Renal function in children after large dose contrast medium angiocardiography.

Area of Science:

• Pediatric Nephrology
• Pediatric Cardiology
• Diagnostic Imaging

Background:

• Children with congenital heart disease (CHD) often require diagnostic imaging.
• Contrast media used in these procedures may pose a risk to renal function.
• Assessing the impact of contrast media on kidney function in this population is crucial.

Purpose of the Study:

• To evaluate the effect of standard contrast media doses on renal function in children with CHD undergoing cardiac catheterization.
• To determine if varying doses of contrast media impact estimated glomerular filtration rate (eGFR) or serum creatinine levels.

Main Methods:

• Prospective study of 56 children with CHD and normal baseline renal function.
• Measurement of serum creatinine and routine urinalysis before, 1 day after, and 7 days after cardiac catheterization and angiocardiography.
• Estimation of glomerular filtration rate (GFR) and division of patients into two groups based on contrast media volume (<3 ml/Kg vs. >3 ml/Kg).

Main Results:

• No statistically significant changes in serum creatinine or eGFR were observed in either group post-procedure.
• Transient, mild proteinuria was noted in a small number of patients in both groups.
• Pre-existing or procedure-induced hematuria resolved post-procedure.

Conclusions:

• Standard doses of contrast media administered during angiocardiography do not appear to impair renal function in children with CHD and normal kidney function.
• The findings suggest that contrast-enhanced imaging is relatively safe for the kidneys in this pediatric cohort.
• Further research could explore long-term effects or specific subgroups at higher risk.