펨토초레이저를 이용한 백내장 수술과 고식적 백내장 수술에서 유효초음파시간의 비교
Comparison of Effective Phacoemulsification Time between Femtosecond Laser-Assisted Cataract Surgery and Conventional Cataract Surgery
1
조회
0
다운로드
1
인용
0
참고문헌
키워드
초록
목적: 펨토초레이저를 이용한 백내장 수술의 유효초음파시간(effective phacoemulsification time, EPT)을 고식적 백내장 수술과 비교하고자 하였다. 대상과 방법: 펨토초레이저를 이용하여 백내장 수술을 시행 받은 군 66명 100안과 고식적 백내장 수술을 시행 받은 군 68명 100안을 대상으로 두 군 간의 평균 EPT를 비교하였으며, Lens opacities classification system (LOCS) III 분류에 따라 핵경화 정도(nuclear opacity, NO)를 NO2, NO3 및 NO4 이상으로 나누어 각 그룹 내에서 두 군 간의 EPT를 비교하였다. 또한 펨토초레이저를 이용한 백내장 수술 시, 수정체 핵분할 패턴에 따른 EPT를 비교하였다. 결과: 전체 평균 EPT는 펨토초군이 5.85 ± 4.31초, 대조군은 10.34 ± 6.61초로, 펨토초군에서 EPT가 유의하게 짧았다. 핵경화도별로 EPT를 비교하였을 때도 모든 군에서 펨토초군의 EPT가 대조군보다 유의하게 짧았으며, 핵경화도가 높을수록 그 차이가 증가하였다. 한편, 수정체 핵분할 패턴에 따라 세 군으로 나누어 EPT를 비교하였을 때 350 μm 격자형 패턴으로 시행 받은 군의 EPT가 단순 패턴 및 혼합 패턴군보다 유의하게 짧게 나타났다. 결론: 펨토초레이저를 이용한 백내장 수술은 고식적 백내장 수술보다 더 적은 초음파 에너지를 사용할 수 있었으며, 펨토초레이저를 이용한 백내장 수술에서 수정체 핵분할 패턴에 따른 EPT의 차이를 보였다.
Abstract
Purpose: To compare the effect of femtosecond laser-assisted cataract surgery with conventional cataract surgery on effective phacoemulsification time (EPT). Methods: This study included 66 patients 100 eyes who underwent femtosecond laser-assisted cataract surgery and 68 patients 100 eyes who underwent conventional cataract surgery. Both groups underwent phacoemulsification using pulsed ultrasound energy and EPT was evaluated. The groups were further analyzed according to preoperative Lens opacities classification system (LOCS) III grading. Patients who had femtosecond laser-assisted cataract surgery underwent lens fragmentation with quadrant, hybrid, or grid pattern and the EPT was respectively evaluated. Results: The mean EPT was 5.85 ± 4.31 seconds in the femtosecond laser-assisted cataract surgery group and 10.34 ± 6.61 seconds in the conventional group. Overall, EPT was statistically significantly lower in the femtosecond laser-assisted cataract surgery group compared to the conventional group. When the groups were analyzed according to LOCS III grading, this result was consistent for all cataract grades and the reduction in EPT was increased with the higher LOCS III grade. When the groups were analyzed according to lens fragmentation patterns, the mean EPT was lower with 350 μm grid pattern than the quadrant or hybrid pattern. Conclusions: The femtosecond laser-assisted system in cataract surgery can be an efficient cataract surgery using lower EPT compared to the conventional procedure. Additionally, significant differences were observed in the mean EPT of cataract surgery using the femtosecond laser-assisted system among the 3 lens fragmentation pattern groups.
