[A new instrument for transfemoral catheterization of stenotic aortic valves (author's transl)].

: Transvalvular passage was successful in 124 out of 144 patients (86.1%). The percentage of success varied according to the lesions: 82% in pure secondary stenosis, 95.7% in predominantly stenotic aortic valve disease, 87.5% in stenosis with other valve lesions, and 100% in congenital stenosis.