Pro: Contrast-induced nephropathy-should we try to avoid contrast media in patients with chronic kidney disease?

Link to article at PubMed

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Pro: Contrast-induced nephropathy-should we try to avoid contrast media in patients with chronic kidney disease?

Nephrol Dial Transplant. 2018 Jun 03;:

Authors: Windpessl M, Kronbichler A

Abstract
The administration of iodinated contrast medium (CM) has immediate negative impact on multiple levels of the nephron, including vasoconstriction, an increase in apoptotic pathways and oxidative stress. Therefore, contrast-induced acute kidney injury (CI-AKI) remains an important cause of sudden impairment of renal function. Far from being just a transient phenomenon, CI-AKI has consistently been shown to be associated with adverse outcomes. The phenomenon of chronic kidney disease (CKD) following AKI might explain why this entity portends a poor prognosis in the long run. While it is generally acknowledged that in individuals with normal renal function, the risk of CI-AKI is negligible, pre-existing renal disease is its greatest independent risk factor. Although several recent publications have challenged the dogma of CI-AKI as a stand-alone disease entity, these trials, despite careful propensity matching, are hampered by their retrospective nature. In this article, we concede that there is always a trade-off and that administration of CM may be justified if its diagnostic value is believed to outweigh its associated risks. However, we reason that despite considerable progress in the field, the risk of CI-AKI is still high in the modern era and that CM-based imaging should be employed with great restraint in patients with CKD.

PMID: 29868731 [PubMed - as supplied by publisher]

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