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Investigation and management of hypertension in children. A personal perspective
1Renal Unit, Hospital for Sick Children, London, UK.
Insights
Pediatric hypertension affects 1%-3% of children, often due to kidney disease. Early, nephrology-focused investigations and tailored treatments, including medication and surgery, are key for effective management.
Area of Science:
- Pediatric Nephrology
- Cardiovascular Medicine
- Medical Diagnostics
Background:
- Hypertension prevalence in children ranges from 1% to 3%.
- Severe hypertension occurs in 10% of affected children.
- Renal disease is the primary cause of hypertension in most pediatric cases.
Purpose of the Study:
- To highlight the importance of nephrological investigations in children with hypertension.
- To outline effective diagnostic tools for identifying the causes of pediatric hypertension.
- To review current therapeutic strategies for managing childhood hypertension.
Main Methods:
- Utilized peripheral plasma-renin activity and 99mTc DMSA scans.
- Employed renal vein renin measurements and renal angiography.
- Included 123I MIBG scans for suspected phaeochromocytoma.
Main Results:
- Diagnostic tools effectively identify hypertension etiology in children.
- Intravenous labetalol or sodium nitroprusside are successful for accelerated hypertension.
- Beta-blockers, vasodilators, ACE inhibitors, and diuretics offer sustained management.
- Dietary changes and surgery (revascularization, nephrectomy, angioplasty) are viable options.
Conclusions:
- Comprehensive investigations enable accurate diagnosis of pediatric hypertension.
- A range of pharmacological and surgical interventions ensures effective management.
- Current tools allow for safe and effective treatment of most hypertensive children.
Abstract:
The prevalence of hypertension in children is of the order of 1%-3%. Of these children, 10% will have severe hypertension and in the majority the increased blood pressure will be secondary to renal disease. Nephrologically orientated investigation is therefore important. The most helpful investigations are: peripheral plasma-renin activity, 99mTc dimercaptosuccinic acid (DMSA) scan, main and segmental renal vein renin measurements and renal angiography plus 123I metaiodobenzyl guanidine (MIBG) scan in suspected phaeochromocytoma. Drug treatment of accelerated hypertension is most successfully undertaken by intravenous labetalol or sodium nitroprusside; sustained moderate-to-severe hypertension by a beta-blocker plus a vasodilator or an angiotensin-converting enzyme inhibitor with or without a diuretic; mild hypertension by diet, diuretic and if necessary by more powerful hypotensives. Surgical treatment by revascularization or nephrectomy and percutaneous transluminal angioplasty can be successful. Utilizing the current range of investigational and therapeutic tools the aetiology and appropriate management of hypertension can be effectively and safely undertaken in the majority of hypertensive children.
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Physiological Factors:
Hypertension and Regulation of Blood Pressure
Hypertension I: Introduction
Hypertension III: Clinical Manifestations and Diagnostic Studies
Hypertension IV: Drug Therapy and Lifestyle Modifications
Hypertension V: Nursing Management

