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Updated: Jul 7, 2025
Analyses of Proteinuria, Renal Infiltration of Leukocytes, and Renal Deposition of Proteins in Lupus-prone MRL/lpr Mice
Published on: June 8, 2022
Clinical characteristics and prognosis of childhood-onset lupus mesenteric vasculitis as the initial presentation-a
Jia Zhu1, Jianming Lai1, Xiaohui Liu2
1Department of Rheumatology and Immunology, Children's Hospital, Capital Institute of Pediatrics. , NO.2 Yabao Road, Chaoyang District, Beijing, 100020, China.
Background:
Lupus mesenteric vasculitis (LMV) as initial presentation is rare, especially in childhood-onset systemic lupus erythematosus (cSLE). It is a critical complication of lupus. At present, the research on cSLE with LMV as the initial presentation is few. The aim of this study was to analyze the clinical characteristics and prognosis of cSLE with LMV in the Chinese population, compared with non-LMV cSLE.
Methods:
A retrospective case-controlled study was conducted on 55 cSLE patients between July 2018 and July 2021. The clinical data, laboratory findings, imaging, treatment, and follow-up data were collected and compared between the two groups of cSLE with LMV and non-LMV. Non-LMV cSLE patients were matched according to the age and sex of LMV patients.
Results:
A total of 11 cSLE patients with LMV as the LMV group and 44 cSLE patients without LMV as the non-LMV group were included. The average age of onset was 12.55 ± 1.57 years old, the male-to-female ratio was 2:9, and high disease activity was observed in the LMV group. Abdominal pain was most common in LMV. Compared with the non-LMV, the percentage of abdominal pain, vomiting, abdominal distension, and diarrhea was higher, and gastrointestinal tract, serous cavity, kidney, and lung damage were higher in the LMV group (P < 0.05). In abdominal-enhanced CT, the percentage of intestinal wall thickening, peritoneal effusion, mesenteric vascular enhancement, hydronephrosis with ureteral dilatation, intestinal congestion, and gastric mucosa thickening in the LMV group were higher than those in the non-LMV group (P < 0.05). The percentage of receiving methylprednisolone pulse combined with cyclophosphamide pulse therapy in LMV was higher than in non-LMV. The clinical symptoms disappeared quickly, and there were no deaths in the LMV group. Compared with the non-LMV group, the 24-h urinary protein was higher, the complement C3 was lower, and the disease activity was higher in the LMV group (P < 0.05).
Conclusions:
LMV often occurs in 12 ~ 13-year-old girls with high disease activity of cSLE. Abdominal pain is the most common and more susceptible to damage to the kidney, serous cavity, and lung in cSLE with LMV. Methylprednisolone pulse combined with CTX pulse therapy is effective. After the treatment above, cSLE with LMV has a good prognosis, but the overall recovery is worse than non-LMV patients.
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