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Cystic Fibrosis
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Cystic Fibrosis (CF) is a rare, genetic disorder that is passed from parents to children.
It is caused by inheriting two defective (or abnormal) copies of the gene cystic fibrosis transmembrane conductance regulator (CFTR) protein. This mutation makes mucus and other secretions much thicker and difficult to clear.
As a result, there is a build-up of mucus and thick fluids, which creates blockage and obstructs vital organs. CF is a multi-systemic disease that affects the respiratory tract, pancreas, digestive system, and liver.
Doctors can screen for and diagnose CF at birth with a positive newborn screening test. Diagnosis is further confirmed with a pilocarpine-induced sweat test and genetic testing.
More than 30,000 people in the U.S. are living with cystic fibrosis and around 1,000 people are diagnosed with CF each year.
Related Symptoms and Health Concerns
People experience different CF symptoms because CF affects multiple organs:
- Lungs: chronic inflammation and obstruction, lung infections, and trouble breathing. Common symptoms include coughing up thick mucus, wheezing, difficulty breathing, frequent lung infections, and airway inflammation.
- Pancreas: low enzyme and vitamin levels needed for absorbing nutrients. Damage can lead to CF-related diabetes.
- Liver: blocked bile ducts, which can cause damage to the liver.
- GI tract: constipation or obstruction in the intestines. Symptoms include abdominal pain, constipation, malnutrition, or inadequate weight gain.
- Miscellaneous: fertility problems, urinary incontinence, and increased risk of GI-related cancers
Treatment
Cystic Fibrosis is treatable, but it does not have a cure. Cystic Fibrosis is more manageable with newer drugs coming to market.
- Oral medications:
- Pancreatic enzymes to increase absorption of necessary nutrients.
- CFTR modulators that target and improve function of defective protein.
- Anti-inflammatory to reduce inflammation.
- Antibiotics to help treat or prevent infection and inflammation.
- Nutritional supplements with high dose fat-soluble vitamins.
- Air clearance: Loosens mucus build up in the lungs.
- Inhaled medications: Thins mucus and opens airways.
Treatment Goals
The primary goal of cystic fibrosis treatment is to reduce symptom severity, slow disease progression, and increase survival by…
Maintaining lung function
Preventing and treating lung infections
Loosening and removing inflammation-causing mucus from the lungs
Preventing and treating of blockages in the intestines
Promoting adequate nutrition to maintain growth and appropriate BMI
Encouraging adequate hydration
Improving or maintaining quality of life
Increasing survival and life expectancy
Maintaining optimal therapy adherence
Preventing, minimizing, and managing side effects
Strategies to AchieveTreatment Goals
Adhere to drug therapy
Improve diet and nutrition to maintain growth and appropriate BMI
Prevent, minimize, and manage side effects
Prevent and treat lung infections
Minimize disruption to daily life due to CF symptoms and treatment burden
Additional Resources
Patient Resources
Additional Resources
Sources
- Lahiri, Thomas, et al. “Clinical Practice Guidelines From the Cystic Fibrosis Foundation for Preschoolers With Cystic Fibrosis.” American Academy of Pediatrics, American Academy of Pediatrics, 23 Mar. 2016, pediatrics.aappublications.org/content/early/2016/03/22/peds.2015-1784.
- Mogayzel, Peter J, et al. “Cystic Fibrosis Pulmonary Guidelines Chronic Medications for Maintenance of Lung Health.” American Journal of Respiratory and Critical Care Medicine, 3 Jan. 2013, www.atsjournals.org/doi/full/10.1164/rccm.201207-1160OE.