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February 7, 2014EP Europace189 citationsOpen Access

His or para-His pacing preserves left ventricular function in atrioventricular block: a double-blind, randomized, crossover study

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MKM. B. KronborgPMPeter MortensenSPSteen Hvitfeldt Poulsen

Key Points

  • Compare the 12-month effects of His or para-His pacing versus right ventricular septal pacing on left ventricular ejection fraction and mechanical synchrony in patients with atrioventricular block.
  • Double-blind, randomized crossover trial design.

Structured PICO

Does His or para-His pacing preserve LVEF and mechanical synchrony compared to RVSP in patients with AVB, narrow QRS, and LVEF > 0.40?

P
Population
Patients with atrioventricular block (AVB), narrow QRS, and LVEF > 0.40
I
Intervention
His or para-His pacing
C
Comparator
Right ventricular septal pacing (RVSP)
O
Outcome
Left ventricular ejection fraction (LVEF) and mechanical synchronysurrogate

In patients with AV block and preserved ejection fraction, His or para-His pacing better preserves left ventricular function and mechanical synchrony at 12 months compared to right ventricular septal pacing.

Abstract

His or para-His pacing preserves LVEF and mechanical synchrony as compared with RVSP after 12 months pacing in patients with AVB, narrow QRS, and LVEF > 0.40.

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Cite This Study

Kronborg et al. (2014) studied this question.

synapsesocial.com/papers/69d56ce975589c71d767ce94https://doi.org/10.1093/europace/euu011
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