Peritonitis

Question 1

Primary peritonitis eg

Answer 1

feline infectious peritonitis

Question 2

mechanical causes of aseptic peritonitis

Answer 2

• swabs
• air
• suture material
• glove powder

Question 3

chemical causes of aseptic peritonitis

Answer 3

• uroperitoneum

- pancreatitis

Question 4

what causes septic peritonitis?

Answer 4

any source of intra-abdominal bacterial contamination

Question 5

radiographic signs of peritonitis

Answer 5

• generalised loss of serosal detail
• focal loss of detail
• free gas developing around the diaphragm/abdomen

Question 6

abdominocentesis technique

Answer 6

• blind/US guided
• aseptic technique
• needle placed 1cm caudal to umbilicus

Question 7

technique for diagnostic peritoneal lavage

Answer 7

1. Intraperitoneal infusion w/ saline 20ml/kg
2. Roll animal
3. Retrieve fluid back into a saline bag - only need a small amount

Question 8

Normal cell count and TP of abdominal fluid

Answer 8

cells <300/uL

protein <3g/dL

Question 9

septic indicators on abdominocentesis biochem

Answer 9

low glucose and high lactate (vs. serum levels)

Question 10

uroperitoneum indicators on abdominocentesis biochem

Answer 10

creatinine 2.5x serum

potassium 1.4x serum

Question 11

indicators of chyloperitoneum on abdominocentesis biochem

Answer 11

triglycerides 3x serum

Question 12

surgical tx. of peritonitis

Answer 12

1. ID and correction of the underlying cause
2. Lavage the peritoneal cavity (local vs. entire abdomen)
3. Consideration of post-op drainage
4. Provision of an avenue for nutritional stupport

Question 13

post-op management

Answer 13

1. ABs: continue empirical until culture return
2. Analgesia: reduce sympathetic stim. that causes ileus
3. IVFT
4. Nutritional support: reverse catabolic state, protein replacement