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目的:探讨慢性阻塞性肺疾病急性加重期（AECOPD）患者血清脂联素与炎性标志物、营养状态及重度急性加重次数的关系。方法:选取2017年7月至2019年4月上海市宝山区吴淞中心医院AECOPD男性患者163例，根据血清脂联素水平将患者分为低脂联素组（血清脂联素≤ 102.38 μg/L，97例）和高脂联素组（血清脂联素>102.38 μg/L，66例），比较两组白细胞介素（IL）-6、IL-8、红细胞沉降率（ESR）、C反应蛋白（CRP）、血红蛋白、白蛋白、前白蛋白、体质量指数（BMI）及随访1年重度急性加重次数，分析脂联素与炎性标志物、营养状态及1年内重度急性加重次数的关系。结果:低脂联素组BMI、血红蛋白、前白蛋白和白蛋白明显高于高脂联素组[（23.20 ± 3.26）kg/mn 2比（20.77 ± 3.78）kg/mn 2、（133.23 ± 17.13）g/L比（125.68 ± 20.83）g/L、（185.36 ± 57.60）g/L比（148.83 ± 64.79）g/L、（37.09 ± 4.06）g/L比（33.77 ± 5.86）g/L]，差异有统计学意义（n P<0.01或n P0.05）。脂联素与BMI、血红蛋白、白蛋白和前白蛋白呈负相关（n r = -0.42、-0.28、-0.33和-0.31，n P0.05）。低脂联素组随访1年重度急性加重≥ 4次率明显低于高脂联素组[8.25%（8/97）比22.73%（15/66）]，差异有统计学意义（n χ2 = 6.79，n P102.38 μg/L, 66 cases). The interleukin (IL)-6, IL-8, erythrocyte sedimentation rate (ESR), C-reactive protein (CRP), hemoglobin, albumin, prealbumin, body mass index (BMI) and number of severe acute exacerbation in 1 year′ follow-up were compared between 2 groups, and the correlation between APN and inflammatory markers, nutritional status and number of severe acute exacerbation were analyzed.Results:The BMI, hemoglobin, prealbumin and albumin in low APN group were significantly higher than those in high APN group: (23.20 ± 3.26) kg/mn 2 vs. (20.77 ± 3.78) kg/mn 2, (133.23 ± 17.13) g/L vs. (125.68 ± 20.83) g/L, (185.36 ± 57.60) g/L vs. (148.83 ± 64.79) g/L, (37.09 ± 4.06) g/L vs. (33.77 ± 5.86) g/L, and there were statistical differences (n P<0.01 or0.05). APN showed negative correlation with BMI, hemoglobin, albumin and prealbumin (n r = -0.42, -0.28, -0.33 and -0.31; n P0.05). The rate of 4 times of severe acute exacerbation in 1 year′ follow-up in low APN group was significantly lower than that in high APN group: 8.25% (8/97) vs. 22.73% (15/66), and there was statistical difference (n χ2 = 6.79, n P<0.05).n Conclusions:The AECOPD patients with low APN have better nutritional status and less exacerbation. Serum APN can be used as a predictive index of severe acute exacerbation in AECOPD patients