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Ear ischemia induced by endovascular therapy for arteriovenous fistula of the sigmoid sinus: A case report

World Journal of Clinical Cases 2021年第36期9卷 11443-11447页

作者： Wei Li Sui-Sui Zhang Xiao-Ran Gao You-Xiang Li Hui-Jian Ge Beijing Neurosurgical Institute Capital Medical UniversityBeijing 100070China Department of Neurosurgery The Second Affiliated Hospital of Xingtai Medical CollegeXingtai 054000Hebei ProvinceChina

BACKGROUND Arteriovenous fistula of the sigmoid sinus is an abnormal connection of arteries with the sigmoid *** treatments of such lesions are considered safe and with low rates of *** SUMMARY A 62-year-old female patient underwent endovascular treatment of an arteriovenous fistula of the right sigmoid sinus on February 7,2017,but her tinnitus was not *** was admitted to the Beijing Tiantan Hospital,Capital Medical University,on March 20,2017,and her pre-operative diagnosis,by digital subtraction cerebral angiography,was arteriovenous fistula of the sigmoid *** underwent endovascular embolization of the distal occipital artery and posterior auricular artery using *** arteriovenous fistula of the sigmoid sinus was cured,and her tinnitus disappeared,but ischemia of the upper 2/3 of the right auricle occurred without hearing *** patient received treatment to improve microcirculation,in addition to fluid supplementation,analgesia,and hyperbaric oxygen,and the swelling due to ischemia in the right auricle did not progress *** patient reported no tinnitus,and the right auricle had returned to normal 3 years *** Ischemic complications of vital organs should be considered when performing embolization procedures for arteriovenous fistulas of cerebral *** of the organs should be evaluated before the operation,and the related treatment regimens should be planned.

关键词： Arteriovenous fistula sigmoid sinus Posterior auricular artery Endovascular treatment Tinnitus Case report

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Localization of Anterosuperior Point of Transverse-sigmoid sinus Junction Using a Reference Coordinate System on Lateral Skull Surface

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Chinese Medical Journal 2016年第15期129卷 1845-1849页

作者： Rui-Chun Li Ji-Feng Liu Kuo Li Lei Qi Si-Yao Yan Mao-De Wang Wan-Fu Xie Department of Neurosurgery First Affiliated Hospital of Xi'an Jiaotong University Xi'an Shaanxi 710061 China Xi'an Center for Disease Control and Prevention Xi'an Shaanxi 710054 China

Background： During craniotomies using the transpetrosal-presigmoid approach, exposure of the sigmoid sinus remains an essential but hazardous step. In such procedures, accurate localization of the anterosuperior point of the transverse-sigmoid sinus junction （ASTS） is very important lbr reducing surgical morbidity. This study aimed to create an accurate and practical method for identifying the ASTS. Methods： On the lateral surfaces of 40 adult skulls （ 19 male skulls and 21 female skulls）, a rectangular coordinate system was defined to measure the x and y coordinates of two points： the ASTS and the squamosal-parietomastoid suture junction （SP）. With the coordinate system, the distribution characteristics of the ASTS were statistically analyzed and the differences between the ASTS and SP were investigated. Results： For ASTS-x, significant differences were found in different sides （P =0.020）; the ASTS-x in male skulls was significantly higher on the right side （P =0.017）; there was no significant difference between the sides in female skulls. There were no significant differences in gender or interaction of gender and side for ASTS-x, and for ASTS-y, there were no significant differences in side, gender, or interaction of gender and side. For both sides combined, the mean ASTS-x was significantly higher than the mean SP-x （P = 0.003） and the mean ASTS-y was significantly higher than the mean SP-y （P = 0.011 ）. Conclusions： This reference coordinate system may be an accurate and practical method for identifying the ASTS during presigmoid craniotomy. The SP might be difficult to find during presigmoid craniotomy and, therefore, it is not always a reliable landmark for defining the ASTS.

关键词： Craniotomy sigmoid sinus Transpetrosal-presigmoid Approach Transverse sinus

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Treatment of Pulsatile Tinnitus Associated with Multiple Factors

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Chinese Medical Journal 2015年第3期128卷 413-414页

作者： Xiao-Bo Ma Guo-Peng Wang Rong Zeng Shu-Sheng Gong Department of Otolaryngology Head and Neck Surgery Beijing Tongren Hospital Capital Medical University Beijing 100730 China

Numerous factors may lead to pulsatile tinnitus （PT）, including atherosclerosis, benign intracranial hypertension, glomus tympanicum tumor, dural arteriovenous fistulas （dAVFs）, abnormalities of the sigmoid sinus （dehiscence and diverticulum）, and jugular bulb anomalies （glomus jugular tumor, diverticulum, high-riding or dehiscent jugular bulb）. However, exact causes often cannot be found in many patients even after a detailed physical examination and extensive auxiliary examinations. Moreover, no effective treatment is available for these patients. Patients with PT associated with multiple factors are seldom reported, and the condition is essentially intractable. Here, we reported three cases with PT involving multiple factors.

关键词： Dural Arteriovenous Fistulas Jugular Bulb Mastoid Emissary Vein Pulsatile Tinnitus sigmoid sinus

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