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Simulated spinal cerebrospinal fluid leak repair: an educational model with didactic and technical components.

By George M MD Ghobrial, Paul A Anderson, Rohan MD Chitale, Peter MD Campbell, Darlene A MD Lobel and James MD Harrop

Abstract

BACKGROUND: In the era of surgical resident work hour restrictions, the traditional apprenticeship model may provide fewer hours for neurosurgical residents to hone technical skills. Spinal dura mater closure or repair is 1 skill that is infrequently encountered, and persistent cerebrospinal fluid leaks are a potential morbidity. OBJECTIVE: To establish an educational curriculum to train residents in spinal dura mater closure with a novel durotomy repair model. METHODS: The Congress of Neurological Surgeons has developed a simulation-based model for durotomy closure with the ongoing efforts of their simulation educational committee. The core curriculum consists of didactic training materials and a technical simulation model of dural repair for the lumbar spine. RESULTS: Didactic pretest scores ranged from 4/11 (36%) to 10/11 (91%). Posttest scores ranged from 8/11 (73%) to 11/11 (100%). Overall, didactic improvements were demonstrated by all participants, with a mean improvement between pre- and posttest scores of 1.17 (18.5%; P = .02). The technical component consisted of 11 durotomy closures by 6 participants, where 4 participants performed multiple durotomies. Mean time to closure of the durotomy ranged from 490 to 546 seconds in the first and second closures, respectively (P = .66), whereby the median leak rate improved from 14 to 7 (P = .34). There were also demonstrative technical improvements by all. CONCLUSION: Simulated spinal dura mater repair appears to be a potentially valuable tool in the education of neurosurgery residents. The combination of a didactic and technical assessment appears to be synergistic in terms of educational development

Topics: cerebrospinal fluid leak, durotomy, neurosurgical simulator, residency education, Medicine and Health Sciences
Publisher: Jefferson Digital Commons
Year: 2013
OAI identifier: oai:jdc.jefferson.edu:neurosurgeryfp-1051

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