Browsing by Author "Erden, Tunay"
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Item Can the arterial clamp method be used safely where a tourniquet cannot be used?(CLINICS CARDIVE PUBL PTY LTD, 2021-01-01) Erdogan, Ozgur; Gurkan, Volkan; Sonmez, Cavide; Erden, Tunay; Atasoy, Sezen; Yildiz, Fatih; Inan, Bekir; Adilli, AdileBackground: Clamp application is safe and widely used in the visceral organs. This raises the question: why not use clamping in orthopaedic, oncological, fracture and revision surgeries of areas where tourniquets are not suitable. This experimental animal study aimed to compare tourniquet and arterial clamp applications with regard to their histological effects and inflammatory responses on a molecular level, on the artery, vein, nerve and muscle tissue. Methods: Twenty-one rabbits were divided into three groups (group I: proximal femoral artery clampItem Clinical outcomes of single-bundle versus double-bundle ACL reconstruction in adolescent elite athletes: A retrospective comparative study(TURKISH ASSOC ORTHOPAEDICS TRAUMATOLOGY, 2022-01-01) Toker, Berkin; Erden, Tunay; Dikmen, Goksel; Ozden, Vahit Emre; Firatli, Goktug; Taser, OmerObjective: The aim of the study was to evaluate the single bundle (SB) and double bundle (DB) anterior cruciate ligament (ACL) reconstruction in terms of graft survival, complications, and patient reported functional outcomes in adolescent athletes. Methods: In this retrospective study, 89 elite adolescent athletes who underwent either SB or DB ACL reconstruction were included. All patients were then divided into two groups: group 1 including 51 patients with SB ACL reconstruction (31 male, 20 femaleItem The effect of onlay cortical fibula strut grafts on biomechanical features of Vancouver type B1 periprosthetic femoral fractures(TURKISH ASSOC ORTHOPAEDICS TRAUMATOLOGY, 2022-01-01) Aliyev, Orkhan; Erden, Tunay; Sariyilmaz, Kerim; Bozdag, Ergun; Sunbuloglu, Emin; Tuncay, Ibrahim; Yildiz, FatihObjective: This study aimed to investigate biomechanically the effects of onlay fibula grafts on Vancouver Type B1 Periprosthetic Femoral Fractures (PPFs). Methods: Vancouver Type B1 PFF models were created in 25 fourth-generation synthetic femurs and fixed with locking plates using bicortical, unicortical screws, and cables. While no graft was used in group 1, onlay fibula grafts were placed anteriorly in group 2 and medially in group 3. In group 4, the cortical strut allograft was placed on the medial femoral cortex, and a locking compression plate (LCP) was applied to the lateral femoral cortex. In group 5, the strut allograft was placed over the anterior cortex of the femur and fixed with the same technique as in group 4. All models were then subjected to rotational and axial cyclical stiffness tests and load to failure to measure and compare the mechanical strengths of the constructs. Results: The mean stiffness values of group 4 with medial allograft, before and after cyclical loading, were higher than all other groups, under both rotational and axial forces. The mean stiffness values of fibula autografts (groups 2 and 3) were similar to that of anterior allografts (group 5) in each test except that the mean initial axial stiffness of group 5 was higher than group 2. Failure loads were also not different between the groups. Conclusion: Although the rigidity of Vancouver type B1 periprosthetic femur fractures is highest if allografts are placed medially, fibula autografts can also provide similar fixation strengths to allografts if locking plates with unicortical and bicortical screws and cables are used.