Purpose: The purpose of this study was to determine the effectiveness of percutaneous transluminal angioplasty (PTA) for treatment of patients with localized stenosis of the infrageniculate popliteal artery and tibio-peroneal trunk (IGPA).
Methods: The records of 25 patients undergoing IGPA PTA from 1983 to 1993 were reviewed. Patients underwent follow-up with clinical examinations, ankle-brachial indexes, Duplex scanning, and arteriography. Demographic variables and cardiovascular risk factors were analyzed and correlated with outcome.
Results: Mean follow-up was 44 months. With life-table analysis, clinical and hemodynamic success was 59%, 32%, and 20% at 1, 2, and 3 years, respectively. Average time to recurrence was 17 months. Sixteen patients required a subsequent procedure; two had only repeat PTA, six had repeat PTA followed by arterial bypass, and eight had bypass alone. The mean additional benefit of repeat PTA was 8 months. Eleven of the 14 patients treated with bypass became symptom-free with patent grafts at a mean follow-up of 52 months. No risk factor was statistically significant in predicting success of IGPA PTA.
Conclusions: IGPA PTA is an expensive temporizing measure with a high rate of recurrence requiring subsequent intervention. The procedure should be restricted to patients with limited life expectancy or contraindications to operation.
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