Osteotomia alta da tíbia com cunha de abertura medial: relevância biomecânica da cortical oposta

Freitas, Ricardo Miguel Costa de; Rosa, Rodrigo César; Paccola, Cleber Antônio Jansen; Shimano, Antonio Carlos; Kfuri, Maurício

doi:10.1590/s1413-78522010000400010

Cited by 10 publications

(3 citation statements)

References 14 publications

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“…AB_IMC angle blade plate with intact medial cortex; AB_FMC angle blade plate with fractured medial cortex; AB_FMC_S angle blade plate with fractured medial cortex associated with a medial cancellous screw; LP_IMC locking plate with intact medial cortex; LP_FMC locking plate with fractured medial cortex; LP_FMC_S locking plate with fractured medial cortex associated with a medial cancellous screw. SEM standard error of the mean at the opposite cortex in open-wedge tibial osteotomies, reporting a significant enhance of bone-implant stiffness [5]. In the present study, the insertion of a screw on the opposite cortex restored the stiffness of bone-plate constructs to values close to those obtained for models with intact medial cortex.…”

Section: Discussionsupporting

confidence: 76%

“…Those authors reported satisfactory clinical outcomes, even using standard DCP ® plates without angular stability. Lara et al studied in vitro the biomechanical impact of adding a screw at the opposite cortex in open‐wedge tibial osteotomies, reporting a significant enhance of bone–implant stiffness [5]. In the present study, the insertion of a screw on the opposite cortex restored the stiffness of bone‐plate constructs to values close to those obtained for models with intact medial cortex.…”

Section: Discussionsupporting

confidence: 75%

See 1 more Smart Citation

Varization open-wedge osteotomy of the distal femur: comparison between locking plate and angle blade plate constructs

Batista

Volpon

Shimano

et al. 2014

Knee Surg Sports Traumatol Arthrosc

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Angle blade plate constructs reached higher stiffness mean values than locking plates for both axial compression and torsion loads. The addition of a buttressing screw on the opposite cortex increased the stability of all bone-implant constructs to levels similar to those showed with an intact medial cortex. The present study findings support the clinical use of angle blade plates, alone or associated with a medial buttressing screw, as an alternative fixation method for supracondylar open-wedge osteotomies of the femur.

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Section: Discussionsupporting

confidence: 76%

Section: Discussionsupporting

confidence: 75%

Varization open-wedge osteotomy of the distal femur: comparison between locking plate and angle blade plate constructs

Batista

Volpon

Shimano

et al. 2014

Knee Surg Sports Traumatol Arthrosc

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show abstract

“…A recent biomechanical study conducted at our hospital showed that the addition of this screw, even in the presence of a gap in the lateral cortex, makes the resistance to the fixation gap comparable to that of an intact lateral cortex. 20 …”

Section: Discussionmentioning

confidence: 99%

Conventional plate and screws in medial opening-wedge high tibial osteotomy: are they sufficiently stable? A retrospective study

Salim

Fogagnolo

Perina

et al. 2017

Revista Brasileira de Ortopedia (English Edition)

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ObjectiveOpening-wedge osteotomy of the proximal tibia is a widely performed procedure for treating medial gonarthrosis in active patients and in the presence of varus malalignment of the lower limb. The fixation method is controversial, and the use of conventional implants has been abandoned in favor of implants with more modern locking screws. The aim of the present clinical study was to assess the maintenance of the correction achieved in cases wherein fixation was performed using conventional implants.MethodsThis retrospective study included 51 patients who underwent opening-wedge high tibial osteotomy wherein fixation was performed using conventional implants (4.5-mm DCP plate and non-locking screws). Radiological findings regarding patellar height, tibial slope, and varus correction postoperatively and after consolidation were analyzed to assess the maintenance of the correction achieved by osteotomy.ResultsThe mean loss of correction angle, calculated by the difference between the correction angle in the immediate postoperative period and that after consolidation, was 0.92° ± 0.9°. In addition, changes in patellar height determined by the Blackburne–Peel method and in the sagittal slope of the tibial plateau were not significant or clinically relevant.ConclusionsThe use of conventional plates and screws is viable in the fixation of opening-wedge high tibial osteotomy because they provide enough stability to maintain the achieved correction until consolidation, without significant changes.

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The benefits of a percutaneous supplemental screw to reinforce the hinge of a medial open wedge tibial osteotomy

Lobenhoffer²,

Yang

2022

Arch Orthop Trauma Surg

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Osteotomia alta da tíbia com cunha de abertura medial: relevância biomecânica da cortical oposta

Cited by 10 publications

References 14 publications

Varization open-wedge osteotomy of the distal femur: comparison between locking plate and angle blade plate constructs

Varization open-wedge osteotomy of the distal femur: comparison between locking plate and angle blade plate constructs

Conventional plate and screws in medial opening-wedge high tibial osteotomy: are they sufficiently stable? A retrospective study

The benefits of a percutaneous supplemental screw to reinforce the hinge of a medial open wedge tibial osteotomy

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