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Doença de lesões mínimas e glomeruloesclerose segmentar e focal em adultos: resposta a corticoide e risco de insuficiência renal / Minimal change disease and focal segmental glomerulosclerosis in adults: response to steroids and risk of renal failure
Moura, Lúcio R R; Franco, Marcello F; Kirsztajn, Gianna Mastroianni.
  • Moura, Lúcio R R; Hospital Israelita Albert Einstein. BR
  • Franco, Marcello F; Hospital Israelita Albert Einstein. BR
  • Kirsztajn, Gianna Mastroianni; Hospital Israelita Albert Einstein. BR
J. bras. nefrol ; 37(4): 475-480, out.-dez. 2015. tab, graf
Article in English | LILACS | ID: lil-767147
RESUMO
Resumo

Introdução:

O perfil clínico de pacientes brasileiros adultos com síndrome nefrótica por doença de lesões mínimas (LM) e glomeruloesclerose segmentar e focal (GESF) é pouco conhecido.

Objetivo:

Avaliamos as características clínico-laboratoriais e resposta a tratamento em pacientes adultos com síndrome nefrótica e diagnósticos histológicos de LM ou GESF.

Métodos:

Fez-se a análise retrospectiva de 50 pacientes adultos com LM e 120 com GESF. Todos os pacientes foram inicialmente tratados com corticosteroide. Os desfechos do estudo foram resposta a corticosteroide, prevalência de remissão total, progressão para doença renal crônica estágio 5 (DRC5) e necessidade de terapia de substituição renal por DRC5.

Resultados:

Níveis iniciais de creatinina sérica foram 24% mais elevados entre pacientes com GESF (p = 0,02) e os de proteinúria foram 36% mais altos em LM (p < 0,001). Pacientes com LM foram córtico-sensíveis em 80% dos casos, com remissão total em 74%, e os pacientes com GESF em 58% (p = 0,01), com remissão total em 30% (p = 0,002). A prevalência de insuficiência renal aguda em pacientes com GESF foi de 39% (vs. 12%, p = 0,013) e DRC5 de 10% (vs. 0%, p < 0,001). Remissão completa ou parcial com o uso de corticosteroide reduziu em 83% o risco de DRC5 (p < 0,001) e remissão total associou-se a redução no risco de DRC5 de 89% (p < 0,001).

Conclusão:

A resposta positiva à corticoterapia foi o fator mais importante relacionado à preservação da função renal ao longo de mais de uma década de seguimento, e GESF relacionou-se a menor índice de resposta a corticosteroide.
ABSTRACT
Abstract

Introduction:

There is scarce data on the clinical profile of adult Brazilian patients with nephrotic syndrome caused by minimal change disease (MCD) and focal segmental glomerulosclerosis.

Objective:

We evaluated the clinical characteristics and response to treatment in adult patients with nephrotic syndrome having a histological diagnosis of MCD or FSGS.

Methods:

This is a retrospective analysis of 50 patients with MCD and 120 with FSGS. All patients were initially treated with steroids. The study outcomes were steroid responsiveness, prevalence of total remission, progression to chronic renal failure and need of renal replacement therapy due to end-stage renal disease (ESRD).

Results:

Initial serum creatinine level was 24% higher among patients with FSGS (p = 0.02), and proteinuria levels were 36% higher in MCD (p < 0.001). Patients with MCD were sensitive to steroid therapy in 80% of the cases, with total remission in 74%, while patients with FSGS were sensitive in 58% (p = 0.01), with total remission in 30% (p = 0.002). Patients with FSGS had an acute renal failure prevalence of 39% (vs. 12%, p = 0.013) and ESRD of 10% (vs. 0%, p < 0.001). Steroid responsiveness reduced in 83% the risk of ESRD (p < 0.001), while total remission was associated to a reduction in risk of 89% (p < 0.001).

Conclusion:

A positive response to steroid therapy was the most important factor related with preservation of renal function and FSGS was related with less steroid responsiveness.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Steroids / Glomerulosclerosis, Focal Segmental / Nephrosis, Lipoid / Nephrotic Syndrome Type of study: Diagnostic study / Etiology study / Observational study / Risk factors Limits: Adult / Female / Humans / Male Country/Region as subject: South America / Brazil Language: English Journal: J. bras. nefrol Journal subject: Nephrology Year: 2015 Type: Article Affiliation country: Brazil Institution/Affiliation country: Hospital Israelita Albert Einstein/BR

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Full text: Available Index: LILACS (Americas) Main subject: Steroids / Glomerulosclerosis, Focal Segmental / Nephrosis, Lipoid / Nephrotic Syndrome Type of study: Diagnostic study / Etiology study / Observational study / Risk factors Limits: Adult / Female / Humans / Male Country/Region as subject: South America / Brazil Language: English Journal: J. bras. nefrol Journal subject: Nephrology Year: 2015 Type: Article Affiliation country: Brazil Institution/Affiliation country: Hospital Israelita Albert Einstein/BR