Developmental lung disease Flashcards
What are some congenital lung abnormalities?
Laryngomalacia
Tracheomalacia
Tracheo-oesophageal fistula
Congenital pulmonary airway malformation
Congenital diaphragm hernia
What is laryngomalacia?
Collapse of larynx
Presents with stridor
What is tracheomalacia?
Collapse of tracheal walls
Barking cough
Recurrent croup
Stridor
Breathless
What is tracheo-oesophageal fistula?
Abnormal connection between trachea and oesophagus
Choking, colour change, cough with feeding
Requires surgical repair
What is pulmonary airway malformation>
Abnormal functioning lung tissue
What is diaphragmatic hernia?
Abdominal organs push through hole in diaphragm
Most common type is Bochdalek
Left>Right
What are some neonatal lung diseases?
Transient tachypnoea
Respiratory distress syndrome
Bronchopulmonary dysplasia
What is transient tachypnoea?
Fluid in lungs doesn’t clear effectively
What is RDS?
Surfactant deficiency
What is the treatment of RDS?
Steroids
Surfactant replacement
Nutrition
Ventilation
What is bronchopulmonary dysplasia?
Premature infants require long term oxygen
What are the 5 stages of lung development?
Embryonic
Pseudo glandular
Canalicular
Saccular
Alveolar
What weeks is embryonic stage?
3-8 weeks
What weeks is pseudoglandular stage?
5-17 weeks
What weeks is canalicular stage?
16-26 weeks
