Management of severe hypertension in a child with tuberous sclerosis-related major vascular abnormalities

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Hubert Wong1, Mohammed Hadi, Tony Khoury

  • 1Division of Pediatric Nephrology, Children's Hospital of Eastern Ontario, Ottawa, Canada.

Journal of Hypertension
|February 10, 2006
PubMed

Insights

A child with tuberous sclerosis experienced severe renovascular hypertension due to an abdominal aortic aneurysm. Management was challenging, requiring complex surgical intervention and highlighting difficulties in treating pediatric vascular malformations.

Area of Science:

  • Pediatric Nephrology
  • Vascular Surgery
  • Genetics

Background:

  • Tuberous sclerosis is a genetic disorder that can affect multiple organs, including the kidneys.
  • Renovascular hypertension in children is rare and can be caused by various conditions, including vascular abnormalities.

Observation:

  • A 4-year-old girl with tuberous sclerosis presented with severe hypertension.
  • The hypertension was secondary to compression of the renal arteries by a large abdominal aortic aneurysm.

Findings:

  • Medical management with multiple antihypertensive drugs failed to control blood pressure.
  • Surgical interventions, including an aortic graft and a renal artery bypass, were complicated by graft failure and restenosis.
  • Successful management was ultimately achieved with a right kidney autotransplantation, revealing fibromuscular dysplasia and collagen deposition on histology.

Implications:

  • This case underscores the complexity of managing renovascular hypertension in pediatric patients with genetic disorders and associated vascular malformations.
  • Aggressive and multimodal treatment strategies may be necessary for refractory cases.
  • Understanding the underlying vascular pathology is crucial for guiding therapeutic decisions.
Abstract

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