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Xu, C. Gitelman Syndrome. Encyclopedia. Available online: https://encyclopedia.pub/entry/4007 (accessed on 15 June 2024).
Xu C. Gitelman Syndrome. Encyclopedia. Available at: https://encyclopedia.pub/entry/4007. Accessed June 15, 2024.
Xu, Camila. "Gitelman Syndrome" Encyclopedia, https://encyclopedia.pub/entry/4007 (accessed June 15, 2024).
Xu, C. (2020, December 23). Gitelman Syndrome. In Encyclopedia. https://encyclopedia.pub/entry/4007
Xu, Camila. "Gitelman Syndrome." Encyclopedia. Web. 23 December, 2020.
Gitelman Syndrome
Edit

Gitelman syndrome is a kidney disorder that causes an imbalance of charged atoms (ions) in the body, including ions of potassium, magnesium, and calcium.

genetic conditions

1. Introduction

The signs and symptoms of Gitelman syndrome usually appear in late childhood or adolescence. Common features of this condition include painful muscle spasms (tetany), muscle weakness or cramping, dizziness, and salt craving. Also common is a tingling or prickly sensation in the skin (paresthesias), most often affecting the face. Some individuals with Gitelman syndrome experience excessive tiredness (fatigue), low blood pressure, and a painful joint condition called chondrocalcinosis. Studies suggest that Gitelman syndrome may also increase the risk of a potentially dangerous abnormal heart rhythm called ventricular arrhythmia.

The signs and symptoms of Gitelman syndrome vary widely, even among affected members of the same family. Most people with this condition have relatively mild symptoms, although affected individuals with severe muscle cramping, paralysis, and slow growth have been reported.

2. Frequency

Gitelman syndrome affects an estimated 1 in 40,000 people worldwide.

3. Causes

Gitelman syndrome is usually caused by mutations in the SLC12A3 gene. Less often, the condition results from mutations in the CLCNKB gene. The proteins produced from these genes are involved in the kidneys' reabsorption of salt (sodium chloride or NaCl) from urine back into the bloodstream. Mutations in either gene impair the kidneys' ability to reabsorb salt, leading to the loss of excess salt in the urine (salt wasting). Abnormalities of salt transport also affect the reabsorption of other ions, including ions of potassium, magnesium, and calcium. The resulting imbalance of ions in the body underlies the major features of Gitelman syndrome.

4. Inheritance

This condition is inherited in an autosomal recessive pattern, which means both copies of the gene in each cell have mutations. The parents of an individual with an autosomal recessive condition each carry one copy of the mutated gene, but they typically do not show signs and symptoms of the condition.

5. Other Names for This Condition

  • familial hypokalemia-hypomagnesemia

  • Gitelman's syndrome

  • GS

  • hypokalemia-hypomagnesemia, primary renotubular, with hypocalciuria

  • tubular hypomagnesemia-hypokalemia with hypocalcuria

References

  1. Cruz DN, Shaer AJ, Bia MJ, Lifton RP, Simon DB; Yale Gitelman's and Bartter's Syndrome Collaborative Study Group. Gitelman's syndrome revisited: an evaluation of symptoms and health-related quality of life. Kidney Int. 2001 Feb;59(2):710-7.
  2. Enríquez R, Adam V, Sirvent AE, García-García AB, Millán I, Amorós F. Gitelmansyndrome due to p.A204T mutation in CLCNKB gene. Int Urol Nephrol. 2010Dec;42(4):1099-102. doi: 10.1007/s11255-010-9850-4.
  3. Jeck N, Konrad M, Peters M, Weber S, Bonzel KE, Seyberth HW. Mutations in the chloride channel gene, CLCNKB, leading to a mixed Bartter-Gitelman phenotype.Pediatr Res. 2000 Dec;48(6):754-8.
  4. Knoers NV, Levtchenko EN. Gitelman syndrome. Orphanet J Rare Dis. 2008 Jul30;3:22. doi: 10.1186/1750-1172-3-22. Review.
  5. Knoers NV. Gitelman syndrome. Adv Chronic Kidney Dis. 2006 Apr;13(2):148-54.Review.
  6. Riveira-Munoz E, Chang Q, Bindels RJ, Devuyst O. Gitelman's syndrome: towards genotype-phenotype correlations? Pediatr Nephrol. 2007 Mar;22(3):326-32.
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