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  • Title: A new microsurgical research model using Thiel-embalmed arteries and comparison of two suture techniques.
    Author: Odobescu A, Moubayed SP, Harris PG, Bou-Merhi J, Daniels E, Danino MA.
    Journal: J Plast Reconstr Aesthet Surg; 2014 Mar; 67(3):389-95. PubMed ID: 24507964.
    Abstract:
    PURPOSE: To assess the utility of the Thiel arterial model in microsurgical research, we compared interrupted horizontal mattress (HM) sutures to simple interrupted (SI) sutures in human vessels. METHODS: A microsurgical set-up using an operating microscope and Thiel-embalmed arteries was used to practice ten SI and HM anastomoses. Vessel patency, leak and stricture were evaluated using angiography, and vessel wall architecture was evaluated using light microscopy and scanning electron microscopy (SEM). The technique speed was also assessed. RESULTS: We have successfully evaluated all outcomes. All anastomoses were patent. The stricture rate was higher with HM than with SI (60% vs. 35% surface area reduction). Three minor leaks occurred with HM sutures versus one with SI sutures. Edges were evenly everted without any intimal flaps with HM compared to SI. The anastomoses were performed faster using HM than SI sutures (7:58 min vs. 12:41 min, respectively). CONCLUSION: This is the first study to evaluate the feasibility of a Thiel-embalmed artery model for research purposes. The HM microvascular suture is a promising technique that requires further in vivo validation.
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