[US Doppler guide wire. Initial experiences in angioplasty of peripheral blood vessels].
Forty-two patients underwent endoluminal Doppler examination of blood flow velocity proximally, at the stenosis and distal to it by means of a 0.018 in. Doppler guide wire. The method was found to be an accurate tool for documentation of a wide spectrum of stenoses of different morphology. The changes induced by percutaneous transluminal angioplasty (PTA)-hemodynamic changes as well as vascular wall lesions-could be documented precisely. Remaining stenoses after PTA were precisely verified as compared to angiography. In multiple stenoses or in stenoses with pure run-off, the hemodynamic significance of the lesion was evaluated. Intravascular Doppler flow measurement is valuable in angiographically imprecise cases. The method fits well into the angiographic routine examination.
Cramer
B M
BM
Radiologische Klinik, Kliniken der Stadt Wuppertal.
Mackowski
J
J
Jahnke
T
T
D000800:Angioplasty, Balloon / Q000295:instrumentation*; D001157:Arterial Occlusive Diseases / Q000000981:diagnostic imaging / Q000628:therapy*; D001783:Blood Flow Velocity / Q000502:physiology; D004867:Equipment Design; D006801:Humans; D007511:Ischemia / Q000000981:diagnostic imaging / Q000628:therapy; D011673:Pulsatile Flow / Q000502:physiology; D018608:Ultrasonography, Doppler / Q000295:instrumentation*; D018084:Ultrasonography, Interventional / Q000295:instrumentation*
US-Doppler-Führungsdraht. Erste Erfahrungen bei der Angioplastie peripherer Gefässe.