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Archivos argentinos de pediatría

versión impresa ISSN 0325-0075versión On-line ISSN 1668-3501


BARBED FERRANDEZ, Sara M et al. Neonatal diagnosis of unilateral renal artery stenosis. Arch. argent. pediatr. [online]. 2018, vol.116, n.5, pp.e675-e678. ISSN 0325-0075.

Renal artery stenosis represents a rare cause of neonatal arterial hypertension of renovascular origin, having been described few cases in the literature at this stage of life. Most patients with this disease remain asymptomatic; hypertension can be detected in routine pediatric revisions. Diagnosis can be performed by combining biochemical and radiological findings. The initial management consists of pharmacological therapy in order to achieve adequate growth. Subsequently, it is necessary to assess definitive repair of the vascular lesion or nephrectomy in the case of functional abolition of the affected kidney. We present a term newborn female, with arterial hypertension and an important congestive heart failure, caused by a unilateral renal artery stenosis, with functional abolition and atrophy of the affected kidney, which required an important inotropic and antihypertensive support during her first days of life, with significant clinical improvement subsequently.

Palabras clave : Renal artery stenosis; Hypertension; Renovascular hypertension; Infant newborn.

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