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Randomized Controlled Trial Comparative Study Clinical Trial
Total intravenous anaesthesia with sufentanil-midazolam for major abdominal surgery.
- T A Crozier, M Langenbeck, J Müller, D Kietzmann, M Sydow, and D Kettler.
- Department of Anaesthesiology, University of Göttingen, Germany.
- Eur J Anaesthesiol. 1994 Nov 1;11(6):449-59.
AbstractHaemodynamic and endocrine stress responses were compared during total intravenous anaesthesia with sufentanil and midazolam or fentanyl and midazolam in patients undergoing elective major abdominal surgery. Twenty-two ASA I and II patients were allocated randomly to receive sufentanil (induction 1.5 micrograms kg-1 plus infusion 1.5 micrograms kg-1 h-1) or fentanyl (induction 10 micrograms kg-1 plus infusion 10 micrograms kg-1 h-1) supplemented with 0.15 microgram kg-1 sufentanil or 1 microgram kg-1 fentanyl as necessary. Midazolam was infused to obtain plasma concentrations of 500-600 ng ml-1. Ventilation was with oxygen-enriched air. The opioid infusion was reduced post-operatively by half and benzodiazepine effects were reversed by titration with flumazenil. Mean arterial pressure, heart rate and cardiac index decreased in both groups after induction (cardiac index: sufentanil 4.94 +/- 0.45 to 2.99 +/- 0.18 litre min-1; fentanyl 4.97 +/- 0.45 to 3.71 +/- 0.36 litre min-1), but all returned to baseline during surgery. With sufentanil; mean arterial pressure was lower throughout the study period, and heart rate was lower intra-operatively. Oxygen uptake decreased in both groups after induction (sufentanil 289 +/- 29 to 184 +/- 21 ml min-1; fentanyl 318 +/- 32 to 216 +/- 32 ml min-1) and remained low with sufentanil until flumazenil was given. Adrenaline concentrations increased in both groups but there was no intergroup difference. The median noradrenaline concentration was lower intra-operatively with sufentanil (0.47 nmol litre-1 (range 0.06-6.77)) than with fentanyl (0.73 nmol litre-1 (0.07-4.58)). Cortisol, glucose and lactate concentrations increased in both groups. Bradycardia occurred in four patients with sufentanil and in three with fentanyl. There were two cases of marked thoracic rigidity with sufentanil and one with fentanyl.
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