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目的 探讨早期营养支持对ICU呼吸机相关性肺炎患者营养状态的影响.方法 选取2014年5月-2017年5月在平煤神马医疗集团总医院ICU病房接受气管插管机械通气治疗的呼吸机相关性肺炎患者102例,按病房床位编号分为对照组(编号为奇数)和观察组(编号为偶数)各51例,对照组给予早期肠外营养支持,观察组给予早期肠内营养支持,观察两组疗效.结果 两组患者治疗后Alb、PA、TRF、TSF、IgG水平变化均高于治疗前(P＜0.05),观察组治疗后营养各项指标和免疫指标改善程度优于对照组(P＜0.05);观察组机械通气时间、营养支持时间及入住ICU时间均少于对照组(P＜0.05);观察组并发症发生率为11.76％,显著低于对照组的31.37％(P＜0.05).结论 早期营养支持可改善ICU呼吸机相关肺炎患者营养状态,其中肠内营养支持比肠外营养支持治疗效果更佳.“,”Objective To investigate the influence of early nutritional support on nourishment state in ICU severe VAP patients.Methods Totally 102 cases with ICU severe VAP in our hospital from May 2014 to May 2017 were selected and divided into control group (odd-numbered patients) and observation group (even-numbered patients) according to bed number,51 cases in each group.Control group was given early parenteral nutrition,observation group was given early enteral nutrition,observe the curative effect of the two groups.Results Level changes of Alb,PA,TRF,TSF,IgG of two groups after treatment were higher than those before treatment (P ＜ 0.05),improvement of nutritional indexes and immunity indexes of observation group after treatment was better than control group (P ＜ 0.05);Complication incidence rate of observation group (11.76％) was significantly lower than control group (31.37％) (P ＜ 0.05).Conclusion Early nutritional support can improve nourishment state of ICU severe VAP patients,and enteral nutrition has better curative effect than that of the parenteral nutrition.