Hypertension As an Atypical Presentation of Unilateral Ureteral Obstruction

Mantas, P; Baeta Baptista, R; Santos, R; Serrão, AP

http://hdl.handle.net/10400.17/4073

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Abstract(s)

Ureteral obstruction (ureteropelvic or ureterovesical junction obstruction) is frequently diagnosed during the workup investigation of an asymptomatic infant or child with upper urinary tract dilatation, commonly identified in a prenatal ultrasound. In older children, recurrent lumbar pain is a red flag for ureteral obstruction. Although less frequent, hypertension may be the initial and only manifestation of ureteral obstruction. The authors present two pediatric cases of unilateral ureteral obstruction with hypertension, in which the surgical treatment of the obstruction leads to blood pressure normalisation. In all pediatric age groups, a systematic investigation for secondary causes of hypertension is of paramount importance. In some cases, especially those of an obstructive nature, early surgical management can be curative, with normalization of blood pressure levels and prevention of renal injury.