ijmedicine

INTERNATIONAL JOURNAL OF ADVANCED MEDICINE (IJAM)

ISSN (O) : 2663 - 046X

A CrossRef Indexed Journal

DOI : 10.34300/26630451

ISSN (P) : 2663 - 0451

IC VALUE : 95.10 (2019)

International Journal of Advanced Medicine (IJAM)
Research Paper

Gitelman Syndrome As A Cause Of Psychomotor Retardation In A Toddler

Dr. R Somsekar, Dr Pooja Pradeep

Abstract :

Introduction: Gitelman syndrome (GS) is a very rare autosomal recessive tubulopathy due to loss-of-function or mutation in solute carrier family12, member 3 gene (SLC12A3 gene) encoding thiazide-sensitive NaCl co- transporter in the distal convoluted tubule, leading to hypokalemia, metabolic alkalosis, hypomagnesemia, hypocalciuria and low-to-normal blood pressure. Clinical signs are mostly secondary to chronic hypokalemia and include dizziness, fatigue, constipation and weakness. Patients can also present with muscle cramps, tetany, fatigue and convulsions due to severe metabolic alkalosis or hypomagnesemia. Manifestations of GS are rarely apparent before the age of five, and the syndrome is usually diagnosed during adolescence or adulthood. Here we describe a case of GS presenting in infancy with hypokalemia and psychomotor retardation.Case Report: We present an 18-month-old boy who presented with psychomotor retardation and failure to thrive. Investigations revealed hypokalemia at 2.7 mmol/L, metabolic alkalosis, hypocalciuria and normal serum magnesium level. The diagnoses of Barter syndrome (BS) and Gitelman syndrome (GS) were considered. Genetic studies confirmed the diagnosis of GS and three different mutations of in SLC12A3 gene were detected. Two mutations (c.2576T>C and c.2929C>Ty) were considered as causal ones, with the patients parents being the heterozygous carriers. Oral potassium supplementation resulted in normalisation of the hypokalemia and psychomotor improvement.Conclusion: We report a rare case of psychomotor retardation occurring at an early age in genetically confirmed GS. In spite of being a rare disorder, GS has to be considered in children with developmental delay and muscle weakness. With adequate treatment, GS patients have an excellent prognosis.

Keywords :

Gitelman Syndrome; Potassium; Hypokalemia; Psychomotor Retardation  

Cite This Article:

GITELMAN SYNDROME AS A CAUSE OF PSYCHOMOTOR RETARDATION IN A TODDLER, Dr.R SOMSEKAR, Dr Pooja Pradeep, INTERNATIONAL JOURNAL OF ADVANCED MEDICINE : Volume-1 | Issue-5 | September-2017

References :


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