Related Experiment Video
Updated: Apr 22, 2026

Protocol and Guidelines for Point-of-Care Lung Ultrasound in Diagnosing Neonatal Pulmonary Diseases Based on International Expert Consensus
Published on: March 6, 2019
Late-onset Pompe disease with left-sided bronchomalacia
Chia-Feng Yang1, Dau-Ming Niu2, Mei-Jy Jeng1
1Department of Pediatrics, Taipei Veterans General Hospital, Taipei, Taiwan.
Late-onset Pompe disease can affect the lower airways, a rare occurrence. Flexible bronchoscopy successfully diagnosed and managed airway collapse, stabilizing respiratory function and resolving pulmonary hypertension.
Area of Science:
- Rare genetic disorders
- Pulmonology
- Neuromuscular diseases
Background:
- Pompe disease is a rare genetic disorder caused by alpha-glucosidase deficiency.
- Late-onset Pompe disease (LOPD) typically presents with progressive muscle weakness.
- Lower airway involvement is uncommon in LOPD.
Observation:
- A 16-year-old female with LOPD experienced significant respiratory decline.
- Echocardiography revealed pulmonary hypertension.
- The patient was undergoing enzyme replacement therapy and nocturnal CPAP ventilation.
Findings:
- Flexible bronchoscopy identified and led to the stenting of a collapsed bronchus.
- Post-stenting, the patient's pulmonary function stabilized.
- Pulmonary hypertension resolved after the intervention.
Implications:
- This case demonstrates that lower airway compromise can occur in LOPD.
- Flexible bronchoscopy is an effective diagnostic and therapeutic tool for lower airway collapse in LOPD.
- Timely intervention can improve respiratory outcomes in affected patients.
Related Concept Videos
Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features
Chronic Obstructive Pulmonary Disease IV: Clinical Manifestations
Chronic Obstructive Pulmonary Disease II: Emphysema
COPD: Pathogenesis and Clinical Features
The primary cause for the onset of COPD is cigarette smoking and exposure to air pollution. These hazardous factors initiate a chain reaction within the lungs, resulting in chronic inflammation, damage to the airways, and a...
Chronic Obstructive Pulmonary Disease I: Introduction
Chronic Obstructive Pulmonary Disease-II: Pathophysiology
Chronic Inflammation

