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KMID : 1103720170760060386
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Journal of the Korean Society of Radiology
2017 Volume.76 No. 6 p.386 ~ p.394
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Effectiveness of Percutaneous Aspiration Thrombectomy for Acute or Subacute Thromboembolism in Infrainguinal Arteries
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Cha Jung-Guen
Kim Chan-Sun
Kim Young-Hwan
Kim See-Hyung
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Abstract
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Purpose: To report the feasibility and long-term clinical outcome of percutaneous aspiration thrombectomy for treating acute or subacute arterial thromboembolism in the infrainguinal arteries.
Materials and Methods: Thirty limbs of 29 patients were enrolled in this retrospective study between January 2004 and March 2014. Nine limbs underwent overnight catheter-directed thrombolysis followed by percutaneous aspiration thrombectomy (PAT). Eighteen limbs underwent PAT with adjunctive selective intra-arterial thrombolysis in a single session. The remaining three limbs underwent PAT alone. Balloon angioplasty (n = 16) or stent placement (n = 3) was performed as required. In-hospital mortality and complications were estimated. The primary patency rate and the rate of freedom from reintervention were calculated using the Kaplan-Meier method.
Results: Technical success was achieved in 28 limbs. Clinical success was achieved in 27 limbs. The mean ankle-brachial index increased from 0.17 ± 0.26 to 0.98 ± 0.19 after the procedure. Three in-hospital deaths and no major amputations were recorded. Distal embolization of crural arteries occurred as a minor complication in five limbs, but no major complications occurred. The primary patency rate and the rate of freedom from reintervention were 74.9% and 90.9% at 1 year, respectively, and 66.6% and 80.8% at 2 years, respectively.
Conclusion: PAT is a rapid and effective method to remove a thrombus from occluded infrainguinal arteries.
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KEYWORD
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Peripheral Arterial Disease, Angiography, Endovascular Procedures, Mechanical Thrombolysis, Thrombolytic Therapy
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