研究发现85%的BPD患者症状有所减轻，仅有12%的患者旧病复发，复发率明显低于抑郁症患者或其他人格障碍患者。

The study found 85% of the people with BPD experienced remission and only 12% of those patients relapsed. The relapse rate was lower than for either major depression or other personality disorders.

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它可以完全无症状，或仅有乏力、心悸等。

It can be completely asymptomatic, or only weak, palpitations and so on.

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尽管HCM患者通常仅有轻微症状或完全无症状，但1 %的受累患者发生心脏性猝死(SCD)，而此前往往却没有患病迹象。

Although people with HCM usually display mild symptoms or are completely asymptomatic, up to 1% of affected people succumb to sudden cardiac death (SCD), often with no previous signs of illness.

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