Int J Comput Assist Radiol Surg - Neurosurgical craniotomy localization using a virtual reality planning system versus intraoperative image-guided navigation.

Tópicos

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Resumo

RPOSE: Accurate craniotomy placement is essential for frameless neuronavigation in minimally invasive neurosurgery. A craniotomy using virtual reality (VR) can be as accurate as neuronavigation.METHODS: We prospectively enrolled 48 patients that underwent minimally invasive cranial procedures planned using VR, followed by neuronavigation. First, craniotomies were planned using VR derived measurements. Second, frameless neuronavigation was applied to define the craniotomy. The locations of these paired craniotomies were compared. A correctly placed craniotomy was defined as one that enabled the surgeon to totally remove the pathology without need to enlarge the craniotomy intraoperatively.RESULTS: Using VR, the size and the position of the craniotomy were measured correctly in 47 of 48 cases (98%). In 44 of 48 cases (92%), neuronavigation identified the craniotomy site correctly. In cases where neuronavigation failed, minimally invasive surgery was successfully completed using preoperative VR surgery planning. No statistically significant difference was found between craniotomy localization using VR surgery planning or standard frameless neuronavigation (p?=?0.36).CONCLUSION: The craniotomy for minimally invasive neurosurgical procedures can be identified accurately using VR surgery planning or neuronavigation. In cases of neuronavigation failure, VR surgery planning serves as an effective backup system to perform a minimally invasive operation.

Resumo Limpo

rpose accur craniotomi placement essenti frameless neuronavig minim invas neurosurgeri craniotomi use virtual realiti vr can accur neuronavigationmethod prospect enrol patient underw minim invas cranial procedur plan use vr follow neuronavig first craniotomi plan use vr deriv measur second frameless neuronavig appli defin craniotomi locat pair craniotomi compar correct place craniotomi defin one enabl surgeon total remov patholog without need enlarg craniotomi intraoperativelyresult use vr size posit craniotomi measur correct case case neuronavig identifi craniotomi site correct case neuronavig fail minim invas surgeri success complet use preoper vr surgeri plan statist signific differ found craniotomi local use vr surgeri plan standard frameless neuronavig pconclus craniotomi minim invas neurosurg procedur can identifi accur use vr surgeri plan neuronavig case neuronavig failur vr surgeri plan serv effect backup system perform minim invas oper

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