Towards a standardized anaesthetic state using enflurane and morphine.

Robb, H M; Asbury, A J; Gray, W M; Linkens, D A · Br J Anaesth · 1991

case_series · Level IV

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Abstract

General anaesthesia was maintained in 22 patients undergoing major surgery using a proportional-plus-integral control system. The system automatically adjusted the dose of enflurane according to the systolic arterial pressure (SAP). Additional morphine was administered if the system's demand for enflurane exceeded preset limits. In 21 patients, satisfactory control of SAP was achieved and anaesthesia was clinically adequate; no awareness was reported and the mean recovery time was 6.7 min (SD 3.5 min).

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