与造成严重肺炎的其它危险因素一样，军团病最常见的并发症是呼吸衰竭、休克以及急性肾脏衰竭和多器官衰竭。

In common with other risk factors causing severe pneumonia, the most frequent complications of legionellosis are respiratory failure, shock and acute kidney and multi-organ failure.

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结果：脑疝占6 6 .7% ，为首要死因，再次出血为次要死因，多脏器功能衰竭在发病一周后易出现，肺炎所致呼吸衰竭、心源性休克也是部分脑出血的死亡原因。

Results Cerebral herniation is 66.7%, it is the first important fatal cause. Recurrent cerebral haemorrhage is the secondary fatal cause, Multiple Organ Failure often emerges after one week.

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