Gastrointestinal Surgery

Question 1

what can cause a gastrointestinal obstruction?

Answer 1

foreign bodiess
intussusception
GI neoplasia

Question 2

are GI foreign bodies more common in dogs or cats?

Answer 2

dogs

Question 3

how should you evaluate small intestines in radiographs?

Answer 3

size: dilated or 2 populations of bowel
distribution/shape: bunching, stacking/plication, hairpin bends, eccentric comma or crescent-shaped gas bubbles

Question 4

what are the most common locations of intussusception?

Answer 4

jejunum
ileocecocolic junction

Question 5

what is the prognosis of GI adenocarcinoma in the stomach in dogs?

Answer 5

poor

Question 6

which dogs usually get mesenteric volvulus?

Answer 6

young adult, medium to large breed
german shepherd most common

Question 7

what is the most significant potential complication of GI surgery?

Answer 7

dehiscence/leakage leading to septic peritonitis

Question 8

when does the proliferative phase of GI healing occur?

Answer 8

days 4-14

Question 9

what is glucose like in abdominocentesis in septic peritonitis?

Answer 9

20 mg/dl or more lower than peripheral blood in abdominocentesis

Question 10

is a bone in the stomach usually digestible?

Answer 10

yes

Question 11

in what can you use a red rubber catheter technique?

Answer 11

linear foreign body surgery

Question 12

how much of the small intestine can be resected?

Answer 12

up to 50%

Question 13

when should you give antibiotic prophylaxis for a GI surgery?

Answer 13

30-60 minutes prior to incision
every 90 minutes during surgery

Question 14

what causes intussusception?

Answer 14

inflammation of thee GI: abnormal motility

Question 15

what is the risk of recurrence for intussusception?

Answer 15

6-27%

Question 16

what does enteroplication do?

Answer 16

creates adhesions between small intestinal loops with suture
prevents telescoping of one segment into the next

Question 17

where is a GI neoplasia not usually malignant?

Answer 17

rectum
usually malignant elsewhere

Question 18

what GI neoplasias are seen in dogs?

Answer 18

adenocarcinoma
lymphoma
leiomyosarcoma/gastrointestinal stromal tumor

Question 19

what is the prognosis of GI adenocarcinoma in cats?

Answer 19

significant risk of death within 2 weeks of surgery
high rate metastasis

Question 20

what is the prognosis of a gastric adenocarcinoma in dogs?

Answer 20

poor: <6 months with surgery

Question 21

what is a small intestinal adenocarcinoma like in dogs?

Answer 21

high rate metastasis
10 months MST without mets

Question 22

what is a colorectal adenocarcinoma like in dogs?

Answer 22

MST 2-4 years with surgery
morphology affects prognosis: pedunculated, single best

Question 23

for liquid stools after a megacolon subtotal colectomy, what increases the risk?

Answer 23

ICJ removal

Question 24

when is risk of septic peritonitis after surgery greatest?

Answer 24

3-5 days postop