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Does Drinking Water Increase eGFR?

Published in Kidney Health 2 mins read

Yes, based on the provided reference, drinking a higher volume of water is associated with a higher eGFR (estimated Glomerular Filtration Rate).

Understanding the Relationship Between Water Intake and eGFR

The provided reference indicates a clear correlation between water intake and eGFR. Specifically, the study found that:

  • Higher Water Intake, Higher eGFR: Individuals who consumed a greater volume of water also had a significantly higher eGFR (P < .001). This suggests that adequate hydration might play a role in improving kidney function as measured by eGFR.
  • Lower Urinary ACR: The study also found that higher water intake was associated with lower urinary albumin-to-creatinine ratio (ACR) (P < .01). ACR is a marker of kidney damage, so lower ACR suggests better kidney health.
  • Lower Osmolality: Plasma and urine osmolality were significantly lower in the high water intake group compared to those with moderate or low intake (both P < .001). This is expected as increased water consumption dilutes body fluids.

Key Findings Summarized

Feature Higher Water Intake Group
eGFR Higher
Urinary ACR Lower
Plasma Osmolality Lower
Urine Osmolality Lower

Practical Insights

  • Hydration is Key: Maintaining adequate hydration appears to be beneficial for kidney function.
  • Individual Needs: It's important to consider that individual water needs may vary based on factors like activity levels, climate, and overall health conditions.
  • Consult Healthcare Professionals: If you have concerns about kidney health, consult with a healthcare professional who can assess your specific needs.

Conclusion

The provided research demonstrates a positive association between higher water intake and increased eGFR, suggesting that adequate hydration is beneficial for kidney health.

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