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Rev. chil. pediatr ; 91(4): 521-528, ago. 2020. tab
Artigo em Espanhol | LILACS | ID: biblio-1138666

RESUMO

Resumen: Introducción: Al menos 50% de los pacientes pediátricos portadores de artritis idiopática juvenil (AIJ) continuará control en reumatología adulto. La clasificación de la Liga Internacional de Asociaciones de Reumatología (ILAR) vigente, actualmente en revisión, difiere de la clasificación de las artritis inflamatorias del adulto. Se ha reportado cambios de categoría en 10,8% de los pacientes durante el seguimiento. Objetivo: Analizar los pacientes con AIJ seguidos al menos 7 años para objetivar cambios de diagnós tico en la transición, e identificar factores de mal pronóstico funcional. Pacientes y Método: Estudio retrospectivo en base a registros clínicos. Se incluyó a la totalidad de los pacientes con AIJ controla dos en policlínico pediátrico del Hospital de Puerto Montt entre el año 2005 y 2017, que cumplieron siete o más años de seguimiento. Se realizó análisis descriptivo en base a variables clínicas: categoría diagnóstica, tiempo de evolución al diagnóstico, actividad clínica y serológica, y tiempo de evolución al inicio de la terapia farmacológica. Resultados: Se evaluaron 18 pacientes, 3 Oligo-articular (OA) persistente, 1 OA extendida, 4 Poli-articular (PA) factor reumatoide (FR) negativo, 4 PA FR positivo, 5 Sistémicas, 1 Psoriática, todos con seguimiento mayor a 7 años. Once de 18 niños fueron transfe ridos a adultos. Tres de 11 cambiaron de diagnóstico a Artritis Reumatoide (AR) más otra enferme dad autoinmune: Síndrome de Sjögren + Lupus eritematoso sistémico, Púrpura trombocitopénico inmune, Enfermedad autoinmune no clasificada y cinco de 11 niños de categoría ILAR: OA a Artritis reumatoide juvenil, OA extendida a PA FR negativo, 3 Sistémicas a PA FR negativo. Edad de inicio, formas poli-articulares, retrasos en diagnóstico y comienzo de terapia se asociaron a secuelas e infla mación persistente. Conclusiones: Ocho de once pacientes transferidos cambiaron denominación diagnóstica y/o presentaron otras enfermedades autoinmunes. Algunos factores de mal pronóstico deben mejorar.


Abstract: Introduction: At least 50% of pediatric patients with Juvenile Idiopathic Arthritis (JIA) will require continued fo llow-up in adult rheumatology. The present International League of Associations for Rheumatology (ILAR) classification, currently under revision, differs from its classification of inflammatory arthritis in adults. Category changes have been reported in 10.8% of patients during follow-up. Objective: To analyze JIA patients in follow-up for at least 7 years to detect diagnosis changes during transition to adult care, identifying factors of poor functional prognosis. Patients and Method: Retrospective study based on medical records of JIA patients seen at the pediatric polyclinic of the Puerto Montt Hospital between 2005 and 2017, who were monitored for at least 7 years. Descriptive analysis was performed according to clinical variables: diagnostic category, evolution before diagnosis, clinical and serological activity, and evolution before starting drug therapy. Results: We evaluated 18 pa tients, corresponding to 3 patients with persistent oligoarticular arthritis (OA), 1 with extended OA, 4 with polyarticular arthritis (PA) rheumatoid factor (RF) negative, 4 with PA RF positive, 5 with syste mic JIA, and 1 with psoriatic arthritis, all have had follow-up more than 7 years. 11 out of 18 patients transitioned to adult care. Three out of 11 patients changed diagnosis to Rheumatoid Arthritis (RA) plus another autoimmune disease such as Sjögren's Syndrome + Systemic Lupus Erythematosus, Immune thrombocytopenia, or unclassified autoimmune disease, and 5 out of 11 children changed ILAR category from OA to Juvenile Rheumatoid Arthritis, extended OA to PA RF negative, and 3 from Systemic arthritis to PA RF negative. Age of onset, polyarticular forms, delay in diagnosis, and the start of therapy were associated with sequelae and persistent inflammation. Conclusions: Eight of the eleven JIA patients who transitioned to adult care changed their diagnosis or presented other autoimmune diseases. Some factors of poor prognosis must improve.


Assuntos
Humanos , Masculino , Feminino , Adulto Jovem , Artrite Juvenil/diagnóstico , Transição para Assistência do Adulto , Artrite Juvenil/classificação , Artrite Juvenil/complicações , Artrite Juvenil/terapia , Artrite Reumatoide/classificação , Artrite Reumatoide/complicações , Artrite Reumatoide/diagnóstico , Artrite Reumatoide/terapia , Prognóstico , Artrite Psoriásica/complicações , Artrite Psoriásica/diagnóstico , Artrite Psoriásica/terapia , Estudos Retrospectivos , Seguimentos , Púrpura Trombocitopênica Idiopática/complicações , Púrpura Trombocitopênica Idiopática/diagnóstico , Púrpura Trombocitopênica Idiopática/terapia , Assistência ao Convalescente , Progressão da Doença , Lúpus Eritematoso Sistêmico/complicações , Lúpus Eritematoso Sistêmico/diagnóstico , Lúpus Eritematoso Sistêmico/terapia
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