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Cancellous Screw

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Adel Wanas – 1st expert on this subject based on the ideXlab platform

  • The role of Cancellous Screw with tension band fixation in the treatment of displaced olecranon fractures, a comparative study
    European Journal of Orthopaedic Surgery & Traumatology, 2008
    Co-Authors: Adel Refaat Ahmed, Tamer Sweed, Adel Wanas

    Abstract:

    Introduction Fractures of the olecranon are among the most common injuries involving the upper extremity and require operative intervention if displaced. The most commonly used method of fixation for this type of fracture is the AO tension band wiring, although the results of this technique have been generally good, still problems have occurred, including loss of fixation, nonunion, and high re-operation rate for hardware removal. Aim of the study To compare the results of treatment of displaced fractures of the olecranon using AO tension band wiring versus intramedullary Screw with tension band. Materials and methods In a prospective study, 30 patients with transverse or oblique olecranon fractures, were randomly divided into two equal groups, one group treated using AO tension band wiring the other group using an intramedullary Cancellous Screw plus tension band. Results In the Screw plus tension band group, 11 (73.3%) patients had excellent results, four (26.7%) had good results and none had fair or poor results, only one(6.6%) patient required second operation for removal of prominent hardware. In the AO tension band group, six (40%) patients had excellent results, five (33.3%) had good, three (20%) had fair and one (6.7%) patient had poor result, and eight patients (53.3%) required second operation for removal of prominent hardware. Conclusion Using an intramedullary Screw combined with tension band in treatment of displaced transverse and oblique olecranon fractures gives better clinical results and has much less re-operation rate for removal of hardware when compared to AO tension band wire fixation, avoiding costs, work time loss and possible complications from hardware removal.

  • the role of Cancellous Screw with tension band fixation in the treatment of displaced olecranon fractures a comparative study
    European Journal of Orthopaedic Surgery and Traumatology, 2008
    Co-Authors: Adel Refaat Ahmed, Tamer Sweed, Adel Wanas

    Abstract:

    Introduction
    Fractures of the olecranon are among the most common injuries involving the upper extremity and require operative intervention if displaced. The most commonly used method of fixation for this type of fracture is the AO tension band wiring, although the results of this technique have been generally good, still problems have occurred, including loss of fixation, nonunion, and high re-operation rate for hardware removal.

Adel Refaat Ahmed – 2nd expert on this subject based on the ideXlab platform

  • The role of Cancellous Screw with tension band fixation in the treatment of displaced olecranon fractures, a comparative study
    European Journal of Orthopaedic Surgery & Traumatology, 2008
    Co-Authors: Adel Refaat Ahmed, Tamer Sweed, Adel Wanas

    Abstract:

    Introduction Fractures of the olecranon are among the most common injuries involving the upper extremity and require operative intervention if displaced. The most commonly used method of fixation for this type of fracture is the AO tension band wiring, although the results of this technique have been generally good, still problems have occurred, including loss of fixation, nonunion, and high re-operation rate for hardware removal. Aim of the study To compare the results of treatment of displaced fractures of the olecranon using AO tension band wiring versus intramedullary Screw with tension band. Materials and methods In a prospective study, 30 patients with transverse or oblique olecranon fractures, were randomly divided into two equal groups, one group treated using AO tension band wiring the other group using an intramedullary Cancellous Screw plus tension band. Results In the Screw plus tension band group, 11 (73.3%) patients had excellent results, four (26.7%) had good results and none had fair or poor results, only one(6.6%) patient required second operation for removal of prominent hardware. In the AO tension band group, six (40%) patients had excellent results, five (33.3%) had good, three (20%) had fair and one (6.7%) patient had poor result, and eight patients (53.3%) required second operation for removal of prominent hardware. Conclusion Using an intramedullary Screw combined with tension band in treatment of displaced transverse and oblique olecranon fractures gives better clinical results and has much less re-operation rate for removal of hardware when compared to AO tension band wire fixation, avoiding costs, work time loss and possible complications from hardware removal.

  • the role of Cancellous Screw with tension band fixation in the treatment of displaced olecranon fractures a comparative study
    European Journal of Orthopaedic Surgery and Traumatology, 2008
    Co-Authors: Adel Refaat Ahmed, Tamer Sweed, Adel Wanas

    Abstract:

    Introduction
    Fractures of the olecranon are among the most common injuries involving the upper extremity and require operative intervention if displaced. The most commonly used method of fixation for this type of fracture is the AO tension band wiring, although the results of this technique have been generally good, still problems have occurred, including loss of fixation, nonunion, and high re-operation rate for hardware removal.

Denise Eygendaal – 3rd expert on this subject based on the ideXlab platform

  • Clinical results of the re-fixation of a Chevron olecranon osteotomy using an intramedullary Cancellous Screw and suture tension band
    Strategies in Trauma and Limb Reconstruction, 2015
    Co-Authors: Marc L. Wagener, Marleen Dezillie, Yvette Hoendervangers, Denise Eygendaal

    Abstract:

    Exposure of the distal humerus in case of an articular fracture is often performed through a Chevron osteotomy of the olecranon. Several options have been described for re-fixation of the Chevron osteotomy. Pull-out of the hard-wear is often seen as complication. In this study, an evaluation of the re-fixation of the Chevron osteotomy through a Cancellous Screw and suture tension band was performed. The data of 19 patients in whom a Chevron osteotomy was re-fixated with a Cancellous Screw in combination with a suture tension band were used. Evaluation was performed by assessment of the post-operative X-rays and documentation of complications. In all 19 cases, evaluation of the post-operative X-rays showed complete consolidation without dislocation or other complications. Re-fixation of a Chevron osteotomy of the olecranon with a large Cancellous Screw with a suture tension band provides adequate stability to result in proper healing of the osteotomy in primary cases when early post-operative mobilisation is allowed. Complications as pull-out of the hard-wear were not reported.

  • Biomechanical evaluation of three different fixation methods of the Chevron osteotomy of the olecranon: an analysis with Roentgen Stereophotogrammatic Analysis.
    Clinical Biomechanics, 2013
    Co-Authors: Marc L. Wagener, Marco Driesprong, Petra J.c. Heesterbeek, Nicolaas Jacobus Joseph Verdonschot, Denise Eygendaal

    Abstract:

    BACKGROUND: In this study three different methods for fixating the Chevron osteotomy of the olecranon are evaluated. Transcortical fixed Kirschner wires with a tension band, a large Cancellous Screw with a tension band, and a large Cancellous Screw alone are compared using Roentgen Stereophotogrammatic Analysis (RSA). METHODS: The different fixation methods were tested in 17 cadaver specimens by applying increasing repetitive force to the triceps tendon. Forces applied were 200N, 350N, and 500N. Translation and rotation of the osteotomy were recorded using Roentgen Stereophotogrammatic Analysis. FINDINGS: Both the fixations with a Cancellous Screw with tension band and with bi-cortical placed Kirschner wires with a tension band provide enough stability to withstand the forces of normal daily use. INTERPRETATION: Since fixation with a Cancellous Screw with tension band is a fast and easy method and is related to minimal soft tissue damage this method can preferably be used for fixation of a Chevron osteotomy of the olecranon.