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Iliac artery stenoses after percutaneous transluminal angioplasty: follow-up with duplex ultrasonography. 1996

A M Spijkerboer, and P C Nass, and J C de Valois, and B C Eikelboom, and T T Overtoom, and F J Beek, and F L Moll, and W P Mali
Department of Radiology, University Hospital, Utrecht, The Netherlands.

OBJECTIVE To assess iliac artery stenosis before and up to 1 year after percutaneous transluminal angioplasty (PTA) with duplex ultrasound (DUS) to determine the incidence of residual and recurrent stenoses and correlate these findings to clinical outcome. METHODS Sixty-one patients with 70 iliac artery segments treated with PTA were examined. The peak systolic velocity (PSV) ratio (PSV ratio = PSV in stenosis divided by PSV proximal or distal to stenosis) was determined by DUS before PTA and 1 day, 3 months and 1 year after PTA. Three categories of results were identified by using PSV ratios at the site of the treated stenosis 1 day and 1 year after PTA (good result, residual stenosis, and recurrent stenosis). The DUS-determined anatomic result was correlated with the clinical outcome at 1 year. Clinical outcome was classified according to Society for Vascular Surgery/International Society for Cardiovascular Surgery (SVS/ISCVS) criteria. RESULTS Good results with DUS (PSV ratio 1 day and 1 year after PTA > or = to 2.5) were found in 45 of 70 segments (64.3%), residual stenoses (PSV ratio > or .5 1 day after PTA) in 15 of 70 segments (21.4%), and recurrent stenosis (PSV ratio 1 day after PTA < 2.5 and 1 year after PTA > or = 2.5) in 10 of 70 segments (14.3%). PSV ratios of residual stenoses decreased significantly between 1 day and 1 year after PTA because some residual stenoses improved hemodynamically in time. Clinical results were significantly better in patients with a good result compared with other patients. However, the clinical outcome of patients with residual stenoses was not significantly different from the patients with good DUS results. CONCLUSIONS Some residual stenoses improved sonographically after PTA. Clinical results at 1 year are highly variable within different groups. Clinical outcome of patients with residual stenoses did not differ from patients with good DUS results, whereas clinical outcome in patients with recurrent stenoses was worse than in the other groups.

UI MeSH Term Description Entries
D007083 Iliac Artery Either of two large arteries originating from the abdominal aorta; they supply blood to the pelvis, abdominal wall and legs. Deep Circumflex Iliac Artery,Arteries, Iliac,Artery, Iliac,Iliac Arteries
D007383 Intermittent Claudication A symptom complex characterized by pain and weakness in SKELETAL MUSCLE group associated with exercise, such as leg pain and weakness brought on by walking. Such muscle limpness disappears after a brief rest and is often relates to arterial STENOSIS; muscle ISCHEMIA; and accumulation of LACTATE. Claudication, Intermittent
D007511 Ischemia A hypoperfusion of the BLOOD through an organ or tissue caused by a PATHOLOGIC CONSTRICTION or obstruction of its BLOOD VESSELS, or an absence of BLOOD CIRCULATION. Ischemias
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D012008 Recurrence The return of a sign, symptom, or disease after a remission. Recrudescence,Relapse,Recrudescences,Recurrences,Relapses
D001783 Blood Flow Velocity A value equal to the total volume flow divided by the cross-sectional area of the vascular bed. Blood Flow Velocities,Flow Velocities, Blood,Flow Velocity, Blood,Velocities, Blood Flow,Velocity, Blood Flow
D003251 Constriction, Pathologic The condition of an anatomical structure's being constricted beyond normal dimensions. Stenosis,Stricture,Constriction, Pathological,Pathologic Constriction,Constrictions, Pathologic,Pathologic Constrictions,Pathological Constriction,Stenoses,Strictures
D005260 Female Females
D005500 Follow-Up Studies Studies in which individuals or populations are followed to assess the outcome of exposures, procedures, or effects of a characteristic, e.g., occurrence of disease. Followup Studies,Follow Up Studies,Follow-Up Study,Followup Study,Studies, Follow-Up,Studies, Followup,Study, Follow-Up,Study, Followup

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