Postpartum neurologic symptoms following single-shot spinal block for labour analgesia.
BACKGROUND: As part of a quality assurance program, we investigated the incidence of postpartum neurologic symptoms in multiparous parturients receiving spinal block for labour analgesia, now in routine use in our labour ward. METHODS: Two hundred and twenty-nine consecutive multiparous parturients presenting for vaginal delivery and requesting spinal analgesia were asked to participate in this prospective study. All parturients received our standard intrathecal analgesia (ITA): 2.5 mg bupivacaine (1 ml) + 25 microg fentanyl (0.5 ml) using a 27-gauge Quincke-type needle. The patients filled in a questionnaire on the first day after delivery and again upon discharge. Complaints typical of neurologic sequelae were noted and a neurologic examination was performed, if necessary. All patients with postdural puncture headache (PDPH) and transient neurologic symptoms (TNSs) were interviewed by telephone 2 weeks after discharge to determine the course of the symptoms. RESULTS: Two hundred and twelve parturients were included in the study. Eighteen (8.5%) parturients complained of PDPH, the severity of which was mild in eight (4%), moderate in seven (3%), and severe in three (1%) patients, respectively. Fifteen (7%) mothers were treated with analgesics or bedrest only. Three (1%) patients were given an epidural blood patch. The paramedian approach was associated with the development of PDPH (P = 0.04). Transient neurologic symptoms were experienced by nine (4.2%) mothers, lasting 1-3 days, mostly presenting as bilateral pain in the buttocks or thighs. One parturient suffered from paraesthesia of the left foot lasting for 3 days. Forty (19%) mothers complained of non-postural headache and 28 (13%) of new-onset back pain. Three mothers (1%) would not want to receive a further spinal block. CONCLUSION: Transient neurologic symptoms (TNSs) after spinal block occurred infrequently. The incidence of PDPH was higher than in the obstetric population in general and calls for re-evaluation of our spinal block methods. Despite the occurrence of neurologic sequelae, patient acceptability was high.[1]References
- Postpartum neurologic symptoms following single-shot spinal block for labour analgesia. Viitanen, H., Porthan, L., Viitanen, M., Heula, A.L., Heikkilä, M. Acta anaesthesiologica Scandinavica. (2005) [Pubmed]
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