PMID: 22351995Feb 23, 2012Paper

Case in which renal function improved following stent-graft placement in the aorta two months after the onset of stanford type B acute aortic dissection

Nihon Jinzo Gakkai shi
Juri FusamaeShigeru Kohno

Abstract

A 48-year-old man was admitted to the Department of Cardiovascular Surgery in our hospital after developing Stanford type B acute aortic dissection with a patent false lumen in July 2008. Conservative treatment involving rest and antihypertensive therapy was provided following admission. Urine volume decreased from day 9, and serum creatinine increased to 7.7 mg/dL. As it was suspected that the reduced renal blood flow was caused by progression of aortic dissection, contrast-enhanced computed tomography (CT)was performed. The left kidney showed reduced enhancement and the right kidney was heterogeneously enhanced. The dissection had extended to the left renal artery, and the reduced renal blood flow caused by narrowing of the left renal artery was thought to have caused the renal dysfunction. As elevated urea nitrogen and serum creatinine levels and hyperkalemia persisted, hemodialysis was performed a total of four times. Although the patient was subsequently withdrawn from dialysis, he continued to display severe renal dysfunction and was transferred to our department on day 28 for the treatment of renal failure. Conservative treatment was continued, but the maximum diameter of the thoracic aorta gradually increased, and stent...Continue Reading

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