吴玉琴，叶俏，陈小珍，张纯，戴训芬，李约曼，张飞云，李跃，郑承婉，胡洪佩目的昏迷患者下呼吸道感染危险因素，并采取相应的降低感染率的护理措施。

Objective To study on risk factors of ICU coma patients who suffered from low respiratory tract infection(hospital acquired pneumonia, HAP), then perform relevant nursing care to reduce the HAP rates.

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