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Anorexia is a medical term for a loss of appetite. While the term outside of the scientific literature is often used interchangeably with anorexia nervosa , many possible causes exist for a loss of appetite, some of which may be harmless, while others indicate a serious clinical condition or pose a significant risk.
The syndrome can occur at the beginning of treatment for eating disorders when patients have an increase in calorie intake and can be fatal. It can also occur when someone does not eat for several days at a time usually beginning after 4–5 days with no food. [5] It can also occur after the onset of a severe illness or major surgery. The ...
Historically, body weight changes were used as the primary metrics of cachexia, including low body mass index and involuntary weight loss of more than 10%. Using weight alone is limited by the presence of edema, tumor mass and the high prevalence of obesity in the general population. [10] Weight-based criteria do not take into account changes ...
Meals after surgery are 1 ⁄ 4 – 1 ⁄ 2 cup, slowly getting to 1 cup by one year. This requires a change in eating behavior and an alteration of long-acquired habits for finding food. In almost every case where weight gain occurs late after surgery, the capacity for a meal has not greatly increased.
Early dumping syndrome occurs 10 to 30 minutes after a meal. It results from rapid movement of fluid into the intestine following a sudden addition of a large amount of food from the stomach. [ 1 ] The small intestine expands rapidly due to the presence of hypertonic / hyperosmolar contents from the stomach, especially sweet foods.
Bariatric surgery (also known as metabolic surgery or weight loss surgery) is a surgical procedure used to manage obesity and obesity-related conditions. [ 1 ] [ 2 ] Long term weight loss with bariatric surgery may be achieved through alteration of gut hormones, physical reduction of stomach size ( stomach reduction surgery ), [ 3 ] reduction ...
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Body image disturbance (BID) is a common symptom in patients with eating disorders and is characterized by an altered perception of one's own body.. The onset is mainly attributed to patients with anorexia nervosa who persistently tend to subjectively discern themselves as average or overweight despite adequate, clinical grounds for a classification of being considerably or severely ...