Imaging of renin-mediated hypertension in children

Patricia K Castelli1, Jonathan R Dillman, Ethan A Smith

  • 1Department of Radiology, Section of Pediatric Radiology, University of Michigan Health System, C. S. Mott Children's Hospital, 1540 E Hospital Dr, Ann Arbor, MI 48109-4252, USA.

Insights

Pediatric hypertension is often caused by narrowed aorta or renal arteries. Multimodality imaging helps diagnose and characterize these renin-mediated hypertension causes in children.

Area of Science:

  • Pediatric Radiology
  • Cardiovascular Imaging
  • Hypertension Research

Background:

  • Renin-mediated hypertension in children is uncommon but serious.
  • Identifying the underlying cause is crucial for effective management.
  • Aortic or renal artery narrowing are frequent culprits.

Purpose of the Study:

  • To review imaging findings of pediatric renin-mediated hypertension.
  • To cover both common and uncommon etiologies.
  • To emphasize a multimodality radiologic approach.

Main Methods:

  • Review of imaging studies in pediatric patients with renin-mediated hypertension.
  • Multimodality imaging techniques including ultrasound, CT, and MRI were utilized.
  • Correlation of imaging findings with clinical and biochemical data.

Main Results:

  • Imaging demonstrated aortic narrowing (e.g., coarctation) and renal artery stenosis as primary causes.
  • Uncommon causes identified through imaging included fibromuscular dysplasia and renovascular tumors.
  • Radiologic findings were key in differentiating etiologies and guiding treatment.

Conclusions:

  • Pediatric hypertension frequently stems from aortic or renal artery narrowing.
  • Multimodality imaging is vital for diagnosing and characterizing renin-mediated hypertension in children.
  • Radiologic assessment plays a critical role in the management of pediatric hypertension.
Abstract

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