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. 2014 Dec 21;8(Suppl 2):15-21.
doi: 10.4137/CMC.S15232. eCollection 2014.

Endovascular treatment of aneurysms of the popliteal artery by a covered endoprosthesis

Christian Wissgott  1 , Christopher W Lüdtke  1 , Hendryk Vieweg  2 , Fabian Scheer  1 , Michael Lichtenberg  3 , Erik Schlöricke  4 , Reimer Andresen  1
Affiliations

Endovascular treatment of aneurysms of the popliteal artery by a covered endoprosthesis

Christian Wissgott et al. Clin Med Insights Cardiol. .

Abstract

Purpose: The current gold standard of popliteal artery aneurysm (PAA) treatment is saphenous vein bypass grafting. The aim of this retrospective single-center study is to investigate the safety and efficacy in the treatment of PAA by an endovascular implanted covered endoprosthesis.

Materials and methods: Ten patients, mean age 64.6 (range, 52-78) years, with PAA were treated with an expanded Polytetrafluoroethylen (ePTFE)-covered stent graft (Viabahn(®), W.L. Gore and Associates Inc, Flagstaff, AZ, USA). In median, 1.4 prostheses were implanted with a median length of 180 mm. Follow-up visits included determination of ankle-brachial index (ABI) and color-coded duplex sonography.

Results: The technical success rate was 100% (10/10). Clinically, there was an increase in ABI from 0.62 ± 0.17 to 0.91 ± 0.15 postinterventionally and to 0.89 ± 0.16 after an average follow-up of 24.7 months. During the follow-up period, 2 (20%) stent occlusions occurred; both of them were treated with a bypass graft.

Conclusion: The treatment of PAA with covered endoprosthesis is a safe and effective alternative to open surgical therapy, where open surgical therapy is contraindicated or patient refused open surgery.

Keywords: aneurysm; endoprosthesis; popliteal artery.

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Figures

Figure 1
Figure 1
(A) 3D reformation of the computed tomography scan of a 74-year-old male patient with symptomatic PAA on the right side. (B) Axial scan of the PAA right sided with a diameter of 26 mm. (C) Angiography of right-sided PAA. (D) Control angiography after implantation of the first endoprosthesis (6 mm/150 mm Viabahn®). (E) Control angiography after implantation of the second endoprosthesis (6 mm/150 mm Viabahn®) with successfully excluded aneurysm.
Figure 1
Figure 1
(A) 3D reformation of the computed tomography scan of a 74-year-old male patient with symptomatic PAA on the right side. (B) Axial scan of the PAA right sided with a diameter of 26 mm. (C) Angiography of right-sided PAA. (D) Control angiography after implantation of the first endoprosthesis (6 mm/150 mm Viabahn®). (E) Control angiography after implantation of the second endoprosthesis (6 mm/150 mm Viabahn®) with successfully excluded aneurysm.
Figure 2
Figure 2
(A) Angiography of right-sided PAA of a 66-year-old female patient with a diameter of 27 mm and a relevant stenosis. (B) Control fluoroscopy after implantation of an endoprosthesis (7 mm/150 mm Viabahn®). (C) Final result after POBA without any residual stenoses. (D) Flexion (bent knee) arteriography after implantation to verify adequate device placement.
Figure 2
Figure 2
(A) Angiography of right-sided PAA of a 66-year-old female patient with a diameter of 27 mm and a relevant stenosis. (B) Control fluoroscopy after implantation of an endoprosthesis (7 mm/150 mm Viabahn®). (C) Final result after POBA without any residual stenoses. (D) Flexion (bent knee) arteriography after implantation to verify adequate device placement.
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