Ophthalmic Artery Occlusion after Internal Carotid Artery Stenosis

Dempsey, Katharine S.; Breazzano, Mark P.; Modi, Yasha S.

doi:10.1016/j.oret.2020.06.029

Cited by 2 publications

(4 citation statements)

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“…These findings are consistent with those presented in previous case reports, which showed that patients who had confirmed CRAO with ATS exhibited stenosis or total occlusion of the internal carotid artery. [9][10][11] Thus, CRAO with ATS should be considered to undergo carotid ultrasonography immediately after the diagnosis. Overall, 67% of the included patients had plaques, although no significant differences in the PN or PS were observed between patients with and without the ATS.…”

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

“…Moreover, all such cases exhibited complete occlusion of the internal carotid artery at the affected sites on carotid Doppler or magnetic resonance angiography. [9][10][11] However, no studies have investigated the incidence of the ATS in patients with CRAO and the association between the ATS and visual function. Therefore, the aim of this study was to review cases with complete CRAO from 2018 to 2023 to determine the incidence of the ATS among those with CRAO and its association with visual function and carotid ultrasonographic findings.…”

mentioning

confidence: 99%

“…Moreover, all such cases exhibited complete occlusion of the internal carotid artery at the affected sites on carotid Doppler or magnetic resonance angiography. 9–11…”

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confidence: 99%

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Amalric triangular sign and carotid Doppler ultrasonographic findings in central retinal artery occlusion

Okubo,

Mano,

Hashimoto

et al. 2024

Retina

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Purpose: This study aimed to determine the incidence of the Amalric triangular sign (ATS) in patients with central retinal artery occlusion (CRAO) and investigate its association with visual function and carotid Doppler ultrasonography findings. Methods: A retrospective chart review was conducted on 21 eyes from 21 cases with complete CRAO. Best-corrected visual acuity (BCVA) and carotid Doppler ultrasonography findings [peak systolic velocity (PSV), end-diastolic velocity (EDV), and resistance index (RI) = (PSV-EDV)/PSV] were investigated. Results: Three patients (14%) exhibited the ATS. BCVA at first visit was significantly worse in ATS-positive than in ATS-negative (P = 0.024). Doppler waveform analysis of the common carotid artery (CCA) showed that ATS-positive patients had a significantly lower EDV [P = 0.009, median 10 (range 9–10) vs. 17 (13–24) m/s] and significantly higher RI [P = 0.021, median 0.80 (range 0.79–0.83) vs. 0.72 (0.66–0.82)] than did ATS-negative. Conclusions: The ATS was observed in three patients with CRAO, who showed worse BCVA at the first visit than did those without the ATS. Carotid Doppler ultrasonography revealed that ATS-positive patients had a significantly higher RI and lower EDV at the CCA than did ATS-negative, indicating steno-occlusive changes in the internal carotid artery.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

mentioning

confidence: 99%

“…Moreover, all such cases exhibited complete occlusion of the internal carotid artery at the affected sites on carotid Doppler or magnetic resonance angiography. 9–11…”

mentioning

confidence: 99%

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