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中华肺部疾病杂志(电子版) ›› 2025, Vol. 18 ›› Issue (04) : 516 -520. doi: 10.3877/cma.j.issn.1674-6902.2025.04.004

论著

慢性阻塞性肺疾病伴心力衰竭患者继发肺部感染的危险因素分析
同娟1, 乔燕1,(), 田丹1, 高萌1, 毛书祥2, 杨洋2   
  1. 1710032 西安,空军军医大学附属西京医院心血管内科
    2710032 西安,空军军医大学附属西京医院呼吸内科
  • 收稿日期:2025-06-25 出版日期:2025-08-25
  • 通信作者: 乔燕
  • 基金资助:
    陕西省重点研发计划(S2024-YF-YBGY-150)

Analysis of risk factors for secondary pulmonary infection in patients with chronic obstructive pulmonary disease complicated with heart failure

Juan Tong1, Yan Qiao1,(), Dan Tian1, Meng Gao1, Shuxiang Mao2, Yang Yang2   

  1. 1Department of Cardiovascular Medicine, Xijing Hospital Affiliated to Air Force Medical University, Xi′an 710032, China
    2Department of Respiratory Medicine, Xijing Hospital Affiliated to Air Force Medical University, Xi′an, Shaanxi 710032, China
  • Received:2025-06-25 Published:2025-08-25
  • Corresponding author: Yan Qiao
引用本文:

同娟, 乔燕, 田丹, 高萌, 毛书祥, 杨洋. 慢性阻塞性肺疾病伴心力衰竭患者继发肺部感染的危险因素分析[J/OL]. 中华肺部疾病杂志(电子版), 2025, 18(04): 516-520.

Juan Tong, Yan Qiao, Dan Tian, Meng Gao, Shuxiang Mao, Yang Yang. Analysis of risk factors for secondary pulmonary infection in patients with chronic obstructive pulmonary disease complicated with heart failure[J/OL]. Chinese Journal of Lung Diseases(Electronic Edition), 2025, 18(04): 516-520.

目的

分析慢性阻塞性肺疾病(chronic obstructive pulmonary disease, COPD)伴心力衰竭(heart failure, HF)患者继发肺部感染的危险因素。

方法

选择2023年1月至2024年12月我院收治的76例COPD伴HF患者为对象,根据是否发生肺部感染分组,继发肺部感染31例为观察组,未继发肺部感染45例为对照组。收集患者临床资料,分析肺部感染发生情况,使用多因素Logistic回归分析COPD伴HF患者继发肺部感染的影响因素,绘制列线图,分析预测价值。

结果

观察组患者糖尿病史26例(83.87%)、长期使用糖皮质激素或抗生素25例(80.65%)高于对照组糖尿病史10例(22.23%)、长期使用糖皮质激素或抗生素15例(33.33%),观察组白蛋白(34.70±4.55)g/L低于对照组(39.58±4.60)g/L(P<0.05)。Logistic回归分析显示,糖尿病史(OR=1.050,95%CI:1.024~1.077)、长期使用糖皮质激素或抗生素(OR=1.104,95%CI:1.043~1.169)、血清白蛋白(OR=0.850,95%CI:0.792~0.912)为COPD伴HF继发肺部感染的危险因素(P<0.05)。按7︰3拆分训练集与验证集,训练集53例和验证集23例预测COPD伴HF继发肺部感染受试者特征曲线(receiver operating characteristic, ROC)的曲线下面积(area under the curve, AUC)(95%CI)分别为0.88(0.77~0.98)和0.90(0.77~1.00);列线图预测COPD伴HF继发肺部感染校正曲线趋近于理想曲线(P=0.449、0.188);DCA曲线显示列线图概率阈值20%~85%具有正向净收益。76例COPD伴HF患者中生存70例,死亡6例,其中2例因肺部感染死亡,2例因急性呼吸衰竭死亡,2例因恶性心律失常死亡。

结论

有糖尿病史、长期使用糖皮质激素或抗生素、低白蛋白水平为COPD伴HF患者继发肺部感染的危险因素。

Objective

To analyze the risk factors for secondary pulmonary infection in patients with chronic obstructive pulmonary disease (COPD) complicated by heart failure (HF).

Methods

All of 76 COPD patients with HF admitted to our hospital from January 2023 to December 2024 were selected as subjects. They were divided into groups based on the occurrence of pulmonary infection: 31 patients with secondary pulmonary infection were assigned to the observation group, and 45 patients without secondary infection were assigned to the control group. Clinical data were collected, and the occurrence of pulmonary infection was analyzed. Multivariate Logistic regression analysis was used to identify the influencing factors for secondary pulmonary infection in COPD patients with HF. A nomogram was constructed, and its predictive value was analyzed.

