Impaction of the Cecum and Large Intestine in Horses

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Questions and Answers

What are the most common sites of impaction associated with colic in horses?

  • Transverse colon region and the base of the cecum
  • Pelvic flexure region of the left colon and the base and body of the cecum (correct)
  • Pelvic flexure region of the left colon and right dorsal colon
  • Right dorsal colon and transverse colon regions

What has been speculated as a possible reason for impaction of the cecum in affected horses?

  • Infection with tapeworm Anoplocephala perfoliata
  • Diseased or poorly managed teeth
  • Insufficient water intake
  • Abnormal cecal muscular activity (correct)

Which breeds were overrepresented among horses with cecal impaction according to a clinical study mentioned in the text?

  • Mustang, Friesian, and Andalusian
  • Thoroughbred, Quarter Horse, and Warmblood
  • Morgan, Arabian, and Appaloosa (correct)
  • Pony, Paint Horse, and Draft Horse

Why is assessing fecal output especially important in horses being administered NSAIDs on a daily basis?

<p>To detect abnormalities early (B)</p> Signup and view all the answers

What is a possible consequence of sand impaction in horses?

<p>Signs of abdominal pain due to gas in the colon (C)</p> Signup and view all the answers

How is sand impaction treated medically in horses?

<p>Intragastric administration of psyllium to purge sand from the lumen (A)</p> Signup and view all the answers

Why may it be challenging to distinguish sand impaction from an intestinal displacement?

<p>Both conditions present with signs of abdominal pain and colic (B)</p> Signup and view all the answers

What might indicate the need for surgical intervention in cases of sand impaction?

<p>Complete obstruction of the transverse colon lumen by sand (D)</p> Signup and view all the answers

Which part of the horse's intestine is most commonly affected by sand accumulation?

<p>Right dorsal colon and transverse colon (D)</p> Signup and view all the answers

What can severe signs of pain in sand impaction be attributed to?

<p>Obstruction occluding the lumen of the transverse colon (C)</p> Signup and view all the answers

What is the most common site of obstruction in horses with simple impactions?

<p>Pelvic flexure region (B)</p> Signup and view all the answers

How is the diagnosis of simple impactions typically made in horses?

<p>Rectal examination (A)</p> Signup and view all the answers

What is the mainstay of treatment for horses with cecal or large-colon impaction?

<p>Fluid therapy (B)</p> Signup and view all the answers

Which age group of horses are more likely to experience colic due to cecal impactions?

<p>&gt;8 years old (C)</p> Signup and view all the answers

What is the prognosis associated with impactions involving the large colon?

<p>&gt;90% (A)</p> Signup and view all the answers

What is one method of surgical treatment for cecal impactions that some surgeons prefer?

<p>Ileocolostomy (A)</p> Signup and view all the answers

Why has interest increased in using enteral fluid therapy to treat horses with impactions?

<p>It is less expensive than intravenous fluid therapy (C)</p> Signup and view all the answers

What is a typical symptom exhibited by horses with simple impactions?

<p>Increased heart rate (B)</p> Signup and view all the answers

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