능동적 및 중력 기반의 수정체유화 역동학을 이용한 양안 백내장 동시수술 후 임상결과 비교
Comparison between Active and Gravity-based Phacoemulsification Fluidics Systems in Immediate Sequential Bilateral Cataract Surgery
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목적: 양안 백내장 동시수술 환자에서 능동적 초음파 역동학을 이용한 CenturionⓇ과 중력 기반의 초음파 역동학을 이용한 InfinitiⓇ를 사용하여 수정체유화술을 시행한 후의 임상결과를 비교하고자 하였다. 대상과 방법: 2015년 1월부터 2015년 9월까지 양안 백내장 동시수술 환자 34명 68안을 대상으로 한쪽 눈은 CenturionⓇ을, 다른 쪽 눈은 InfinitiⓇ를 이용하여 수정체유화술을 시행하였다. 누적소비에너지, 수술 중 초음파 시간, 평형염액 사용량 및 통증 정도를 조사하였다. 술 전과 술 후 1달째의 최대교정시력, 중심각막두께, 각막내피세포밀도를 비교하였다. 결과: CenturionⓇ군과 InfinitiⓇ군에서 누적소비에너지는 각각 5.05 ± 2.18, 7.05 ± 3.82, 수술 중 초음파 시간은 각각 24.65 ± 9.68 초, 34.95 ± 17.95초, 평형염액 사용량은 각각 37.06 ± 10.25 mL, 44.88 ± 16.38 mL였으며, 모두 CenturionⓇ군에서 InfinitiⓇ군에 비해 유의하게 낮았다(p=0.011, p=0.005, p=0.021, respectively). 수술 중 통증 정도는 CenturionⓇ군에서 0.26 ± 0.51, InfinitiⓇ군에서 0.50 ± 0.71로 두 군 간에 유의한 차이를 보이지 않았다(p=0.121). 술 후 1달째 두 군 간에 최대교정시력, 평균 중심각막두께증가율, 평균 각막내피세포감소율은 유의한 차이를 보이지 않았다. 결론: CenturionⓇ군이 InfinitiⓇ군보다 수정체유화술의 효율이 더 좋은 것으로 나타났으며, 두 군 사이에 수술 중 통증 정도 및 술 후 1달째의 임상결과에서는 차이가 없었다.
Abstract
Purpose: To compare the clinical outcomes during phacoemulsification when using active fluidics (Centurion®) and gravity- based fluidics (Infiniti®) in immediate sequential bilateral cataract surgery. Methods: From January 2015 to September 2015, 68 eyes of 34 patients with bilateral cataract were assigned to receive immediate sequential bilateral cataract surgery by Centurion® in one eye and Infiniti® in the other eye. We measured and compared intraoperative factors, including cumulative dissipated energy (CDE), ultrasound time, mean amount of balanced salt solution (BSS) used, and pain using a scale. Best corrected visual acuity (BCVA), central corneal thickness (CCT), and endothelial cell density (ECD) were also evaluated preoperatively and 1 month postoperatively. Results: Intraoperative measurements showed significantly less CDE (5.05 ± 2.18 vs. 7.05 ± 3.82), ultrasound time (24.65 ± 9.68 vs. 34.95 ± 17.95 seconds), and mean amount of BSS used (37.06 ± 10.25 vs. 44.88 ± 16.38 mL) in the Centurion® group than in the Infiniti® group (p = 0.011, p = 0.005, p = 0.021, respectively). The intraoperative pain scale was 0.26 ± 0.51 in the Centurion® group and 0.50 ± 0.71 in the Infiniti® group, and was not significantly different (p = 0.121). BCVA, increase of CCT and decrease of ECD were not significantly different between the two groups at 1 month postoperatively. Conclusions: The efficacy of phacoemulsification in the Centurion® group was superior to that in the Infiniti® group. The level of intraoperative pain and clinical outcomes 1 month after surgery were not significantly different between the two groups.
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