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50세 미만 성인 백내장 환자에서 연령대별 야그레이저 후낭절개술의 빈도와 위험인자

Incidence and Risk Factors of Nd:YAG Capsulotomy in Adult Cataract Patients under 50 Years of Age According to Different Age Groups

김선영|김수영|이영춘|김은영
대한안과학회 (The Korean Ophthalmological Society)|2015.06|대한안과학회지 (Journal of The Korean Ophthalmological Society)|제56권 제6호|pp. 868-874

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참고문헌

키워드

Axial lengthPosterior capsular opacificationNd:YAG laser capsulotomy
주제분류안과학

초록

목적: 50세 미만 성인 백내장 환자에서 후낭혼탁의 발생으로 인한 후낭절개술의 위험인자를 분석하였고 연령대별로 시행률을 비교하였다. 대상과 방법: 수정체 초음파 유화술과 인공수정체 삽입술을 시행 받은 280안을 후향적으로 조사하였다. 총 경과관찰 기간은 평균 26.2 개월이다. 20대, 30대, 40대로 나누어 연령대별 후낭절개술 시행의 빈도를 분석하였고 성별, 연령, 백내장 형태, 인공수정체 종류, 안축장, 당뇨, 안외상 과거력, 아토피 질환력과 근시교정술 시행 여부에 따른 통계적 분석으로 위험인자를 알아보았다. 결과: 후낭절개술의 시행 빈도는 총 280안 중 39안(13.9%)이었으며 연령대별로는 20대에서 7.7%, 30대에서 13.8%, 40대에서 14.4% 로 통계적으로 유의한 차이는 없었다(p＝0.595). 안축장 22 mm 미만, 22-26 mm, 26 mm 초과에서 후낭절개술의 빈도는 각각 0% (0/2), 7.2% (12/166), 24.1% (27/112)로 안축장이 길수록 후낭절개술의 빈도가 통계적으로 유의하게 높았다(p＝0.036). 남자에 비해여자에서 빈도가 높았다(p＝0.006). 백내장 형태, 인공수정체 종류, 당뇨 유무, 안외상과거력, 아토피질환력, 근시교정술 시행 여부는후낭혼탁의 발생과 통계적으로 유의하게 관련이 없었다(p＞0.05). 결론: 50세 미만 성인 백내장 환자에서 20대, 30대, 40대 연령별 야그레이저 후낭절개술의 빈도는 통계적으로 유의한 차이가 없었으며, 안축장이 길수록 후낭절개술의 위험이 증가함을 알 수 있었다.

Abstract

Purpose: To evaluate the risk factors and incidence of neodymium-doped yttrium aluminium garnet (Nd:YAG) posterior capsulotomy due to posterior capsular opacification in adult cataract patients under 50 years of age according to different age groups. Methods: We retrospectively studied 280 eyes that received phacoemulsification and intraocular lens implantation. The total observation period was 26.2 months on average. The subjects were divided into 3 different age groups, 20's, 30's and 40's to evaluate the incidence of posterior capsulotomy. Risk factors based on gender, age, type of cataract, type of intraocular lens (IOLs), axial length, existence of diabetes mellitus, history of ocular trauma, atopic dermatitis and refractive surgery were also investigated using statistical analysis. Results: The incidence of posterior capsulotomy was 13.9% (39 of 280 eyes) and statistically significant differences were not observed based on age (7.7% in the 20’s group, 13.8% in the 30’s group and 14.4% in the 40’s group, p＝0.595). We divided subjects into 3 different groups based on axial length, below 22 mm, 22 to 26 mm and over 26 mm; posterior capsulotomy was performed in 0% (0/2), 7.2% (12/166) and 24.1% (27/112) of the patients, respectively, showing the longer axial length resulted in statistically significant increase in the incidence of posterior capsulotomy (p＝0.036). The incidence of posterior capsulotomy was higher in females than in males (p＝0.006). Correlations among posterior capsulotomy and type of cataract, type of IOLs and existence of diabetes mellitus, history of ocular trauma, atopic dermatitis and refractive surgery were not statistically significant. Conclusions: The difference in the incidence of Nd:YAG laser posterior capsulotomy according to age was not statistically significant in adult cataract patients under 50 years of age. We showed that longer axial length resulted in higher risk of posterior capsulotomy.

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