Substance abuse and eating disorders Flashcards
Eating Disorders facts
A group of disorders characterised by one or two abnormal eating habits that involve insufficient or excessive eating detrimental to an individual’s physical and mental health
Eating disorders include anorexia nervosa, bulimia nervosa and binge eating.
Most clients with eating disorders have additional psychiatric co-morbidity increasing complexity of treatment
Treatment is challenging and recovery can take 5 – 7 years
The key to management of these disorders is to break the cycle of the eating disorder behaviour
Presentation of eating disorders
Age: develops during adolescence
Sex: common in young women
Prevalence: 0.3% to 3.7% for anorexia nervosa and
1% to 4.2% for bulimia nervosa
Pathophysiology of eating disorders
Family factors: emphasis on physical appearance
Recent research shows that over 50% of people with clinically diagnosed eating disorder have a co-morbid personality disorder. Martinussen et al (2017).
Social factors: media and fashion industry emphasis on thinness
Cultural factors: societal and culture that glorify thinness
Self-esteem
Control
Perfectionism
Anorexia nervosa
Anorexia nervosa is a serious mental disorder characterised by significant weight loss resulting from excessive dieting
Anorexic clients consider themselves to be fat, no matter what their actual weight is
Usually strive for perfection
Set very high standards for themselves and feel they always have to prove their competence
Believe that the only control they have in their lives is in the area of food and weight
DSM-IV Criteria for Anorexia nervosa
Refusal to maintain body weight at or above minimum normal body weight for age and height
Intense fear of gaining weight or becoming fat even though underweight
Dissatisfaction with body weight or shape, undue influence of body weight and self-evaluation and denial of the seriousness of current low weight
Absence of at least 3 menstrual cycles
Medical complicationsof anorexia nervosa
Cardiac irregularities due to protein-calorie malnutrition
Electrolyte abnormalities: low potassium and sodium levels
GIT effects: feeling bloated or full even after eating small amounts
Renal dysfunction: Reduced glomerular filtration rate
Neurological changes due to brain atrophy
Cognitive changes: impairment in attention and concentration
Skin changes due to protein-calorie malnutrition
Re-feeding syndrome due to imbalance in electrolytes and fluids
Bulimia
Bulimia is a mental disorder characterised by a cycle of dieting, binge eating followed by purging to try and lose weight
A binge may range from 1,000 to 10,000 calories
Purging methods usually involve vomiting and laxative abuse Other forms of purging can involve use of diuretics, diet pills and enemas
People with bulimia usually do not feel secure about their own self-worth and often strive for approval of others
Presentation of bulimia
Eating in a discrete period within any 2 hours, eating much larger amounts of food than most would
Sense of lack of control during eating episode and recurrent inappropriate compensatory behaviour (overuse of laxatives, induced vomiting, excessive exercise, fasting etc.) to prevent weight gain
Above – occur at least twice weekly for 3 months period
Self-evaluation is unduly influenced by body shape and weight
The disturbance does not occur exclusively during the episodes of anorexia nervosa
Binge eating
Binge eating is a mental disorder characterised by consuming large quantities of food in a very short period of time until the individual is uncomfortably full
Binge eating disorder is much like bulimia except the individual does not use any form of purging
Individuals usually feel out of control during a binge episode, followed by feelings of guilt and shame
Most clients with binge eating disorder are at risk of developing conditions such as cardio-vascular diseases and diabetes
Management of Eating Disorders
Aim of treatment is to free sufferers from dominant worries about eating, weight and help them take control of their own lives
Treatment modalities are:
Pharmacotherapy
Psycholigical therapy
Nutrition rehabilitation
Pharmacotherapy, psychological therapy and nutrition rehabilitation for Eating Disorders
Pharmacotherapy
Antidepressants have been found to be useful
Other medications such as anti-psychotics in low doses
Multivitamins, Phosphate Sandoz, Calcitrate Plus Vitamin D
Psychological therapy
Cognitive Behaviour Therapy
Psycho-education
Family support and education
Interpersonal relationship therapy
Nutrition rehabilitation
Substance misuse- an overview
Drug - a substance that is used to modify the way in which a person functions, feels etc. This includes use of over counter drugs, prescription drugs and illegal drugs
Drug misuse - refers to inappropriate use of drug
Physical dependence – a state in which an individual needs a substance in order to function and to satisfy physical needs
Tolerance - need to take larger doses of a substance in order to achieve intoxication or desired effects
Intoxication - refers to elevated blood level of drug concentration such that a person cannot function normally
Withdrawal - when a person dependent on a substance stops taking the substance, certain physical and psychological symptoms occur
Commonly abused substances
Alcohol
Caffeine
Cigarette
Amphetamines
Cannabis
Cocaine
Hallucinogens
Inhalants
Opioids
Benzodiapines,
Sedatives and hypnotics
Aetiology of substance abuse
Biological factors
Psychological factors
Environmental factors
Social factors
Personality factors: associated with anxious people
Cultural factors: alcohol is accepted as part of relaxation and celebration
Mental illness
Substance Types
Stimulants - increases activity of the central nervous system (CNS)
Depressants - decreases activity of the CNS
Hallucinogens - psychoactive drugs that induce hallucinations or altered sensory experiences