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The role of left atrial enlargement and age in the prediction of recurrence in embolic strokes of undetermined source / El papel del crecimiento auricular izquierdo y la edad como predictores de recurrencia en infarto cerebral embólicos de origen indeterminado
Mendez, Beatriz; Ramos-Ventura, Cristina; Zapata, Carlos; Arteaga, Carmen; Soriano-Navarro, Eduardo; Espinosa-Lira, Fernando; González-Oscoy, Rodrigo; Barboza, Miguel; Roldán, Francisco-Javier; Arauz, Antonio.
  • Mendez, Beatriz; National Institute of Neurology and Neurosurgery Manuel Velasco Suárez. Endovascular Stroke Therapy. Mexico City. MX
  • Ramos-Ventura, Cristina; National Institute of Neurology and Neurosurgery Manuel Velasco Suárez. Stroke Clinic. Mexico City. MX
  • Zapata, Carlos; National Institute of Neurology and Neurosurgery Manuel Velasco Suárez. Stroke Clinic. Mexico City. MX
  • Arteaga, Carmen; National Institute of Neurology and Neurosurgery Manuel Velasco Suárez. Stroke Clinic. Mexico City. MX
  • Soriano-Navarro, Eduardo; National Institute of Neurology and Neurosurgery Manuel Velasco Suárez. Stroke Clinic. Mexico City. MX
  • Espinosa-Lira, Fernando; National Institute of Neurology and Neurosurgery Manuel Velasco Suárez. Stroke Clinic. Mexico City. MX
  • González-Oscoy, Rodrigo; National Institute of Neurology and Neurosurgery Manuel Velasco Suárez. Stroke Clinic. Mexico City. MX
  • Barboza, Miguel; National Institute of Neurology and Neurosurgery Manuel Velasco Suárez. Stroke Clinic. Mexico City. MX
  • Roldán, Francisco-Javier; Institute of Cardiology Ignacio Chavez. Ecocardiography Unit. Mexico City. MX
  • Arauz, Antonio; National Institute of Neurology and Neurosurgery Manuel Velasco Suárez. Stroke Clinic. Mexico City. MX
Arch. cardiol. Méx ; 90(4): 498-502, Oct.-Dec. 2020. tab
Article in English | LILACS | ID: biblio-1152825
ABSTRACT
Abstract

Objectives:

Left atrial disease is an independent risk factor for ischemic stroke and can be used to predict atrial fibrillation (AF). We examine whether left atrial enlargement (LAE) could predict stroke recurrence in patients with embolic stroke of undetermined source (ESUS). Materials and

methods:

Sixty-four patients with a confirmed diagnosis of ESUS were followed for a median of 22 months. Clinical data and echocardiogram findings were recorded. The echocardiogram interpretation was performed centrally and blindly. The Brown ESUS – AF score was used to categorize patients into high (human resource planning [HRP] score > 2) and low-risk patients (non-HRP score 0-1). Stroke recurrence was the primary outcome.

Results:

The median age was 62 years (range 22-85 years); and 33 (51.6%) were men. The median initial NIHSS score was three points (range 0-27). Twelve (18.8%) patients were categorized as HRP. We found a significant tendency toward recurrence among HRP versus non-HRP patients. Three (25%) HRP versus 2 (3.8%) non-HRP experienced recurrence (OR 8.3 95% CI 1.2-57; p=0.042); this association was related to severe atrial dilatation (OR 14.5 95% CI 0.78-277, p = 0.02) and age > 75 years (OR 12.7 95% CI 1.7-92.2, p = 0.03). We found no differences in recurrence in a univariate analysis.

Conclusions:

Patients with severe LAE who are 75 years old or older have a significant tendency to experience stroke recurrence.
RESUMEN
Resumen

Objetivos:

La patología atrial izquierda es factor de riesgo independiente para infarto cerebral y puede utilizarse para predecir fibrilación auricular. Examinamos si el crecimiento aurícular izquierdo puede predecir recurrencia en pacientes con infarto embolico de origen indeterminado (ESUS). Materiales y

métodos:

Sesenta y cuatro pacientes con diagnóstico confirmado de ESUS fueron seguidos por una mediana de seguimiento de 22 meses. Registramos los datos clínicos y ecocardiográficos. La interpretación ecocardiográfica fue centralizada y cegada. La escala de Brown ESUS – AF fue utilizada para categorizar a los pacientes en riesgo alto (HRP puntaje > 2) y bajo riesgo (no-HRP puntaje 0-1). El descenlace primario fue recurrencia de infarto cerebral.

Resultados:

Mediana de edad fue de 62 años (rango 22-85 años); 33 (51.6%) fueron hombres. La mediana inicial de la escala de NIHSS fue de 3 putnos (rango de 0 a 27). 12 (18.8%) pacientes fueron de alto riesgo (HRP) y 52 (81.3%) de bajo riesgo (non- HRP). El grupo HRP mostró tendencia significatica hacia mayor recurrencia. Tres (25%) HRP versus 2 (3.8%) no-HRP experimentaron recurrencia (OR 8.3 IC 95% 1.2-57; p = 0.042); esta asociación se relacionó con dilatación auricular severa (OR 14.5 IC 95% 0.78-277, p = 0.02) y edad > 75 años (OR 12.7 IC 95% 1.7-92.2, p = 0.03). En el análisis multivarioado, no encontramos significativas.

Conclusiones:

El crecimiento auricular izquierdo severo y la edad mayor de 75 años mostraron tendencia significativa a recurrencia de infarto cerebral.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Cardiomegaly / Embolic Stroke / Heart Atria Type of study: Etiology study / Observational study / Prognostic study / Risk factors Limits: Adult / Aged / Aged80 / Female / Humans / Male Language: English Journal: Arch. cardiol. Méx Journal subject: Cardiology Year: 2020 Type: Article Affiliation country: Mexico Institution/Affiliation country: Institute of Cardiology Ignacio Chavez/MX / National Institute of Neurology and Neurosurgery Manuel Velasco Suárez/MX

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Full text: Available Index: LILACS (Americas) Main subject: Cardiomegaly / Embolic Stroke / Heart Atria Type of study: Etiology study / Observational study / Prognostic study / Risk factors Limits: Adult / Aged / Aged80 / Female / Humans / Male Language: English Journal: Arch. cardiol. Méx Journal subject: Cardiology Year: 2020 Type: Article Affiliation country: Mexico Institution/Affiliation country: Institute of Cardiology Ignacio Chavez/MX / National Institute of Neurology and Neurosurgery Manuel Velasco Suárez/MX