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The Mediterranean diet is associated with less deterioration of kidney function

The team of researchers from the Nutrition Unit of the URV-IISPV-CIBERobn, together with other researchers from the PREDIMED-Plus study, have evaluated the association between adherence to two healthy dietary patterns, the Mediterranean diet and the DASH diet, and the changes in renal function after one year of follow-up.

In addition, they have evaluated the association between adherence to a protein pattern, using the Protein Diet Score, and kidney function. The Protein Diet Score is an index that ranges between 0 and 20 points, which depend on the total protein intake and the vegetable:animal protein ratio.

So a higher score reflects a higher consumption of plant-based protein compared to animal-based protein.

After analyzing data from 5,675 participants, only a shift towards greater adherence to the Mediterranean diet was associated with less deterioration in kidney function based on glomerular filtration rate.

In addition, after one year of follow-up of people with greater adherence to this dietary pattern, a 38% reduction in the risk of a decline of greater than or equal to 10% in the glomerular filtration rate was observed.

On the other hand, a shift towards greater adherence to a protein pattern was associated with a worsening of the glomerular filtration rate.

In this same work, the association between each of the different items that make up the “17-items energy-reduced Mediterranean Diet” questionnaire was also explored.

The results obtained showed that the consumption of vegetables, legumes, wine, as well as the traditional Mediterranean tomato sauce and olive oil (sofrito) is associated with better kidney function.

This work, published in April 2022 in the scientific journal European Journal of Nutrition, has been carried out by the predoctoral researcher Cristina Valle-Hita.

It has been led by Nerea Becerra-Tomás, postdoctoral researcher at Imperial College London and collaborator of the Human Nutrition Unit (URV); Nancy Babio, researcher and associate professor at the URV; and Andrés Díaz-López, Serra Hunter researcher at the URV.

The entire team is part of the Pere Virgili Health Research Institute (IISPV) and the Center for Biomedical Research in the Physiopathology of Obesity and Nutrition Network (CIBERobn).

  • URV
  • Nutrition
  • Feeding
  • Diet
  • Mediterranean diet
  • Health

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