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1.
Korean Journal of Pathology ; : 137-141, 2012.
Artigo em Inglês | WPRIM | ID: wpr-25786

RESUMO

BACKGROUND: Minimal change nephritic syndrome (MCNS) is characterized by a lack of obvious abnormalities on light microscopy, but its electron microscopic findings include the negative immunofluorescence findings and the diffuse effacement of the epithelial cell foot processes. Rarely the presence of electron dense deposits (EDDs) has been reported, but its clinical significance remains obscure. METHODS: Eleven patients with MCNS who had the EDD deposited were enrolled in the current study. We compared the clinical characteristics, laboratory results and response to steroid treatment between the two group: the EDD group (n=11; the male-to-female ratio, 8:3) and the non-EDD group (n=13, 8:5). RESULTS: There were no significant differences in most of the laboratory results or response to steroid treatment between the two groups. The frequency of relapses per year was significantly higher in the EDD group (1.1+/-0.7 times vs. 0.5+/-0.6 times; p=0.023). These EDDs were found in the mesangium or paramesangium. With no respect to the characteristics of EDDs, our results showed that they did not cause poor treatment outcomes except for the annual frequency of relapse. CONCLUSIONS: Further large-scale studies are warrented to determine the immunologic and prognostic significance of EDDs in patients with MCNS.


Assuntos
Humanos , Elétrons , Células Epiteliais , Imunofluorescência , , Luz , Microscopia , Nefrose Lipoide , Síndrome Nefrótica , Recidiva
2.
Korean Journal of Pediatrics ; : 40-44, 2011.
Artigo em Inglês | WPRIM | ID: wpr-102664

RESUMO

We present a case of tacrolimus-induced encephalopathy after successful kidney transplantation. An 11-year-old girl presented with sudden onset of neurologic symptoms, hypertension, and psychiatric symptoms, with normal kidney function, after kidney transplantation. The symptoms improved after cessation of tacrolimus. Magnetic resonance imaging (MRI) showed acute infarction of the middle cerebral artery (MCA) territory in the right frontal lobe. Three days later, she had normal mental function and maintained normal blood pressure with left hemiparesis. Follow-up MRI was performed on D19, showing new infarct lesions at both cerebral hemispheres. Ten days later, MRI showed further improvement, but brain single photon emission computed tomography (SPECT) showed mild reduction of uptake in both the anterior cingulate gyrus and the left thalamus. One month after onset of symptoms, angiography showed complete resolution of stenosis. However, presenting as a mild fine motor disability of both hands and mild dysarthria, what had been atrophy at both centrum semiovale at 4 months now showed progression to encephalomalacia. There are two points of interest in this case. First, encephalopathy occurred after administration of tacrolimus and improved after discontinuation of the drug. Second, the development of right-side hemiplegia could not be explained by conventional MRI; but through diffusion tensor imaging (DTI) and diffusion tensor tractography (DTT) of white matter tract, visualization was possible.


Assuntos
Criança , Humanos , Angiografia , Atrofia , Pressão Sanguínea , Encéfalo , Cérebro , Constrição Patológica , Difusão , Imagem de Tensor de Difusão , Disartria , Encefalomalacia , Seguimentos , Lobo Frontal , Giro do Cíngulo , Mãos , Hemiplegia , Hipertensão , Infarto , Rim , Transplante de Rim , Imageamento por Ressonância Magnética , Artéria Cerebral Média , Manifestações Neurológicas , Paresia , Tacrolimo , Tálamo , Tomografia Computadorizada de Emissão de Fóton Único
3.
Journal of the Korean Society of Pediatric Nephrology ; : 210-217, 2010.
Artigo em Coreano | WPRIM | ID: wpr-219783

RESUMO

PURPOSE: Diabetes mellitus (DM) is known as one of the common causes of secondary enuresis in children. However, enuresis in diabetic children is overlooked only as a symptom of polyuria due to hyperglycemia. We evaluated the prevalence of nocturnal enuresis in children with diabetes mellitus in this paper. METHODS: Among children with diabetes in three hospitals in Daegu area, 117 agreed to 'Tele research by means of a questionnaire'. RESULTS: Diabetic patients were divided into two groups: Nocturnal enuresis and non-nocturnal enuresis group. thirty-two of 117 (27.0%) patients were in enuresis group, with more daytime urination than non-nocturnal enuresis group (4.2+/-1.6/3.6+/-1.2 times, P =0.016). HbA1c at diagnosis was 12.0+/-2.3%/12.0+/-2.5%, and at follow-up 9.3+/-2.3%/8.3+/-2.3% (P =0.042). Insulin was administered at 1.1+/-0.5/1.1+/-0.4 units/kg/day. Ten children of enuresis (31.2%) group were monosymptomatic (MNE) and 22 (68.8%) children were non-monosymptomatic enuresis (non-MNE). Fourteen (43.8%) of enuresis group had persistent symptoms, with 5 MNE and 9 non-MNE each. HbA1c at diagnosis was 11.1+/-2.5, 12.4+/-2.1, higher in non-MNE (P =0.144). Average arousal during sleep was step 3.3+/-1.2, 2.5+/-1.0, higher in improved enuresis group (P =0.059). CONCLUSION: Nocturnal enuresis among DM patients is underestimated. However, considering psychological and social effects of enuresis in children, extensive and long-term studies are needed in the future to clarify relationship between prevalence and DM control.


Assuntos
Criança , Humanos , Nível de Alerta , Diabetes Mellitus , Enurese , Seguimentos , Hiperglicemia , Insulina , Enurese Noturna , Poliúria , Prevalência , Micção
4.
Journal of the Korean Society of Pediatric Nephrology ; : 218-222, 2010.
Artigo em Coreano | WPRIM | ID: wpr-219782

RESUMO

Nephrotic syndrome is a clinical syndrome characterized by heavy proteinuria, hypoalbuminemia, edema and hyperlipidemia. Causes of idiopathic nephrotic syndrome include minimal change nephrotic syndrome (MCNS), focal segmental glomerulosclerosis (FSGS) and mesangial proliferation. Other causes of nephrotic syndrome are rare genetic disorders and secondary diseases associated with drugs, infections, or neoplasia. Since February 2009, a swine-origin H1N1 influenza virus (S-OIV) from Mexico has been spread among humans in unexpected rapidity. S-OIV is markedly different from seasonal influenza, in that many of those affected are previously healthy young people. While pulmonary complications of S-OIV infection have been frequently documented, renal complications have not been as widely recognized. We report a case of 4 year-old boy who had developed nephrotic syndrome after S-OIV infection with good response after steroid treatment.


Assuntos
Humanos , Edema , Glomerulosclerose Segmentar e Focal , Hiperlipidemias , Hipoalbuminemia , Influenza Humana , México , Nefrose Lipoide , Síndrome Nefrótica , Orthomyxoviridae , Oseltamivir , Proteinúria , Estações do Ano
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