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The Journal of Cardiovascular Surgery 2002 February;43(1):51-4


lingua: Inglese

New perspectives for the treatment of thoracic aortic aneurysm with self-expanding endoprostheses. Preliminary experience

Saccani S., Ugolotti U. *, Larini P. **, Marcato C. **, Squarcia G. **, Gherli T.

From the Cardiovascular Department University of Parma, Parma, Italy *Interventional Radiology Service Hospital of Piacenza, Piacenza, Italy **Institute of Radiology University of Parma, Parma, Italy


We present our preliminary experience with the application of covered aortic stents to treat aneurysms and dissections of the thoracic artery, a technique that was developed in 1996. Seven selected patients were treated with World Medical Talent “bare spring” tip endoprostheses and followed up for a total of 67 months. All prostheses were implanted at the Parma General Hospital Cardiovascular Department. Seven patients, average age 57.8 years, range 44-73 years, were treated; a total of 11 prosthetic segments were implanted. Aortic pathologies included: 2 isthmic atherosclerotic aneurysms, 2 chronic dissections, 1 acute dissection, 1 thoracic aneurysm associated with an aneurysm of the abdominal aorta below the renal arteries. Dilation diameters ranged from 6-9 cm, lengths from 4-12 cm. All patients underwent computerized tomography and angiography before stent implantation. The procedure was carried out in an operating room with the patient under general anesthesia and in controlled hypotension. In 2 cases the common iliac artery, prepared for the extraperitoneal route by application of a No. 10 Dacron introducer sheath, was used as the insertion site; in 4 cases the common femoral artery was used, in the case of the double aneurysm the traditional surgical route was used to correct the abdominal aneurysm, and the thoracic aneurysm was repaired through the abdominal prosthesis. All patients were released in good condition; thrombosis of the aneurysm surrounding the graft was immediate in all cases except one which required the application of a second segment shortly after the initial procedure. There were no major complications; one case of iatrogenic dissection of the femoral artery used as the access site required a prosthetic bypass. No implant-related complications were observed during follow-up. Our initial experience has been favorable and demonstrates that stents can be utilized for aortic pathologies of varying etiologies; we had no mortality or major complications, and hospital stays were short. Long term results must be confirmed before the therapeutic potential of this technique can be fully evaluated.

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