Cystic Fibrosis
Overview
Cystic fibrosis is an inherited disease that causes thick, sticky mucus to build up in the lungs and digestive tract. It is one of the most common type of chronic lung disease in children and young adults, and may result in early death.
Symptoms and Facts
Cystic fibrosis (CF) is caused by a defective gene which tells the body to produce abnormally thick and sticky fluid, called mucus. This mucus builds up in the breathing passages of the lungs and the pancreas, the organ that helps to break down and absorb food.This collection of sticky mucus results in life-threatening lung infections and serious digestion problems. The disease may also affect the sweat glands and a man's reproductive system.
Millions of Americans carry the defective CF gene, but do not have any symptoms. That's because a person with CF must inherit two defective CF genes -- one from each parent. An estimated 1 in 29 Caucasian Americans have the CF gene. The disease is the most common, deadly, inherited disorder affecting Caucasians in the United States. It's more common among those of Northern or Central European descent.Most children with CF are diagnosed by age 2. A small number, however, are not diagnosed until age 18 or older. These patients usually have a milder form of the disease.Because there are more than 1,000 mutations of the CF gene, symptoms differ from person to person. But in general they include:
Belly pain from severe constipation
Coughing or increased mucus in the sinuses or lungs
Delayed growth
FatigueInfants may have salty-tasting skin
No bowel movements in first 24 to 48 hours of life
Stools that are pale or clay colored, foul smelling, or that float
Recurrent respiratory infections such as pneumonia or sinusitis
Weight loss, or failure to gain weight normally in childhood
Cystic Fibrosis
Treatment and Care
An early diagnosis of CF and a comprehensive treatment plan can improve both survival and quality of life. Specialty clinics for cystic fibrosis may be helpful and can be found in many communities.
Treatment for lung problems includes:
Antibiotics to prevent and treat lung and sinus infections
Inhaled medicines to help open the airways
DNAse enzyme replacement therapy to thin mucus and make it easier to cough up
Lung transplant, in some cases
Treatment for intestinal and nutritional problems may include:
A special diet to help with nutrition (see: Cystic fibrosis nutritional considerations)
Pancreatic enzymes to replace those that are missing
Vitamin supplements, especially vitamins A, D, E, and K
The most common complications are chronic respiratory infections.
Coughing up blood
Chronic respiratory failure
Cor pulmonale
Diabetes
Liver disease
Malnutrition
Osteoporosis and arthritis
Pneumonia, recurrent
Pneumothorax
Living Your Life
If you have a child with cystic fibrosis, one of the best things you can do is to learn as much as possible about the disease. Diet, medication and early recognition of infection are important.Also important for most patients is performing daily chest percussion to drain mucus from your child's lungs. Your doctor or respiratory therapist can show you the best way to perform this lifesaving procedure.
In addition, the following steps can help aid your child's health:
Keep your child's immunizations up to date. In addition to other usual childhood vaccines, this includes the pneumococcal and influenza vaccines. Cystic fibrosis doesn't affect the immune system, but children with cystic fibrosis are more likely to develop complications when they become sick.
Encourage your child to lead as normal and active a life as possible. Exercise is extremely important for people of all ages who have cystic fibrosis. Regular exercise helps loosen mucus in your airways and strengthens your heart and lungs. And for many people with cystic fibrosis, participating in sports can improve confidence and self-esteem. It isn't necessary to take part in an organized sport or take classes at a gym. Anything that gets you moving, including walking and biking, can help.
Make sure your child eats a healthy diet. Be sure to discuss your child's dietary needs with your doctor or a nutritionist.
Use nutrition supplements. Provide the fat-soluble vitamin supplements and pancreatic enzymes your child needs to stay as healthy as possible.
Emphasize liquids. Encourage your child to drink plenty of liquids to help loosen the mucus. This is especially important in the summer when children are active and tend to lose a lot of fluids.
Eliminate smoke. Don't smoke in your home or car, and don't allow other people to smoke around your child. Secondhand smoke is harmful for everyone, but especially for people with cystic fibrosis.
Encourage hand washing. Teach everyone in your family to wash their hands thoroughly before eating, after using the bathroom, when coming home from work or school, and after being around a person who is sick. Hand washing is the best way to protect against infection.
Today, the average life span for persons with CF who live to adulthood is approximately 35 years, a dramatic increase over the last three decades. Death is usually caused by lung complications.