Clinical phenotypes and genetic analysis of 30 children with Gitelman syndrome - Takeaways - MDSpire

Clinical phenotypes and genetic analysis of 30 children with Gitelman syndrome

  • By

  • Wenyan Wang

  • Fei Zhao

  • Guixia Ding

  • Songming Huang

  • Xueqin Cheng

  • June 23, 2026

  • 0 min

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  • 1

    The study analyzed clinical and genetic data from 30 pediatric cases of Gitelman syndrome (GS) in China from 2015 to 2025.

  • 2

    Common symptoms in pediatric GS included muscle weakness (50%) and limb numbness (40%), with all patients exhibiting hypokalemia.

  • 3

    Genetic testing revealed 55 SLC12A3 variants, including 6 novel mutations, with c.1456G > A (p.D486N) and c.179C > T (p.T60M) being the most frequent.

  • 4

    Severe hypokalemia (<2.5 mmol/L) was linked to complications such as tetany, dyslipidemia, and increased urinary potassium excretion.

  • 5

    The study concluded that pediatric GS presents significant clinical heterogeneity, and genotype-phenotype correlations were not clearly defined.

Original Source(s)

Clinical phenotypes and genetic analysis of 30 children with Gitelman syndrome

  • by Wenyan Wang, Fei Zhao, Guixia Ding, Songming Huang, Xueqin Cheng

  • June 23, 2026

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