Key result
Kcne3 deletion in mice increased the incidence of sustained ventricular tachycardia during postischemic reperfusion (45.5% vs 0%, P<0.05) driven by secondary hyperaldosteronism.
Why the study?
Does Kcne3 deletion induce arrhythmogenesis through extracardiac mechanisms in a mouse model?
Does Kcne3 deletion induce arrhythmogenesis through extracardiac mechanisms in a mouse model?
Absolute Event Rate: 45.5% vs 0%
p-value: p=<0.05
Kcne3 deletion promotes arrhythmogenesis through a novel extracardiac mechanism involving secondary hyperaldosteronism and adrenal-specific lymphocyte infiltration, impairing ventricular repolarization.
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Suggests extracardiac hyperaldosteronism may promote reperfusion arrhythmias in mice; hypothesis-generating, requires human validation.
Hu et al. (2013) studied Arrhythmogenesis. Kcne3 deletion vs. Kcne3+/+ (wild-type) was evaluated on Sustained ventricular tachycardia during postischemic reperfusion (p=<0.05). Kcne3 deletion in mice increased the incidence of sustained ventricular tachycardia during postischemic reperfusion (45.5% vs 0%, P<0.05) driven by secondary hyperaldosteronism.
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