严重脑部损伤并不少见的综合征——阵发性交感神经过度兴奋综合征
![](http://pic.ikafan.com/imgp/L3Byb3h5L2h0dHBzL2ltYWdlMTA5LjM2MGRvYy5jbi9Eb3dubG9hZEltZy8yMDIxLzA1LzEyMDcvMjIxODUzMTE1XzFfMjAyMTA1MTIwNzM4NTU2OTI=.jpg)
![](http://pic.ikafan.com/imgp/L3Byb3h5L2h0dHBzL2ltYWdlMTA5LjM2MGRvYy5jbi9Eb3dubG9hZEltZy8yMDIxLzA1LzEyMDcvMjIxODUzMTE1XzJfMjAyMTA1MTIwNzM4NTYyNzA=.jpg)
![](http://pic.ikafan.com/imgp/L3Byb3h5L2h0dHBzL2ltYWdlMTA5LjM2MGRvYy5jbi9Eb3dubG9hZEltZy8yMDIxLzA1LzEyMDcvMjIxODUzMTE1XzNfMjAyMTA1MTIwNzM4NTY0NTg=.jpg)
![](http://pic.ikafan.com/imgp/L3Byb3h5L2h0dHBzL2ltYWdlMTA5LjM2MGRvYy5jbi9Eb3dubG9hZEltZy8yMDIxLzA1LzEyMDcvMjIxODUzMTE1XzRfMjAyMTA1MTIwNzM4NTY3MjM=.jpg)
![](http://pic.ikafan.com/imgp/L3Byb3h5L2h0dHBzL2ltYWdlMTA5LjM2MGRvYy5jbi9Eb3dubG9hZEltZy8yMDIxLzA1LzEyMDcvMjIxODUzMTE1XzVfMjAyMTA1MTIwNzM4NTgxMTQ=.jpg)
![](http://pic.ikafan.com/imgp/L3Byb3h5L2h0dHAvaW1hZ2UxMDkuMzYwZG9jLmNuL0Rvd25sb2FkSW1nLzIwMjEvMDUvMTIwNy8yMjE4NTMxMTVfNl8yMDIxMDUxMjA3Mzg1ODU1MQ==.jpg)
![](http://pic.ikafan.com/imgp/L3Byb3h5L2h0dHAvaW1hZ2UxMDkuMzYwZG9jLmNuL0Rvd25sb2FkSW1nLzIwMjEvMDUvMTIwNy8yMjE4NTMxMTVfN18yMDIxMDUxMjA3Mzg1ODc0MA==.jpg)
![](http://pic.ikafan.com/imgp/L3Byb3h5L2h0dHAvaW1hZ2UxMDkuMzYwZG9jLmNuL0Rvd25sb2FkSW1nLzIwMjEvMDUvMTIwNy8yMjE4NTMxMTVfOF8yMDIxMDUxMjA3Mzg1OTE2MQ==.jpg)
![](http://pic.ikafan.com/imgp/L3Byb3h5L2h0dHAvaW1hZ2UxMDkuMzYwZG9jLmNuL0Rvd25sb2FkSW1nLzIwMjEvMDUvMTIwNy8yMjE4NTMxMTVfOV8yMDIxMDUxMjA3Mzg1OTc0MA==.jpg)
![](http://pic.ikafan.com/imgp/L3Byb3h5L2h0dHAvaW1hZ2UxMDkuMzYwZG9jLmNuL0Rvd25sb2FkSW1nLzIwMjEvMDUvMTIwNy8yMjE4NTMxMTVfMTBfMjAyMTA1MTIwNzM4NTk5MTE=.jpg)
![](http://pic.ikafan.com/imgp/L3Byb3h5L2h0dHAvaW1hZ2UxMDkuMzYwZG9jLmNuL0Rvd25sb2FkSW1nLzIwMjEvMDUvMTIwNy8yMjE4NTMxMTVfMTFfMjAyMTA1MTIwNzM5MDA0NDI=.jpg)
![](http://pic.ikafan.com/imgp/L3Byb3h5L2h0dHAvaW1hZ2UxMDkuMzYwZG9jLmNuL0Rvd25sb2FkSW1nLzIwMjEvMDUvMTIwNy8yMjE4NTMxMTVfMTJfMjAyMTA1MTIwNzM5MDA5NTg=.jpg)
![](http://pic.ikafan.com/imgp/L3Byb3h5L2h0dHAvaW1hZ2UxMDkuMzYwZG9jLmNuL0Rvd25sb2FkSW1nLzIwMjEvMDUvMTIwNy8yMjE4NTMxMTVfMTNfMjAyMTA1MTIwNzM5MDExOTI=.jpg)
![](http://pic.ikafan.com/imgp/L3Byb3h5L2h0dHAvaW1hZ2UxMDkuMzYwZG9jLmNuL0Rvd25sb2FkSW1nLzIwMjEvMDUvMTIwNy8yMjE4NTMxMTVfMTRfMjAyMTA1MTIwNzM5MDE0MjY=.jpg)
![](http://pic.ikafan.com/imgp/L3Byb3h5L2h0dHAvaW1hZ2UxMDkuMzYwZG9jLmNuL0Rvd25sb2FkSW1nLzIwMjEvMDUvMTIwNy8yMjE4NTMxMTVfMTVfMjAyMTA1MTIwNzM5MDE2NDU=.jpg)
![](http://pic.ikafan.com/imgp/L3Byb3h5L2h0dHAvaW1hZ2UxMDkuMzYwZG9jLmNuL0Rvd25sb2FkSW1nLzIwMjEvMDUvMTIwNy8yMjE4NTMxMTVfMTZfMjAyMTA1MTIwNzM5MDI4Mw==.jpg)
