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Eating Disorder

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Eating Disorder

  1. 1. Eating Disorder BY : Wu Yingxin Xiang Zheng Yang Hong By: Wu Yingxin Xiang Zheng Yang Hong
  2. 2. Structure BY : Wu Yingxin Xiang Zheng Yang Hong Other psychiatric disorder
  3. 3. Background <ul><li>Definition: severe disturbances in eating behavior </li></ul><ul><li>Prevalence: point-0.28% lifetime-0.5% </li></ul><ul><li>High risk in: teenage and early adulthood </li></ul><ul><li>female </li></ul><ul><li>developed countries </li></ul><ul><li>Trend: age => younger </li></ul><ul><li>culture => developing countries </li></ul><ul><li>Typical type: AN & BN </li></ul>BY : Wu Yingxin Xiang Zheng Yang Hong
  4. 4. <ul><li>Anorexia nervosa is a kind of eating disorder that the individual refuses to maintain a normal weight because of fear of becoming fat. It leads to severe somatic problems. </li></ul>BY : Wu Yingxin Xiang Zheng Yang Hong
  5. 5. <ul><li>Prevalence </li></ul><ul><li>(Life-time) </li></ul><ul><li>Women:0.5% </li></ul><ul><li>Men:0.05% </li></ul><ul><li>Peak Age </li></ul><ul><li>14-19 </li></ul>BY : Wu Yingxin Xiang Zheng Yang Hong High risk Occupation Group Ballet dancers Actresses Models gymnasts White women in western countries
  6. 6. Criteria <ul><li>A 85% less than the normal weight(self-induced). </li></ul><ul><li>B Intense fear of gaining weight or becoming fat. </li></ul><ul><li>C Distorted experience and significance of body weight and shape. </li></ul><ul><li>D Female: Amenorrhea( 闭经 ) at least(≥) 3 months. </li></ul>BY : Wu Yingxin Xiang Zheng Yang Hong
  7. 7. Other symptoms <ul><li>They are proud of their weight loss </li></ul><ul><li>Efforts may be made to conceal their thinness </li></ul><ul><li>Body image disorder </li></ul><ul><li>Medical complications </li></ul><ul><li>Low mood(depression) </li></ul>BY : Wu Yingxin Xiang Zheng Yang Hong
  8. 8. Subtypes <ul><li>Restricting type </li></ul><ul><li>Restricted diet </li></ul><ul><li>Excessive exercise </li></ul><ul><li>Often try to avoid eating in the presence of other people </li></ul><ul><li>At the table, may eat excessively slowly and cut the food into pieces, or even secretly dispose of it </li></ul><ul><li>Binge-eating/purging type </li></ul><ul><li>Either or both of the behaviors occur </li></ul><ul><li>A breakdown of restraint that results in periods of binge-eating </li></ul><ul><li>Out-of-control binge-eating </li></ul><ul><li>Followed by efforts to purge </li></ul>How patients maintain their very low weight Transition (30%~50%) BY : Wu Yingxin Xiang Zheng Yang Hong
  9. 9. BULIMIA NERVOSA ( B N ) <ul><li>Definition: </li></ul><ul><li>Bulimia Nervosa involves binge eating followed by compensatory behavior to rid the body of what has just been consumed. </li></ul>BY : Wu Yingxin Xiang Zheng Yang Hong
  10. 10. Criteria <ul><li>A. Recurring binge eating – excessive quantities consumed within a discrete period of time without a sense of control over what or how much is consumed </li></ul><ul><li>B. Recurring inappropriate weight gain – such as self –induced vomiting , misuse of laxatives , or fasting. </li></ul><ul><li>C. Binge eating and compensatory behaviors occur on average at least twice a week for the three months. </li></ul><ul><li>D. self-evaluation is excessively influenced by body shape and weight. </li></ul>BY : Wu Yingxin Xiang Zheng Yang Hong
  11. 11. Prevalence <ul><li>Around 1-3% of females in adolescence to early adulthood </li></ul>BY : Wu Yingxin Xiang Zheng Yang Hong
  12. 12. Subtypes <ul><li>Purging Type </li></ul><ul><li>This subtype describes presentations in which the person has regularly engaged in self-induced vomiting or the misuse of laxatives , diuretics, or enemas during the current episode. </li></ul><ul><li>Nonpurging Type </li></ul><ul><li>This subtype describes presentations in which the person has used other inappropriate compensatory behaviors, such as fasting or excessive exercise, but has not regularly engaged in self-induced vomiting or the misuse of laxatives, diuretics, or enemas during the current episode. </li></ul>BY : Wu Yingxin Xiang Zheng Yang Hong
  13. 13. BY : Wu Yingxin Xiang Zheng Yang Hong AN: Binge-Purging Type
  14. 14. Relation with other disorders BY : Wu Yingxin Xiang Zheng Yang Hong
  15. 15. Difference with other disorders <ul><li>Severe somatic damage </li></ul><ul><li>Cultural Difference: Developed > Developing </li></ul>BY : Wu Yingxin Xiang Zheng Yang Hong
  16. 16. Interaction – Case Study <ul><li>Group discussion </li></ul><ul><li>Case study </li></ul>BY : Wu Yingxin Xiang Zheng Yang Hong
  17. 17. <ul><li>Welcome </li></ul><ul><li>questions!! </li></ul>BY : Wu Yingxin Xiang Zheng Yang Hong
  18. 18. BY : Wu Yingxin Xiang Zheng Yang Hong What’s the difference between AN and BN BACK Type AN Restricting type AN Binge/purge type BN Purging type BN Nonpurging type Weight < 85% of normal < 85% Normal Normal Binge( 暴食 ) No Yes Yes No Compensatory behavior No Yes after binge Yes Yes Amenorrhea( 闭经 ) Yes Yes Not always Not always

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