Ultrasonographic Evaluation of the Early Healing Process After Achilles Tendon Repair

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Abstract

Background: Little is known about early healing of repaired Achilles tendons on imaging, particularly up to 6 months postoperatively, when patients generally return to participation in sports. Purpose: To examine changes in repaired Achilles tendon healing with ultrasonography for up to 12 months after surgery. Study Design: Case series; Level of evidence, 4. Methods: Ultrasonographic images of 26 ruptured Achilles tendons were analyzed at 1, 2, 3, 4, 6, and 12 months after primary repair. The cross-sectional areas (CSAs) and intratendinous morphology of the repaired tendons were evaluated using the authors’ own grading system (tendon repair scores), which assessed the anechoic tendon defect area, intratendinous hyperechoic area, continuity of intratendinous fibrillar appearance, and paratendinous edema. Results: The mean ratios (%) of the CSA for the affected versus unaffected side of repaired Achilles tendons gradually increased postoperatively, reached a maximum (632%) at 6 months, and then decreased at 12 months. The mean tendon repair scores increased over time and reached a plateau at 6 months. Conclusion: Ultrasonography is useful to observe the intratendinous morphology of repaired Achilles tendons and to provide useful information for patients who wish to return to sports. Clinical parameters such as strength, functional performance, and quality of healed repaired tendons should also be assessed before allowing patients to return to sports.

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APA

Hiramatsu, K., Tsujii, A., Nakamura, N., & Mitsuoka, T. (2018). Ultrasonographic Evaluation of the Early Healing Process After Achilles Tendon Repair. Orthopaedic Journal of Sports Medicine, 6(8). https://doi.org/10.1177/2325967118789883

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