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KMID : 0360220170580040408
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Journal of the Korean Ophthalmological Society
2017 Volume.58 No. 4 p.408 ~ p.414
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Long-term Changes of Endothelial Cell Density after Pars Plana Vitrectomy with Fragmentation
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Choi Soo-Youn
Han Ji-Yun
Eom Young-Sub
Kim Seong-Woo
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Abstract
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Purpose: To evaluate the long-term changes in cornea endothelial cell density (ECD) after pars plana vitrectomy (PPV) with fragmentation.
Methods: Twenty patients (20 eyes) who underwent PPV with fragmentation and who were followed up for 2 years were enrolled in this retrospective study. The cornea ECD, coefficient of variation (CV), and hexagonality (HA) were calculated using a specular microscopy at 1, 3, 6, 12 months, and 2 years after surgery.
Results: The preoperative mean ECD was 1,782 ± 623 cells/mm2, and the postoperative mean ECD did not significantly change at 1, 3, 6, and 12 months. Additionally, there were no significant changes in CV or HA. At 2 years after surgery, the mean ECD was 1,722 ± 532 cells/mm2, the mean CV was 35.50 ± 3.03%, and the mean HA was 53.00 ± 4.91%. There were no significant changes in ECD, CV, or HA preoperatively and postoperatively at 1, 3, 6, and 12 months.
Conclusions: In this study, the mean ECD did not significantly decrease after PPV with fragmentation at 2 years after surgery. A PPV with fragmentation was an appropriate surgical procedure for patients with low cornea endothelial cell density.
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KEYWORD
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Cornea endothelial cell density, Pars plana vitrectomy with fragmentation
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