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医院获得性肺炎(NP)是医院感染中第2位最常见病因,占所有医院感染的15～18%,需要机械通气的(MV)患者危险性更大。本文用单变量和多变量统计技术,研究需要MV>48h 患者NP 发病率、危险性和预后因素。患者住院需MV>48h 的322例成年患者,其中术后MV 处理者174例(54%)、急性呼衰107例(33%)、神经系统疾病需用MV 者41例(13%)。结果322例中78例(24%)发生MV 相关性
Hospital Acquired Pneumonia (NP) is the second most common cause of nosocomial infection, accounting for 15-18% of all nosocomial infections, and patients who require mechanical ventilation (MV) are at greater risk. In this paper, univariate and multivariate statistical techniques to study the need for MV> 48h NP incidence, risk and prognostic factors. Patients were enrolled in 322 adult patients requiring MV> 48h, of whom 174 (54%) were treated with postoperative MV, 107 (33%) with acute respiratory failure, and 41 (13%) with neurological disease requiring MV. Results Of 322 cases, 78 cases (24%) had MV correlation