Purpose of the research is to describe and compare the evolution of BSCVA after DMEK, DSAEK and UT-DSAEK for Fuchs Endothelial Corneal Dystrophy (FECD) and Moderate Pseudophakic Bullous Keratopathy (PBK). To secondarily research the correlates criterions with best spectacle corrected visual acuity (BSCVA) 12 months postoperatively.
The purpose of the research is to Describe and compare the evolution of BSCVA after DMEK, DSAEK and UT-DSAEK for Fuchs Endothelial Corneal Dystrophy (FECD) and Moderate Pseudophakic Bullous Keratopathy (PBK). To secondarily research the correlates criterions with best spectacle corrected visual acuity (BSCVA) 12 months postoperatively. In a retrospective, single-center, observational study, 218 eyes treated with DMEK (n=110), UT-DSAEK (n=58) and DSAEK (n=50) surgeries were studied. Patients requiring posterior lamellar transplantation for FECD or moderate PBK, with preoperative BSCVA of less than 0.3 logmar, were selected. Patients with pathologies that may seriously affect VA postoperatively were excluded. Graft thickness for DSAEK was measured during the surgery and in vivo at D8, D15, M1, M6, M12 and M24. The primary endpoint was best spectacle corrected visual acuity (BSCVA) in logMAR at 6, 12 and 24 months. We deliberately differentiated our postoperative visual results by comparing DMEK with DSAEK or UT-DSAEK with central graft thickness (CGT) measurements carried out either pre-operatively (less than or greater than 130 µm) or post-operatively at 6 months (less than or greater than 100µm). Type of endothelial graft, Donor and recipient's ages, Graft's endothelial cell density (ECD), Rebubbling rate, preoperative VA, graft's indications and surgical time were also tested to explain BSCVA at 12 months.
Study Type
OBSERVATIONAL
Enrollment
218
Chr Metz Thionville
Metz, France
visual acuity
The primary endpoint was best spectacle corrected visual acuity (BSCVA) in logMAR at 6 months
Time frame: 6 months
visual acuity
The primary endpoint was best spectacle corrected visual acuity (BSCVA) in logMAR at 12 months
Time frame: 12 months
visual acuity
The primary endpoint was best spectacle corrected visual acuity (BSCVA) in logMAR at 24 months
Time frame: 24 months
central graft thickness measurements
central graft thickness (CGT) measurements carried out either pre-operatively (less than or greater than 130 µm) or post-operatively at 6 months (less than or greater than 100µm)
Time frame: 6 months
Type of endothelial graft
Type of endothelial graft
Time frame: days 1
Donor's ages
Donor's ages
Time frame: days 1
recipient's ages
recipient's ages
Time frame: day 1
Graft's endothelial cell density
Graft's endothelial cell density was evaluated via no-contact specular microscopy (NIDEK CEM-530 NIDEK CO. LTD).
Time frame: day 1
Rebubbling rate
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Rebubbling rate
Time frame: day 1
Preoperative visual acuity
Preoperative visual acuity was scored with reference to the logarithm of the minimum angle of resolution (LogMAR).
Time frame: day 1
graft's indications
The indications of the grafts are different between the DMEK groups and the DSAEK and or UT-DSAEK groups: Fuchs endothelial corneal dystrophies (FECD) and moderated pseudophakic bullous keratopathies (PBK)
Time frame: day 1
surgical time
surgical time
Time frame: day 1