Eating disorders Flashcards

1
Q

Appearance related concerns

A

Reaching epidemic proportions in the Western society
Body dissatisfaction can occur from 8 years of age
Females report this phenomena more but…increasing in men

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2
Q

Aspects of appearance that concern

A

Appearance in general including many aspects of the face which are a source of concern to a range of people
Size of abdomen
Body weight
Poor muscle tone

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3
Q

Possible effects of appearance on young people

A

-ve
Teasing (peak age to cause upset is 7-8yr)
Bullying
+ve
If rated attractive likely to get more attention, be the subject of higher expectations of ability, may ‘get away with things more’

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4
Q

Differences and Body shape

A

Different cultures see things differently e.g. African American children picked bigger ideal body sizes than white children from random sample of children
Social class – In mid 19thC more weight= more wealth!
Perception of attractive body shape has changed over time eg reclining nude in Manet’s painting Olympia seen as “obscene” – not plump enough to be erotic.1863

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5
Q

Treacher Collins Syndrome

A

Recessive hereditary
Affects ears, eyes, jaws
‘Bird face’

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6
Q

How to measure body fat

A

BMI
Skinfold thickness
Waist: hip ratio
Dual energy X-ray absorptiometry (DXA)

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7
Q

BMI

A
weight/height^2
10-20 underweight
20-25 healthy
25-30 overweight
30-40 obese
40+ morbidly obese
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8
Q

Mental Health problems in children

A

Prevalence of 1 in 10 from 5-16 years
Press attention +++ to poor C & A mental health services
Funding for Child and Adolescent Mental Health Services, CAMHS, has been dropping in real terms

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9
Q

Diagnostic criteria

A

DSM –IV criteria (Diagnostic and Statistical Manual of Mental Disorders 4th Edn) are the standard signs which are used to assess /define an eating disorder.
Some people may have a partial syndrome and meet some of the criteria
May be associated with borderline personality disorder

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10
Q

The eating disorders

A

Anorexia nervosa (av duration 8yr but…)
Bulimia nervosa – in the 1970s (av duration 5 yr but..)
Binge eating disorder (BED)
(DSM says AN,BN and Binge Eating Disorder are the main eating disorders )
Not mutually exclusive and may overlap
7% increase in hospital admissions since 2005

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11
Q

Scoff Test

A

Sick - make yourself because feel full
Control - worry over loss of in relation to food
One - stone lost in 3m
Fat - see yourself as fat when others don’t
Food - dominates life
Designed in Leeds-Score of 2 or more is a +ve screen for an eating disorder

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12
Q

Eating disorder statistics

A

More common in females but increasingly in males (NICE - approx 11% affected are male)
Develops between 15-25 years, usually
Can occur in children as young as 8 years
Can be accompanied by other problems e.g. drug use, compulsive shoplifting

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13
Q

Why

A
Peer/ family pressure
Media eg very thin models in fashion magazines 
Stress
Genetic component
Role of Serotonin
Leptin & ghrelin function
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14
Q

Anorexia nervosa in UK

A
Prevalence: 
1:150 15 year old girl
1:1000 15 year old boys
~1% 16-18 year olds affected
Afro-Caribbean, Asian, Hispanic women less likely to have weight concerns than white women
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15
Q

Anorexia nervosa

A
Fear of gaining weight so eat little
15% below weight for height/age
BMI <17.5
Body Image dysfunction
Denial of low weight
If reproductive years - amenorrhoeic for at least 3 months
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16
Q

Medical consequences AN

A

Starvation and dehydration - circulatory problems, kidney/ heart failure
Long term - stunting of growth, osteoporosis, possibly fertility problems
5% die

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17
Q

General treatment for AN/BN

A
Cognitive therapy in improving mental health (but W/L)
Individual/ group/ psychotherapy
Life skills; nutritional advice
Drugs
In-px care may be neessary
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18
Q

Specific treatment of AN

A
Aim to attain viable weight
Alter feelings about body image/ food (medical view &amp; px's may not coincide)
Family therapy for those <16 years
In-px care may be necessary
18year+ care - transitional care?
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19
Q

Prognosis AN

A
50% recover after treatment 
30% retain partial symptoms
Approximately:
20% become chronic
5% die – 
   starvation, heart failure or suicide
   AN has one of highest rates of suicide of all psychiatric illnesses
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20
Q

Bulimia nervosa

A

May be of any weight
Eating pattern:
-binge eating (recurrent) of high calorie food, followed by secret purging
-food hidden in secret places
-use of laxatives and diuretics to control weight fluctuations

21
Q

BM may also have

A

Awareness that eating pattern is abnormal
Frequent weight fluctuations > 5Kg
Depression after binge
Binges not due to AN or any other physical condition

22
Q

Prevalence BN

A
Female : Male = 20:1
Mainly young people
Up to 20% females binge @ some time
Anorexia- 0.25% population
 Bulimia – approx 1%
23
Q

Medical consequences of BN

A
GI -cramps, constipation , diarrhoea
Electrolyte imbalance
Damage oesophageal sphincter, muscles
Lower bowel damage
Throat ulcers
24
Q

