Management of pulmonary hypertension in Down syndrome

Amy Hawkins1, Simon Langton-Hewer, John Henderson

  • 1Departments of Congenital Heart Disease and Respiratory Medicine, Bristol Royal Hospital for Children, Bristol, BS2 8BJ, UK.

Insights

Children with Down syndrome (DS) face higher risks of pulmonary arterial hypertension (PAH). A combined approach involving cardiac, respiratory, and surgical interventions is crucial for managing PAH in these children.

Area of Science:

  • Pediatric Cardiology
  • Pulmonology
  • Genetics

Background:

  • Children with Down syndrome (DS) have an increased susceptibility to pulmonary arterial hypertension (PAH).
  • Underlying factors include upper airway obstruction and congenital heart disease.
  • Effective management strategies for PAH in DS require a multidisciplinary approach.

Purpose of the Study:

  • To review the management of pulmonary arterial hypertension (PAH) in children with Down syndrome (DS).
  • To propose a systematic protocol for managing PAH in this vulnerable population.

Main Methods:

  • Retrospective review of 25 children with DS and PAH assessed between March 2005 and May 2010.
  • Inclusion criteria: children with DS referred for PAH assessment.
  • Assessments included cardiac catheterization, polysomnography, bronchoscopy, and lung biopsy.

Main Results:

  • Cardiac catheterization revealed elevated pulmonary artery pressure and pulmonary vascular resistance (PVR).
  • Inhaled nitric oxide and oxygen reduced PVR significantly.
  • Respiratory assessments identified airway issues such as malacia and adenotonsillar hypertrophy.

Conclusions:

  • Management of PAH in children with DS necessitates a coordinated cardiologic, respiratory, and surgical strategy.
  • A proposed protocol involving cardiac catheterization, blood tests, and respiratory evaluation is recommended for systematic patient management.
Abstract

Related Concept Videos

Pulmonary Hypertension: Classification and Pathogenesis01:30

Pulmonary Hypertension: Classification and Pathogenesis

Pulmonary hypertension (PH) is a severe health condition in which the mean pulmonary arterial pressure increases to 25 mmHg or more, even when the body is at rest. This high pressure in the blood vessels that transport blood from the heart to the lungs can cause various symptoms, including shortness of breath, can lead to right heart failure, and significantly affect the overall quality of life.
There are various classifications for PH, each relating to different underlying causes and also...
Treatment for Pulmonary Arterial Hypertension: Phosphodiesterase Inhibitors01:28

Treatment for Pulmonary Arterial Hypertension: Phosphodiesterase Inhibitors

Phosphodiesterase 5 (PDE5) inhibitors are potent enzymes that function to hydrolyze cyclic nucleotides to their corresponding 5' monophosphates. Their unique biochemical properties have been applied in treating Pulmonary Arterial Hypertension (PAH).
Among the PDE5 inhibitors, sildenafil (Revatio) stands out as a competitive and selective inhibitor. It operates by elevating cellular levels of cGMP and augmenting signaling through the cGMP-PKG pathway, promoting vasodilation. Upon oral...
Treatment for Pulmonary Arterial Hypertension: Receptor Tyrosine Kinase Inhibitors and Calcium Channel Blockers01:26

Treatment for Pulmonary Arterial Hypertension: Receptor Tyrosine Kinase Inhibitors and Calcium Channel Blockers

Receptor tyrosine kinase inhibitors (TKIs) and calcium channel blockers (CCBs) are two critical categories of drugs employed in the treatment of pulmonary artery hypertension (PAH). PAH is a disease that causes high blood pressure in the pulmonary arteries, resulting in chest pain, fatigue, and shortness of breath.
TKIs, such as imatinib (Gleevec), are particularly effective in tackling the growth and mitogenic factors that become upregulated in PAH patients. These factors contribute to the...
Treatment for Pulmonary Arterial Hypertension: Oxygen Therapy for Respiratory Failure01:16

Treatment for Pulmonary Arterial Hypertension: Oxygen Therapy for Respiratory Failure

Oxygen therapy has emerged as a significant tool in enhancing the quality of life for patients suffering from pulmonary arterial hypertension (PAH). While this therapy has principally been studied on patients with significant hypoxemia, this therapeutic approach helps prevent potential organ damage and can be administered in the comfort of one's home.
Oxygen therapy is vital in increasing and maintaining blood oxygen levels in PAH patients. As a result, it aids in reducing fatigue, improving...
Mitral Stenosis IV: Nursing Management01:27

Mitral Stenosis IV: Nursing Management

A comprehensive nursing assessment is essential for patients with valvular heart disease, which involves any dysfunction of the heart valves that could impact blood flow and overall heart function.Subjective Data Collection:Chief Complaint and Present Illness: Start with the patient's primary concerns, focusing on the onset, duration, and progression of cardiac symptoms such as dyspnea, fatigue, chest pain, and palpitations.Past Medical History: Collect detailed information on any previous...
Cardiomyopathy III: Hypertrophic Cardiomyopathy01:29

Cardiomyopathy III: Hypertrophic Cardiomyopathy

Hypertrophic cardiomyopathy, or HCM, is an autosomal dominant genetic disorder characterized by asymmetric left ventricular hypertrophy without ventricular dilation. It is more common in men and is typically diagnosed in young, athletic adults.EtiologyHCM is primarily genetic and is caused by mutations in genes encoding sarcomeric proteins. Researchers have identified over 1400 mutations across at least 11 different genes. Among these, the most frequently occurring mutations are found in the...