The impact of hyperfiltration on the diabetic kidney

Erosha Premaratne, S Verma, Elif Ekinci, G Theverkalam, George Jerums, Richard MacIsaac

    Research output: Contribution to journalArticle

    Abstract

    More than two decades ago, hyperfiltration (HF) in diabetes was postulated to be a maladaptive response observed early in the course of diabetic kidney disease (DKD), which may eventually predispose to irreversible damage to nephrons and development of progressive renal disease. Despite this, the potential mechanisms leading to renal HF in diabetes are not fully understood, although several hypotheses have been proposed, including alterations in glomerular haemodynamic function and tubulo-glomerular feedback. Furthermore, the role of HF as a causative factor in renal disease progression is still unclear and warrants further prospective longer-term studies. Although HF has been entrenched as the first stage in the classic albuminuric pathway to end-stage renal disease in DKD, and HF has been shown to predict the progression of albuminuria in many, but not all studies, the concept that HF predisposes to the development of chronic kidney disease (CKD) stage 3, that is, glomerular filtration rate (GFR) decline to < 60 mL/min/1.73m2, remains to be proved. Further long-term studies of GFR gradients therefore are required to establish whether HF ultimately leads to decreased kidney function, after adjustment for glycaemic control and other confounders. Whether reversal of HF with therapeutic agents is protective against reducing the risk of development of albuminuria and renal impairment is also worth investigating in prospective randomized trials.
    Original languageEnglish
    Pages (from-to)5-17
    Number of pages13
    JournalDiabetes and Metabolism
    Volume41
    Issue number1
    DOIs
    Publication statusPublished - Feb 2015

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    Premaratne, E., Verma, S., Ekinci, E., Theverkalam, G., Jerums, G., & MacIsaac, R. (2015). The impact of hyperfiltration on the diabetic kidney. Diabetes and Metabolism, 41(1), 5-17. https://doi.org/10.1016/j.diabet.2014.10.003