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Colic in horses is defined as abdominal pain, but it is a clinical sign rather than a diagnosis. The term colic can encompass all forms of gastrointestinal conditions which cause pain as well as other causes of abdominal pain not involving the gastrointestinal tract. The most common forms of colic are gastrointestinal in nature and are most often related to colonic disturbance. There are a variety of different causes of colic, some of which can prove fatal without surgical intervention. Colic surgery is usually an expensive procedure as it is major abdominal surgery, often with intensive aftercare. Among domesticated horses, colic is the leading cause of premature death.〔 The incidence of colic in the general horse population has been estimated between four〔 and ten percent over the course of their lifetime. Clinical signs of colic generally require treatment by a veterinarian. ==Pathophysiology of equine colic== Colic can be divided broadly into several categories: #excessive gas accumulation in the intestine (gas colic) #simple obstruction #strangulating obstruction #non-strangulating infarction #inflammation of the gastrointestinal tract (enteritis, colitis) or the peritoneum (peritonitis) #ulceration of the gastrointestinal mucosa These categories can be further differentiated based on location of the lesion and underlying cause (See Types of colic). 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「horse colic」の詳細全文を読む スポンサード リンク
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