British Journal of Anaesthesia, 1987, Vol. 59, No. 2 247-255
© 1987 The Board of Management and Trustees of the British Journal of Anaesthesia
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EVALUATION OF CLOSED-LOOP CONTROL OF ARTERIAL PRESSURE AFTER CARDIOPULMONARY BYPASS
University Department of Anaesthesia, Glasgow Royal Infirmary 816 Alexandra Parade, Glasgow G31 2ER
*Present address for correspondence: Department of Anaesthesia, Western Infirmary, Dumbarton Road, Glasgow, G11 6NT.
A closed loop computer system has been developed to deliver sodium nitroprusside (by infusion) to control systolic arterial pressure (SAP) after cardiopulmonary bypass. The performance of the closed-loop control system was evaluated by comparing nurse and computer control of SAP in 60 patients during the early postoperative period. The computer system provided better control of SAP than manual control by a member of the nursing staff.
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