OPTICAL COHERENCE TOMOGRAPHY CHARACTERISTICS OF DIABETIC MACULAR OEDEMA

Abstract

Cilj rada je mjerenje zadebljanja makule kod dijabetičnih bolesnika tip 2 s neproliferativnom dijabetičnom retinopatijom i klinički signifi kantnim makularnim edemom temeljem optičke koherentne tomografi je (OCT) i morfološki prikaz karakteristika dijabetičnog makularnog edema. Prospektivna studija provedena je u Klinici za očne bolesti KBC-A Split. Uključeno je 40 bolesnika u dobi od 40 do 83 godine, svi s tipom 2 šećerne bolesti. Svim pacijentima je OCT pretragom slikano makularno područje, izmjereno središnje zadebljanje makule, volumen i prosječno zadebljanje makularnog područja. Prosječno izmjereno središnje zadebljanje makule iznosilo je 509,1 μm, prosječan volumen makularnog područja 13,1 mm3, a prosječno zadebljanje makularnog područja 365,1 μm. Dijabetični makularni edem podijeljen je na difuzni, fokalni, cistoidni te povezan sa seroznom makularnom ablacijom i makularnom trakcijom. Najčešći je difuzni dijabetični makularni edem, prisutan u 22 pacijenta (55 %), zatim slijedi fokalni u 8 (20 %), cistoidni u 4 (10 %), trakcijski u 4 (10 %) i najrjeđi morfološki oblik - serozna makularna ablacija kod 2 pacijenta (5 %). OCT je zlatni standard za dijagnostiku dijabetičnog makularnog edema. To je važna dijagnostička metoda visoke rezolucije za pregled anatomskih struktura makularnog područja i vitreoretinalne površine.The aim of this study was to measure macular thickness of diabetes mellitus type 2 patients with nonproliferative diabetic retinopathy and clinically signifi cant macular edema based on optical coherence tomography (OCT) fi ndings and to show morphological characteristics of diabetic macular edema. A prospective study was carried out at the Department of Ophthalmology, Split University Hospital Center. It included 40 patients aged 40-83, all with type 2 diabetes mellitus. Macular area was assessed by OCT, with measurement of central subfi eld thickness, cube volume and cube average thickness. The mean central subfi eld thickness was 509.1 μm, mean cube volume 13.1 mm3 and mean cube thickness 365.1 μm. Diabetic macular edema is classifi ed as diffuse, focal, cystoid, and associated with serous macular detachment and macular traction. Diffuse diabetic macular edema was most common, present in 22 (55%) patients, followed by focal macular edema in 8 (20%), cystoid in 4 (10%), associated with macular traction in 4 (10%) and morphological serous macular detachment as the least common in 2 (5%) patients. OCT is the gold standard for the diagnosis of diabetic macular edema. It is an important diagnostic method for high resolution imaging of anatomical structures of the macula and vitreoretinal surface

    Similar works