Comparative observation of the efficacy of simplified Descemet stripping endothelial keratoplasty and penetrating keratoplasty in treating bullous keratopathy

Chen,Yingxin; Sun,Shanshan; Gao,Minghong; Liu,Qiming; Wang,Ziyue

doi:10.3892/etm.2020.9158

Comparative observation of the efficacy of simplified Descemet stripping endothelial keratoplasty and penetrating keratoplasty in treating bullous keratopathy

Authors:
- Yingxin Chen
- Shanshan Sun
- Minghong Gao
- Qiming Liu
- Ziyue Wang
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Affiliations: Department of Ophthalmology, The General Hospital of Northern Theater Command, Shenyang, Liaoning 110840, P.R. China
Published online on: September 1, 2020 https://doi.org/10.3892/etm.2020.9158
Article Number: 31
Copyright: © Chen et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

The aim of the present study was to compare the clinical efficacy between simplified Descemet stripping endothelial keratoplasty (DSEK) and penetrating keratoplasty (PKP) in the treatment of patients with bullous keratopathy (BK). A cohort of 65 patients (65 eyes) with BK recruited between December 2002 and June 2018 was divided into two groups according to the treatment they received: The simplified DSEK group (n=38) and the PKP group (n=27). The best‑corrected visual acuity (BCVA) during the follow‑up at 1, 3, 6 and 12 months and postoperative complications were all recorded. Furthermore, the graft survival rate after 1 year was recorded. The mean BCVA in the simplified DSEK group was significantly better than that in the PKP group after 1, 3, 6 and 12 months (P<0.05). Furthermore, the 1‑year graft survival rate in the simplified DSEK group (91.2%) was significantly higher than that in the PKP group (70.4%; P=0.039). A total of 13 eyes (34.21%) in the simplified DSEK group and 11 eyes (40.74%) in the PKP group were diagnosed with glaucoma; there was no significant difference between the rate of glaucoma diagnosis between the two groups (P=0.591). Graft rejection was observed in 5 eyes (13.16%) of the simplified DSEK group and 8 eyes (29.63%) of the PKP group and the rate of graft rejection did not differ significantly between the groups (P=0.279). Graft infection occurred in 1 eye (2.63%) in the simplified DSEK group and 6 eyes (22.22%) in the PKP group. Simplified DSEK achieved better visual acuity and longer graft survival rates than PKP. The incidence of postoperative secondary glaucoma, graft rejection and graft infection after simplified DSEK was lower than that in the PKP group, but only the incidence of graft infection was significantly different.

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