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中华卫生应急电子杂志 ›› 2025, Vol. 11 ›› Issue (04) : 209 -214. doi: 10.3877/cma.j.issn.2095-9133.2025.04.005

论著

老年COPD合并呼吸衰竭患者Lac、早期LCR、BNP、D-二聚体与预后的关系研究
胡玉兰(), 刘金玉   
  1. 223600 江苏沭阳,沭阳医院呼吸与危重症医学科
  • 收稿日期:2025-05-14 出版日期:2025-08-18
  • 通信作者: 胡玉兰

Relationship between Lac, LCR, BNP, D-dimer and prognosis in elderly patients with COPD complicated with respiratory failure

Yulan Hu(), Jinyu Liu   

  1. Department of Respiratory and Critical Care Medicine, Shuyang Hospital, Shuyang 223600, China
  • Received:2025-05-14 Published:2025-08-18
  • Corresponding author: Yulan Hu
引用本文:

胡玉兰, 刘金玉. 老年COPD合并呼吸衰竭患者Lac、早期LCR、BNP、D-二聚体与预后的关系研究[J/OL]. 中华卫生应急电子杂志, 2025, 11(04): 209-214.

Yulan Hu, Jinyu Liu. Relationship between Lac, LCR, BNP, D-dimer and prognosis in elderly patients with COPD complicated with respiratory failure[J/OL]. Chinese Journal of Hygiene Rescue(Electronic Edition), 2025, 11(04): 209-214.

目的

分析老年慢性阻塞性肺疾病(COPD)合并呼吸衰竭患者血乳酸(Lac)、早期乳酸清除率(LCR)、B型利钠肽(BNP)、D-二聚体(D-D)与预后的关系。

方法

回顾性分析2022年4月至2025年2月沭阳医院收治的80例老年COPD合并呼吸衰竭患者临床资料,依据不同病情程度分为轻中度52例及重度呼吸衰竭28例。根据患者入院后28 d内的随访结局分为死亡组11例与生存组69例,将76例老年COPD但无呼吸衰竭患设为对照组。比较老年COPD合并呼吸衰竭组与对照组患者,老年COPD合并呼吸衰竭不同病情程度及不同预后Lac、早期LCR、BNP、D-D水平,分析老年COPD呼吸衰竭Lac、早期LCR、BNP、D-D水平与动脉血氧分压(PaO2)、动脉血二氧化碳分压(PaCO2)相关性,用受试者工作特征(ROC)曲线分析指标对老年COPD合并呼吸衰竭预后的预测价值。

结果

老年COPD合并呼吸衰竭组Lac、BNP、D-D水平高于对照组,早期LCR低于对照组(P<0.05)。重度呼吸衰竭组Lac、BNP、D-D水平高于轻中度呼吸衰竭组(P<0.05),早期LCR低于轻中度呼吸衰竭组(P<0.05)。老年COPD合并呼吸衰竭死亡组Lac、BNP、D-D水平高于生存组,早期LCR低于生存组(P<0.05)。老年COPD合并呼吸衰竭患者Lac、BNP、D-D水平与PaCO2均呈正相关(P<0.05),Lac、BNP、D-D水平与PaO2呈负相关(P<0.05),老年COPD合并呼吸衰竭患者早期LCR水平与PaCO2呈负相关(P<0.05),Lac、BNP、D-D水平与PaO2呈正相关(P<0.05)。ROC曲线分析显示,联合检测的AUC大于Lac、早期LCR、BNP、D-D单个检测。

结论

老年COPD合并呼吸衰竭患者Lac、早期LCR、BNP、D-D水平与病情程度、预后有一定相关性,可用于预后评估。

Objective

To analyze the relationship between blood lactate (Lac), early lactate clearance (LCR), B-type natriuretic peptide (BNP), D-dimer (D-D) and prognosis in elderly patients with chronic obstructive pulmonary disease (COPD) complicated with respiratory failure.

Methods

The clinical data of 80 elderly patients with COPD complicated with respiratory failure admitted to the Department of Respiratory and Critical Care Medicine in Shuyang Hospital from April 2022 to February 2025 were retrospectively analyzed, and they were divided into the death group with 11 cases and the survival group with 69 cases according to the follow-up outcomes within 28 days after admission. 76 patients with COPD but without respiratory failure were set as the control group. The levels of Lac, LCR, BNP and D-D in the elderly COPD complicated with respiratory failure group and the control group, as well as different disease degrees and prognoses of elderly COPD complicated with respiratory failure were compared, the correlations between Lac, LCR, BNP, D-D levels and arterial partial pressure of oxygen (PaO2) and arterial partial pressure of carbon dioxide (PaCO2) in elderly patients with COPD and respiratory failure were analyzed, and the receiver operating characteristic (ROC) curve was used to analyze the prognostic value of indicators in elderly patients with COPD combined with respiratory failure.

Results

The levels of Lac, BNP and D-D in COPD group with respiratory failure were higher than those in control group, but LCR was lower than those in control group (P<0.05).The levels of Lac, BNP and D-D levels in severe respiratory failure group were higher than those in mild-moderate respiratory failure group, and LCR was lower than those in mild-moderate respiratory failure group (P<0.05). The levels of Lac, BNP and D-D in COPD patients with respiratory failure were higher than those in survival group, and the LCR was lower than those in survival group (P<0.05). The levels of Lac, BNP and D-D were positively correlated with PaCO2 in elderly patients with COPD combined with respiratory failure (P<0.05), the levels of Lac, BNP and D-D were negatively correlated with PaO2 (P<0.05), the levels of LCR were negatively correlated with PaCO2 in elderly patients with COPD combined with respiratory failure (P<0.05), and the levels of Lac, BNP and D-D were positively correlated with PaO2 (P<0.05). ROC curve analysis showed that the AUC of the combined detection was greater than that of Lac, LCR, BNP, and D-D individually.

Conclusion

Lac, LCR, BNP and D-D levels in elderly patients with COPD complicated with respiratory failure have certain correlation with the severity of the disease and prognosis, and can be used for prognosis assessment.

表1 两组临床资料比较[例(%)]
表2 老年COPD合并呼吸衰竭组与对照组患者Lac、早期LCR、BNP、D-D水平比较(±s
表3 老年COPD合并呼吸衰竭不同病情程度患者Lac、早期LCR、BNP、D-D水平比较(±s
表4 老年COPD合并呼吸衰竭不同预后患者Lac、早期LCR、BNP、D-D水平比较(±s
表5 老年COPD合并呼吸衰竭患者Lac、早期LCR、BNP、D-D水平与PaCO2、PaO2相关性分析
图1 Lac、早期LCR、BNP、D-D预测老年COPD合并呼吸衰竭预后的ROC曲线注:Lac为血乳酸,LCR为早期乳酸清除率,BNP为B型利钠肽,D-D为D-二聚体,ROC为受试者工作特征
表6 Lac、早期LCR、BNP、D-D水平对老年COPD合并呼吸衰竭预后的预测价值
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