equine colic Flashcards
what is the epidemiology of a pedunculated lipoma strangulation
benign tumors that arise from th mesentery
horses >8 yo
ponies predisposed
geldings more common than mare
usually affects the small intestines
what predisposes horses to a large colon voluvus
changes in managment such as feed and stabling
dental issues
large breed horses and mares post foaling
what predisposes a horse to a large colon impaction
management changes, increase in box rest, eating straw bedding
which type of colic is crib biting/wind sucking most associated with
epiploic foramen entrapment
describe spasmoidic colic and its treatment
intestinal spasms. mild pain with normal CV parameters
treatment: butylscopolamine and phenylbutazone
what is felt on rectal examination of a large colon impaction
doughy firm yet smooth structure on the left hand side of the caudal abdomen
how would you treat large colon impaction
provide plenty of oral fluid. Can add MgSO4 as an osmotic laxative.
provide plenty of analgesia (flunixin)
if no improvement: surgery
how to differentiate a large colon impaction from a secondary impaction
secondary impactions feel corrugated
what locations are predisposed to impactions
pelvic flexure
junction of right dorsal colon with transverse colon
how is nephrosplenic entrapment diagnosed
rectal palpation- distended left colon and can feel colon within nephrosplenic space
X-ray- unable to see left kidney in radiograph
what is the treatment nephrosplenic entrapment
phenylephrine infusion given IV over 15 mins. Lunge horse for 15 mins. repeat rectal to see if colon has repositioned itself
what is the treatment for sand associated colic
MgSO4 and psyllium sulphate given once daily via nasogastric tube for 4 days
what are the indications for euthanasia when dealing with a colic case
unresponsive to analgesia
severe CV compromise. HR<90, PCV>60%, purple MM
gastrointestinal rupture (brown/red ingesta in peritoneal fluid, profuse sweating followed by reduced pain, boarding of abdomen)
what three types of colic most commonly require surgery
pedunculated lipoma, epiploic foramen entrapment, large colon displacement/entrapment
what is a common predisposition for ileal impaction or cecal intususseption
tapeworm burden
Anoplocephala perfoliata
