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- 저자 : 주천기.Kyong Jin Cho. M.D.. Hyun Soo Lee. M.D.. Choun-Ki Joo. M.D.. Ph.D. (검색결과 1 건)
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수정체유화술에서 프리챠퍼 사용이 초음파 에너지량의 감소에 미치는 영향
조경진,이현수,주천기.Kyong Jin Cho. M.D.. Hyun Soo Lee. M.D.. Choun-Ki Joo. M.D.. Ph.D. 대한안과학회 2008 대한안과학회지 Vol.49 No.12
Purpose: To compare the effectiveness and safety of the phaco prechopper technique dividing lenses into 2 or 4 pieces before phacoemulsification with the effectiveness and safety of conventional phacoemulsification during cataract surgery. Methods: This study included 360 eyes, which were divided into 4 groups according to nuclear opacity each group was subdivided into 3 groups according to the lens extraction technique (control, dividing the lens into two pieces using a phaco prechopper, and dividing it into four pieces) (Table 1). The following parameters were compared between the groups that had the same degree of nuclear opacity: changes in the endothelial cell count and hexagonality 2 months postoperatively, phaco time as well as the total phaco energy used for the operation, and the complication rates. Results: There were no intra- and post-operative complications in any group. The endothelial cell loss rate was significantly less in nuclear opacity groups 2 and 3 with the prechopper technique than in the control group. Hexagonality was significantly higher in the nuclear opacity group 3 with the prechopper technique than in the control 2 months after the operation. Phaco time was significantly less in the nuclear opacity groups 2 and 3 with the prechopper technique than in the control. Total phaco energy was significantly less in the nuclear opacity groups 2, 3, and 4 with the prechopper technique than in the control. Conclusions: Phacoemulsification using the prechopper technique is safe, resulting in significantly less endothelial cell damage, and requires less phaco time and less total phaco energy compared to those of the conventional phacoemulsification technique.
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