Brenda Khan
Cystic Fibrosis (CF) is a life-threatening genetic disorder that causes thick, sticky mucus to build up in the lungs and digestive tract. This can lead to serious problems such as pancreatic insufficiency, which affects the body's ability to digest food and absorb nutrients. As a result, people with CF have specific dietary needs and may require a high-calorie, high-fat, and high-salt diet. Maintaining a good nutritional status can help improve their well-being, control symptoms, and fight infections.
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What You'll Learn
A balanced diet with carbohydrates, fats, and proteins
A balanced diet is essential for people with cystic fibrosis (CF). They require up to twice as many calories as people without CF because they have increased energy requirements for breathing normally, fighting lung infections, and compensating for poor digestion. A balanced diet for someone with CF should include carbohydrates, fats, and proteins.
Carbohydrates
It is recommended to choose whole grains over refined grains. Examples of whole grains include brown rice, whole wheat bread and pasta, quinoa, and oatmeal. These foods provide a good source of complex carbohydrates, which can help with weight gain and maintaining energy levels.
Fats
People with CF often need to increase their fat intake to meet their higher energy needs. Healthy sources of fats include fatty fish such as salmon, herring, and trout, as well as nuts, seeds, and avocados. Full-fat dairy products like milk, cheese, and yogurt are also good sources of fat and calcium. Additionally, cooking methods can be used to add extra fat to meals, such as adding butter or oil to pasta, rice, potatoes, or cooked vegetables.
Proteins
Protein is an essential component of a balanced diet for people with CF. Fish and seafood are excellent sources of protein, as well as providing iron and vitamin D. Other good sources of protein include meat, poultry, eggs, and plant-based sources such as beans, lentils, and tofu. It is recommended to include protein with meals and snacks. For example, adding peanut butter to a banana sandwich or having cheese crackers as a snack.
It is important to note that the dietary needs of people with CF may vary, and it is always best to consult with a doctor or dietitian to determine the most appropriate diet plan for an individual's specific needs.
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High-calorie foods
People with cystic fibrosis require a higher calorie intake due to their body using more energy to fight chronic chest infections. They may also need to consume extra salt to replace the salt lost through sweat, especially during hot weather or when exercising.
A balanced diet is essential for people with cystic fibrosis, and they should avoid foods labelled as "diet", "low-fat", "fat-free", or "reduced-calorie". Instead, they should focus on consuming a variety of foods from different groups: carbohydrates, fats, and proteins.
- Add extra butter or oil to pasta, rice, potatoes, or cooked vegetables.
- Pair raw vegetables with salad dressing or hummus.
- Top salads and sandwiches with avocados or guacamole.
- Grill sandwiches in butter or margarine.
- Include full-fat dairy products, such as cream, cheese, and yogurt, as they are good sources of fat and calories.
- Add a splash of heavy cream to milk, oatmeal, smoothies, or cream-based soups.
- Focus on high-calorie snacks like trail mix, peanut butter and banana sandwiches, or cheese crackers.
- Try calorie-rich nutrition supplements, which also contain protein, vitamins, and minerals.
- If recommended by a doctor, consider tube feedings for extra calories.
- Eat smaller meals 4-6 times a day to improve digestion and manage symptoms.
- Plan and pack high-calorie snacks to ensure you're always prepared.
- Use a slow cooker to make hearty meals, like overnight oatmeal with heavy cream and dried fruit.
- Stock up on single-packet servings of peanut butter, jelly, cream cheese, and other high-calorie foods for easy snacking.
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High-salt foods
People with cystic fibrosis have specific dietary needs. They require a balanced diet with up to twice as many calories as people without cystic fibrosis. This is because the condition causes a chronic chest infection, which means the body uses more energy.
In the past, a high-salt diet was recommended for people with cystic fibrosis. This is because people with cystic fibrosis lose salt through sweating and may need to increase their salt intake to replace this. They may need to consume extra salt during hot weather and when exercising. However, new therapies have shifted the focus of a healthy diet for cystic fibrosis patients. The goal now is to consider how the diet can promote healthy ageing and prevent other conditions such as heart disease or cancer. As a result, the recommendation for a high-salt diet for cystic fibrosis patients has likely changed. It is important to consult a doctor or dietitian for personalised advice.
