预劈核联合乳化劈核在白内障超声乳化中的应用

目的:比较预劈核联合乳化劈核与拦截劈核两种劈核方式,探讨预劈核联合乳化劈核的技术优点。 方法:将年龄相关性白内障131例156眼随机分为预劈核联合乳化劈核组( A组)68例82眼和拦截劈核组( B组)63例74眼。分别使用预劈核联合乳化劈核和拦截劈核技术进行白内障超声乳化术。记录术中平均超声能量(AP)、实际超声乳化时间(U/S time)、累积能量复合参数( AECP )、平均内皮细胞密度、平均内皮细胞丢失率、术中并发症、术后1d;1wk裸眼视力和术后1d角膜水肿等情况并进行比较。 结果:将两组中同级核硬度的亚组进行比较,A组的AP,U/S time,AECP均低于B组,差异有显著性;且前者...

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Bibliographic Details
Published in国际眼科杂志 Vol. 14; no. 3; pp. 487 - 489
Main Author 刘伟 张映萍 谢梅芬 刘妍
Format Journal Article
LanguageChinese
Published 411100,中国湖南省湘潭市中心医院眼科 2014
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Summary:目的:比较预劈核联合乳化劈核与拦截劈核两种劈核方式,探讨预劈核联合乳化劈核的技术优点。 方法:将年龄相关性白内障131例156眼随机分为预劈核联合乳化劈核组( A组)68例82眼和拦截劈核组( B组)63例74眼。分别使用预劈核联合乳化劈核和拦截劈核技术进行白内障超声乳化术。记录术中平均超声能量(AP)、实际超声乳化时间(U/S time)、累积能量复合参数( AECP )、平均内皮细胞密度、平均内皮细胞丢失率、术中并发症、术后1d;1wk裸眼视力和术后1d角膜水肿等情况并进行比较。 结果:将两组中同级核硬度的亚组进行比较,A组的AP,U/S time,AECP均低于B组,差异有显著性;且前者术后第1d角膜水肿轻于后者。术后1d裸眼视力A组优于B组,术后1 wk两组裸眼视力无差异。两组术后3 mo平均角膜内皮细胞密度无差异(P>0.05),但两组术后3mo平均角膜内皮细胞丢失率差异有显著性(P<0.05)。术中出现晶状体后囊膜破裂A组有2眼(2.4%),B组有4眼(5.4%)。 结论:与拦截劈核相比,预劈核联合乳化劈核术中超声时间更短、能量更低、术后3 mo角膜内皮细胞丢失率更少、术后早期裸眼视力更好。
Bibliography:61-1419/R
Wei Liu, Ying-Ping Zhang, Mei-Fen Xie, Yan Liu
cataract;phacoemulsification;phaco prechop
AIM:To compare two phaco techniques, namely phaco prechop with phaco chop and divide and conquer, and to discuss the technical advantages of phaco prechop with phaco chop METHODS:The study included 131 patients ( 156 eyes ) with age-related cataract eyes divided into 2 groups, group A including 68 patients (82 eyes), in which phaco prechop with phaco chop was performed, and group B including 63 patients ( 74 eyes ) , in which divide and conquer was performed.The mean parameters including average power ( AP ) , U/S time, accumulated energy complex parameter ( AECP) , mean endothelial cell count, mean endothelial cell loss, intraoperative complications, postoperative uncorrected visual acuity (UCVA) at 1d and 1wk, and corneal edema were reported in the two groups both preoperative and postoperative. RESULTS:The subgroups with same grade of lens nucleus hardness were compared. Parameters such as AP, U/S time, AECP in
ISSN:1672-5123
DOI:10.3980/j.issn.1672-5123.2014.03.29