Eating Disorders Flashcards
How Common are eating disorders?
According to NICE, the lifelong prevalence of anorexia nervosa is 0.1-0.9%, international epidemiological studies estimate 75% of AN cases occur before the age of 22
5-10% of young women attending surgery will have eating disorders - You won’t know about it in 50% of cases
5-10% of adolescent girls will have used pathological weight reducing techniques
Approximately 90% of cases present in females
In developed countries….
Children ____ likely to suffer from an eating disorder than meningococcal disease
Incidence of anorexia nervosa in adolescence ______ than both type 1 Diabetes and Inflammatory Bowel Disease
more
greater
Peak onset mental illness is when?
mid teens to mid twenties
what screening tool is used for eating disorders?
SCOFF Questionnaire
SCREENING TOOLS:
SCOFF Questionnaire
If patients score 2 or more positive answers, then an eating disorder is likely:
what are the questions?
Do you make yourself Sick because you feel uncomfortably full?
Do you worry you have lost Control over how much you eat?
Have you recently lost more than One stone (14 pounds or 6.35 kg) in a three month period?
Do you believe yourself to be Fat when others say you are too thin?
Would you say that Food dominates your life?
Anorexia nervosa and other ‘eating disorders’ as ‘obsessive weight losing disorders’:
There is obsessive fear of _________…
with avoidance of food & other sources of _______..
..& a range of __________ ‘compensatory’ behaviours when food cannot be avoided
In time, these behaviours are the only way to avoid the experience of ______ AND there are secondary ________ and __________ consequences of starvation
fatness
calories
compulsive
anxiety
physical
psychological
F50.0 Anorexia Nervosa:
what is it?
Restriction of intake to reduce weight
Relies on compulsive compensatory behaviours when food cannot be avoided, Self induced vomiting, laxative abuse, excessive exercise, abuse of appetite suppressants / diuretics
Fear of weight gain
when can someoneb be classed as having Anorexia Nervosa?
Considered anorexic if he/she is 15% below ideal body weight/BMI 17.5 or <
[In postmenarchal females, absence of the menstrual cycle or amenorrhoea (greater than 3 cycles)] - Bottom one no longer part of diagnostic criteria as many healthy reasons causing amenorrhoea. Good for estimating onset of illness
F50.0 Anorexia Nervosa:
what symptom are seen?
Loss of energy stores, fat glycogen from liver. Then start to break down skeletal muscle, cardiac muscle and bone. Heart walls become thinner, pulse slows and blood pressure drops to protect heart and you get physical symptoms due to this like Fainting
Short stature due to never reaching development milestone
Brain can shrink by upto 20%
All these problems can be reversed by nutrition and weight gain sustained over a period of time
F50.2 Bulimia Nervosa:
what is it?
Episodes of binge eating with a sense of loss of control
Binge eating is followed by compensatory behaviour of the purging type (self-induced vomiting, laxative abuse, diuretic abuse) or nonpurging type (excessive exercise, fasting, or strict diets)
Binges and the resulting compensatory behaviour must occur a minimum of two times per week for three months
Dissatisfaction with body shape and weight
If binging and purging but of normal weight = ???
If binging and purging and less than 17.5 = ???
If binging and purging but of normal weight then diagnosis of bulimia nervosa
If binging and purging and less than 17.5 then diagnosis anorexia nervosa, binge purge sub-type
what are the Signs and Symptoms of bulimia nervosa?
Gastric contents coming into mouth causing mouth sores
Upper GI symptoms
Tends to be history of impulsivity in this group
what is a Binge Eating Disorder?
Similar to bulimia nervosa; absence of purging behaviours
Ongoing and/or repetitive cycles often include:
- unusually fast eating, usually alone
- unusually large amounts consumed
- uncomfortably full; often “buzzed” after eating
- (quickly followed by) embarrassment, shame, guilt, depression
how do you treat binge eating disorder?
CBT approach and treated in outpatient setting, in context of group work normally
AVOIDANCE OF CALORIE INTAKE:
how is it done?
diets – becoming vegetarian, vegan
not touching food or grease
developing dislikes, pickiness, even ‘allergies’
Interpreting all symptoms as allergy or indigestion
Eating very slowly, only eating at certain times
Avoiding parties and social occasions (where eating in expected as part of social interaction)
Spoiling or messing of food, bizarre combinations
Refusing to eat more than the person who eats least, rules about always finishing last etc
Medication abuse - Appetite suppressants – including gum, cigarettes - alternative, OTC & www medications