SOFT TISSUE SX 6 &7 : stomach & SI Flashcards
(66 cards)
What is a gastrotomy?
Incising the stomach
What does a gastrectomy involve?
Excising a portion of the stomach
Define gastrostomy.
Creating a stoma usually using a tube in the stomach
What is a gastropexy?
Fixing stomach to body wall
What are 4 significant risks during gastrointestinal surgery?
-Intra-operative contamination
-post-operative dehiscence and leakage
-septic peritonitis
-iatrogenic obstruction
What are 2 items that can be used to exteriorise and isolate contamination from the rest of the abdomen?
swabs
laparotomy pad
What are 5 ways that the stomach can be isolated in cases of contmaination?
stay sutures
babcock forceps
packing around the site
occlude stomach on either sides of incision
stay suture to tent stomach
What are 3 techniques/strategies to reduce risk of dehiscence in surgery?
atraumatic tissue handling
omental wrap [good for blood supply, immune response…]
serosal patch [serosa from different region of intestine sutured on incision]
What is the percentage of degiscence?
5-10%
To reduce risk of dehisence, what type of suture material should be used?
mono or multi?
synthetic or natural?
absorbable or non-absorbable?
monofilament, synthetic, absorbable
What are the two main indications for gastrotomy
foreign body removal
biopsy
What are the steps to a gastrotomy?
expose stomach
pick avascular area away form pylorus
place stay sutures on either side
tent stomach and isolate with swabs
stab with no.11 scalpel
extend incision
Does the stomach have a large or small collateral blood supply?
large
How many layers are included in the closure of a gastrotomy? (just stomach, not wall/skin etc)
What are the layers?
1-2
1:mucosa & submucosa
2: muscularis & serosa
Should patients be fasted after gastrotomy surgery?
no
List some clinical signs of gastric disease.
- Vomiting
- Haematemesis
- Melena [black feces]
- Dehydration
- Loss of appetite
- Weight loss
What can gastric foreign bodies cause?
Pyloric/intestinal obstruction and rapid deterioration
[can also be incidental]
What diagnostic tool is used to detect radio-opaque foreign bodies?
Radiography
What is the size of a normal fundus? [in relation to # of intercostal spaces]
normal fundus < 3 icsp
if >6 icsp, suspect pathology
How can gastric foreign bodies be treated? (3 ways)
- Induce emesis
- Endoscopic removal
- Gastrotomy
Define primary peritonitis.
Spontaneous, inflammation with no primary cause. less common
What is an example of a condition causing secondary peritonitis?
FIP
What substances is secondary peritonitis commonly caused by?
urine
bile
pyometra
pancreatitis
What are clinical indicators of peritonitis?
- History of GI surgery/foreign body sx
- Dullness/lethargy
- Abdominal distension
- Abdominal pain