Gastrointestinal Surgery Flashcards
Winter, JAVMA, 2017:
Ultrasound vs CT for diagnosing GI obstructions
- Abdominal CT diagnosis vs exploratory surgery diagnosis?
- Abdominal ultrasonography diagnosis vs exploratory surgery diagnosis?
Winter, JAVMA, 2017:
- All abdo CT results agreed with ex-lap diagnosis of obstruction
- Abdo ultrasound misdiagnosed 1 case with obstruction when it had functional ileus instead
Abrams, Vet Surg, 2019:
Gastric carcinoma in dogs
- Post-op complication rate?
- % of cases that developed septic peritonitis secondary to dehiscence?
- Median progression-free interval?
- MST?
- Dogs that experience an intra-op complication had increased risk of what?
- Effect of adjuvant chemotherapy on survival?
Abrams, Vet Surg, 2019:
- Post-op complication rate: 20%
- 10% developed septic peritonitis secondary to dehiscence
- Median progression-free interval: 54 days
- MST: 178 days
- Dogs that experience an intra-op complication had increased risk of death
- Adjuvant chemo was correlated with improved survival
Seim-Wikse, JAVMA, 2019:
Gastric carcinoma in dogs
Factors that make a diagnosis of gastric carcinoma more likely than chronic gastritis?
Seim-Wikse, JAVMA, 2019:
Dogs >8 years of age, body condition score <4, serum C-reactive protein concentration >25mg/L, abnormally low serum folate concentration
Tanaka, VRU, 2019:
Contrast-enhanced CT for staging canine gastric tumors
- Was post-contrast mean CT attenuation value for lymphoma lower or higher than that for other gastric tumors?
- Lymphadenopathy in lymphomas vs adenocarcinomas vs leiomyomas?
- Lymph node measurements in lymphoma vs adenocarcinoma?
Tanaka, VRU, 2019:
- Post-contrast mean CT attenuation value for lymphoma was lower than that for other gastric tumors
- Lymphadenopathy was widespread in lymphoma vs regional in adenocarcinoma vs not detected in leiomyomas
- Lymph node measurements in lymphoma were larger that those in adenocarcinoma
Smith, JAVMA, 2019:
Small intestinal adenocarcinoma in dogs
- Overall MST post-op?
- What factor was associated with a longer MST?
- What was not associated with survival time?
Smith, JAVMA, 2019:
- Overall MST post-op: 544 days
- Age <8 years was associated with a longer MST
- Lymph node metastasis, adjuvant chemo and NSAID administration were not associated with survival time
Tidd, Vet Surg, 2019:
GI lymphoma in cats treated with surgical resection
- Distribution of masses with the GIT?
- What % survived to discharge?
- MST?
- What location of masses was associated with a longer survival time?
- What surgical factor was associated with survival?
Tidd, Vet Surg, 2019:
- 58% small intestinal, 23% large intestinal, 19% gastric
- 90% survived to discharge
- MST: 185 days
- Large intestinal masses were associated with longer survival times than small intestinal and gastric masses
- Complete surgical excision was positively associated with survival
Andrews, JAVMA, 2018:
Mesenteric volvulus in military working dogs
- What % of the dogs died or were euthanized shortly after diagnosis?
- Factors associated with increased odds of mesenteric volvulus?
- Presence of post-op complications following previous prophylactic gastropexy was associated with development of mesenteric volvulus - true or false?
Andrews, JAVMA, 2018:
- 93% died or were euthanized
- Factors associated with increased odds of mesenteric volvulus: German Shepherd breed, increasing age, history of previous prophylactic gastropexy, history of GI disease, history of other abdominal surgery, and NSAID administration at the time of mesenteric volvulus
- True
Plavec, Vet Surg, 2017:
Colonic or ileocecocolic volvulus
What % of affected dogs had previously had surgery for GDV?
Plavec, Vet Surg, 2017:
46% of affected dogs had previously had surgery for GDV, suggesting that a motility disorder could be a potential cause
Gremillion, VRU, 2018:
Colonic torsion
What diagnostic test allowed a more definitive diagnosis?
Gremillion, VRU, 2018:
Barium enema allowed a more definitive diagnosis
Schwartz and Coolman, Vet Surg, 2018:
Disposable skin staplers for closure of linear GI incisions
- Dehiscence rate?
- What was found to be associated with incisional dehiscence?
- Of the dogs that underwent a second GI surgery for another foreign body, what % had a linear foreign body attached to the staples in the intestinal lumen?
