Objective To investigate the relationship between pneumonia and malnutrition in elderly patients with stroke. Methods One hundred and six elderly patients with stroke admitted from March 2011 to March 2013 were included in the study. The triceps skinfold thickness (TSF) and mid- arm muscle circumference (MAMC) were measured as the indicators of nutritional status. The serum hemoglobin, albumin and prealbumin were measured. Results There was an significant decrease in TSF, MAMC and serum albumin in patients with malnutrition compared to non- malnutrition group (P<0.01). The incidence rate of pneumonia in malnutrition group (22/41) was significantly higher than that in non- malnutrition group(15/65)(53.6%vs 23.1%, P<0.01). Conclusion The elderly patients with stroke have high incidence of malnutrition;and pneumonia is likely to occur in those patients.%目的：探讨老年脑卒中患者营养不良的发病因素及其与相关性肺炎发生的关系，为临床中干预急性脑卒中合并营养不良的老年患者提供依据。方法选取2011-03-2013-03收治的106例老年脑卒中患者为研究对象，记录分析患者基本资料，入院1周后测量体重指数（BMI）、肱三头肌皮褶厚度（TSF），并计算上臂肌肉周径（MAMC）；检测血红蛋白、白蛋白和前白蛋白。根据结果将患者分为营养正常组及营养不良组，观察其是否发生相关性肺炎。对观察结果进行统计分析。结果106例脑卒中患者存在营养不良的为41例，发生率约为38.6%，其中有22例于观察期间发生相关性肺炎，发生率为53.6%；65例营养状况在正常范围内的患者中仅有15例发生相关性肺炎，发生率为23.1%，两者的差异有统计学意义（P＜0.01）。结论老年脑卒中患者合并营养不良的发生率较高，而合并营养不良的患者其卒中相关性肺炎的发生率也较高，营养不良是老年脑卒中患者相关性肺炎的危险因素。
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