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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 7, 2023

🔍 Key Findings

  • LVSG was successfully performed in 9/10 cadavers and both live cats, demonstrating procedural feasibility.
  • Mean stomach resected was 27.6% of total weight in cadavers, with no leaks in 8/8 tested or either live patient.
  • Mean surgical time: 110.4 min (cadavers) and 115 min (live cats); no intra- or postoperative complications observed.
  • Stenosis near the incisura occurred in 2 cadavers; attributed to staple placement too close to the lesser curvature.
  • 3D printed cannulas (3DPCs) improved ergonomics and were used in 6/10 cadavers and both live procedures.
  • Live cats lost 21–24% body weight over 3 months, with full return to pre-surgical BCS and no GI complications.
  • Orogastric tube and proper tensioning were critical in preventing gastric stenosis during staple placement.
  • No reinforcement or oversew was used on the staple line; TriStaple cartridges provided reliable closure.

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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 7, 2023

🔍 Key Findings

  • LVSG was successfully performed in 9/10 cadavers and both live cats, demonstrating procedural feasibility.
  • Mean stomach resected was 27.6% of total weight in cadavers, with no leaks in 8/8 tested or either live patient.
  • Mean surgical time: 110.4 min (cadavers) and 115 min (live cats); no intra- or postoperative complications observed.
  • Stenosis near the incisura occurred in 2 cadavers; attributed to staple placement too close to the lesser curvature.
  • 3D printed cannulas (3DPCs) improved ergonomics and were used in 6/10 cadavers and both live procedures.
  • Live cats lost 21–24% body weight over 3 months, with full return to pre-surgical BCS and no GI complications.
  • Orogastric tube and proper tensioning were critical in preventing gastric stenosis during staple placement.
  • No reinforcement or oversew was used on the staple line; TriStaple cartridges provided reliable closure.

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Multiple Choice Questions on this study

In Buote 2023 et al., on laparoscopic vertical sleeve gastrectomy (LVSG), on LVSG, what was the primary method used for leak testing after stapling?

A. Air insufflation
B. CT imaging
C. Methylene blue injection
D. Fluoroscopy
E. Endoscopy

Answer: Methylene blue injection

Explanation: A methylene blue saline solution was injected via orogastric tube to assess for leaks.
In Buote 2023 et al., on laparoscopic vertical sleeve gastrectomy (LVSG), on LVSG, what was the outcome of the live feline procedures at 3-month follow-up?

A. One cat developed dehiscence
B. Both cats had mild vomiting
C. Both cats returned to pre-surgical BCS with no complications
D. Both cats lost >50% body weight
E. Both cats developed GI strictures

Answer: Both cats returned to pre-surgical BCS with no complications

Explanation: No GI complications were observed, and both cats lost weight and returned to normal BCS over 3 months.
In Buote 2023 et al., on laparoscopic vertical sleeve gastrectomy (LVSG), on LVSG, what percentage of the stomach was resected by weight in cadaveric specimens?

A. 10%
B. 27.6%
C. 40%
D. 52.3%
E. 70%

Answer: 27.6%

Explanation: The mean resected stomach weight was 27.6% of total weight in cadaveric procedures.
In Buote 2023 et al., on laparoscopic vertical sleeve gastrectomy (LVSG), on LVSG, which device was primarily used for stomach transection?

A. Endo Stapler (white cartridge)
B. LigaSure device
C. Hand-sewn sutures
D. Endo GIA stapler with TriStaple cartridge
E. Harmonic scalpel

Answer: Endo GIA stapler with TriStaple cartridge

Explanation: Endo GIA staplers with purple TriStaple cartridges were used in both live cats.
In Buote 2023 et al., on laparoscopic vertical sleeve gastrectomy (LVSG), what was the most common intraoperative complication in the cadaver model?

A. Stapler malfunction
B. Orogastric tube stapling
C. Excessive bleeding
D. Stenosis at the incisura angularis
E. Leakage at the staple line

Answer: Stenosis at the incisura angularis

Explanation: Stenosis was observed in 2/9 cadavers, associated with stapling too close to the lesser curvature.

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