Key result
Short atrioventricular delays (<300 ms) and right ventricular pacing caused ventriculogenic mitral valve closure, resulting in significantly higher peak velocity and isovolumic acceleration (P<0.001).
Authors
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May affect mitral inflow and tissue Doppler interpretation during RV pacing; hypothesis-generating for AV optimization.
p-value: p=<0.001
Decloedt et al. (2012) studied this question. Short AV delays (<300 ms) and right ventricular pacing vs. Sinus rhythm and long AV delays (≥300 ms) was evaluated on Peak velocity and isovolumic acceleration (p=<0.001). Short atrioventricular delays (<300 ms) and right ventricular pacing caused ventriculogenic mitral valve closure, resulting in significantly higher peak velocity and isovolumic acceleration (P<0.001).
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