Table 2:

Comparison of arterial damage in the device and control samplesa

Solitaire 4 Samples (n = 4)Solitaire 6 Samples (n = 4)Catch Samples (n = 4)Merci Retriever Samples (n = 4)Penumbra Samples (n = 4)All Device Samples (n = 20)Control Samples (n = 20)P Valueb
Mural thrombus (%)14.1 ± 28.109.4 ± 15.63.1 ± 6.205.3 ± 14.20.05
Endothelial denudation (%)85.8 ± 22.976.2 ± 12.876.1 ± 21.285.9 ± 12.140.1 ± 47.672.8 ± 29.40.9 ± 1.9.0001
Intimal layer edema (%)43.8 ± 51.581.3 ± 65.743.8 ± 37.566.5 ± 47.1100 ± 89.167 ± 56.244.6 ± 43.6.25
IEL fractured (%)12.5 ± 14.425 ± 35.418.8 ± 23.950 ± 10012.5 ± 14.423.7 ± 46.220.6 ± 33.3.78
Medial layer edema (%)25 ± 037.5 ± 43.381.3 ± 23.941.5 ± 35.275 ± 35.452 ± 35.918.1 ± 27.8.004
EEL fractured (%)0000000Not applicable
Adventitia edema (%)0000000Not applicable
  • a Data are means +/− standard deviations.

  • b Mann-Whitney test comparing all device samples combined with control samples.