Key result
Pediatric acute myocarditis is linked to ~18% lower global longitudinal strain versus healthy controls.
Why the study?
Myocarditis diagnosis is challenging in children with preserved left ventricular ejection fraction, and layer-specific strain analysis may detect subclinical myocardial dysfunction.
Does layer-specific strain analysis by 2D speckle-tracking echocardiography detect subclinical myocardial dysfunction in pediatric patients with acute myocarditis compared to healthy controls?
Case-Control (n=41)
No
Does layer-specific strain analysis by 2D speckle-tracking echocardiography detect subclinical myocardial dysfunction in pediatric patients with acute myocarditis compared to healthy controls?
Layer-specific strain analysis by 2D speckle-tracking echocardiography can detect subclinical myocardial dysfunction, particularly epicardial strain impairment, in pediatric myocarditis patients with relatively preserved ejection fraction.
Answers are grounded in this paper and cite their sources.
Layer-specific strain may detect subclinical dysfunction in pediatric myocarditis; hypothesis-generating and requires prospective validation before clinical use.
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Akgün et al. (2026) conducted a case-control in Acute myocarditis (n=41). Acute myocarditis vs. Healthy controls was evaluated on Global longitudinal strain (GLS) (p=<0.001). Pediatric patients with acute myocarditis demonstrated significantly reduced global longitudinal strain (-18.3% vs -22.2%) and impaired layer-specific strain across all layers compared to healthy controls.
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