Abstract
BackgroundHypertensive crises in children represent critical medical situations characterized by severe hypertension and potential organ damage. Fenoldopam, a dopaminergic medication, offers a viable therapeutic option for managing such clinical scenarios. We aimed to evaluate efficacy and safety of fenoldopam in the management of hypertensive urgencies and emergencies.MethodsThis retrospective analysis focused on pediatric patients affected by acute or chronic kidney disease, aged 1 month–18 years, admitted to the Pediatric Nephrology and the Pediatric Intensive Care Unit at University-Hospital of Padua, Italy, who presented with a hypertensive crisis treated with fenoldopam between March 2010 and December 2022.ResultsThe study included 74 patients with median age 10 years (interquartile range [IQR] 4–15 years) who received 102 fenoldopam infusions. Seventy-two percent were already receiving antihypertensive treatment before admission. In all cases, fenoldopam was associated with a reduction of blood pressure (BP) after 8 h of treatment, but in 87% of patients reduction of the initial mean arterial pressure (MAP) was higher than 25% of calculated drop pressure. MAP normalized in 26% of cases after 24 h and in 35% after 48 h. Occurrence of hypotension was 7%, while hypokalemia was observed in 13% of cases. Patients who presented a MAP reduction not exceeding 25% of calculated drop pressure received a lower median fenoldopam dose (0.2 mcg/kg/min; IQR 0.1–0.2) compared with patients having a MAP reduction > 25% of calculated drop pressure (0.4 mcg/kg/min; IQR 0.2–0.6; p = 0.002).ConclusionsFenoldopam seems effective and safe for the treatment of hypertensive crises in children with kidney disease, at a starting dose of 0.2 mcg/kg/min. Strict BP monitoring is required to identify possible excessive drop pressure in the first hours of infusion.Graphical abstractA higher resolution version of the Graphical abstract is available as Supplementary information
Published Version
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