DiabeticRetinopathy_GJ - ● Opthalmoscopic examination for...

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Learning Issue: Diabetic Retinopathy Name: Gina Jackson Definition MIcrovascular condition that affects retinal blood vessels in patients with diabetes mellitus (DM) 2 Types Background Proliferative Same presentation as background plus neovascularization in response to retinal hypoxia Rare in children < 10 yrs old Most common cause of legal blindness in people age 20-65 Etiology Exact Mechanism Unclear Platelets and blood viscosity DM presents with hematologic abnormalities (increased erythrocyte aggregation, decreased RBC deformability, increased platelet aggregation and adhesion, focal capillary occlusion. Leads to ischemia causing diabetic retinopathy increased glucose glucose converted to alcohol loss of function of pericytes in retina outpouching of capillary walls and microaneurysms. Symptoms Asymptomatic in initial stages Advanced stages: floaters, blurred vision, progressive visual acuity loss Physical Exam/Signs
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Unformatted text preview: ● Opthalmoscopic examination for ● Microaneurysms ● Dot and blot hemorrhages ● Flame shaped hemorrhages ● Retinal edema and hard exudates ● Cotton wool spots ● Venous loops ● Intraretinal microvascular abnormalities (remodeled capillary beds) ● Macular Edema ● Diagnostic Testing ● Observation of physical exam signs listed above Meds/ Treatment Plan ● Most effective therapy is prevention with good diabetic control ● Laser photocoagulation can preserve vision Prognosis ● diffuse edema and poor vision at diagnosis has poor prognosis ● prognosis for background retinopathy is good with treatment and diabetic control ● How relates Our patient is a child, so this doesn't really relate at all to your PT Source (s) : http://www.mdconsult.com/das/pdxmd/body/216817106-9/0?type=med&eid=9-u1.0-_1_mt_1014182 http://emedicine.medscape.com/article/1225210-overview Harrison's pg 2287...
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This note was uploaded on 02/18/2012 for the course PAS 600 - 601 taught by Professor Garrubba during the Fall '10 term at Chatham University.

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DiabeticRetinopathy_GJ - ● Opthalmoscopic examination for...

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