Which Technique Is Better for Treating Patellar Dislocation? A Systematic Review and Meta-analysis

To clarify the discrepancy in surgical options and present evidence to treat patellar dislocation by evaluating which of the techniques yields better improvement in stability and functional recovery for patellar dislocation. The MEDLINE, Embase, Cochrane Central Register of Controlled Trials, Web of...

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Veröffentlicht in:Arthroscopy 2018-11, Vol.34 (11), p.3082-3093.e1
Hauptverfasser: Lee, Dong-Yeong, Park, Young-Jin, Song, Sang-Youn, Hwang, Sun-Chul, Park, Jin-Sung, Kang, Dong-Geun
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container_end_page 3093.e1
container_issue 11
container_start_page 3082
container_title Arthroscopy
container_volume 34
creator Lee, Dong-Yeong
Park, Young-Jin
Song, Sang-Youn
Hwang, Sun-Chul
Park, Jin-Sung
Kang, Dong-Geun
description To clarify the discrepancy in surgical options and present evidence to treat patellar dislocation by evaluating which of the techniques yields better improvement in stability and functional recovery for patellar dislocation. The MEDLINE, Embase, Cochrane Central Register of Controlled Trials, Web of Science, and Scopus electronic databases were searched for relevant articles comparing the outcomes of medial patellofemoral ligament (MPFL) treatment published up until August 2017. Data searching, extraction, analysis, and quality assessment were performed based on The Cochrane Collaboration guidelines. Clinical outcomes were evaluated using various outcome values in various techniques. For results with high heterogeneity, 95% prediction intervals (PIs) were also investigated. Eleven clinical studies were investigated. In patients with primary patellar dislocation, there were no significant differences in all evaluated outcomes between the conservative and surgical treatment groups. For patients with recurrent patellar dislocation, MPFL reconstruction was associated with a favorable Kujala score (mean difference, −8.91; 95% confidence interval, −14.05 to −3.77; I2 = 94%; 95% PI, −9.64 to −8.1) and Lysholm score (mean difference, –13.51; 95% confidence interval, −21.35 to –5.68; I2 = 96%; 95% PI, −14.86 to −12.16) when compared with soft tissue realignment surgery. Although surgical treatment of the MPFL for primary patellar dislocation is not superior to conservative treatment in restoring knee function and clinical outcomes, MPFL reconstruction is associated with more favorable clinical outcomes compared with medial soft tissue realignment surgery in patients with recurrent patellar dislocation. Double-bundle MPFL reconstruction seems to provide more favorable outcomes than single-bundle MPFL reconstruction, but this finding should be interpreted with caution because the evidence levels were low and were from only a few studies. Level III, meta-analysis.
doi_str_mv 10.1016/j.arthro.2018.06.052
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Data searching, extraction, analysis, and quality assessment were performed based on The Cochrane Collaboration guidelines. Clinical outcomes were evaluated using various outcome values in various techniques. For results with high heterogeneity, 95% prediction intervals (PIs) were also investigated. Eleven clinical studies were investigated. In patients with primary patellar dislocation, there were no significant differences in all evaluated outcomes between the conservative and surgical treatment groups. For patients with recurrent patellar dislocation, MPFL reconstruction was associated with a favorable Kujala score (mean difference, −8.91; 95% confidence interval, −14.05 to −3.77; I2 = 94%; 95% PI, −9.64 to −8.1) and Lysholm score (mean difference, –13.51; 95% confidence interval, −21.35 to –5.68; I2 = 96%; 95% PI, −14.86 to −12.16) when compared with soft tissue realignment surgery. 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subjects Conservative Treatment
Humans
Ligaments, Articular - surgery
Orthopedic Procedures - methods
Patellar Dislocation - surgery
Patellar Dislocation - therapy
Patellofemoral Joint - surgery
Recovery of Function
title Which Technique Is Better for Treating Patellar Dislocation? A Systematic Review and Meta-analysis
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