Cystic Fibrosis Flashcards
what is it
alteration of viscosity and tenacity of mucus
what is genetics of it
autosomal recessive, 1 in 25 people carry CFTR gene
what are respiratory effects
commonest cause of recurrent bronchopulmonary infection in childhood
what is GI effects
85% of patients have steatorrhoea (excretion of fat with faeces) due to pancreatic dysfunction or insufficiency
what are other symptoms
biliary disease high sodium sweat malnutrition puberty and skeletal maturity delay males almost always infertile
how is it diagnosed
sweat test confirms in 98%
molecular test for CFTR gene
sinux XR/CT - show opacification of sinuses
CXR or CT thorax
how is it treated
symptomatic
G551D - Ivecaftor
F508Del - lumacaftor
what are complications
most of morbidity due to respiratory disease eg bronchiectasis, progressive airflow destruction, cor pulmonale, death