• Hongjun Liu, Yujun Zhang, Renlong Li, Jiaxiang Gu, and Jihui Ju.
• Department of Orthopaedics, Clinical Medical college, Yangzhou University, Northern Jiangsu People's Hospital, Yangzhou, 225009, Jiangsu, China.
• Arch Orthop Trauma Surg. 2023 Jan 1; 143 (1): 539544539-544.

IntroductionTo introduce the surgical approach and clinical effect of transferring the partial slips of the flexor digitorum superficialis (FDS) tendon to reconstruct the insertion of the central slip of the extensor tendon (CSET) through an established bone tunnel (BT).Materials And MethodsFrom April 2019 to March 2021, nine patients (six males and three females) with the CSET insertion rupture or defect were admitted to the institution and the CSET insertion was reconstructed with partial tendon slips on both sides of the FDS. The active range of motion of the interphalangeal joint of the affected finger was measured by a goniometer, the degree of pain was evaluated by visual analogue scale (VAS), and the grip strength of the affected limb was measured by an electronic hand dynamometer.ResultsThe average postoperative follow-up was 12 months. No complications occurred. At the last follow-up, six of the patients were very satisfied and three were satisfied with their recovery.ConclusionThe reconstruction of the CSET insertion by transferring the partial tendon slips of the FDS seem to be safe and feasible with minimal invasion to the donor tendon.Type Of Study/Level Of EvidenceTherapeutic IV.© 2022. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.

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