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  • Title: [Simultaneous revascularization of the renal arteries in conjunction with reconstruction of aneurysms of the abdominal aorta].
    Author: von Segesser LK, Bauer E, Carrel T, Laske A, Turina M.
    Journal: Helv Chir Acta; 1991 Feb; 57(5):771-5. PubMed ID: 1864747.
    Abstract:
    Simultaneous revascularization of stenosed renal arteries during resection of aneurysms of the abdominal aorta was performed in a consecutive series of 30 patients (mean age: 65 +/- 7 years; men 27 [90%]; women 3 [10%]). Right renal artery was operated upon in 20/30 cases (66%) and left renal artery in 15/30 cases (50%) for a mean degree of stenosis of 79 +/- 19%. Suprarenal extension of the aneurysm of the abdominal aorta was observed in 7/30 cases (23%). Emergency operation because of rupture of the aneurysm was necessary in 7/30 cases (23%). The following procedures were performed upon the renal arteries, either isolated or combined, in addition to resection of the aneurysm of the abdominal aorta: reimplantation of the renal artery in 15 cases, thrombendarteriectomy of the renal artery in 11 cases, patchangioplasty in 8 cases, bypass in 4 cases, dilatation in 1 case, autotransplantation in 1 case. The 30-day mortality was 1/23 (4%) for elective procedures versus 3/7 (43%) for emergency procedures (ruptures). Systolic (diastolic) blood pressure dropped from a preoperative mean value of 181 +/- 139 (104 +/- 18) mm Hg to a postoperative mean value of 147 +/- 18 (80 +/- 18) mm Hg: p less than 0.05 (p less than 0.05). Hence, simultaneous revascularization of stenosed renal arteries during resection of aneurysms of the abdominal aorta helps not only to salvage renal parenchyma but also to control the risk factor hypertonia in a significant number of patients.
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