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BioMed Central, BMC Cardiovascular Disorders, 1(14), 2014

DOI: 10.1186/1471-2261-14-147

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Prevalence, associated factors and management implications of left ventricular outflow tract obstruction in takotsubo cardiomyopathy: a two-year, two-center experience

Journal article published in 2014 by Ole De Backer ORCID, Philippe Debonnaire, Sofie Gevaert ORCID, Luc Missault, Peter Gheeraert, Luc Muyldermans
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

Background: Some patients with Takotsubo cardiomyopathy (TTC) develop cardiogenic shock due to left ventricular outflow tract (LVOT) obstruction -there is, however, a paucity of data regarding this condition. Methods: Prevalence, associated factors and management implications of LVOT obstruction in TTC was explored, based on two-year data from two Belgian heart centres. Results: A total of 32 patients with TTC were identified out of 3,272 patients presenting with troponin-positive acute coronary syndrome. In six patients diagnosed with TTC (19%), a significant LVOT obstruction was detected by transthoracic echocardiography. Patients with LVOT obstruction were older and had more often septal bulging, and presented more frequently in cardiogenic shock as compared to those without LVOT obstruction (P