Anorexia Nervosa (Q40740): Difference between revisions
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Anorexia nervosa é caracterizada por peso corporal significativamente baixo para a altura, idade e estágio de desenvolvimento do indivíduo que não se deve a outra condição de saúde ou à indisponibilidade de alimentos. Um limite comumente usado é o índice de massa corporal (IMC) inferior a 18,5 kg/m² em adultos e o IMC para a idade abaixo do 5º percentil em crianças e adolescentes. A perda rápida de peso (p. ex., mais de 20% do peso corporal total em seis meses) pode substituir esta referência de baixo peso corporal, desde que outros critérios diagnósticos sejam preenchidos. Crianças e adolescentes podem apresentar falha em ganhar peso conforme o esperado, com base na trajetória de desenvolvimento individual, em vez de perda de peso. O baixo peso corporal é acompanhado por um padrão persistente de comportamentos para evitar a restauração do peso normal, que pode incluir comportamentos destinados a reduzir a ingestão de energia (restrição alimentar), comportamentos purgativos (p. ex., vômito autoinduzido, uso indevido de laxantes) e comportamentos destinados a aumentar o gasto de energia (p. ex., excesso de exercício), tipicamente associados a um medo de ganhar peso. O baixo peso ou a forma corporal é um aspecto central na autoavaliação do indivíduo ou é erroneamente percebido como normal ou até mesmo excessivo. | |||
| description / en | description / en | ||
Anorexia Nervosa is characterised by significantly low body weight for the individual’s height, age and developmental stage that is not due to another health condition or to the unavailability of food. A commonly used threshold is body mass index (BMI) less than 18.5 kg/m² in adults and BMI-for-age under 5th percentile in children and adolescents. Rapid weight loss (e.g. more than 20% of total body weight within 6 months) may replace the low body weight guideline as long as other diagnostic requirements are met. Children and adolescents may exhibit failure to gain weight as expected based on the individual developmental trajectory rather than weight loss. Low body weight is accompanied by a persistent pattern of behaviours to prevent restoration of normal weight, which may include behaviours aimed at reducing energy intake (restricted eating), purging behaviours (e.g. self-induced vomiting, misuse of laxatives), and behaviours aimed at increasing energy expenditure (e.g. excessive exercise), typically associated with a fear of weight gain. Low body weight or shape is central to the person's self-evaluation or is inaccurately perceived to be normal or even excessive. | |||
Revision as of 06:40, 13 August 2026
Anorexia Nervosa is characterised by significantly low body weight for the individual’s height, age and developmental stage that is not due to another health condition or to the unavailability of food. A commonly used threshold is body mass index (BMI) less than 18.5 kg/m² in adults and BMI-for-age under 5th percentile in children and adolescents. Rapid weight loss (e.g. more than 20% of total body weight within 6 months) may replace the low body weight guideline as long as other diagnostic requirements are met. Children and adolescents may exhibit failure to gain weight as expected based on the individual developmental trajectory rather than weight loss. Low body weight is accompanied by a persistent pattern of behaviours to prevent restoration of normal weight, which may include behaviours aimed at reducing energy intake (restricted eating), purging behaviours (e.g. self-induced vomiting, misuse of laxatives), and behaviours aimed at increasing energy expenditure (e.g. excessive exercise), typically associated with a fear of weight gain. Low body weight or shape is central to the person's self-evaluation or is inaccurately perceived to be normal or even excessive.
| Language | Label | Description | Also known as |
|---|---|---|---|
| default for all languages | 6B80 |
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| English | Anorexia Nervosa |
Anorexia Nervosa is characterised by significantly low body weight for the individual’s height, age and developmental stage that is not due to another health condition or to the unavailability of food. A commonly used threshold is body mass index (BMI) less than 18.5 kg/m² in adults and BMI-for-age under 5th percentile in children and adolescents. Rapid weight loss (e.g. more than 20% of total body weight within 6 months) may replace the low body weight guideline as long as other diagnostic requirements are met. Children and adolescents may exhibit failure to gain weight as expected based on the individual developmental trajectory rather than weight loss. Low body weight is accompanied by a persistent pattern of behaviours to prevent restoration of normal weight, which may include behaviours aimed at reducing energy intake (restricted eating), purging behaviours (e.g. self-induced vomiting, misuse of laxatives), and behaviours aimed at increasing energy expenditure (e.g. excessive exercise), typically associated with a fear of weight gain. Low body weight or shape is central to the person's self-evaluation or is inaccurately perceived to be normal or even excessive. |
