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Canadian Journal of Anesthesia, Vol 41, 321-331, Copyright © 1994 by Canadian Anesthesiologists' Society

ARTICLES

Cerebral arteriovenous malformations in children

C Millar, B Bissonnette and RP Humphreys
Department of Anaesthesia, Hospital for Sick Children, University of Toronto, Ontario, Canada.

The treatment of cerebral arteriovenous malformations (AVM) or vascular anomalies are challenging neurosurgical procedures for an anaesthetist. Large AVMs are uncommon in children. Only 18% of AVMs become symptomatic before the age of 15 yr. This series reviews the experience at this institution during the period of 1982 to 1992. The symptoms at the time of presentation are varied and include haemorrhage (50%), seizures and hydrocephalus (36%) or congestive cardiac failure (18%). Symptoms of congestive heart failure predominate in the newborn whilst neurological symptoms, such as stroke, seizures or hydrocephalus occur more commonly in infants and older children. Approximately one third of AVMs in childhood present acutely. Radiological investigations, e.g., CT scan, MRI and cerebral angiography are essential to identify the precise location of the lesion. Therapeutic intervention in the acute presentation may involve craniotomy for evacuation of haematoma and treatment of increased intracranial pressure (ICP). Control of seizures and congestive heart failure may take priority and allow time to plan the elective procedures of embolization and surgical excision of the AVM. Operative intervention is hazardous and peroperative complications can be expected in more than 50% of patients. The morbidity and mortality associated with cerebral AVM are high, especially in infants who present in the neonatal period with congestive cardiac failure. The overall mortality in this series was 20%. Children presenting with intracranial arteriovenous malformations require a multidisciplinary approach. The successful management of anaesthesia either for embolization or surgical resection necessitates an understanding of the disciplines of paediatric and neuroanaesthesia. Special care and specific attention to detail may contribute to reduce the high morbidity and mortality encountered in these compromised children.


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P. G. Meyer, G. A. Orliaguet, M. Zerah, B. Charron, M.-M. Jarreau, F. Brunelle, A. Laurent-Vannier, and P. A. Carli
Emergency management of deeply comatose children with acute rupture of cerebral arteriovenous malformations
Can J Anesth, August 1, 2000; 47(8): 758 - 766.
[Abstract] [Full Text] [PDF]


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Copyright © 1994 by the Canadian Anesthesiologists' Society.