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- W3128326522 abstract "Abstract Background- In-stent restenosis (ISR) is a critical issue of endovascular therapy. The predictors for ISR are not fully explored. We aimed to investigate the predictors for ISR, especially the effect of collateral circulation on ISR after cerebral large artery stenting. Methods- From June, 2015 to June, 2018, a total of 312 patients, who performed stenting, with severe cerebral anterior circulation stenosis (≥ 70%), were enrolled. According to the flow velocity indicated by carotid artery ultrasound or Transcranial Doppler, the patients were divided into the ISR and no-ISR groups. Clinical data were collected, including age, sex, cerebrovascular risk factors, preoperative serum lipid, inflammatory markers, and platelet count, stent site, residual stenosis rate, drug therapy after stenting. The collateral circulation was graded according to digital subtraction angiography (DSA). Univariable and multivariable logistic regression analyses were performed to assess the potential risk factors related to restenosis in such patients. Results- Higher residual stenosis rate (median 11% vs 10%, p = 0.040), fewer patients received standard drug therapy ( 73.3% vs 89.4%, p = 0.001), more patients with poor collateral circulation (70.0% vs 41.0%, p = 0.007) were found in ISR group. Residual stenosis rate increased by 10% was associated with a 19.1% increase in restenosis risk. Good collateral circulation (OR 0.16, [95%CI, 0.04–0.49]; p = 0.002) and receiving standard drug therapy (OR 0.14, [95%CI, 0.05–0.58]; p = 0.002) were significantly related to the lower risk of ISR. Conclusion- Collateral circulation is an independent factor related with ISR after successful cerebral anterior circulation large artery stenting, and long-term standard drug therapy after stenting should be strictly carried out in such patients." @default.
- W3128326522 created "2021-02-15" @default.
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- W3128326522 date "2021-02-09" @default.
- W3128326522 modified "2023-10-16" @default.
- W3128326522 title "Collateral circulation is a predictor for in-stent restenosis after cerebral anterior circulation large artery stenting" @default.
- W3128326522 doi "https://doi.org/10.21203/rs.3.rs-177380/v1" @default.
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