2009
DOI: 10.1093/ejechocard/jep171
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Prevalence and determinants of left ventricular systolic dyssynchrony in patients with normal ejection fraction received right ventricular apical pacing: a real-time three-dimensional echocardiographic study

Abstract: For patients with preserved EF received RVA pacing, half of them would develop systolic dyssynchrony which was associated with EF deterioration and LV enlargement. A low normal EF, a high cumulative percentage of RVA pacing, and pre-existing LV hypertrophy were predictors of developing dyssynchrony.

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Cited by 33 publications
(30 citation statements)
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“…With increasing evidence of potential adverse effects of permanent RV pacing mainly because of systolic dyssynchrony, 4,5 other pacing modalities or pacing modes are being considered. Biventricular pacing is one of the options and has been shown to be potentially superior to RV pacing even for those who require pacing but do not have a conventional indication for biventricular pacing.…”
Section: Response By Arenas Et Al On P 729mentioning
confidence: 99%
See 1 more Smart Citation
“…With increasing evidence of potential adverse effects of permanent RV pacing mainly because of systolic dyssynchrony, 4,5 other pacing modalities or pacing modes are being considered. Biventricular pacing is one of the options and has been shown to be potentially superior to RV pacing even for those who require pacing but do not have a conventional indication for biventricular pacing.…”
Section: Response By Arenas Et Al On P 729mentioning
confidence: 99%
“…patients with normal LVEF seem more resistant to the adverse effects of RV pacing, 4,5,23 but LV dysfunction is still commonly observed especially in those with frequent and long-term ventricular pacing. 38 However, the depression of LV systolic function can become manifest at an early stage and may persist after the cessation of pacing.…”
Section: Evidence Of Biventricular Pacing For Advanced Avb Patients Wmentioning
confidence: 99%
“…21,22 Therefore not every patient should be given CRT due to its high cost and relatively high complication …”
Section: Vulnerable Patients In Conventional Pacemaker Indicationsmentioning
confidence: 99%
“…Fang et al [34] studied 93 patients with sick sinus syndrome who had dual chamber pacemakers between 6 months and 13 years previously and who had a LV ejection fraction of greater than 50%. They performed 3D echocardiography during pacing and in intrinsic rhythm.…”
Section: Dyssynchrony Due To Right Ventricular Pacingmentioning
confidence: 99%