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Do sodium-glucose cotransporter-2 inhibitors affect renal hemodynamics by different mechanisms in type 1 and type 2 diabetes?

Bjornstad P, Nelson RG, Pavkov ME

Kidney international, 2020

Abstract

Cardiovascular and renal outcome trials demonstrate nephroprotection with sodium-glucose cotransporter-2 inhibitors in people with type 2 diabetes. Attenuation of hyperfiltration is believed to be responsible for the nephroprotection, and studies in young adults with type 1 diabetes suggest that afferent arteriolar vasoconstriction induced by a tubuloglomerular feedback mechanism may be responsible for this effect. The study by van Bommel et al. suggests that this mechanism may not hold true in older adults with type 2 diabetes, who instead attenuate elevated glomerular filtration rate via post-glomerular vasodilation.

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