Do adipofascial flaps affect the mechanical properties of a repaired tendon? A biomechanical rat model study
| Autor: | Coşar Uzun, Nurten Erdal, Mehmet Yücens, M. Koc, N. Aydemir, K. Guvenc, Ahmet Fahir Demirkan, Ali Çağdaş Yörükoğlu |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2019 |
| Předmět: |
surgical flaps
Wistar rat 030230 surgery Surgical Flaps adipofascial flap stress 0302 clinical medicine blood flow rat animal Orthopedics and Sports Medicine Fascia Tendon healing 030222 orthopedics Achilles tendon Rehabilitation article adipose tissue Tendon medicine.anatomical_structure rigidity Adipose Tissue Models Animal medicine.medical_specialty injury achilles tendon animal experiment Rat model Biomechanical analysis Achilles Tendon 03 medical and health sciences Gastrocnemius muscle Primary repair vascularization Tendon Injuries Tensile Strength medicine Animals controlled study gastrocnemius muscle Rats Wistar nonhuman tendon injury business.industry animal model rat model Achilles Tendon/injuries/*physiology/*surgery Adipose Tissue/*transplantation Fascia/*transplantation Surgical Flaps/blood supply Tendon Injuries/surgery Tensile Strength/*physiology Surgery body regions Breaking force Fascial flap physiology Adipofascial flaps elasticity business transplantation |
| Popis: | The aim of this study was to evaluate the effect of vascularized and non-vascularized fascial flaps on tendon healing, specifically the maximum strain, maximum stress, elasticity and resistance of the repaired tendon. Rats were randomly divided into 3 groups: Group 1 – primary repair; Group 2 – vascularized pedicled fascial graft; Group 3 – non-vascularized free fascial graft. The rats were euthanized after 2 weeks and 40 mm-long samples were taken from the Achilles tendon and gastrocnemius muscle. To evaluate the mechanical properties of the tendons, maximum load, maximum deformation, energy stored until yield point and stiffness on the load-deformation curve were measured. Based on this mechanical testing, the best group in terms of tissue strength and quality was the primary repair group. When the samples were examined individually, the two samples with the highest breaking force after the control group were in the pedicled graft group. The worst results overall were in the free graft group. We believe that if the blood flow is preserved for the fascial flap in the pedicled graft group, the tendon's breaking force would be higher. © 2019 SFCM |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|