18 Questions
What are the most common sites of impaction associated with colic in horses?
Pelvic flexure region of the left colon and the base and body of the cecum
What has been speculated as a possible reason for impaction of the cecum in affected horses?
Abnormal cecal muscular activity
Which breeds were overrepresented among horses with cecal impaction according to a clinical study mentioned in the text?
Morgan, Arabian, and Appaloosa
Why is assessing fecal output especially important in horses being administered NSAIDs on a daily basis?
To detect abnormalities early
What is a possible consequence of sand impaction in horses?
Signs of abdominal pain due to gas in the colon
How is sand impaction treated medically in horses?
Intragastric administration of psyllium to purge sand from the lumen
Why may it be challenging to distinguish sand impaction from an intestinal displacement?
Both conditions present with signs of abdominal pain and colic
What might indicate the need for surgical intervention in cases of sand impaction?
Complete obstruction of the transverse colon lumen by sand
Which part of the horse's intestine is most commonly affected by sand accumulation?
Right dorsal colon and transverse colon
What can severe signs of pain in sand impaction be attributed to?
Obstruction occluding the lumen of the transverse colon
What is the most common site of obstruction in horses with simple impactions?
Pelvic flexure region
How is the diagnosis of simple impactions typically made in horses?
Rectal examination
What is the mainstay of treatment for horses with cecal or large-colon impaction?
Fluid therapy
Which age group of horses are more likely to experience colic due to cecal impactions?
>8 years old
What is the prognosis associated with impactions involving the large colon?
>90%
What is one method of surgical treatment for cecal impactions that some surgeons prefer?
Ileocolostomy
Why has interest increased in using enteral fluid therapy to treat horses with impactions?
It is less expensive than intravenous fluid therapy
What is a typical symptom exhibited by horses with simple impactions?
Increased heart rate
Explore the common sites of impaction in horses, including the pelvic flexure region, junction of the right dorsal colon with the transverse colon, and the cecum. Learn about the anatomical predispositions and underlying reasons for impaction in horses.
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