Shohei Kitahata, Tatsuya Inoue, Shin Tanaka, Jacob Y H Chin, Satoru Shinoda, Maiko Maruyama-Inoue, Kazuaki Kadonosono
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引用次数: 0
Abstract
Purpose: To investigate the association between the thickness of the retinal pigment epithelium (RPE)-Bruch's membrane (BM) complex and the development of retinal autograft edema as a postoperative complication following autologous retinal transplantation (ART).
Methods: This retrospective study examined data from 28 eyes of 28 patients (14 males, 14 females; mean age, 61.5 ± 19.8 years) who underwent ART and were followed for 1 year. The RPE-BM complex thickness was measured 2000 µm from the fovea using Image J software. Additionally, the graft blood flow was also evaluated by optical coherence tomography angiography and fluorescein angiography.
Results: Macular hole (MH) diameters ranged from 711.2 ± 251.9 µm to 1299.9 ± 333.0 µm, with MH closure achieved in all patients. RPE-BM complex thickness decreased by 4.17 µm at 6 months and 4.34 µm at 1 year, showing significant differences from preoperative measurements (29.88 ± 4.99 µm; 6 months: 95% confidence interval [CI], 1.62-6.71, P = 0.0018; 1 year: 95% CI, 2.03-6.65 µm, P = 0.00044). The decrease was significantly greater in the edema-positive group (95% CI, -8.33 to -0.82, P = 0.020). Furthermore, the rates of ellipsoid zone (EZ) recovery, alignment of neurosensory layers (ANL), and graft reperfusion were lower in the edema-positive group (EZ, P = 0.017; ANL, P = 0.0098; reperfusion, P = 0.039).
Conclusions: After ART, RPE-BM complex thickness decreases, particularly in cases with postoperative edema, suggesting a potential relationship between RPE function and postoperative outcomes, highlighting the importance of monitoring RPE-BM complex thickness after surgery.
期刊介绍:
Investigative Ophthalmology & Visual Science (IOVS), published as ready online, is a peer-reviewed academic journal of the Association for Research in Vision and Ophthalmology (ARVO). IOVS features original research, mostly pertaining to clinical and laboratory ophthalmology and vision research in general.