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Predictors of aortic dilation in patients with coarctation of the aorta: evaluation with dual-source computed tomography

Overview of attention for article published in BMC Cardiovascular Disorders, June 2018
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Title
Predictors of aortic dilation in patients with coarctation of the aorta: evaluation with dual-source computed tomography
Published in
BMC Cardiovascular Disorders, June 2018
DOI 10.1186/s12872-018-0863-8
Pubmed ID
Authors

Qin Zhao, Ke Shi, Zhi-gang Yang, Kai-yue Diao, Hua-yan Xu, Xi Liu, Ying-kun Guo

Abstract

Coarctation of aorta (CoA) may progressively develop aortic dilation at other site of the aorta and can lead to fatal aortic diseases. We aimed to evaluate the occurrence of aortic dilation and related predictors in patients with CoA using dual-source computed tomography (DSCT). Fifty-three patients with CoA identified by DSCT were retrospectively reviewed. Aortic diameters were measured at six different levels and standardized as z-scores based on the square root of body surface area. Coarctation site-diaphragm ratio (CDR) was used to describe the degree of narrowing. A total of 26 patients were included in mild group (CDR > 50%) and 27 in severe group (CDR < 50%) according to the severity of coarctation. Student's t-test and Spearman correlation coefficients, univariate and multivariable logistic regression analyses were used to assess the risk factors including age, degree of narrowing and other malformations for aortic dilation. Severe group had significantly larger z-scores of ascending aorta (2.41 ± 0.39 vs. 2.10 ± 0.57, p < 0.05) and post-coarctation aorta (2.17 ± 0.48 vs. 1.68 ± 0.43, p < 0.001) compared with mild group. Degree of coarctation was associated with the z-scores of the ascending aorta (r = - 0.356, p < 0.05) and post-coarctation aorta (r = - 0.414, p < 0.05). Collateral circulation was related to the z-scores of ascending aorta (r = 0.375, p < 0.05). Increased severity of coarctation was independent predictor of ascending (odds ratio 7.46; 95% CI 1.19-46.76; p < 0.05) and post-coarctation aortic dilation(odds ratio 8.42; 95% CI 1.84-38.56; p < 0.05). Ascending and post-coarctation aortic diameters or dilations were both associated with the degree of coarctation. By comprehensively evaluating the aortic diameters and associated malformations including collateral circulation, DSCT can aid in stratification of risk for aortic dilation in patients with CoA.

Twitter Demographics

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Mendeley readers

The data shown below were compiled from readership statistics for 20 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 20 100%

Demographic breakdown

Readers by professional status Count As %
Student > Doctoral Student 3 15%
Student > Master 3 15%
Student > Bachelor 3 15%
Unspecified 2 10%
Student > Postgraduate 2 10%
Other 2 10%
Unknown 5 25%
Readers by discipline Count As %
Medicine and Dentistry 10 50%
Unspecified 2 10%
Nursing and Health Professions 1 5%
Materials Science 1 5%
Computer Science 1 5%
Other 0 0%
Unknown 5 25%

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 25 June 2018.
All research outputs
#8,233,453
of 13,133,585 outputs
Outputs from BMC Cardiovascular Disorders
#436
of 831 outputs
Outputs of similar age
#160,136
of 268,779 outputs
Outputs of similar age from BMC Cardiovascular Disorders
#1
of 1 outputs
Altmetric has tracked 13,133,585 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 831 research outputs from this source. They receive a mean Attention Score of 3.6. This one is in the 36th percentile – i.e., 36% 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 268,779 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 31st percentile – i.e., 31% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 1 others from the same source and published within six weeks on either side of this one. This one has scored higher than all of them