Abstract
Central retinal artery occlusion (CRAO) is a neuro-ophthalmological emergency. There is a finite time window for acute interventions such as revascularization (e.g. intravenous thrombolysis—IVT) and retinal oxygenation (e.g. hyperbaric oxygen therapy—HBOT) therapies. Case 1: A 35-year-old female presented with CRAO in the right eye (OD) confirmed by fluorescein angiography (FA) and optical coherence tomography (OCT). She underwent 4 sessions of HBOT (100% O2 at 2.4 atmosphere absolute for 90 min). Afterwards, visual defect on the nasal field was kept but visual acuity (VA) improved from counting fingers to 1.0. Case 2: A 65-year-old male presented with CRAO in his left eye (OS) with 1.5 h of evolution. Orbital sonography and OCT confirmed the presence of an embolus and he underwent IVT with rTPA (0.9 mg/kg). VA improved from light perception to 0.1. Case 3: A 21-year-old male presented acute visual loss in his OD with 2.5 h of evolution. OCT and retinography identified CRAO. He was submitted to IVT (rTPA-0.9 mg/kg) followed by 12 sessions of HBOT. VA improved from hand motion to 1.0. Our case series depicts the approaches and possible outcomes in acute management of an infrequent, but highly morbid, cerebroretinovascular disorder. Future clinical trials are warranted to tackle current difficulties in CRAO treatment.
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DF contributed to acquisition, analysis and interpretation of the data, drafting of the manuscript, concept and design. CS contributed to analysis and interpretation of the data and provided significant input for early and final drafts of the manuscript. JT-F contributed to the acquisition, analysis and interpretation of the data, study supervision and critical revision of manuscript. TF contributed to the acquisition, analysis and interpretation of the data, study supervision and critical revision of manuscript. RA contributed to the analysis and interpretation of the data, study supervision and provided significant input for early and final drafts of the manuscript. PC contributed to the acquisition, analysis and interpretation of the data, study supervision and critical revision of manuscript.
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Ferreira, D., Soares, C., Tavares-Ferreira, J. et al. Acute phase treatment in central retinal artery occlusion: thrombolysis, hyperbaric oxygen therapy or both?. J Thromb Thrombolysis 50, 984–988 (2020). https://doi.org/10.1007/s11239-020-02072-0
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DOI: https://doi.org/10.1007/s11239-020-02072-0