The study is aimed to propose an arthroscopic repair technique using a pre-tied suture device for peripheral TFCC tear with proximal component involvement.
Through a retrospective review in the medical records of patients who underwent unilateral arthroscopic repair for TFCC Palmer IB lesion between 2017 and 2019, 12 patients were arthroscopically diagnosed as proximal component tear and received more than one year follow-up postoperatively. The arthroscope was introduced from 6R portal to discriminate Atzei class II from III lesions by a “visualization test”, and to supervise the repair procedure using pre-tied FasT-Fix suture device from 3–4 portal. Two poly-ether-ether-ketone (PEEK) blocks were further advanced along the device needle to finally seat outside the ulnar joint capsule, followed by gradually tightening the pre-tied suture loop until the TFCC periphery was securely repositioned and held stably.
Operation time averaged 87 minutes. Four patients were diagnosed to be Atzei class II lesion as full thickness tear of distal component was arthroscopically identified from 6R portal while the other 8 exhibited partial thickness tear and were categorized as class III lesion. Follow-up averaged 15 months with a range of 12 to 24 months. Myao modified wrist score improved from 61.3 preoperatively to 90.4 at the latest visit.
A novel technique for diagnosis and all-arthroscopic repair in TFCC Atzei class II and III lesions using a pre-tied suture device is a feasible and safe option with promising results.

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Received 22 Oct, 2020
Invitations sent on 19 Oct, 2020
On 18 Oct, 2020
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On 17 Oct, 2020
Received 06 Oct, 2020
On 05 Oct, 2020
Invitations sent on 05 Oct, 2020
On 05 Oct, 2020
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Posted 19 Aug, 2020
On 05 Sep, 2020
Received 01 Sep, 2020
Received 24 Aug, 2020
On 21 Aug, 2020
On 20 Aug, 2020
On 20 Aug, 2020
On 19 Aug, 2020
Invitations sent on 19 Aug, 2020
On 18 Aug, 2020
On 18 Aug, 2020
On 17 Aug, 2020
The study is aimed to propose an arthroscopic repair technique using a pre-tied suture device for peripheral TFCC tear with proximal component involvement.
Through a retrospective review in the medical records of patients who underwent unilateral arthroscopic repair for TFCC Palmer IB lesion between 2017 and 2019, 12 patients were arthroscopically diagnosed as proximal component tear and received more than one year follow-up postoperatively. The arthroscope was introduced from 6R portal to discriminate Atzei class II from III lesions by a “visualization test”, and to supervise the repair procedure using pre-tied FasT-Fix suture device from 3–4 portal. Two poly-ether-ether-ketone (PEEK) blocks were further advanced along the device needle to finally seat outside the ulnar joint capsule, followed by gradually tightening the pre-tied suture loop until the TFCC periphery was securely repositioned and held stably.
Operation time averaged 87 minutes. Four patients were diagnosed to be Atzei class II lesion as full thickness tear of distal component was arthroscopically identified from 6R portal while the other 8 exhibited partial thickness tear and were categorized as class III lesion. Follow-up averaged 15 months with a range of 12 to 24 months. Myao modified wrist score improved from 61.3 preoperatively to 90.4 at the latest visit.
A novel technique for diagnosis and all-arthroscopic repair in TFCC Atzei class II and III lesions using a pre-tied suture device is a feasible and safe option with promising results.

Figure 1

Figure 2
This is a list of supplementary files associated with this preprint. Click to download.
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