News ID: 266891
Published: 1010 GMT March 14, 2020

Study provides insights on evaluating hypertension in children

Study provides insights on evaluating hypertension in children
aninews.in

Results from a new study provide insights on evaluating high blood pressure in children.

Diagnostic workup for hypertension in children may include wearing a device that monitors blood pressure over 24 hours. Blood pressure load — the proportion of elevated blood pressure readings detected over 24 hours — is used in addition to average blood pressure as part of the criteria for diagnosing hypertension in children, news-medical.net reported.

Use of blood pressure load in everyday practice may lead to confusion in scenarios where a child has elevated blood pressure load but normal average blood pressure, however, and it's unclear how a high blood pressure load (with normal average blood pressure) affects long-term health.

To provide insight, Jason Lee, MD (University of California, San Francisco) and his colleagues studied 533 children with chronic kidney disease who underwent 24-hour blood pressure monitoring, along with tests related to kidney and heart health over several years. Based on 24-hour blood pressure data, the team grouped children as having normal blood pressure, high blood pressure load but without high average blood pressure, and high average blood pressure.

One-quarter of the children had high blood pressure load. Having high blood pressure load by itself was not associated with higher risks of developing kidney failure or a condition called left ventricular hypertrophy (thickening of the heart), which can develop in response high blood pressure.

Lee said “Our data suggest that the proportion of readings on a 24-hour blood pressure test that are high may not provide additional insight beyond the average blood pressure values surrounding a child's risk for developing cardiac disease or worsening kidney disease.

However, having a high average blood pressure on a 24-hour blood pressure test does strongly predict a child's cardiac and kidney disease risk."

   
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