関連する実験動画
Updated: Jan 8, 2026

08:26
Assessing Activity-based Anorexia in Mice
Published on: May 14, 2018
13.0K
自己絶食によって引き起こされた、単純な制限、複雑な崩壊:多系統性ウェルニッケ脳症
Mohammadreza Akbarian Khorasgani1, Melika Khalifeh Hadi1, Pouriya Katouzi1
1Department of Neurology, Qilu Hospital of Shandong University, Jinan, CHN.
Cureus
|December 15, 2025
まとめ
ウェルニッケ脳症(WE)は、アルコール依存症だけでなく、自己課した絶食によって若年成人にも起こりうる。これらの非アルコール性症例では、神経学的回復のために迅速なチアミン治療が不可欠である。
科学分野:
- 神経学; 栄養神経科学; 内科学
背景:
- ウェルニッケ脳症(WE)は、通常アルコール依存症と関連する重篤なチアミン欠乏症である。栄養失調の文脈、特に栄養失調の文脈で、非アルコール性のWEの原因がますます特定されている。ボディイメージの歪みと制限的な食事は、重度の栄養不足につながる可能性がある。
研究 の 目的:
- 自己絶食に続発した若年女性のウェルニッケ脳症の症例を報告する。WEの非定型的な提示と非アルコール性の病因を強調する。リスクのある個人における早期診断とチアミン治療の重要性を強調する。
主な方法:
- 自己絶食の23歳女性の症例報告。臨床症状、検査所見(貧血、低リン血症、低マグネシウム血症、ビタミンD欠乏)、脳MRIを分析した。治療には、高用量の筋肉内チアミン、電解質補正、栄養サポート、輸血が含まれた。
主要な成果:
- 患者は眼瞼下垂、眼振、脱力感を呈し、脳MRIでは特徴的なWE病変が認められた。チアミン投与と栄養療法により、神経学的症状と生化学的異常は著しく改善した。患者は入院9日後に状態が安定し退院した。
結論:
- ウェルニッケ脳症は、正式な摂食障害の診断がなくても、制限的な食事行動と自己絶食により、若年で非アルコール性の個人に現れる可能性がある。早期の臨床的疑いと迅速なチアミン介入は、良好な神経学的転帰のために不可欠である。この症例は、若年成人におけるボディイメージの懸念やダイエットに関連する栄養性脳損傷に対する認識の必要性を強調している。
関連する概念動画
Bulimia Nervosa
641
Bulimia nervosa is a complex and severe eating disorder characterized by a cyclical pattern of binge-and-purge eating pattern. It generally involves an episode of binge eating, followed by compensatory behaviors such as vomiting, excessive exercise, laxative use, or fasting, to prevent weight gain. Despite often maintaining a normal weight, individuals with bulimia are intensely preoccupied with their body image and harbor an overwhelming fear of gaining weight. This can contribute to the...
641
Metabolic States of the Body: Fasting and Starvation
2.6K
During the initial hours of fasting, the body uses up its glycogen stores as an energy source. Once these glycogen reserves are depleted, the body begins breaking down stored triglycerides and structural proteins. During this stage, glycerol becomes a key substrate for gluconeogenesis, while free fatty acids undergo beta-oxidation to provide energy for tissues, such as skeletal muscle. In the fasting state, the body spares protein breakdown as much as possible to conserve muscle and structural...
2.6K
Anorexia Nervosa
865
Anorexia nervosa is a complex and severe eating disorder characterized by an intense fear of weight gain, an unrelenting pursuit of thinness, and a distorted body image. It often leads to dangerously low body weight relative to an individual's age and height. This disorder is marked by significant physical and psychological consequences, making it one of the most life-threatening psychiatric illnesses.
Symptoms and Physical Effects
Individuals with anorexia nervosa commonly exhibit extreme...
Symptoms and Physical Effects
Individuals with anorexia nervosa commonly exhibit extreme...
865
Binge Eating Disorders
402
Binge eating disorder is a significant mental health condition characterized by recurrent episodes of excessive food consumption within a short period, accompanied by a perceived loss of control over eating behavior. Unlike occasional overeating, binge eating disorder is marked by distressing emotions such as guilt, shame, and anxiety following binge episodes. The disorder affects individuals across different ages and backgrounds, with profound implications for physical and psychological...
402
Metabolic States of the Body: The Postabsorptive State
1.2K
The postabsorptive state usually starts about four hours after a meal and lasts until the next meal is eaten. During this time, the digestive system stops absorbing nutrients, and the body uses stored energy reserves to maintain stable blood glucose levels.
Initially, glycogen stored in the liver is broken down to release glucose into the bloodstream, while glycogen in the muscles is broken down to supply glucose for energy directly within the muscle cells. As glycogen stores diminish,...
Initially, glycogen stored in the liver is broken down to release glucose into the bloodstream, while glycogen in the muscles is broken down to supply glucose for energy directly within the muscle cells. As glycogen stores diminish,...
1.2K
Overview of Protein Metabolism
3.5K
Proteins are broken down into amino acids during digestion. Unlike fats and carbohydrates, which are stored for later use, proteins are not. Instead, amino acids are either used to produce ATP through oxidation or contribute to the creation of new proteins for the growth and repair of the body. Any surplus amino acids from the diet are converted into glucose or triglycerides rather than excreted.
Amino acids play various roles in the body once they are absorbed into cells. They are restructured...
Amino acids play various roles in the body once they are absorbed into cells. They are restructured...
3.5K

