The relationship between serum copeptin levels, peritoneal transport parameters, and bioimpedance markers in pediatric patients undergoing peritoneal dialysis.

BACKGROUND: The pathophysiology of hypervolemia in chronic kidney disease involves multiple mechanisms, with arginine vasopressin (AVP) playing a key role. Copeptin, a molecule located at the C-terminus of AVP, is often used as a substitute for AVP i…

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