Comparison of the Effectiveness of Three Methods of Recanalization in a Model of the Middle Cerebral Artery: Thrombus Aspiration via a 4F Catheter, Thrombus Aspiration via the GP Thromboaspiration Device, and Mechanical Thrombectomy Using the Solitaire Thrombectomy Device

Table 1

Summary of results for each device.

Device	4F catheter	GPTAD	Solitaire	𝑃-value
Number of experiments (𝑛)	26	30	26	—
Recanalization (𝑛, (%))	16 (62%)	23 (77%)	22 (85%)	Ns*
Fragmentation (𝑛, (%))	14 (53%)	7 (23%)	6 (23%)	<.05*
Number of attempts at retrieval (mean, (SD))	1.9 (1.0)	2.3 (1.4)	1.3 (0.5)	Ns**
Time to successful recanalization (mean, SD) (s)	41 SD 42 (𝑛=16)	61 SD 21 (𝑛=23)	197 SD 64 (𝑛=22)	<.05**

*Chi-squared test (2×3 table), **Kruksal-Wallis test, 𝑛: number, SD: standard deviation.