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EATING DISORDERS
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Anorexia nervosa Avoidant/restrictive food intake disorder Binge eating disorder Blumia nervosa Pica Rumination disorder
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SCREENING SCOFF ; 5 questions *sick *control *one stone *fat *food
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ESP (eating disorder screen for primary care)
*Are you satisfied with your eating patterns? (No is abnormal) *Do you ever eat in secret? (Yes is abnormal) *Does your weight affect the way you feel about yourself? (Yes is abnormal) *Have any members of your family suffered with an eating disorder? (Yes is abnormal) *Do you currently suffer with or have you ever suffered in the past with an eating disorder? (Yes is abnormal)
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Eating attitude test (EAT)
26 item Self reported Cutoff score : 20 Accuracy rate : %90
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1.ANOREXIA NERVOSA
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Clinical features Core features — The essential clinical features of anorexia nervosa are : ●Persistent restriction of energy intake that leads to an abnormally low body weight ●Intense fear of gaining weight or becoming fat, or persistent behavior that prevents weight gain ●Distorted perception of body weight and shape
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Diagnosis / DSM-5 (requires each of the following criteria)
●Restriction of energy intake that leads to a low body weight, given the patient’s age, sex, developmental trajectory, and physical health ●Intense fear of gaining weight or becoming fat, or persistent behavior that prevents weight gain, despite being underweight ●Distorted perception of body weight and shape, undue influence of weight and shape on self-worth, or denial of the medical seriousness of one’s low body weight
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DSM-5 classifies current severity of anorexia nervosa according to BMI :
●Mild – BMI 17 to kg/m2 ●Moderate – BMI 16 to kg/m2 ●Severe – BMI 15 to kg/m2 ●Extreme – BMI <15 kg/m2
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TREATMENT Psychological treatment
Cognitive analytic therapy:reformulation,recognition, revision Cognitive behavioral therapy Interpersonal therapy Focal psychodynamic therapy Famiy interventions Gaining weight safely (outpatient target ; gain of 0.5 kg a week) Compulsatory treatment
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Medications For associated problems (OCD, depression)
*SSRIs:for depression, anxiety *olanzapine:anxiety
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2.AVOIDANT/RESTRICTIVE FOOD INTAKE DISORDER
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Clinical features Often underweight Often bone mineral density
Comorbidity is common (%60 anxiety disorder)
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Diagnosis/DSM-5 ●Avoiding or restricting food intake, which may be based upon lack of interest in food, the sensory characteristics of food, or a conditioned negative response associated with food intake following an aversive experience (eg, choking). The eating behavior leads to a persistent failure to meet nutritional and/orenergy needs, manifested by at least one of the following: •Clinically significant weight loss, or in children, poor growth or failure to achieve expected weight gain •Nutritional deficiency •Supplementary enteral feeding or oral nutritional supplements are required to provide adequate intake •Impaired psychosocial functioning
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●The eating or feeding disturbance is not due to lack of available food or associated with a culturally sanctioned practice. ●The disturbance does not occur solely in the course of anorexia nervosa or bulimia nervosa, and body weight and shape are not distorted. ●The disturbance is not due to a general medical condition (eg, gastrointestinal disease, food allergies, or occult malignancy) or another mental disorder. Whenavoidant/restrictive food intake disorder occurs in the context of another illness, the eating disturbance is both out of proportion to what is expected for the other illness and warrants additional clinical attention.
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3.BINGE EATING
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Women > men Median age of onset : 23 Common comorbidities: *at least one psychiatric disorder in %79 *specific phobia, social phobia, major depression, post-traumatic stress disorder, alcohol abuse *DM, chronic pain, HT risks
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Clues ●Greater than expected weight dissatisfaction
●Large weight fluctuations ●Depressive symptoms
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Diagnosis/DSM-5 ●Episodes of binge eating, defined as consuming an amount of food in a discrete period of time (eg, two hours) that is definitely larger than what most people would eat in a similar amount of time under similar circumstances. During episodes, patients feel they lack control over eating (eg, patients feel they cannot stop eating or control the amount or what they are eating). ●Binge eating episodes are marked by at least three of the following: •Eating more rapidly than normal •Eating until feeling uncomfortably full •Eating large amounts of food when not feeling physically hungry •Eating alone because of embarrassment by the amount of food consumed •Feeling disgusted with oneself, depressed, or guilty after overeating
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●Episodes occur, on average, at least once a week for three months.
●No regular use of inappropriate compensatory behaviors (eg, purging, fasting, or excessive exercise) as are seen in bulimia nervosa. ●Binge eating does not occur solely during the course of bulimia nervosa or anorexia nervosa.
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The current level of severity is based upon the number of binge eating episodes per week:
●Mild – 1 to 3 ●Moderate – 4 to 7 ●Severe – 8 to 13 ●Extreme – 14 or more
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4.BLUMIA NERVOSA
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Clinic Episodes of binge eating Inappropriate compensatory behaviors
Comorbid psychopathology
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Core features: ●Binge eating – Eating an amount of food in a discrete period of time that is definitely larger than most people would eat under similar circumstances; during the episode, patients feel they have no control over their eating ●Inappropriate compensatory behavior to prevent weight gain, such as self induced vomiting; misuse of laxatives, diuretics, or other medications; fasting; or excessive exercise ●Binge eating and inappropriate compensatory behaviors occur, on average, at least once a week for three months ●Excessive concern about body weight and shape
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The prototypic sequence of behavior in bulimia nervosa consists of :
●Caloric restriction ●Binge eating ●Self-induced vomiting
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Diagnosis/DSM-5 ●Episodes of binge eating, which are defined as eating an unusually large amount of food in a discrete period of time (eg, two hours). Patients feel that they cannot control their eating during the episode. ●Inappropriate compensatory behavior to prevent weight gain ●Binge eating and inappropriate compensatory behaviors occur, on average, at least once a week for three months ●The patient’s self-evaluation is unduly influenced by body shape and weight ●The disturbance does not occur exclusively during episodes of anorexia nervosa
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TREATMENT Psychotherapy Medications
*antidepressants:The only antidepressant specifically approved by the Food and Drug Administration to treat bulimia is fluoxetine (Prozac), a type of selective serotonin reuptake inhibitor (SSRI), which may help even if you're not depressed.
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5.PICA
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Most often in childhood
Greater in patients with intellectual disability
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Diagnosis ●Repeated eating of nonfood substances (eg, chalk, clay, cloth, coal, dirt, gum, hair, metal, paint, paper, pebbles, soap, string, or wool) that are not nutritional, for at least one month. ●The eating behavior is inappropriate to the patient’s developmental level, and is not culturally supported or socially normal. ●If the eating behavior occurs in the context of another mental disorder (eg, autism, intellectual disability, or schizophrenia) or general medical condition (including pregnancy), the severity of the eating behavior warrants additional clinical attention.
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6.RUMINATION DISORDER
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Diagnosis/DSM-5 ●Repeated regurgitation of food, which may be rechewed, reswallowed, or spit out; the eating disturbance occurs for at least one month. ●Regurgitation of food is not due to a general medical condition, such as gastroesophageal reflux disease or pyloric stenosis. ●Regurgitation does not occur solely during the course of avoidant/restrictive food intake disorder, anorexia nervosa, binge eating disorder, or bulimia nervosa. ●If the eating behavior occurs in the context of another mental disorder (eg, intellectual disability) or general medical condition (including pregnancy), the severity of the eating behavior warrants additional clinical attention.
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