Rev Argent Cardiol 2016
DOI: 10.7775/rac.v84.i4.8530
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Longitudinal Strain at Rest does not Predict Stress Echo Results

Abstract: Introducción: El eco estrés evidencia la isquemia miocárdica como un trastorno regional y transitorio de la motilidad. El análisis visual es subjetivo y depende de la experiencia del operador, lo que ha motivado la búsqueda de un método semiautomático que permita minimizar esta limitación y así mejorar la confiabilidad y reproducibilidad de la prueba. Esto ha generado creciente interés en la introducción de la medición del strain longitudinal bidimensional antes del eco estrés y durante y después de él. Su det… Show more

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Cited by 4 publications
(4 citation statements)
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“…For each measurement it was checked that the endocardial tracing was correctly tracked throughout the cardiac cycle, and manual corrections were done when necessary. A GLS(%) value ≥ −18 was considered normal, according to the results from prior studies in normal subjects performed at our laboratory [16]; similar values are referred to in the literature [17]. Conventionally, GLS is presented as a negative value (since it represents the myocardial shortening in the longitudinal direction).…”
Section: Strain Assessmentmentioning
confidence: 93%
“…For each measurement it was checked that the endocardial tracing was correctly tracked throughout the cardiac cycle, and manual corrections were done when necessary. A GLS(%) value ≥ −18 was considered normal, according to the results from prior studies in normal subjects performed at our laboratory [16]; similar values are referred to in the literature [17]. Conventionally, GLS is presented as a negative value (since it represents the myocardial shortening in the longitudinal direction).…”
Section: Strain Assessmentmentioning
confidence: 93%
“…En la experiencia de los autores, que no está apoyada por la bibliografía existente, el valor del strain longitudinal en reposo es incapaz de predecir los resultados de la ecocardiografía de estrés (véase más adelante la Figura 2) ni tampoco confirmar o descartar la presencia de enfermedad coronaria; sin embargo, cuando se utiliza durante el apremio a baja dosis o carga, es capaz de detectar la presencia de reserva contráctil (53)(54)(55) .…”
Section: Primeraunclassified
“…Therefore, simple and non-invasive methods are required, which improve the selection and prognosis of patients referred for coronary angiography 4 . Despite the numerous works that confirm the usefulness of the technique in resting conditions, recent publications question it in this context 15,16 , this has led to the performance of this work, the purpose of which was to determine the relationship between myocardial strain measured by 2D speckle tracking electrocardiography and coronary artery circulation status in patients with suspected ischemic heart disease.…”
Section: Introductionmentioning
confidence: 99%