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About Cystic Fibrosis (CF): Symptoms, Causes, Diagnosis and Treatment

About Cystic Fibrosis (CF): Symptoms, Causes, Diagnosis and Treatment

by Hibah Ahmad · December 19, 2020

Can cystic fibrosis be inherited? Yes, it is a progressive, genetic disease that affects the lungs and digestive system. The body produces large amount of thick, gum like mucus that can jam your lungs and cause pancreatitis.

Can you live a long life with cystic fibrosis? The answer is that the people with cystic fibrosis tend to have a shorter life than normal people and it can be life threatening in some cases.

There is cure of cystic fibrosis. But according to the recent improvements in technology, people with cystic fibrosis tend to live up-to 40 years and beyond. 75% of the new diagnosis are children under the age of 2.

Continue reading to learn more about cystic fibrosis.

1.

Cystic Fibrosis Major Symptoms

The production of mucus, clogs your lungs. It causes difficulty in breathing at times.

Moreover, the presence of mucus provides a space for germs to grow and multiply. This can often lead to serious infection and organs’ inflammation.

It can in turn cause damage to your lungs and even respiratory failure.

Symptoms of cystic fibrosis

Common Symptoms

The common symptoms of cystic fibrosis include,

  • Salty tasting
  • Increased coughing (sometimes include phlegm)
  • Repeated lung infections like bronchitis and pneumonia
  • Breathlessness and wheezing
  • Below average weight and poor growth even after taking good diet
  • Problems in bowel movement or frequent discharge of greasy and big stools
  • Chronic infection of sinus
  • Polyps or fleshy growths inside nose
  • Swelling of fingertips and toes
  • Rectal proplapse
  • Issues of infertility in males

Other Related Symptoms

Cystic fibrosis can cause blockage of your lungs, which increases the chances of developing more frequent infections. Therefore, the major concern in people with CF is to reduce the chances of contact with germs.

The presence of mucus in your pancreas prevents the release of digestive enzymes. The lack digestive enzymes result in poor growth and malnutrition.

It can also increase the risk for diabetes and osteoporosis.

 

2.

What Causes Cystic Fibrosis?

Cystic fibrosis is a hereditary disease which means it can be passed on from parents to their children. In some cases, you have to receive the defected gene from both parents to acquire the disease.

Code for the protein that maintains the balance of water and salt in the body (including lungs and pancreas), is missing in the defective gene.

The water salt balance is disturbed in CF which causes low amounts of water and salt outside the organs, producing thick, gum-like mucus.

Cystic fibrosis causes

People with one copy of defected genes, also called recessive genes, are only carriers of the disease. They do not carry any symptoms or conditions related to it. Such diseases are also known as autosomal recessive.

In order to have the symptoms of cystic fibrosis, it is must for both parents to be carriers.

Chances of Having Cystic Fibrosis

A child with both parents as carriers has the following possibilities,

  • 25% chance of having cystic fibrosis
  • 50% chance of being a carrier but not having cystic fibrosis
  • 25% chance of neither being a carrier not having the disease

Effects of Cystic Fibrosis

Other than what causes CF, it is important to know what CF does to you. A thick mucus is produced in this disease which can cause damage to lung, pancreas and other organs of your body.

This gum-like mucus can also block the bile duct which can lead to liver disease in some.

Cystic fibrosis can also affect the ability to have children in men. However, it doesn’t affect the sexual development in either men or women.

 

3.

How is Cystic Fibrosis Diagnosed?

Its early diagnosis helps in your early treatment; important for a more healthy and balanced life.

The defective gene in cystic fibrosis has a minor abnormality also called mutation. Currently the number of known mutations of CF are 1,700.

The genetic tests are done to find out the mutations but generally these tests only screen a few common mutations. So they can sometimes fail to detect a mutation. Therefore, the tests can be misleading in some cases.

Diagnosis of cystic fibrosis

Quick Diagnosis

Diagnosing the cystic fibrosis some times include a series of tests. It may include screening of newborn, sweat test, genetic test and the detailed assessment for cystic fibrosis.

Mostly it is diagnosed by the age of 2 while some are diagnosed as adults. The doctor who has specialisation in cystic fibrosis carries out required test and further recommends tests, if needed.

1. Newborn Screening

The newborn screening includes taking a sample of blood from the newborns and screening it for the presence of CF. This is useful to tell if the baby needs any further investigation or he/she is healthy.

