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18.09.2017 | Shoulder | Ausgabe 10/2019

Knee Surgery, Sports Traumatology, Arthroscopy 10/2019

Anatomic ligament consolidation of the superior acromioclavicular ligament and the coracoclavicular ligament complex after acute arthroscopically assisted double coracoclavicular bundle stabilization

Zeitschrift:
Knee Surgery, Sports Traumatology, Arthroscopy > Ausgabe 10/2019
Autoren:
S. Jobmann, J. Buckup, C. Colcuc, P. P. Roessler, E. Zimmermann, K. F. Schüttler, R. Hoffmann, F. Welsch, T. Stein

Abstract

Purpose

The consolidation of the acromioclavicular (AC) and coracoclavicular (CC) ligament complex after arthroscopically assisted stabilization of acute acromioclavicular joint (ACJ) separation is still under consideration.

Methods

Fifty-five consecutive patients after arthroscopically assisted double-CC-bundle stabilization within 14 days after acute high-grade ACJ separation were studied prospectively. All patients were clinically analysed preoperatively (FU0) and post-operatively (FU1 = 6 months; FU2 = 12 months). The structural MRI assessments were performed at FU0 (injured ACJ) and at FU2 bilateral (radiologic control group) and assessed separately the ligament thickness and length at defined regions for the conoid, trapezoid and the superior AC ligament.

Results

Thirty-seven patients were assessed after 6.5 months and after 16.0 months. The 16-month MRI analysis revealed for all patients continuous ligament healing for the CC-complex and the superior AC ligament with in the average hypertrophic consolidation compared to the control side. Separate conoid and trapezoid strands (double-strand configuration) were detected in 27 of 37 (73%) patients, and a single-strand configuration was detected in 10 of 37 (27%) patients; both configurations showed similar CCD data. The ligament healing was not influenced by the point of surgery, age at surgery and heterotopic ossification. The clinical outcome was increased (FU0–FU2): Rowe, 47.7–97.0 pts.; TAFT, 3.9–10.6 pts.; NAS pain, 8.9–1.4 pts. (all P < 0.05).

Conclusion

The arthroscopically assisted double-CC-bundle stabilization within 14 days after acute high-grade ACJ separation showed 16 months after surgery sufficient consolidations of the AC and double-CC ligament complex in 73%.

Level of evidence

III, Case series.

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