![](http://pic.ikafan.com/imgp/L3Byb3h5L2h0dHAvaW1hZ2UxMDkuMzYwZG9jLmNuL0Rvd25sb2FkSW1nLzIwMjEvMDUvMTIwNy8yMjE4NTMxMTVfMTdfMjAyMTA1MTIwNzM5MDI0NTg=.jpg)
![](http://pic.ikafan.com/imgp/L3Byb3h5L2h0dHAvaW1hZ2UxMDkuMzYwZG9jLmNuL0Rvd25sb2FkSW1nLzIwMjEvMDUvMTIwNy8yMjE4NTMxMTVfMThfMjAyMTA1MTIwNzM5MDMyMA==.jpg)
![](http://pic.ikafan.com/imgp/L3Byb3h5L2h0dHAvaW1hZ2UxMDkuMzYwZG9jLmNuL0Rvd25sb2FkSW1nLzIwMjEvMDUvMTIwNy8yMjE4NTMxMTVfMTlfMjAyMTA1MTIwNzM5MDM0NzM=.jpg)
![](http://pic.ikafan.com/imgp/L3Byb3h5L2h0dHAvaW1hZ2UxMDkuMzYwZG9jLmNuL0Rvd25sb2FkSW1nLzIwMjEvMDUvMTIwNy8yMjE4NTMxMTVfMjBfMjAyMTA1MTIwNzM5MDM5NzM=.jpg)
![](http://pic.ikafan.com/imgp/L3Byb3h5L2h0dHAvaW1hZ2UxMDkuMzYwZG9jLmNuL0Rvd25sb2FkSW1nLzIwMjEvMDUvMTIwNy8yMjE4NTMxMTVfMjFfMjAyMTA1MTIwNzM5MDQ0MTE=.jpg)
![](http://n4.ikafan.com/assetsj/blank.gif)
![](http://n4.ikafan.com/assetsj/blank.gif)
![](http://n4.ikafan.com/assetsj/blank.gif)
![](http://n4.ikafan.com/assetsj/blank.gif)
![](http://n4.ikafan.com/assetsj/blank.gif)
![](http://n4.ikafan.com/assetsj/blank.gif)
![](http://n4.ikafan.com/assetsj/blank.gif)
![](http://n4.ikafan.com/assetsj/blank.gif)
![](http://n4.ikafan.com/assetsj/blank.gif)
![](http://n4.ikafan.com/assetsj/blank.gif)
![](http://n4.ikafan.com/assetsj/blank.gif)
![](http://n4.ikafan.com/assetsj/blank.gif)
![](http://n4.ikafan.com/assetsj/blank.gif)
![](http://n4.ikafan.com/assetsj/blank.gif)
![](http://n4.ikafan.com/assetsj/blank.gif)
![](http://n4.ikafan.com/assetsj/blank.gif)
![](http://n4.ikafan.com/assetsj/blank.gif)
![](http://n4.ikafan.com/assetsj/blank.gif)
![](http://n4.ikafan.com/assetsj/blank.gif)
![](http://n4.ikafan.com/assetsj/blank.gif)
![](http://n4.ikafan.com/assetsj/blank.gif)
![](http://n4.ikafan.com/assetsj/blank.gif)
![](http://n4.ikafan.com/assetsj/blank.gif)
![](http://n4.ikafan.com/assetsj/blank.gif)
![](http://n4.ikafan.com/assetsj/blank.gif)
![](http://n4.ikafan.com/assetsj/blank.gif)
![](http://n4.ikafan.com/assetsj/blank.gif)
![](http://n4.ikafan.com/assetsj/blank.gif)
至今尚未明确,目前仅提出几种假说:
(1)皮质及皮质下损伤:或间脑及脑干自主神经功能紊乱,导致脑干和或间脑“去抑制”现象,当大脑皮质及皮下严重损伤时,产生急性血管源性水肿,渗出的血浆及兴奋性有毒物质波及间脑、脑干,出现继发性损害,还有可能因为皮质及皮下神经元损害,导致神经营养顺行营养受损,加重间脑、脑干损害,从而导致间脑脑干功能紊乱.
(4)兴奋/抑制率模型学说:认为中枢神经系统有3个兴奋/抑制中枢,分别是脊髓兴奋/抑制中枢、中脑兴奋/抑制中枢、运动中枢,与兴奋/抑制路径构成闭合的回路,它们之间相互补充又以此方式相互拮抗,当中脑兴奋/抑制中枢及运动中枢受到损伤或失去功能时,其邻近功能区域以及脊髓兴奋/抑制中枢就会失去抑制,出现过度兴奋,通过构成的回路进一步抑制中脑兴奋/抑制中枢、运动中枢,当有害或无害刺激传入过度活动的脊髓时都会被当成有害刺激,从而诱发自主神经和运动神经过度兴奋,表现为自主神经症、运动症状的发作。这些理论及假设缺乏明确的病理生理基础支持,亟需进一步的研究。
赞 (0)