2. Sweat Chloride Test

Sweat chloride test is useful in diagnosing cystic fibrosis. It involves collecting samples of sweat to assess the increased percentage of salt. The test usually involves the production of sweat by using certain chemicals.

It involves usage of pads or papers to collect sweat and assess it later. The higher levels of salt than usual indicate the presence of cystic fibrosis.

3. Carrier Test

Carrier test, often called genetic tests, involve the analysis of cheek cells or a blood sample. The tests usually indicate the presence of carrier CF gene. But they are also useful in confirming the diagnosis after the a doubtful sweat test.

4. Sputum Test

The sputum test involves collecting a sample of mucus. It can also help in identifying the existence of infection and tell about the type of germs.

It can also help in determining the use of antibiotics to treat CF.

5. Chest X-ray

Chest X-ray can be very helpful in finding blockages in lungs and the swellings caused by it.

6. CT Scan

A CT scan can be very helpful in assessment using detailed images of the lungs and other organs from different directions. It helps your doctor to check the damages caused by this disease to other organs.

7. Lung Capacity Test

Lung capacity, also called pulmonary function test, assesses the problems during inhalation and exhalation of air. It also assesses the ability of lungs to distribute oxygen to other body parts. Any problems in lung capacity can indicate the presence of this illness.

Incidence of Cystic Fibrosis

The incidence of cystic fibrosis is 1 in every 15,000 births in United Arab Emirates. A severe clinical presentation co-occurs with the disease.

If we look at the incidence of CF globally, more than 70,000 people have cystic fibrosis and 1000 people are added each year. More than half of this population is 18 years or older.

 

4.

Best Treatments for Cystic Fibrosis

The severity of cystic fibrosis varies from one person to another. Therefore, regardless of using same treatment plans, they can be changed according to your personal needs.

The people having CF and their families know more about the problems caused by it and how it affects their day to day life.

Therefore, the patient, family and doctor can work as a team to choose treatment plans that are suitable to their personal and health goals.

Treatment for asthma

Although there is no definite cure for CF but you can relieve your symptoms and the chances for complications by using different available treatment options.

People with cystic fibrosis are now living longer and happier lives than before. All the credit for it goes to the new treatment options and improvement in CF care.

Medications

  • Antibiotics play an important role in recovering from an infection and protection from getting it again in future. You can take these orally or inject into vein.
  • Medication for thinning mucus, can prove to be very useful in making it less sticky. When you cough, the mucus leaves your  lungs. Thus, it improves your lung function too.
  • Bronchodilators, relax the tubes of lungs which significantly improve the airflow and breathing. You can take these by either inhalers or nebulisers.
  • Other drugs including cystic fibrosis transmembrane conductance regulator (CFTR) modulators are used to improve the function of defective gene. These play an important in advance management of CF as they do not control the effects of CF, rather they target the defective CFTR gene.

Surgical Procedures

  • Bowel surgery involves the surgical removal of a stool which might be blocking your bowel movement.
  • Feeding tubes are used as cystic fibrosis can affect the digestive system as well. These tubes help in carrying nutrients and food to the stomach either by inserting tube through your nose or directly inserting it in your stomach.
  • Transplant is another option when other treatment options are not helping in maintaining the health and function of lungs. This procedure improves the duration and quality of your life.

Most people after transplant, report a improved health and energy levels and lack of symptoms of coughing and breathlessness.

Physical Therapy

Chest physical therapy helps in getting rid of the excess mucus from the lungs and makes it easier for you to cough. It is preferably repeated 4-5 times per day.

A common technique involves clapping with cupped hands on the side of your chest to improve the airflow though lungs.

 

5.

Cystic Fibrosis Life Expectancy

Although there is no full cure to it but you can improve your health and increase your life expectancy by taking good care of health and proper medical management.

The effects of cystic fibrosis are highly subjective which depend on different factors such as age of diagnosis, over all health, quality of life and the duration of disease.

Increasing life expectancy in cystic fibrosis

Improvements in the treatment and medicines over past few years have added more years and better health to the life of people with cystic fibrosis.

If we compare the past cases of CF, a child could not live through his elementary school years. But now, due to these improvements individuals live through their 30’s and 40’s.

Routine therapies and healthy lifestyle aids people in living an active life.


If you found this article informative in any way, please feel free to share. Give your valuable suggestions and feedback in the comments sections below.

 

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1 comment on “About Cystic Fibrosis (CF): Symptoms, Causes, Diagnosis and Treatment

  1. Ruhy Naz December 20, 2020 / Reply

    Very informative and well written article

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