PMID- 32429361 OWN - NLM STAT- MEDLINE DCOM- 20210129 LR - 20231111 IS - 1648-9144 (Electronic) IS - 1010-660X (Print) IS - 1010-660X (Linking) VI - 56 IP - 5 DP - 2020 May 16 TI - Determination of Referential Rates for Optical Coherence Tomography and Optical Coherence Tomography Angiography Flow Deficits in the Macular Choriocapillaris in Ophthalmologically Healthy Children. LID - 10.3390/medicina56050238 [doi] LID - 238 AB - Background and Objectives: Despite the growing number of new research publications, normative references for children's optical coherence tomography (OCT) parameters are still not completed. We chose to explore this topic because of the lack of normative parameters that is due to an improvement in different technologies and instruments. Our aim was to determine referential rates of retinal nerve fiber layer (RNFL) thickness and flow deficits (FD%) in the macular choriocapillaris (CC) in normal eyes of ophthalmologically healthy children. Materials and Methods: Ophthalmologically healthy 8- to 14-year-old individuals participated (n = 75) in this study. OCT images were taken using an swept-source-OCT (SS-OCT) instrument (DRI-OCT Triton, Topcon, Tokyo, Japan). The early treatment diabetic retinopathy study (EDTRS) grid (6 x 6 mm) divided the RNFL into the thickness maps. The FD% values of the CC were calculated on the 3 x 3-mm scans in a 1-mm circle (C(1)), 1.5-mm rim (R(1.5)), and the entire 2.5-mm circle (C(2.5)), and on the 6 x 6-mm scans in a 1-mm circle (C(1)), 1.5-mm rim (R(1.5)), the entire 2.5-mm circle (C(2.5)), 2.5-mm rim (R(2.5)), and 5-mm circle (C(5)). Results: Both scan quantifications of FD% in the C(1), C(2.5), and R(1.5) sectors were similar, but the 6 x 6-mm scan measurements were statistically significantly smaller than the 3 x 3-mm ones. Significant moderate correlations were found between axial length (AxL) and FD% in the 6 x 6-mm scans, namely C(1) (r = -0.347, p = 0.002), C(2.5) (r = -0.337, p = 0.003), R(1.5) (r = -0.328, p = 0.004), R(2.5) (r = -0.306, p = 0.008), and C(5) (r = -0.314, p = 0.006). Conclusions: The thinnest RNFL layers were on the temporal and nasal sides. FD% values in the C(1), C(2.5), and R(1.5) sectors were similar between the 3 x 3-mm and 6 x 6-mm scans. The negative moderate correlations between AxL and FD% were found in all C(1), C(2.5), C(5,) R(1.5), and R(2.5) sectors of the 6 x 6-mm scans. Further prospective studies are needed to determine more accurate normative references for children's OCT parameters. FAU - Bakstyte, Viktorija AU - Bakstyte V AD - Faculty of Medicine, Medical Academy, Lithuanian University of Health Sciences, LT-44307 Kaunas, Lithuania. FAU - Sniureviciute, Liveta AU - Sniureviciute L AD - Faculty of Medicine, Medical Academy, Lithuanian University of Health Sciences, LT-44307 Kaunas, Lithuania. FAU - Simiene, Evelina AU - Simiene E AD - Department of Ophthalmology, Hospital of Lithuanian University of Health Sciences Kaunas Clinics, LT-50162 Kaunas, Lithuania. FAU - Skruodyte, Justina AU - Skruodyte J AD - Department of Ophthalmology, Hospital of Lithuanian University of Health Sciences Kaunas Clinics, LT-50162 Kaunas, Lithuania. FAU - Januleviciene, Ingrida AU - Januleviciene I AD - Department of Ophthalmology, Hospital of Lithuanian University of Health Sciences Kaunas Clinics, LT-50162 Kaunas, Lithuania. LA - eng PT - Journal Article DEP - 20200516 PL - Switzerland TA - Medicina (Kaunas) JT - Medicina (Kaunas, Lithuania) JID - 9425208 SB - IM MH - Angiography MH - Child MH - Choroid/*anatomy & histology/diagnostic imaging MH - Cross-Sectional Studies MH - Female MH - Humans MH - Male MH - Optic Disk/anatomy & histology/diagnostic imaging MH - Prospective Studies MH - Reference Values MH - Retina/*anatomy & histology/diagnostic imaging MH - Retinal Ganglion Cells/physiology MH - Tomography, Optical Coherence/*methods PMC - PMC7279138 OTO - NOTNLM OT - choriocapillaris OT - flow deficits OT - ophthalmologically healthy children OT - optical coherence tomography angiography OT - retinal nerve fiber layer OT - swept-source optical coherence tomography COIS- The authors declare no conflict of interest. EDAT- 2020/05/21 06:00 MHDA- 2021/01/30 06:00 PMCR- 2020/05/16 CRDT- 2020/05/21 06:00 PHST- 2020/03/21 00:00 [received] PHST- 2020/05/07 00:00 [revised] PHST- 2020/05/13 00:00 [accepted] PHST- 2020/05/21 06:00 [entrez] PHST- 2020/05/21 06:00 [pubmed] PHST- 2021/01/30 06:00 [medline] PHST- 2020/05/16 00:00 [pmc-release] AID - medicina56050238 [pii] AID - medicina-56-00238 [pii] AID - 10.3390/medicina56050238 [doi] PST - epublish SO - Medicina (Kaunas). 2020 May 16;56(5):238. doi: 10.3390/medicina56050238.