老年性痴呆和血管性痴呆的区别

如题所述

血管性痴呆/VD                 老年性痴呆/老年痴呆症/阿尔茨海默病/AD                                           发病特点                   突发或逐渐起病                    逐渐起病

进展方式             阶梯式、波动性                 渐进性加重

执行功能障碍               有                                 无或轻

情绪不稳                       无                                  有

尿频                            有                                  无

记忆损害         常有,不一定是首发症状     常有,一定是首发症状

精神症状                      可能出现                         经常出现

步态                          早期即可出现               直到病情严重时出现

神经系统症状          有局灶症状                   局灶症状可缺如

影像学                       多发性梗塞灶              无梗塞灶,但可见萎缩

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