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Impressum
Endothelial cell loss after phacoemulsification using different viscoelastica
Hahsler B., Klemen U. M., Walkow T.
Augenklinik im AÖK St. Pölten, Österreich
Background: In the study presented here we investigated, whether
the use of a specific type of viscoelasticum, which is widely used in
cataract surgery, as well as additionally intra- and preoperative parameters
have an influence on the endothelial cell loss.
Patients and Methods: Fifty eyes of 25 patients (mean age 74.3
years) without ocular pathologies scheduled for routine cataract surgery
were elected for this clinical trial. Preoperatively, the anatomical parameters
axial length, anterior chamber depth, lens thickness, and astigmatism
were measured. Time and relative energy of phacoemulsification, as well
as total operation time were recorded additionally. Using a contact-specular
microscope endothelial cell counts of the cornea were determined preoperatively,
six weeks and six month postoperatively.
Results: There were no significant differences between both viscoelastica
concerning intraoperative parameters phacoemulsification-time, relative
intensity of phacoemulsification and operation time. The only risk factor
found to be significant for higher endothelial cell loss was shorter bulbus
length (p<0.05).
Conclusions: The viscoelasticum can be chosen according to the
preference of the surgeon. Shorter eyes have a significant higher risk
for enhanced endothelial cell loss.