Ethyl chloride and venepuncture pain: a comparison with intradermal lidocaine
- 1 September 1990
- journal article
- research article
- Published by Springer Nature in Canadian Journal of Anesthesia/Journal canadien d'anesthésie
- Vol. 37 (6) , 656-658
- https://doi.org/10.1007/bf03006485
Abstract
One hundred and twenty unpremedicated patients undergoing gynaecological surgery were randomly allocated to one of three equal treatment groups to assess the effectiveness of ethyl chloride in producing instant skin anaesthesia to prevent the pain of venepuncture from a 20 G cannula. They received either no anaesthetic, 0.2 ml one per cent lidocaine plain intradermally or a ten-second spray of ethyl chloride at the cannulation site. Ethyl chloride produced skin anaesthesia that significantly reduced the pain of venepuncture. However, it was not as effective as intradermal lidocaine. It had no effect on vein visualisation or ease of cannulation. Ethyl chloride can be recommended as a method of producing instant skin anaesthesia. Afin d’évaluer l’anesthésie cutanée produite par le chlorure d’éthyl, nous avons randomisé en trois groupes, 120 candidates à une chirurgie gynécologique n’ayant pas reçu de prémédication. Avant l’insertion percutanée d’une canule de calibre 20, nous n’utilisions soil aucun agent, soil une injection intradermique de 0,2 ml de lidocaïne une pour cent, soil une vaporisation de chlorure d’éthyl de dix secondes au site d’insertion. Le chlorure d’éthyl produit alors une anesthésie cutanée capable de diminuer la douleur lors de l’insertion d’une canule veineuse (mais pas de façon aussi marquée que la lidocaïne) sans en compliquer la technique ni entraver la visualisation de la veine. Il s’agit done là d’une technique acceptable d’anesthésie cutanée presque instantanée.Keywords
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