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| Content Provider | Springer Nature : BioMed Central |
|---|---|
| Author | Xie, Zi-jun Wu, Qing-yang Qu, Jing-hao Lin, Ji-yu Hong, Jing |
| Abstract | Background Descemet membrane endothelial keratoplasty (DMEK) has become the dominant keratoplasty procedure. However, the impact of high intraocular pressure (IOP) on the DMEK prognosis in patients without preexisting glaucoma remains unknown. Methods Non-glaucoma patients who underwent DMEK in Peking University Third Hospital between July 2017 and March 2023 with a follow-up duration longer than six months were included in this cohort study. Eyes were divided into three groups: Group A) normal IOP; Group B) early IOP elevation (IOP ≥ 30 mmHg or increase of more than 10 mmHg from baseline within 3 days); Group C) intermediate-term IOP elevation (IOP > 21 mmHg or increase of more than 10 mmHg from baseline after 14 days postoperatively). The postoperative IOP, endothelial cell density (ECD), central corneal thickness (CCT), best-corrected visual acuity (BCVA) and rate of graft failure were analysed. Results Forty-seven eyes from forty-seven patients were included. Thirty-seven eyes were bullous keratopathy, and ten were Fuchs endothelial corneal dystrophy. Twenty-five eyes were classified as Group A, six as Group B and sixteen as Group C. The mean peak IOP was 49.00 ± 4.99 mmHg in Group B eyes and 31.89 ± 11.75 mmHg in Group C eyes. The postoperative BCVA significantly differed from that before surgery (P < 0.001). The ECD at 3 months after surgery in eyes with intermediate-term IOP elevation was lower (P = 0.032). Four eyes with intermediate-term IOP elevation developed graft failure (P = 0.001). Conclusions Intermediate-term IOP elevation after DMEK may reduce the graft ECD and lead to graft failure within six months after surgery. However, early IOP elevation had no effect on the prognosis. Careful IOP monitoring and intermediate-term IOP management should be conducted for graft protection. |
| Related Links | https://bmcophthalmol.biomedcentral.com/counter/pdf/10.1186/s12886-024-03728-8.pdf |
| Ending Page | 10 |
| Page Count | 10 |
| Starting Page | 1 |
| File Format | HTM / HTML |
| ISSN | 14712415 |
| DOI | 10.1186/s12886-024-03728-8 |
| Journal | BMC Ophthalmology |
| Issue Number | 1 |
| Volume Number | 24 |
| Language | English |
| Publisher | BioMed Central |
| Publisher Date | 2024-10-21 |
| Access Restriction | Open |
| Subject Keyword | Ophthalmology Descemet membrane endothelial keratoplasty Ocular hypertension Intraocular pressure elevation Corneal endothelial cell |
| Content Type | Text |
| Resource Type | Article |
| Subject | Ophthalmology |
| Journal Impact Factor | 1.7/2023 |
| 5-Year Journal Impact Factor | 2/2023 |
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