Computer-assisted knee arthroplasty versus a conventional jig-based technique
Autor: | R. J. Beaver, W. Breidahl, R.G. Scott, S. K. Chauhan |
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Rok vydání: | 2004 |
Předmět: |
musculoskeletal diseases
medicine.medical_specialty Time Factors Rotation medicine.medical_treatment Prosthesis Postoperative Complications Humans Medicine Orthopedics and Sports Medicine Femur Prospective Studies Tibia Arthroplasty Replacement Knee Prospective cohort study Postoperative Care biology business.industry Bone Malalignment musculoskeletal system biology.organism_classification Arthroplasty Surgery Valgus Surgery Computer-Assisted Prospective trial Orthopedic surgery Tomography X-Ray Computed business |
Zdroj: | The Journal of Bone and Joint Surgery. British volume. :372-377 |
ISSN: | 2044-5377 0301-620X |
DOI: | 10.1302/0301-620x.86b3.14643 |
Popis: | We have compared a new technique of computer-assisted knee arthroplasty with the current conventional jig-based technique in 70 patients randomly allocated to receive either of the methods. Post-operative CT was performed according to the Perth CT Knee Arthroplasty protocol and pre- and post-operative Maquet views of the limb were taken. Intra-operative and peri-operative morbidity data were collected and blood loss measured. Post-operative CT showed a significant improvement in the alignment of the components using computer-assisted surgery in regard to femoral varus/valgus (p = 0.032), femoral rotation (p = 0.001), tibial varus/valgus (p = 0.047) tibial posterior slope (p = 0.0001), tibial rotation (p = 0.011) and femorotibial mismatch (p = 0.037). Standing alignment was also improved (p = 0.004) and blood loss was less (p = 0.0001). Computer-assisted surgery took longer with a mean increase of 13 minutes (p = 0.0001). |
Databáze: | OpenAIRE |
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