Subdural blood patch for the treatment of persistent CSF leak after permanent intrathecal catheter implantation: a report of two cases.
A CSF leak that persists despite conservative therapy may significantly increase the morbidity associated with implantable intrathecal drug delivery systems. This report presents 2 cases where the application of a subdural blood patch led to the satisfactory resolution of a persistent CSF leak after previous epidural blood patches had failed.
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