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Long-term biomechanical outcomes after Achilles tendon ruptures.

Publication ,  Journal Article
Rosso, C; Buckland, DM; Polzer, C; Sadoghi, P; Schuh, R; Weisskopf, L; Vavken, P; Valderrabano, V
Published in: Knee Surg Sports Traumatol Arthrosc
March 2015

PURPOSE: The ideal treatment for Achilles tendon ruptures is still unknown. Biomechanical were correlated to radiological and clinical parameters to study outcomes. METHODS: In this retrospective, assessor-blinded multi-centre cohort study, 52 patients with unilateral Achilles tendon rupture were assessed, each at least 3 years after injury. Patients underwent open surgery, percutaneous surgery or non-surgical treatment of Achilles tendon rupture. Both legs underwent plantar pressure distribution and isokinetic measures. Demographic parameters, maximum calf circumference (MCC) and clinical scores (American Orthopaedic Foot and Ankle Society, Achilles tendon rupture score, Hannover) were also evaluated. Complications were not assessed. RESULTS: Peak plantar flexion torque (PPFT) was significantly weaker on the treated side compared to the untreated leg [80.4 ± 29.7 Nm (mean ± SD) vs. 92.1 ± 27.4 Nm, p < 0.0001]. PPFT and push-off force (POFF) were not different between treatment groups nor was there a leg difference in POFF alone. There was only a weak correlation of clinical scores and PPFT or POFF, respectively. MCC correlated significantly with both PPFT (R (2) = 0.21, p = 0.01) and POFF (R (2) = 0.29, p < 0.0001). POFF appeared to be a predictor of PPFT (R (2) = 0.31, p < 0.0001). Open surgery outperformed non-surgical treatment in terms of centre-of-pressure line (p = 0.007), torque per muscle volume (p = 0.04) and relative POFF per body weight (p = 0.02) and relative in side comparison (p = 0.03). CONCLUSIONS: Clinical scores do not predict biomechanical outcomes. Clinically measured MCC is a good predictor of PPFT and POFF and can easily be used in clinical practice. Relative POFF in side comparison as well as per body weight favours surgical treatment.

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Published In

Knee Surg Sports Traumatol Arthrosc

DOI

EISSN

1433-7347

Publication Date

March 2015

Volume

23

Issue

3

Start / End Page

890 / 898

Location

Germany

Related Subject Headings

  • Young Adult
  • Treatment Outcome
  • Tendon Injuries
  • Rupture
  • Retrospective Studies
  • Orthopedics
  • Middle Aged
  • Male
  • Humans
  • Female
 

Citation

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Chicago
ICMJE
MLA
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Rosso, C., Buckland, D. M., Polzer, C., Sadoghi, P., Schuh, R., Weisskopf, L., … Valderrabano, V. (2015). Long-term biomechanical outcomes after Achilles tendon ruptures. Knee Surg Sports Traumatol Arthrosc, 23(3), 890–898. https://doi.org/10.1007/s00167-013-2726-2
Rosso, Claudio, Daniel M. Buckland, Caroline Polzer, Patrick Sadoghi, Reinhard Schuh, Lukas Weisskopf, Patrick Vavken, and Victor Valderrabano. “Long-term biomechanical outcomes after Achilles tendon ruptures.Knee Surg Sports Traumatol Arthrosc 23, no. 3 (March 2015): 890–98. https://doi.org/10.1007/s00167-013-2726-2.
Rosso C, Buckland DM, Polzer C, Sadoghi P, Schuh R, Weisskopf L, et al. Long-term biomechanical outcomes after Achilles tendon ruptures. Knee Surg Sports Traumatol Arthrosc. 2015 Mar;23(3):890–8.
Rosso, Claudio, et al. “Long-term biomechanical outcomes after Achilles tendon ruptures.Knee Surg Sports Traumatol Arthrosc, vol. 23, no. 3, Mar. 2015, pp. 890–98. Pubmed, doi:10.1007/s00167-013-2726-2.
Rosso C, Buckland DM, Polzer C, Sadoghi P, Schuh R, Weisskopf L, Vavken P, Valderrabano V. Long-term biomechanical outcomes after Achilles tendon ruptures. Knee Surg Sports Traumatol Arthrosc. 2015 Mar;23(3):890–898.
Journal cover image

Published In

Knee Surg Sports Traumatol Arthrosc

DOI

EISSN

1433-7347

Publication Date

March 2015

Volume

23

Issue

3

Start / End Page

890 / 898

Location

Germany

Related Subject Headings

  • Young Adult
  • Treatment Outcome
  • Tendon Injuries
  • Rupture
  • Retrospective Studies
  • Orthopedics
  • Middle Aged
  • Male
  • Humans
  • Female