Case: A 20-year-old postpartum woman developed paresthesias and intolerable pain over the volar aspect of the first through fourth fingers, after radial artery cannulation (RAC) during cesarean section. Ultrasonography did not show any hematoma in the forearm. Urgent carpal tunnel release and median nerve decompression were performed, resulting in complete disappearance of symptoms.
Conclusion: Acute median nerve compression is a rare injury in its own, but it is even rarer as a complication of RAC. Urgent decompression should be performed as soon as possible to avoid future neurological deficits.
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