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Vol. 20. Issue 4.
Pages 199-203 (April 2024)
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Vol. 20. Issue 4.
Pages 199-203 (April 2024)
Original article
Investigating the comparative effect of vitamin D level with the type of complications in Henoch Schönlein purpura and Kawasaki disease
Investigación del efecto comparativo del nivel de vitamina D con el tipo de complicaciones en la púrpura de Henoch-Schönlein y la enfermedad de Kawasaki
Mehrnoush Hassas Yeganeha, Reza Sinaeib,c, Mitra Rouhid,
Corresponding author
m.rouhi92@gmail.com

Corresponding author.
, Reza Shiarie, Vadood Javadi Parvanehd, Khosro Rahmanif, Erfan Sheikhbahaeig
a Shahid Beheshti University of Medical Sciences, Tehran, Iran
b Department of Pediatrics, School of Medicine, Kerman University of Medical Sciences, Kerman, Iran
c Clinical Research Development Unit, Afzalipour Hospital, Kerman University of Medical Sciences, Kerman, Iran
d Department of Pediatrics, School of Medicine, Mofid Children's Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
e Department of Pediatric Rheumatology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
f Department of Pediatric Rheumatology, School of Medicine, Mofid Children's Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
g School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
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Figures (1)
Tables (6)
Table 1. Vitamin D levels in the two groups with and without renal involvement in Henoch Schönlein Purpura patients.
Table 2. Vitamin D levels in both groups with and without hematuria in Henoch Schönlein Purpura patients.
Table 3. Vitamin D levels in the two groups with proteinuria and non-proteinuria in Henoch Schönlein Purpura patients.
Table 4. Vitamin D levels in two groups with and without heart disease in Kawasaki patients.
Table 5. Vitamin D levels in the two groups with and without coronary dilatation in Kawasaki patients.
Table 6. Comparison of vitamin D levels in the two groups with and without coronary wall irregularities in Kawasaki patients.
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Abstract
Introduction and objectives

Henoch Schönlein purpura (HSP) and Kawasaki disease (KD) are two main inflammatory diseases among childhood vasculitis. Considering the anti-inflammatory effects of 25-hydroxyvitamin D3, we decided to investigate the association of serum 25-hydroxy vitamin D3 level with the type and severity of these conditions.

Materials and methods

The present study was performed as a historical cohort of 254 affected children with KD and HSP vasculitis. The required data were extracted, using a researcher-made questionnaire from patients’ electronic file, and then they were analyzed after collecting information of the patients.

Results

In HSP group, 54% of participants were boys. Similarly, in KD group, boys were more affected than girls. The comparative 25-hydroxyvitamin vitamin D3 level in HSP patients with and without renal involvement (P=0.02), hematuria (P=0.14), and in two groups with and without heart disease, and also with and without coronary artery dilatation in KD patients (P<0.001) were significant.

Discussion and conclusions

The findings showed that insufficient level of vitamin D3 were significantly associated with the exacerbation of complications of both diseases, and therefore it seems that vitamin D deficiency can be an effective predictive factor of severity in HSP and KD patients.

Keywords:
Henoch Schönlein purpura
Kawasaki disease
25-Hydroxyvitamin D3
Children
Complications
Resumen
Introducción y objetivos

La púrpura de Henoch-Schönlein (HSP) y la enfermedad de Kawasaki (EK) son dos patologías inflamatorias principales entre las vasculitis infantiles. Teniendo en cuenta los efectos antiinflamatorios de la 25-hidroxivitamina D3, decidimos investigar la asociación del nivel sérico de esta con el tipo y la gravedad de dichas afecciones.

Materiales y métodos

El presente estudio se realizó como una cohorte histórica de 254 niños afectados con vasculitis por EK y HSP. Los datos requeridos se extrajeron mediante un cuestionario elaborado por un investigador del expediente electrónico de los pacientes y se analizaron después de recopilar la información de los usuarios.

Resultados

En el grupo HSP, 54 y 46% de los participantes eran niños y niñas, respectivamente. De manera similar, en el grupo KD, los varones se vieron más afectados. El nivel comparativo de 25-hidroxivitamina D3 en pacientes con HSP con y sin afectación renal (p = 0,02), hematuria (p = 0,14), y en dos grupos con y sin enfermedad cardiaca, y en dos con y sin dilatación de la arteria coronaria en usuarios con EK (p < 0,001) fueron significativos.

Discusión y conclusiones

Los hallazgos mostraron que los niveles insuficientes de vitamina D se asociaron significativamente con la exacerbación de las complicaciones de ambas enfermedades, por lo que parece que la deficiencia de vitamina D puede ser un factor predictivo eficaz de la gravedad en pacientes con HSP y EK.

Palabras clave:
Púrpura de Henoch-Schönlein
Enfermedad de Kawasaki
Vitamina D
25-Hidroxivitamina D3
Complicaciones

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