Assessment of clinical outcomes after reduction of depressed calcaneal fractures using the push-out molding technique

Choi, Young Jin; Bae, Su-Young

doi:10.1016/j.heliyon.2023.e13199

Heliyon

2023

DOI: 10.1016/j.heliyon.2023.e13199

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Assessment of clinical outcomes after reduction of depressed calcaneal fractures using the push-out molding technique

Young Jin Choi¹,

Su-Young Bae²

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2024

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Cited by 1 publication

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Finite element analysis of restoring length with multiple internal fixations in calcaneal body fracture

Yao,

Ding,

Wang

et al. 2024

Sci Rep

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Calcaneal body fractures are often associated with varying degrees of shortening deformities. Restoring calcaneal length is crucial for the functional prognosis of the foot. Through finite element analysis, this study compared the biomechanical effects of multiple fixation schemes for calcaneal fractures. We delineated and assembled the finite element model of the Sanders type II calcaneal fracture and four internal fixation simulations (namely distraction screw, lag screw, frame locking plate, and T-shaped locking plate). Different axial forces (350, 700, and 1400 N) were then applied to simulate various postures. We then compared the inner and outer shortening distances (D1 and D2, respectively), equivalent von Mises stress, and maximum von Mises stress of the calcaneus. In the individual model, with an increase in the pressure, D1, D2, and the maximum von Mises stress gradually increased. At 1400 N, D1 and D2 for the internal fixation schemes were as follows: distraction screw (0.03 mm, 0.1 mm) < T-shaped locking plate (0.45 mm, 0.26 mm) < frame locking plate (0.50 mm, 0.26 mm) < lag screw (0.66 mm, 0.64 mm). The maximum von Mises stress values for the internal fixation methods were as follows: lag screw (491.0 MPa) < distraction screw (663.1 MPa) < frame locking plate (772.7 MPa) < T-shaped locking plate (931.8 MPa). In patients with calcaneal body fractures, the distraction screw is a potential therapeutic option for resisting calcaneal shortening.

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Finite element analysis of restoring length with multiple internal fixations in calcaneal body fracture

Yao,

Ding,

Wang

et al. 2024

Sci Rep

View full text Add to dashboard Cite

show abstract

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Assessment of clinical outcomes after reduction of depressed calcaneal fractures using the push-out molding technique

Cited by 1 publication

References 18 publications

Finite element analysis of restoring length with multiple internal fixations in calcaneal body fracture

Finite element analysis of restoring length with multiple internal fixations in calcaneal body fracture

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