• Anesthesia and analgesia · Oct 1997

    Randomized Controlled Trial Clinical Trial

    Does dextrose affect analgesia or the side effects of intrathecal sufentanil?

    • J C Gage, R D'Angelo, R Miller, and J C Eisenach.
    • Department of Anesthesia, Bowman Gray School of Medicine, Wake Forest University, Winston-Salem, North Carolina 27157-1009, USA. jgage@bgsm.edu
    • Anesth. Analg. 1997 Oct 1; 85 (4): 826-30.

    UnlabelledIntrathecal (i.t.) sufentanil provides rapid effective pain relief for early labor, but it also produces undesirable side effects, which may be primarily related to cephalad spread. Although the combination of dextrose and positioning the patient head-up limits the spread of other spinally administered drugs, these factors have not been examined in laboring women receiving i.t. sufentanil. We hypothesized that the addition of dextrose to i.t. sufentanil injected with women in the sitting position would limit cephalad spread and side effects. Sixty-six healthy nulliparous parturients in early labor were randomized to receive 2-mL i.t. injections of sufentanil 10 micrograms plus saline with patients in either the lateral decubitus or sitting position, sufentanil 10 micrograms plus dextrose 7.5% with patients in either the lateral decubitus or sitting positions, or plain dextrose 7.5%. Pain scores using a 10-cm visual analog pain scale, sensory block height, and side effects were recorded. Dextrose 7.5% did not affect cephalad spread, as measured by block height to pin testing, but it did significantly reduce the duration of analgesia and the incidence of pruritus from i.t. sufentanil administered to patients in the sitting position compared with patients in the lateral position. In contrast, patient position had no effect on analgesia or side effects in patients receiving i.t. sufentanil in saline. I.t. dextrose alone had no effect.ImplicationsThe authors conclude that the addition of dextrose to intrathecal sufentanil injected into patients in the sitting position reduces the duration of analgesia without significantly reducing side effects with the exception of pruritus, and therefore does not improve the clinical utility of intrathecal sufentanil.

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