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  • Title: Combined Keratoplasty, Pars Plana Vitrectomy, and Flanged Intrascleral Intraocular Lens Fixation to Restore Vision in Complex Eyes With Coexisting Anterior and Posterior Segment Problems.
    Author: Yokogawa H, Kobayashi A, Okuda T, Mori N, Masaki T, Sugiyama K.
    Journal: Cornea; 2018 Nov; 37 Suppl 1():S78-S85. PubMed ID: 30216334.
    Abstract:
    PURPOSE: To restore vision in complex eyes with coexisting anterior and posterior segment problems, combined corneal transplantation (penetrating keratoplasty [PK] or Descemet-stripping automated endothelial keratoplasty [DSAEK]), pars plana vitrectomy (PPV), and/or flanged intrascleral intraocular lens (IOL) fixation, designated vitreocorneal surgery are performed. In this study, we evaluated the usefulness of vitreocorneal surgery for eyes with complex comorbidities. METHODS: Thirteen consecutive eyes in 13 patients with coexisting corneal pathology (ie, corneal scarring, bullous keratoplasty, corneal laceration) and posterior segment pathology (ie, aphakia without capsular support, retinal detachment, intravitreal foreign body) underwent vitreocorneal surgery. Visual outcomes, intraoperative and postoperative complications, and additional surgery were retrospectively evaluated. RESULTS: Vitreocorneal surgery included PK + PPV + intrascleral IOL fixation (n = 5), PK + PPV (n = 3), PK + intrascleral IOL fixation (n = 1), DSAEK + intrascleral IOL fixation (n = 1), and DSAEK + PPV + intrascleral IOL fixation (n = 3). An intraoperative Eckardt temporary keratoprosthesis use enabled safe PPV. No vitreoretinal/IOL complications occurred. One eye required repeat DSAEK to repair endothelial graft detachment and inversion. In 3 eyes, secondary glaucoma was subsequently treated by glaucoma drainage device implantation through the pars plana. Mean best spectacle-corrected visual acuity (logMAR) improved from 1.8 ± 0.9 preoperatively to 1.1 ± 0.6 at 11.2 ± 14.6 months postoperatively (P = 0.002). Postoperative refraction was -0.68 ± 2.56 D (spherical equivalent). CONCLUSIONS: PK or DSAEK with PPV and/or flanged intrascleral IOL fixation is useful for complex eyes with coexisting anterior and posterior segment problems.
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