Right Ventricular Mechanical Dyssynchrony in Hypoplastic Left Heart Syndrome: Correlation with Systolic Function and QRS Duration
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DOI: 10.1007/s00246-019-02091-6
Abstract: The single right ventricle (RV) in hypoplastic left heart syndrome (HLHS) often develops systolic dysfunction with time and this affects prognosis. Mechanical dyssynchrony has been reported in HLHS but has not consistently correlated with systolic… read more here.
Keywords: qrs duration; function; mechanical dyssynchrony; dyssynchrony ... See more keywords
Spatial variance in the 12-lead ECG and mechanical dyssynchrony
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DOI: 10.1007/s10840-021-00999-9
Abstract: Electrical transmission disorders have a deleterious effect on cardiac depolarization, resulting in a disorganized ventricular contraction that reduces global mechanical efficiency; this mechanical dyssynchrony can be corrected by cardiac resynchronization therapy. However, despite adjustments in… read more here.
Keywords: mechanical dyssynchrony; variance; mechanical dispersion; spatial variance ... See more keywords
A troubled marriage: When electrical and mechanical dyssynchrony don’t go along
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DOI: 10.1007/s12350-018-1227-6
Abstract: The following editorial refers to the article published by Sillanmäki et al. titled ‘‘Relationships between electrical and mechanical dyssynchrony in patients with left bundle branch block and healthy controls’’ in the XX edition of the… read more here.
Keywords: mechanical dyssynchrony; dyssynchrony; cardiology; electrical dyssynchrony ... See more keywords
Electrical and mechanical dyssynchrony in patients with right bundle branch block
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DOI: 10.1007/s12350-018-1418-1
Abstract: Background Though fairly benign reputation, the right bundle branch block (RBBB) can cause left ventricular mechanical dyssynchrony (LVMD). Still, the relationship between electrical disturbance and LVMD is partly unclear among these patients. Methods Thirty patients… read more here.
Keywords: bundle branch; right bundle; mechanical dyssynchrony; branch block ... See more keywords
Left ventricular mechanical dyssynchrony as a target for therapy in patients with left ventricular aneurysm
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DOI: 10.1007/s12350-020-02431-7
Abstract: Left ventricular (LV) mechanical dyssynchrony (MD) represents dyskinetic myocardium or myocardial scar tissue which ‘‘pushes outwards’’ during systole, and has been shown previously to be and independent marker of poor outcome. Dyssynchronous myocardium is deleterious… read more here.
Keywords: mechanical dyssynchrony; ventricular mechanical; cardiology; myocardium ... See more keywords
Improved risk-stratification in heart failure patients with mid-range to severe abnormalities of QRS duration and systolic function using mechanical dyssynchrony assessed by myocardial perfusion-gated SPECT
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DOI: 10.1007/s12350-021-02554-5
Abstract: The use of left ventricular mechanical dyssynchrony (LVMD), which has been reported to be responsible for unfavorable outcomes, might improve conventional risk-stratification by clinical indices including QRS duration (QRSd) and systolic dysfunction in patients with… read more here.
Keywords: risk; mechanical dyssynchrony; myocardial perfusion; risk stratification ... See more keywords
Three-dimensional echocardiographic evaluation of mechanical dyssynchrony in systolic heart failure with narrow QRS complex
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DOI: 10.1016/j.ihj.2017.10.013
Abstract: Objectives To investigate the role of three-dimensional echocardiography (3DE) in evaluation of left ventricular mechanical dyssynchrony (LVMD) in heart failure (HF) patients with narrow QRS. Methods 143 subjects (70 with HF and narrow QRS, 23… read more here.
Keywords: three dimensional; mechanical dyssynchrony; dyssynchrony; narrow qrs ... See more keywords
Assessing cardiac mechanical dyssynchrony in left bundle branch area pacing and right ventricular septal pacing using myocardial perfusion scintigraphy in the acute phase of pacemaker implantation
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DOI: 10.1111/jce.15609
Abstract: Left bundle branch area pacing (LBBAP) has recently been reported to be a new, clinically feasible and safe physiological pacing strategy. The present study aims to investigate the usefulness of LBBAP in reducing mechanical dyssynchrony… read more here.
Keywords: left bundle; area pacing; mechanical dyssynchrony; branch area ... See more keywords
Effects of Mechanical Dyssynchrony on Coronary Flow: Insights From a Computational Model of Coupled Coronary Perfusion With Systemic Circulation
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DOI: 10.3389/fphys.2020.00915
Abstract: Mechanical dyssynchrony affects left ventricular (LV) mechanics and coronary perfusion. Due to the confounding effects of their bi-directional interactions, the mechanisms behind these changes are difficult to isolate from experimental and clinical studies alone. Here,… read more here.
Keywords: mechanical dyssynchrony; perfusion; coronary flow; dyssynchrony ... See more keywords