Resumo

UNGARO, Catalina M; ODSTRCIL-BOBILLO, M. Silvina  e  RUSSO, Paula M. Síndrome de Gitelman. Medicina (B. Aires) [online]. 2020, vol.80, n.1, pp.87-90. ISSN 0025-7680.

Gitelman syndrome is one of the salt losing tubulopathies. Hypokalemia and hypomagnesemia appear in the setting of the partial blockade of salt absorption in the distal tubule. We conducted a descriptive study of a case series of five patients with Gitelman syndrome (4 women, from 28 to 85 years) in our institution, between the years 2004 and 2015. The most frequent form of diagnosis in our series was by laboratory finding. The only acknowledged clinical symptom was malaise. Regarding laboratory findings, the mean potassemia was of 2.5 ± 0.5 mmol/l, with a minimum value of 2.1 mmol/l. Additionally, the serum magnesium value was of 1.3 ± 0.3 mg/dl. In conclusion, we observed that the forms of presentation consist of biochemical alterations with or without nonspecific manifestations, which currently represents the greatest diagnostic difficulty and reinforces the importance to achieve a timely diagnosis, especially in young patients with critical serum potassium values.

Palavras-chave : Gitelman syndrome; Hypokalemia; Hypomagnesemia.

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