British Journal of Anaesthesia, 1986, Vol. 58, No. 10 1194-1197
© 1986 The Board of Management and Trustees of the British Journal of Anaesthesia
case-report |
MIGRATION OF AN EXTRADURAL CATHETER INTO THE SUBDURAL SPACE
A Case Report
Department of Anesthesiology, Medical School, The University of Texas 6431 Fannin, MSMB 5.020, Houston, Texas 77030, U.S.A.
Correspondence to E.A.
After repeated, successful extradural injections in a parturient, the extradural catheter migrated into the subdural space. The injection of 3% chloro-procaine 10 ml resulted in an extensive block, which extended to the cranial nerves and paralysed the respiratory muscles. The position of the catheter tip was confirmed by fluoroscopy. Subdural injection should always be suspected when tests for subarachnoid injection are negative, but an extensive block occurs gradually within 1520 min. Respiration and circulation should be supported until the block regresses.
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