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KMID : 1040420230270020117
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Childhood Kidney Diseases
2023 Volume.27 No. 2 p.117 ~ p.120
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Renal artery stenosis presenting as congenital nephrotic syndrome with hyponatremic hypertensive syndrome in a 2-month-old infant: a case report
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Kim Da-Bin
Ahn Yo-Han
Kang Hee-Gyung
Kim Ji-Hyun
Lim Seon-Hee
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Abstract
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Here, we present the case of a 2-month-old male infant with hyponatremic hypertensive syndrome resulting from stenosis of the right proximal and mid-renal arteries. The patient exhibited nephrotic-range proteinuria, low serum albumin, increased serum creatinine, and elevated renin and aldosterone levels. Doppler ultrasonography and computed tomography angiography revealed decreased vascular flow in the small right renal artery. Following a successful percutaneous balloon angioplasty, the patient experienced a decrease in blood pressure and normalization of serum electrolyte levels within a few days. However, it took 3 months for the proteinuria to resolve completely. This case is significant as it represents the first reported instance of a neonate presenting with clinical features resembling congenital nephrotic syndrome caused by renal artery stenosis that was successfully treated with percutaneous renal angioplasty.
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KEYWORD
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Case reports, Hypertension, Hyponatremia, Nephrotic syndrome, Renal artery stenosis
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