Importance of shear-wave elastography in prediction of Achilles tendon rupture
International Orthopaedics, 2021•Springer
Purpose It was demonstrated that about 6% of patients with a ruptured Achilles tendon
experience the rupture of contralateral tendon in the future; the aim of this study was to
estimate the risk for rupture of contralateral tendon in patients who underwent surgical
reconstruction of ruptured Achilles tendon by using subjective questionnaires and shear-
wave elastography. Methods Twenty-four patients who underwent surgical repair of the
ruptured Achilles tendon and twelve age-matched healthy controls were examined with …
experience the rupture of contralateral tendon in the future; the aim of this study was to
estimate the risk for rupture of contralateral tendon in patients who underwent surgical
reconstruction of ruptured Achilles tendon by using subjective questionnaires and shear-
wave elastography. Methods Twenty-four patients who underwent surgical repair of the
ruptured Achilles tendon and twelve age-matched healthy controls were examined with …
Purpose
It was demonstrated that about 6% of patients with a ruptured Achilles tendon experience the rupture of contralateral tendon in the future; the aim of this study was to estimate the risk for rupture of contralateral tendon in patients who underwent surgical reconstruction of ruptured Achilles tendon by using subjective questionnaires and shear-wave elastography.
Methods
Twenty-four patients who underwent surgical repair of the ruptured Achilles tendon and twelve age-matched healthy controls were examined with ultrasound SWE. Functional outcomes were assessed with American Orthopedic Foot and Ankle Society (AOFAS) scoring system and subjective rating system which we introduced and validated.
Results
The elasticity of injured tendon was markedly decreased (by 42%) compared to the contralateral tendon of the patient, as expected. Both AOFAS score and our novel subjective assessment scale positively correlate with ultrasound SWE values in ruptured Achilles tendons. The elasticity of contralateral Achilles tendons in patients was 23% lower than among healthy individuals.
Conclusion
Irrespective of the lack of difference in the subjective feeling assessed by AOFAS, the contralateral tendon in the patients with reconstructed Achilles tendon has significantly lower stiffness than healthy individuals. Therefore, contralateral tendons in patients who suffered from rupture are more prone to future ruptures.
Springer
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