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  • Title: [Surgery of the suprarenal subdiaphragmatic aorta: early and long-term results].
    Author: Carrel T, Niederhäuser U, Laske A, von Segesser LK, Turina M.
    Journal: Helv Chir Acta; 1992 May; 58(6):813-8. PubMed ID: 1644600.
    Abstract:
    Surgery of the suprarenal segment of abdominal aorta is characterized by specific problems of operative techniques and of circulatory support during operative procedure. Ischaemic time of kidneys and other viscera has to be limited and use of femoro-femoral bypass allows perfusion of distal aortic branches during performance of the proximal anastomose. Replacement of the suprarenal abdominal aortic segment was performed in 57 consecutive patients (45 with aneurysm and 12 with para- or suprarenal atherosclerosis). Emergent operation was performed in 10 patients (9 with aortic rupture and 1 with acute renal failure by occlusion of the pararenal aortic segment) with early mortality of 50%. Elective operation was much safer with early mortality of 4.3% (2/47 patients). Following procedures were performed to revascularize the kidney and the other visceral arteries: direct replantation with or without endarterectomy (80%), bypass with prosthetic material or saphenous vein (15%), other procedures (5%). Nephrectomy was done in 3 patients. Overall 6-year survival was 64% in patients with aneurysm and 48% in patients with aortic atherosclerosis. 6-year survival was significant (p less than 0.01) higher in patients with normal renal function postoperatively than patients with persisting creatinine value over 200 micromol/l 3 months after operation (68% vs 15%).
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