Abstract
目的 探讨急性有机磷农药中毒(AOPP)患者机械通气治疗时呼吸机相关性肺炎的危险因素.方法 回顾分析本院收治的96例AOPP呼吸衰竭机械通气患者呼吸机相关性肺炎(VAP)及其临床观察指标.先以单因素分析筛选出有统计学意义的危险因素,再通过多元逐步Logistic回归分析确定VAP的独立危险因素.结果 VAP发生率为47.92%,病死率为7.29%.单因素分析显示,入院时意识障碍、应用广谱抗生素、原有慢性呼吸道疾病、留置胃管、使用抑酸剂及感染确定前使用阿托品总量是VAP的危险因素;多元Logistic回归分析显示,VAP的独立危险因素及其OR值和95%可信区间依次为原有慢性呼吸道疾病7.384(1.654~32.967)、使用抑酸剂5.151(1.527~17.381)、留置胃管3.983(1.024~14.312)、入院时意识障碍3.567(1.274~9.987).结论 原患有慢性呼吸道疾病、使用抑酸剂、留置胃管3 d以上、入院时意识障碍是AOPP患者发生VAP的危险因素。
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