Clinical utility of estimation of glomerular filtration rate in dogs

Journal of Veterinary Internal Medicine
Myles McKennaRosanne Jepson

Abstract

Glomerular filtration rate (GFR) estimation is the gold standard for assessment of renal function, although the clinical utility of this test is unclear. To describe the clinical utility of GFR estimation in dogs. Medical records of 132 dogs that had serum iohexol clearance measured between 2012 and 2017. Iohexol clearance and clinical records were reviewed and submitting practices contacted to obtain outcome data. Dogs were classified into 4 groups based on the reason for performing GFR estimation: A1 (screening for pre-azotemic chronic kidney disease [CKD], n = 105), A2 (confirmation of azotemic CKD, n = 3), B (screening for pre-azotemic acute kidney injury, n = 19), and C (miscellaneous causes, n = 5). Descriptive review of the clinical utility of GFR estimation is provided. For dogs in Group A1, renal disease was diagnosed in 9/9 dogs with a GFR ≥40% decreased below the mean GFR of their body weight category, in 5/6 dogs with a ≥30% but <40% reduction in GFR and in 7/9 dogs with a ≥20% but <30% reduction in GFR. Glomerular filtration rate estimation is useful for the diagnosis of CKD before the onset of azotemia.

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Citations

Jul 18, 2020·Journal of Veterinary Internal Medicine·Laura Pearl ColeKaren Humm
Jul 3, 2020·The Veterinary Record·Michael CoyneLauren Olavessen
Oct 13, 2021·Veterinary Radiology & Ultrasound : the Official Journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association·Duangdaun KaenkangplooKarn Yongvanit
Dec 7, 2021·Frontiers in Veterinary Science·Maria D Vegas CómitreLudovic Pelligand

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