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Evolution of chronic kidney disease after surgical aortic valve replacement or transcatheter aortic valve implantation



Evolution of chronic kidney disease after surgical aortic valve replacement or transcatheter aortic valve implantation



Archives of Cardiovascular Diseases 112(3): 162-170



Immediate improvement in kidney function has been reported after surgical aortic valve replacement or transcatheter aortic valve implantation. Long-term data, however, are not available. To assess the evolution of kidney function in chronic kidney disease stage 3b-5, 1 year after surgical aortic valve replacement or transcatheter aortic valve implantation. All patients with chronic kidney disease stage 3b-5 undergoing surgical aortic valve replacement or transcatheter aortic valve implantation for aortic stenosis in a single centre were included. Kidney function was assessed 1 year postprocedure. Improvement or deterioration in estimated glomerular filtration rate was defined by an increase or decrease of 5mL/min/1.73 m2, respectively. Overall, 127 procedures were analysed (54 surgical aortic valve replacements and 73 transcatheter aortic valve implantations). Kidney function improved in 51% of patients at 1 year (45% of the surgical aortic valve replacement group versus 57% of the transcatheter aortic valve implantation group; P=0.21), and deteriorated in only 14% of patients at 1 year (18% of the surgical aortic valve replacement group versus 10% of the transcatheter aortic valve implantation group; P=0.22). Almost a quarter of patients (23%) had an improvement in estimated glomerular filtration rate of>15mL/min/1.73 m2, and this was consistent at later follow-up. Few patients went onto chronic dialysis at 1 year (three after surgical aortic valve replacement and one after transcatheter aortic valve implantation). Acute kidney injury was an independent prognostic factor for long-term deterioration in kidney function (odds ratio 2.1, 95% confidence interval 1.4-3.6; P=0.006). Aortic valve replacement, whether by surgical aortic valve replacement or transcatheter aortic valve implantation, improved estimated glomerular filtration rate at 1 year in more than half of patients with chronic kidney disease stage 3b-5.

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Accession: 066100241

Download citation: RISBibTeXText

PMID: 30655226

DOI: 10.1016/j.acvd.2018.10.003


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