Kidney size in relation to ageing, gender, renal function, birthweight and chronic kidney disease risk factors in a general population

Nephrology, Dialysis, Transplantation : Official Publication of the European Dialysis and Transplant Association - European Renal Association
Doloretta PirasAntonello Pani

Abstract

The relationship of kidney size to ageing, kidney function and kidney disease risk factors is not fully understood. Ultrasound length and parenchymal kidney volume were determined from a population-based sample of 3972 Sardinians (age range 18-100 years). We then identified the subset of 2256 'healthy' subjects to define age- and sex-specific reference ranges (2.5-97.5 percentile) of kidney volume. Logistic regression (accounting for family clustering) was used to identify the clinical characteristics associated with abnormally large kidneys or abnormally small kidneys. In the healthy subset, kidney volume and length increased up to the fourth to fifth decade of life followed by a progressive decrease in men, whereas there was a gradual kidney volume decrease throughout the lifespan of women. In the whole sample, independent predictors of lower kidney volume (<2.5 percentile for age and sex) were male sex, low body mass index, short height, low waist:hip ratio and high serum creatinine (SCr); the independent predictors of larger kidney volume (>97.5 percentile for age and sex) were younger age, female sex, diabetes, obesity, high height, high waist:hip ratio and lower SCr. Estimated heritability for kidney volume was 15%, and f...Continue Reading

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Citations

Jul 22, 2020·BMC Nephrology·Sabrina Addidou KaluckiMenno Pruijm
Jan 5, 2021·Journal of Nephrology·Francesco TrevisaniEsteban Porrini
Jan 8, 2021·Clinical and Experimental Nephrology·Makoto TsujitaYoshihiko Watarai
Apr 17, 2021·Scientific Reports·Chun-Hao ChenTzung-Hai Yen
Mar 11, 2019·ACS Biomaterials Science & Engineering·Ge GaoDong-Woo Cho
Aug 28, 2021·Journal of Personalized Medicine·Ling LinHildo J Lamb

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