The Relationship between Color Doppler Ultrasound Parameters and Disease Severity and Curative Effect in Patients with BRVO Combined with ME

doi:10.7517/issn.1674-0475.220824

Abstract

Abstract: This study investigated the relationship between colour Doppler ultrasound parameters and the disease severity and outcome of patients with branch retinal vein occlusion (BRVO) combined with macular oedema (ME). Eighty-six patients with BRVO combined with ME were selected as the study group, and 86 patients with BRVO alone were included as the control group. Colour Doppler ultrasound examinations were performed to analyse the relationship between colour Doppler ultrasound parameters [peak systolic flow velocity (PSV), end-diastolic flow velocity (EDV) and resistance index (RI)] of the central retinal artery (CRA) and ophthalmic artery (OA) and the disease severity and its outcome. The results showed that the EDV, PSV and RI of CRA in the study group were lower than those of the control group, and macular cystoid edema < diffuse < restrictive (P<0.05). EDV, PSV and RI of CRA in patients with BRVO combined with ME were negatively correlated with the degree of disease (P<0.05). The EDV, PSV and RI of CRA were higher in effective patients than in ineffective patients after treatment, and the difference before and after treatment was higher than in ineffective patients (P<0.05). The combined value of EDV, PSV and RI difference predicted the efficacy of BRVO combined with ME better than the single prediction. It can be seen that colour Doppler ultrasound parameters are closely related to the disease severity and efficacy of BRVO combined with ME, which can guide clinical management.

Key words: branch retinal vein occlusion, macular edema, color Doppler ultrasound, disease severity

SUN Hongshuang, YIN Dan, LIU Ying, SUN Hongwen, SUN Xia, LI Yuefeng. The Relationship between Color Doppler Ultrasound Parameters and Disease Severity and Curative Effect in Patients with BRVO Combined with ME[J]. IMAGING SCIENCE AND PHOTOCHEMISTRY, 2022, 40(6): 1412-1416.

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