During labour, remifentanil-PCA provided superior analgesia and higher patient satisfaction compared with pethidine with a comparable degree of adverse events. Epidural analgesia provided superior pain relief in comparison with remifentanil. Due to a low number of reported adverse events, the safety issue of remifentanil use in labour remains an open question that needs to be addressed in future trials.
This survey revealed that pethidine, meptazinol and piritramide are the most common opioids for opioid-based systemic labor pain relief in Germany. If PCIA is offered, remifentanil is the most popular opioid. However, only a few clinics are routinely using PCIA for obstetric analgesia. Furthermore the study showed that the current monitoring standards seem to have room for improvement with respect to safe administration of an opioid PCIA. The safety standards require continuous observation of the oxygen saturation, the possibility for oxygen supply, one-to-one nursing for a close clinical observation of the mother and the presence of an anesthetist during the initial titration phase to safely apply this technique. Applying these safety standards PCIA may prove a useful alternative for central neuraxial labor analgesia in those women who either do not want, cannot have or do not need epidural analgesia.
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