Purpose: Descemet stripping only (DSO) is a relatively novel treatment for Fuchs endothelial corneal dystrophy (FECD). In this procedure, a central area of Descemet membrane and endothelium is removed without the insertion of donor tissue. Evaluation of long-term outcomes (≥5 years) after DSO is imperative to establish the validity of this procedure and to determine its role in the management of Fuchs endothelial dystrophy. Published outcomes are limited but promising. This study evaluates the 5- and 6-year outcomes of patients who had DSO at a single institution.

Methods: This is a retrospective chart review of patients with FECD who underwent DSO in 2016 and 2017.

Results: Eleven patients and 13 eyes met the criteria. Twelve of 13 eyes achieved corneal clearance. Two eyes had corneal decompensation requiring subsequent endothelial keratoplasty (EK). Of the 10 eyes that maintained clear corneas, 9 had a best-corrected visual acuity (BCVA) of at least 20/30 (mean logarithm of the minimim angle of resolution [logMAR] visual acuity [VA] 0.18 ± 0.16) at 5 years post-operatively (POY5). At 6 years, 7 of 8 eyes had a VA better than 20/40 (mean logMAR VA 0.17 ± 0.04). One patient had decreased VA due to progression of macular degeneration. Patients who required EK achieved good vision and corneal clearance.

Conclusions: This is the largest series of patients with long-term follow-up after DSO. Ten of the 13 eyes (77%) responded and maintained clear central corneas for at least 5 years. Patients with failed DSO can achieve corneal clearance and good vision with subsequent EK. These patient outcomes support the role of DSO in the management of patients with FECD.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11058104PMC
http://dx.doi.org/10.1097/ICO.0000000000003421DOI Listing

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