Chopper Scaffold Technique to Reduce Endothelial Cell Damage and Postoperative Corneal Edema in Hard Cataracts | ASCRS
Presentation
Chopper Scaffold Technique to Reduce Endothelial Cell Damage and Postoperative Corneal Edema in Hard Cataracts
May 2020
Meeting: 2020 Virtual Annual Meeting
Session: SPS-112 Cataract Surgery - Techniques
Authors: Tushya O. Parkash, MS, Rohit Parkash MS, Shruti Mahajan MS
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Purpose
To evaluate the efficacy of Chopper scaffold technique to reduce endothelial cell damage and postoperative corneal edema in hard cataracts

Methods
Randomised prospective study was done in 35 patients undergoing phacoemulsification from July 2018 - June 2019.Patients with NS > grade 4 and ACD > 2 mm were included. Two prototypes of phaco chopper were used, sharp tip for chopping and blunt tip for providing scaffold while emulsification.The postoperative outcome measures were corneal edema(day 1),CCT(day 1,3,7,&30) AC cells and flare (day 1,3,7), and endothelial cell density assessed at 3 months.Corneal oedema was graded clinically on slit lamp bio-microscopic evaluation as diffuse/localised, epithelial/stromal oedema, or the presence of Descemet membrane folds.The CCT was measured using anterior segment optical coherence tomography.

Results
The study comprised 35 eyes out of which 28 eyes had clear cornea , 4 eyes had descemet membrane folds, 3 eyes with focal stromal oedema and 1 eye with diffuse corneal oedema at post-op day 1. The mean pre-op CCT was 530.2 ± 42.5 and mean post-op CCT was 542.40 ± 49.41 at Day 1 which reduced to 536.50 ± 44.32 at Day 7. The mean percentage of endothelial cell loss was 7.62 % (mean endothelial cell count, 2351.8 ± 405.3 cells/mm2 preoperatively and 2157.8 ± 392.8 cells/mm2 3 months postoperatively)

Conclusion
Chopper scaffold technique reduces endothelial cell damage and postoperative corneal edema in hard cataracts without compromising visual outcomes
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This presentation is from the session "SPS-112 Cataract Surgery - Techniques" from the 2020 ASCRS Virtual Annual Meeting held on May 16-17, 2020.

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