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Familial hypokalemia-hypomagnesemia or Gitelman's syndrome: a further case.
Zarraga Larrondo, S; Vallo, A; Gainza, J; Muñiz, R; Garcia Erauzkin, G; Lampreabe, I.
Afiliação
  • Zarraga Larrondo S; Department of Nephrology, Hospital de Cruces, Bilbao, Spain.
Nephron ; 62(3): 340-4, 1992.
Article em En | MEDLINE | ID: mdl-1436349
A woman aged 33 years presented hypokalemia and hypomagnesemia associated with renal potassium and magnesium wasting. Her mean 24-hour urinary calcium excretion was strikingly low despite normocalcemia, normal creatinine clearance, normal serum PTH and calcitriol. Normal distal fractional chloride reabsorption [CH2O/(CH2O + CCl)] was noted during water load but was reduced during hypotonic saline infusion. In response to intravenous furosemide (1 mg/kg), the patient showed significant increments in sodium, chloride and magnesium excretion as well as abolition of hypocalciuria. The association of renal calcium transport from magnesium transport together with exaggerated natriuresis after furosemide suggests the presence of a defect in the distal tubule rather than in the loop of Henle. We propose that our patient is affected by the syndrome of primary renotubular hypomagnesemia-hypokalemia with hypocalciuria, known as Gitelman's syndrome.
Assuntos
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Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Síndrome / Hipopotassemia / Magnésio Tipo de estudo: Diagnostic_studies Limite: Adult / Female / Humans Idioma: En Revista: Nephron Ano de publicação: 1992 Tipo de documento: Article País de afiliação: Espanha País de publicação: Suíça
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Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Síndrome / Hipopotassemia / Magnésio Tipo de estudo: Diagnostic_studies Limite: Adult / Female / Humans Idioma: En Revista: Nephron Ano de publicação: 1992 Tipo de documento: Article País de afiliação: Espanha País de publicação: Suíça