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Outcomes after Bone-Ligament-Bone Intercarpal Ligament Reconstruction

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Background: Numerous surgical reconstructive techniques have been described for chronic scapholunate and lunotriquetral interosseous ligament instability. Methods: The authors retrospectively reviewed 16 consecutive patients who underwent bone-ligament-bone reconstruction for scapholunate… Click to show full abstract

Background: Numerous surgical reconstructive techniques have been described for chronic scapholunate and lunotriquetral interosseous ligament instability. Methods: The authors retrospectively reviewed 16 consecutive patients who underwent bone-ligament-bone reconstruction for scapholunate or lunotriquetral intraosseous ligament predynamic and dynamic instability at a single tertiary care institution from 2013 to 2019. Clinical and radiographic outcomes, and complications, were recorded. Results: Eleven patients had bone-ligament-bone reconstruction for scapholunate ligament injuries and five for lunotriquetral instability. Fourteen patients (87.5 percent) underwent diagnostic arthroscopy before bone-ligament-bone reconstruction, with nine of 14 having grade 3 and four of 14 having grade 4 injury. Capitohamate bone-ligament-bone grafts were used in nine patients (56 percent) and the graft was taken from Lister tubercle in seven (44 percent). The average age at surgery was 37 years. The average follow-up was 60.6 weeks. There were no significant differences between preoperative and postoperative radiographic parameters. Median postoperative wrist flexion was 45 degrees, and mean postoperative wrist extension was 53 degrees, which were significantly less than contralateral flexion (85 degrees; p < 0.0001) and extension (78 degrees; p < 0.0001). Thirty-eight percent of patients complained of persistent pain at final follow-up, and two patients (13 percent) underwent salvage procedures, both at approximately 6.5 months after the index reconstruction. Conclusion: Short-term outcomes of bone-ligament-bone reconstruction for early-stage scapholunate and lunotriquetral ligament injuries reveal many patients with residual postoperative wrist pain and disability, and almost uniform limitations in flexion-extension motion. CLINICAL QUESTION/LEVEL OF EVIDENCE: Therapeutic, IV.

Keywords: ligament bone; ligament; bone; bone reconstruction; bone ligament

Journal Title: Plastic and Reconstructive Surgery
Year Published: 2022

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