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Chronic vagus nerve stimulation improves left ventricular function in a canine model of chronic mitral regurgitation

Overview of attention for article published in Journal of Translational Medicine, November 2014
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Title
Chronic vagus nerve stimulation improves left ventricular function in a canine model of chronic mitral regurgitation
Published in
Journal of Translational Medicine, November 2014
DOI 10.1186/s12967-014-0302-2
Pubmed ID
Authors

Haiwen Yu, Min Tang, Jun Yu, Xiaohong Zhou, Lepeng Zeng, Shu Zhang

Abstract

BackgroundAutonomic dysfunction, characterized by sympathetic activation and vagal withdrawal, contributes to the progression of heart failure (HF). We hypothesized that chronic vagus nerve stimulation (VNS) could prevent left ventricular (LV) remodeling and dysfunction in a canine HF model induced by chronic mitral regurgitation (MR).Methods and resultsAfter the MR inducing procedure, 12 survived canines were randomly divided into the control (n¿=¿6) and the VNS (n¿=¿6) groups. At month 2, a VNS stimulator system was implanted in all canines. From month 3 to month 6, VNS therapy was applied in the VNS group but not in the control group. At month 6, compared with the control group, the canines in VNS group had significantly higher cardiac output (2.3¿±¿0.3 versus 2.9¿±¿0.4 L/min, P¿<¿0.05 , LV forward stroke volume (20.1¿±¿3.7 versus 24.8¿±¿3.9 ml, P¿<¿0.05), and end-systolic stiffness constant (2.2¿±¿0.3 versus 2.7¿±¿0.3, P¿<¿0.05). NT-proBNP and C-reactive protein were decreased significantly in the VNS group. However, no statistical difference was found in LV ejection fraction, LV end-diastolic dimension, LV end-diastolic volume, myocyte cross-sectional area, or collagen volume fraction between two groups.ConclusionsChronic VNS therapy may ameliorate MR-induced LV contractile dysfunction and improve the expression of biomarkers, but has less effect in improving LV chamber remodeling.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 28 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 28 100%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 5 18%
Student > Ph. D. Student 5 18%
Researcher 4 14%
Student > Postgraduate 2 7%
Student > Master 1 4%
Other 1 4%
Unknown 10 36%
Readers by discipline Count As %
Medicine and Dentistry 6 21%
Neuroscience 4 14%
Engineering 2 7%
Agricultural and Biological Sciences 2 7%
Psychology 1 4%
Other 1 4%
Unknown 12 43%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 05 November 2014.
All research outputs
#20,242,136
of 22,769,322 outputs
Outputs from Journal of Translational Medicine
#3,305
of 3,982 outputs
Outputs of similar age
#218,767
of 262,191 outputs
Outputs of similar age from Journal of Translational Medicine
#72
of 97 outputs
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