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Scientific article
English

Vascular ultrasound studies for the non-invasive assessment of vascular flow and patency in experimental surgery in the pig

Published inLaboratory animals, vol. 43, no. 4, p. 333-337
Publication date2009
Abstract

Vascular ultrasound is a reliable non-invasive tool used for the routine assessment of vascular flow and patency in human recipients. We describe the use at three different time points (immediately, 1 week and 4 weeks postsurgery) of ultrasound studies and its validation by angiographic studies in 37 swine undergoing carotid graft replacement. We calculated predictive values (>92%), sensitivity (>85%) and specificity (>92%) with high results at all time points. Ultrasound appeared as an accessible non-invasive technique, providing rapid, safe, repeatable and reliable results. It is an excellent alternative to angiography, avoiding risks inherent to invasive methods and therefore contributing to animal welfare.

Keywords
  • Animals
  • Blood Vessel Prosthesis/veterinary
  • Blood Vessel Prosthesis Implantation/veterinary
  • Carotid Arteries/pathology/surgery
  • Female
  • Graft Occlusion, Vascular/ultrasonography/*veterinary
  • Magnetic Resonance Angiography/veterinary
  • Predictive Value of Tests
  • Prospective Studies
  • Regional Blood Flow/*physiology
  • Surgery, Veterinary/*methods
  • Surgical Procedures, Minimally Invasive/*veterinary
  • Swine
  • Ultrasonography, Doppler/*veterinary
  • Vascular Patency/*physiology
Citation (ISO format)
OSORIO-DA CRUZ, S. M. et al. Vascular ultrasound studies for the non-invasive assessment of vascular flow and patency in experimental surgery in the pig. In: Laboratory animals, 2009, vol. 43, n° 4, p. 333–337. doi: 10.1258/la.2009.0080030
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ISSN of the journal0023-6772
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