• Heng-Zhou Xu, Jing Guo, Ce Wang, Xiao Liu, Zhi-Qiang Song, Rui-Feng Chen, Bing Qiu, Qing Wang, and Yong Huang.
• Department of Neurosurgery, Civil Aviation General Hospital, Beijing, China.
• World Neurosurg. 2023 Feb 1; 170: e28e36e28-e36.

BackgroundMinimally invasive surgery is effective and recommended for treatment of intracerebral hemorrhage; however, neurosurgeons in grass-root hospitals in underdeveloped countries lack effective and precise minimally invasive surgery techniques. The aim of this study was to present a technique of computed tomography angiography-based three-dimensional-printed navigation mold-guided stereotactic aspiration and demonstrate its clinical application using a hard needle in a series of patients.MethodsThe novel stereotactic aspiration technique was performed in 18 patients with spontaneous intracerebral hemorrhage at our center, and clinical outcomes were reported. We compared the volume of hematoma measured by 3 different methods: ABC/2 formula, manual segmentation with OsiriX, and manual segmentation with 3D Slicer.ResultsThe surgery was completed safely within an average operative time of 15.11 minutes, achieving the goal of <15 mL residual clot volume or >70% clot removal in all patients. No intracranial rebleeding or infection was observed postoperatively. At the end of the 6-month follow-up, 61.11% (11/18) of patients achieved a modified Rankin Scale score <3. There was overall better agreement of hematoma measurement using segmentation with 3D Slicer rather than ABC/2 measurement or hematoma measurement using segmentation with OsiriX.ConclusionsOur novel method of stereotactic aspiration benefited patients in this study with good percent clot removal, few surgery-related complications, and a favorable prognosis. Manual segmentation with 3D Slicer could be used to provide the neurosurgeon with dependable information about hematoma volume. This cheap and convenient technique may be applied in grass-root hospitals in underdeveloped countries. Assessment in multicenter prospective clinical trials is needed.Copyright © 2022 Elsevier Inc. All rights reserved.

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