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Low Serum Potassium Levels Associated with Disease Severity in Children with Nonalcoholic Fatty Liver Disease / 대한소아소화기영양학회지
Pediatric Gastroenterology, Hepatology & Nutrition ; : 168-174, 2015.
Artículo en Inglés | WPRIM | ID: wpr-150581
ABSTRACT

PURPOSE:

Recent studies have suggested that decreased serum potassium level may contribute to various metabolic disorders in adult patients including nonalcoholic fatty liver disease (NAFLD). We aimed to study the correlation between serum potassium levels and the histologic severity of NAFLD in children.

METHODS:

Pediatric patients with biopsy-proven NAFLD were included in this study. Demographic, clinical, and histopathological data were obtained. Multivariable logistic regression analysis was used to assess whether potassium levels are associated with the presence of nonalcoholic steatohepatitis (NASH) or fibrosis after adjusting for possible confounders. A p-value <0.05 was considered statistically significant.

RESULTS:

Among 125 biopsies, 49.6% (62) had evidence of NASH while 66.4% (83) had some degree of fibrosis (stage 1-3). Mean serum potassium was significantly lower in NASH group as compared to non-NASH group (4.4+/-0.42 mmoL/L vs. 4.8+/-0.21, p<0.001). Higher potassium level had negative correlation with presence of steatosis, ballooning, lobular inflammation, fibrosis and NAFLD activity score (p<0.05). On multivariable analysis and after adjusting for the metabolic syndrome and insulin resistance, higher potassium level was significantly associated with lower likelihood of having a histological diagnosis of NASH on biopsy (odds ratio [OR], 0.12; 95% confidence interval [95% CI], 0.05-0.28; p<0.001). Similarly, the likelihood of having fibrosis decreases by 76% for every 0.5 mmoL/L increase in potassium (OR ,0.24; 95% CI, 0.11-0.54; p<0.001).

CONCLUSION:

Our study shows an inverse relationship between serum potassium levels and the presence of aggressive disease (NASH and fibrosis) in children with NAFLD.
Asunto(s)

Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Pediatría / Potasio / Biopsia / Fibrosis / Resistencia a la Insulina / Modelos Logísticos / Diagnóstico / Hígado Graso / Inflamación Tipo de estudio: Estudio diagnóstico / Estudio pronóstico / Factores de riesgo Límite: Adulto / Niño / Humanos Idioma: Inglés Revista: Pediatric Gastroenterology, Hepatology & Nutrition Año: 2015 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Pediatría / Potasio / Biopsia / Fibrosis / Resistencia a la Insulina / Modelos Logísticos / Diagnóstico / Hígado Graso / Inflamación Tipo de estudio: Estudio diagnóstico / Estudio pronóstico / Factores de riesgo Límite: Adulto / Niño / Humanos Idioma: Inglés Revista: Pediatric Gastroenterology, Hepatology & Nutrition Año: 2015 Tipo del documento: Artículo