Surgical renal artery reconstruction without contrast arteriography: the role of clinical profiling and magnetic resonance angiography

被引:9
作者
Cambria, RP
Kaufman, JL
Brewster, DC
Gertler, JP
LaMuraglia, GM
Bazari, H
Abbott, WM
机构
[1] Harvard Univ, Massachusetts Gen Hosp, Sch Med, Div Vasc Surg, Boston, MA 02114 USA
[2] Harvard Univ, Massachusetts Gen Hosp, Sch Med, Div Vasc Radiol, Boston, MA 02114 USA
[3] Harvard Univ, Massachusetts Gen Hosp, Sch Med, Med Serv, Boston, MA 02114 USA
关键词
D O I
10.1016/S0741-5214(99)70242-9
中图分类号
R61 [外科手术学];
学科分类号
摘要
Purpose: Contrast arteriography is the accepted gold standard for diagnosis and treatment planning in patients with atherosclerotic renovascular disease (RVD). In this study, the results of a selective policy of surgical renal artery reconstruction (RAR) with magnetic resonance angiography (MRA) as the sole preoperative imaging modality are reviewed. Methods: From May 1993 to May 1998, 25 patients underwent RAR after clinical evaluation, and aortic/renal MRA performed with a gadolinium-enhanced and 3-dimensional phase contrast technique. Clinical presentations suggested severe RVD in all patients and included poorly controlled hypertension (16 patients), hospitalization for hypertensive crises and/or acute pulmonary edema (13), and deterioration of renal function within one year of operation (15). Thirteen patients had associated aortic pathologic conditions (12 aneurysms, 1 aortoiliac occlusive disease), and eight of these patients also underwent noncontrast computed tomography scans. Significant renal dysfunction (serum creatinine level, greater than or equal to 2.0 mg/dL) was present in all but 4 patients with. 14 of 25 patients having extreme (creatinine level, greater than or equal to 3.0 mg/dL) dysfunction. Results: Hemodynamically significant RVD in the main renal artery was verified at operation in 37 of 38 reconstructed main renal arteries (24/25 patients). A single accessory renal artery was missed by MRA. RAR was comprehensive (bilateral or unilateral to a single-functioning kidney) in 21 of 25 patients and consisted of hepatorenal bypass graft (3 patients), combined aortic and RAR (13 patients), isolated transaortic endarterectomy (8 patients), and aortorenal bypass graft (1 patient). Early improvement in both hypertension control and/or renal function was noted in 21 of 25 patients without operative deaths or postoperative renal failure. Sustained favorable functional results at follow-up, ranging from 5 months to 4 years, were noted in 19 of 25 patients. Conclusion: MRA is an adequate preoperative imaging modality in selected patients before RAR. This strategy is best applied in circumstances where the clinical presentation suggests hemodynamically significant bilateral RVD and/or in patients at substantial risk of complications from contrast angiography.
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页码:1012 / 1020
页数:9
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