Abstract
Background: The population with end-stage renal disease is increasing. This continued growth is related to: i) diagnostic failure in screening for early chronic kidney disease (CKD) associated with tubulointerstitial fibrosis (TIF), ii) failure in preventing renal disease progression due to lack of understanding of the precise determinants that induce TIF, and iii) delayed treatment which simply slows renal disease progression, but is unable to restore renal function. Objective: To review therapeutic strategy to restore renal function in CKD stressing fractional excretion of magnesium (FE Mg) as a sensitive biomarker for screening early CKD associated with TIF. Results: There is much evidence to support the crucial role of renal microvascular disease as the determinant of TIF and disease progression. A unique pattern of hemodynamic maladjustment is characterized by a preferential constriction of the efferent arteriole that induces peritubular capillary flow reduction in CKDs. Conclusion: The present information leads to a therapeutic strategy to restore renal function in early CKD patients.
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