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Reconstruction of the medial patellofemoral ligament by means of the anatomical double-bundle technique using metal anchors

To evaluate double-bundle reconstruction of the medial patellofemoral ligament (MPFL) using a graft from the semitendinosus tendon and fixation with metal anchors over the medium term. This was a prospective cross-sectional study. After approval from the research ethics committee, 31 patients with p...

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Published in:Revista brasileira de ortopedia 2016-05, Vol.51 (3), p.290-297
Main Authors: Sadigursky, David, de Melo Laranjeira, Matheus Simões, Nunes, Marzo, Caneiro, Rogério Jamil Fernandes, Colavolpe, Paulo Oliveira
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description To evaluate double-bundle reconstruction of the medial patellofemoral ligament (MPFL) using a graft from the semitendinosus tendon and fixation with metal anchors over the medium term. This was a prospective cross-sectional study. After approval from the research ethics committee, 31 patients with patellofemoral instability who underwent MPFL reconstruction by means of the anatomical double-bundle technique, with fixation using metal anchors, were analyzed between May 2010 and January 2015. To evaluate the effectiveness of the MPFL reconstruction surgery, the Kujala scale and the Tegner–Lysholm score were assessed before the procedure and one year afterwards, along with clinical data such as pain levels, range of motion and J sign. The data were tabulated in the Excel® software and were analyzed using the SPSS Statistics® software, version 21. The statistical analysis was performed using the Wilcoxon T test and the McNemar test. The mean preoperative score from the Kujala test was 45.64±1.24 and the postoperative score was 94.03±0.79 (p
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This was a prospective cross-sectional study. After approval from the research ethics committee, 31 patients with patellofemoral instability who underwent MPFL reconstruction by means of the anatomical double-bundle technique, with fixation using metal anchors, were analyzed between May 2010 and January 2015. To evaluate the effectiveness of the MPFL reconstruction surgery, the Kujala scale and the Tegner–Lysholm score were assessed before the procedure and one year afterwards, along with clinical data such as pain levels, range of motion and J sign. The data were tabulated in the Excel® software and were analyzed using the SPSS Statistics® software, version 21. The statistical analysis was performed using the Wilcoxon T test and the McNemar test. The mean preoperative score from the Kujala test was 45.64±1.24 and the postoperative score was 94.03±0.79 (p<0.001). The preoperative Tegner–Lysholm score was 40.51±1.61 and the postoperative score was 91.64±0.79 (p<0.001). The preoperative range of motion was 125.96±2.11 and the postoperative range was 138.38±1.49 (p<0.05). MPFL reconstruction by means of the anatomical double-bundle technique is easily reproducible, without episodes of recurrence, with satisfactory results regarding restoration of stability and function of the patellofemoral joint. Avaliar, em médio prazo, a reconstrução do ligamento patelofemoral medial (LPFM) com duplo-feixe com enxerto do tendão semitendíneo e fixação com âncoras metálicas. Estudo prospectivo de corte transversal. De maio de 2010 a janeiro de 2015, após aprovação do comitê de ética em pesquisa, foram analisados 31 pacientes com instabilidade patelofemoral, submetidos à cirurgia de reconstrução do ligamento patelofemoral medial (LPFM) com a técnica anatômica do duplo-feixe com fixação com âncoras metálicas. Para avaliar a eficácia da cirurgia de reconstrução do LPFM, foram utilizadas a escala de Kujala e o escore de Tegner-Lysholm, antes do procedimento e após um ano. Foram avaliados os dados clínicos como o arco de movimento, presença do Sinal do J e nível de dor. Os dados foram tabulados no programa Excel® e analisados com o programa SPSS Statistics® versão 21. A análise estatística foi feita com o teste T de Wilcoxon e o teste de McNemar. A média dos resultados obtidos no pré-operatório com o teste de Kujala foi de 45,64±1,24 e no pós-operatório de 94,03±0,79 (p<0,001). O escore do joelho de Tegner-Lysholm alcançado foi de 40,51±1,61 no pré-operatório, para 91,64±0,79 (p<0,001) no pós-operatório. O arco de movimento obteve média de 12,596±2,11 no pré-operatório e 13,838±1,49 no pós-operatório (p<0,05). 