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World Neurosurg

Title:		Computed Tomography Perfusion Imaging Study of Intracranial Complex Aneurysms Treated by Internal Maxillary Artery Bypass Grafting
Author(s):		Liu C; Li H; Shi X; Sun Y; Liu F; Qian H; Zhou Z; Wang L; Shen H; Zhang F;
Address:		"Department of Neurosurgery, Beijing Pinggu Hospital, Beijing, China. Department of Neurosurgery, Fuxing Hospital, Capital Medical University, Beijing, China. Department of Neurosurgery, Fuxing Hospital, Capital Medical University, Beijing, China; Department of Neurosurgery, Sanbo Brain Hospital, Capital Medical University, Beijing, China. Electronic address: shixen@sina.com. Department of Neurosurgery, Sanbo Brain Hospital, Capital Medical University, Beijing, China"
Journal Title:		World Neurosurg
Year:		2022
Volume:		20220530
Issue:
Page Number:		e1123 - e1134
DOI:		10.1016/j.wneu.2022.05.110
ISSN/ISBN:		1878-8769 (Electronic) 1878-8750 (Linking)
Abstract:		"BACKGROUND: Cerebral revascularization strategies through extracranial to intracranial bypass have been adopted in the management of complex intracranial aneurysms. The internal maxillary artery used as a donor in a bypass is an effective method. At present, there are few quantitative analyses of cerebral blood flow perfusion. The main focus of this study was to evaluate the effectiveness of blood perfusion after bypass grafting. METHODS: From April 2015 to December 2017, 19 patients who underwent internal maxillary artery radial artery middle cerebral artery bypass surgery with unobstructed bypass vessels were selected. Cerebral blood flow perfusion before and after bypass surgery was quantitatively evaluated by computed tomography perfusion imaging. The cerebral blood perfusion in the region of interest was measured by computed tomography perfusion. RESULTS: The aneurysms were excised after trapping in 2 cases with mass effects and neural compression. Proximal occlusion of the parent artery was performed in 9 cases of fusiform or giant dissecting aneurysms. Trapping was performed after bypass surgery in 8 cases. Within 3 months after surgery, 17 patients had good outcomes. After the hypothesis test, there was a significant difference between the preoperative big up tri, opencerebral blood volume and postoperative big up tri, opencerebral blood volume in the anterior area of the semioval center cross section (P = 0.001 < 0.05). CONCLUSIONS: The internal maxillary artery as a bypass donor is an effective method that can provide sufficient intracranial blood perfusion, and there is usually no cerebral ischemia in the surrounding area"
Keywords:		"Carotid Artery, Internal/surgery *Cerebral Revascularization/methods Humans *Intracranial Aneurysm/diagnostic imaging/surgery Maxillary Artery/diagnostic imaging/surgery Perfusion Imaging Tomography, X-Ray Computed CT perfusion Cerebral blood perfusion Co;"
Notes:		"MedlineLiu, Chengyin Li, Heju Shi, Xiang'en Sun, Yuming Liu, Fangjun Qian, Hai Zhou, Zhongqing Wang, Long Shen, Hui Zhang, Fuzheng eng 2022/06/03 World Neurosurg. 2022 Aug; 164:e1123-e1134. doi: 10.1016/j.wneu.2022.05.110. Epub 2022 May 30"