Evidence map›Paper›PMID 35295253›Full record

ArticleFrontiers in cardiovascular medicine2022

Maturation Fetus Ascending Aorta Elastic Properties: Circumferential Strain and Longitudinal Strain by Velocity Vector Imaging.

Xin Zhong, Yuanchen Luo, Dan Zhou, Minghui Liu, Jiawei Zhou, Ran Xu, Shi Zeng

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PubMed Full text at PMC Publisher
In one paragraph

Article in Frontiers in cardiovascular medicine, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

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Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

2 citing papers in PubMed.

  1. Article
  2. Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors.

Xin ZhongDepartment of Ultrasound, Hunan Provincial People's Hospital (The First Affiliated Hospital of Hunan Normal University), Changsha, China.
Yuanchen LuoDepartment of Ultrasound Diagnosis, The First Hospital of Changsha, Changsha, China.
Dan ZhouDepartment of Ultrasound Diagnosis, The Second Xiangya Hospital, Central South University, Changsha, China.
Minghui LiuDepartment of Ultrasound Diagnosis, The Second Xiangya Hospital, Central South University, Changsha, China.
Jiawei ZhouDepartment of Ultrasound Diagnosis, The Second Xiangya Hospital, Central South University, Changsha, China.
Ran XuDepartment of Ultrasound Diagnosis, The Second Xiangya Hospital, Central South University, Changsha, China.
Shi ZengDepartment of Ultrasound Diagnosis, The Second Xiangya Hospital, Central South University, Changsha, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Objective: This study aimed to assess the circumferential and longitudinal strain of the fetal ascending aortic (AA) wall and establish a gestational age-associated longitudinal reference for aortic wall strain during the second half of pregnancy. Methods: Singleton fetuses with gestational age (GA) at 20 + 0 to 24 + 6 weeks were prospectively collected from a low-risk population. Global circumferential strain (GCS) and mean longitudinal strain (MLS) of the ascending aorta were measured serially at 4-week intervals using the velocity vector imaging (VVI) technique. Fractional polynomials were conducted to obtain the best-fitting curves between GA and AA strains. GA-specific reference percentiles of GCS and MLS were established by multilevel modeling. Results: A total of 223 fetuses with a total of 1,127 serial observations were enrolled. GCS presented a second-degree fractional polynomial smoothing regression along GA ( Conclusion: The fetal ascending aorta wall demonstrates obviously greater circumferential strain than longitudinal strain. Both strains remained steady before the late trimester and then gradually increased until delivery, suggesting progressive maturation of aortic elasticity mechanics.

Indexed as

aortic elasticity mechanicsfetusspeckle tracking techniquestrainvelocity vector image technique

Identifiers

PMID35295253
PMCPMC8918822

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