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1.
Reumatol Clin (Engl Ed) ; 20(4): 187-192, 2024 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-38644029

RESUMO

INTRODUCTION AND OBJECTIVES: Magnetic resonance imaging (MRI) sensitivity and specificity seem to be less studied in enthesitis-related arthritis (ERA). We aimed to determine the ability of sacroiliac MRI to diagnose ERA patients. MATERIALS AND METHODS: We conducted a retrospective study including 44 patients with juvenile idiopathic arthritis (JIA). Each patient had a sacroiliac joint MRI. We divided patients into two groups: G1 patients with ERA and G2 patients with non-ERA subtype. RESULTS: ERA was noted in 61% of the cases. Sacroiliac joints were painful in 15 patients (34%). MRI was normal in 25 patients (57%) (G1:11 versus G2:14) and showed bone marrow edema in the sacroiliac joints in 19 patients (34%) (G1=16 versus G2=3, p=0.005). Sacroiliac joints MRI's sensitivity and specificity in the ERA diagnosis were 61.54% and 82.35%, respectively. Positive and negative predictive values were 84.21% and 58.33%, respectively. Furthermore, sacroiliac joint pain in the clinical examination was able to predict sacroiliac bone edema in MRI with an odds ratio of 6.8 (95% CI 1.68-28.09; p=0.006). CONCLUSION: Our study showed that sacroiliac joint MRI has good specificity and positive predictive value in the diagnosis of ERA patients among JIA patients. This underlines the usefulness of sacroiliac joint MRI in the early diagnosis of ERA patients.


Assuntos
Artrite Juvenil , Imageamento por Ressonância Magnética , Sacroileíte , Sensibilidade e Especificidade , Humanos , Sacroileíte/diagnóstico por imagem , Estudos Retrospectivos , Masculino , Feminino , Artrite Juvenil/complicações , Artrite Juvenil/diagnóstico , Criança , Adolescente , Articulação Sacroilíaca/diagnóstico por imagem , Pré-Escolar
2.
Reumatol. clín. (Barc.) ; 20(4): 187-192, Abr. 2024. tab
Artigo em Inglês | IBECS | ID: ibc-232371

RESUMO

Introduction and objectives: Magnetic resonance imaging (MRI) sensitivity and specificity seem to be less studied in enthesitis-related arthritis (ERA). We aimed to determine the ability of sacroiliac MRI to diagnose ERA patients. Materials and methods: We conducted a retrospective study including 44 patients with juvenile idiopathic arthritis (JIA). Each patient had a sacroiliac joint MRI. We divided patients into two groups: G1 patients with ERA and G2 patients with non-ERA subtype. Results: ERA was noted in 61% of the cases. Sacroiliac joints were painful in 15 patients (34%). MRI was normal in 25 patients (57%) (G1:11 versus G2:14) and showed bone marrow edema in the sacroiliac joints in 19 patients (34%) (G1=16 versus G2=3, p=0.005). Sacroiliac joints MRI's sensitivity and specificity in the ERA diagnosis were 61.54% and 82.35%, respectively. Positive and negative predictive values were 84.21% and 58.33%, respectively. Furthermore, sacroiliac joint pain in the clinical examination was able to predict sacroiliac bone edema in MRI with an odds ratio of 6.8 (95% CI 1.68–28.09; p=0.006). Conclusion: Our study showed that sacroiliac joint MRI has good specificity and positive predictive value in the diagnosis of ERA patients among JIA patients. This underlines the usefulness of sacroiliac joint MRI in the early diagnosis of ERA patients.(AU)


