ArticleEuropean journal of nuclear medicine and molecular imaging2014
Impact of right-ventricular apical pacing on the optimal left-ventricular lead positions measured by phase analysis of SPECT myocardial perfusion imaging.
Article in European journal of nuclear medicine and molecular imaging, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Clinical impacts of scar reduction on gated myocardial perfusion SPECT after cardiac resynchronization therapy.Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology · 2022Article
- Left-ventricular dyssynchrony in viable myocardium by myocardial perfusion SPECT is predictive of mechanical response to CRT.Annals of nuclear medicine · 2021Article
- Prognostic value of phase analysis on gated single photon emission computed tomography in patients with cardiac sarcoidosis.Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology · 2021Article
- 2019 Focused Update of the Guidelines of the Taiwan Society of Cardiology for the Diagnosis and Treatment of Heart Failure.Acta Cardiologica Sinica · 2019Review
- Impact of cardiac reverse remodeling after cardiac resynchronization therapy assessed by myocardial perfusion imaging on ventricular arrhythmia.Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology · 2017Article
- Observational
- Biventricular pacing in heart failure: right is not wrong!European journal of nuclear medicine and molecular imaging · 2014Article
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8 authors.
Funding
Abstract
purposeThe use of SPECT phase analysis to optimize left-ventricular (LV) lead positions for cardiac resynchronization therapy (CRT) was performed at baseline, but CRT works as simultaneous right ventricular (RV) and LV pacing. The aim of this study was to assess the impact of RV apical (RVA) pacing on optimal LV lead positions measured by SPECT phase analysis.
methodsThis study prospectively enrolled 46 patients. Two SPECT myocardial perfusion scans were acquired under sinus rhythm with complete left bundle branch block and RVA pacing, respectively, following a single injection of (99m)Tc-sestamibi. LV dyssynchrony parameters and optimal LV lead positions were measured by the phase analysis technique and then compared between the two scans.
resultsThe LV dyssynchrony parameters were significantly larger with RVA pacing than with sinus rhythm (p ~0.01). In 39 of the 46 patients, the optimal LV lead positions were the same between RVA pacing and sinus rhythm (kappa = 0.861). In 6 of the remaining 7 patients, the optimal LV lead positions were along the same radial direction, but RVA pacing shifted the optimal LV lead positions toward the base.
conclusionThe optimal LV lead positions measured by SPECT phase analysis were consistent, no matter whether the SPECT images were acquired under sinus rhythm or RVA pacing. In some patients, RVA pacing shifted the optimal LV lead positions toward the base. This study supports the use of baseline SPECT myocardial perfusion imaging to optimize LV lead positions to increase CRT efficacy.
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