Key result
In 5 patients with refractory congestive heart failure, the addition of icodextrin to peritoneal dialysis resulted in a median serum sodium drop of 8 meq/l (range 5.4-8.3 meq/l).
Why the study?
Does icodextrin-based peritoneal dialysis cause clinically relevant hyponatremia in refractory congestive heart failure patients?
Case Report (n=5)
Does icodextrin-based peritoneal dialysis cause clinically relevant hyponatremia in refractory congestive heart failure patients?
Icodextrin-based peritoneal dialysis may contribute to clinically relevant hyponatremia in patients with extremely severe congestive heart failure.
May warrant sodium monitoring with icodextrin in PD-treated refractory CHF; leaves open need for larger studies.
Severe congestive heart failure (CHF) patients are prone to hyponatremia. Peritoneal dialysis (PD) is increasingly used for long-term management of refractory CHF patients. The glucose polymer icodextrin was proposed to be a good option for fluid removal in such patients. A small, although statistically significant reduction in serum sodium (∼2 mmol/l) consistently observed in multiple trials, is considered as not clinically relevant. Here we reported five refractory CHF patients who demonstrated sodium drop by median of 8 meq/l (range 5.4–8.3 meq/l) after icodextrin was added to their program. It seems that icodextrin may contribute to clinically relevant hyponatremia if the hyponatremia is compounded by other factors. Patients with extremely severe congestive heart failure are susceptible to this complication. Los pacientes con insuficiencia cardíaca congestiva grave son propensos a sufrir hiponatremia. La diálisis peritoneal se utiliza cada vez más para el tratamiento a largo plazo de los pacientes con insuficiencia cardíaca congestiva resistentes al tratamiento. El polímero de glucosa icodextrina se propuso como una buena opción para la ultrafiltración. Una reducción pequeña, aunque estadísticamente significativa, del sodio sérico (∼2 mmol/l) observada sistemáticamente en numerosos ensayos no se considera de relevancia clínica. En este documento informamos de 5 casos de pacientes con insuficiencia cardíaca congestiva resistentes al tratamiento que presentaron una caída de las concentraciones de sodio en una mediana de 8 mEq/l (intervalo 5,4-8,3 mEq/l) después de la adición de icodextrina a su programa. Parece ser que la icodextrina puede contribuir a una hiponatremia clínicamente relevante si se combina con otros factores. Los pacientes con insuficiencia cardíaca congestiva muy grave son propensos a esta complicación.
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Kunin et al. (2017) conducted a case report in Refractory congestive heart failure (n=5). Icodextrin-based peritoneal dialysis was evaluated on Serum sodium drop (median drop of 8 meq/l). In 5 patients with refractory congestive heart failure, the addition of icodextrin to peritoneal dialysis resulted in a median serum sodium drop of 8 meq/l (range 5.4-8.3 meq/l).
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