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Outcome and risk factors for renal involvement in patients with anti-neutrophil cytoplasmic antibody associated vasculitis / 中华风湿病学杂志
Chinese Journal of Rheumatology ; (12): 754-758, 2011.
Artículo en Chino | WPRIM | ID: wpr-422945
ABSTRACT
ObjectiveTo investigate the outcome and risk factors for kidney involvement by analyzing 64 patients with anti-neutrophil cytoplasmic antibody(ANCA)-associated vasculitis.MethodsData analyzed including the demographic information,survival status,renal survival status and laboratory parameters such asserum albumin level,serum creatinine level,urinary protein excretion level,hematuria,high sensitivity C-reactive protein(CRP),ANCA titer,and the Birmingham vasculitis activity score (BVAS).Logistic regression analysis,Cox regression analysis and ROC curve were used to evaluate the risk factors of patients with renal involvement and all-event survival.ResultsTotally 64 patients were enrolled [24 females with the average age of (59.9±2.0) years] and followed up for a median of (38±16) months.The morality rate was 14%,and the prevalence of end stage renal disease was 39%.Compared with those who had better outcomes,patients who died or with end stage renal disease had higher serum creatinine level [ (624±246),(245±127 ) μ mol/L,respectively,t=7.17,P=0.005 ] and erythrocyte sediment rate [ (112±24),(76±48) mm/1 h,respectively,t=3.74,P<0.01 ],but lower serum albumin level [(294±31 ),(316±42) g/L,respectively,t=-2.27,P=0.01 ] and hemoglobin level [ (79±13),(99±33) g/L,respectively,t=-3.23,P<0.01 ] at baseline.Logistic regression analysis found that serum creatinine level and erythrocyte sediment rate at baseline were associated with poor outcome and Cox regression analysis further confirmed this result[Scrβ=1.004,95%CI1.002~1.006,P<0.01; ESR β=l.018,95%CI 1.000~1.037,P=0.046].ROC curve analysis showed that serum creatinine and erythrocyte sediment rate were predictors for AAV patients' prognosis and their AUC were 0.95 and 0.80,the sensitivity of these parameters was both 94%,and the specificity was 93% and 70%respectively.ConclusionThe intensity of initial treatment should be based on disease severity and activity in order to improve the prognosis of those with ANCA-associated vasculitis with renal involvement.Increased serum creatinine and erythrocyte sediment rate may serve as predictors for poor prognosis in this patient cohort.

Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Tipo de estudio: Estudio de etiología / Estudio pronóstico / Factores de riesgo Idioma: Chino Revista: Chinese Journal of Rheumatology Año: 2011 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Tipo de estudio: Estudio de etiología / Estudio pronóstico / Factores de riesgo Idioma: Chino Revista: Chinese Journal of Rheumatology Año: 2011 Tipo del documento: Artículo