耳聋与耳鸣的关系

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                                                               耳聋与耳鸣的关系
                                                                    转自一国内知名学术网站

    耳聋与耳鸣密切相关且关系复杂,故有学者认为它们是一种病的两种表现。耳聋耳鸣往往并存,“无聋性耳鸣”十分罕见,各医疗机构在治疗上也基本相同。通过进一步临床分析认为:多数耳鸣主要是一种听觉功能紊乱现象,是一种症状,可以贯穿疾病全过程,是病变部位的自发性放电活动所致。耳聋则是听觉功能受到抑制或损伤,导致听力下降。
    什么是耳聋、耳鸣?
    耳聋:是由于听觉器官病变造成的听力减退,也可认为纯音测听大于25db即为耳聋,按耳聋性质可分为传导性耳聋、感音神经性耳聋、混合性耳聋。
    耳鸣:可分为主观性耳鸣和客观性耳鸣,临床所指耳鸣均为主观性耳鸣。是指没有外界声音刺激,而在耳内或头部主观上有声音感觉的现象,耳鸣严重者可引起严重后果。
    耳鸣有哪些危害?
(1)影响人的听力:“久鸣必聋”即俗语讲的“闹聋”,多数情况为渐进性听力下降,高频听力尤甚。
(2)影响人的精神生活:一旦患有耳鸣,可使患者出现一系列精神和心理障碍,这些心理障碍又可加重耳鸣,如此恶性循环。如可造成患者失眠、健忘、性格改变、忧虑症、抑郁症等。
(3)影响人的身体健康:严重耳鸣者可使患者心态失衡、内分泌失调、免疫力低下,易诱发其他疾病。
什么是感神经性耳聋耳鸣?
简单的说病变在耳蜗或蜗后即为感音神经性耳聋耳鸣。是听毛细胞、听神经受到损伤、抑制的结果。可以是各型久治不愈耳聋、耳鸣的最终转归。
    什么是突发性耳聋?
突发性聋:系指突然发生原因不明的感音神经性聋。可在数分钟、数小时或1-2d内从轻度听力减退发展至严重的耳聋。致病原因不清,与内耳微循环障碍、病毒感染、变态反应、自身免疫、代谢紊乱及内耳压力突变有关。
更多关于助听器及听力健康方面的文章请参见我的文学城博客http://blog.wenxuecity.com/myoverview/71756/

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