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The investigation was undertaken to elucidate the impact of epidural analgesia (EA) during labor on the incidence of transient neurological symptoms (TNS). By the agreement of a local ethics committee, an informed consent was obtained from 90 healthy puerperas enrolled in the investigation. The patients were randomized into 3 groups, with 30 patients in each. At the beginning of labor, an epidural catheter was inserted in all the puerperas. For EA, 1% lidocaine solution and 0.2% ropivacaine solution were used in Groups 1 and 2, respectively; Group 3 was control in which EA was not performed. Two days after labor, an independent observer asked the females about possible neurological symptoms, by using the standard questionnaire. TNS included symmetric pain and/or dysesthesia in the buttocks, lower lumbar region, and/or legs. The patients who presented problems were proposed to indicate the degree of discomfort by a 10-score verbal scale. The findings were statistically processed using the U-test and X-test (p0. 05). A total of TNS occurred in 22 (25%) patients, including 7 (27%), 8 (27%), and 7 (23%) in Groups 1, 2, and 3, respectively. This difference was not statistically significant. The duration of TNS was generally short; in all the patients, the symptoms were completely resolved after 24-72 hours. Labor EA is not a cause of TNS. The type of a local anesthetic (lidocaine, ropivacaine) does not affect the incidence of TNS in puerperas after labor EA.

The paper describes cranial nerve damage, a rare complication of neuroaxial anesthesia in obstetric care. In the literature, there are summarized data on 17 cases of neurological deficit developing after subarachnoidal or epidural anesthesia in puerperas. The etiological and pathogenetic factors of the above complications may be suggested to be the high disposition of a local anesthetic, arterial hypotension due to neuroaxial anesthetics, the outflow of cerebrospinal fluid after pachymeningeal puncture (including after unintended puncture during epidural anesthesia), and ischemic injury after the blood packing performed to relieve postpuncture headache. Closer consideration of these risk factors seems to reduce the incidence of cranial nerve damage in puerperas.