Although secondary Raynaud's phenomenon affects less than 1% of the population, it can be quite serious when it occurs, resulting in ischemia and ulcers, he said.

虽然继发性雷诺现象只影响了不到1%的患者，但是一旦发生可能会相当严重，最终导致缺血或溃疡，他说。

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Although secondary Raynaud's phenomenon affects less than 1% of the population, it can be quite serious when it occurs, resulting in ischemia and ulcers, he said.

虽然继发性雷诺现象只影响了不到1%的患者，但是一旦发生可能会相当严重，最终导致缺血或溃疡，他说。

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