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Evaluación de la precisión de la resección ósea en la artroplastia total de rodilla asistida por brazo robótico: un
Akash Chandrashekar Gundalli1, Ashish Singh1, Purushotam Kumar1
1Department of Orthopaedics, Anup Institute of Orthopaedics and Rehabilitation, Patna, Bihar, India.
Journal of orthopaedic case reports
|February 11, 2026
Resumen
La artroplastia total de rodilla asistida por brazo robótico (RA-TKA) muestra una alta precisión en las resecciones óseas. Este estudio confirma el sistema MAKO® de Stryker.
Área de la Ciencia:
- Cirugía Ortopédica Cirugía ortopédica.
- La robótica en la medicina en el campo de la medicina
- Ingeniería Biomecánica.
Sus antecedentes:
- La osteoartritis degenerativa requiere una artroplastia total de la rodilla (TKA).
- El TKA asistido por brazo robótico (RA-TKA) ofrece un potencial para mejorar la precisión.
- La precisión de las resecciones óseas en RA-TKA requiere más investigación.
Objetivo del estudio:
- Para evaluar la precisión de las resecciones óseas del fémur distal y la tibia proximal durante RA-TKA.
- Para evaluar el rendimiento del sistema de brazo robótico MAKO® de Stryker en la preparación ósea TKA.
Principales métodos:
- Un estudio observacional prospectivo de un solo centro de 55 pacientes sometidos a RA-TKA.
- La precisión de la resección ósea se verificó utilizando sonda plana in vivo y calibradores vernier digitales in vitro.
- Los datos recopilados desde septiembre de 2023 hasta marzo de 2024.
Principales resultados:
- El 95% de las 55 resecciones óseas logró una precisión dentro de 1 mm.
- Las diferencias medias absolutas para los cortes tibiales fueron de 0,29 mm (medial) y 0,38 mm (lateral).
- Las diferencias absolutas medias para los cortes femorales fueron de 0,16 mm (medial) y 0,41 mm (lateral).
Conclusiones:
- El sistema robótico Stryker MAKO® demuestra una alta precisión en las resecciones óseas para TKA.
- La precisión alcanzada supera los niveles reportados para el TKA convencional basado en jig.
- Los hallazgos apoyan la integración de la tecnología robótica en la artroplastia de rodilla para obtener mejores resultados.
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