Stopped: Slow recruitment
The aim of this study is to determine the effect of epinephrine on systemic absorption of local anaesthetic mepivacaine administered for brachial plexus block in uremic patients scheduled for creation or repair of an arteriovenous fistula. Furthermore, an impact of epinephrine on the central circulation and peripheral tissue oxygenation will be evaluated.
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Plasma concentration of mepivacaine
Timeframe: 0, 5, 10, 20, 30, 45, 60, 120, and 180 min after blockade