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●视乳头水肿CVT视乳头水肿出现率差异较大年轻患者更见,45岁以下约33%亚急性或慢性患者达60%,急性者为6%脑静脉血栓形成的临床表现颅内压增高●癫痫◆发病初期:12~15%;病程中:40%◆最常见病灶部位:前中央沟区域◆发作类型:局灶型,全身型。两种类型常同时出现。脑静脉血栓形成的临床表现大脑半球受损●局灶性神经功能缺损◆发病初期:15%;病程中:60%。◆以运动障碍和感觉障碍为主,下肢为著。◆颅神经麻痹:可提示一些特殊部位的血栓,III、IV、VI颅神经麻痹对应于海绵窦血栓;IX、X颅神经损害对应于颈静脉血栓。◆其它:失语、视觉障碍、小脑体征等。脑静脉血栓形成的临床表现大脑半球受损●发病初期少见,约有4%;发病中期:近一半患者有不同程度的醒觉水平下降。●具有可逆性,但通常提示预后不佳。脑静脉血栓形成的临床表现意识及精神障碍多见于炎性CVT。表现为不规则发热、寒颤、多汗、全身肌肉疼痛、皮下瘀血等感染和败血症征象。脑静脉血栓形成的临床表现全身症状按部位CVT可分为:●静脉窦血栓●大脑浅静脉(皮层静脉)血栓●大脑深静脉血栓●小脑静脉血栓●颈静脉血栓各种脑静脉血栓的临床特点●上矢状窦血栓●侧窦(横窦及乙状窦)血栓●岩上窦及岩下窦血栓●直窦血栓●海绵窦血栓脑静脉窦血栓●其解剖特点决定了血栓易在此部位形成。●此窦是脑皮层静脉循环和脑脊液回流的必经之路。脑静脉窦血栓上矢状窦血栓(superiorsagittalsinusthrombosis,SSST)Δ●多种病因可引起SSST,其中非感染性原因更为多见。●临床表现主要是颅内压增高、不同程度的意识障碍、癫痫发作、运动障碍以及括约肌功能障碍。脑静脉窦血栓上矢状窦血栓(superiorsagittalsinusthrombosis,SSST)●血栓的部位、累及范围和梗阻程度决定了损害情况。范围广泛,超过上矢状窦2/3以上位于上矢状窦后方局限于上矢状窦前段累及到额叶前部静脉回流波及到中央回静脉影响到其它大脑浅静脉●起病形式脑静脉窦血栓上矢状窦血栓(superiorsagittalsinusthrombosis,SSST)脑静脉窦血栓上矢状窦血栓(superiorsagittalsinusthrombosis,SSST)脑静脉窦血栓上矢状窦血栓(superiorsagittalsinusthrombosis,SSST)脑静脉窦血栓上矢状窦血栓(superiorsagittalsinusthrombosis,SSST)脑静脉窦血栓上矢状窦血栓(superiorsagittalsinusthrombosis,SSST)脑静脉窦血栓上矢状窦血栓(superiorsagittalsinusthrombosis,SSST)This58year-oldmancomplainedofasevereheadache12hoursaftertakingpartintheLondonmarathon.Heattendedthegeneralcasualtybutnocausewasfound.Hewasdischargedwithadiagnosisofpossiblemigraine.However,thepainpersistedandhere-attendedthecasualty2dayslater.HewasfoundtohavebilateralopticdiscswellingsandanurgentMRIscanwasrequested.Fullbloodcountrevealedhighplateletcount(thrombocythemia)butotherwisealltheothertestswerenormal脑静脉窦血栓上矢状窦血栓(superiorsagittalsinusthrombosis,SSST)ClinicalHistory:17-year-oldfemalewhopresentswithafourdayhistoryofheadachesandaseizureimmediatelypriortoadmission.Thereisnosignificantpastmedicalhistory.Findings:AnaxialnoncontrastedCTimagethroughthebraindemonstratescerebraledemawithintheleftfrontallobeanddeepgraymatter.Inaddition,thereishyperattenuationwithintheregionofthestraightsinus.PetechialhemorrhageaswellasedemaisseenwithintheleftfrontallobeAnangiogramdemonstratesocclusionoftheanterioronehalfofthesuperiorsagittalsinusaswellasocclusionofthedeepvenoussystembilaterally.脑静脉窦血栓上矢状窦血栓(superiorsagittalsinusthrombosis,SSST)●预后:单纯上矢状窦血栓在数周或数月后可再通,颅内压恢复正常,预后良好。如果累及到其他脑静脉窦或脑静脉,而未能得到及时有效的治疗,其颅压高将持久存在,严重者可造成死亡。