Abstract
An: 2019, Nr.1, Articol Nr. 5
Title: 

EXCIMER LASER PERIPHERAL ATHERECTOMY FOR PATIENTS WITH IN-STENT OCCLUSION

Authors: 

      C. Paius - “Grigore T. Popa” University of Medicine and Pharmacy, Iasi, PhD Student; Moinesti Emergency Hospital, Moinesti
      G.I. Anton, E. Tomaziu-Todosia - “Grigore T. Popa” University of Medicine and Pharmacy, Iasi, Student
      A. Tarus - “Grigore T. Popa” University of Medicine and Pharmacy, Iasi, PhD Student; “Prof. Dr. George I.M. Georgescu” Cardiovascular Diseases Institute, Iasi
      A. Karsenti - GHEF Jossigny, France
      Gr. Tinica - “Prof. Dr. George I.M. Georgescu” Cardiovascular Diseases Institute, Iasi; “Grigore T. Popa” University of Medicine and Pharmacy, Iasi, Discipline of Cardiac Surgery
      EXCIMER LASER PERIPHERAL ATHERECTOMY FOR PATIENTS WITH IN-STENT OCCLUSION (Abstract): Intimal hyperplasia is the vascular response to injury by chronic intimal proliferation and it represents one of the main reasons for late bypass graft failure and in-stent occlusion. Laser technology could offer vascular surgeons the means to threat such lesions, thus postponing or avoiding peripheral bypass surgery. The authors analyzed a group of 11 patients aged 49-90 years old with peripheral arterial disease and a history of endovascular/surgical management (bypass) for lesions involving the superficial femoral artery, patients who were subsequently treated using the CVX 300 Excimer Laser along with the size 7F OTW laser catheter for in-stent/prosthesis occlusion with good distal run-off. The results were favorable, with a 100% success rate and a 6 month follow-up patency of 90.9%. The usage of balloon angioplasty after Excimer Laser Atherectomy (ELA), smoothens the arterial lumen, for a more laminar blood flow which in time delays the process of intimal hyperplasia. In conclusion, ELA can effectively ablate the occluding, in-stent, neointimal hyperplasic tissue, offering an alternative to the conventional lower extremity bypass with a good efficiency even over long arterial segments of occlusion.
Key words: EXCIMER LASER ATHERECTOMY, PERIPHERAL ARTERY DISEASE, OCCLUSION, ENDOVASCULAR, BYPASS SURGERY
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