Oral presentation BN

A
Dental erosion
May have:
-dry mouth
-inflamed palate
-dry, chapped lips
-swollen parotid glands
25
Q

Management of dental aspects

A

Psychological assess (if not already done)
Preventive advice
Restoration of affected teeth
Provision of occlusal splint if indicated

26
Q

Dental aspects of BN

A

Tact and diplomacy
Consider possible sensitivity of teeth
Treatment plan w. SM & X Rays
Prevention
Treat teeth as needed when BN under control
Monitor
-Dentists need further education in the area of ED

27
Q

Dental erosion - diagnostic criteria

A

Palatally on upper incisors (often extensive)
Palatal aspects upper posterior teeth “cupping”
Occlusal & buccal surfaces U & L posterior teeth (variable)
“Squeaky clean “ teeth but could have gingivitis

28
Q

Prognosis BN

A

Half – two thirds improve a lot
But tends to be a chronic/ remitting condition
Some deaths from inhalation of vomit

29
Q

Obesity definition

A

Overweight and Obesity are defined as abnormal or excessive fat accumulation that may impair health

30
Q

Trends in prevalence of obesity in adults in England

A

1985 9%
2000 20%
2010 27%
2050 60%

31
Q

Sugar consumption

A

1700: 1.8kg of food pa
1800: 8.2kg per head pa
2000: 36.4kg
- should be less than 10% of our daily calorie intake (WHO)

32
Q

OW and OB rates for adults

A

41% men, 31% women

Of which 27% OB

33
Q

OW and OB rates for children

A

> 20% at four to 5 years

>33% at 11 years

34
Q

Trend: steep rise OB/OW in 1990s

A

Gradual slow down until 2010

Since then plateauing

35
Q

League table of obesity

A
Small pacific Islands eg Tonga
Middle Easter countries (some) 
12th  USA
19th Trinidad &amp; Tobago
27th UK
36
Q

Pbesity v TV time

A

Link between OB and hours of TV time. NICE advises no more than 2hr / day (2015)
Children who watch commercial TV see more food/drink adverts Schmidt M E et al.2012.
Likely to be less active if watch a lot of TV

37
Q

BMI v caries experience

A

Caries and OB are multifactorial diseases
Some studies have found an association between caries and OB/OW, some have not.
Danish study – found BMI & caries not associated but high caries risk may be a marker for future risk of OW among more advantaged

38
Q

Fat v sugar

A

Is fat better?

39
Q

Appetite control

A

Appetite is dependant on an interaction between biology and environment
Environment contains some influential factors which can overcome biological processes operating to maintain body weight eg media influences
Some people have physiological characteristics favouring good regulation body weight

40
Q

Diabetes prevalence

A

2000 2.8% prevalence or 171m
2030 4.4% prevalence or 366m. worldwide
Key issue – no. of people > 65 yrs
In developing countries most people are 45-64yrs and in developed most are 64yr+

41
Q

Management of OW/OB

A
Long term plans and goals to be approached incrementally 
Control of diet 
Behaviour management
Regular Exercise                 
Drug treatment                    
Surgery
ON-GOING MONITORING &amp; REINFORCEMENT
42
Q

Cancer

A

Extra fat produces hormones and growth factors which affect our cells
This can raise risk of cancer (& other diseases)
Exact mechanism not clear
Cancer Ressearch UK has billboards at bus stops etc. saying OB is cause of cancer

43
Q

Obesity in children

A

OW = wt:ht>2 standard deviations above WHO child growth standards median
>2/3 obese 10 yr + > obese adults
Calorie dense food available +reduced physical activity > rise obesity
Levelling off in 2014
Disease of deprivation
More OB in urban than rural areas

44
Q

Drug treatment of obesity if BMI>30

A

Can kick start weight loss but poor compliance
Only licensed drug is Xenical + side effects!
Short term use only ( poor fat absorption)
Can lose 10% body weight in 6m

45
Q

Surgical treatment of obesity in UK

A

2m in UK eligible
BMI > 40 or 35 if co – morbidities
Restriction &/or Malabsorption
Sleeve gastrectomy – remove ¾ of stomach R)
Gastric bypass – staple stomach/duodenum & some of small intestine; for “nibblers”(R & M)
Cost of above £8-10,000 but….

46
Q

Recent press releases

A

Jamie Oliver ‘obese poor think in a different gear’
Fasting diets - are they better?
Will the NHS ban sugary drinks from hospitals

47
Q

Effect of increasing levels OW/OB on dental care

A

More diabetic patients, (periodontal problems, care with appointment times)
Cardio – vascular disease (anti coagulants, high BP
Arthritis (mobility problems)
More chronic periodontal disease to treat
Increased caries ?? Decreased stimulated salivary flow rate
Bariatric equipment may be needed
Increased GA & sedation risk

48
Q

Setting an example

A

OW health care workers

  • Slimmers World
  • diet advice
  • dance classes
49
Q

Drug treatment of obesity if BMI >30

A

Can kick start weight loss but poor compliance
Only licensed drug is Xenical + side effects
Short term *cat ch up on slide