Vestnik oftalmologii · 2021
[Optimization of phacoemulsification in complicated cataract with lens subluxation].
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Pirogova E S, Fabrikantov O L, Nikolashin S I
Аннотация
UNLABELLED: Purpose - to optimize the process of phacoemulsification in patients with cataract complicated by degree I-II lens subluxation by using the scaffold technique, and to determine the indications for its application.
MATERIAL AND METHODS: The patients were divided into two groups: group 1 - the main group - included 29 patients (29 eyes; 47.54%) who underwent cataract phacoemulsification with implantation of iris retractors and capsular ring using the scaffold technique. Group 2 - the comparison group - included 32 patients (32 eyes; 54.46%) who underwent cataract phacoemulsification with implantation of iris retractors and capsular ring using standard technique.
RESULTS: Patients' visual acuity improved up to 0.53 (0.35; 0.80) in group 1, and up to 0.50 (0.45; 0.80) in group 2 by the time of hospital discharge. At 6 months and 1 year follow-ups, visual functions were equal, in group 1 - 0.70 (0.65; 0.80), in group 2 - 0.70 (0.60; 0.90). The number of intraoperative complications decreased from 8.20% in standard phacoemulsification to 1.64% in scaffold technique. The latter reduces endothelial cell loss by 1.95% in comparison with traditional phacoemulsification over 1 year follow-up. With the scaffold technique, the number of intraoperative complications decreased from 15.63% in group 2 to 3.45% in group 1, the number of postoperative complications - from 43.75% to 31.04%, respectively.
CONCLUSION: The scaffold technique is indicated in pseudoexfoliation syndrome with weakness of zonular apparatus, degree I-II lens subluxation, in hard nucleus with absence of posterior cortical layer, in intumescent cataract, Morgagnian cataract to stabilize the posterior capsule and protect it from rupture.
MATERIAL AND METHODS: The patients were divided into two groups: group 1 - the main group - included 29 patients (29 eyes; 47.54%) who underwent cataract phacoemulsification with implantation of iris retractors and capsular ring using the scaffold technique. Group 2 - the comparison group - included 32 patients (32 eyes; 54.46%) who underwent cataract phacoemulsification with implantation of iris retractors and capsular ring using standard technique.
RESULTS: Patients' visual acuity improved up to 0.53 (0.35; 0.80) in group 1, and up to 0.50 (0.45; 0.80) in group 2 by the time of hospital discharge. At 6 months and 1 year follow-ups, visual functions were equal, in group 1 - 0.70 (0.65; 0.80), in group 2 - 0.70 (0.60; 0.90). The number of intraoperative complications decreased from 8.20% in standard phacoemulsification to 1.64% in scaffold technique. The latter reduces endothelial cell loss by 1.95% in comparison with traditional phacoemulsification over 1 year follow-up. With the scaffold technique, the number of intraoperative complications decreased from 15.63% in group 2 to 3.45% in group 1, the number of postoperative complications - from 43.75% to 31.04%, respectively.
CONCLUSION: The scaffold technique is indicated in pseudoexfoliation syndrome with weakness of zonular apparatus, degree I-II lens subluxation, in hard nucleus with absence of posterior cortical layer, in intumescent cataract, Morgagnian cataract to stabilize the posterior capsule and protect it from rupture.