3 results on '"Eric W. Schneider"'
Search Results
2. Chronic retinal necrosis: cytomegalovirus necrotizing retinitis associated with panretinal vasculopathy in non-HIV patients
- Author
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Naomi Goldberg, Frederik J.G.M. van Kuijk, Eric W. Schneider, Ronni M. Lieberman, Susan G. Elner, Dean Eliott, and Mark W. Johnson
- Subjects
Male ,Pathology ,medicine.medical_specialty ,Congenital cytomegalovirus infection ,Progressive outer retinal necrosis ,Retinitis ,Cytomegalovirus ,Retinal Neovascularization ,Antiviral Agents ,Polymerase Chain Reaction ,Aqueous Humor ,Necrosis ,HIV Seronegativity ,Medicine ,Humans ,Valganciclovir ,Ganciclovir ,Aged ,Retrospective Studies ,Aged, 80 and over ,Retinal Vasculitis ,business.industry ,Retinal vasculitis ,virus diseases ,Retinal Vessels ,Uveitis, Posterior ,General Medicine ,Middle Aged ,medicine.disease ,eye diseases ,medicine.infectious_disease ,CD4 Lymphocyte Count ,Vitreous Body ,Ophthalmology ,Chronic Disease ,Cytomegalovirus Retinitis ,DNA, Viral ,Drug Therapy, Combination ,Female ,sense organs ,Acute retinal necrosis ,Cytomegalovirus retinitis ,business ,medicine.drug ,Retinopathy ,Foscarnet - Abstract
To characterize a unique cytomegalovirus (CMV)-associated retinopathy in patients with limited immune dysfunction.Retrospective observational case series. CMV was confirmed as the pathogenic agent via polymerase chain reaction analysis of aqueous or vitreous humor samples or via immunohistochemical analysis of retinal biopsy specimens.Five non-HIV patients with granular necrotizing retinitis, vitritis, and severe occlusive vasculopathy were identified. Patient histories all suggested a basis for limited immune dysfunction including advanced age (n = 4), diabetes mellitus (n = 4), and noncytotoxic immunotherapy (n = 3). Diagnosis of CMV retinitis was delayed in all cases and patients received either no antiviral therapy (n = 2) or incorrect antiviral therapy (n = 3) for presumed herpes simplex/varicella zoster-related acute retinal necrosis. Retinitis subsequently regressed in all cases with introduction of systemic ganciclovir/valganciclovir (n = 5) and/or intravitreal foscarnet (n = 2). Four of five patients developed neovascularization because of extensive retinal ischemia.The clinical expression of CMV-associated retinopathy is strongly related to immune status. In patients with limited immune dysfunction, a mixed clinical picture of intraocular inflammation with panretinal occlusive vasculopathy, more characteristic of acute retinal necrosis, and peripheral slowly progressive granular retinitis, more characteristic of classic CMV retinitis, is observed. Recognition of this atypical clinical presentation, which the authors term chronic retinal necrosis, should prompt molecular testing for CMV to determine the appropriate antiviral therapy. Consideration should also be given to prophylactic panretinal photocoagulation in such eyes, given the high risk of neovascular complications.
- Published
- 2013
3. Pars plana vitrectomy without adjuvant procedures for repair of primary rhegmatogenous retinal detachment
- Author
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Eric W. Schneider, Mark W. Johnson, and Ryan L. Geraets
- Subjects
Pars plana ,Male ,Proliferative vitreoretinopathy ,medicine.medical_specialty ,Microsurgery ,Visual acuity ,genetic structures ,medicine.medical_treatment ,Visual Acuity ,Vitrectomy ,Scleral buckle ,Retina ,chemistry.chemical_compound ,Postoperative Complications ,Ophthalmology ,medicine ,Humans ,Retrospective Studies ,business.industry ,Retinal Detachment ,Retinal detachment ,Retinal ,General Medicine ,Middle Aged ,medicine.disease ,eye diseases ,medicine.anatomical_structure ,Treatment Outcome ,chemistry ,Female ,sense organs ,medicine.symptom ,business ,Follow-Up Studies - Abstract
To evaluate the anatomical and functional outcomes of pars plana vitrectomy without adjuvant scleral buckling, prophylactic 360° endolaser photocoagulation, or perfluorocarbon liquid use for the treatment of primary uncomplicated rhegmatogenous retinal detachment.Retrospective interventional case series of consecutive patients undergoing vitrectomy for noncomplex rhegmatogenous retinal detachment over a 10-year period. Main outcome measures included primary anatomical success rate, defined as retinal reattachment at final follow-up after a single operation, proportion of eyes achieving a final best-corrected visual acuity ≤ logarithm of the minimum angle of resolution 0.3 (≥ Snellen 20/40), and postoperative complications.With a mean follow-up of 31 months, primary anatomical success was achieved in 95.7% (89 of 93) of eyes. Final anatomical success, defined as retinal attachment at final follow-up without regard to additional procedures, was achieved in 98.9% (92 of 93). Final best-corrected visual acuity of ≤ logarithm of the minimum angle of resolution 0.3 (≥ Snellen 20/40) was achieved in 77.4% of eyes in the cohort. Postoperative proliferative vitreoretinopathy developed in 3.2% of eyes. No new retinal breaks developed postoperatively in the absence of clinically evident proliferative vitreoretinopathy.Thorough pars plana vitrectomy alone, without adjuvant scleral buckling, 360° endolaser photocoagulation, or routine perfluorocarbon liquid use, yields high anatomical and functional success rates and low complication rates in the treatment of primary uncomplicated rhegmatogenous retinal detachment. In the absence of observable proliferative vitreoretinopathy, postoperative vitreous base contraction does not appear to be a clinically relevant phenomenon.
- Published
- 2011
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