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1.
Rev. chil. pediatr ; 86(5): 366-372, oct. 2015. ilus, tab
Article in Spanish | LILACS | ID: lil-771652

ABSTRACT

El síndrome nefrótico idiopático es la glomerulopatía más frecuente en la infancia, afecta a 1-3/100 mil niños menores de 16 años y se presenta con más frecuencia entre los 2 y 10 años. Su causa es desconocida, y la mayoría de las veces responde a corticoides, con buen pronóstico a largo plazo. El síndrome nefrótico corticorresistente representa un 10-20% de los síndromes nefróticos idiopáticos en pediatría. Tiene mal pronóstico, y su manejo constituye un desafío terapéutico significativo. La mitad de los pacientes evoluciona a insuficiencia renal crónica terminal en un plazo de 5 años, estando expuestos además a las complicaciones secundarias a un síndrome nefrótico persistente y a efectos adversos de la terapia inmunosupresora. El objetivo fundamental del tratamiento es conseguir una remisión completa, pero una remisión parcial se asocia a una mejor sobrevida renal que la falta de respuesta. Este documento surgió de un esfuerzo colaborativo de la Rama de Nefrología de la Sociedad Chilena de Pediatría con el objetivo de ayudar a los pediatras y nefrólogos infantiles en el tratamiento del síndrome nefrótico idiopático en pediatría. En esta segunda parte, se discute el manejo del síndrome nefrótico corticorresistente, así como de las terapias no específicas.


Idiopathic nephrotic syndrome is the most common glomerular disease in childhood, affecting 1 to 3 per 100,000 children under the age of 16. It most commonly occurs in ages between 2 and 10. Its cause is unknown, and its histology corresponds to minimal change disease in 90% of cases, or focal segmental glomerulosclerosis. Steroid-resistant nephrotic syndrome represents 10-20% of idiopathic nephrotic syndrome in pediatrics. It has a poor prognosis, and its management is a significant therapeutic challenge. Half of patients evolve to end-stage renal disease within 5 years, and are additionally exposed to complications secondary to persistent NS and to the adverse effects of immunosuppressive therapy. The primary goal of treatment is to achieve complete remission, but even a partial remission is associated with a better renal survival than the lack of response. This paper is the result of the collaborative effort of the Nephrology Branch of the Chilean Society of Pediatrics with aims at helping pediatricians and pediatric nephrologists to treat pediatric idiopathic nephrotic syndrome. In this second part, handling of steroid-resistant nephrotic syndrome as well as nonspecific therapies are discussed.


Subject(s)
Humans , Child , Glomerulosclerosis, Focal Segmental/therapy , Nephrosis, Lipoid/therapy , Nephrotic Syndrome/therapy , Pediatrics , Prognosis , Remission Induction , Glomerulosclerosis, Focal Segmental/physiopathology , Chile , Kidney Failure, Chronic/prevention & control , Nephrosis, Lipoid/physiopathology , Nephrotic Syndrome/complications , Nephrotic Syndrome/physiopathology
2.
PAFMJ-Pakistan Armed Forces Medical Journal. 1997; 47 (1): 3-6
in English | IMEMR | ID: emr-46379

ABSTRACT

Nephrotic syndrome can result from a large number of glomerular lesions. The primary or idiopathic nephrotic syndrome is a condition which develops as a result of primary glomerular disorders of kidney. A study was carried out from May 1994 to June 1995 including all the renal biopsies of the cases presenting as nephrotic syndrome. Cases of nephrotic syndrome secondary to systemic disorders were excluded from the study. Out of 185 renal biopsies received during this period, cases of primary nephrotic syndrome were 58 [31.3%]. Sixty five% were male and thirty five% were female patients. Average age was twenty-seven years. Cases of membranoproliferative glomerulonephritis comprised 32.7%, lesions consistent with minimal change disease were 24.2%, mesangial proliferative glomerulonephritis 20.7%, focal segmental glomerulosclerosis 13.8% and membranous glomerulonephritis was seen in 8.6% of the cases. Lesions consistent with minimal change disease was the predominant finding in patients below 15 years of age [47.4%] Membra-noproliferative glomerulonephritis was seen predominantly in patients above 15 years of age [33.3%] rate


