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Effect on corneal endothelial cell loss during phacoemulsification: fortified balanced salt solution versus Ringer
Barun K Nayak1, Rashmi O Shukla
1P.D. Hinduja Hospital and Medical Research Center, Mumbai, India. drbknayak@gmail.com
Purpose:
To compare the effect of phacoemulsification on the corneal endothelium using fortified balanced salt solution (BSS Plus) and Ringer lactate as the intraocular irrigating solution.
Setting:
P.D. Hinduja Hospital, Mumbai, India.
Design:
Prospective randomized controlled double-blinded clinical study.
Methods:
Patients with senile cataract up to nuclear grade III were randomized to have phacoemulsification with posterior chamber intraocular lens implantation performed using fortified balanced salt solution (Group A) or Ringer lactate (Group B) as the intraocular irrigating solution. The corneal endothelial cell density (primary outcome) and pachymetry were measured preoperatively and 1 week and 1 and 6 months postoperatively.
Results:
Each group comprised 35 eyes (35 patients). The postoperative percentage of endothelial cell loss was not significantly different between the 2 groups at 1 week (P=.582), 1 month (P=.668), or 6 months (5.03% and 8.35% in Group A and Group B, respectively) (P=.483) and was within the limits reported in the literature. The postoperative percentage change in pachymetry was not significantly different between the 2 groups at 1 week (P=.179) or 1 month (P=.170) but was significant at 6 months (P<.001) (-1.59% and 0.54% in Group A and Group B, respectively); however, the mean pachymetry value was near baseline in both groups at 6 months.
Conclusion:
Corneal endothelial cell loss after phacoemulsification with Ringer lactate was similar to that with fortified balanced salt solution over the long term.
