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Osteosíntesis mininvasiva con placas bloqueadas en fracturas metafisarias distales de tibia. Comparación de resultados entre fracturas AO 43A y AO 43C / Minimally invasive plate osteosynthesis in distal metaphyseal fractures of tibia. Comparison of results between AO 43A and 43C fractures
Yañez Arauz, Juan Manuel; Arzac Ulla, Ignacio; Del Vecchio, Javier; Eksarho, Andres; Civetta, Leandro; Perez Davila, Rodrigo.
  • Yañez Arauz, Juan Manuel; Hospital Universitario Austral. AR
  • Arzac Ulla, Ignacio; Hospital Universitario Austral. AR
  • Del Vecchio, Javier; Hospital Universitario Austral. AR
  • Eksarho, Andres; Hospital Universitario Austral. AR
  • Civetta, Leandro; Hospital Universitario Austral. AR
  • Perez Davila, Rodrigo; Hospital Universitario Austral. AR
Rev. Asoc. Argent. Ortop. Traumatol ; 80(3): 185-195, sept. 2015.
Article in Spanish | LILACS | ID: lil-768069
RESUMEN

Introducción:

Las fracturas distales de tibia son un desafío terapéutico debido a la escasa cobertura y la particular vascularización. Los objetivos de este estudio son analizar los resultados clínicos y funcionales de los pacientes con fractura de tibia distal, tratados con técnica MIPO con placas bloqueadas; comparar los resultados del grupo de fracturas AO 43A con el de fracturas AO 43C1-C2; y comparar los resultados de la técnica MIPO con el tratamiento abierto convencional. Materiales y

Métodos:

Entre 2004 y 2012, se evaluaron 32 fracturas de tibia distal tratadas con la técnica MIPO. El 59,4% tenía fracturas AO 43A y el 40,6%, AO 43C. Seguimiento promedio 39.6 meses, mediante la escala de la AOFAS y radiología. Se consignaron las complicaciones. Se compararon los resultados de los grupos AO A y AO C.

Resultados:

El grupo AO A media de 95,89 puntos en la escala AOFAS, en el posoperatorio. El grupo AO C1-2 media de 92,15 puntos en el posoperatorio. Carga del peso corporal a las 8.7 semanas promedio. Comparación entre AO 43A y AO 43C p = 0,46 (no significativa). Retorno a la actividad previa a la lesión 9.3 meses promedio. Comparación entre tipo A y tipo C p = 0,16 (no significativa). Se detectaron complicaciones en el 18,75% y se retiró la osteosíntesis en 14 casos.

Conclusiones:

La osteosíntesis mínimamente invasiva con placa y tornillos es una buena opción para las fracturas de tibia distal; con buena evolución clínico-funcional y escasas complicaciones cuando se la compara con la cirugía abierta. Las fracturas 43A presentan menos complicaciones mayores que las 43C, tratadas con la técnica MIPO. Nivel de evidencia IV.
ABSTRACT

Introduction:

Distal tibial fractures are a therapeutic challenge due to the limited coverage and specific vascularization. The aims of this study are to analyze the clinical outcome and functional results in patients with tibial fracture treated with MIPO technique with locked plates, and to compare AO 43A and AO 43C1-C2 fracture results, and conventional open treatment with MIPO technique.

Methods:

Between 2004 and 2012, 32 distal tibial fractures treated with MIPO technique were evaluated. The 59.4% were AO 43A fractures and 40.6% were AO 43C. Mean follow-up 39.6 months using AOFAS Score and X-rays. Complications were recorded. Results in AO A and AO C groups were compared.

Results:

Mean postoperative AOFAS score was 95.89 and 92.15 in AO A fracture and AO C1-2 fractures respectively. The mean time of weight bearing was 8.7 weeks. The mean time to return to activities was 9.3 months. Complications were detected in the 18.75% and removal of the hardware was necessary in 14 cases.

Conclusions:

Minimally invasive plate osteosynthesis is a good choice for tibial distal fractures, clinical and functional outcomes are good, and there are fewer complications in comparison to open surgery. AO 43A fractures have less complications than AO 43C with this technique. Level of evidence IV.
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Tibial Fractures / Ankle Injuries / Minimally Invasive Surgical Procedures / Fracture Fixation, Internal Type of study: Observational study / Prognostic study Limits: Adult Language: Spanish Journal: Rev. Asoc. Argent. Ortop. Traumatol Journal subject: Orthopedics Year: 2015 Type: Article Affiliation country: Argentina Institution/Affiliation country: Hospital Universitario Austral/AR

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Full text: Available Index: LILACS (Americas) Main subject: Tibial Fractures / Ankle Injuries / Minimally Invasive Surgical Procedures / Fracture Fixation, Internal Type of study: Observational study / Prognostic study Limits: Adult Language: Spanish Journal: Rev. Asoc. Argent. Ortop. Traumatol Journal subject: Orthopedics Year: 2015 Type: Article Affiliation country: Argentina Institution/Affiliation country: Hospital Universitario Austral/AR