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Three-dimensional displacement after a medializing calcaneal osteotomy in relation to the osteotomy angle and hindfoot alignment.

Publication ,  Journal Article
Peiffer, M; Belvedere, C; Clockaerts, S; Leenders, T; Leardini, A; Audenaert, E; Victor, J; Burssens, A; WBCT ISG,
Published in: Foot Ankle Surg
January 2020

BACKGROUND: A medializing calcaneal osteotomy is frequently performed to correct adult-acquired flatfoot deformities, but there is lack of data on the associated three-dimensional variables defining the final correction. The aim of this study was to assess the correlation between the pre-operative hindfoot valgus deformity and calcaneal osteotomy angles and the post-operative calcaneal displacement. METHODS: Weight-bearing CT scans obtained pre- and post-operatively were retrospectively analyzed for sixteen patients. Corresponding three-dimensional bone models were used to measure valgus deformity pre- and post-operatively, inclination of the osteotomy and displacement of the calcaneus. Linear regression was conducted to assess the relationship between these measurements. RESULTS: On average, the hindfoot valgus changed from 13.1° (±4.6) pre-operatively to 5.7° (±4.3) post-operatively. A mean inferior displacement of 3.2mm (±1.3) was observed along the osteotomy with a mean inclination of 54.6° (±5.6), 80.5° (±10.7), -13.7° (±15.7) in the axial, sagittal and coronal planes, respectively. A statistically significant positive relationship (p<.05, R2=0.6) was found between the pre-operative valgus, the axial osteotomy inclination, and the inferior displacement. CONCLUSIONS: This study shows that the degree of pre-operative hindfoot valgus and the axial osteotomy angle are predictive factors for the amount of post-operative inferior displacement of the calcaneus. These findings demonstrate the added value of a computer-based pre-operative planning in clinical practice. Level of evidence II Prospective comparative study.

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Published In

Foot Ankle Surg

DOI

EISSN

1460-9584

Publication Date

January 2020

Volume

26

Issue

1

Start / End Page

78 / 84

Location

France

Related Subject Headings

  • Young Adult
  • Weight-Bearing
  • Tomography, X-Ray Computed
  • Retrospective Studies
  • Prospective Studies
  • Osteotomy
  • Orthopedics
  • Middle Aged
  • Male
  • Imaging, Three-Dimensional
 

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ICMJE
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Peiffer, M., Belvedere, C., Clockaerts, S., Leenders, T., Leardini, A., Audenaert, E., … WBCT ISG, . (2020). Three-dimensional displacement after a medializing calcaneal osteotomy in relation to the osteotomy angle and hindfoot alignment. Foot Ankle Surg, 26(1), 78–84. https://doi.org/10.1016/j.fas.2018.11.015
Peiffer, M., C. Belvedere, S. Clockaerts, T. Leenders, A. Leardini, E. Audenaert, J. Victor, A. Burssens, and A. WBCT ISG. “Three-dimensional displacement after a medializing calcaneal osteotomy in relation to the osteotomy angle and hindfoot alignment.Foot Ankle Surg 26, no. 1 (January 2020): 78–84. https://doi.org/10.1016/j.fas.2018.11.015.
Peiffer M, Belvedere C, Clockaerts S, Leenders T, Leardini A, Audenaert E, et al. Three-dimensional displacement after a medializing calcaneal osteotomy in relation to the osteotomy angle and hindfoot alignment. Foot Ankle Surg. 2020 Jan;26(1):78–84.
Peiffer, M., et al. “Three-dimensional displacement after a medializing calcaneal osteotomy in relation to the osteotomy angle and hindfoot alignment.Foot Ankle Surg, vol. 26, no. 1, Jan. 2020, pp. 78–84. Pubmed, doi:10.1016/j.fas.2018.11.015.
Peiffer M, Belvedere C, Clockaerts S, Leenders T, Leardini A, Audenaert E, Victor J, Burssens A, WBCT ISG. Three-dimensional displacement after a medializing calcaneal osteotomy in relation to the osteotomy angle and hindfoot alignment. Foot Ankle Surg. 2020 Jan;26(1):78–84.
Journal cover image

Published In

Foot Ankle Surg

DOI

EISSN

1460-9584

Publication Date

January 2020

Volume

26

Issue

1

Start / End Page

78 / 84

Location

France

Related Subject Headings

  • Young Adult
  • Weight-Bearing
  • Tomography, X-Ray Computed
  • Retrospective Studies
  • Prospective Studies
  • Osteotomy
  • Orthopedics
  • Middle Aged
  • Male
  • Imaging, Three-Dimensional