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Chinese Journal of Cerebrovascular Diseases(Electronic Edition) ›› 2023, Vol. 17 ›› Issue (05): 458-463. doi: 10.11817/j.issn.1673-9248.2023.05.006

• Clinical Research • Previous Articles     Next Articles

Correlation between lipoprotein (a) and arteriosclerotic cerebral small vessel disease in elderly population without diabetes, hyperlipidemia and hypertension

Meijuan Yan(), Lihui Shao   

  1. Department of Neurology, Xuzhou Municipal Hospital Affiliated to Xuzhou Medical University, Xuzhou 221000, China
    Department of Rehabilitation, Xinyi Traditional Chinese Medicine Hospital, Xinyi 221400, China
  • Received:2022-12-17 Online:2023-10-01 Published:2023-11-21
  • Contact: Meijuan Yan

Abstract:

Objective

To investigate the correlation between lipoprotein (a) and arteriosclerotic cerebral small vessel disease (aCSVD) in the elderly population without hypertension,hyperlipidemia, or diabetes (abbreviated "no three high").

Methods

2000 patients with aCSVD admitted to Department of Neurology of Xuzhou Municipal Hospital Affiliated to Xuzhou Medical University from January 2016 to July 2021 were retrospectively included. Select 4000 cases of the medical check-up who were excluded from aCSVD at the physical examination center during the same period as the control group. The patients were matched by age,sex with a 1∶2 ratio (aCSVD=2000, non aCSVD=4000), and were divided into "no three high" subgroup (aCSVD=198, non aCSVD=396) according to whether they were "no three high" elderly population. The relevant clinical data of the case group and the control group was collected for comparative analysis, and multivariate Logistic regression model was used to analyze the risk factors of aCSVD in the general elderly population and the elderly population without diabetes, hyperlipidemia, and hypertension.

Results

This study showed that after matching the age and gender, the elderly aCSVD group had a higher proportion of hypertension (56.50% vs 55.16%, χ2=1.548, P=0.006), diabetes (42.50% vs 30.00%, χ2=6.796, P=0.009), and hyperlipidemia (33.50% vs 31.50%, χ2=7.614, P=0.006) than the control group, and the differences were statistically significant. The level of lipoprotein (a) in aCSVD group was higher than that in the control group, but there was no statistical difference [(0.32±0.11) g/L vs (0.31±0.12) g/L, t=1.876, P=0.061]. Logistic regression analysis showed that the history of hypertension and diabetes may be an independent risk factor for aCSVD in the elderly, but lipoprotein (a) was not an independent risk factor for aCSVD. In the subgroup analysis, the level of lipoprotein (a) in the "no three high" elderly population with aCSVD was significantly higher than that in the control group, with a statistically significant difference [(0.56±0.17) g/L vs (0.49±0.14) g/L, t=5.339, P<0.001]. Logistic regression analysis showed that lipoprotein (a) was an independent risk factor for aCSVD in the "no three high" elderly population (OR=1.672, 95%CI: 1.144-2.317, P=0.007).

Conclusion

Lipoprotein (a) is an independent risk factor of aCSVD in the elderly population without diabetes, hyperlipidemia and hypertension, and it can be used as a serum biomarker to predict the risk of aCSVD.

Key words: Cerebral small vessel disease, Lipoprotein (a), “No three high” population, Elderly population

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