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Ultrasound Energy in Phacoemulsification: A Comparative Analysis of Phaco-Chop and Stop-and-Chop Techniques According to the Degree of Nuclear Density

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dc.contributor.authorPark, Jung Hyun-
dc.contributor.authorLee, Sang Mok-
dc.contributor.authorKwon, Ji-Won-
dc.contributor.authorKim, Mee Kum-
dc.contributor.authorWee, Won Ryang-
dc.contributor.authorHan, Young Keun-
dc.contributor.authorLee, Jin Hak-
dc.contributor.authorHyon, Joon Young-
dc.date.accessioned2012-06-29T02:30:07Z-
dc.date.available2012-06-29T02:30:07Z-
dc.date.issued2010-03-04-
dc.identifier.citationOPHTHALMIC SURGERY LASERS & IMAGING; Vol.41 2; 236-241-
dc.identifier.issn1542-8877-
dc.identifier.urihttps://hdl.handle.net/10371/77895-
dc.description.abstractBACKGROUND AND OBJECTIVE: To evaluate the amount Of ultrasound energy used, corneal endothelial cell loss, and central corneal thickness using the phaco-chop and stop-and-chop techniques for cataracts with different degrees of nuclear density. PATIENTS AND METHODS: One hundred two eyes of 51 patients with bilateral senile cataract were included. Each eye was randomly assigned to have either phaco-chop or stop-and-chop nucleofractis during phacoemulsification. The groups were divided into two Subgroups according to the nuclear density. The effective phacoemulsification time, endothelial cell density, and central corneal thickness were analyzed. RESULTS: The mean effective phacoemulsification time was similar between the groups In moderately dense nuclei (2.17 +/- 1.33 vs 1.33 +/- 1.05 seconds; P = .41). However, the phaco-chop technique required less effective phacoemulsification time than the stop-and-chop technique in dense nuclei (3.86 +/- 4.18 vs 6.70 +/- 5.43 seconds; P = .01). The endothelial cell loss and the central corneal thickness did not vary significantly between the groups. CONCLUSION: The phaco-chop technique requires lower ultrasound energy for nuclear management than the stop-and-chop technique in dense cataracts and the resulting endothelial loss was similar in both techniques.-
dc.language.isoen-
dc.publisherSLACK INC-
dc.titleUltrasound Energy in Phacoemulsification: A Comparative Analysis of Phaco-Chop and Stop-and-Chop Techniques According to the Degree of Nuclear Density-
dc.typeArticle-
dc.contributor.AlternativeAuthor박정현-
dc.contributor.AlternativeAuthor이상목-
dc.contributor.AlternativeAuthor권지원-
dc.contributor.AlternativeAuthor김미금-
dc.contributor.AlternativeAuthor현준영-
dc.contributor.AlternativeAuthor위원량-
dc.contributor.AlternativeAuthor이진학-
dc.contributor.AlternativeAuthor한영근-
dc.identifier.doi10.3928/15428877-20100303-13-
dc.citation.journaltitleOPHTHALMIC SURGERY LASERS & IMAGING-
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dc.description.tc1-
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College of Medicine/School of Medicine (의과대학/대학원)Ophthalmology (안과학전공)Journal Papers (저널논문_안과학전공)
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