dorsal/arxiv
View SchemaIntra-operative quantification of the surgical gesture in orbital surgery: Application to the proptosis reduction
| Authors | Vincent Luboz, Pascal Swider, Dominique Ambard, Franck Boutault, Yohan Payan |
|---|---|
| Categories | |
| ArXiv ID | physics/0702093 |
| URL | https://arxiv.org/abs/physics/0702093 |
| Journal | Clinical Biomechanics 22 (2007) 298-303 |
Abstract
Proptosis is characterized by a protrusion of the eyeball due to an increase of the orbital tissue volume. To recover a normal eyeball positioning, the most frequent surgical technique (BROD technique) consists in the osteotomy of orbital walls combined with a loading on the eyeball to initiate tissue decompression. This paper proposed an experimental method to quantify the intra-operative clinical gesture in proptosis reduction, and the pilot study concerned one clinical case. The eyeball's backward displacement was measured by an optical 3D localizer and the load applied by the surgeon was simultaneously measured by a custom-made force gauge. Quasi-static stiffness of the intra-orbital content was evaluated. The average values for the whole experiment was 16 N (SD: 3 N) for the force exerted by the surgeon and 9 mm (SD: 4 mm) for the eyeball backward displacement. The averaged quasi-static stiffness of the orbital content was evaluated to 2.4 N/mm (SD: 1.2) and showed a global decrease of 45% post-operatively.
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"abstract": "Proptosis is characterized by a protrusion of the eyeball due to an increase\nof the orbital tissue volume. To recover a normal eyeball positioning, the most\nfrequent surgical technique (BROD technique) consists in the osteotomy of\norbital walls combined with a loading on the eyeball to initiate tissue\ndecompression. This paper proposed an experimental method to quantify the\nintra-operative clinical gesture in proptosis reduction, and the pilot study\nconcerned one clinical case. The eyeball\u0027s backward displacement was measured\nby an optical 3D localizer and the load applied by the surgeon was\nsimultaneously measured by a custom-made force gauge. Quasi-static stiffness of\nthe intra-orbital content was evaluated. The average values for the whole\nexperiment was 16 N (SD: 3 N) for the force exerted by the surgeon and 9 mm\n(SD: 4 mm) for the eyeball backward displacement. The averaged quasi-static\nstiffness of the orbital content was evaluated to 2.4 N/mm (SD: 1.2) and showed\na global decrease of 45% post-operatively.",
"arxiv_id": "physics/0702093",
"authors": [
"Vincent Luboz",
"Pascal Swider",
"Dominique Ambard",
"Franck Boutault",
"Yohan Payan"
],
"categories": [
"physics.med-ph"
],
"journal_ref": "Clinical Biomechanics 22 (2007) 298-303",
"title": "Intra-operative quantification of the surgical gesture in orbital surgery: Application to the proptosis reduction",
"url": "https://arxiv.org/abs/physics/0702093"
},
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