Biliary dyskinesia

Japanese: 胆道ジスキネジー - たんどうじすきねじー(英語表記)biliary dyskinesia
Biliary dyskinesia

It is also called biliary ataxia or biliary insufficiency. It is a condition caused by dysfunction of the bile outflow system (sphincter of Oddi, bile duct, gallbladder), and cholelithiasis and inflammation of the biliary tract have been excluded. It is pain diagnosed as biliary pain by an internal medicine, surgery, or psychiatry doctor through individual evaluation, and there must be no clinical evidence indicating the presence of organic gastrointestinal disease or other diseases that could cause abdominal pain.

Symptoms include pain reminiscent of cholelithiasis, dull pain in the right hypochondrium (the area of ​​the lowest rib on the right side), nausea, constipation, diarrhea, general fatigue, and loss of appetite.

The diagnosis is by exclusion, and thorough examination is required to check for organic changes in the biliary tract and the presence or absence of stones using ultrasound, CT, magnetic resonance cholangiopancreatography (MRCP), direct cholangiography, etc. In addition, psychosomatic disorders, especially irritable bowel syndrome and neurosis, may occur together, which can be helpful in making a diagnosis.

Treatment plans vary slightly depending on the condition, but it is important to avoid overwork and excessive eating and drinking, and if psychological factors are suspected, to eliminate psychological causes. Administration of sedatives and tranquilizers can also be effective.

[Kazumichi Nakayama]

[Reference items] | Cholangitis | Bile | Cholelithiasis | Gallbladder | Cholecystitis | Bile duct

Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend

Japanese:

胆道運動失調症、胆道機能不全ともいう。胆汁流出装置(オッデイ括約筋、胆管、胆嚢(たんのう))の機能障害によって生じる病態で、胆石症、胆道の炎症が除外されたものである。内科、外科、精神科の医師が個々の評価を行い胆道痛と診断した疼痛(とうつう)で、器質的な消化管疾患あるいはその他の腹痛の原因となりうる疾患の存在を示す臨床的根拠の欠如が必要である。

 症状としては胆石症を思わせる疼痛、右季肋(きろく)部(右側の最下方にある肋骨(ろっこつ)部)鈍痛、悪心(おしん)、便秘、下痢、全身倦怠感、食欲不振などがある。

 診断としては除外診断で、超音波検査、CT、磁気共鳴胆管膵管検査(MRCP)、直接胆道造影法などで胆道の器質的変化、結石の有無について十分に検討を加える必要がある。また、心身症、とくに過敏性腸管症候群、神経症を合併することがあり、診断上参考になる。

 治療方針は病態により多少異なるが、過労、暴飲暴食を避け、心因性の因子が考えられる場合には精神的な原因を除くことがたいせつで、鎮静剤、精神安定剤の投与も効果的である。

[中山和道]

[参照項目] | 胆管炎 | 胆汁 | 胆石症 | 胆嚢 | 胆嚢炎 | 輸胆管

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