AI Article Synopsis
- IgA nephropathy (IgAN) is the most common type of glomerular nephropathy, and this study evaluates the effectiveness of the IgAN progression calculator (IgANPC) and the MEST-C score in predicting the disease's progression to end-stage renal disease (ESRD).
- A retrospective analysis of 48 biopsy patients (83% men, average age 45) showed that higher MEST-C scores correlated with greater risks of declining kidney function, particularly with results showing strong relationships between certain MEST-C categories and future eGFR levels.
- The findings suggest that both IgANPC and the MEST-C classification are valuable tools for prognostic predictions, though further research is necessary to confirm their applicability
Article Abstract
Introduction: IgA nephropathy (IgAN) is the most common and heterogeneous glomerular nephropathy. Several strategies have been used to determine the risk of progression to ESRD. We evaluate the prognostic significance and correlate the IgAN progression calculator (IgANPC) and the Oxford/MEST-C score in our population.
Material And Methods: We performed a retrospective study of biopsied patients with diagnosis of IgA nephropathy from 1990 to 2015. We classified the biopsies using MEST-C score and we correlated the score to clinical evolution. We also calculated the risk of progression with the online IgANPC at the time of the biopsy.
Results: We analysed 48 biopsies, 83% of which were men with a mean age of 45 years at the time of the biopsy. Patients with a biopsy E1 according to MEST-C score had a higher IgANPC score than those with E0 (P=.021). The Pearson's correlation for the percentage of crescents and the IgANPC risk score was statistically significant (P=.014) with r=0.357. The percentage of patients with eGFR above 30 ml/min at 10 years was 100% for the low-risk group (group 1 of IgANPC), and 0% for the high-risk group (group 3), log rank P=0.001. The log rank comparison for variables of the MEST-C score, presented statistically significant results between E (0.036) and S (0.022) and the eGFR time<30 ml/min. A statistically significant relationship was also observed between T1 and eGFR<30 ml/min. The multivariate Cox regression analysis for IgANPC and eGFR<30 ml/min demonstrated a strong correlation (P=.016) between the risk group and eGFR <30 ml/min.
Conclusion: In our study population, the IgANPC predicts the time to eGFR<30 ml/min, and adds information independent of the MEST. The MEST-C classification and IgANPC are useful and independent ÿolos for prognostic prediction, but more studies are needed to validate its use in the general population.
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| http://dx.doi.org/10.1016/j.nefro.2018.10.015 | DOI Listing |
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