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다른 재질의 비구면 인공수정체를 삽입한 이후, Nd:YAG 레이저후낭절개술 시행률의 비교

Comparison of Nd:YAG Laser Capsulotomy Rates between Implantation of Two Different Aspheric Intraocular Lenses

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목적: 백내장 환자에서 수정체초음파유화술과 후방인공수정체삽입술(서로 다른 인공수정체; SN60WF과 MI60)을 시행한 군에서Nd:YAG 레이저 후낭절개술 시행률을 비교 분석하였다. 대상과 방법: 수정체초음파유화술과 후방인공수정체삽입술을 시행 받은 후, 6개월 이상 경과 관찰이 가능했던 278명 404안을 후향적으로 조사하였다. SN60WF 인공수정체를 삽입한 군과 MI-60 인공수정체를 삽입한 군의 성별, 연령, 추적 기간, Nd:YAG 레이저 후낭절개술 시행률을 비교 분석하였다. 결과: 추적 기간은 SN60WF 인공수정체를 삽입한 군에서 평균 28.1개월, MI-60 인공수정체를 삽입한 군에서 평균 24.3개월이었다. 연령은 두 군에서 평균 68.6세, 평균 71.3세였다. 추적 기간과 연령은 두 군 사이에 통계적으로 유의한 차이가 있었다(p<0.01). Nd:YAG 레이저 후낭절개술 시행률은 SN60WF 인공수정체를 삽입한 군에서 5.6% (231안 중 13안), MI-60 인공수정체를 삽입한 군에서 48% (173안 중 83안)이었으며, 두 군 사이에 통계적으로 유의한 차이가 있었다(p<0.01). 여성과 젊은 연령은 Nd:YAG 레이저 후낭절개술의 시행률과 통계적으로 유의한 연관성이 있었지만(p<0.01), 당뇨병 유무는 통계적으로 유의한 연관성이 없었다(p>0.05). 결론: 친수성 아크릴 비구면 인공수정체인 MI-60을 삽입한 군에서 소수성 아크릴 비구면 인공수정체인 SN60WF를 삽입한 군보다추적 기간 중 Nd:YAG 레이저 후낭절개술 시행률이 유의하게 높았다.

Abstract

Purpose: To compare neodymium-doped yttrium aluminum garnet (Nd:YAG) laser capsulotomy rates between 2 different asphericintraocular lenses, SN60WF and MI-60, in patients who underwent cataract surgery. Methods: This retrospective study included 404 eyes of 278 patients who were followed up for at least 6 months after cataractsurgery. Gender, age, follow-up period and Nd:YAG laser capsulotomy rates between the 2 different intraocular lens groupswere compared. Results: The mean follow-up period was 28.1 months in the SN60WF group and 24.3 months in the MI-60 group and the meanage was 68.6 years and 71.3 years in each group, respectively. Follow-up period and age were significantly different betweenthe 2 groups (p < 0.01). Nd:YAG laser capsulotomy rates were 5.6% (13 of 231 eyes) in the SN60WF group and 48% (83 of 173eyes) in the MI-60 group. Nd:YAG laser capsulotomy rates were significantly higher in the MI-60 group (p < 0.01). Female genderand young age were associated with significantly increased Nd:YAG laser capsulotomy rates (p < 0.01); however, diabetes mellituswas not significantly associated with Nd:YAG laser capsulotomy rates. Conclusions: Nd:YAG laser capsulotomy rates were higher in the MI60 hydrophilic aspheric intraocular lens group than theSN60WF hydrophilic aspheric intraocular lens group.

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