Abstract
Objective. To develop a new method of the anastomoses formation, that would allow to form bilio-digestive and entero-entero anastomoses both on unchanged and inflamed tissues.
 Маterials and methods. In experimental on 50 laboratory rabbits the single-layer everting cholecysto-entero and entero-entero anastomoses on the Roux-defunctionalized loop of small intestine was created by the method of a high-frequency electric welding. The welding anastomoses were formed both on non-inflamed tissues and in the setting of biliary peritonitis. Patency, hermeticity, strength, macroscopic and microscopic pictures of the obtained joints were evaluated at different postoperative periods.
 Results. All anastomoses, formed by the method of a high-frequency electric welding, were not only patent and hermetic, but also sufficiently strong (40 – 100 mm Hg). The tissues were joined using thermo-adhesion; a coagulation scar was rather narrow, its complete epithelization was accomplished in 3 mo, and a scar maturation completed – in 6 mo.
 Conclusion. The method of a high-frequency electric welding permits to form both, bilio-digestive and inter-intestinal, anastomoses of equal reliability in the settings of non-inflamed and inflamed tissues.
Highlights
The surgical practice of today is still facing the topical problem of using biliodigestive anastomoses to restore the major bile outflow
The level of complications still remains rather high after applying hepatico–jejunoanastomoses, early complications occur in about 20% of patients, long–term complications mainly appear in the form of strictures and make up 10 – 30% [1, 5, 6]
Considerable difficulties arise in the setting of severe inflammation in the operative area, while the presence of purulent cholangitis or bile peritonitis is often a contraindication to reconstructive surgery, because of high threat of impossibility to apply sutural anastomoses [5, 7, 8].As of today, new methods of forming biliodigestive anastomoses are still being searched for the cases of both unchanged and inflamed tissues [9 – 12]
Summary
The surgical practice of today is still facing the topical problem of using biliodigestive anastomoses to restore the major bile outflow. The formation of biliodigestive anastomoses is the main method of treatment in case of lesions of bile–excreting ducts, and in case of impossibility of using the enhttp: //hirurgiya.com.ua. The level of complications still remains rather high after applying hepatico–jejunoanastomoses, early complications (abscess formation, cholangitis, bile outflow from anastomosis) occur in about 20% of patients, long–term complications mainly appear in the form of strictures and make up 10 – 30% [1, 5, 6]. Considerable difficulties arise in the setting of severe inflammation in the operative area, while the presence of purulent cholangitis or bile peritonitis is often a contraindication to reconstructive surgery, because of high threat of impossibility to apply sutural anastomoses [5, 7, 8].As of today, new methods of forming biliodigestive anastomoses are still being searched for the cases of both unchanged and inflamed tissues [9 – 12].
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