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什麼叫頜面部間隙感染?

Posted By vickong pun     July 10, 2021    

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什麼叫頜面部間隙感染?

  

  什麼叫頜面部間隙感染?口腔、顏面、頸部深面的知名解剖結構,均有緻密的筋膜包繞。
在這些解剖結構的筋膜之間有數量不等而又彼此連續的疏鬆結締組織或脂肪組織填充。
由於感染常沿這些阻力薄弱的結構擴散,故將其視為感染發生和擴散的潛在間隙。
感染累及潛在筋膜間隙內結構,稱頜面部間隙感染。

感染多為需氧和厭氧菌引起的混合感染,也可為葡萄球菌、鏈球菌等引起的化膿性感染,或厭氧菌等引起的腐敗壞死性感染。
初期表現為蜂窩織炎,在脂肪結締組織變性壞死後,則可形成膿腫,甚至可沿著神經、血管擴散,引起海綿竇血栓性靜脈炎、腦膿腫、敗血症、縱隔障炎等嚴重併發症。

在感染發生、發展過程中表現出程度不同的化膿性感染的全身症狀。

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