Accuracy study of new computer-assisted orthopedic surgery software
| Autor: | Ely L. Steinberg, E. Sidon |
|---|---|
| Rok vydání: | 2012 |
| Předmět: |
medicine.medical_specialty
Computer-assisted orthopedic surgery Sensitivity and Specificity Software medicine Humans Radiology Nuclear Medicine and imaging Femur book Reliability (statistics) biology business.industry Reproducibility of Results General Medicine biology.organism_classification Computer aided surgery Valgus Surgery Computer-Assisted Orthopedic surgery Calipers book.journal Tomography X-Ray Computed business Biomedical engineering |
| Zdroj: | European Journal of Radiology. 81:4029-4034 |
| ISSN: | 0720-048X |
| DOI: | 10.1016/j.ejrad.2012.07.016 |
| Popis: | The new computerized system is based on image analysis and designed to aid in orthopedic surgeries by virtual trajectory of the guide wire, intra-operative planning and various measurements. Validation of the accuracy and safety of any computer-aided surgery system is essential before implementing it clinically. We examined the accuracy of guide-wire length and angle measurements and fusion of multiple adjacent images (panoramic view image, PVI(®)) of the new software.This is a 2-part study. Part I: twenty guide wires were drilled to various depths in a synthetic femur model and the results obtained by the software measurements were compared with manual measurements by a caliper and a depth gauge. Part II: a sawbone femur shaft was osteotomized and various inclinations of10° to the varus or valgus angles were tested. The manually obtained measurements of angles and lengths were compared to the new computerized system software PVI.There was a significant positive linear correlation between all groups of the computerized length and the control measurements (r0.983, p0.01). There was no significant difference among different distances, angles or positions from the image intensifier. There was a significant positive linear correlation between the angle and length measurement on the PVI and the control measurement (r0.993, p0.01).The new computerized software has high reliability in performing measurements of length using an aiming, positioning and referring device intra-operatively. |
| Databáze: | OpenAIRE |
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