Japanese Journal of Ophthalmology

, Volume 50, Issue 3, pp 224–228 | Cite as

Classification of Ophthalmic Artery Flow in Patients with Occlusive Carotid Artery Disease

  • Sayuri Fujioka
  • Kaoruko Karashima
  • Hidemitsu Nakagawa
  • Yoshihiro Saito
  • Norikiyo Nishikawa
LABORATORY INVESTIGATION

Abstract

Purpose

To investigate and classify the ophthalmic artery (OA) flow patterns in patients with occlusive carotid artery disease (OCAD).

Methods

Forty-three patients (52 eyes) with documented OCAD of ≧70% underwent orbital color Doppler imaging. The eyes were first divided into four groups by peak systolic velocity in OA (PSVOA): group A, PSVOA ≦ 0; group B, 0 < PSVOA ≦ 10; group C, 10 < PSVOA ≦ 40; and group D, PSVOA > 40 cm/s, then further classified by the shape of the OA flow wave. The groups were then compared with respect to the collateral pathway (Co-Path), severity of the OCAD, and systemic diseases.

Results

Eyes with unidirectional reverse flow (group A1) had a Co-Path from the ipsilateral external carotid artery and 70%–100% OCAD. Eyes with bidirectional reverse flow (group A2) had no Co-Path, 75% OCAD, and impending ischemic heart disease (IHD). Group B eyes had dome-shaped OA flow waves with no Co-Path and 99%–88% OCAD. Group C1 eyes, with normal flow waves, had a Co-Path from the contralateral internal carotid artery and 100% OCAD. Group C2 eyes, with triangular-shaped flow waves, had no Co-Path, 93%–70% OCAD, and IHD. Group D eyes had normal high flow waves with no Co-Path, 75% OCAD, and hypertension.

Conclusions

The OA flow patterns were variously affected by collateral pathway, severity of OCAD, and systemic diseases. Jpn J Ophthalmol 2006;50:224–228 © Japanese Ophthalmological Society 2006

Key words

blood flow wave occlusive carotid artery disease ophthalmic artery orbital color Doppler imaging peak systolic velocity 

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Copyright information

© Japanese Ophthalmological Society 2006

Authors and Affiliations

  • Sayuri Fujioka
    • 1
  • Kaoruko Karashima
    • 1
  • Hidemitsu Nakagawa
    • 2
  • Yoshihiro Saito
    • 3
  • Norikiyo Nishikawa
    • 4
  1. 1.Department of OphthalmologyOsaka Medical Center for Cancer and Cardiovascular DiseasesOsakaJapan
  2. 2.Department of NeurosurgeryOsaka Medical Center for Cancer and Cardiovascular DiseasesOsakaJapan
  3. 3.Department of OphthalmologyOsaka National HospitalOsakaJapan
  4. 4.Department of OphthalmologyOsaka Police HospitalOsakaJapan
  5. 5.Fujioka ClinicNaraJapan

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