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KMID : 1103720110650030217
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Journal of the Korean Society of Radiology
2011 Volume.65 No. 3 p.217 ~ p.228
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Infrapopliteal Percutaneous Transluminal Balloon Angioplasty: Clinical Results and Influence Factors
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Song Jang-Hyeon
Lee Seung -Jin
Jung Hye-Doo
Lim Jae- Hoon
Jang Nam-Kyu
Lee Keun-Bae
Yim Nam-Yeol
Kim Jae-Kyu
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Abstract
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Purpose: To assess the efficacy of percutaneous transluminal angioplasty (PTA) in patients with infrapopliteal arterial disease, and to determine the influencing factor for prognosis.
Materials and Methods: A total of 55 patients (60 limbs) with infrapopliteal arterial stenosis or occlusion underwent PTA. Atherosclerotic risk factors, clinical symptoms, TransAtlantic Inter-Society Consensus (TASC) classification, and vascular wall calcification were evaluated before PTA. The number of patent infrapopliteal arteries was estimated, and the outcome was evaluated by symptom relief and limb salvage.
Results: Technical success was achieved in 53/60 limbs (88.3%) and 81/93 arteries (87.1%), TASC classification (p = 0.038) and vascular calcification (p = 0.002) influenced on technical failure. During follow-up, 26 of 55 limbs (47%) achieved symptom relief and 42/55 limbs (76%) underwent limb salvage. Non-diabetic patients (9/12, 75%) were superior to diabetic patients (17/43, 40%) in terms of symptom relief (p = 0.024). TASC classification and vascular wall calcification influenced on symptom relief and limb salvage. The number of patent infrapopliteal arteries after PTA influenced symptom relief (p < 0.001) and limb amputation (p = 0.003).
Conclusion: PTA in patients with chronic critical limb ischemia is worthwhile as a primary treatment. The influence factors should be considered before PTA, and PTA should be performed in as many involved arteries as possible.
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KEYWORD
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Percutaneous Transluminal Angioplasty, Atherosclerosis , Peripheral Arterial Disease , Diabetic Foot , Lower Extremity
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