Lateral retinaculum plasty instead of lateral retinacular release with concomitant medial patellofemoral ligament reconstruction can achieve better results for patellar dislocation

Purpose To elucidate the outcomes of lateral retinaculum plasty versus lateral retinacular release with concomitant medial patellofemoral ligament (MPFL) reconstruction. Methods In a prospective study, 59 patients treated at our institution from 2012 to 2014 were included. The 59 patients were rando...

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Bibliographic Details
Published in:Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA sports traumatology, arthroscopy : official journal of the ESSKA, 2018-10, Vol.26 (10), p.2899-2905
Main Authors: Liu, Chang, Duan, Guman, Niu, Yingzhen, Cao, Pengkai, Fu, Kunpeng, Niu, Jinghui, Wang, Fei
Format: Article
Language:English
Subjects:
Adolescent
Complications
Computed tomography
Dislocation
Dislocations
Female
Humans
Knee
Knee Joint - surgery
Male
Medicine
Medicine & Public Health
Orthopedics
Patella
Patellar Dislocation - surgery
Patellar Ligament - surgery
Patients
Postoperative Period
Prospective Studies
Recurrence
Statistical analysis
Surgery
Tomography, X-Ray Computed
Young Adult
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Summary:Purpose To elucidate the outcomes of lateral retinaculum plasty versus lateral retinacular release with concomitant medial patellofemoral ligament (MPFL) reconstruction. Methods In a prospective study, 59 patients treated at our institution from 2012 to 2014 were included. The 59 patients were randomly divided into two groups. Group I included 27 patients who underwent lateral retinacular release and MPFL reconstruction. Group II included 32 patients who underwent lateral retinaculum plasty and MPFL reconstruction. All patients were followed up for at least 2 years and all assessments were performed both pre- and post-operation. Clinical evaluation consisted of the Kujala score, patellar medial glide test, and patellar tilt angle, patellar lateral shift, and congruence angle, measured on CT scan. Results Significant improvement was seen after surgery in both groups. The group of lateral retinaculum plasty achieved better results than the group of lateral retinacular release. No statistically significant differences were found in lateral patellar shift (ns) or congruence angle (ns) between the groups. There were significant differences in Kujala score ( P  
ISSN:0942-2056
1433-7347
DOI:10.1007/s00167-017-4798-x