Objective:To carry out preoperative nutritional risk screening for inpatient to understand their nutritional risk status,and to explore the relationship between postoperative nutritional support and related clinical outcomes.Methods:A total of 378 patients in the Third Ward of Department of General Surgery,the Second Affiliated Hospital of Shantou University,completed NRS 2002 scoring within 48 h after admission.The patients with NRS scores more than 3 points were judged to have nutritional risk,and they were divided into nutrition support group (114 cases) and non-nutrition support group (60 cases) according to whether or not to accept the nutrition support.According to the doctor's advice,the data of nutrition support were obtained,the related clinical outcomes were recorded twice a week,and the relationship between them was analyzed.The influencing factors of hospitalization costs and infectious complications were analyzed.Results:Among the 378 inpatients,the nutritional risk rate was 50.53％.Of the 174 patients enrolled in the cohort study,the nutritional support rate was 65.52％ (114/174).The difference of hospitalization time between the nutrition support group and the non-nutrition support group was statistically significant (P=0.028).There was no significant difference between the two groups in the hospitalization costs.The incidence of infectious complications (P=0.034) and the total complication rate (P=0.012) in the nutrition support group were lower than those in the non-nutrition support group.Disease score and nutrition support were the influencing factors of the incidence of infectious complications (P＜0.10).Hospitalization days,disease score and nutrition score were the influencing factors of hospitalization costs (P＜0.10).Conclusions:General surgery patients have higher nutrition risks,and nutrition support can reduce infectious complications,total complications and shorten hospital stay.NRS 2002 has a superior ability of predicting clinical outcomes.%目的:应用营养风险筛查工具NRS 2002对住院患者开展术前营养风险筛查,了解其营养风险状况,并探讨术后营养支持情况与相关临床结局的关系.方法:选择在汕头大学第二附属医院普通外科三病区住院并于入院48 h内完成NRS2002评分患者(378例)作为研究对象.评分≥3分者判定为有营养风险.将最终纳入队列研究的174例营养风险患者按是否接受营养支持分为营养支持组(114例)和非营养支持组(60例).根据医嘱信息获得营养支持相关数据,每周2次记录住院患者相关临床结局,分析两者的关系.分析影响住院费用、感染性并发症发生率的因素.结果:378例住院患者中,营养风险率50.53％(191/378).174例纳入队列研究住院患者中,营养支持率65.52％(114/174).营养支持组与非营养支持组住院时间差异有统计学意义(P=0.028),两组住院费用差异无统计学意义.营养支持组感染性并发症发生率(P=0.034)、总并发症发生率(P=0.012)均低于非营养支持组.疾病评分、营养支持是感染性并发症发生率的影响因素(P＜0.10).住院天数、疾病评分、营养评分是住院费用的影响因素(P＜0.10).结论:普通外科患者营养风险率较高;NRS 2002对普通外科存在营养风险的患者的临床结局有一定预测功能;营养支持可减少感染性并发症、总并发症发生,缩短住院时间.
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