Dogs with what risk factors are more likely to develop anastomotic leakage?
preop peritonitis
intestinal FB
serum albumin <2.5 g/dl
What is advantage of vaccuum assisted closure?
speeds generation of healthy granulation tissue by removing excess fluid/bacteria
How much of the small intestines are removied before short bowel syndrome is a concern? How long before remaining intestines adapt?
more than 70-80%
supportive care until adapt by 1-2 months
Short bowel syndrome patients can be anemic secondary to what?
folic acid deficiency
Where in GI is neoplasia most common in dog? Cat?
dog: colon and rectum
cat: small intestine
Are most neoplasias in dog/cat malignant or benign? Are mets common?
malignant
yes, usu. lymph nodes, liver, lungs
(86% dogs/71% cats have mets at necropsy)
What is most common neoplasia in dog? cat?
dog: adenocarcinoma of intestine; adenomatous polyp in rectum
cat: lymphosarcoma
What is mean age for dogs and cats to get intestinal neoplasia? more males or females? What breeds more prone?
dog: 9yr; males
cat: 10yr, females
Boxer, collie, ..german shepherd
siamese cats
What type of adenocarcinoma is sometimes palpable and described as "napkin ring"?
annular adenocarcinoma of distal jejunum
Intestinal neoplasia can cause weight loss regardless of location, what are signs that distinguish small from large intestine?
small: anorexia, diarrhea, melena, signs of obstruction/vomit
large: tenesmus, hematochezia, dyschezia
Anemia is common with which intestinal neoplasia?
leiomyosarcoma
What is tx of choice for neoplasia in intestine? Which tumors have some success with chemo?
resection/anastomosis (if mets not present)
lymphosarcoma
Which type of Colorectal tumors are likely to recur? Why is euthanisia usually the decision with these?
large, sessile tumors likely to recur
failure to control dyschezia/hematochezia
What are some causes of rectal prolapse? Should ice or sugar be used to reduce?
parasites
decr. peristalsis
incr. laxity/incr. diarrhea
no ice (burns)
sugar helps reduce size via osmosis
what is an acquired disorder of cats characterized by colon dilation and inffective transport of feces, resulting in chronic constipation? Why would dogs have this condition?
feline idiopathic megacolon
dogs from narrowed pelvis that narrows colon
What is signalment of cats with megacolon? what is duration?
adult, either sex, any breed
6mo -10yrs (mean 2.5 yr)
what are options for medical management of idiopathic megacolon?
warm water enema; hydrogen peroxide enema
lubricate/break down feces
mineral oil to diet (NOT cooking oil)
only short term relief
What are options for surgical management of idiopathic megacolon?