Results

In the observation group 26 cases (83.87%) had a higher prevalence of diabetes history and 25 cases (80.65%)long-term use of glucocorticoids or antibiotics compared to the control group diabetes history 10 cases(22.23%); long-term glucocorticoid/antibiotic use 15 cases( 33.33%). Serum albumin levels were lower in the observation group (34.70±4.55) g/L than in the control group (39.58±4.60) g/L (P<0.05). Logistic regression analysis identified diabetes history (OR=1.050, 95%CI: 1.024~1.077), long-term use of glucocorticoids or antibiotics (OR=1.104, 95%CI: 1.043~1.169), and serum albumin level (OR=0.850, 95%CI: 0.792~0.912) as risk factors for secondary pulmonary infection in COPD patients with HF (P<0.05). The dataset was split into a training set (53 cases) and a validation set (23 cases) in a 7︰3 ratio. The area under the curve (AUC) (95% CI) of receiver operating characteristic (ROC) curve for predicting secondary pulmonary infection was 0.88 (0.77~0.98) in the training set and 0.90 (0.77~1.00) in the validation set. The calibration curve of the nomogram for predicting secondary pulmonary infection approximated the ideal curve (P=0.449, 0.188). Decision curve analysis (DCA) showed a positive net benefit within the nomogram probability threshold range of 20% to 85%. Among the 76 COPD patients with HF, 70 survived and 6 died, with 2 deaths due to pulmonary infection, 2 due to acute respiratory failure, and 2 due to malignant arrhythmia.

Conclusion

History of diabetes, long-term use of glucocorticoids or antibiotics, and low serum albumin levels are risk factors for secondary pulmonary infection in COPD patients with HF.

表1 两组COPD伴HF患者临床资料结果比较
临床资料 观察组(n=31) 对照组(n=45) χ2/t P
吸烟史[n(%)] 10(32.26) 12(26.67) 0.279 0.597
饮酒史[n(%)] 13(41.94) 17(37.78) 0.133 0.716
糖尿病史[n(%)] 26(83.87) 10(22.23) 27.982 0.000
高血压史[n(%)] 8(25.81) 12(26.67) 0.007 0.933
高血脂史[n(%)] 5(16.13) 7(15.56) 0.005 0.946
住院时间[d,(±s)] 6.23±1.12 6.06±1.20 0.623 0.535
心功能分级[n(%)]     0.115 0.735
15(48.39) 20(44.44)    
10(32.26) 15(33.33)    
6(19.35) 10(22.23)    
长期使用糖皮质激素或抗生[n(%)] 25(80.65) 15(33.33) 16.480 0.000
白细胞计数[×109/L,(±s)] 40.53±4.24 40.66±4.10 0.134 0.894
红细胞计数[109/L,(±s)] 4.33±0.95 4.02±1.10 1.275 0.206
血红蛋白[g/L,(±s)] 105.70±15.55 110.22±15.01 1.271 0.208
白蛋白[g/L,(±s)] 34.70±4.55 39.58±4.60 3.630 0.000
中性粒细胞[109/L,(±s)] 82.60±6.12 80.50±6.74 1.385 0.170
淋巴细胞[109/L,(±s)] 12.52±4.11 13.51±4.25 1.011 0.315
丙氨酸氨基转移酶[U/L,(±s)] 38.37±10.21 35.68±10.78 1.092 0.278
门冬氨酸氨基转移酶[U/L,(±s)] 25.27±4.53 24.11±4.12 1.158 0.251
葡萄糖(mmol/L) 7.60±1.12 7.68±1.18 0.296 0.768
肌酐[μmol/L,(±s)] 1.28±0.35 1.38±0.44 1.055 0.295
尿酸[μmol/L,(±s)] 302.79±80.54 288.46±70.31 0.823 0.413
尿素氮[mmol/L,(±s)] 6.72±0.75 6.65±0.79 0.387 0.700
总胆固醇[mmol/L,(±s)] 3.08±0.45 3.28±0.46 1.879 0.064
甘油三酯[mmol/L,(±s)] 1.22±0.26 1.26±0.28 0.630 0.531
低密度脂蛋白胆固醇[mmol/L,(±s)] 2.22±0.67 2.44±0.64 1.445 0.153
高密度脂蛋白胆固醇[mmol/L,(±s)] 1.25±0.33 1.40±0.34 1.913 0.060
表2 COPD伴HF患者继发肺部感染多因素回归分析
图1 预测COPD伴HF患者继发肺部感染列线图
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