|
목적 : Orbital wall fracture results in functional and aesthetic deformities such as blindness, enophthalmos. Also, bony orbit volume increases and orbital contents are displaced outside the bony orbit. Therefore, orbital reconstruction is needed to restore the herniated orbital contents and to prevent complications. There are various materials for reconstruction and ways to measure the volume change. This study is aimed to evaluate the clinical differences in orbital volume change according to various implants used in orbital wall fracture surgery.
방법 : Twenty patients with inferior wall fracture and ten patients with medial wall fracture were included for the analysis. All patients underwent three dimensional orbital computed tomography (CT) before and three months after the surgery in addition to basic ophthalmic examinations. Orbital volume was measured by a software, Xelis 3D (Infinitt, USA).
결과 : The volume decrease after operation with Titanium, Medpore barrier and Macrosorb were 1.93, 1.27, 0.93 cm3 respectively. Volume differences between unaffected eye before operation and affected eye after operation with Titanium, Medpore barrier and Macrosorb were 2.55, 2.76, 2.85 cm3 respectively. Volume decrease of medial wall fracture after operation with Titanium, and Medpore were 0.90 and 0.78 cm3 respectively. The volume differences between unaffected eye before operation and affected eye after operation of patients with Titanium, and Medpore barrier were 0.35 and 0.52 cm3 respectively.
결론 : Titanium was the better material for orbital volume decrease than Medpore barrier and Macrosorb after orbital reconstruction surgery. It also prevented sulcus deformity better than other materials. Macrosorb showed the least amount orbital volume decrease. Therefore, careful choice of appropriate material for orbital wall reconstruction is required for surgeons. In the cases of medial wall fracture, volume difference of affected orbit was not as large as medial wall fracture.
|