Methods: 61 patients with massive emptysis were divided into two group in random.
方法：将61例大咯血患者随机分为两组。
Methods 122 patients with massive emptysis were divided into two group in random.
方法：将122例大咯血患者随机分为两组。
Fever, emptysis, diarrhea, acute left heart failure and acute respiratory failure.
发热，咯血，腹泻，急性左心衰竭，急性呼吸衰竭。
Conclusion The possible causes of obstinate emptysis in patients with bronchiectasis are mainly infections.
结论支扩顽固性咯血，感染可能是重要原因。
Conclusion The possible causes of obstinate emptysis in patients with bronchiectasis are mainly infections.
结论支扩顽固性咯血，感染可能是重要原因。
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