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Rev. chil. ortop. traumatol ; 50(2): 100-106, 2009. ilus, graf
Article in Spanish | LILACS | ID: lil-559499

ABSTRACT

The medial patellofemoral ligament (MPFL) reconstruction is an option for the recurrent patellar instability. We developed a prospective study whose objective was to show the functional results at 6 and 12 months of patients who underwent MPFL reconstruction with semitendinosus (St) autograft. Four patients (5 knees) were treated between May 2006 and May 2008. The Kujala´s test before surgery in all patients was poor (< 50 points); 6 months after the surgery 4 cases turned out to be "good and very good" (only 1 case "poor", but increased her score to 78 points) and after 12 months of follow-up, 5 cases scored "very good and excellent" (score > 90 points). The Tegner´s test showed an increased of activity that was normal for the patients, and with the Insall´s test all patients referred very satisfied 12 months after surgery. Up to this stage, there has been no recurrence. In our local environment, the MPFL reconstruction with St. is a valid treatment to recover the patellofemoral mecanic.


La reconstrucción del ligamento patelofemoral medial (LPFM) es una alternativa en la inestabilidad rotuliana recurrente. Desarrollamos un estudio prospectivo con el objetivo de exponer los resultados funcionales a los 6 y 12 meses de pacientes sometidos a una reconstrucción del LPFM con semitendinoso (St). Son 4 pacientes (5 rodillas) operados entre mayo 2006 y mayo 2008. El test de kujala preoperatorio era "malo" (< 50 pts) en todos, a los 6 meses post op. 4 casos de "bueno y muy bueno" resultado (sólo 1 caso "malo", pero con incremento de su score a 78) y a los 12 meses (5 casos) todos con función "muy bueno y excelente" (score > 90 pts). El test de Tegner mostró un aumento del nivel de actividad considerada de normal en todos los pacientes, y en el test de Insall todos refieren excelente mejoría a los 12 meses. Hasta la fecha no existen recidivas. En nuestro medio local, la reconstrucción del LPFM con St. es una alternativa válida para recuperar la mecánica patelofemoral.


Subject(s)
Humans , Adolescent , Adult , Female , Middle Aged , Joint Instability/surgery , Patellar Ligament/surgery , Patellar Dislocation/surgery , Plastic Surgery Procedures , Follow-Up Studies , Joint Instability/prevention & control , Patient Satisfaction , Prospective Studies , Recovery of Function , Recurrence , Treatment Outcome , Tendons/transplantation
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