• Anasthesiol Intensivmed Notfallmed Schmerzther · Feb 2000

    Clinical Trial

    [Median nerve evoked potentials and explicit memory function during recovery from propofol-sufentanil anesthesia].

    • I Rundshagen, K Schnabel, and J Schulte am Esch.
    • Klinik für Anästhesiologie, Universitäts-Krankenhaus Eppendorf, Hamburg.
    • Anasthesiol Intensivmed Notfallmed Schmerzther. 2000 Feb 1; 35 (2): 86-90.

    ObjectiveIn a prospective study rnidlatency somatosensory evoked Potentials (SEP) were investigated in relation to explicit memory function during recovery from propofol/sufentanil anaesthesia.MethodsAnaesthesia was maintained in 20 patients with 8 mg kg-1 h-1 propofol and supplemented with sufentanil. SEPs (N20, P25, N35, P45 N50) elicited by median nerve stimulation were recorded at the day before surgery (AWAKE) and during recovery from anaesthesia, when patients were able to identify a shown object (RECOVERY). The day after surgery patients were interviewed about their memory of the recovery period.StatisticsHotellings' T2.ResultsOne day after anaesthesia 9 patients could remember events during the recovery period. At RECOVERY SEP-latencies P45 and N50 were significantly shorter in the patients with recall for the wakeup-phase (p < 0.05).ConclusionSEP latencies P45 and N50 indicated impaired explicit memory function during recovery from propofol/sufentanil anaesthesia.

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