| 외안F-047 |
| 이미지 분석을 이용한 익상편 수술 후 재발의 위험인자 연구 |
| 강원대학교병원1, 분당서울대학교병원2, 국립암센터3, 서울대학교병원4 |
| 한상범1, 전현선2, 김무상1, 이승준1, 양희경2, 황정민2, 김광기3, 현준영2, 위원량4 |
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목적 : To determine the risk factors related to recurrence of pterygium using automated image analysis in patients who underwent pterygium excision and limbal conjunctival autograft.
방법 : This study included 149 eyes of 149 patients. Image analysis was performed using preoperative anterior segment photographs to measure relative length (RL; horizontal length of pterygium invading cornea / horizontal corneal diameter), relative width (RW; width of pterygium invading cornea / vertical corneal diameter), relative area (RA; area of pterygium invading cornea / total corneal area) and vascularity index (VI; degree of vascularity). Recurrence of pterygium was determined at 1 year after surgery. Association between these factors and recurrence rate was evaluated.
결과 : Recurrence at 1 year was reported in 18.8% (28/149) of the patients. Univariate analysis showed that RL (P=0.001), RW (P =0.031), RA (P = 0.009) and VI (P<0.001) were significantly associated with increased risk of recurrence, while age and sex had no significant association with recurrence. In multivariate analysis, only VI (P<0.001) had significant correlation with recurrence. Patients with VI ≥ 30 had significantly higher recurrence rate than those with VI < 30 (33.3% vs. 8.1%, P<0.001).
결론 : Increased vascularity was associated with a higher risk of recurrence. Quantification of vascularity using automated image analysis might be useful in predicting the risk of recurrence.
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