甲沟炎与脓性指头炎有何区别呢?
甲沟炎与脓性指头炎有何区别呢?
指甲根部与皮肤连接紧密,皮肤沿指甲两侧形成甲沟,甲沟炎是指甲沟与其周围组织的感染。脓性指头炎是指手指末节掌面的皮下脓性感染。致病菌多为金黄色葡萄球菌。甲沟炎多为手指的轻微外伤,如刺伤、挫伤、剪指甲过深和逆剥皮等引起。脓性指头炎可有甲沟炎扩散、蔓延所致,也可因手指末节刺伤或皮肤受损引起。
临床表现:
1.甲沟炎
甲沟炎常发生在一侧甲沟皮下,开始时,出现红、肿、痛,炎症可自行或者经过治疗后消退,也可迅速化脓。脓液自甲沟一侧壳蔓延至甲根部或者对侧甲沟,形成半环形脓肿。若未及时切开排脓,感染自甲沟缘深处可形成指头炎或者甲下脓肿性甲沟炎或者指骨骨髓炎。甲沟炎多无全身症状。
2.脓性指头炎
早期表现为指头发红、轻度肿胀、针刺样疼痛,继而肿胀加重、疼痛剧烈。当指动脉受压时,疼痛转为搏动性跳痛,患指下垂时加重,剧痛常使病人烦躁、彻夜不眠。此时多伴有全身症状,如发热、全身不适、白细胞计数升高等。感染进一步加重时,局部组织缺血坏死,神经末梢因受压和营养障碍而麻痹,指头疼痛反而减轻,皮色由红转白。若治疗不及时常引起指骨缺血性坏死。形成慢性骨髓炎,伤口经久不愈。
处理原则:
1.甲沟炎
早期局部热敷、理疗,外敷甲沟灵药膏等。应用磺胺类药或头孢类抗生素。已有脓液时可在甲沟处纵行切开引流。如甲床下已积脓,应将指甲剥去,或将脓腔上的指甲剪去。剥甲时注意避免损伤甲床,以免日后新生指甲畸形。
2.脓性指头炎
初发生时应悬吊前臂平置患手,避免下垂以减轻疼痛,给予青霉素等抗菌药物,患指外敷消肿膏或金黄膏等。一旦出现跳痛、明显肿胀,及时切开减压和引流,避免发生指骨坏死和骨髓炎,不能等到波动出现后才手术。
平时:
1.维持正常体温,保证休息和睡眠,多饮水多摄入高蛋白、含维生素丰富,尤其是含维生素C多的食物,以提高抵抗力,促进伤口早日愈合。
2.日常保持指(趾)头清洁、干燥,穿宽松鞋,避免挤压,避免剪指(趾)甲过深,加强指(趾)头保护,重视指(趾)头出细微损伤,伤后用碘伏消毒、无菌纱布包扎以防感染。轻度感染应及早就诊。
3.忌食辛辣刺激的食物。
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