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Master Thesis

Utilisation de la sonde d'échographie abdominale dans le cadre du dépistage de l'hypertrophie ventriculaire gauche

Abstract : Objectives: To determine the correlation between the measures of the interventricular septum with an abdominal transducer and the measures with a phased array transducer by a cardiologist during a transthoracic echocardiography, in order to screen for Left Ventricular Hypertrophy (LVH). Methods: We have realized a prospective study in the cardiology ward and emergency room of two hospital in the Hautes-Alpes (France), between April and May 2019. Included patients were aged over 50 years old, without any specific reason to consult. Measures of the interventricular septum were done in a double blind test. The interventricular septum was first measured by the general practitioner using the convex transducer in parasternal long axis and in apical four chamber view. The septum was then measured during the same examination by the cardiologist using the phased-array transducer in parasternal long axis. Results: 87 patients were recruited in the two hospitals, morphologic characteristics were representative of the general population. The Intra-Class Correlation of the measures between the two kinds of transducer was moderate (correlation = 0,491; IC95 : 0,306;0,641). Conclusion: This study shows an insuffisant correlation between the interventricular measures realized with the convex transducer compared to the phased-array transducer. The use of the convex abdominal transducer is therefore not an appropriate screening tool for LVH. Thus, the acquisition of a phased-array transducer is essential in order to palliate for the lack of sensibility of the electrocardiogram when screening for LVH.
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Submitted on : Thursday, November 14, 2019 - 9:53:13 AM
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Romain Rizo, Vincent Hoang. Utilisation de la sonde d'échographie abdominale dans le cadre du dépistage de l'hypertrophie ventriculaire gauche. Sciences du Vivant [q-bio]. 2019. ⟨dumas-02362844⟩



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