참고문헌 (24)
- Sugar A, "Ultrafast(femtosecond)laser refractive surgery", Curr Opin Ophthalmol, 13, pp.246~249 (2002)
- Juhasz T., "Corneal refractive surgery with femtosecond lasers", IEEE Journal of Selected Topics in Quantum Electronics, 5, pp.902~910 (1999)
- Kohnen T., "Results of 308 consecutive femtosecond laser cuts for LASIK", Ophthalmologe, 107, pp.439~445 (2010)
- Chang JS., "Initial evaluation of a femtosecond laser system in cataract surgery", J Cataract Refract Surg, 40, pp.29~36 (2014)
- 박재홍, "펨토초레이저 백내장 수술과 고식적 백내장 수술에서 수정체낭원형절개의 비교", 대한안과학회지, 55(12), pp.1800~1807 (2014), 대한안과학회
- Masket S., "Femtosecond laser-assisted cataract incisions : architectural stability and reproducibility", J Cataract Refract Surg, 36, pp.1048~1049 (2010)
- Mayer WJ., "Impact of crystalline lens opacification on effective phacoemulsification time in femtosecond laser-assisted cataract surgery", Am J Ophthalmol, 157, pp.426.e1~432.e1 (2014)
- Nagy ZZ., "Macular morphology assessed by optical coherence tomography image segmentation after femtosecond laser-assisted and standard cataract surgery", J Cataract Refract Surg, 38, pp.941~946 (2012)
- Bencić G., "Clinical importance of the lens opacities classification system III (LOCS III) in phacoe- mulsification", Coll Antropol, 29(Suppl 1), pp.91~94 (2005)
- Richard J., "Corneal endothelial cell loss after cataract extraction by using ultrasound phacoemulsification versus a fluid-based system", Cornea, 27, pp.17~21 (2008)
- Hayashi K., "Risk factors for corneal endothelial injury during phacoemulsification", J Cataract Refract Surg, 22, pp.1079~1084 (1996)
- Werblin TP, "Long-term endothelial cell loss following phacoemulsification : model for evaluating endothelial damage after intraocular surgery", Refract Corneal Surg, 9, pp.29~35 (1993)
- Nagy Z., "Initial clinical evaluation of an intraocular femtosecond laser in cataract surgery", J Refract Surg, 25, pp.1053~1060 (2009)
- Palanker DV., "Femtosecond laser-assisted cataract surgery with integrated optical coherence tomography", Sci Transl Med, 2, pp.58ra85~ (2010)
- Conrad-Hengerer I., "Effect of femtosecond laser fragmentation on effective phacoemulsification time in cataract surgery", J Refract Surg, 28, pp.879~883 (2012)
- Abell RG., "Femtosecond laser-assisted cataract surgery compared with conventional cataract surgery", Clin Experiment Ophthalmol, 41, pp.455~462 (2013)
- 이우석, "펨토초레이저를 이용한 백내장 수술과 고식적 백내장 수술 비교", 대한안과학회지, 54(8), pp.1227~1235 (2013), 대한안과학회
- Conrad-Hengerer I., "Effect of femtosecond laser fragmentation of the nucleus with different softening grid sizes on effective phaco time in cataract surgery", J Cataract Refract Surg, 38, pp.1888~1894 (2012)
- Roberts TV., "Capsular block syndrome associated with femtosecond laser-assisted cataract surgery", J Cataract Refract Surg, 37, pp.2068~2070 (2011)
- Murano N., "Corneal endothelial cell damage by free radicals associated with ultrasound oscillation", Arch Ophthalmol, 126, pp.816~821 (2008)
- Shin YJ., "The effect of phacoemulsification energy on the redox state of cultured human corneal endothelial cells", Arch Ophthalmol, 127, pp.435~441 (2009)
- Kohnen T, "Compromised corneal endothelium and cataract : how should we decide?", J Cataract Refract Surg, 37, pp.1377~1378 (2011)
- 김덕수, "초음파 백내장쪼개기와 작은 백내장쪼개기에 의한 백내장 수술의 비교", 대한안과학회지, 46(11), pp.1780~1785 (2005), 대한안과학회
- Abell RG., "Toward zero effective phacoemulsification time using femtosecond laser pretreatment", Ophthalmology, 120, pp.942~948 (2013)
