推荐回答(4个)
我们常用“颤颤巍巍”来形容某些老年人。这里的“颤”就 是抖动的意思。老年人的手脚不由自主地抖动。其原因很多,但 有不少是患了震颤麻痹的缘故。
震颤麻痹又称帕金森病,常发生于中老年人。常见症状为震 颤、肌肉僵硬和运动减少等,主要由于脑组织的变性所致。使传 递神经细胞兴奋性的化学物质多巴胺及乙酰胆碱失去平衡,而导 致发病。此外,煤气中毒、脑动脉硬化、脑炎、颅脑外伤,锰与 二硫化碳中毒,以及应用氟哌啶醇、氯丙嗪等药物过量,均可引 起震颤麻痹。
震颤麻痹多发于50岁以后,男多于女,起病和进展都很缓慢, 其表现如下: (l) 震颤,主要在四肢远端(尤其手指)、舌、唇和下颌等 处,出现节律性抖动,而且多在静止时发生,所以又称静止性震 颤,情绪激动时加重,睡眠时完全消失。
(2) 僵硬,肢体发硬, 关节活动不灵活,动作显著变慢。站立时,呈颈部前倾、躯干俯 屈、股膝关节轻度屈曲的特殊姿势。行走时,起步困难,但一旦 起步,便以狭小慌张的步态向前奔走,越走越快,不能及时停步 或转弯。也可因肢体肌肉僵硬,而感到周身疼痛。
(3) 一切动作 均明显减少,面部表情呆板,很少眨眼,好象带了假面具一样, 故又称“面具脸”。手不能作精细动作,说话时语音很低等。
预防震颤麻痹,首先应该除去病因,若由于职业中毒引起的, 应作好厂矿劳动保护工作。如与用药有关,则应减少用量或完全 停药。
此病用药物治疗,在于调整多巴胺与乙酰胆碱的功能,使两 者恢复平衡,缓解症状。抑制乙酰胆碱的药物,如安坦、东莨菪 碱、苯甲托品等,可选用1~2种。这类药物的副作用有口干、 眼花、少汗等,患有青光眼的病人禁用。也可用左旋多巴、美多 巴、雪尼麦等,目的在于使其进入脑内转变为多巴胺,以补偿脑 中的多巴胺不足,虽然疗效较好,但副作用较多,如有恶心、呕 吐、血压降低,或心律不齐等反应。还可出现不随意运动、精神 异常等中枢神经系统反应,且药价昂贵。若症状以震颤为主,且 局限于一侧者,经药物治疗无效,可作立体导向手术疗法,震颤 多能缓解,但有部分病人仍会复发。震颤麻痹,目前尚无根治方 法,但病人如能与医生密切合作,用药得当,则好转或基本控制 是完全可能的。
可能是帕金森氏病又称震颤麻痹。是中老年人最常见的中枢神经系统变性疾病。震颤是指头及四肢颤动、振摇,麻痹是指肢体某一部分或全部肢体不能自主运动。其得名是因为一个名为帕金森的英国医生首先描述了这些症状,包括运动障碍、震颤和肌肉僵直。一般在50~65岁开始发病,发病率随年龄增长而逐渐增加,60岁发病率约为1‰,70岁发病率达3‰~5‰,我国目前大概有170多万人患有这种疾病。目前资料显示,帕金森氏病发病人群中男性稍高于女性,迄今为止对本病的治疗均为对症治疗,尚无根治方法可以使变性的神经细胞恢复。主要表现为:震颤(常为首发症状)、肌强直、运动迟缓、姿势步态异常、口、咽、腭肌运动障碍。
不知道能不能帮得上你
身体老化··细胞分裂的不够了··供血不足··很多原因的··更重要的原因是因为人身体的器官已经衰老·
身体虚弱,有气无力,会出现这种情况。另外,帕金森病也有这种症状,可以去医院检查一下神经系统。
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