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- W2074423903 abstract "Contrast medium-induced nephropathy (CIN) is a well-known cause of acute renal failure, but the development of CIN remains poorly understood. A number of studies have been performed with the one aim, to shed some light onto the pathophysiology of CIN. These have led to manifold interpretations and sometimes contradicting conclusions.This review critically surveys mechanisms believed to mediate CIN by highlighting the complex pathophysiologic entity, including altered rheologic properties, perturbation of renal hemodynamics, regional hypoxia, auto- and paracrine factors [adenosine, endothelin, and reactive oxygen species (ROS)], and direct cytotoxic effects. Moreover, the importance of physicochemical properties of contrast media are made clear.The more recently developed iso-osmolar contrast media are dimers, not monomers as the widely used nonionic low osmolar contrast media. The dimers have physicochemical features different from other contrast media which may be of clinical importance, not only with respect to osmolality. The viscosity of the commercially available dimers is considerably higher than blood.Many experimental studies provide evidence for a greater perturbation in renal functions by dimeric contrast media in comparison to nonionic monomeric contrast media. Clinical trials have yielded conflicting results." @default.
- W2074423903 created "2016-06-24" @default.
- W2074423903 creator A5006341566 @default.
- W2074423903 creator A5018397837 @default.
- W2074423903 creator A5035653406 @default.
- W2074423903 date "2005-07-01" @default.
- W2074423903 modified "2023-10-10" @default.
- W2074423903 title "Pathophysiology of contrast medium–induced nephropathy" @default.
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- W2074423903 doi "https://doi.org/10.1111/j.1523-1755.2005.00377.x" @default.
- W2074423903 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/15954892" @default.
- W2074423903 hasPublicationYear "2005" @default.
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