Diabetes mellitus and hyperkalemic renal tubular acidosis: case reports and literature review

ABSTRACT Hyporeninemic hypoaldosteronism, despite being common, remains an underdiagnosed entity that is more prevalent in patients with diabetes mellitus. It presents with asymptomatic hyperkalemia along with hyperchloraemic metabolic acidosis without significant renal function impairment. The unde...

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Main Authors: Carlos Henrique Pires Ratto Tavares Bello, João Sequeira Duarte, Carlos Vasconcelos
Format: Article
Language:English
Published: Sociedade Brasileira de Nefrologia
Series:Brazilian Journal of Nephrology
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-28002017000400481&lng=en&tlng=en
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author Carlos Henrique Pires Ratto Tavares Bello
João Sequeira Duarte
Carlos Vasconcelos
author_facet Carlos Henrique Pires Ratto Tavares Bello
João Sequeira Duarte
Carlos Vasconcelos
author_sort Carlos Henrique Pires Ratto Tavares Bello
collection DOAJ
description ABSTRACT Hyporeninemic hypoaldosteronism, despite being common, remains an underdiagnosed entity that is more prevalent in patients with diabetes mellitus. It presents with asymptomatic hyperkalemia along with hyperchloraemic metabolic acidosis without significant renal function impairment. The underlying pathophysiological mechanism is not fully understood, but it is postulated that either aldosterone deficiency (hyporeninemic hypoaldosteronism) and/or target organ aldosterone resistance (pseudohypoaldosteronism) may be responsible. Diagnosis is based on laboratory parameters. Treatment strategy varies according to the underlying pathophysiological mechanism and etiology and aims to normalize serum potassium. Two clínical cases are reported and the relevant literature is revisited.
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spelling doaj.art-658868714183456aa1311aee07437b4d2022-12-21T22:42:38ZengSociedade Brasileira de NefrologiaBrazilian Journal of Nephrology2175-823939448148510.5935/0101-2800.20170086S0101-28002017000400481Diabetes mellitus and hyperkalemic renal tubular acidosis: case reports and literature reviewCarlos Henrique Pires Ratto Tavares BelloJoão Sequeira DuarteCarlos VasconcelosABSTRACT Hyporeninemic hypoaldosteronism, despite being common, remains an underdiagnosed entity that is more prevalent in patients with diabetes mellitus. It presents with asymptomatic hyperkalemia along with hyperchloraemic metabolic acidosis without significant renal function impairment. The underlying pathophysiological mechanism is not fully understood, but it is postulated that either aldosterone deficiency (hyporeninemic hypoaldosteronism) and/or target organ aldosterone resistance (pseudohypoaldosteronism) may be responsible. Diagnosis is based on laboratory parameters. Treatment strategy varies according to the underlying pathophysiological mechanism and etiology and aims to normalize serum potassium. Two clínical cases are reported and the relevant literature is revisited.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-28002017000400481&lng=en&tlng=enacidoseacidose tubular renaldiabetes mellitushiperpotassemiahipoaldosteronismo
spellingShingle Carlos Henrique Pires Ratto Tavares Bello
João Sequeira Duarte
Carlos Vasconcelos
Diabetes mellitus and hyperkalemic renal tubular acidosis: case reports and literature review
Brazilian Journal of Nephrology
acidose
acidose tubular renal
diabetes mellitus
hiperpotassemia
hipoaldosteronismo
title Diabetes mellitus and hyperkalemic renal tubular acidosis: case reports and literature review
title_full Diabetes mellitus and hyperkalemic renal tubular acidosis: case reports and literature review
title_fullStr Diabetes mellitus and hyperkalemic renal tubular acidosis: case reports and literature review
title_full_unstemmed Diabetes mellitus and hyperkalemic renal tubular acidosis: case reports and literature review
title_short Diabetes mellitus and hyperkalemic renal tubular acidosis: case reports and literature review
title_sort diabetes mellitus and hyperkalemic renal tubular acidosis case reports and literature review
topic acidose
acidose tubular renal
diabetes mellitus
hiperpotassemia
hipoaldosteronismo
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-28002017000400481&lng=en&tlng=en
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AT carlosvasconcelos diabetesmellitusandhyperkalemicrenaltubularacidosiscasereportsandliteraturereview