Tratamiento quirúrgico de fractura de cabeza femoral mediante luxación controlada de cadera: resultados a mediano plazo
2011
Femoral head fractures associated to hip dislocations are uncommon lesions. Most reports present only short-term results. Objectives: To show functional outcome after a mid term follow up of patients with Pipkin II femoral head fractures treated operatively. Materials and Methods: A retrospective and descriptive evaluation of a 4 consecutive case series (four men, mean age of 36.5 years) treated operatively with an 89-month average follow up (range form 72-108 month). Controlled femoral head dislocation was performed in all patients and two 2.4 mm screws were used for fixation. At final follow up, the Harris Hip Score (HHS) and complications were assessed. Results: No immediate or late complications were reported. The mean HHS was of 95 points (range from 89 to 100 points).No signs of postraumatic arthritis or femoral head osteonecrosis were seen at the last radiographic assessment. Conclusion: in this series of patients with Pipkin II femoral head fractures mid-term functional results are good and no postraumatic arthritis or femoral head osteonecrosis were observed at final follow-up. Las fracturas de cabeza femoral, asociada a luxacion de cadera, corresponden a lesiones infrecuentes. La mayoria de los estudios reportan resultados a corto plazo. Objetivo: Describir el resultado funcional de pacientes con fractura Pipkin II operados con seguimiento a mediano plazo. Material y Metodos: Evaluacion retrospectiva y descriptiva de una serie consecutiva de 4 pacientes (cuatro hombres, mediana de edad 36,5 anos) operados con un seguimiento de mediana de 89 meses (72-108 meses). En todos los casos se realizo luxacion controlada de la cabeza femoral y se utilizaron 2 tornillos de 2,4 mm. Se evaluaron complicaciones y Harris Hip Score (HHS) al ultimo control clinico. Resultados: No se presentaron complicaciones tempranas ni tardias. El HHS promedio fue de 95 puntos (89-100 puntos). La ultima evaluacion radiografica no demostro signos de artrosis postraumatica ni signos de necrosis avascular de cabeza femoral. Conclusion: En este grupo de pacientes con fractura de Pipkin tipo II los resultados funcionales a mediano plazo son buenos, no registrandose en el seguimiento artrosis de cadera postraumatica ni necrosis avascular de la cabeza femoral.
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