Corneal endothelial cell loss between the Kongsap manual phacofragmentation and phacoemulsification
Kongsap, P.
Journal of the Medical Association of Thailand 91(7): 1059-1065
2008
ISSN/ISBN: 0125-2208 PMID: 18839845 Document Number: 11787
To compare corneal endothelial cell loss between the Kongsap manual phacofragmentation and phacoemulsification. One hundred two eyes with age-related cataract were randomized to undergo either the Kongsap manual phacofragmentation (Group 1, 52 eyes) or phacoemulsification surgery (Group 2, 50 eyes) with implantation of a posterior chamber, foldable, acrylic intraocular lens performed by one surgeon. The main parameters were corneal endothelial cell density (ECD), best corrected visual acuity (BCVA), and intraoperative and postoperative complications. Follow-up visits were scheduled at 1, 4, and 12 weeks. Pre-operatively, the mean ECD in Group 1 was 2,350 +/- 229 cells/mm2 and in Group 2 was 2,429 +/- 263 cells/mm2 (p = 0.112). Mean ECD decrease was 7.61% in Group 1 and 7.19% in Group 2 at the end of 12 weeks. The 95% confidence intervals of the mean differences of the endothelial cell loss at 4 weeks and 12 weeks after surgery were -1.87 to 2.04% and -2.77 to 3.63%, respectively. Mean best-corrected visual acuity at the end of 4 weeks was 0.88 +/- 0.22 in Group 1 and 0.82 +/- 0.24 in Group 2 (p = 0.117). There was no statistical difference between the groups in intra-operative and postoperative complications (p > 0.05). The corneal endothelial cell loss after cataract surgery with the Kongsap manual phacofragmentation is equivalent to those of phacoemulsification and both surgical techniques allowed excellent visual results.
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