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Related Experiment Videos

Progress in cardiovascular anastomoses: will the vascular join replace Carrel's technique?

Piergiorgio Tozzi1, Enzo Borghi, Eric Haesler

  • 1Cardiovascular Surgery Department, University of Lausanne, CHUV, Lausanne, Switzerland. Piergiorgio.Tozzi@hospvd.ch

European Journal of Cardio-Thoracic Surgery : Official Journal of the European Association for Cardio-Thoracic Surgery
|July 25, 2006
PubMed
Summary

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The Vascular Join (VJ) device offers a faster, more physiological method for vascular repair compared to traditional sutures. This sutureless anastomosis technique demonstrated superior long-term efficacy in sheep carotid arteries.

Area of Science:

  • Vascular Surgery
  • Biomedical Engineering
  • Surgical Devices

Background:

  • Vascular reconstructions face challenges due to aging populations and minimally invasive techniques.
  • Sutureless anastomosis devices aim to simplify cardiovascular surgery.
  • The Vascular Join (VJ) device is a novel approach for vascular repair.

Purpose of the Study:

  • To assess the reliability and long-term efficacy of the VJ device.
  • To compare VJ device performance against traditional suture techniques.
  • To evaluate VJ device in end-to-end carotid artery anastomoses in an animal model.

Main Methods:

  • The VJ device uses two metallic crowns to join vessel edges without exposed foreign material.
  • End-to-end carotid artery anastomoses were created in adult sheep using VJ and running suture.

Related Experiment Videos

  • Animals were monitored with Duplex-scan for 12 months, followed by histopathological analysis.

    • Main Results:

    • VJ anastomoses were completed significantly faster ( < 2 min) than suture techniques (6 ± 3 min).
    • VJ showed lower rates of occlusion and stenosis compared to controls.
    • Histology revealed minimal myointimal hyperplasia (50 ± 10 µm) with VJ versus significant hyperplasia (300 ± 27 µm) with sutures.

    Conclusions:

    • The VJ device facilitates a physiological edge-to-edge vascular repair.
    • VJ device offers superior results compared to traditional suture techniques in sheep carotid arteries.
    • This study provides evidence for the efficacy of sutureless vascular anastomosis devices.