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HUNT243 > Lecture 13-food allergy practical > Flashcards

Lecture 13-food allergy practical Flashcards

Food Allergy

1
Q

Adverse food reaction
breaks into 2 categories

A

1)Food allergy (immune medicated)
2)Food intolerance (non immune mediated e.glactose intolerance)

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2
Q

Food allergy (immune mediated) breaks into three categories

A

-IgE mediated
-Mixed IgE/ Non-IgE-mediated
-Non-IgE-mediated

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3
Q

IgE-mediated

A

Immediate onset (<60min)
- Allergy
-Anaphylaxis

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4
Q

Mixed IgE/ Non-IgE-mediated

A

-Atopic dermatitis
-Eosinophilic Oesophagitis

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5
Q

Non-IgE-mediated

A

-Food protein-induced allergic proctocolitis
-Food Protein-induced Enteropathy
-Food Protein-Induced Enterocolitis syndrome
-Other enteropathy:coeliac disease

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6
Q

Food allergy can occur in ……% of under 1yr olds

A

10%

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7
Q

Food allergy can occur in ……% of under 5yr olds

A

4-8%

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8
Q

When is the reponse to immune mediated food allergy

A

Quick response 1 hrs of ingestion of food

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9
Q

IgE mediated Food allergy can occur in

A

Childhood and adulthood

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10
Q

symptoms of IgE mediated Food allergy

A

Hives, swelling, breathing difficults, vomiting, floppy/pale

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11
Q

what is IgE mediated Food allergy associated with

A

anaphylaxis

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12
Q

What are common foods that cause IgE mediated Food allergy

A

Peanut, treenuts, milk, eggs, wheat, soy, fish, seafood, sesame, but can be other foods

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13
Q

Diagnosis IgE mediated Food allergy

A

Diagnosis with clinical symptoms and positive SPT or serum IgE antibody tests

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14
Q

They will number what food allergues they are testing and in what part of the body for adults and children

A

They will number what food allergies they are testing
The will test it on the forearm for adults and they will do it on the babies back

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15
Q

what will the specialist measure after the prick

A

The specialist will measure how big the wheel and the raise is of the affected area

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16
Q

when do non-IgE mediated food allergy usually occur

A

These usually occur within the first year of life and usually resolve in early childhood

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17
Q

what does non-IgE mediated food allergy involve

A

The immune system

18
Q

when does non-IgE mediated food allergy react

A

Delayed reaction 2hrs-24hrs

19
Q

what does the non-IgE mediated food allergy usually involve

A

Gastrointestinal system, such as blood/mucus in stools, reflux, diarrhoea/constipation,excessive crying/abdominal pain

20
Q

diagnosis of non-IgE mediated food allergy

A

Diagnosis with clinical symptoms and will have negative SPT/serum IgE testing

21
Q

non-IgE mediated food allergy : Food protein induced allergic protocololitis

A

Occurs in first year of life. Causes blood/mucus in stools and unsettledness. Infant often thriving. Most common cause are cows milk, and soy

22
Q

non-IgE mediated food allergy: Food protein-Induced Enteropathy

A

Inflammation of the small intestine in early infancy. Causes reflux, loose stools, can be mucus/blood in stools, sometimes poor weight gain, unsettledness, possibly bloating and malabsorption. Most common cause is cows milk and soy.

23
Q

non-IgE mediated food allergy: Food protein-Induced Enterocolitis syndrome

A

Profuse vomiting around 2-4 hrs after ingestion of food, may go pale/floppy, fatigue and usually starts in early infancy. Most common food triggers are rice, cows milk, soy, oats and beed

24
Q

Prevention of food Allergy

A

from 6 months and before 12 months of age, introduce all allergen foods into the infants diet, offer regulary once introduced

25
Q

Food Intolerance is more common in

A

Older children and adults

26
Q

Food Intolerance reaction time

A

Delayed reaction after ingestion of a large amount of the food

27
Q

Food Intolerance is most common in

A

Lactose and fructose intolerance, other FODMAP foods

28
Q

Food Intolerance cause

A

Cause abdominal pain, diarrhoea/constipation, bloating, gas

29
Q

Food Intolerance can be related to reduction

A

In digestive enzymes e.g lactase

30
Q

A dietitian role in food allergy/intolerance

A

-Education on what it is
-Help identify the food allergy
-Give advice avoidance
-Food alternatives
-Read food labels
-Growth monitoring
-Altering family meals advice
-Ensure nutritional requirements are met
-Infant formula prescription
-Other supplements
-Support to reintroduce food allergen if ready

31
Q

Infant Milks for IgE and Non-IgE cows milk Protein allergy:

A

-Lactose free formula is not suitable as a baby is reacting to the protein in the milk
-Many infants that react to cows milk will react to soy
-Infants under 6 months should not be given soy formula, but can be given after 6 months of age

32
Q

Extensively hydrolysed formula

A

Not suitable for infants with severe cows milk protein allergy or anaphylaxis

33
Q

What are the three infant milk for IgE and non-IgE cows milk protein allergy

A

-Extensively hydrolysed formula
-Rice Formula
-Amino Acid Formula

34
Q

Advice for family given

A

Continue breastfeeding and mum was following a low dairy diet
-inform of food substitutes
-Read food labels
-Encourage and explain intro of allergens
-Ezzema manangement
-Growth closely monitored

35
Q

Advice in the toddler years

A

-Continue breastfeeding until around 2 years
-Continue on Neocate Syneo (infant formula)
-Advice on managing daycare and anaphylaxis plan from specialist
-Advice on family meals
-Growth monitored

36
Q

Alternative Milks and Yoghurts
Check milk gives at least…..

A

120mg calcium per 100mls

37
Q

Alternative milks

A

-Soy milk - best choice good protein, fat, energy
-Oat milk- Good energy levels and some protein
-Rice milk-Good energy levels, maximum 300mls per day
-Almond/coconut/cashew milk-low energy protein, fat-last resort

38
Q

Yogurt alternatives

A

-Can make your own using Vegan starter
-Soy yogurt- Alpro soy
-Coconut yogurt- not many clacium except the collective dairy free pouch
-Cashew yogurt-Little Island has calcium

39
Q

alternative cheeses

A

-Angel foods
-Zenzo
-Sheese

40
Q

Egg replacer

A

Orgran egg replacer

41
Q

You can get gluten free products especially in

A

Pasta and bread

HUNT243 (29 decks)

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