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1.
Ophthalmologica ; 244(4): 265-280, 2021.
Article in English | MEDLINE | ID: mdl-33823520

ABSTRACT

These recommendations, produced by a group of Canadian retina experts, have been developed to assist both retina specialists and general ophthalmologists in the management of vision-threatening neovascular age-related macular degeneration (nAMD). The recommendations are based on published evidence as well as collective experience and expertise in routine clinical practice. We provide an update on practice principles for optimal patient care, focusing on identified imaging biomarkers, in particular retinal fluid, as well as current and emerging therapeutic approaches. Algorithms for delivering high-quality care and improving long-term patient outcomes are provided, with an emphasis on timely and appropriate treatment to preserve and maintain vision. In the context of nAMD, increasing macular fluid or leakage on fluorescein angiography (FA) may indicate disease activity regardless of its location. Early elimination of intraretinal fluid (IRF) is of particular relevance as it is a prognostic indicator of worse visual outcomes. Robust referral pathways for second opinion and peer-to-peer consultations must be in place for cases not responding to intravitreal anti-vascular endothelial growth factor (anti-VEGF) therapy.


Subject(s)
Macular Degeneration , Wet Macular Degeneration , Angiogenesis Inhibitors/therapeutic use , Biomarkers , Canada , Humans , Intravitreal Injections , Macular Degeneration/drug therapy , Ranibizumab/therapeutic use , Tomography, Optical Coherence , Vascular Endothelial Growth Factor A , Visual Acuity , Wet Macular Degeneration/diagnosis , Wet Macular Degeneration/drug therapy
3.
Can J Ophthalmol ; 52 Suppl 1: S15-S18, 2017 Nov.
Article in English | MEDLINE | ID: mdl-29074007

ABSTRACT

OBJECTIVE: The purpose of this study was to evaluate the diabetic retinopathy (DR) tele-ophthalmology screening program in Manitoba to determine prevalence and incidence of DR, as well as to estimate the program's cost-effectiveness. DESIGN: Retrospective chart review. PARTICIPANTS: A total of 4676 patients with type 2 diabetes examined 9334 times from 2007 to 2013. METHODS: Focused ophthalmic histories were recorded and examinations were performed by trained nurses, including visual acuities, intraocular pressure, and mydriatic 7 standard field stereoscopic fundus photography. Images were evaluated by retinal specialists according to the Early Treatment of Diabetic Retinopathy Study criteria. DR prevalence and incidence were then calculated during the study period. Cost-effectiveness was estimated by comparing the cost of running the tele-ophthalmology program compared with the cost of screening the same volume of patients in-office. RESULTS: The average prevalence of any DR in each year was 25.1%. The cumulative incidence of DR across 6 years was 17.1% (95% CI, 15.4%-18.7%). The average savings per tele-ophthalmology examination was $1007. CONCLUSIONS: DR is highly prevalent among the studied population. Tele-ophthalmology provides a cost-effective means of monitoring patients as well as identifying new or treatable disease.


Subject(s)
Cost-Benefit Analysis , Diabetic Retinopathy/diagnosis , Diabetic Retinopathy/epidemiology , Diagnostic Techniques, Ophthalmological/economics , Ophthalmology/economics , Telemedicine/economics , Adult , Aged , Diabetes Mellitus, Type 2/diagnosis , Female , Humans , Incidence , Male , Manitoba/epidemiology , Middle Aged , Prevalence , Program Evaluation , Retrospective Studies
4.
Can J Ophthalmol ; 51(6): 467-470, 2016 Dec.
Article in English | MEDLINE | ID: mdl-27938959

ABSTRACT

OBJECTIVE: The purpose of this study was to evaluate the diabetic retinopathy (DR) tele-ophthalmology screening program in Manitoba to determine prevalence and incidence of DR, as well as to estimate the program's cost-effectiveness. DESIGN: Retrospective chart review. PARTICIPANTS: A total of 4676 patients with type 2 diabetes examined 9334 times from 2007 to 2013. METHODS: Focused ophthalmic histories were recorded and examinations were performed by trained nurses, including visual acuities, intraocular pressure, and mydriatic 7 standard field stereoscopic fundus photography. Images were evaluated by retinal specialists according to the Early Treatment of Diabetic Retinopathy Study criteria. DR prevalence and incidence were then calculated during the study period. Cost-effectiveness was estimated by comparing the cost of running the tele-ophthalmology program compared with the cost of screening the same volume of patients in-office. RESULTS: The average prevalence of any DR in each year was 25.1%. The cumulative incidence of DR across 6 years was 17.1% (95% CI, 15.4%-18.7%). The average savings per tele-ophthalmology examination was $1007. CONCLUSIONS: DR is highly prevalent among the studied population. Tele-ophthalmology provides a cost-effective means of monitoring patients as well as identifying new or treatable disease.


Subject(s)
Cost-Benefit Analysis , Diabetic Retinopathy/diagnosis , Diabetic Retinopathy/epidemiology , Telemedicine/economics , Adult , Aged , Diabetes Mellitus, Type 2/diagnosis , Diabetes Mellitus, Type 2/economics , Diabetes Mellitus, Type 2/epidemiology , Diabetic Retinopathy/economics , Female , Health Care Costs , Humans , Incidence , Male , Manitoba , Mass Screening , Middle Aged , Prevalence , Program Evaluation , Retrospective Studies
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