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Familial thrombotic microangiopathy in a child with coenzyme Q10 deficiency-associated glomerulopathy.
- Source :
-
Pediatric Nephrology . Sep2024, p1-4. - Publication Year :
- 2024
-
Abstract
- We report a child with biallelic <italic>COQ6</italic> variants presenting with familial thrombotic microangiopathy (TMA). A Chinese boy presented with steroid-resistant nephrotic syndrome at 8 months old and went into kidney failure requiring peritoneal dialysis at 15 months old. He presented with hypertensive encephalopathy with the triad of microangiopathic haemolytic anaemia, thrombocytopenia, and acute on chronic kidney injury at 25 months old following a viral illness. Kidney biopsy showed features of chronic TMA. He was managed with supportive therapy and plasma exchanges and maintained on eculizumab. However, he had another TMA relapse despite complement inhibition a year later. Eculizumab was withdrawn, and supportive therapies, including ubiquinol (50 mg/kg/day) and vitamins, were optimized. He remained relapse-free since then for 4 years. Of note, his elder sister succumbed to multiple organ failure with histological evidence of chronic TMA at the age of 4. Retrospective genetic analysis revealed the same compound heterozygous variants in the <italic>COQ6</italic> gene. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 0931041X
- Database :
- Academic Search Index
- Journal :
- Pediatric Nephrology
- Publication Type :
- Academic Journal
- Accession number :
- 179410513
- Full Text :
- https://doi.org/10.1007/s00467-024-06496-1