, Volume 43, Issue 3, pp 213–220 | Cite as

The visceral fat compartment is independently associated with changes in urine constituent excretion in a stone forming population

  • Ethan B. Fram
  • Ilir Agalliu
  • Joseph DiVito
  • David M. Hoenig
  • Joshua M. Stern
Original Paper


The objective of this study was to identify the independent effect of visceral fat on urine constituent excretion in a stone forming population. Using a database of 382 kidney stone patients with available visceral fat quantification, we created multiple linear regression models predicting changes in urinary solutes based on visceral fat area and body mass-index, divided by gender. Chi-square tests were used to compare stone composition by body mass-index and visceral fat area. Visceral fat predicts increases in urinary creatinine, sodium, and volume in men, but only urinary phosphate in women. In women, total body mass-index does not appear to modify this effect, but in men it is more pronounced in overweight patients for creatinine and volume only. Elevated visceral fat is associated with increased probability of uric acid stone composition. Different fat compartments likely effect urine composition in different ways. This effect appears to be different in men and women. Understanding and quantifying the effects of different fat compartments is probably important to understanding the metabolism of urolithiasis.


Kidney calculi Intra-abdominal fat Urine specimen collection Computed tomography imaging Ureteroscopy 



This study did not receive any funding.

Conflict of interest

We have no conflicts of interest or relevant disclosures for this study.

Informed consent

The need for informed consent was waived by our departmental IRB due to anonymous collection of data.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2015

Authors and Affiliations

  • Ethan B. Fram
    • 1
  • Ilir Agalliu
    • 1
  • Joseph DiVito
    • 1
  • David M. Hoenig
    • 2
  • Joshua M. Stern
    • 1
  1. 1.Albert Einstein College of MedicineBronxUSA
  2. 2.Long Island Jewish Medical CenterNew Hyde ParkUSA

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