Introducción y objetivos: La sensibilidad y especificidad de la resonancia magnética parecen estar menos estudiadas en la artritis relacionada con entesitis (ERA). Nuestro objetivo era determinar la capacidad de la resonancia magnética de la articulación sacroilíaca para diagnosticar pacientes con ERA. Materiales y métodos: Realizamos un estudio retrospectivo que incluyó a 44 pacientes con artritis idiopática juvenil (AIJ). A cada paciente se le realizó una resonancia magnética de la articulación sacroilíaca. Dividimos a los pacientes en dos grupos: G1: pacientes con ERA y G2: pacientes con subtipo no ERA. Resultados: Se observó ERA en 61% de los casos. Las articulaciones sacroilíacas resultaron dolorosas en 15 pacientes (34%). La resonancia magnética fue normal en 25 pacientes (57%) (G1:11 vs. G2:14) y mostró edema de médula ósea en las articulaciones sacroilíacas en 19 pacientes (34%) (G1=16 vs. G2=3, p=0,005). La sensibilidad y especificidad de la resonancia magnética de articulaciones sacroilíacas en el diagnóstico de ERA fueron de 61,54 y 82,35%, respectivamente. Los valores predictivos positivos y negativos fueron 84,21 y 58,33%, respectivamente. Además, el dolor en la articulación sacroilíaca en el examen clínico fue capaz de predecir el edema del hueso sacroilíaco en la resonancia magnética con un odds ratio de 6,8 (IC 95%: 1,68 a 28,09; p=0,006). Conclusión: Nuestro estudio demostró que la resonancia magnética de la articulación sacroilíaca tiene buena especificidad y valor predictivo positivo en el diagnóstico de pacientes con ERA entre pacientes con AIJ. Esto subraya la utilidad de la resonancia magnética de la articulación sacroilíaca en el diagnóstico temprano de pacientes con ERA.(AU)


Assuntos
Humanos , Masculino , Feminino , Sacroileíte/diagnóstico , Artrite , Espectroscopia de Ressonância Magnética , Articulação Sacroilíaca/diagnóstico por imagem , Artrite Juvenil , Reumatologia , Doenças Reumáticas , Sensibilidade e Especificidade , Estudos Retrospectivos
3.
Rev. cuba. reumatol ; 24(4)dic. 2022.
Artigo em Espanhol | LILACS, CUMED | ID: biblio-1530179

RESUMO

El dolor lumbar en los adolescentes es causa frecuente de motivo de consulta en reumatología y obedece a diferentes causas. Se presenta un caso clínico de un adolescente de 14 años de edad, de procedencia rural que acudió a consulta refiriendo dolor y aumento de volumen de ambas rodillas de 3 meses de evolución, acompañado de dolor lumbar desde hacía más de 2 años y que había requerido tratamiento con antinflamatorios no esteroideos y reposo, sin otros síntomas sistémicos acompañantes. Al examen físico se encontró artritis de rodillas, aumento de la cifosis fisiológica en la columna dorsal y puntos sacroilíacos positivos. En los exámenes complementarios fue significativa la presencia del HLA-B27, sinovitis en bolsa subcuadricipital bilateral detectada mediante ultrasonido de rodillas, así como hallazgos en las radiografías a nivel de los cuerpos de las vértebras lumbares característicos de la enfermedad de Scheuermann, y esclerosis de ambas sacroilíacas, características de artritis idiopática juvenil. Se concluyó que el paciente padecía de dos afecciones que por mecanismos diferentes causan dolor lumbar(AU)


Low back pain in adolescents is a frequent reason for consultation in rheumatology and is due to different causes. A clinical case of a 14-year-old adolescent from rural origin who comes to the clinic reporting pain and volume increase in both knees of three months of evolution accompanied by low back pain of more than two years of evolution that had required treatment is presented. with non-steroidal anti-inflammatory drugs and rest, without other accompanying systemic symptoms, physical examination revealed knee arthritis, increased physiological kyphosis in the thoracic spine and positive sacroiliac points. In the complementary tests, the presence of HLA-B27, synovitis in the bilateral sub quadriceps bursa on ultrasound of the knees, findings in the radiographs at the level of the bodies of the lumbar vertebrae characteristic of Scheuermann's disease, and sclerosis of both sacroiliacs' characteristic of juvenile idiopathic arthritis, it is concluded that the patient suffers from two conditions, which by different mechanisms cause low back pain(AU)


Assuntos
Humanos , Masculino , Adolescente , Artrite Juvenil/diagnóstico , Doença de Scheuermann/epidemiologia , Dor Lombar/tratamento farmacológico
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