2Uz. Dr., CLOFAN, Opthalmolgy, Medellin, Kolombiya
3Uz. Dr., CEO-NITIDO, Opthalmolgy, Tucuman, Arjantin
4Uz. Dr., Rios y Compañía, Opthalmolgy, Viña del Mar, Şili
5Uz. Dr., San Borja Clinic, Opthalmolgy, Lima, Peru
6Uz. Dr., Anzures Opthalmology Clinic, Opthalmolgy, Mexico City, Meksika
7Uz. Dr., Opthalmology center Cemesur, Opthalmology, La paz, Bolivya DOI : 10.37845/ret.vit.2021.30.61 Purpose: To quantify the normal values for vascular density (VD) of the superfi cial (SCP) and deep capillary plexus (DCP) in healthy subjects using optical coherence tomography angiography(OCTA).
Materials and methods: 188 volunteers were recruited over a 3-month period. Multicentric, descriptive study that included 365 eyes from healthy subjects, 230 from females and 135 from males. Patients were divided in 3 groups depending on the age, 20-39, 40-59 and 60 or more years. All subjects were evaluated with (RT-Vue XR Avanti) OCTA. 3x3 mm2 and 6x6 mm2 HD scans center at the fovea were taken; SCP VD, and DCP VD were quantitatively measured using Integrated automated algorithms.
Results: Ages range 20-86 average 39.7, SD 15.06. At 3x3 mm2 scan SCP VD and DCP VD median (IQ) are 47,20 (45,3-49,0) and 52,9 (50,8-54,7) respectively. At 6x6 mm SCP VD and DCP VD are 50,8 (48,6-52,7) and 53,5 (49,4-57,3) respectively. There is a signifi cant inversely proportional correlation with age in all plexuses. Correlation was observed between the gender and the vascular density in the foveal 3x3 mm2 SCP VD (P: 0,00) and in all 3x3 mm2 DCP VD (p: 0.00).
Conclusions: This is a multicentric study in which we obtained a signifi cant sample using OCT angiography with an integrated automated algorithm for analysis of patients with high variability of origin. We obtain data of VD on healthy subjects, that can be used as normative database for VD on the Latino population.
Keywords : Optical coherence tomography angiography, vascular density, latino, superfi cial capillary plexus, deep capillary plexus