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Deformation pattern and predictive value of right ventricular longitudinal strain in children with pulmonary arterial hypertension

Overview of attention for article published in Cardiovascular Ultrasound, January 2016
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  • Above-average Attention Score compared to outputs of the same age and source (57th percentile)

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Title
Deformation pattern and predictive value of right ventricular longitudinal strain in children with pulmonary arterial hypertension
Published in
Cardiovascular Ultrasound, January 2016
DOI 10.1186/s12947-016-0074-3
Pubmed ID
Authors

Iolanda Muntean, Iolanda Muntean, Theodora Benedek, Mihaela Melinte, Carmen Suteu, Rodica Togãnel

Abstract

Right ventricular function has been identified as an important prognostic factor in children with pulmonary arterial hypertension. The aim of the study was to assess the deformation pattern and prognostic value of right ventricular longitudinal strain in children with pulmonary arterial hypertension. We prospectively evaluated 46 children (25 with pulmonary arterial hyperetension and 21 age and sex matched controls) using conventional and speckle-tracking echocardiography, brain natriuretic peptide levels and clinical status expressed by WHO functional class and 6-min walking test. According to the clinical status after 12 months of follow-up, the pulmonary arterial hypertension patients were divided in two groups: non-worsening (13) and worsening (12). Right ventricular free wall longitudinal strain and strain rate were significantly lower in children with PAH compared with controls (-24.72 ± 3.48 vs -15.60 ± 3.40, p = 0.0001 and -1.44 ± 0.09 vs -1.09 ± 0.15, p = 0.0001, respectively). There was a more expressed decrease of basal than apical region of right ventricular free wall longitudinal strain/strain rate in pulmonary arterial hypertension patients compared with controls (strain: p = 0.0001 vs p = 0.07 and strain rate: p = 0.0001 vs p = 0.002). Comparing worsening and non-worsening pulmonary arterial hypertension patients there was a significant difference in Mid right ventricular free wall longitudinal strain (-14.00 ± 3.13 vs. -20.76 ± 4.62, p = 0.0001). In multivariable logistic regression analysis Mid right ventricular free wall longitudinal strain was an independent predictor of worsening in pulmonary arterial hypertension children (OR 0.45; 95 % CI: 0.21-0.96, p = 0.041). In ROC curve analysis a cut-off value of Mid right ventricular free wall longitudinal strain of -18.50 % predicted clinical worsening in pulmonary arterial hypertension children, with a sensitivity and specificity of 91.7 and 30.8 %, respectively (area under curve = 0.88 ± 0.06, 95 % CI: 0.75-1.00, p = 0.001). Two-dimensional speckle-tracking echocardiography is a complementary non-invasive tool for assessment of right ventricular function in children with severe pulmonary arterial hypertension, allowing also clinical prediction and segmental analysis of right ventricular myocardial performance in these patients.

Twitter Demographics

The data shown below were collected from the profiles of 2 tweeters who shared this research output. Click here to find out more about how the information was compiled.

Mendeley readers

The data shown below were compiled from readership statistics for 39 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 39 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 6 15%
Researcher 6 15%
Student > Bachelor 3 8%
Student > Postgraduate 3 8%
Student > Master 3 8%
Other 6 15%
Unknown 12 31%
Readers by discipline Count As %
Medicine and Dentistry 18 46%
Nursing and Health Professions 2 5%
Philosophy 1 3%
Biochemistry, Genetics and Molecular Biology 1 3%
Sports and Recreations 1 3%
Other 1 3%
Unknown 15 38%

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 01 August 2016.
All research outputs
#12,410,479
of 18,880,385 outputs
Outputs from Cardiovascular Ultrasound
#172
of 291 outputs
Outputs of similar age
#157,749
of 272,933 outputs
Outputs of similar age from Cardiovascular Ultrasound
#2
of 7 outputs
Altmetric has tracked 18,880,385 research outputs across all sources so far. This one is in the 23rd percentile – i.e., 23% of other outputs scored the same or lower than it.
So far Altmetric has tracked 291 research outputs from this source. They receive a mean Attention Score of 3.8. This one is in the 24th percentile – i.e., 24% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 272,933 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 33rd percentile – i.e., 33% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 7 others from the same source and published within six weeks on either side of this one. This one has scored higher than 5 of them.