A decrease or decline in the GFR implies progression of underlying kidney disease or the occurrence of a superimposed insult to the kidneys. This is most commonly due to problems such as dehydration and volume loss. An improvement in the GFR may indicate that the kidneys are recovering some of their function.

What does it mean when your GFR is low?

your gFR number is an estimate of how well your kidneys are working and keeping you healthy. if your gFR number is low, your kidneys are not working as well as they should. early detection will allow for early treatment. early treatment may keep kidney disease from getting worse.

What causes a decrease in glomerular filtration rate?

Causes of Decreased Glomerular Filtration Rate

Decreased GFR can be the result of prerenal, renal, and postrenal causes. Because of this, it is important to rule out prerenal (e.g., dehydration, decreased cardiac output) and postrenal (e.g., urinary tract obstruction, rupture) causes before measuring GFR.