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貝爾麻痹有哪些臨床表現?

Posted By vickong pun     July 14, 2021    

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貝爾麻痹有哪些臨床表現?

  貝爾麻痹有哪些臨床表現?貝爾麻痹指臨床上不能肯定病因的、不伴有其他體征或症狀的單純性周圍面神經麻痹。

其起病急驟,發病前可無任何自覺症狀,患者常在晨起盥洗時因不能喝水和含漱而發現,或者自己並無感覺而被他人首先發現。

其典型症狀有:患側口角下垂,健側向上歪斜,因口輪匝肌癱瘓,而發生飲水時漏水、不能鼓腮、吹氣漏氣等唇功能障礙。
前額皺紋消失,不能皺眉。

由於眼輪匝肌癱瘓後,失去了受動眼神經支配的上瞼提肌保持平衡協調的隨意動作,致使瞼裂擴大、上下眼瞼閉合不全、結膜外露。
用力緊閉時,眼球則轉向外上方,此稱貝爾征。

由於患者不能閉眼,故易患結膜炎。
由於淚囊肌癱瘓及結膜炎等原因,在下結膜囊內,常有淚液積滯或溢出。

                    

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