Association of Intrarenal Resistance Index and Systemic Atherosclerosis After Kidney Transplantation

Patients after kidney transplants are at risk of cardiovascular morbidity. An elevated resistance index (RI) is associated with renal graft failure, while a decreased RI can be due to a renal artery stenosis. The RI can also be measured in the carotid artery. Whether a correlation between intrarenal...

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Bibliographic Details
Published in:In vivo (Athens) 2021-11, Vol.35 (6), p.3369-3375
Main Authors: Köger, Philipp, Engelberger, Stephan, Thalhammer, Christoph, Wüthrich, Rudolf, Valentin, Marie-Luise, Kucher, Nils, Clemens, Robert K
Format: Article
Language:English
Subjects:
Adult
Atherosclerosis - diagnostic imaging
Atherosclerosis - etiology
Carotid Intima-Media Thickness
Cross-Sectional Studies
Female
Humans
Kidney - diagnostic imaging
Kidney Transplantation - adverse effects
Male
Prospective Studies
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Summary:Patients after kidney transplants are at risk of cardiovascular morbidity. An elevated resistance index (RI) is associated with renal graft failure, while a decreased RI can be due to a renal artery stenosis. The RI can also be measured in the carotid artery. Whether a correlation between intrarenal RI after kidney transplant in adult patients and the RI of the internal carotid artery exists is still unclear. In this prospective cross-sectional study, RI of kidney transplants and of the internal carotid artery were measured with duplex sonography. Carotid intima-media thickness as well as the Framingham risk score and the Augmentation index, all known markers of atherosclerosis, were assessed. Correlations between the RI in Carotid artery and the RI of the kidney transplant were based on Spearmen test with the level of significance set at p
ISSN:0258-851X
1791-7549
DOI:10.21873/invivo.12635