AI Article Synopsis
- A novel surgical sealant was developed to enhance arterial hemostasis and tested under heparinized conditions.
- Five mongrel dogs underwent anastomosis of their carotid arteries, with the sealant applied to assess its effectiveness.
- The results showed no bleeding after clamp removal, no leakage observed, and successful angiography indicated patent anastomoses without stenosis.
Article Abstract
Purpose: We developed a novel surgical sealant, a viscous diisocyanated prepolymer, applicable to arterial hemostasis. The purpose of this study is to evaluate hemostatic effect of this surgical sealant under heparinized conditions.
Methods: The effectiveness of this sealant was verified by applying it to the end-to-end anastomosis of canine carotid arteries. Five mongrel dogs were used. After a complete heparinization, the carotid arteries were clamped, divided, and end-to-end anastomoses were performed with four simple interrupted sutures. The sealant was coated on the anastomosis. After 5 min the clamps were removed and the hemostatic effect was evaluated. Three dogs were immediately subjected to macroscopic evaluation. Two dogs were subjected to angiography after 3 months and 16 months, respectively.
Results: No bleeding occurred in any of the anastomoses immediately after the removal of the clamp. Macroscopic finding revealed no leakage of the sealant into the lumen. Carotid angiography revealed patent anastomoses without stenosis.
Conclusion: A novel surgical sealant exhibited rapid and potent hemostatic effect on a moisturized tissue under full heparinization.
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| http://dx.doi.org/10.1016/j.ejcts.2007.06.046 | DOI Listing |
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