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Buote et al: Laparoscopic vertical sleeve gastrectomy in felines: A cadaveric feasibility study and experimental case series in two cats
Veterinary Surgery 6, 2023

🔍 Key Findings

  • LVSG was feasible in 9/10 feline cadavers and both live cats, with no intra- or postoperative complications in live cases.
  • Two cadavers developed suspected stenosis due to staple lines too close to the lesser curvature; avoided with orogastric tube placement in later cases.
  • No evidence of gastric leakage in any cadavers (8/10 tested) or live patients after methylene blue leak tests.
  • Mean surgical time was ~110 min cadavers / 115 min live, and 27.6% of stomach mass was resected.
  • Both live cats recovered uneventfully, lost 21–24% body weight over 3 months, and had no GI complications at 6-month follow-up.
  • Orogastric tube and tension on the greater curvature were critical to avoid staple line misplacement or stenosis.
  • No oversew of the staple line was needed, and unreinforced staples showed no leakage in live patients.
  • Future studies needed to assess metabolic outcomes and ideal staple sizing and closure techniques.

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← Articles

Buote et al: Laparoscopic vertical sleeve gastrectomy in felines: A cadaveric feasibility study and experimental case series in two cats
Veterinary Surgery 6, 2023

🔍 Key Findings

  • LVSG was feasible in 9/10 feline cadavers and both live cats, with no intra- or postoperative complications in live cases.
  • Two cadavers developed suspected stenosis due to staple lines too close to the lesser curvature; avoided with orogastric tube placement in later cases.
  • No evidence of gastric leakage in any cadavers (8/10 tested) or live patients after methylene blue leak tests.
  • Mean surgical time was ~110 min cadavers / 115 min live, and 27.6% of stomach mass was resected.
  • Both live cats recovered uneventfully, lost 21–24% body weight over 3 months, and had no GI complications at 6-month follow-up.
  • Orogastric tube and tension on the greater curvature were critical to avoid staple line misplacement or stenosis.
  • No oversew of the staple line was needed, and unreinforced staples showed no leakage in live patients.
  • Future studies needed to assess metabolic outcomes and ideal staple sizing and closure techniques.

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Multiple Choice Questions on this study

In Buote 2023 et al., on laparoscopic sleeve gastrectomy in cats, what technique helped avoid staple line misplacement near the lesser curvature?

A. Staple line oversew
B. Preoperative endoscopy
C. Orogastric tube placement
D. Pyloric clamp application
E. Intraoperative radiography

Answer: Orogastric tube placement

Explanation: Orogastric tube helped ensure appropriate spacing from the lesser curvature during stapling.
In Buote 2023 et al., on laparoscopic sleeve gastrectomy in cats, what was the mean percentage of stomach weight resected in the cadaveric LVSG procedures?

A. 15%
B. 25%
C. 27.6%
D. 50%
E. 75%

Answer: 27.6%

Explanation: The average resected portion by weight was 27.6% in cadaveric models.
In Buote 2023 et al., on laparoscopic sleeve gastrectomy in cats, what percentage of cadavers had successful LVSG procedures completed?

A. 70%
B. 80%
C. 90%
D. 95%
E. 100%

Answer: 90%

Explanation: LVSG was completed successfully in 9 of 10 cadaver cats (90%).
In Buote 2023 et al., on laparoscopic sleeve gastrectomy in cats, which complication occurred in 2 cadavers due to stapling too close to the lesser curvature?

A. Gastric leakage
B. Gastric dilation
C. Staple line hemorrhage
D. Stenosis at incisura
E. Esophageal reflux

Answer: Stenosis at incisura

Explanation: Two cadavers had stenosis due to resection lines ≤1.5 cm from the lesser curvature.
In Buote 2023 et al., on laparoscopic sleeve gastrectomy in cats, which of the following was true regarding live patient outcomes after LVSG?

A. Required rescue analgesia
B. Developed incisional hernias
C. Experienced postoperative GI complications
D. Needed oversew of staple line
E. No complications were reported

Answer: No complications were reported

Explanation: Live cats had no GI or healing complications; staple lines were not oversewn.

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