Abstract
Background
The effect of cholesterol on the functional outcome after endovascular thrombectomy (EVT) is still controversial. This study aimed to investigate whether the lipid profile is associated with the EVT prognosis.
Methods
We retrospectively analyzed patients with emergent large vessel occlusion who underwent EVT. The blood lipid levels were measured in the fasting state, 1 day after admission. We divided patients into terciles of serum total cholesterol (TC) levels and compared the clinical characteristics among the groups. The factors associated with a good outcome at 3 months (modified Rankin scale 0–2) were investigated, considering the stroke mechanism and recanalization status.
Results
Among 274 patients, good outcomes were observed in 108 (39.4%) patients. Low initial severity (odds ratio (OR), 0.91, 95% confidence interval (CI), 0.858–0.954; p < 0.001) and high TC level (1.35, 1.034–1.758; p = 0.041) were associated with good outcomes. In patients with cardioembolism, young age (0.95, 0.915–0.991; p = 0.021), low initial severity (0.92, 0.857–0.988; p = 0.024), and high TC level (1.60, 1.019–2.499; p = 0.036) were associated with good outcomes. The lipid profile was not associated with a functional outcome in those with large artery atherosclerosis. In patients with complete recanalization, young age (0.97, 0.941–0.994; p = 0.016), low initial severity (0.91, 0.864–0.961; p = 0.001), absence of diabetes (0.45, 0.218–0.947; p = 0.035) or any hemorrhage (0.33, 0.142–0.760; p = 0.009), and high TC level (1.40, 1.031–1.879; p = 0.031) were associated with good outcomes.
Conclusions
A high TC level was associated with favorable outcomes after EVT, especially in patients with cardioembolism and complete recanalization.
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This study protocol was reviewed and approved by the Institutional Review Board of Asan medical center, approval number 2021–1781.
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Written informed consent was not required because of the retrospective design by the ethic committee of Asan Medical Center.
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This research was supported by the Brain Convergence Research Program of the National Research Foundation (NRF) funded by the Korean government (MSIT) (No. 2020M3E5D2A01084576) and the National Research Foundation of Korea (NRF) grant funded by the Korean government (MSIT) (No. 2020R1A2C2100077).
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Ha, S.H., Ryu, JC., Bae, JH. et al. High serum total cholesterol associated with good outcome in endovascular thrombectomy for acute large artery occlusion. Neurol Sci 43, 5985–5991 (2022). https://doi.org/10.1007/s10072-022-06269-4
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DOI: https://doi.org/10.1007/s10072-022-06269-4