Scapholunate ligament 360° procedure a preliminary outcome report

S. Kakar, A. L. Logli, T. Ramazanian, R. G. Gaston, J. R. Fowler

Research output: Contribution to journalArticlepeer-review

Abstract

Aims the purpose was to evaluate early clinical, patient-reported, and radiological outcomes of the scapholunate ligament 360° tenodesis (sL 360) technique for treatment of scapholunate (sL) instability. Methods We studied the results of nine patients (eight males and one female with a mean age of 44.7 years (26 to 55)) who underwent the sL 360 procedure for reducible sL instability between January 2016 and June 2019, and who were identified from retrospective review of electronic medical records. Final follow-up of any kind was a mean of 33.7 months (12.0 to 51.3). Clinical, radiological, and patient-reported outcome data included visual analogue scale (Vas) for pain, Quick disabilities of the arm, shoulder and Hand (QuickdasH), Mayo Wrist score (MWs), and Patient-rated Wrist Examination (PrWE). Means were analyzed using paired t-test. results Before surgery, patients with SL instability were significantly impaired with respect to wrist flexion, extension, and grip strength (mean flexion, 51° (20° to 85°) vs 73° (45° to 90°); mean extension, 46° (15° to 70°) vs 66° (45° to 80°); mean grip strength, 25 kg (20 to 31) vs 50 kg (35 to 68) compared to the unaffected side). The mean SL gap (4.9 mm (2.3 to 7.3) vs 2.1 mm (1.6 to 2.9)) and mean SL angle (71° (59° to 105°) vs 50° (38° to 64°) were also significantly greater in the affected wrist. At final follow-up, there was mean improvement regarding clinical, radiological, and functional outcomes comparing preoperative to final postoperative values for the Vas for pain scale, QuickdasH, MWs, PrWE, and sL gap and sL angle. Conclusion in our small series, the sL 360 procedure for reducible sL instability has favourable early clinical, patient-reported, and radiological outcomes at a mean of 33.7 months (12.0 to 51.3). the suture tape and tendon construct confers robust stability, permitting earlier mobilization without the inherent disadvantages of Kirschner wire stabilization.

Original languageEnglish (US)
Pages (from-to)939-945
Number of pages7
JournalBone and Joint Journal
Volume103 B
Issue number5
DOIs
StatePublished - May 2021

ASJC Scopus subject areas

  • Surgery
  • Orthopedics and Sports Medicine

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