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Related Experiment Videos

Intravascular stapler for "open" aortic surgery: preliminary results.

E G Shifrin1, W S Moore, P R F Bell

  • 1Department of Vascular Surgery, Assuta Hospital, Tel-Aviv, Israel. shifrin_e@yahoo.com

European Journal of Vascular and Endovascular Surgery : the Official Journal of the European Society for Vascular Surgery
|December 2, 2006
PubMed
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This study found that stapled aortic anastomoses in pigs were six times less likely to leak than sutured ones, significantly reducing procedure time. Further randomized trials are needed to confirm these findings for clinical use.

Area of Science:

  • Vascular surgery
  • Surgical device innovation
  • Animal models in research

Background:

  • Aortic anastomosis is a critical step in cardiovascular surgery.
  • Minimizing aortic cross-clamping time and reducing anastomotic leakage are key surgical goals.
  • Current suturing techniques can be time-consuming and prone to complications.

Purpose of the Study:

  • To evaluate the efficacy of a novel stapling device for aortic anastomosis.
  • To compare the performance of stapled versus sutured anastomoses in a porcine model.
  • To assess the impact of the stapling device on procedure time and anastomotic integrity.

Main Methods:

  • 12 mm Gore-Tex grafts were used for end-to-end aortic anastomosis in 12 pigs.
  • Anastomoses were created using either a stapling device or traditional 4/0 Prolene sutures.

Related Experiment Videos

  • Grafts and anastomoses were histologically examined at 1 week, 1 month, and 3 months post-operation.
  • Leakage was quantified using a dedicated circulation model.

    • Main Results:

    • Stapled anastomoses were significantly faster, taking 1.0 ± 0.25 minutes compared to 8.5 ± 1.5 minutes for sutured anastomoses.
    • Histological examination revealed no significant differences in tissue healing between the two methods.
    • The stapled anastomosis demonstrated a six-fold reduction in the rate of leakage compared to the sutured anastomosis.

    Conclusions:

    • Stapled aortic anastomoses offer a potential method to reduce cross-clamping time and decrease anastomotic leakage.
    • This technique may be particularly advantageous for laparoscopic aortic procedures.
    • Further randomized controlled trials are warranted to validate the clinical efficacy of the stapling device.