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Published on: January 26, 2018
Ocular complications in children with nephrotic syndrome on long term oral steroids
S Gaur1, M Joseph, S Nityanandam
1Department of Pediatric Nephrology, St John's Medical College Hospital, Bangalore, India.
Insights
Steroid therapy for nephrotic syndrome can cause posterior subcapsular cataract (PSCC) and raised intraocular pressure (IOP) in children. Regular eye exams are crucial, as cumulative steroid dose and duration did not correlate with these ocular complications.
Area of Science:
- Pediatric Nephrology
- Ophthalmology
- Pharmacology
Background:
- Long-term steroid therapy is common for childhood nephrotic syndrome.
- Steroids can lead to ocular complications like posterior subcapsular cataract (PSCC) and raised intraocular pressure (IOP).
- The relationship between steroid dosage/duration and these complications in children requires further investigation.
Purpose of the Study:
- To determine the prevalence of PSCC and raised IOP in children with nephrotic syndrome on long-term steroid treatment.
- To assess the correlation between cumulative steroid dosage and duration of therapy with the development of PSCC and raised IOP.
Main Methods:
- Cross-sectional study including children aged 4-18 years with nephrotic syndrome on steroids for at least six months.
- Data collected from case records included demographic, clinical, and treatment details.
- Comprehensive ocular examinations were performed to diagnose PSCC and measure IOP.
Main Results:
- Out of 82 children analyzed, 26.8% had PSCC and 10.97% had raised IOP.
- PSCC was significantly associated with older age at recruitment (p=0.009).
- No significant correlation was found between cumulative steroid dose (p=0.58) or duration of therapy (p=0.73) and the presence of PSCC or raised IOP.
Conclusions:
- A notable proportion of children with nephrotic syndrome on long-term steroids develop PSCC and raised IOP.
- Neither cumulative steroid dose nor duration of therapy showed a significant association with these ocular issues.
- Regular ophthalmic evaluations are essential for early detection and management of steroid-induced ocular complications in this pediatric population.
Objectives:
To estimate the burden of ocular complications like posterior subcapsular cataract (PSCC) and raised intra ocular pressure (IOP) in children with nephrotic syndrome on long term steroid therapy and to assess the correlation of cumulative dosage and duration of consumption of steroids with these ocular complications.
Methods:
Children between 4-18 y with nephrotic syndrome, who received steroids for at least six months, were included in this cross sectional study. Demographic, clinical and treatment details were obtained from case records. Detailed ocular evaluation was performed to detect PSCC and to measure IOP.
Results:
One hundred and eighteen children were screened and 82 with a median (IQR=Interquartile range) follow up of 4.2 y (2.4, 6.3 y) were included in the final analysis. The median (IQR) age of children was 9.3 y (6, 12.5 y) at recruitment. The proportion of children with PSCC and raised IOP were 22/82 (26.8 %) and 9/82 (10.97 %) respectively. PSCC was associated with older age (p = 0.009). The median cumulative dose of steroids in those with and without cataract was 338.4 mg/kg and 343.2 mg/kg respectively (p = 0.58). The median duration of steroid theraphy was 58 wk and 59 wk in the two groups respectively (p = 0.73). Of children with PSCC, 9 (42.8 %) had mild diminution of vision.
Conclusions:
One in 4 and 1 in 9 children with nephrotic syndrome in the present study had PSCC and raised IOP respectively. Cumulative dose and duration of steroid therapy were not significantly associated with PSCC or raised IOP. The present study emphasizes the need for regular ocular evaluation and also to explore additional factors in causation of steroid induced ocular complications.
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