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[Renovascular hypertension in children]
1Katedry i Kliniki Nefrologii Pediatrycznej AM we Wrocławiu.
Polski Merkuriusz Lekarski : Organ Polskiego Towarzystwa Lekarskiego
|November 18, 2000
Summary
Renovascular hypertension (RVH) is more prevalent in children than adults, often caused by fibromuscular dysplasia or renal artery thrombosis. Early diagnosis and tailored treatments like angioplasty or surgery improve outcomes in pediatric RVH.
Area of Science:
- Pediatric Nephrology
- Cardiovascular Medicine
- Medical Diagnostics
Background:
- Renovascular hypertension (RVH) affects 5-25% of hypertensive children, significantly higher than the <1% seen in adults.
- Common pediatric causes include fibromuscular dysplasia (60%) and neonatal renal artery thrombosis post-catheterization.
- Many children with RVH are asymptomatic, with hypertension detected during routine check-ups.
Discussion:
- Diagnostic suspicion for RVH in children arises from history, physical exam, and lab analysis, excluding other hypertension causes.
- Contemporary diagnostic methods are age-dependent and consider renal artery abnormality location and extent.
- Angiotensin-converting enzyme inhibition scintigraphy is crucial for diagnosing RVH in newborns and infants.
Key Insights:
- Fibromuscular dysplasia is the leading cause of RVH in children.
- Renal artery thrombosis is a primary cause in neonates following umbilical artery catheterization.
- Early detection through routine screening is vital as many children remain asymptomatic.
Outlook:
- Therapeutic options include surgery, percutaneous transluminal renal angioplasty (PTRA), and pharmacologic treatment.
- Surgical interventions and PTRA show promising amelioration of effects.
- Individualized therapy is essential due to potential resistance to conservative treatment and treatment-related complications.