目的用计算机色彩分析软件测定正常人喉黏膜的红色指数和慢性喉炎患者喉黏膜的红色指数，客观、定量分析喉黏膜的充血程度。
OBJECTIVE To quantitatively analyze the degree of visible hyperaemia in the larynx of normal subjects and of patients with symptoms of chronic laryngitis by using a color analysis program.
结果第3天BLM组肺湿重和肺系数增加， 肺通透指数增高， 肺组织严重水肿和充血；
Results:In BLM group, the OW/BW and the index of lung penetration was increased and the morphology showed consolidation of oedema and congestion in lung in third day.
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