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Management of severe childhood hypertension with minoxidil: a controlled clinical study
Insights
Minoxidil, combined with other medications, effectively lowered blood pressure in hypertensive children. While hypertrichosis was noted, minoxidil shows promise as an addition to pediatric antihypertensive therapy.
Area of Science:
- Pediatric Cardiology
- Pharmacology
- Hypertension Management
Background:
- Pediatric hypertension requires effective and safe therapeutic strategies.
- Limited treatment options exist for severe pediatric hypertension.
- Evaluating combination therapies is crucial for optimizing outcomes.
Purpose of the Study:
- To assess the therapeutic efficacy of four antihypertensive regimens in children.
- To compare the effectiveness of different drug combinations, including minoxidil.
- To identify potential side effects associated with these treatments.
Main Methods:
- A study involving nine children with systolic and/or diastolic hypertension.
- Evaluation of four antihypertensive regimens: hydrochlorothiazide alone, methyldopa and hydrochlorothiazide, propranolol and hydrochlorothiazide, and minoxidil, propranolol, and hydrochlorothiazide.
- Monitoring of blood pressure changes and recording of adverse events.
Main Results:
- The combination of minoxidil, propranolol, and hydrochlorothiazide significantly reduced mean blood pressure from 148/98 to 128/74 mm Hg.
- Other regimens showed less pronounced blood pressure reduction.
- Hypertrichosis was the sole side effect linked to minoxidil administration.
Conclusions:
- Minoxidil, in combination therapy, demonstrates significant effectiveness in treating pediatric hypertension.
- The drug is a valuable adjunct to existing antihypertensive treatments for children.
- Further research into minoxidil's role in pediatric hypertension is warranted.
Abstract:
The therapeutic efficacy of four antihypertensive regimens (minoxidil, propranolol, and hydrochlorothiazide; propranolol and hydrochlorothiazide; methyldopa and hydroch-orothiazide; and hydrochlorothiazide alone) was evaluated in one child with systolic hypertension and in eight children with systolic and diastolic hypertension. The mean blood pressure of 148/98+/-8/4 mm Hg observed during the hydrochlorothiazide control period fell to 142/88+/-8/4 mm Hg following methyldopa and hydrochlorothiazide, 141/85+/-6/2 mm Hg following propranolol and hydrochlorothiazide, and 128/74+/-4/2 mm Hg following minoxidil, propranolol, and hydrochlorothiazide. The only side effect directly associated with administration of minoxidil was hypertrichosis. The effectiveness of minoxidil in the present study suggests that this drug offers an important adjunct to current antihypertensive therapy in children.