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Predictive Role of CX3CL1 and D-dimer Levels in Mortality Risk Stratification for COPD Patients With COVID-19
Jing Xue1, Meimei Liu2, Xin Liu2
1Department of Internal Medicine, Jingbian County Hospital of Traditional Chinese Medicine, Yulin, CHN.
Insights
Elevated levels of CX3CL1 and D-dimer predict mortality in hospitalized patients with chronic obstructive pulmonary disease (COPD) and COVID-19. Monitoring these inflammatory biomarkers can improve clinical decisions and patient outcomes.
Area of Science:
- Pulmonary Medicine
- Infectious Diseases
- Immunology
Background:
- Chronic obstructive pulmonary disease (COPD) exacerbations increase susceptibility to infections.
- COVID-19 poses a significant threat to patients with underlying respiratory conditions like COPD.
- Identifying predictors of mortality in COPD patients with COVID-19 is crucial for effective management.
Purpose of the Study:
- To investigate the predictive value of CX3CL1 and D-dimer for mortality in hospitalized COPD patients with COVID-19.
- To explore the association between inflammatory biomarkers and disease severity in this patient cohort.
Main Methods:
- Retrospective study at Yulin Hospital, analyzing data from hospitalized COPD patients with COVID-19.
- Collected complete blood counts and inflammatory cytokine levels at admission.
- Assessed the relationship between CX3CL1, D-dimer, and mortality.
Main Results:
- CX3CL1 and D-dimer levels were significantly higher in critical illness participants compared to severe cases.
- CX3CL1 (0.78) and D-dimer (0.68) showed strong predictive indices.
- Elevated CX3CL1 and D-dimer were associated with prolonged illness in COPD patients with COVID-19.
Conclusions:
- CX3CL1 and D-dimer are potential biomarkers for predicting mortality in severe COVID-19 patients with COPD.
- Monitoring these biomarkers can aid in clinical decision-making and risk stratification.
- Improved risk assessment may lead to more targeted and effective treatment strategies.
Objective:
In this retrospective study conducted at Yulin Hospital, the First Affiliated Hospital of Xi'an Jiaotong University (Yulin, SN, CHN), we aimed to investigate the predictive role of CX3CL1 and D-dimer for mortality in hospitalized chronic obstructive pulmonary disease (COPD) patients with COVID-19.
Methods:
Complete blood counts and inflammatory cytokine levels were collected at admission from hospitalized COPD patients with COVID-19 to explore the relationship between inflammatory parameters and mortality of COPD patients with COVID-19.
Results:
Compared to severe COPD with COVID-19 patients, circulating biomarkers of CX3CL1 (453.3 vs. 305.3 pg/mL, p<0.01) and D-dimer (1231.8 ng/mL vs. 680 ng/mL, p<0.01) were significantly elevated in critical illness participants. The C indices of inflammatory biomarkers CX3CL1 and D-dimer were 0.78 and 0.68, respectively. Furthermore, the prolonged illness of COPD patients with COVID-19 was associated with circulating inflammatory biomarkers of CX3CL1 (p=0.021) and D-dimer (p=0.041).
Conclusion:
Circulating inflammatory biomarkers of CX3CL1 and D-dimer have shown the potential to predict mortality among COPD patients with severe COVID-19. Monitoring CX3CL1 and D-dimer levels could enhance clinical decision-making and risk stratification, potentially guiding more effective treatment strategies to improve patient outcomes.
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