Control of hypertension in treated children and its association with target organ damage

Tomáš Seeman1, Lukáš Dostálek, Jiří Gilík

  • 1Department of Pediatrics, University Hospital Motol, Charles University Prague, Second Medical School, Prague, Czech Republic. tomas.seeman@lfmotol.cuni.cz

Insights

Nearly half of treated children have uncontrolled hypertension (HT), indicating inadequate management. This poor blood pressure (BP) control is linked to target organ damage in pediatric patients.

Area of Science:

  • Pediatric Nephrology
  • Cardiology
  • Hypertension Management

Background:

  • Hypertension (HT) in children requires effective management.
  • Ambulatory blood pressure (BP) monitoring (ABPM) is a key tool for assessing BP control.

Purpose of the Study:

  • To investigate the control of hypertension in treated children using ambulatory blood pressure monitoring (ABPM).

Main Methods:

  • Retrospective review of 195 ABPM studies in children on antihypertensive therapy.
  • Controlled HT defined by BP index <1.0 or BP load <25%.
  • Analysis of HT causes, treatment efficacy, and target organ damage.

Main Results:

  • 53% of children achieved controlled HT.
  • Renoparenchymal HT showed better control than renovascular HT (58% vs. 20%).
  • Angiotensin-converting enzyme inhibitors (ACEI) monotherapy was more effective than calcium-channel blockers (CCB).
  • Uncontrolled HT was associated with higher rates of left ventricular hypertrophy (46% vs. 13%).

Conclusions:

  • This study highlights inadequate hypertension control in approximately 50% of treated pediatric patients.
  • Poor BP control in children is associated with target organ damage.
  • This is the first pediatric study using ABPM to assess BP control in hypertensive children.
Abstract

Related Concept Videos

Hypertension III: Clinical Manifestations and Diagnostic Studies01:30

Hypertension III: Clinical Manifestations and Diagnostic Studies

Hypertension is asymptomatic and also referred to as the "silent killer" until it progresses to a severe stage or causes target organ disease. Patients may experience symptoms stemming from the strain on blood vessels and tissues in various organs or the heart's increased workload.Physical exams might show no abnormalities other than high blood pressure. Signs of vascular damage, when present, correspond to the organs supplied by the affected vessels, leading to target organ damage. For...
Hypertension and Regulation of Blood Pressure01:18

Hypertension and Regulation of Blood Pressure

Hypertension, the most common cardiovascular disease, is diagnosed through repeated measurements of elevated blood pressure. Its risks, including damage to the kidney, heart, and brain, are directly proportional to blood pressure levels. Starting from 115/75 mm Hg, the risk of cardiovascular disease doubles with each increment of 20/10 mm Hg. The diagnosis relies on blood pressure measurements, not on patient symptoms, as hypertension is often asymptomatic until end-organ damage is imminent or...
Hypertension II: Pathophysiology01:29

Hypertension II: Pathophysiology

Hypertension is a chronic condition in which the blood's force against artery walls is excessively high, posing risks such as heart disease. The condition's underlying mechanisms involve complex interactions among the cardiovascular, kidney, and autonomic nervous systems.Renin-Angiotensin-Aldosterone System (RAAS): This system significantly influences blood pressure regulation. When blood pressure decreases, the kidneys secrete renin. This enzyme transforms angiotensinogen, a plasma protein,...
Hypertension V: Nursing Management01:23

Hypertension V: Nursing Management

The nursing management of hypertension involves accurately assessing symptoms, making a comprehensive nursing diagnosis, collaborating with patients to set goals, and implementing targeted interventions to mitigate the condition's impact and improve patient well-being.Comprehensive AssessmentThe initial step in nursing care for hypertension involves a thorough patient assessment. It includes evaluating symptoms such as headaches, dizziness, blurred vision, and previous hypertension episodes.
Hypertension I: Introduction01:28

Hypertension I: Introduction

Hypertension is a widespread, long-term medical condition where blood pressure in the arteries remains elevated. It is characterized by systolic blood pressure readings of 130 mm Hg or above or diastolic blood pressure (DBP) readings of 80 mm Hg or higher. Unmanaged hypertension poses significant health risks, making the distinction between primary (or essential) hypertension and secondary hypertension crucial, as their management and implications vary.Primary HypertensionPrimary hypertension,...
Hypertension IV: Drug Therapy and Lifestyle Modifications01:28

Hypertension IV: Drug Therapy and Lifestyle Modifications

Multiple classes of antihypertensive medications are employed in treating hypertension. The most commonly recommended first-line treatments include:Thiazide Diuretics, such as chlorthalidone, increase sodium and water excretion from the body, reducing blood volume and blood pressure.Angiotensin-converting enzyme inhibitors, like lisinopril, block the conversion of angiotensin I to II, a potent vasoconstrictor lowering blood pressure.Angiotensin II Receptor Blockers (ARBs) prevent angiotensin II...