The influence of medial patellofemoral ligament reconstruction on clinical results and sports activity level

Ambrožič, Bogdan; Novak, Samo

doi:10.1080/00913847.2016.1148561

Cited by 26 publications

(21 citation statements)

References 54 publications

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“…Nonanatomical and anatomical techniques are well described previously. [4][5][6][7][18][19][20] Nonanatomical surgical techniques alter the premorbid patella mechanics by several principles. Biomechanical studies have demonstrated that the length change pattern of a MPFL reconstruction depends critically on the attachment site.…”

Section: Discussionmentioning

confidence: 99%

“…In this prospective study, 68 patients with patellar instability were evaluated before and after surgical treatment, which was performed from May 2005 to February 2010. They included 22 male and 46 female patients with a mean age of 21 years (16)(17)(18)(19)(20)(21)(22)(23)(24)(25)(26)(27)(28)(29)(30)(31)(32) at first admission. Median duration of preoperative patellar instability was 12 months (range from 6 months to 3 years).…”

Section: Patientsmentioning

confidence: 99%

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Long-Term Clinical Results of Double Bundle Reconstruction of the Medial Patellofemoral Ligament for Patellar Instability

Zhang

2018

J Knee Surg

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Medial patellofemoral ligament (MPFL) reconstruction is a satisfactory technique for patellar instability, and the anatomical double bundle variant is recommended for better clinical results. However, long-term outcomes are still uncharacterized. This study aimed to assess the effectiveness of double bundle reconstruction of the MPFL for patellar instability by means of established scores. A total of 68 patients with chronic patellar instability who underwent surgery from May 2005 to February 2010 were included prospectively. Anatomical double reconstruction of the MPFL with the semitendinosus tendon was conducted. Tegner Activity Scale (TAS), Kujala score, Lysholm knee score, and objective physical examination were assessed during follow-up. Median follow-up time for the patients was 8 (range, 6-10) years. Eight patients were lost to follow-up after 2 years. Preoperative mean TAS was 2.85 ± 0.78, increased to 4.91 ± 0.84 at 6 months and 7.26 ± 0.78 at 2 years postoperatively, and was 7.82 ± 0.89 at last follow-up. At last follow-up, pain free at rest was achieved in all patients; and 8 patients had knee pain in activities of daily living. Mean Kujala score was 57.53 ± 8.59 preoperatively, and increased to 61.22 ± 6.46, 89.51 ± 3.90, and 88.92 ± 3.84 at 6 months, 2 years postoperatively, and at last follow-up, respectively. Lysholm scores were also increased from preoperative values of 43.53 ± 10.20 to 58.22 ± 6.80, 89.37 ± 4.38, and 89.67 ± 4.13 at 6 months, 2 years postoperatively, and at last follow-up, respectively. Range of motion was 121.44 ± 12.69, 129.71 ± 6.39, 130.93 ± 5.67, and 130.78 ± 5.80 at preoperative point, 6 months, 2 years postoperatively, and at last follow-up, respectively. Long-term clinical results of double bundle reconstruction of the MPFL for patellar instability were encouraging.

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Section: Discussionmentioning

confidence: 99%

Section: Patientsmentioning

confidence: 99%

Long-Term Clinical Results of Double Bundle Reconstruction of the Medial Patellofemoral Ligament for Patellar Instability

Zhang

2018

J Knee Surg

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“…A review by Matic et al [21] about the return-to-sport rates in a heterogeneous sample with combined MPFL reconstruction, MPFL repair, and patients with medial retinaculur repair/plication reported a return-to-sport rate to the previous sport level of 90%. Ambrozic et al described returns to sport in 88.5% of patients following MPFL reconstruction; 69.6% of patients returned to the same level [22]. Also, Lippacher et al [23] reported similar return-to-sport rates after isolated MPFL reconstruction.…”

Section: Discussionmentioning

confidence: 99%

Sporting activity is reduced following medial reefing performed for patellar dislocation

Ihle

Maurer

Ziegler

et al. 2019

BMC Musculoskelet Disord

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BackgroundPatellar dislocation is common in young and active patients. The purpose of this study was to determine sporting activity following the medial reefing of patellar dislocation.MethodsOne hundred forty-four patients with objective patellar dislocation were treated between 2004 and 2013. Three groups were analyzed retrospectively with a minimum follow-up of 24 months: (1) primary dislocation that was treated with medial reefing without a recurrent dislocation until the day of follow-up (n = 74), (2) primary dislocation that was initially treated with medial reefing but with a recurrent dislocation until the day of follow-up (n = 44), and (3) medial reefing after failed conservative treatment (n = 26). Sporting activity was assessed using a widely-used sporting activity questionnaire and the Tegner score prior to the injury and at the follow-up (58.7 ± 22.6 months after the injury). Clinical outcomes were assessed using IKDC and Kujala score.ResultsThe Kujala score was 94.7 ± 9.3 for Group 1, 84.1 ± 16.6 for Group 2 and 93.4 ± 9.7 for Group 3. IKDC at the time of follow-up was 97.2 ± 9.3 for Group 1, 86.1 ± 14.6 for Group 2 and 95.1 ± 11.1 for Group 3. 91.9% of Group 1 and 92.3% of Group 3 were active in sports prior to their injuries and at the time of the follow-up. In Group 2, sporting activity reduced from 81.8 to 75.0%. In all groups, a shift from high performance to recreational sports was found.ConclusionsDespite good clinical results, sporting activity was reduced following patellar dislocation treated with medial reefing. Also, a shift from engagement in high- to low-impact sports among the participants was noted.

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“…In addition, multiple studies have reported rates at which athletes return to their preinjury level (53%-69.6%) after MPFL reconstruction, but they do not evaluate objective criteria before releasing patients to return to play. 3,35 In a previous systematic review published in 2010, Fisher et al 24 reported that while MPFL reconstruction showed excellent functional results, there was little known about whether this surgical intervention enabled patients to safely return to sports. As MPFL reconstruction techniques have evolved rapidly in recent years, we aimed to identify whether objective criteria have been identified to allow athletes to safely return to play to minimize reinjuries.…”

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Return-to-Play Guidelines After Medial Patellofemoral Ligament Surgery for Recurrent Patellar Instability: A Systematic Review

Zaman¹,

White

Shi

et al. 2017

Am J Sports Med

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The influence of medial patellofemoral ligament reconstruction on clinical results and sports activity level

Cited by 26 publications

References 54 publications

Long-Term Clinical Results of Double Bundle Reconstruction of the Medial Patellofemoral Ligament for Patellar Instability

Long-Term Clinical Results of Double Bundle Reconstruction of the Medial Patellofemoral Ligament for Patellar Instability

Sporting activity is reduced following medial reefing performed for patellar dislocation

Return-to-Play Guidelines After Medial Patellofemoral Ligament Surgery for Recurrent Patellar Instability: A Systematic Review

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