Abstract
BackgroundThis study was performed to investigate the safety and outcome of one-stage hybrid endovascular and microsurgical treatment of intracranial hypervascular tumors. MethodsThe blood supply of the tumor was endovascularly embolized just before microsurgery in a one-stage fashion. Clinical data regarding the preoperative neurological status, tumor characteristics, hybrid treatment details and complications, intraoperative blood loss, and postoperative outcomes were collected prospectively and then analyzed. ResultsBeginning in July 2016, 13 patients (5 women, 8 men) with intracranial hypervascular tumors were enrolled in this study, with a mean age of 48.2 ± 10.9 years. The patients’ tumors comprised seven hemangioblastomas, three hemangiopericytomas, two meningiomas, and one mesenchymal chondrosarcoma. The mean maximum tumor diameter was 54.9 ± 21.5 mm. No major procedural complications occurred except catheterization-related bleeding in one patient. The mean percentage of tumor devascularization was 65.0%±17.5%. Gross total resection was achieved in 12 patients (92.3%). The mean blood loss volume during microsurgical resection was 703.8 ± 886.8 mL (range, 150–3600 mL). Symptoms improved in three patients and remained stable in six patients. ConclusionsOne-stage hybrid embolization before intracranial hypervascular tumor resection is a safe and effective procedure to decrease intraoperative blood loss. It can prevent or treat embolization-related complications in a timely manner and avoid the risk of multiple surgical procedures.
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