Letters Chronic kidney disease in elderly people

Taking the patient’s body surface area into account when estimating GFR

BMJ 2016; 352 doi: https://doi.org/10.1136/bmj.i754 (Published 09 February 2016) Cite this as: BMJ 2016;352:i754
  1. Kit Byatt, consultant physician and geriatrician1
  1. 1Wye Valley NHS Trust, Hereford HR1 2ER, UK
  1. cbyatt{at}bigfoot.com

Ellam and colleagues’ article is timely.1 As a geriatrician, I have been exercised by this topic since its inception. The estimated glomerular filtration rate (GFR) is of no great help prognostically in older patients and its apparent simplicity can mislead. Many doctors just see “GFR of 62 mL/min” …

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