A clinical example of the features’ confirmation of xenopericardium biointegration in Achilles tendon surgery 

Stanislav V. Sivakon, Doctor of medical sciences, associate professor, head of the sub-department of traumatology, orthopedics and military extreme medicine, Medical Institute, Penza State University (40 Krasnaya street, Penza, Russia), E-mail: sivakon@mail.ru
Sergey V. Sretenskiy, Senior lecturer of the sub-department of traumatology, orthopedics and military extreme medicine, Medical Institute, Penza State University (40 Krasnaya street, Penza, Russia), E-mail: sretenskiy141084@mail.ru
Dmitry A. Kosmyninin, Senior lecturer of the sub-department of traumatology, orthopedics and military extreme medicine, Medical Institute, Penza State University (40 Krasnaya street, Penza, Russia), E-mail: kosmynin86@mail.ru
Olesya D. Derevyanchuk, Student, Medical Institute, Penza State University (40 Krasnaya street, Penza, Russia), E-mail: olesyader2000@gmail.com 

The issue of surgical tactics for treating subcutaneous degenerative ruptures of the distal tendon of the gastrocnemius muscle is the disintegration of the tendon’s end, disruption of its sliding surface, resulting in the formation of adhesions with the synovial membrane, which significantly worsens long-term functional results. In experiments on animals previously conducted by the authors, results were obtained stating that the surfaces of xenopericardial plates are characterized by different properties. For villous - the ability to biointegrate, for smooth - intactness, without the formation of scars and adhesions. The article describes a clinical example of this phenomenon. Patient D., age 53 years, with a subcutaneous degenerative rupture of the Achilles tendon underwent Achilles tendon suture surgery with restoration of the sliding surface with a xenopericardial plate. In the postoperative period, 4 weeks after surgery, due to the patient’s violation of the load regime, a rupture of the suture area occurred. After repeated surgical intervention, it was established that the villous surface of the xenopericardial plate, facing the tendon, effectively underwent the process of biointegration, while the smooth surface, located on the side of the synovial membrane, retained its sliding surface. This clinical example demonstrates the advantage of original methods developed by a team of authors of the Department of Traumatology, Orthopedics and Military Extreme Medicine of PSU over existing traditional types of treatment. 

tendon plasty, xenopericardium, biointegration 

Sivakon S.V., Sretenskiy S.V., Kosmyninin D.A., Derevyanchuk O.D. A clinical example of the features’ confirmation of xenopericardium biointegration in Achilles tendon surgery. Izvestiya vysshikh uchebnykh zavedeniy. Povolzhskiy region. Meditsinskie nauki = University proceedings. Volga region. Medical sciences. 2024;(3):5–13. (In Russ.). doi: 10.21685/2072-3032-2024-3-1