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AquaLase, ultrasound had equal effect on endothelial cell counts in study

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PARIS — Endothelial cell loss was about equal in a study comparing cataract surgery with AquaLase and standard ultrasound phacoemulsification, said one surgeon speaking here.

Helga P. Sandoval, MD, presented results of the study at the European Society of Cataract and Refractive Surgeons meeting.

One eye each of 30 patients was randomly assigned to undergo lens removal using the Alcon’s AquaLase modality. The fellow eye of each patient was treated using standard ultrasound.

There was no statistically significant difference between the patients’ two eyes in terms of preop visual acuity, pachymetry measurements or endothelial cell counts, Dr. Sandoval said.

Preop mean pachymetry was 556.2 mm in the AquaLase eyes and 547.5 mm in the ultrasound eyes. Preop mean endothelial cell count was 2,452.3 in the AquaLase eyes and 2,461.2 in the ultrasound eyes, she said.

A significant increase in pachymetry was noted only at 1 day postop and only among AquaLase eyes. This subsequently decreased, and both groups had similar pachymetries at all other follow-up points, Dr. Sandoval said.

Both groups also experienced a similar decrease in mean endothelial cell counts, she noted.