- How soon post-op do the skin staples migrate into intestinal lumen, and by when to the staples pass into the fecal stream?
Schwartz and Coolman, Vet Surg, 2018:
- 1% dehiscence rate
- Linear FBs were associated with incisional dehiscence
- 20% had a subsequent linear FB attached to the staples in the intestinal lumen
- Most of the skin staples will migrate into the intestinal lumen as early as 2 weeks post-op, and pass into the fecal stream by 6 months post-op
Duell, Vet Surg, 2016:
Dehiscence in hand-sutured vs stapled intestinal anastomoses
- Overall dehiscence rate?
- For hand-sutured anastomoses, what were the dehiscence rates for simple interrupted suture pattern? vs simple continuous suture patterns?
- Dehiscence rates for small intestine-small intestine vs small intestine-large intestine vs large intestine-large intestine anastomoses?
- Dehiscence rates for hand-sutured vs stapled anastomoses?
- What was associated with post-op dehiscence?
Duell, Vet Surg, 2016:
- Overall dehiscence rate: 14%
- 14% dehiscence rate for simple interrupted anastomoses vs 24% dehiscence rate for simple continuous anastomoses
- 16% dehiscence rate for small intestine-small intestine vs 4% dehiscence rate for small intestine-large intestine vs 0% dehiscence rate for large intestine-large intestine anastomoses
- No difference in dehiscence rates between hand-sutured vs stapled anastomoses
- Pre-op septic peritonitis was associated with post-op dehiscence
Snowdon, Vet Surg, 2016:
Dehiscence of FEESA
- Dehiscence rate?
- Median time to dehiscence?
- Dogs with dehiscence were 13 times more likely to have what?
- Post-op mortality rate?
- Mortality rate in cases with anastomotic dehiscence vs cases without dehiscence?
- Surgical factors associated with anastomotic dehiscence?
- What 3 factors were not risk factors for anastomotic dehiscence?
Snowdon, Vet Surg, 2016:
- Dehiscence rate: 11%
- Median of 4 days post-op to dehiscence
- Dogs with dehiscence were 13 times more likely to have intra-op hypotension
- Post-op mortality rate: 28%
- 83% mortality rate for cases with dehiscence vs 21% mortality rate for cases without dehiscence
- Surgical factors associated with anastomotic dehiscence: presence, duration and number of episodes of hypotension, location of anastomosis involving the large intestine (11 times greater odds of dehiscence)
- Pre-op septic peritonitis, presence of a foreign body and hypoalbuminemia were not risk factors for dehiscence
DePompeo, JAVMA, 2018:
Complications of hand-sutured vs stapled intestinal anastomoses
- Dehiscence rates for hand-sutured anastomoses vs FEESA?
- Mortality rate for patients with dehiscence?
- What 3 factors were not risk factors for dehiscence?
DePompeo, JAVMA, 2018:
- 13% dehiscence rate for hand-suture anastomoses vs 5% dehiscence rate for FEESA
- Mortality rate for patients with dehiscence: 69%
- Pre-op peritonitis, hypoalbuminemia and anatomic location of the anastomosis were not risk factors for dehiscence
Davis, Vet Surg, 2018:
Dehiscence of enterectomy sites
- What % of dogs with pre-op septic peritonitis had hypoalbuminemia vs dogs without pre-op septic peritonitis?
- Overall dehiscence rate?
- Average time to dehiscence?
- Anastomotic technique (stapled vs sutured) was not significantly associated with dehiscence in cases without pre-op septic peritonitis, however in the presence of pre-op septic peritonitis, stapled anastomoses were less likely to dehisce than sutured anastomoses - true or false?
- Dogs with pre-op septic peritonitis were how many times more likely to dehisce than dogs without pre-op septic peritonitis?
- Mortality rate for dogs with dehiscence?
- What was not a risk factor for dehiscence?
Davis, Vet Surg, 2018:
- 73% of dogs with pre-op septic peritonitis had hypoalbuminemia vs 41% of dogs without pre-op septic peritonitis
- Overall dehiscence rate: 11%
- Average of 5 days to dehiscence
- True
- Dogs with pre-op septic peritonitis were 4 times more likely to dehisce than dogs without pre-op septic peritonitis
- 67% mortality rate for dogs with dehiscence
- Foreign body obstruction was not a risk factor for dehiscence
Sumner, Vet Surg, 2019:
FEESA
Effect of suture reinforcement for FEESA?
Sumner, Vet Surg, 2019:
Oversewing the transverse staple line in FEESA was associated with lower dehiscence rates