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Long-term endothelial cell loss after phacoemulsification: peribulbar anesthesia versus intracameral lidocaine 1%:
Tim Heuermann1, Christian Hartmann, Norbert Anders
1Department of Ophthalmology, Charité, Faculty of Humboldt University of Berlin, Berlin, Germany. tim.heuermann@charite.de
Purpose:
To evaluate endothelial cell loss after phacoemulsification with posterior chamber intraocular lens implantation using peribulbar anesthesia or topical anesthesia combined with intracameral unpreserved lidocaine 1%.
Setting:
Department of Ophthalmology, Charité, Humboldt-University of Berlin, Berlin, Germany.
Methods:
Before and 20 months +/- 5.1 (SD) after surgery, specular microscopy was used to evaluate the number and morphology of endothelial cells in 78 eyes having peribulbar anesthesia or topical anesthesia combined with an intracameral injection of 0.15 cc unpreserved lidocaine 1%.
Results:
The mean endothelial cell loss was 11.11% in the peribulbar group and 12.55% in the topical/lidocaine group. There was no statistically significant difference in the amount of endothelial cell loss or cell morphology between the 2 groups.
Conclusion:
The long-term postoperative endothelial cell course showed that topical anesthesia combined with an intracameral injection of 0.15 cc unpreserved lidocaine 1% is a safe alternative to peribulbar anesthesia.
