4.6 pharmacotherapy of eating disorders Flashcards
What is DMS5, TR diagnostic criteria of anorexia nervosa?
Restriction of energy intake leading to a significantly low body weight
For the pt struggling w anorexia nervosa, what is the main fear?
Intense fear of gaining weight or becoming fat
What are sxs of anorexia nervosa?
Depression, obsessive compulsive disorder, suicidal ideation
How is the restricting type of anorexia nervosa defined?
- During last 3 months, pt has NOT engaged in recurrent episodes of binge eating or purging behavior
- Weight loss is accomplished primarily through dieting, fasting, and/or excessive exercise
How is the binge-eating/purging type of anorexia nervosa defined?
- During last 3 months, pt has engaged in recurrent episodes of binge eating or purging behavior
What is the difference between the binge-eating/purging type of anorexia nervosa and bulimia nervosa?
The difference between the two subgroups is low body weight for AN
How is the mild severity of anorexia nervosa defined by the ICD-10?
BMI >17 kg/m^2
How is the moderate severity of anorexia nervosa defined by the ICD-10?
BMI 16-16.99 kg/m^2
How is the severe severity of anorexia nervosa defined by the ICD-10?
BMI 15-15.99 kg/m^2
How is the extreme severity of anorexia nervosa defined by the ICD-10?
BMI <15 kg/m^2
What does the CDC and WHO consider the low end of normal BMI?
18.5 kg/m^2
What are health consequences/sxs of anorexia nervosa?
- Abnormally slow HR, BP
- Decreased bone density
- Weakness
- Electrolyte abnormalities
- Hypoglycemia
- Dry skin, hair loss
- Severe dehydration
- Downy layer of hair (lanugo) all over body
- Cold intolerance, delayed gastric emptying, constipation
What is the tx focus of anorexia nervosa for inpatient hospitalization?
Tx of acute risks:
- Suicidality, psychosis, severe electrolyte abnormalities, cardiac irregularities
What is the tx focus of anorexia nervosa for outpatient hospitalization?
Tx of chronic sxs and relapse prevention:
- Psychotherapy, group therapy, nutritional counseling, family systems work
What does re-feeding syndrome of anorexia nervosa result in?
Re-feeding results in shift from fat metabolism to glucose metabolism
What are sxs of re-feeding syndrome?
Hypokalemia, water retention, severe edema
What is the health consequence of re-feeding syndrome?
Multiple organ failure