Abstract:
PURPOSE:To study the effects of continuous ultrasonic phacoemulsification performed with and without an anterior chamber maintainer (ACM) on corneal endothelial damage in patients with hard nuclear cataract. METHODS:Sixty eyes in 60 patients with hard nuclear cataract (grade IV), one lesion per eye, were randomly allocated into 2 groups: continuous ultrasonic phacoemulsification with (group A) or without (group B) ACM. The intraoperative accumulated energy complex parameter (AECP), frequency of shallow anterior chamber, and postoperative corneal incision edema, corneal endothelial cell counts, and visual recovery were compared between the groups. RESULTS:The intraoperative AECP, postoperative corneal incision edema, and postoperative visual recovery showed no significant differences between the groups (p>0.05). At 1 month postoperatively, the corneal endothelial cell loss rate and hexagonal cell percentage (postoperative compared to preoperative) in groups A and B were 0.117 ± 0.12 and 9.97 ± 9.52% and 0.15 ± 0.73 and 8.5 ± 4.60%, respectively, with no significant difference noted (p>0.05). The endothelial cell mutation rate was significantly lower in group A than in group B at 6.41 ± 6.78% and 28.27 ± 27.95%, respectively (p<0.05). The frequency of intraoperative shallow anterior chamber was significantly lower in group A than in group B (2 vs 17 times, p<0.05). CONCLUSIONS:Continuous ultrasonic phacoemulsification with ACM is a safe, effective, simple, and easy method to treat hard nuclear cataract and causes minimal damage to corneal endothelial cells. It is an ideal surgical option and is worth popularizing.
journal_name
Eur J Ophthalmoljournal_title
European journal of ophthalmologyauthors
Chen G,Wang D,Du Y,Huang Hdoi
10.5301/ejo.5000537subject
Has Abstractpub_date
2015-05-01 00:00:00pages
198-201issue
3eissn
1120-6721issn
1724-6016pii
D8D75B53-33DE-45FD-9CC5-3150399A2B52journal_volume
25pub_type
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