International angiology : a journal of the International Union of Angiology · 1999
Comparative of blood flow to the ankle-brachial index after iliac angioplasty.
Сравнительное исследованиеСтатьяНазвание и аннотация: Перевод в очереди
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Allouche-Cometto L, Leger P, Rousseau H, Lefebvre D, Bendayan P, Elefterion P, Boccalon H
Аннотация
BACKGROUND: Interest of blood flow and ankle brachial pressure index (ABPI) to evaluate result of iliac angioplasty.
METHODS: ABPI and blood flow rates were measured before and after angioplasty in 22 lower extremities of 16 patients with iliac stenosis. Blood flow rates were determined by means of a nuclear magnetic resonance (NMR) flow meter.
RESULTS: The day after angioplasty, flow and pressure were increasing significantly, whereas a month later, only blood flow was increasing significantly. In a group of patients with near-normal ABPI before angioplasty (ABPI > or = 0.8), there was, on the day following the angioplasty, a significant increase in ABPI and pulsatile blood flow rates; flow rates increased considerably a month after the operation whereas ABPI stay stable. In a group of patients with clearly abnormal ABPI before angioplasty (ABPI <0.80), there was a significant increase in ABPI and blood flow rates the day after angioplasty and again a month later.
CONCLUSIONS: Flow therefore seems to vary independently of pressure. The possible use of flow measurement to detect restenoses is yet to be studied.
METHODS: ABPI and blood flow rates were measured before and after angioplasty in 22 lower extremities of 16 patients with iliac stenosis. Blood flow rates were determined by means of a nuclear magnetic resonance (NMR) flow meter.
RESULTS: The day after angioplasty, flow and pressure were increasing significantly, whereas a month later, only blood flow was increasing significantly. In a group of patients with near-normal ABPI before angioplasty (ABPI > or = 0.8), there was, on the day following the angioplasty, a significant increase in ABPI and pulsatile blood flow rates; flow rates increased considerably a month after the operation whereas ABPI stay stable. In a group of patients with clearly abnormal ABPI before angioplasty (ABPI <0.80), there was a significant increase in ABPI and blood flow rates the day after angioplasty and again a month later.
CONCLUSIONS: Flow therefore seems to vary independently of pressure. The possible use of flow measurement to detect restenoses is yet to be studied.