British Journal of Anaesthesia, 2002, Vol. 88, No. 1 12-17
© 2002 The Board of Management and Trustees of the British Journal of Anaesthesia
Clinical Investigations |
The sitting position for neurosurgery in children: a review of 16 years experience
Department of Anaesthesia, Great Ormond Street Hospital for Children, Great Ormond Street, London WC1N 3JH, UK 1Present address: Department of Anaesthesia, The Hospital for Sick Children, 555 University Avenue, Toronto M5G 1X8, Canada*Corresponding author
This article is accompanied by Editorial I.
Background. Use of the sitting position for neurosurgery is controversial. The main concern is the risk of venous air embolus (VAE) and its sequelae.
Methods. The paediatric neurosurgeons at our institution routinely use the sitting position for posterior fossa and pineal surgery, and a retrospective audit of the incidence of VAE from 1982 to 1998 has been performed.
Results. Venous air embolism, defined as a fall in end-tidal carbon dioxide pressure >0.4 kPa, was detected in 38 of 407 operations (9.3%). A fall in systolic arterial pressure >10% accompanied the VAE in nine out of 43 episodes (20.9%); this represents 2% of all operations. All VAE episodes responded promptly to treatment and there was no perioperative morbidity or mortality directly attributed to it.
Conclusions. This is the largest study of the incidence of VAE in children undergoing neurosurgery. Our results suggest that the sitting position can be used safely for neurosurgery in children.
Br J Anaesth 2002; 88: 1217
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