Why the study?
Does global longitudinal strain using speckle tracking imaging aid in the early recognition of apical ballooning syndrome?
Does global longitudinal strain using speckle tracking imaging aid in the early recognition of apical ballooning syndrome?
Global longitudinal strain imaging may provide a distinct, easily recognizable pattern to help differentiate apical ballooning syndrome from acute LAD myocardial infarction early in presentation.
Distinct GLS polar map pattern may aid early differentiation of apical ballooning from LAD MI; hypothesis-generating, needs prospective validation.
We report 4 cases of patients diagnosed with stress-induced cardiomyopathy and the pattern of typical apical ballooning syndrome (ABS), who presented to our institution with chest pain, mildly elevated cardiac enzymes and ischemic electrocardiographic changes, found to have severe hypokinesis or akinesis of the mid to apical segments with dynamic basal segments on two-dimensional (2D) echocardiography along with a global longitudinal strain (GLS) pattern markedly different from the typical left anterior descending artery (LAD) myocardial infarction pattern. All of them had a similar GLS pattern on presentation, which was easy to recognize on the polar map the day of the event. Three of the patients underwent left heart catheterization and found to have nonobstructive coronary artery disease (CAD). We discuss the usefulness of early recognition of ABS using GLS images.
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Sosa et al. (2015) studied this question.
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