematoma removal or undergoing carotid surgery. Prevention of hypothermia and pain are key factors to prevent metabolic changes. Beta-blockers seem to be suitable agents to obtain haemodynamic control in neurosurgical patients.
Anesthesia Recovery Period, Brain Chemistry/physiology, Cerebrovascular Circulation/physiology, Craniotomy, Hemodynamics/physiology, Humans, Intracranial Pressure/physiology, Monitoring, Physiologic, Neurosurgical Procedures
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