Publication: Validación de los modelos de impresión 3D paciente específicos para cirugía ortopédica oncológica pélvica mediante estudio en cadáver
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2023-04-13
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Universidad Complutense de Madrid
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Abstract
Los tumores del anillo pélvico suponen un reto por la dificultad de obtener márgenes quirúrgicos adecuados. Herramientas como la navegación quirúrgica o la impresión 3D parala fabricación de plantillas de posicionamiento quirúrgico paciente-específicas ayudan en la planificación preoperatoria y la ejecución intraoperatoria. Su correcta colocación es fundamental en localizaciones complejas como la pelvis, por lo que es necesario identificar los errores de posicionamiento y la precisión de dichas herramientas paciente-específicas. Objetivos. La hipótesis principal de este estudio es que las plantillas de corte paciente específicas(PCPE) obtenidas mediante impresión 3D son una herramienta fiable para la realización de osteotomías en el abordaje oncológico de tumoraciones óseas localizadas en el anillo pélvico. Como objetivos se pretende demostrar la precisión de las PCPE adaptadas a las vías de abordaje y objetivar la influencia de la superficie anatómica sobre la que se asientan, así como comprobar que la navegación sobre PCPE es una opción válida para guiar las osteotomíaspélvicas, y que puede constituir un método de validación del posicionamiento intraoperatorio de las mismas...
Pelvic ring tumours are challenging because of the difficulty in obtaining adequate surgical margins. Tools such as surgical navigation or 3D printing for the fabrication of patient-specific surgical positioning templates help in preoperative planning and intraoperative execution. Their correct positioning is essential in complex locations such as the pelvis, so it is necessary to identify positioning errors and the accuracy of these patients pecifictools. Hypothesis and objectives. The main hypothesis of this study is that patient-specific cutting templates (PCPE) obtained by 3D printing are a reliable tool for performing osteotomies in the oncological approach to bone tumours located in the pelvic ring. The objectives are to demonstrate the accuracy of PCPE adapted to the approach routes and to objectify the influence of the anatomical surface on which they are placed, as well as to prove that navigation on PCPE is avalid option for guiding pelvic osteotomies, and that it can constitute a validation method for intraoperative positioning of these osteotomies...
Pelvic ring tumours are challenging because of the difficulty in obtaining adequate surgical margins. Tools such as surgical navigation or 3D printing for the fabrication of patient-specific surgical positioning templates help in preoperative planning and intraoperative execution. Their correct positioning is essential in complex locations such as the pelvis, so it is necessary to identify positioning errors and the accuracy of these patients pecifictools. Hypothesis and objectives. The main hypothesis of this study is that patient-specific cutting templates (PCPE) obtained by 3D printing are a reliable tool for performing osteotomies in the oncological approach to bone tumours located in the pelvic ring. The objectives are to demonstrate the accuracy of PCPE adapted to the approach routes and to objectify the influence of the anatomical surface on which they are placed, as well as to prove that navigation on PCPE is avalid option for guiding pelvic osteotomies, and that it can constitute a validation method for intraoperative positioning of these osteotomies...
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Tesis inédita de la Universidad Complutense de Madrid, Facultad de Medicina, leída el 13-07-2022