First Author: T.Gonen TURKEY
Co Author(s): O. Sever F. Horozoglu M. Yasar K. Keskinbora
Purpose:
To compare clinical results of biaxial microincision torsional phacoemulsification and biaxial microincision longitudinal phacoemulsification.
Setting:
Department of Ophthalmology, School of Medicine, Namik Kemal University, Tekirdag, Turkey
Methods:
In this randomized controlled clinical trial, 70 patients (70 eyes) with high density nuclear cataract were assigned to biaxial longitudinal (microburst mode) or biaxial torsional (with " intelligent phaco" [IP] software) phacoemulsification group. The main outcomes included corrected distance visual acuity (CDVA), central corneal thickness (CCT), central endothelial cell density (ECD), total ultrasound time (UST), cumulative dissipated energy (CDE), percentage total equivalent power in position 3 (%TEPiP3), and balanced salt solution (BSS) volume. Postoperative follow-up was at 1 day, 1 week, and 1 and 3 months.
Results:
Each group included 35 patients (35 eyes). In the third month after surgery, the mean CDVA for each group was 0.02 logMAR and the mean CCT turned back to the preoperative level (P = .589 and P = .554, respectively). During postoperative follow-up period, the percentage of mean endothelial cell loss for torsional and longitudinal groups was changing between 35.4 - 39.1%, but there was no statistically significant difference between groups (P > .05). The mean CDE, UST, %TEPPi3, and BBS volume values were similar for each group (P > .05).
Conclusions:
The risk of high endothelial cell loss should be considered when the phacoemulsification of high density nuclear cataracts is performed using biaxial microincision torsional or longitudinal methods. FINANCIAL DISCLOSURE?: No
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