International journal of obstetric anesthesia
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Meralgia paresthetica is a common sensory mononeuropathy of the lateral femoral cutaneous nerve which occurs in pregnancy as well as in many other conditions. The most likely etiology in pregnancy is entrapment of the nerve as it passes around the anterior superior iliac spine or through the inguinal ligament. Onset of symptoms, most commonly numbness on the anterolateral thigh but possibly including burning, tingling, and other paresthesias, can occur at any time during pregnancy or immediately after labor and delivery. ⋯ The mother should be reassured that the symptoms usually resolve following delivery. Conservative therapy such as minimizing periods of standing, eliminating tight clothing and using oral analgesics may contribute to recovery. As a last resort surgical therapy has been shown to be effective in some cases.
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A 30-year-old woman was admitted to the labour ward at term complaining of symptoms suggestive of raised intracranial pressure which were overlooked. Epidural analgesia was administered following induction of labour and was associated with a clear exacerbation of symptoms. After delivery a CT scan revealed a large cerebello-pontine angle tumour with obstructive hydrocephalus. This case report and literature review demonstrate the importance of a reasonable level of clinical suspicion and a careful neurological examination in patients with such symptomatology to allow sensible and safe guidance through labour.
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Int J Obstet Anesth · Apr 1995
Motor block during epidural infusions for nulliparous women in labour: a randomized double-blind study of plain bupivacaine and low dose bupivacaine with fentanyl.
Sixty nulliparous women received epidural infusions in labour of either 0.125% plain bupivacaine or 0.0625% bupivacaine containing 2.5 mcg/ml fentanyl both starting at 12 ml/h and titrated to maintain a sensory block to T10. Those women who received low dose bupivacaine with fentanyl took significantly longer to reach full cervical dilation (P < 0.05). There was no statistical difference between the groups in the number of additional epidural bolus doses required during the infusions. ⋯ The mode of delivery was similar in the two groups as was the satisfaction with epidural analgesia in both the first and second stages of labour and with labour overall. There were no significant differences in Apgar scores, umbilical cord blood pH levels or neurologic and adaptive capacity scores at 2 or 24 h. There was no significant difference in the incidence of symptoms 24 h after delivery.