컴퓨터단층촬영을 이용한 비중격 만곡증 환자의 안와벽 결손 유병률에 대한 연구
A Study on the Incidence of Orbital Wall Defects in Patients with Nasal Septal Deviation Using Computed Tomography
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Background and Objectives: The orbit contains important structures such as the eyeball, optic nerve, and extra- ocular muscles. A defect the orbital wall is a clinically important anatomical variation because it can cause serious complications during nasal surgery. The authors investigated the incidence of orbital defects in patients of chronic sinusitis with nasal septal deviation and found out whether there is a relationship between chronic sinusitis and orbital defects to help the surgical treatment of these patients. Materials and Methods: The computed tomography (CT) and medical records of 247 patients with chronic sinusitis with septal deviation (study group) and 470 patients with septal deviation only (control group) were analyzed retrospectively. The average age of patients was 34.05 years for males and 33.67 years for females. Results: The incidence of orbital defects was statistically higher with 22 out of 247 subjects in the study group (8.9%) than 22 out of 470 subjects in the control group (4.7%)(Chi-square verification result, significance level 0.05). In both groups, the direction and degree of nasal septal deviation did not significantly affect the incidence of orbital defects, and medial orbital defects were the most common in both groups (study group, 90.9%, 20/22, control group, 86.4%, 19/22). Conclusions: About 9% of patients with chronic sinusitis with septal deviation showed defects of the orbital wall, which is easy to be damaged in sinus surgery and can lead to permanent complications. We should prevent such complications through evaluating CT and detailed medical history of the patient before surgery.
Abstract
Background and Objectives: The orbit contains important structures such as the eyeball, optic nerve, and extra- ocular muscles. A defect the orbital wall is a clinically important anatomical variation because it can cause serious complications during nasal surgery. The authors investigated the incidence of orbital defects in patients of chronic sinusitis with nasal septal deviation and found out whether there is a relationship between chronic sinusitis and orbital defects to help the surgical treatment of these patients. Materials and Methods: The computed tomography (CT) and medical records of 247 patients with chronic sinusitis with septal deviation (study group) and 470 patients with septal deviation only (control group) were analyzed retrospectively. The average age of patients was 34.05 years for males and 33.67 years for females. Results: The incidence of orbital defects was statistically higher with 22 out of 247 subjects in the study group (8.9%) than 22 out of 470 subjects in the control group (4.7%)(Chi-square verification result, significance level 0.05). In both groups, the direction and degree of nasal septal deviation did not significantly affect the incidence of orbital defects, and medial orbital defects were the most common in both groups (study group, 90.9%, 20/22, control group, 86.4%, 19/22). Conclusions: About 9% of patients with chronic sinusitis with septal deviation showed defects of the orbital wall, which is easy to be damaged in sinus surgery and can lead to permanent complications. We should prevent such complications through evaluating CT and detailed medical history of the patient before surgery.
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