MRI recovery of the Achilles tendon after Percutaneous tenot
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An observational study was conducted to evaluate the recovery of older children with relapsed congenital clubfoot who underwent an Achilles tenotomy for the second time as part of the Ponseti treatment.

13 patients with congenital clubfoot (19 feet) had their Achilles tendons severed, and MRIs of the severed tendons were taken 1, 3, and 6 weeks later. The participants were divided into two groups: older children who had their first tenotomy (group A: mean, 4.91.8, range, 2.8–7 years old) and older children who had their second tenotomy (group B: mean, 4.91.5, range, 3–6.8 years old). The region of high signal strength between the severed tendons on MRI scans was computed and compared to clinical evaluation using the Python programming language.

Results:
--3 weeks after Achilles tenotomy, groups A and B had clinically intact tendons in 9 out of 11 and 2 out of 8 feet, respectively, according to both clinical and MRI assessment.

--From week 1 to week 3 post-tenotomy, computational analysis showed that the mean high signal intensity area of group A decreased by 88.5±15.2%, which was significantly different than the percent reduction of high signal intensity area of group B (69.0±24.9%).

Finally, on the 3rd week after the procedure, children who had their Achilles tenotomy for the second time had a slower tendon recovery. The position of the tenotomy, which is further away from the musculotendinous junction, where extrinsic healing processes take place, may be one explanation for slower healing times.

Source: https://josr-online.biomedcentral.com/articles/10.1186/s13018-021-02407-4
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