脑静脉窦血栓上矢状窦血栓(superiorsagittalsinusthrombosis,SSST)●视乳头水肿CVT视乳头水肿出现率差异较大年轻患者更见,45岁以下约33%亚急性或慢性患者达60%,急性者为6%脑静脉血栓形成的临床表现颅内压增高●癫痫◆发病初期:12~15%;病程中:40%◆最常见病灶部位:前中央沟区域◆发作类型:局灶型,全身型。两种类型常同时出现。脑静脉血栓形成的临床表现大脑半球受损●局灶性神经功能缺损◆发病初期:15%;病程中:60%。◆以运动障碍和感觉障碍为主,下肢为著。◆颅神经麻痹:可提示一些特殊部位的血栓,III、IV、VI颅神经麻痹对应于海绵窦血栓;IX、X颅神经损害对应于颈静脉血栓。◆其它:失语、视觉障碍、小脑体征等。脑静脉血栓形成的临床表现大脑半球受损●发病初期少见,约有4%;发病中期:近一半患者有不同程度的醒觉水平下降。●具有可逆性,但通常提示预后不佳。脑静脉血栓形成的临床表现意识及精神障碍多见于炎性CVT。表现为不规则发热、寒颤、多汗、全身肌肉疼痛、皮下瘀血等感染和败血症征象。脑静脉血栓形成的临床表现全身症状按部位CVT可分为:●静脉窦血栓●大脑浅静脉(皮层静脉)血栓●大脑深静脉血栓●小脑静脉血栓●颈静脉血栓各种脑静脉血栓的临床特点●上矢状窦血栓●侧窦(横窦及乙状窦)血栓●岩上窦及岩下窦血栓●直窦血栓●海绵窦血栓脑静脉窦血栓●其解剖特点决定了血栓易在此部位形成。●此窦是脑皮层静脉循环和脑脊液回流的必经之路。脑静脉窦血栓上矢状窦血栓(superiorsagittalsinusthrombosis,SSST)Δ●多种病因可引起SSST,其中非感染性原因更为多见。●临床表现主要是颅内压增高、不同程度的意识障碍、癫痫发作、运动障碍以及括约肌功能障碍。脑静脉窦血栓上矢状窦血栓(superiorsagittalsinusthrombosis,SSST)●血栓的部位、累及范围和梗阻程度决定了损害情况。范围广泛,超过上矢状窦2/3以上位于上矢状窦后方局限于上矢状窦前段累及到额叶前部静脉回流波及到中央回静脉影响到其它大脑浅静脉●起病形式脑静脉窦血栓上矢状窦血栓(superiorsagittalsinusthrombosis,SSST)脑静脉窦血栓上矢状窦血栓(superiorsagittalsinusthrombosis,SSST)脑静脉窦血栓上矢状窦血栓(superiorsagittalsinusthrombosis,SSST)脑静脉窦血栓上矢状窦血栓(superiorsagittalsinusthrombosis,SSST)脑静脉窦血栓上矢状窦血栓(superiorsagittalsinusthrombosis,SSST)脑静脉窦血栓上矢状窦血栓(superiorsagittalsinusthrombosis,SSST)This58year-oldmancomplainedofasevereheadache12hoursaftertakingpartintheLondonmarathon.Heattendedthegeneralcasualtybutnocausewasfound.Hewasdischargedwithadiagnosisofpossiblemigraine.However,thepainpersistedandhere-attendedthecasualty2dayslater.HewasfoundtohavebilateralopticdiscswellingsandanurgentMRIscanwasrequested.Fullbloodcountrevealedhighplateletcount(thrombocythemia)butotherwisealltheothertestswerenormal脑静脉窦血栓上矢状窦血栓(superiorsagittalsinusthrombosis,SSST)ClinicalHistory:17-year-oldfemalewhopresentswithafourdayhistoryofheadachesandaseizureimmediatelypriortoadmission.Thereisnosignificantpastmedicalhistory.Findings:AnaxialnoncontrastedCTimagethroughthebraindemonstratescerebraledemawithintheleftfrontallobeanddeepgraymatter.Inaddition,thereishyperattenuationwithintheregionofthestraightsinus.PetechialhemorrhageaswellasedemaisseenwithintheleftfrontallobeAnangiogramdemonstratesocclusionoftheanterioronehalfofthesuperiorsagittalsinusaswellasocclusionofthedeepvenoussystembilaterally.脑静脉窦血栓上矢状窦血栓(superiorsagittalsinusthrombosis,SSST)●预后:单纯上矢状窦血栓在数周或数月后可再通,颅内压恢复正常,预后良好。如果累及到其他脑静脉窦或脑静脉,而未能得到及时有效的治疗,其颅压高将持久存在,严重者可造成死亡。脑静脉窦血栓上矢状窦血栓(superiorsagittalsinusthrombosis,SSST)
本文标题:脑静脉系统血栓形成演示文稿1-2
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