Outcomes in Patients with Alagille Syndrome and Complex Pulmonary Artery Disease

Roger Luong1, Jeffrey A Feinstein1, Michael Ma2

  • 1Department of Pediatrics, Lucille Packard Children's Hospital Stanford and Stanford University, Palo Alto, CA.

The Journal of Pediatrics
|September 27, 2020
PubMed

Insights

Pulmonary artery reconstruction surgery can lead to successful outcomes in Alagille syndrome (ALGS) patients with complex pulmonary artery disease. However, outcomes vary by diagnosis, with Tetralogy of Fallot and major aortopulmonary collateral arteries presenting the greatest challenges.

Area of Science:

  • Cardiology
  • Pediatric Surgery
  • Genetics

Background:

  • Alagille syndrome (ALGS) is a genetic disorder that can cause complex pulmonary artery disease.
  • Pulmonary artery reconstruction surgery is a potential treatment for these patients.
  • Outcomes of this surgery in ALGS patients are not well-established.

Purpose of the Study:

  • To assess the outcomes of pulmonary artery reconstruction surgery in a large cohort of patients with Alagille syndrome.
  • To compare outcomes based on the primary cardiovascular diagnosis.

Main Methods:

  • Retrospective review of Alagille syndrome patients who underwent pulmonary artery reconstruction surgery.
  • Cohort analysis based on diagnosis: severe isolated branch pulmonary artery stenosis, Tetralogy of Fallot (TOF) without major aortopulmonary collateral arteries (MAPCAs), or TOF with MAPCAs.

Main Results:

  • Eighty percent of 51 ALGS patients achieved complete repair.
  • Patients with TOF/MAPCAs had lower complete repair rates (25%) and worse outcomes compared to other groups.
  • At 1.7 years follow-up, 76% of patients were alive with a complete repair.

Conclusions:

  • Most ALGS patients with complex pulmonary artery disease can achieve complete repair with acceptable outcomes.
  • TOF/MAPCAs are associated with higher mortality and increased need for interventions.
  • Complex pulmonary artery disease does not preclude liver transplantation in ALGS patients.
Abstract

Related Concept Videos

Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

Aortic valve regurgitation (AR) occurs when the aortic valve fails to close properly, allowing blood to flow backward from the aorta into the left ventricle. This backflow can result in two distinct clinical presentations: acute and chronic AR, each characterized by its own set of symptoms and physical findings.Acute Aortic RegurgitationAcute AR presents with a sudden onset of severe symptoms. Patients typically experience profound dyspnea (shortness of breath), chest pain, and signs of left...
242
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...
456
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,...
469
Aortic Regurgitation IV: Nursing Management01:17

Aortic Regurgitation IV: Nursing Management

A nurse managing a patient with aortic regurgitation begins with a comprehensive assessment, including a review of the patient's medical history, family history, and lifestyle factors. During the cardiac examination, the nurse listens for heart sounds and checks for signs of valve abnormalities. The nurse also observes for symptoms such as dyspnea, orthopnea, and paroxysmal nocturnal dyspnea and assesses the patient's endurance and daily activity tolerance.Based on the findings, the nurse...
184
Mitral Stenosis I: Introduction01:22

Mitral Stenosis I: Introduction

Mitral Valve Stenosis (MVS) is a heart condition where the mitral valve narrows, impeding blood circulation from the left atrium to the left ventricle. The etiology and pathophysiology of this condition are multifaceted, leading to a cascade of cardiovascular complications.Causes of Mitral Valve StenosisRheumatic Heart Disease: It is the main cause of mitral valve stenosis, particularly in developing nations. This condition arises from rheumatic fever, an inflammatory illness resulting from...
208
Mitral Stenosis II: Clinical features and Diagnostic Tests01:23

Mitral Stenosis II: Clinical features and Diagnostic Tests

Mitral stenosis is a heart condition in which the mitral valve, which allows blood to flow from the left atrium to the left ventricle, becomes narrowed or stenotic. This narrowing hinders blood flow and leads to clinical symptoms requiring specific medical evaluations and management strategies. The following overview outlines the clinical symptoms, assessments, diagnostic findings, prevention methods, and treatments for mitral stenosis.Clinical ManifestationsDyspnea (shortness of breath): This...
117