Abstract
Infantile primary hyperoxaluria type 1 (PH1) is the most devastating primary hyperoxaluria (PH) subtype as it leads to early end-stage kidney disease (ESKD) associated with high mortality. We report a case of a three-month-old female Chinese infant who was diagnosed with PH1 by renal biopsy and genetic studies. She carried two heterozygous mutations in the alanine-glyoxylate and serine pyruvate aminotransferase (AGXT) gene, one of which has never been previously reported. The patient had multiple organ failures caused by kidney failure, which was improved by extracorporeal membrane oxygenation and continuous renal replacement therapy. However, her primary disease responded poorly to conservative treatment. Fortunately, after waiting for four months, the patient underwent a successful combined liver-kidney transplantation and has progressed well so far. This case highlights the importance of suspecting PH in infant patients with ESKD of uncertain etiology, as early initiation of therapy prevents poor outcomes.
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