Computer-aided volume measurement of posttraumatic orbits reconstructed with AO titanium mesh plates: accuracy and reliability
| Autor: | Paolo Scolozzi, Bertrand Jaques |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2008 |
| Předmět: |
Adult
Male medicine.medical_specialty Ophthalmologic Surgical Procedures Orbit/*radiography/surgery Orbital Fractures/*surgery Fracture Fixation Internal Imaging Three-Dimensional Bone plate medicine Humans Segmentation Prospective Studies Orbital Fracture Orbital Fractures Reliability (statistics) Fracture Fixation Internal/instrumentation Aged Reconstructive Surgical Procedures/*methods Titanium Aged 80 and over ddc:617 business.industry Reproducibility of Results General Medicine Plastic Surgery Procedures Middle Aged Surgery Ophthalmology Orbit Coronal plane Computer-aided Bone Plates Female business Tomography X-Ray Computed Volume (compression) Biomedical engineering |
| Zdroj: | Ophthalmic Plastic and Reconstructive Surgery, Vol. 24, No 5 (2008) pp. 383-389 |
| ISSN: | 0740-9303 |
| Popis: | PURPOSE: To prospectively evaluate the accuracy and reliability of "freehand" posttraumatic orbital wall reconstruction with AO (Arbeitsgemeinschaft Osteosynthese) titanium mesh plates by using computer-aided volumetric measurement of the bony orbits. METHODS: Bony orbital volume was measured in 12 patients from coronal CT scan slices using OsiriX Medical Image software. After defining the volumetric limits of the orbit, the segmentation of the bony orbital region of interest of each single slice was performed. At the end of the segmentation process, all regions of interest were grouped and the volume was computed. The same procedure was performed on both orbits, and thereafter the volume of the contralateral uninjured orbit was used as a control for comparison. RESULTS: In all patients, the volume data of the reconstructed orbit fitted that of the contralateral uninjured orbit with accuracy to within 1.85 cm3 (7%). CONCLUSIONS: This preliminary study has demonstrated that posttraumatic orbital wall reconstruction using "freehand" bending and placement of AO titanium mesh plates results in a high success rate in re-establishing preoperative bony volume, which closely approximates that of the contralateral uninjured orbit. |
| Databáze: | OpenAIRE |
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