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Chinese Journal of Cerebrovascular Diseases(Electronic Edition) ›› 2023, Vol. 17 ›› Issue (01): 37-40. doi: 10.11817/j.issn.1673-9248.2023.01.007

• Clinical Research • Previous Articles     Next Articles

Safety and efficacy of different types of Sofia Catheters for a direct aspiration first pass technique

Wei Li1, Quanmin Nie1, Hui Guo1, Zengwu Wang1, Renxing Song1,()   

  1. 1. Department of Neurosurgery, Weifang People′s Hospital, Weifang 261500, China
  • Received:2022-07-20 Online:2023-02-01 Published:2023-03-31
  • Contact: Renxing Song

Abstract:

Objective

To compare the safety and clinical efficacy of different types of Sofia catheters in treating acute ischemic stroke.

Methods

The clinical data of 76 patients with acute ischemic stroke treated with a direct aspiration first pass technique in Weifang People′s Hospital form August 2019 to June 2021 were included. The patients with basilar artery occlusions (36 cases) and the patients with M1 segment of middle cerebral artery occlusions or internal carotid occlusions (40 cases) were divided into two groups: the group of 5F Sofia catheter and the group of 6F Sofia catheter. The levels of recanalization, thrombosis escape rate, National Institute of Health stroke scale (NIHSS) score change, clinical prognosis, bleeding rate, and mortality were compared between the two groups. The relevant data of different models were tested by t-test and Fisher′s exact probability method.

Results

The thrombosis escape rate of 5F Sofia catheter was 20.00% (3/15), while that of 6F Sofia catheter was 4.00% (1/25), showing significant difference (P=0.045). There was no significant difference in the levels of recanalization, bleeding rate, NIHSS score difference, or clinical prognosis between the patients with M1 segment of middle cerebral artery occlusion or internal carotid occlusion (P>0.05). The success rate of recanalization of 5F Sofia catheter was 86.36% (19/22), while that of 6F Sofia catheter was 50.00% (7/14), showing significant difference (P=0.026). Because of the 6F Sofia catheter reopening failure, the good prognosis was significantly lower than the 5F Sofia catheter [35.71% (5/14) vs 72.73% (16/22), P=0.041]. There was no significant difference in the levels of bleeding rate, thrombosis escape rate and mortality rate between the patients with basilar artery occlusion (P>0.05).

Conclusion

It is suggested that M1 segment of middle cerebral artery occlusion or internal carotid artery occlusion should be treated with 6F Sofia catheter and basilar artery thrombosis with 5F Sofia catheter. A suitable catheter can improve the prognosis.

Key words: A direct aspiration fist pass technique, Recanalization, Sofia catheter

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