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Arterial Mapping with Color Flow Duplex Imaging of the Lower Extremities After Excimer-Laser-Assisted Angioplasty

Department of Internal Medicine, University of Padua

Luigi Miserocchi

Department of Radiology, Castelfranco Veneto (TV), Italy

Luigi Lusiani

Department of Internal Medicine, University of Padua

Andrea Bonanome

Department of Internal Medicine, University of Padua

Valeria Mayellaro

Department of Internal Medicine, University of Padua

Raffaele Pesavento

Department of Internal Medicine, University of Padua

Guido Liessi

Department of Radiology, Castelfranco Veneto (TV), Italy

Antonio Pagnan

Department of Internal Medicine, University of Padua

The purpose of the present study was to evaluate the role of color flow du plex imaging (CFDI) in the follow-up of patients who have undergone excimer- laser-assisted angioplasty of peripheral arteries.

Sixty-one patients (40 men and 21 women) were studied (mean age ± SD sixty-three ± nine years). All patients were affected by peripheral vascular dis ease and, for this reason, underwent percutaneous excimer-laser-assisted angio plasty. Digital angiography and CFDI were performed before the laser procedure. CFDI was repeated at months 1, 3, 6, 9, and 12 after the laser procedure, whereas angiography was repeated after twelve months. Common, superficial, and profunda femoral arteries and popliteal arteries were visualized in looking for the presence of lesions and occlusions, and spectral analysis of Doppler signals was recorded.

After the initial success, claudication was reported again by 9 patients, 7 of whom showed total occlusions. All reocclusions were discovered by CFDI and confirmed by angiography; 3 of these 7 patients underwent a second laser pro cedure. The remaining 2 symptomatic patients showed patent vessels and did not undergo angiography. Another 9 patients redeveloped an occlusion, unsus pected from clinical history and symptoms. All the reocclusions, confirmed by angiography, were diagnosed by CFDI.

The data show that CFDI provides an accurate noninvasive technique for following up patients after excimer laser angioplasty, allowing for asymptomatic reocclusions to be recognized and treated if necessary, and permitting symptoms not due to reocclusions to be properly identified, thus avoiding unnecessary angiography.

Angiology, Vol. 44, No. 9, 687-693 (1993)
DOI: 10.1177/000331979304400903


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