Arthroscopic patellar reinsertion of the MPFL in acute patellar dislocations.

Abstract

PURPOSE:

The objective of this study was to evaluate the mid-term results of a new technique for the arthroscopic repair of MPFL after an acute patellar dislocation (APD).

MATERIALS:

The series included 17 patients (11 men and 6 women) with a first episode of acute patellar dislocation; treated over a period of 6 years. Re-dislocation, subjective symptoms and functional limitations were evaluated at an average follow-up of 2.2 years (1-5.5). The patients were evaluated with the Lysholm and the Kujala scoring systems.

RESULTS:

At follow-up, no re-dislocation was reported. Only one patient referred an episode of patellar instability, without a distinct dislocation. The postoperative median Lysholm score was 90 (72-100). The median Kujala score was 92 (75-100). Fourteen out of 17 patients were able to return to sports at the same level as before.

CONCLUSION:

When the MPFL is avulsed from the patella, the proposed technique has the advantage of restoring tension of the ligament through reattachment at the patellar border with two trans-patellar sutures. The full-arthroscopic approach has the advantage of being less invasive and having a shorter recovery time.

• Authors: P P Mariani, L Liguori, G Cerullo, G Iannella, L Floris
• Journal: Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA (Knee Surg Sports Traumatol Arthrosc) Vol. 19 Issue 4 Pg. 628-33 (Apr 2011) ISSN: 1433-7347 [Electronic] Germany
• PMID: 21063679 (Publication Type: Journal Article)

Topics

• Adolescent
• Adult
• Arthroscopy (methods)
• Cohort Studies
• Female
• Follow-Up Studies
• Humans
• Injury Severity Score
• Joint Instability (prevention & control)
• Male
• Medial Collateral Ligament, Knee (injuries, surgery)
• Minimally Invasive Surgical Procedures (methods)
• Patellar Dislocation (diagnosis, surgery)
• Patellar Ligament (injuries, surgery)
• Patellofemoral Joint (injuries, surgery)
• Range of Motion, Articular (physiology)
• Recovery of Function
• Replantation
• Retrospective Studies
• Risk Assessment
• Treatment Outcome
• Young Adult