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Evaluation of surgical-navigation system in management of orbital disorders / May Ibrahim Elrashedy ; Supervised Hamdy Mohamed Essam , Ihab Saad Othman , Rania Ahmed Abdelsalam

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : May Ibrahim Elrashedy , 2017Description: 104 P. : charts , facsimiles , photographs ; 25cmOther title:
  • تقييم نظام الملاحة العصبية في علاج امراض الحجاج [Added title page title]
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Dissertation note: Thesis (Ph.D.) - Cairo University - Faculty of Medicine- Department of Ophthalmology Summary: Purpose: Frameless surgical navigation is increasingly used in Neurosurgery and ENT. However, its application in orbital surgery is not well studied. The goal of this study is to evaluate whether its use will be useful and time efficient. Subjects and methods: A prospective interventional non-controlled non-randomized case series study design was carried on fifteen patients with different orbital disorders. Results: Promising results were seen in orbital wall fracture and well circumscribed orbital masses. However, in ill-defined infiltrating lesions, total resection could not be achieved. Total excision was seen in 70% of cases of orbital masses.The mean of maintenance time percentage compared to the total operating time was 46.7% with SD +/-13.85 that lead to relatively longer total operating time, but as more cases were performed, it decreased gradually. Conclusion: Navigation is a great intraoperative tool. However, it should not be a substitution for a detailed knowledge of the facial anatomy and surgical skills. It cannot be yet considered the standard of care for patients with different orbital lesions and fractures because its usage prolongs the total operating time. However, it was found to be useful in complicated cases as orbits that were previously operated on where normal landmarks may not exist and in severely traumatized orbits
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Item type Current library Home library Call number Copy number Status Date due Barcode
Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.11.24.Ph.D.2017.Ma.E (Browse shelf(Opens below)) Not for loan 01010110073847000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.11.24.Ph.D.2017.Ma.E (Browse shelf(Opens below)) 73847.CD Not for loan 01020110073847000

Thesis (Ph.D.) - Cairo University - Faculty of Medicine- Department of Ophthalmology

Purpose: Frameless surgical navigation is increasingly used in Neurosurgery and ENT. However, its application in orbital surgery is not well studied. The goal of this study is to evaluate whether its use will be useful and time efficient. Subjects and methods: A prospective interventional non-controlled non-randomized case series study design was carried on fifteen patients with different orbital disorders. Results: Promising results were seen in orbital wall fracture and well circumscribed orbital masses. However, in ill-defined infiltrating lesions, total resection could not be achieved. Total excision was seen in 70% of cases of orbital masses.The mean of maintenance time percentage compared to the total operating time was 46.7% with SD +/-13.85 that lead to relatively longer total operating time, but as more cases were performed, it decreased gradually. Conclusion: Navigation is a great intraoperative tool. However, it should not be a substitution for a detailed knowledge of the facial anatomy and surgical skills. It cannot be yet considered the standard of care for patients with different orbital lesions and fractures because its usage prolongs the total operating time. However, it was found to be useful in complicated cases as orbits that were previously operated on where normal landmarks may not exist and in severely traumatized orbits

Issued also as CD

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