A comparison of propofol and thiopentone as induction agents in outpatient surgery
- 1 March 1987
- journal article
- research article
- Published by Springer Nature in Canadian Journal of Anesthesia/Journal canadien d'anesthésie
- Vol. 34 (2) , 110-116
- https://doi.org/10.1007/bf03015326
Abstract
We studied 90 healthy ASA physical status I or II female patients scheduled for outpatient therapeutic abortions. Sixty patients received induction doses of propofol (2.5 mg-kg-1) and 30 patients received thiopentone (4 mg·kg-1). Anaesthesia was maintained with nitrous oxide plus additional doses of the agent used for induction. Comparisons were made regarding the efficacy of induction and maintenance, rapidity of recovery, haemodynamic and respiratory variables and side effects. The number of “excellent” inductions was significantly different (p = 0.02), with 97 per cent of the patients induced with propofol and 80 per cent of the patients induced with thiopentone receiving this rating. A larger number of patients receiving propofol exhibited minor extraneous muscular movement during induction (p = 0.01). Recovery for the propofol group was significantly more rapid than with the thiopentone group (p = 0.001). The respiratory effect of the two drugs was not significantly different. Propofol caused a decrease in pulse rate and a decrease in systolic, diastolic and mean pressure which were significantly greater than with thiopentone. From the observations made we conclude that propofol has the potential to be an excellent induction and maintenance agent for outpatient surgery in combination with nitrous oxide alone. On a étudié 90 patientes en bonne santé classe ASA l et II cédulées en externe pour avortement thérapeutique. Soixante patientes ont reçu des doses ďinduction de (2.5 mg-kg-1) de propofol et trente patientes ont reçu (4 mg·kg-1) de thiopentone. Ľanesthésie était maintenue avec du protoxide ďazote et des doses additionnelles de ľagent ďinduction. On a comparé ľefficacité de ľinduction et du maintien, la rapidité du réveil, les données hémodynamiques et respiratoires ainsi que les efforts secondaires. Le nombre ďinductions “excellentes” était significativement différent (p = 0.02) chez 97 pour cent des patientes induites avec le propofol et 80 pour cent chez celles induites au thiopentone. Un plus grand nombre de patientes ayant reçu le propofol ont démontré des mouvements musculaires involontaires lors de ľinduction (p = 0.01). Le réveil était significativement plus rapide pour le groupe propofol que le groupe thiopentone (p = 0.001). Les effets respiratoires des deux médicaments n’étaient pas différents. Le propofol a provoqué une diminution du pouls et de la tension artérielle systolique, diastolique et moyenne qui était significativemenl plus grande que le groupe thiopentone. De ces observations, on conclue que le propofol présente le potentiel ď être un excellent agent pour ľinduction et le maintien de ľanesthésie pour les patients externes si combinés au protoxide ďazote seul.Keywords
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