Newman CF Flashcards
inheritance of CF
autosomal recessive
chromosome
long arm of 7
CF affects what glands
Exocrine (lungs, pancreas, liver, intestines, gonads)
ethnicity for CF
ashkenazi Jews
describe the ion effects of CF
- Decrease secretion of chloride
- increase reabsorption of sodium and water across epithelial cells
Things that affect the pnenotypic presentation of CF pts
- non-genetic factors (environment, etc)
- modifier genes
Most common clinical presentations of CF?
- chronic and progressive lung disease
- exocrine pancreatic insufficiency
pathogens in early childhood
- Staph Aureus
- nontypeable H. flu
pathogens later in life
pseudomonas
pulmonary function spirometry finding for CF
obstructive disease . . scooping of expiratory curve
cause of death in CF
respiratory failure and cor pulmonale
What is the GI symptom in a neonate associated with CF
meconium ileus or meconium plug
abdominal distention at birth. vomiting. not passing stool
Describe pancreas and CF
- pancreatic insufficiency
- pancreatic enzymes are prevented from reaching the gut
- you get fat soluble vitamin deficiency and nasty stools
- failure to thrive
symptom of CF patients in 8-12% of those older than 25
diabetes mellitis
Liver disease in CF
ductules are plugged, OBSTRUCTIVE CIRRHOSIS
Gall bladder and CF
Gall stones more prevalent
End result of Liver involvement in CF
Portal HTN/esophageal varices
Male genitourinary in CF
azospermia secondary to agenesis of the vas deferens
Result of vitamin A deficiency in CF
dry skin
Result of vitamin B deficiency in CF
cheilosis
upper respiratory and CF
nasal polyps
LOOK AT CRITERIA FOR DIAGNOSIS OF CF. SLIDE 35 OF NEWMAN
SLIDE 35!!
Describe when you do newborn screening for CF
universally required in all 50 states
What is the newborn screening for CR testing for
immunoreactive trypsinogen (IRT) which is a pancreatic protein typically elevated in infants with CF
What do you do if ou find a high IRT in a newborn
repeat IRT and/or perform sweat cholride or DNA test
Medications frequently used for CF
- nebulized, inhaled, oral, or IV antibiotics
- high dose NSAIDS