Abstract

Goal of this study was the assessment of long-term outcome of arthroscopically assisted repair of Palmer 1B/Atzei 1 triangular fibrocartilage complex tears and the comparison with short- and mid-term results. The study included nineteen patients (mean 49.2years of age) with a mean follow-up time of 13.6years (13.1-14.3years). Examination parameters included disabilities of arm, shoulder, and hand (DASH) questionnaire, modified Mayo Wrist Score (MMWS), Krimmer Score, determination of range of motion in comparison to the contralateral extremity. Grip and pinch grip strength measurement and pain level assessment was performed, as well. The mean MMWS after at least 13.1years was 95.8 (85-100, SD 5.6). Mean DASH Score was 10.2 (0-55.8, SD 13.6). Mean Krimmer Score was 97.2 (85-100, SD 4.8). Grip strength reached 101% of the contralateral unaffected hand. Range of motion did not differ significantly in comparison to the healthy contralateral extremity. None of the patients suffered from major complications. Fourteen of nineteen patients regarded pain level reduction as excellent. Five patients reported a relevant pain level reduction. Sixteen of nineteen patients regarded functional outcome as excellent, the other three patients reported on a pleasing improvement of the functional outcome. Arthroscopically assisted repair of Palmer 1B/Atzei 1 triangular fibrocartilage complex tears may be an efficacious and safe surgical technique for ulnar-sided TFCC tears in the long term.

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