Konanki R, Akella RRD, Panigrahy N, Chirla DK, Mohanlal S, Lankala R. Mitochondrial carbonic anhydrase VA deficiency in three Indian infants manifesting early metabolic crisis.
Brain Dev 2020;
42:534-8. [PMID:
32381389 DOI:
10.1016/j.braindev.2020.04.007]
[Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 04/04/2020] [Accepted: 04/19/2020] [Indexed: 12/13/2022]
Abstract
BACKGROUND
Hyperammonemia and hyperlactatemia in neonates and young children with non-specific biochemical markers poses a diagnostic challenge. An accurate diagnosis is essential for effective management.
CASE REPORTS
We present three infants from unrelated families, one with infantile and two with neonatal hyperammonemic encephalopathy, hypoglycaemia, and hyperlactatemia. The underlying cause was confirmed following whole exome sequencing as biochemical markers were not conclusive of a definite diagnosis.
CONCLUSION
The combination of hyperammonemic encephalopathy, hyperlactatemia and hypoglycemia in neonates and infants should prompt physicians to suspect Carbonic anhydrase VA deficiency. Majority of these children can have a favourable long-term outcome with symptomatic treatment.
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