VASA. Zeitschrift für Gefässkrankheiten
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Tumescent anaesthesia (TA) is an important but sometimes very painful step during endovenous thermal ablation of incompetent veins. The aim of this study was to examine whether the use of fixed 50% nitrous oxide/oxygen mixture (N2O/O2), also called equimolar mixture of oxygen and nitrous oxide, reduces pain during the application of TA. ⋯ N2O/O2 is a safe and effective method to reduce pain during the application of tumescent anaesthesia for EVLA.