Abstract:
PURPOSE:To evaluate changes in the anterior chamber of eyes that have undergone Descemet membrane endothelial keratoplasty (DMEK) and to identify factors that affect these changes. METHODS:This retrospective study included 25 pseudophakic eyes of 25 patients who underwent DMEK. We determined the preoperative and postoperative values of the best spectacle-corrected visual acuity, spherical equivalent (SE), anterior chamber volume (ACV), anterior chamber depth (ACD), central corneal thickness (CCT), and scleral spur angle (SSA) evaluated using anterior segment optical coherence tomography and iris damage score and iris posterior synechiae score. We defined [INCREMENT] as the average change rate from the preoperative to postoperative value for each factor at 1 month (SE at 6-12 months) postoperatively. We also analyzed correlations between [INCREMENT]ACV, [INCREMENT]SE, and other preexisting factors. RESULTS:Compared with the preoperative ACV value (128 ± 28 mm), the postoperative value significantly increased to 155 ± 21 mm (P < 0.001); [INCREMENT]SE was +1.01 ± 1.09 diopters. [INCREMENT]ACV was negatively correlated with preoperative ACD (R = 0.643, P < 0.001) and SSA (R = 0.555, P = 0.001) and positively correlated with [INCREMENT]ACD (R = 0.799, P < 0.001) and [INCREMENT]SSA (R = 0.608, P < 0.001). [INCREMENT]CCT, iris damage score, and iris posterior synechiae score were not significantly correlated with [INCREMENT]ACV. [INCREMENT]SE was positively correlated with [INCREMENT]ACV, [INCREMENT]ACD, and [INCREMENT]SSA (R = 0.680, 0.455, and 0.478; P < 0.001, <0.05, and <0.05, respectively). CONCLUSIONS:An increase in the ACV and hyperopic change was noted after successful DMEK, especially in eyes with narrow-angled shallow anterior chambers.
journal_name
Corneajournal_title
Corneaauthors
Onouchi H,Hayashi T,Shimizu T,Matsuzawa A,Suzuki Y,Kato Ndoi
10.1097/ICO.0000000000002535subject
Has Abstractpub_date
2020-09-29 00:00:00eissn
0277-3740issn
1536-4798pub_type
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