Prognostic Value of CD14 Expression in Peripheral Blood Mononuclear Cell Membrane in Patients with Severe COPD Complicated with Pulmonary Infection.

IF 1.1 4区 医学 Q4 IMMUNOLOGY Iranian Journal of Immunology Pub Date : 2024-09-25 DOI:10.22034/iji.2024.102320.2783
Ruiping Li, Wei Song, Donglan Mei
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Abstract

Background: Severe chronic obstructive pulmonary disease (COPD) patients with pulmonary infections face higher morbidity and mortality.

Objective: To investigate mononuclear cell membrane CD14 as a prognostic marker for their outcome.

Methods: A total of 311 participants were included: 122 in the coinfection group, 127 in the severe COPD group, and 62 in the control group. The patients in the coinfection group were categorized into survival (n=106) and death (n=16) groups based on hospitalization prognosis. The CD14%, CD14MFI, and CD14IND values were compared between the groups. Death risk factors were assessed by COPD grading, FEV1% pred, FEV1/FVC, CD14%, CD14MFI, and CD14IND. Correlations between CD14 parameters and mortality, COPD grade, FEV1%pred, and FEV1/FVC were analyzed. The critical value for CD14IND to predict patient death was determined and survival rates were compared between the high and the low-risk groups.

Results: CD14% values were significantly lower in the COPD and co-infection groups than in the control groups (p<0.05). The survival group showed a steady increase in mCD14 expression, while the death group showed fluctuating low levels. Low value of CD14% was identified as a risk factor for death and correlated with mortality and COPD severity (p<0.001). CD14IND≤74.36 predicted death with 91.22% sensitivity and 95.51% specificity. The high-risk group had a significantly lower 30-day survival rate (68.42%) compared with the low-risk group (95.24%) (log-rank χ2=10.067, p=0.002).

Conclusion: The CD14 parameters of mononuclear cell membranes prove to be promising markers for predicting prognosis and death in severe COPD patients with lung infection.

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严重慢性阻塞性肺疾病并发肺部感染患者外周血单核细胞膜中 CD14 表达的预后价值
背景:患有肺部感染的严重慢性阻塞性肺病(COPD)患者发病率和死亡率较高:患有严重慢性阻塞性肺病(COPD)的肺部感染患者面临着更高的发病率和死亡率:目的:研究作为预后标志物的单核细胞膜 CD14:方法:共纳入 311 名参与者:合并感染组 122 人,严重慢性阻塞性肺病组 127 人,对照组 62 人。根据住院预后将合并感染组患者分为生存组(106 人)和死亡组(16 人)。比较各组之间的 CD14%、CD14MFI 和 CD14IND 值。死亡风险因素通过 COPD 分级、FEV1% pred、FEV1/FVC、CD14%、CD14MFI 和 CD14IND 进行评估。分析了 CD14 参数与死亡率、COPD 分级、FEV1%pred 和 FEV1/FVC 之间的相关性。确定了 CD14IND 预测患者死亡的临界值,并比较了高风险组和低风险组的存活率:结果:慢性阻塞性肺病组和合并感染组的 CD14% 值明显低于对照组(p):单核细胞膜的 CD14 参数被证明是预测伴有肺部感染的严重慢性阻塞性肺病患者预后和死亡的有希望的标志物。
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来源期刊
Iranian Journal of Immunology
Iranian Journal of Immunology Medicine-Immunology and Allergy
CiteScore
1.60
自引率
0.00%
发文量
50
审稿时长
12 weeks
期刊介绍: The Iranian Journal of Immunology (I.J.I) is an internationally disseminated peer-reviewed publication and publishes a broad range of experimental and theoretical studies concerned with all aspects of immunology.
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