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复杂区域疼痛综合征(CRPS)/反射交感神经营养不良(RSD)

ID: ANH11043chis
医学动画文字记录:复杂区域疼痛综合征(CRPS),正式名称为反射交感神经营养不良(RSD),是一种慢性疾病,会导致手臂、手、腿或脚的持续灼痛和肿胀。当疼痛感受器以神经冲动的形式向大脑传递疼痛信息时,身体对受伤的正常反应就开始了。一旦这些冲动到达大脑中的疼痛中枢,疼痛中枢就会产生新的冲动,并通过交感神经系统将它们发送到受伤区域。交感神经冲动引发炎症反应,导致血管扩张。炎症反应也会导致受损组织的肿胀和发红。随着伤口愈合,肿胀和红肿消退,疼痛也消失了。不过,如果你有复杂区域疼痛综合征,疼痛和肿胀不会在伤口愈合后消失,可能会随着时间的推移恶化。虽然确切的原因尚不清楚,但有一种理论认为,在伤口愈合后,不正常的冲动继续沿着神经传递到皮肤和血管,刺激炎症反应。虽然症状是相同的,但是有两种类型的复杂区域疼痛综合征。如果你患有CRPS I,你的症状可能是由疾病或受伤引发的,但受影响区域没有神经损伤。如果你患有CRPS II,你的症状显然与受影响区域的神经损伤有关。复杂区域疼痛综合征的治疗集中在疼痛管理上,因为这种情况没有治愈方法。治疗方案可能包括止痛药、物理疗法、神经阻滞、植入疼痛控制装置、手术和社会心理学的支持。

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