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Medicina Clínica (English Edition) Utility of ocular ultrasound for monitoring acute retinal arterial ischemia
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Utility of ocular ultrasound for monitoring acute retinal arterial ischemia
Utilidad de la ecografía ocular para el control de la isquemia arterial aguda de la retina
Luis Castilla-Guerraa,b,
Corresponding author
castillafernandez@hotmail.com

Corresponding author.
, Antonio Gómez-Escobarc, Estanislao Gutiérrez Sánchezc,d, María del Carmen Fernández-Morenob,e
a Unidad de Riesgo Vascular, Servicio de Medicina Interna, Hospital Virgen Macarena, Sevilla, Spain
b Departamento de Medicina, Universidad de Sevilla, Sevilla, Spain
c Servicio de Oftalmología, Hospital Virgen Macarena, Sevilla, Spain
d Departamento de Cirugía, Universidad de Sevilla, Sevilla, Spain
e Servicio de Neurología, Hospital de Valme, Sevilla, Spain
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Table 1. Baseline patient characteristics.
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Abstract
Introduction

The ocular ultrasound spot sign negatively predicts the success of thrombolytic treatment in retinal arterial occlusions. We evaluated the presence of the spot sign in these patients.

Material and methods

Retrospective study of patients with acute central retinal artery occlusion (CRAO) or its branches (BRAO). An ocular ultrasound was performed to assess the presence of spot sign.

Results

Twenty patients were included, 13 CRAO and 7 BRAO. Carotid stenosis was the most common etiology, in 50%, 7 CRAO and 3 BRAO. A spot sign was observed in 9 patients (45%), 7 CRAO and 2 BRAO. We did not observe significant differences between patients with CRAO and BRAO. Patients with the spot sign were significantly older, 73 (± 9) vs 66 (± 6) years (p = 0.028).

Conclusions

Ocular ultrasound is very useful in the evaluation of patients with acute retinal ischemia. More than fifty percent of CRAOs and one in four with BRAOs have the spot sign and would not benefit from systemic thrombolysis.

Keywords:
POCUS
Ocular ultrasound
Retinal artery occlusion
Spot sign
Intravenous thrombolysis
Resumen
Introducción

El signo de la mancha ocular ecográfico predice negativamente el éxito del tratamiento trombolítico en las oclusiones arteriales retinianas. Evaluamos la presencia del signo de la mancha en estos pacientes.

Material y métodos

Estudio retrospectivo de pacientes con oclusión aguda de arteria central de la retina (CRAO) o sus ramas (BRAO). Se realizó ecografía ocular para valorar el signo de la mancha.

Resultados

Se incluyeron veinte pacientes, 13 CRAO y 7 BRAO. La estenosis carotidea fue la etiología más común, en el 50%, 7 CRAO y 3 BRAO. Se observó un signo de la mancha en 9 pacientes (45%), 7 CRAO y 2 BRAO. No observamos diferencias significativas entre pacientes con CRAO y BRAO. Los pacientes con signo de la mancha eran significativamente mayores, 73 (± 9) vs 66 (± 6) años (p = 0,028).

Conclusiones

La ecografía ocular es muy útil en la evaluación de pacientes con isquemia retiniana aguda. Más del cincuenta por ciento de los CRAO y uno de cada cuatro con BRAO presentan signo de la mancha y no se beneficiarían de la trombólisis sistémica.

Palabras clave:
POCUS
Ecografía ocular
Oclusión de arteria retiniana
Signo de la mancha
Trombólisis intravenosa

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