Envolvimento renal em pacientes com lúpus eritomatoso sistêmico / Renal involvement in patients with systemic lupus erithematosus

AUTOR(ES)

Valéria Soares Pigozzi Veloso

DATA DE PUBLICAÇÃO

2006

RESUMO

Renal involvement in systemic lupus erithematosus (SLE) is a recurrent complication of this disease, besides being related to a greater morbidity and mortality. The study objective was to evaluate the renal involvement in patients with SLE, followed by the Rheumatology Service of the Medical Clinic Departament of the Faculty of the Federal University of Goiás Federal University, to determine the frequency of Lupus nephritis according to the clinicopathologic laboratory criteria, classifying them according to the classification of WHO and ISN/RPS 2003, and trying to correlate the data found. Lupus nephritis was defined by the presence of proteinuria >200mg/24 hours and/or hematuria (>8000 haemacies/mL) associated to esteril pyuria and/or cilindruria. Renal insufficiency was defined by the presence of serum creatinine>1,3mg/dl and/or depuration of creatinine<60mL/min/1,73m. All patients with Lupus nephritis and/or renal insufficiency were submitted to renal biopsy. The patients were divided in two groups: lupus with nephritis and without nephritis. The group with nephritis was divided in two subgroups: nephritis with normal renal function and nephritis with renal insufficiency. The comparison of some clinical and laboratorial data between the groups with nephritis and without nephritis, showed a greater prevalence of HAS, greater serum creatinine, greater proteinuria, less depuration of creatinine and greater renal involvement at the moment of the diagnosis of the disease in the group with nephritis. The presence of renal insufficiency occurred only in the group with nephritis. Patients from the nephritis with renal insufficiency subgroup was possible to see that they had greater serum creatinine, less depuration of creatinine indicating more serious renal injury in this subgroup. Positive AAN was more frequent in lupus nephritis subgroup.Class IV was the histological type of lupus nephritis more frequent, noticing both the WHO classification and the ISN/RPS 2003 new classification. According with the new classification, class IV-G was predominant. The prevalence of renal insufficiency found in the study was 20% and among other patients with nephritis was 44%, making this result apprehensive because renal disease and renal insufficiency interfere in the life quality of these patients, and they have been frequent causes the death.

ASSUNTO(S)

medicina lupus nephritis nefrologia nefrite lúpica rins - doenças insuficiência renal lúpus eritematoso sistêmico renal insufficiency systemic lupus erithematosus

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