Abstract
Background
Long-term steroid treatment in children is known to cause obesity and negatively affect growth. The objective of this study was to determine the prevalence of obesity and overweight and analyze linear growth in children with nephrotic syndrome.
Methods
The study involved 265 children treated with glucocorticoids for nephrotic syndrome for a mean duration of 43 months (range: 6–167, IQR: 17, 63.3). Height, weight, and BMI SDS were recorded at each visit. Rate of change between the final and initial height, weight, and BMI was calculated (Δ score). The cumulative steroid dose (mg/kg/day) during follow-up was calculated. Relapses without significant edema were treated with low-dose steroids and steroid-sparing drugs were used in children with steroid dependency/frequent relapses.
Results
Mean first BMI SDS was + 1.40 ± 1.30 and final + 0.79 ± 1.30. At initial assessment, 41.4% of the patients were obese (BMI ≥ 95th percentile) and 19.5% were overweight (BMI 85th–95th percentile). At the last clinical visit, 24% were obese and 17% overweight. The children had lower BMI SDS at last clinical visit compared to initial assessment. Mean first height SDS of the cohort was − 0.11 ± 1.22 and final score 0.078 ± 1.14 (p < 0.0001). Almost 85% of patients were treated with steroid-sparing drugs.
Conclusions
Our results indicate that children with nephrotic syndrome, despite a need for steroid treatment for active disease, can improve their obesity and overweight and also improve their linear growth from their first to last visit with us.
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Acknowledgements
We thank the Turkish Society of Nephrology for funding a research travel grant to Dr. Nilüfer Göknar for travel to the UK, and Prof. Dr. Türkay Sarıtaş for assistance with the statistics.
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The study complied with the Declaration of Helsinki and was approved by the institutional audit review committee of Great Ormond Street Children’s Hospital.
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Göknar, N., Webb, H., Waters, A. et al. Long-term obesity prevalence and linear growth in children with idiopathic nephrotic syndrome: is normal growth and weight control possible with steroid-sparing drugs and low-dose steroids for relapses?. Pediatr Nephrol 37, 1575–1584 (2022). https://doi.org/10.1007/s00467-021-05288-1
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DOI: https://doi.org/10.1007/s00467-021-05288-1