17. Surgical GIT 2

Question 1

What is thromboembolic colic?

Answer 1

Vascular compromise without strangulation
-Strongylus vulgaris
-Severe colitis
-Coagulopathies

Question 2

When does mesocolic rupture of the small colon usually occur?

Answer 2

Post-foaling
-Damage to vessels, ischemia small colon
-Straining from diarrhea, dystocia, parasites, tumor, crystals, FB

Question 3

How do you suspect a horse of mesocolic rupture?

Answer 3

Pregnancy status
Signs of peritonitis
-Fever
-Anorexia
-Mild Colic
-Scant Feces

Question 4

How do you treat mesocolic rupture?

Answer 4

reduce and treat primary, small colon then resection
(guarded with small colon involvement)

Question 5

How do you know you have a strangulating obstruction when the animal is on the table?

Answer 5

Distinct line of demarcation
-Inflammatory and then endotoxic

Question 6

What is a strangulating lipoma?

Answer 6

benign, smooth wall fat tumor on thin stalk (jejunum and ilium)

Question 7

What are signs of a strangulating lipoma?

Answer 7

Severe colic, serosangoinous tap, distended loop SI, reflux

Question 8

Who commonly gets strangulating lipomas?

Answer 8

14-19yr horses

Question 9

What is epiploric foramen entrapement?

Answer 9

left to right intestine around nephrosplenic area

Ilieum

Reoccur common

Mesh to block foramen

Question 10

What is volvulus?

Answer 10

Rotation jejunum and ileum around mesentery leading to ischemia
>3yr
Common indication abdominal surgery foal 2-4

Question 11

Who typically gets inguinal hernias?

Answer 11

Stallions
Jejunum and ilium
Standard bred, TN walking saddlebred

Question 12

How do you treat inguinal hernias?

Answer 12

Hemi castration and closure of external inguinal ring

Question 13

What are signs of large colon volvulus?

Answer 13

Unrelenting pain, non-responsive to pain med, hypovlemia, cardiovascular unstable
-Base cecum counter clockwise

Question 14

What is the prognosis for large colon volvulus?

Answer 14

Guarded

Question 15

What predisposes an animal to intussusceptions?

Answer 15

Enteritis, parasites (ascarid and tapeworm), diet change

Diagnose: surgery

Question 16

How do you treat a diaphragmatc hernia?

Answer 16

Surgery

Question 17

How do you close the abdomen in an adult horse?

Answer 17

2 or #3 suture - absorbable - SC or interrupted

Lavage sterile saline and antibiotic
2-0 monofiliment
skin staples or SC

Question 18

What are some critical things to remember in post-op care?

Answer 18

Antibiotics, fluid, lidocaine, NSAID, Ice boots, belly band, poly B, refeeding, stall rest 50-60 days