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The preoperative range of motion was 125.96±2.11 and the postoperative range was 138.38±1.49 (p<0.05). MPFL reconstruction by means of the anatomical double-bundle technique is easily reproducible, without episodes of recurrence, with satisfactory results regarding restoration of stability and function of the patellofemoral joint. Avaliar, em médio prazo, a reconstrução do ligamento patelofemoral medial (LPFM) com duplo-feixe com enxerto do tendão semitendíneo e fixação com âncoras metálicas. Estudo prospectivo de corte transversal. De maio de 2010 a janeiro de 2015, após aprovação do comitê de ética em pesquisa, foram analisados 31 pacientes com instabilidade patelofemoral, submetidos à cirurgia de reconstrução do ligamento patelofemoral medial (LPFM) com a técnica anatômica do duplo-feixe com fixação com âncoras metálicas. 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This was a prospective cross-sectional study. After approval from the research ethics committee, 31 patients with patellofemoral instability who underwent MPFL reconstruction by means of the anatomical double-bundle technique, with fixation using metal anchors, were analyzed between May 2010 and January 2015. To evaluate the effectiveness of the MPFL reconstruction surgery, the Kujala scale and the Tegner–Lysholm score were assessed before the procedure and one year afterwards, along with clinical data such as pain levels, range of motion and J sign. The data were tabulated in the Excel® software and were analyzed using the SPSS Statistics® software, version 21. The statistical analysis was performed using the Wilcoxon T test and the McNemar test. The mean preoperative score from the Kujala test was 45.64±1.24 and the postoperative score was 94.03±0.79 (p<0.001). The preoperative Tegner–Lysholm score was 40.51±1.61 and the postoperative score was 91.64±0.79 (p<0.001). The preoperative range of motion was 125.96±2.11 and the postoperative range was 138.38±1.49 (p<0.05). MPFL reconstruction by means of the anatomical double-bundle technique is easily reproducible, without episodes of recurrence, with satisfactory results regarding restoration of stability and function of the patellofemoral joint. Avaliar, em médio prazo, a reconstrução do ligamento patelofemoral medial (LPFM) com duplo-feixe com enxerto do tendão semitendíneo e fixação com âncoras metálicas. Estudo prospectivo de corte transversal. De maio de 2010 a janeiro de 2015, após aprovação do comitê de ética em pesquisa, foram analisados 31 pacientes com instabilidade patelofemoral, submetidos à cirurgia de reconstrução do ligamento patelofemoral medial (LPFM) com a técnica anatômica do duplo-feixe com fixação com âncoras metálicas. Para avaliar a eficácia da cirurgia de reconstrução do LPFM, foram utilizadas a escala de Kujala e o escore de Tegner-Lysholm, antes do procedimento e após um ano. Foram avaliados os dados clínicos como o arco de movimento, presença do Sinal do J e nível de dor. Os dados foram tabulados no programa Excel® e analisados com o programa SPSS Statistics® versão 21. A análise estatística foi feita com o teste T de Wilcoxon e o teste de McNemar. A média dos resultados obtidos no pré-operatório com o teste de Kujala foi de 45,64±1,24 e no pós-operatório de 94,03±0,79 (p<0,001). O escore do joelho de Tegner-Lysholm alcançado foi de 40,51±1,61 no pré-operatório, para 91,64±0,79 (p<0,001) no pós-operatório. O arco de movimento obteve média de 12,596±2,11 no pré-operatório e 13,838±1,49 no pós-operatório (p<0,05). A reconstrução do LPFM com duplo-feixe é uma técnica de fácil reprodução, sem episódios de recidiva, e com resultados adequados para a restauração da estabilidade.]]></abstract><cop>Brazil</cop><pub>Elsevier Editora Ltda</pub><pmid>27274482</pmid><doi>10.1016/j.rboe.2015.07.011</doi><tpages>8</tpages><oa>free_for_read</oa></addata></record>
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subjects Joelho
Knee
Ligament patellar
Ligamento patelar
Luxação patelar
Original
ORTHOPEDICS
Patela
Patella
Patellar dislocation
Procedimentos cirúrgicos reconstrutivos
Reconstructive surgical procedures
title Reconstruction of the medial patellofemoral ligament by means of the anatomical double-bundle technique using metal anchors
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