Evidence map›Paper›PMID 30473174›Full record

ArticleUltrasound in medicine & biology2019

Quantitative Ultrasound Biomarkers Based on Backscattered Acoustic Power: Potential for Quantifying Remodeling of the Human Cervix during Pregnancy.

Quinton W Guerrero, Helen Feltovich, Ivan M Rosado-Mendez, Lindsey C Carlson, Timothy J Hallcor

Open access · greenAbstract readEvaluation Study
In one paragraph

Article in Ultrasound in medicine & biology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed
1.9field-weighted citation impact, top 14% of its field
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

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

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

11 citing papers in PubMed, 22 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
  4. Review
  5. Analytic Global Regularized Backscatter Quantitative Ultrasound.IEEE transactions on ultrasonics, ferroelectrics, and frequency control · 2021
    Article
  6. Article
  7. Article
  8. Article
  9. Article
  10. Article
  11. Immunobiology of Cervix Ripening.Frontiers in immunology · 2019
    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

5 authors at 3 institutions in 1 country.

Quinton W GuerreroMedical Physics Department, University of Wisconsin, Madison, Wisconsin, USA.
Helen FeltovichMedical Physics Department, University of Wisconsin, Madison, Wisconsin, USA; Maternal Fetal Medicine Department, Intermountain Healthcare, Provo, Utah, USA.
Ivan M Rosado-MendezMedical Physics Department, University of Wisconsin, Madison, Wisconsin, USA.
Lindsey C CarlsonMedical Physics Department, University of Wisconsin, Madison, Wisconsin, USA; Maternal Fetal Medicine Department, Intermountain Healthcare, Provo, Utah, USA.
Timothy J HallcorMedical Physics Department, University of Wisconsin, Madison, Wisconsin, USA. Electronic address: tjhall@wisc.edu.
Intermountain Healthcare · USUniversity of Wisconsin–Madison · USUniversity of Wisconsin System · US

Funding

U.W. RADIOLOGICAL SCIENCES TRAINING PROGRAMT32CA009206 · NCI · UNIVERSITY OF WISCONSIN-MADISON · PI Bryan Patrick Bednarz · 1985 to 2026
$12.1M
Monitoring Changes in Cervical Microstructure During PregnancyR01HD072077 · NICHD · UNIVERSITY OF WISCONSIN-MADISON · PI FELTOVICH, HELEN, HALL, TIMOTHY J · 2013 to 2022
$6.1M
EASI: Shear Wave Elastography Assessment For Predicting Success Of Labor InductionR01HD096361 · NICHD · UNIVERSITY OF WISCONSIN-MADISON · PI FELTOVICH, HELEN, GROBMAN, WILLIAM ADAM · 2018 to 2020
$1.7M
Quantifying Cervical Softness with Elasticity ImagingR21HD063031 · NICHD · UNIVERSITY OF WISCONSIN-MADISON · PI FELTOVICH, HELEN, HALL, TIMOTHY J · 2010 to 2011
$415k
Detecting changes in cervical microstructure with quantitative ultrasoundR21HD061896 · NICHD · UNIVERSITY OF WISCONSIN-MADISON · PI HALL, TIMOTHY J · 2009 to 2010
$395k
NCI NIH HHS T32 CA009206NICHD NIH HHS R01 HD072077NICHD NIH HHS R01 HD096361NICHD NIH HHS R21 HD061896NICHD NIH HHS R21 HD063031
6 · The paper itself

Abstract

As pregnancy progresses, the cervix remodels from a rigid structure to one pliable enough to allow delivery of a fetus, a process that involves progressive disorganization of cervical microstructure. Quantitative ultrasound biomarkers that may detect this process include those derived from the backscattered echo signal, namely, acoustic attenuation and backscattered power loss. We recently reported that attenuation and backscattered power loss are affected by tissue anisotropy and heterogeneity in the ex vivo cervix. In this study, we compared attenuation and backscattered power difference in a group of women in early pregnancy (first trimester) with those in a group in late pregnancy (third trimester). We observed a significant decrease in the backscattered power difference in late as compared with early pregnancy, suggesting decreased microstructural organization in late pregnancy, a finding that is consistent with animal models of cervical remodeling. In contrast, we found no difference in attenuation between the time points. These results suggest that the backscattered power difference, but perhaps not attenuation, may be a useful clinical biomarker of cervical remodeling.

Indexed as

AcousticsAdultBiomarkersCervix UteriCross-Sectional StudiesEvaluation Studies as TopicFemaleHumansPregnancyUltrasonicsUltrasonographyBiomarkersAnisotropyCervixUltrasound backscatter

Identifiers

PMID30473174
PMCPMC6324963
OpenAlexW2900695523

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.