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Spasmodic colic

A severe attach of abdominal pain caused by functional disturbance in the intestine, characterized by intermittent fits of colic, rapid course and favorable termination.
Etiology: Excitement , races, drinks of cold water when the horses are hot and sweating after work are all predisposing causes.

Pathogenesis:

The above factors lead to: Increase in parasympathetic tone causing, Hypermotility with consequent spasmodic colic, resulting in pain with consequent evacuation of intestinal contents. Then spasmodic contractions case and the peristaltic movements remain active for sometimes.
Clinical findings: 1- The disease is characterized by short attacks of abdominal pain. The pain is intermittent. The horse manifest rolling, pawing & kicking these signs last for a few minutes, then stands normally for a few minutes until the bout of pain occurs.
2- Loud intestinal sounds are often audible some distance from the horse. 3- Auscultation reveals a loud borborgymi sounds. 4- Pulse is elevated to above 60/min. 5- Sweating in patches. 6- The signs usually disappear spontaneously within few hours. A similar sign occurs in calves
and cows but the intestinal sounds are not usually increased.
Diagnosis: 1- Spasmodic colic may resemble enteritis because in both there are increased intestinal sounds
and pain.
Diarrhoea is usually present in enteritis: But care could be taken that parasitic enteritis (Horse)
may be an exception. 2- May be confused with intestinal obstruction, but the presence of blood; mucus in the rectum
and failure to pass faeces suggest obstruction. 3- Obstructive urolithiasis in horses has a similar posture, but there are absence of sounds. 4- Abdominal pain due to uterine contractions may also occur, but again there is no
hypermotility.
Treatment: 1- The best treatment for hypermotility is by Spasmolytic agents as atropine.
2- Injection of pethidine as an analgesic and Spasmolytic. 3- Novocain 0.1 gram /l00 kg bwt injected very slowly i/v may produce an immediate relief. 4- Promazine derivatives (tranquillizers) have also a Spasmolytic effect. 5- Novalgin 50% as i/v injection (20-25 ml) for a horse produced a rapid relief. 6- Enema with soft soap & warm water may stimulate and regulates the intestinal peristalsis in
some cases.




رفعت المحاضرة من قبل: Yehia Vet
المشاهدات: لقد قام عضوان و 96 زائراً بقراءة هذه المحاضرة








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