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2018 Fiscal Year Annual Research Report

The study of retinal vessel and visual function using ultrahigh resolution fundus imaging and focal macular electroretinogram

Research Project

Project/Area Number 16K11265
Research InstitutionNagoya University

Principal Investigator

伊藤 逸毅  名古屋大学, 医学系研究科, 准教授 (10313991)

Co-Investigator(Kenkyū-buntansha) 寺崎 浩子  名古屋大学, 医学系研究科, 教授 (40207478)
Project Period (FY) 2016-04-01 – 2019-03-31
Keywords光干渉断層計 / 光干渉断層計アンジオグラフィー / 網膜毛細血管 / 糖尿病網膜症 / 加齢黄斑変性 / 網膜電図
Outline of Annual Research Achievements

光干渉断層計(以下OCT)は網膜断層像を撮影する検査装置であるが、最近OCTを用いてangiographyを撮影できるOCT angiographyが登場し、網膜毛細血管網の詳細かつ定量的解析が可能になった。完全に非侵襲的に撮影でき、さらにその登場以降も性能向上が続いており、より詳細な解析が可能になってきている。本年度も正常眼の解析を行ったところ、加齢により脈絡膜毛細血管板の血管密度が低下していることがわかった。それに加えて、動脈硬化所見の悪化により低下することもわかった。糖尿病網膜症においてはその進行に従い網膜毛細血管密度が低下しており、さらに網膜電図のa波およびb波潜時の延長は網膜毛細血管密度の低下と有意な関係があることがわかった。またOCT angiographyにより、レーザー網膜光凝固術による脈絡膜毛細血管板の変化についても検出、解析が可能であった。OCT angiographyで網膜血管を同定し、同時に網膜層構造の変化を検出することで、内境界膜剥離術後の鼻側への網膜移動、および鼻側内層網膜肥厚、耳側内層網膜菲薄化の解析、さらに、Alport症候群での同様の変化の検出・解析も可能であった。加齢黄斑変性にたいする抗VEGF薬による治療による脈絡膜新生血管網の変化の解析も可能であった。未熟児網膜症において中心窩無血管領域が正常よりも小さいこともOCT angiographyによりわかった。以上、網膜微小循環は網膜機能と相関しており、OCT angiographyは、網膜の微細な変化を検出・解析し、網膜微小循環を解析することから網膜の病態生理を評価するのに有用であると考えられた。

  • Research Products

    (16 results)

All 2019 2018

All Journal Article (9 results) (of which Peer Reviewed: 9 results,  Open Access: 3 results) Presentation (7 results) (of which Int'l Joint Research: 6 results)

  • [Journal Article] CHARACTERISTICS AND CLASSIFICATION OF TYPE 3 NEOVASCULARIZATION WITH B-SCAN FLOW OVERLAY AND EN FACE FLOW IMAGES OF OPTICAL COHERENCE TOMOGRAPHY ANGIOGRAPHY2019

    • Author(s)
      Kataoka Keiko、Takeuchi Jun、Nakano Yuyako、Fujita Ai、Kaneko Hiroki、Ito Yasuki、Terasaki Hiroko
    • Journal Title

      Retina

      Volume: - Pages: -

    • DOI

      10.1097/IAE.0000000000002357

    • Peer Reviewed
  • [Journal Article] OPTICAL COHERENCE TOMOGRAPHY ANGIOGRAPHY OF THE FOVEAL AVASCULAR ZONE IN CHILDREN WITH A HISTORY OF TREATMENT-REQUIRING RETINOPATHY OF PREMATURITY2019

    • Author(s)
      Nonobe Norie、Kaneko Hiroki、Ito Yasuki、Takayama Kei、Kataoka Keiko、Tsunekawa Taichi、Matsuura Toshiyuki、Suzumura Ayana、Shimizu Hideyuki、Terasaki Hiroko
    • Journal Title

      Retina

      Volume: 39 Pages: 111~117

    • DOI

      10.1097/IAE.0000000000001937

    • Peer Reviewed
  • [Journal Article] INNER MACULAR CHANGES AFTER VITRECTOMY WITH INTERNAL LIMITING MEMBRANE PEELING FOR RHEGMATOGENOUS RETINAL DETACHMENT2019

    • Author(s)
      Fukukita Hiroshi、Ito Yasuki、Iwase Takeshi、Kaneko Hiroki、Yasuda Shunsuke、Kataoka Keiko、Terasaki Hiroko
    • Journal Title

      Retina

      Volume: - Pages: -

    • DOI

      10.1097/IAE.0000000000002310

    • Peer Reviewed
  • [Journal Article] Changes in choriocapillaris and retinal morphology after laser photocoagulation by OCT angiography2018

    • Author(s)
      Iwase Takeshi、Ueno Yoshitaka、Ra Eimei、Ito Yasuki、Terasaki Hiroko
    • Journal Title

      Medicine

      Volume: 97 Pages: e13278~e13278

    • DOI

      doi: 10.1097/MD.0000000000013278

    • Peer Reviewed / Open Access
  • [Journal Article] Quantification of Macular Microvascular Changes in Patients With Retinitis Pigmentosa Using Optical Coherence Tomography Angiography2018

    • Author(s)
      Inooka Daiki、Ueno Shinji、Kominami Taro、Sayo Akira、Okado Satoshi、Ito Yasuki、Terasaki Hiroko
    • Journal Title

