Modern rheumatology · 2026
Validation of the 2019 EULAR/ACR classification criteria and clinical characteristics of childhood-onset Japanese patients with systemic lupus erythematosus.
СтатьяВалидационное исследованиеНазвание и аннотация: Перевод в очереди
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Irabu Hitoshi, Ohara Asami, Nakamura Aki, Narazaki Hidehiko, Hayashi Yuko, Yamasaki Yuichi, Iwata Naomi, Ohshima Shiro, Nishiyama Susumu, Nakagishi Yasuo, Fukuhara Daisuke, Ishida Hiroyuki, Goto Miwa, Hashimoto Kunio, Yasuoka Ryuhei, Nozawa Tomo, Miyamae Takako, Umebayashi Hiroaki, Mori Masaaki, Shimizu Masaki
Аннотация
OBJECTIVES: This study aimed to evaluate the diagnostic performance of the 2019 European League Against Rheumatism/American College of Rheumatology (EULAR/ACR-2019) classification criteria of systemic lupus erythematosus (SLE) and to clarify the clinical characteristics of Japanese childhood-onset SLE (cSLE).
METHODS: We retrospectively analyzed clinical data registered in the Paediatric Rheumatology International Collaboration Unit Registry (PRICURE) version 2 up to March 31, 2023. Frequencies of individual items within the EULAR/ACR-2019 criteria were compared with those observed in a Japanese adult SLE cohort.
RESULTS: A total of 105 patients with cSLE, 19 with Juvenile dermatomyositis (JDM), 27 with primary Sjögren's disease (pSjD), and 9 with mixed connective-tissue disease (MCTD) were included. The sensitivity of the EULAR/ACR-2019 criteria was 97.1%. The specificity was 94.7% for JDM, 92.6% for pSjD, 55.6% for MCTD, and 87.3% for all disease controls. cSLE patients in this cohort more frequently exhibited renal involvement, low serum C3 or C4 levels, and positivity for antiphospholipid and anti-double-stranded DNA antibodies, but joint symptoms were less common than in adult SLE patients.
CONCLUSIONS: Although the EULAR/ACR-2019 criteria are generally applicable, the limited specificity for MCTD necessitates careful differential diagnosis. Japanese cSLE is commonly characterized by renal involvement, hypocomplementemia, and SLE-related autoantibody positivity.
METHODS: We retrospectively analyzed clinical data registered in the Paediatric Rheumatology International Collaboration Unit Registry (PRICURE) version 2 up to March 31, 2023. Frequencies of individual items within the EULAR/ACR-2019 criteria were compared with those observed in a Japanese adult SLE cohort.
RESULTS: A total of 105 patients with cSLE, 19 with Juvenile dermatomyositis (JDM), 27 with primary Sjögren's disease (pSjD), and 9 with mixed connective-tissue disease (MCTD) were included. The sensitivity of the EULAR/ACR-2019 criteria was 97.1%. The specificity was 94.7% for JDM, 92.6% for pSjD, 55.6% for MCTD, and 87.3% for all disease controls. cSLE patients in this cohort more frequently exhibited renal involvement, low serum C3 or C4 levels, and positivity for antiphospholipid and anti-double-stranded DNA antibodies, but joint symptoms were less common than in adult SLE patients.
CONCLUSIONS: Although the EULAR/ACR-2019 criteria are generally applicable, the limited specificity for MCTD necessitates careful differential diagnosis. Japanese cSLE is commonly characterized by renal involvement, hypocomplementemia, and SLE-related autoantibody positivity.