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1- Department of Neurosurgery, Hazrat Rasoul Akram Hospital, Niayesh St., Sattar khan Ave., Tehran, Iran
Abstract:  
Purpose: Although the primary and definitive diagnosis of meningioma is based on histological assessment, the use of imaging methods such as Magnetic Resonance Imaging (MRI) is very helpful to describe lesion's characteristics. Accordingly, we decided to study the effect of imaging factors such as MRI on the volume of hemorrhage (estimated blood loss) during meningioma surgery.
Methods: In this study, which was performed as a cross-sectional retrospective analytical study, the eligible patients were those who suffered meningioma and were candidate for surgery. A total of 40 patients with meningioma were selected and reviewed. The findings of the preoperative imaging were recorded and then estimated blood loss during the surgery was determined.
Results: A reverse association was revealed between the degree of proximity to nearest sinus and the rate of bleeding. Also, the size of mass was positively associated with the rate of bleeding, but there was no significant correlation between the volume of bleeding and other parameters including degree of edema, volume of mass, the site of tumor in brain, and histological subtype of the tumor. The mean time of operation was strongly correlated with blood loss. The rate of bleeding was more expected in hypertensive versus normotensive patients.
Conclusion: As a final conclusion, bleeding in various volumes can be a common finding in intracranial meningioma surgery. In total, tumor size, time of operation, history of hypertension and distance to nearest sinuses were the main determinants for the severity of hemorrhage in meningioma surgery.
Type of Study: Original | Subject: Clinical Neuroscience
Received: 2018/06/9 | Accepted: 2018/11/26

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