Thalamic hemorrhage in a 4-year-old child induced by nephro-vascular hypertension

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E Bianchi1, S Savasta, F Torcetta

  • 1Pediatrics Clinic, University of Pavia, Italy.

Pediatric Radiology
|January 1, 1989
PubMed

Insights

A child developed severe hypertension and stroke due to kidney artery atrophy. Nephrectomy normalized blood pressure, resolving cardiomyopathy and neurological symptoms.

Area of Science:

  • Pediatric Cardiology
  • Pediatric Neurology
  • Nephrology

Background:

  • Cardiomyopathy in children can have diverse etiologies.
  • Hypertension in pediatric patients requires thorough investigation.
  • Neurological deficits like hemiparesis and dysarthria warrant urgent evaluation.

Observation:

  • A 48-month-old child with pre-existing cardiomyopathy presented with acute right hemiparesis and dysarthria.
  • Brain CT revealed an active hemorrhage in the left thalamus.
  • Severe, treatment-resistant hypertension was noted, alongside evidence of right renal artery atrophy.

Findings:

  • Elevated renin and aldosterone levels confirmed nephrogenic hypertension as the underlying cause.
  • This nephrogenic hypertension was identified as the etiology for both the early-onset cardiomyopathy and the intracranial hemorrhage.
  • The patient underwent right nephrectomy.

Implications:

  • Nephrogenic hypertension should be considered in pediatric cases of unexplained cardiomyopathy and severe hypertension.
  • Prompt diagnosis and intervention, such as nephrectomy, can effectively manage severe pediatric hypertension and its sequelae.
  • This case highlights the critical link between renal vascular anomalies, hypertension, and cardiovascular and neurological complications in children.

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