Zhongguo dang dai er ke za zhi = Chinese journal of contemporary pediatrics · 2015
[Clinical characteristics of children with an initial onset of IgA nephropathy with nephrotic syndrome].
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Zhang Liang, Li Zhi-Hui, Yin Yan, Duan Cui-Rong, Xun Mai, Wu Tian-Hui, Zhang Yi, Ding Yun-Feng
Аннотация
OBJECTIVE: To study the clinical characteristics of children with an initial onset of IgA nephropathy with nephrotic syndrome and compare them with children with primary nephrotic syndrome, in order to provide a theoretical basis for the differential diagnosis of the two diseases.
METHODS: Fifty children diagnosed with an initial onset of IgA nephropathy with nephrotic syndrome were included in this study. Seventy-two children diagnosed with an initial onset of primary nephrotic syndrome served as the control group. The clinical and laboratory examination characteristics were compared between the two groups.
RESULTS: The IgA nephropathy group had significantly higher incidence rates of gross haematuria, microscopic haematuria, hypertension, acute kidney injury, low serum high-density lipoprotein cholesterol, anemia, low serum complement C4, steroid resistance, and nephritis-type nephrotic syndrome and a significantly lower incidence of elevated serum IgE compared with the control group (P<0.05). There were significant differences in serum creatinine, serum uric acid, serum total cholesterol, serum high-density lipoprotein cholesterol, serum IgE, serum complement C4, and hemoglobin levels between the IgA nephropathy and the control groups (P<0.05). The thresholds of serum IgE (<131.2 IU/mL) and high-density lipoprotein cholesterol (<1.35 mmol/L) were reference parameters in the differential diagnosis of IgA nephropathy with nephrotic syndrome and primary nephrotic syndrome.
CONCLUSIONS: Children with IgA nephropathy presenting nephrotic syndrome manifest mainly as nephritis type and steroid-resistant type in the clinical classification. Cinical manifestations accompanied by serum levels of high-density lipoprotein cholesterol and IgE are helpful for differential diagnosis of IgA nephropathy presenting nephrotic syndrome and primary nephrotic syndrome.
METHODS: Fifty children diagnosed with an initial onset of IgA nephropathy with nephrotic syndrome were included in this study. Seventy-two children diagnosed with an initial onset of primary nephrotic syndrome served as the control group. The clinical and laboratory examination characteristics were compared between the two groups.
RESULTS: The IgA nephropathy group had significantly higher incidence rates of gross haematuria, microscopic haematuria, hypertension, acute kidney injury, low serum high-density lipoprotein cholesterol, anemia, low serum complement C4, steroid resistance, and nephritis-type nephrotic syndrome and a significantly lower incidence of elevated serum IgE compared with the control group (P<0.05). There were significant differences in serum creatinine, serum uric acid, serum total cholesterol, serum high-density lipoprotein cholesterol, serum IgE, serum complement C4, and hemoglobin levels between the IgA nephropathy and the control groups (P<0.05). The thresholds of serum IgE (<131.2 IU/mL) and high-density lipoprotein cholesterol (<1.35 mmol/L) were reference parameters in the differential diagnosis of IgA nephropathy with nephrotic syndrome and primary nephrotic syndrome.
CONCLUSIONS: Children with IgA nephropathy presenting nephrotic syndrome manifest mainly as nephritis type and steroid-resistant type in the clinical classification. Cinical manifestations accompanied by serum levels of high-density lipoprotein cholesterol and IgE are helpful for differential diagnosis of IgA nephropathy presenting nephrotic syndrome and primary nephrotic syndrome.