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Related Experiment Videos

Patient-controlled analgesia for labour using remifentanil: a feasibility study.

J M Blair1, D A Hill, J P Fee

  • 1Department of Anaesthetics, The Ulster Hospital, Dundonald, Belfast BT16 0RH, UK.

British Journal of Anaesthesia
|August 23, 2001
PubMed
Summary

Patient-controlled remifentanil analgesia safely provided significant pain relief during labor for most women. This method offered worthwhile, though incomplete, pain management without adverse effects on fetal heart rate or newborns.

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Area of Science:

  • Anesthesiology
  • Obstetrics
  • Pharmacology

Background:

  • Labor pain management is crucial for maternal well-being.
  • Patient-controlled analgesia (PCA) offers personalized pain relief.
  • Remifentanil is a potent opioid analgesic with a short duration of action.

Purpose of the Study:

  • To evaluate the efficacy and safety of remifentanil PCA for labor pain.
  • To determine optimal dosing parameters for remifentanil in laboring women.
  • To assess maternal pain reduction and neonatal outcomes.

Main Methods:

  • 21 women used a remifentanil PCA device during labor.
  • Variable bolus doses (0.25-1.0 µg/kg) and background infusions were tested.
  • Pain scores (VAS 0-10 cm) and neonatal outcomes (Apgar scores, cord blood gases) were recorded.

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Main Results:

  • 90% of women experienced pain reduction from baseline.
  • Median pain score reduction was 3 cm (range 0-8 cm).
  • Significant pain reduction (P<0.05) observed with bolus doses of 0.25-0.5 µg/kg; no significant changes in fetal heart rate or neonatal parameters.

Conclusions:

  • Remifentanil PCA, particularly with bolus doses of 0.25-0.5 µg/kg without background infusion, offers safe and effective labor analgesia.
  • This method provides worthwhile pain relief, though not complete, for laboring women.
  • The system demonstrated a favorable safety profile for both mother and neonate.