Introduction:

Systemic Lupus Erythematosus (SLE) has different clinical manifestations, being very relevant lupus nephropathy (NL) because is associated with progression to advanced chronic kidney disease (CKD) and mortality.

Objective:

Determination of the clinical and epidemiological characteristics of the NL in Santander.

Methods:

A descriptive observational study of a series of cases in patients with NL diagnosis, evaluated between January 2017 and 2018 for the first time in a nephroprotection consultation. Qualitative and quantitative variables are defined according to the inclusion and exclusion criteria. Electronic medical records were reviewed, and data analysis was performed through SPSS®.

Results:

14 patients (85% women) were studied. The average age of diagnosis of NL was 36 years, mostly with stages of CKD 1 and 2 (72%) with proteinuria A3 (85%).Biopsy renal was performed in the 64%, a conclusive result in the 50%, being the histopathological grade IV of NL the most common. The most frequent maintenance therapy was corticosteroid alone (35.7%), followed by the combination of corticosteroid and mycophenolate (28.5%).

Conclusion:

NL predominates in young women, and presenting in early stages of CKD, with high degrees of proteinuria, so a thorough evaluation should be performed in search of NL in all patients with SLE through early nephrological screening and monitoring programs. The histopathological grade IV found is like that reported in Latin America. There are administrative and technical difficulties in the performance of renal biopsies, emphasis should be placed on the realization of this procedure because it takes a primary role in defining the treatment.

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