Can epidural catheters penetrate dura mater? An anatomical study.
A study using postmortem dura mater and arachnoid mater showed that catheter perforation of dura did not occur. In contrast, perforation of arachnoid proved easy.
D000328:Adult; D000767:Anesthesia, Epidural / Q000295:instrumentation*; D001099:Arachnoid / Q000033:anatomy & histology / Q000293:injuries; D002404:Catheterization / Q000009:adverse effects*; D004388:Dura Mater / Q000033:anatomy & histology / Q000293:injuries*; D006801:Humans; D066298:In Vitro Techniques