While most foods are suitable for people with cystic fibrosis, they should avoid foods labelled as "diet", "low-fat", "fat-free", or "reduced-calorie". Instead, they should consume a balanced diet with extra calories and fats. This may include adding extra butter or oil to pasta, rice, potatoes, or cooked vegetables, and including more full-fat dairy products, such as full-fat yoghurt.
Teens with cystic fibrosis may also need to take prescribed enzymes with meals and snacks to aid digestion and maintain a healthy weight. Additionally, nutrition supplements or tube feedings may be recommended to help with weight gain.
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Nutritional supplements
Vitamin and mineral supplements are commonly recommended for people with CF. Specifically, fat-soluble vitamins A, D, E, and K, as well as minerals like iron and zinc, may be prescribed to compensate for potential deficiencies. These supplements help support overall health and can improve quality of life.
Additionally, doctors may prescribe pancreatic enzyme replacements, also known as PERT. These enzymes aid in the digestion and absorption of proteins and fats, addressing the issues caused by pancreatic insufficiency, which is common in people with CF. Enzymes should be taken with all meals and snacks containing fat and protein, and they must be swallowed whole, not chewed or crushed.
In cases where dietary intake and nutritional supplements are insufficient, tube feedings may be recommended. Enteral nutrition, delivered through a feeding tube or a gastrostomy-jejunostomy (G-J) tube, can provide overnight feedings to boost calorie and nutrient intake. This approach can be particularly beneficial for teens, as it allows them to have normal meals and activities during the day while still meeting their nutritional needs. Tube feedings can improve weight gain and relieve the stress associated with eating.
It is important to work closely with a doctor or dietitian specializing in CF to determine the appropriate nutritional supplements and tube feedings. They will consider factors such as age, weight, height, symptoms, lung function, and activity level to tailor a specific plan for each individual with CF.
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Pancreatic enzyme replacements
Cystic Fibrosis (CF) is a genetic disorder usually diagnosed in early childhood. CF patients often experience sticky mucus that blocks the normal absorption of nutrients and fat in the intestines, resulting in pancreatic insufficiency. This condition affects the body's ability to digest food and absorb vitamins properly, leading to malnutrition, weight loss, and poor growth.
Pancreatic enzyme replacement therapy (PERT) is a crucial treatment for individuals with CF, as it helps overcome enzyme deficiencies. Between 80-90% of people with CF require PERT to prevent malnutrition and improve their nutritional status. PERT involves taking enzyme supplements with meals and snacks to aid digestion and maintain a healthy weight. The dosage of these enzymes needs to be adjusted according to the food consumed and the patient's weight, growth, and bathroom habits.
PERT has been effective in alleviating symptoms such as frequent and foul-smelling bowel movements, abdominal bloating, and diarrhoea. However, there have been rare cases of colonic stricture associated with high doses of PERT, emphasizing the importance of careful dosing.
While PERT is essential for managing CF, it is just one aspect of a comprehensive treatment plan. Maintaining a well-balanced, healthy diet is also crucial for CF patients. They require a diet rich in calories and fats to meet their increased energy needs and promote healthy growth and weight gain. Nutrition supplements, tube feedings, and working with a dietitian are other important considerations to ensure adequate nutrition and prevent malnutrition.
Overall, the combination of PERT and a well-balanced diet can help CF patients improve their well-being, control their symptoms, and fight infections.
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Frequently asked questions
A patient with cystic fibrosis would have a diet that is high in calories, fat, and salt. This is because people with cystic fibrosis have increased calorie and fat needs. They require up to twice as many calories as people without cystic fibrosis.
Some examples of foods that are suitable for a patient with cystic fibrosis include:
- Whole milk
- Enriched milk
- Peanut butter
- Butter
- Sour cream
- Yogurt
- Breaded meat, chicken, and fish
- Cheese
- Crackers
- Trail mix
Patients with cystic fibrosis should avoid foods that are labelled as "diet", "low-fat", "fat-free", or "reduced-calorie".
Patients with cystic fibrosis may need to eat several small meals a day. This is because they may feel full quickly due to their stomach being slow to empty.
It is important for patients with cystic fibrosis to stay hydrated by drinking plenty of fluids. They should also take supplements and pancreatic enzymes to help with digestion and absorption of nutrients.