      Investigative Opthalmology & Visual Science

      Volume: 59 Pages: 433~433

    • DOI

      10.1167/iovs.17-23202

    • Peer Reviewed / Open Access
  • [Journal Article] BETTER PROGNOSIS FOR EYES WITH PRESERVED FOVEAL DEPRESSION AFTER INTRAVITREAL RANIBIZUMAB INJECTION FOR MACULAR EDEMA SECONDARY TO CENTRAL RETINAL VEIN OCCLUSION2018

    • Author(s)
      Kitagawa Shuta、Yasuda Shunsuke、Ito Yasuki、Ueno Shinji、Iwase Takeshi、Terasaki Hiroko
    • Journal Title

      Retina

      Volume: 38 Pages: 1354~1360

    • DOI

      doi: 10.1097/IAE.0000000000001707

    • Peer Reviewed
  • [Journal Article] Novel Classification of Early-stage Systemic Hypertensive Changes in Human Retina Based on OCTA Measurement of Choriocapillaris2018

    • Author(s)
      Takayama Kei、Kaneko Hiroki、Ito Yasuki、Kataoka Keiko、Iwase Takeshi、Yasuma Tetsuhiro、Matsuura Toshiyuki、Tsunekawa Taichi、Shimizu Hideyuki、Suzumura Ayana、Ra Eimei、Akahori Tomohiko、Terasaki Hiroko
    • Journal Title

      Scientific Reports

      Volume: 8 Pages: 15163

    • DOI

      10.1038/s41598-018-33580-y

    • Peer Reviewed / Open Access
  • [Journal Article] Optical Coherence Tomography Angiography to Quantify Choroidal Neovascularization in Response to Aflibercept2018

    • Author(s)
      Takeuchi Jun、Kataoka Keiko、Ito Yasuki、Takayama Kei、Yasuma Tetsuhiro、Kaneko Hiroki、Terasaki Hiroko
    • Journal Title

      Ophthalmologica

      Volume: 240 Pages: 90~98

    • DOI

      10.1159/000487611

    • Peer Reviewed
  • [Journal Article] Macular Displacement After Vitrectomy in Eyes With Idiopathic Macular Hole Determined by Optical Coherence Tomography Angiography2018

    • Author(s)
      Akahori Tomohiko、Iwase Takeshi、Yamamoto Kentaro、Ra Eimei、Kawano Kenichi、Ito Yasuki、Terasaki Hiroko
    • Journal Title

      American Journal of Ophthalmology

      Volume: 189 Pages: 111~121

    • DOI

      10.1016/j.ajo.2018.02.021

    • Peer Reviewed
  • [Presentation] Macular Changes in eyes with Alport Syndrome2018

    • Author(s)
      Yasuki Ito; Hiroshi Fukukita; Keiko Kataoka; Hiroki Kaneko; Jun Takeuchi; Hirotaka Ito; Hiroko Terasaki
    • Organizer
      ARVO 2018 Annual Meeting
    • Int'l Joint Research
  • [Presentation] Long-term analysis of intravitreal anti-VEGF drugs2018

    • Author(s)
      Tetsuhiro Yasuma; Keiko Kataoka; Yasuki Ito; Hiroko Terasaki
    • Organizer
      ARVO 2018 Annual Meeting
    • Int'l Joint Research
  • [Presentation] Macular displacement after vitrectomy on eyes with idiopathic macular hole determined by optical coherence tomography angiography2018

    • Author(s)
      Takeshi Iwase; Tomohiko Akahori; Eimei Ra; Yasuki Ito; Hiroko Terasaki
    • Organizer
      ARVO 2018 Annual Meeting
    • Int'l Joint Research
  • [Presentation] Quantification of macular microvascular changes in patients with retinitis pigmentosa using optical coherence tomography angiography2018

    • Author(s)
      Daiki Inooka; Shinji Ueno; Taro Kominami; Akira Sayo; Satoshi Okado; Yasuki Ito; Hiroko Terasaki
    • Organizer
      ARVO 2018 Annual Meeting
    • Int'l Joint Research
  • [Presentation] Optical coherence tomography angiography of choriocapillaris: normative macular choriocapillaris vasculature and novel classification of early-stage systemic hypertensive changes: A cross-sectional study2018

    • Author(s)
      Kei Takayama; Yasuki Ito; Hiroki Kaneko; Keiko Kataoka; Takeshi Iwase; Taichi Tsunekawa; Hideyuki Shimizu; Ayana Suzumura; Tomohiko Akahori; Hiroko Terasaki
    • Organizer
      ARVO 2018 Annual Meeting
    • Int'l Joint Research
  • [Presentation] Inner Macular Changes after Vitrectomy with Internal Limiting Membrane Peeling for Rhegmatogenous Retinal Detachment2018

    • Author(s)
      Hirotaka Ito, Yasuki Ito, Hiroshi Fukukita, Takeshi Iwase, Hiroki Kaneko, Shunsuke Yasuda, Keiko Kataoka, Hiroko Terasaki
    • Organizer
      The 25th anniversary of Retina Center at Pali Momi
    • Int'l Joint Research
  • [Presentation] 糖尿病網膜症の無潅流域領における網膜内層厚の比較検討2018

    • Author(s)
      伊藤寛高、伊藤逸毅、片岡恵子、武内潤、寺崎浩子
    • Organizer
      Tsurumai Ophthalmic Seminar

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Published: 2019-12-27  

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