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Sanders et al: Gastrointestinal thickness, duration, and leak pressure of five intestinal anastomosis techniques in cats
Veterinary Surgery 2, 2024

🔍 Key Findings Summary

  • ILP and MIP: No significant differences in leak pressure between HSA, FEESA, and SS techniques (p > .05).
  • Construct Time:
    • FEESA (no oversew) fastest: 79 ± 30 s
    • HSA-SI slowest: 397 ± 70 s (p < .001)
  • Tissue Thickness:
    • Jejunum thickest: 2.28 ± 0.30 mm
    • Stomach thinnest: 1.66 ± 0.28 mm
  • Staple Malformation: Noted in 2 FEESA-O constructs, vertical staple line.
  • Leak Locations:
    • HSA: All leaked from suture bites
    • FEESA: Leaks from vertical and horizontal staple lines
    • SS: Mostly from staple holes

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← Articles

Sanders et al: Gastrointestinal thickness, duration, and leak pressure of five intestinal anastomosis techniques in cats
Veterinary Surgery 2, 2024

🔍 Key Findings Summary

  • ILP and MIP: No significant differences in leak pressure between HSA, FEESA, and SS techniques (p > .05).
  • Construct Time:
    • FEESA (no oversew) fastest: 79 ± 30 s
    • HSA-SI slowest: 397 ± 70 s (p < .001)
  • Tissue Thickness:
    • Jejunum thickest: 2.28 ± 0.30 mm
    • Stomach thinnest: 1.66 ± 0.28 mm
  • Staple Malformation: Noted in 2 FEESA-O constructs, vertical staple line.
  • Leak Locations:
    • HSA: All leaked from suture bites
    • FEESA: Leaks from vertical and horizontal staple lines
    • SS: Mostly from staple holes

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Multiple Choice Questions on this study

In Sanders 2024 et al., on feline anastomosis techniques, what conclusion was drawn about oversewing FEESA constructs?

A. It increased ILP significantly
B. It significantly delayed construct time
C. It eliminated vertical staple line leaks
D. It reduced ILP below physiologic range
E. It increased cost without benefit

Answer: It eliminated vertical staple line leaks

Explanation: No FEESA-O constructs leaked at the transverse staple line, unlike 50% of non-oversewn FEESAs; ILP did not change, but structural benefit was observed.
In Sanders 2024 et al., on feline anastomosis techniques, where was leakage most commonly observed in skin-stapled constructs?

A. Suture bites
B. Vertical staple line
C. Horizontal staple line
D. Staple holes
E. Mesenteric margin

Answer: Staple holes

Explanation: In skin-stapled constructs, 8/10 leaks originated at staple holes, with 2 additional from the cut edge.
In Sanders 2024 et al., on feline anastomosis techniques, what was the observed mean jejunal mural thickness?

A. 1.66 mm
B. 2.05 mm
C. 2.28 mm
D. 2.11 mm
E. 2.40 mm

Answer: 2.28 mm

Explanation: Jejunal mural thickness averaged 2.28 ± 0.30 mm, the greatest among gastrointestinal segments measured.
In Sanders 2024 et al., on feline anastomosis techniques, which method had the shortest mean time to construct completion?

A. Hand-sewn simple interrupted
B. Hand-sewn simple continuous
C. FEESA with oversew
D. FEESA without oversew
E. Skin stapled

Answer: FEESA without oversew

Explanation: FEESA without oversew had a mean construction time of 79 seconds, significantly faster than all other methods.
In Sanders 2024 et al., on feline anastomosis techniques, which statement is TRUE regarding initial leak pressures (ILPs)?

A. ILPs were highest in FEESA-oversewn constructs
B. Skin stapled constructs had significantly higher ILPs than control
C. All constructs had ILPs below physiologic pressures
D. HSA-SI had the highest mean ILP among techniques
E. There were significant differences in ILP between treatment groups

Answer: HSA-SI had the highest mean ILP among techniques

Explanation: HSA-SI had a mean ILP of 165 ± 122 mmHg, higher than all other treatment groups; however, differences were not statistically significant (p > .08).

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