Evidence map›Paper›PMID 36360785›Full record

ArticleInternational journal of environmental research and public health2022

Severity of Placental Abruption in Restrained Pregnant Vehicle Drivers: Correct Seat Belt Use Confirmed by Finite Element Model Analysis.

Katsunori Tanaka, Yasuki Motozawa, Kentaro Takahashi, Tetsuo Maki, Mami Nakamura, Masahito Hitosugi

Open access · goldAbstract read
In one paragraph

Article in International journal of environmental research and public health, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed
1.2field-weighted citation impact, top 21% 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

3 citing papers in PubMed, 6 citations in OpenAlex.

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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

6 authors at 2 institutions in 1 country.

Katsunori TanakaDepartment of Legal Medicine, Shiga University of Medical Science, Otsu 520-2192, Japan.
Yasuki MotozawaDepartment of Legal Medicine, Shiga University of Medical Science, Otsu 520-2192, Japan.
Kentaro TakahashiHino Memorial Hospital, Hino 529-1642, Japan.
Tetsuo MakiDepartment of Mechanical Engineering, Tokyo City University, Tokyo 158-8557, Japan.
Mami NakamuraDepartment of Legal Medicine, Shiga University of Medical Science, Otsu 520-2192, Japan.
Masahito HitosugiDepartment of Legal Medicine, Shiga University of Medical Science, Otsu 520-2192, Japan.ORCID 0000-0001-5243-8766
Shiga University of Medical Science · JPTokyo City University · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Despite wearing a seat belt, pregnant drivers often suffer from negative fetal outcomes in the event of motor accidents. In order to maintain the safety of pregnant drivers and their fetuses, we assessed the severity of placental abruption caused by motor vehicle collisions using computer simulations. We employed a validated pregnant finite element model to determine the area of placental abruption. We investigated frontal vehicle collisions with a speed of 40 km/h or less involving restrained pregnant drivers with a gestational age of 30 weeks. For a crash speed of 40 km/h, the placental abruption area was 7.0% with a correctly positioned lap belt across the lower abdomen; it was 36.3% with the belt positioned at the umbilicus. The area of placental abruption depended on collision speed, but we found that with a correctly positioned belt it likely would not lead to negative fetal outcomes. We examined the effects on placental abruptions of reconfiguring seat belt width and force limiter setting. A wider lap belt and lower force limiter setting reduced the area of placental abruption to 3.5% and 1.1%, respectively; however, they allowed more forward movement upon collision. A 2.5 kN force limiter setting may be appropriate with respect to both forward movement and reduced placental abruption area. This study confirmed the importance of correctly using seat belts for pregnant drivers. It provides valuable evidence about improving safety equipment settings.

Indexed as

Abruptio PlacentaeSeat BeltsAccidents, TrafficFemaleFinite Element AnalysisHumansInfantPlacentaPregnancyanterior superior iliac spinefinite element modelmotor vehicle collisionnumerical simulationplacental abruptionpregnant womensafety equipmentseat beltsled test

Identifiers

PMID36360785
PMCPMC9656600
OpenAlexW4307548882

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.