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慢性痒与抑郁交互恶化的机制 被引量:9

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摘要 在日常生活中,大家都经历过痒,或是一过性,或是慢性迁延;或是有皮肤表现,或是痒无定位.急性痒是一种机体的保护机制,可使人避开伤害和危险,或早期发现疾病;而慢性瘙痒则丧失了保护作用,会导致睡眠障碍、心境恶劣、兴趣丧失、快感缺失,久而久之,就会导致焦虑、抑郁等负性情绪,甚至自杀.另一方面,长期精神压力大或患有焦虑、抑郁等精神疾病的人,也会诱发或加重各种瘙痒性皮肤病,比如特异性皮炎、神经性皮炎、银屑病、白癜风等.即慢性痒可导致抑郁等负性情绪,同时抑郁等负性情绪也可诱发或加重慢性痒,形成"瘙痒-抑郁-瘙痒"的恶性循环.目前,对于慢性痒及其诱发的负性情绪,以及负性情绪相关的慢性痒的治疗仍缺乏理想的手段.究其原因,是因为相关的机制仍不清楚.
出处 《神经解剖学杂志》 CAS CSCD 北大核心 2017年第2期241-246,共6页 Chinese Journal of Neuroanatomy
基金 国家自然科学基金(31371211)
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