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Cardiac injury is associated with inflammation in geriatric COVID-19 patients
Xu Yan1,2,3, Shuang Wang1,2,3, Piyong Ma4
1Cardiology Department, China-Japan Union Hospital of Jilin University, Changchun, China.
Insights
Elderly patients with COVID-19 are susceptible to cardiac injury. Age and inflammation markers like procalcitonin and interleukin-6 significantly predict cardiac injury in this population.
Area of Science:
- Cardiology
- Geriatrics
- Infectious Diseases
- Immunology
Background:
- Geriatric patients with COVID-19 face a high risk of cardiac injury.
- Identifying factors influencing cardiac injury is crucial for heart protection in elderly patients.
Purpose of the Study:
- To identify clinical and laboratory factors associated with cardiac injury in geriatric COVID-19 patients.
- To determine the influence of these factors on cardiac injury through logistic regression.
Main Methods:
- Analysis of clinical characteristics and laboratory results from 180 COVID-19 inpatients aged over 60.
- Statistical analysis of correlations between cardiac injury and variables.
- Multivariate logistic regression to assess predictive ability of variables.
Main Results:
- Age significantly correlated with cardiac injury (p < 0.001).
- Elevated inflammatory markers (procalcitonin, IL-2 receptor, IL-6, IL-10, TNF-α, hs-CRP), D-dimer, white blood cells, neutrophils, and decreased lymphocytes and NK cells were associated with cardiac injury.
- These factors demonstrated predictive ability in logistic regression.
Conclusions:
- Age and inflammatory factors significantly influence cardiac injury in elderly COVID-19 patients.
- Targeting inflammation may offer cardiac protection in this vulnerable group.
Background:
Geriatric patients with coronavirus disease (COVID-19) are at high risk of developing cardiac injury. Identifying the factors that affect high-sensitivity cardiac troponin I may indicate the cause of cardiac injury in elderly patients, and this could hopefully assist in protecting heart function in this patient population.
Methods:
One hundred and eighty inpatients who were admitted for COVID-19 were screened. Patients older than 60 years were included in this study, and the clinical characteristics and laboratory results of the cohort were analyzed. The correlation between cardiac injury and clinical/laboratory variables was statistically analyzed, and further logistic regression was performed to determine how these variables influence cardiac injury in geriatric patients.
Results:
Age (p < 0.001) significantly correlated with cardiac injury, whereas sex (p = 0.372) and coexisting diseases did not. Rising procalcitonin (p = 0.001), interleukin-2 receptor (p < 0.001), interleukin 6 (p = 0.001), interleukin 10 (p < 0.001), tumor necrosis factor α (p = 0.001), high-sensitivity C-reactive protein (p = 0.001), D-dimer (p < 0.001), white blood cells (p < 0.001), neutrophils (p = 0.001), declining lymphocytes (p < 0.001), and natural killer cells (p = 0.005) were associated with cardiac injury and showed predictive ability in the multivariate logistic regression.
Conclusion:
Our results suggest that age and inflammatory factors influence cardiac injury in elderly patients. Interfering with inflammation in this patient population may potentially confer cardiac protection.
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