Percutaneous transluminal angioplasty of nonatherosclerotic lesions

AJR. American Journal of Roentgenology
S SaddekniT A Sos

Abstract

Percutaneous transluminal angioplasty (PTA) was attempted on 16 nonatherosclerotic lesions in 14 patients. Dilatation was initially successful in 4/4 cases with renal artery stenosis due to fibromuscular dysplasia (three) and Takayasu arteritis (one); all patients became normotensive and remain normotensive on no antihypertensive medications, at up to 12 months follow-up. PTA was technically successful in 4/5 transplant renal artery stenosis; these four patients remain normotensive or almost normotensive on no or markedly reduced antihypertensive medications, at up to 14 months followup. Initial success was obtained in 3/3 lesions involving vascular grafts; in one, the patient became and remained asymptomatic for the remaining 5 months he lived; in another, occlusion of the dilated segment and the graft occurred 8 months after PTA; and in the third, symptoms and signs of the limb ischemia returned within 24 hr of PTA. PTA was initially successful in a patient with recurrent celiac artery stenosis after surgery for median arcuate ligament syndrome; she has remained free of symptoms for 18 months. In a patient with three radiation-induced stenoses, PTA was initially successful; this patient is asymptomatic at 20 months follow-up....Continue Reading

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