Subject(s)
Humans , Male , Female , Kidney Glomerulus/pathology , Glomerulonephritis, Membranoproliferative/physiopathology , Glomerulonephritis, Membranous/physiopathology , Glomerulosclerosis, Focal Segmental/physiopathology , Nephrosis, Lipoid/physiopathology
3.
Arq. bras. med ; 66(2): 153-7, MAR.-ABR. 1992.
Article in Portuguese | LILACS | ID: lil-123600

ABSTRACT

Os autores apresentam uma apreciaçäo clínico-patológica das glomerulonefrites na infância, relatando sua experiência no HUPE-UERJ). 1) GN com lesäo mínima: 128 casos (54,7% pré-escolares e 67,9% do sexo masculino): com prognóstico muito bom. 2) Esclerose focal e segmentar: 37 casos, quatro em remissäo, 11 com SN em atividade, 16 evoluíram para IRC (sete óbitos) e seis näo foram acompanhados. 3) GN membranosa: 10 casos, quatro em remissäo, quatro com SN em atividade e dois foram perdidos do acompanhamento. 4) GN endoteliomesangial: 257 casos, todos evoluíram para cura embora 15,3% apresentassem complicaçöes graves. 5) GN mesangial: oito casos, dois em remissäo, três com SBN em atividade, um em IRC e dois óbitos. 6) GN crescêntica: 11 pacientes, sete estäo bem, um em IRC e três morreram. 7) GN membranoproliferativa: seis pacientes: um em remissäo, dois em IRC, dois com SN em atividade e um faleceu


Subject(s)
Humans , Male , Female , Child, Preschool , Child , Adolescent , Glomerulonephritis/classification , Glomerulosclerosis, Focal Segmental/complications , Nephrosis, Lipoid/physiopathology , Biopsy , Glomerulonephritis, IGA/pathology , Glomerulonephritis, Membranoproliferative/complications , Glomerulonephritis, Membranous/physiopathology , Glomerulonephritis/pathology , Nephrosis, Lipoid/complications , Nephrosis, Lipoid/drug therapy , Thromboangiitis Obliterans
4.
Rev. méd. Urug ; 6(3): 160-8, dic. 1990. ilus
Article in Spanish | LILACS | ID: lil-203486

ABSTRACT

Se consideran la presentación clínica, la evolución, el tratamiento y el pronóstico de la lesión glomerular mínima (LGM) en el adulto y se analizan 43 pacientes con sindrome nefrótico idiopático por LGM. Se describen las alteraciones histológicas que la caracterizan; glomérulos normales en microscopía óptica y fusión de los pedicelios de las células epiteliales en microscopía electrónica. Se discute la etiopatogenia y se refiere como probable mecanismo patogénico una disfunción de las células T, con producción de linfokinas, que disminuiría la carga negativa de la membrana basal glomerular, con producción de proteinuria. Se refiere que clinicamente se presenta como un sindrome nefrótico con excelente respuesta al tratamiento corticoideo, que en 80 por ciento de los casos evoluciona con empujes y recaídas y sin deterioro de la función renal. Se discuten los resultados del tratamiento, la iatrogenia corticoidea en los pacientes recaedores frecuentes y corticodependientes y los beneficios de la asociación de drogas citotóxicas


Subject(s)
Humans , Male , Female , Nephrosis, Lipoid/etiology , Nephrosis, Lipoid/physiopathology , Nephrosis, Lipoid/drug therapy , Nephrotic Syndrome/drug therapy , Prednisone/therapeutic use , Cyclophosphamide/therapeutic use , Nephrosis, Lipoid/pathology , Nephrotic Syndrome/complications
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