Jetstream Calcium Study1​

Objective

To better understand the mechanism of lumen gain in calcified lesions when using the Jetstream Atherectomy System.

Lesion Characteristics

Lesion location

Superficial femoral artery​ 76%​
Popliteal artery​ 33%​
Common femoral artery​  5%​
Superficial and popliteal artery​ 10%​
Common and superficial femoral artery​  5%​
De novo lesion​ 90.5%​

Operator visual assessment Calcium grading​

Moderate​

33.3%​

Severe​

66.7%​

Lesion length (mm)​

55 [20, 120]​

Lesion diameter (mm)​

5.0 [4.3, 6.0]​

Diameter stenosis​

Pre-treatment (%)​

82 [80, 90]​

Post-atherectomy(%)​

40 [30, 40]​

Diameter stenosis

Pre-treatment (%)​ 82 [80, 90]​
Post-atherectomy(%)​ 40 [30, 40]