Motor-Car Accidents During Pregnancy

Pepperell, R. J.; Rubinstein, Eli A.; MacISAAC, I. A.

doi:10.1097/00006254-197710000-00010

Cited by 17 publications

(22 citation statements)

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“…1,2 It is well recognized that lethal placental or fetal injury can occur without signs of maternal injury. 3,4 Fetal brain injury may result from direct trauma 5 or indirectly from circulatory disturbance following placental abruption. If immediate delivery ensues, acute brain injury may be confirmed clinically and on brain imaging.…”

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confidence: 99%

Cerebral palsy after maternal trauma in pregnancy

Hayes

Ryan

Stephenson

et al. 2007

Develop Med Child Neuro

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Ten children (six males, four females) with spastic (n=9) and mixed spastic‐dyskinetic (n=1) cerebral palsy were born at term to mothers who earlier in the pregnancy had been involved in accidents without suffering overt abdominal injury, placental abruption, or premature onset of labour. At follow‐up (at ages 2‐24y), Gross Motor Function Classification System levels were II (n=7) and V (n=3). Cognitive level was normal in five patients, while learning disability was mild to moderate in two and severe in three. Magnetic resonance imaging of the brain in all children, assessed blind to the dates of maternal trauma in pregnancy, showed lesions consistent with prenatal vascular insult at the time of the trauma. Feasible mechanisms of brain injury include reduced placental blood flow and/or placental embolization.

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confidence: 99%

Cerebral palsy after maternal trauma in pregnancy

Hayes

Ryan

Stephenson

et al. 2007

Develop Med Child Neuro

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“…The model is a hybrid multibody and finite element one. A finite element layer of fat encloses the outer surface of the finite element uterus with a placenta at the fundal position as this is the most common placental position [13]. The inner surface of the uterus using quad elements was meshed first, and then the elements were mapped to the outer surface to create the uterus.…”

Section: The Pregnant Occupant Model: 'Expecting'mentioning

confidence: 99%

The effect of including a fetus in the uterus model on the risk of fetus mortality through drop test and frontal crash simulations

Açar

Meric

Acar

2016

International Journal of Crashworthiness

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“…The abdomen may be different not only from one woman to another but also from one pregnancy to another for the same woman. In approximately 80 % of pregnancies, the placenta is located in the upper region (fundus) of the uterus (Pepperell et al, [12] ) hence the previous studies focused on the fundus location of the placenta only (Rupp et al, [11] and Acar and Esat [3] ) However, placenta can be attaced anywhere on the inner surface of the uterus wall, such as anterior or posterior, lateral left or lateral right. Placenta may also be attached to the uterine wall covering cervix however, this is very rare, occurring in less than 1% of all pregnancies.…”

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confidence: 99%

The effect of placenta location on the safety of pregnant driver and her fetus

Açar

Meric

2016

International Journal of Crashworthiness

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Citation: ACAR, B. and MERIC, M., 2016. The effect of placenta location on the safety of pregnant driver and her fetus. International Journal of Crashworthiness, 22 (2), pp.163-168. ABSTRACTPlacental abruption accounts for more than half of fetal mortality in automobile collisions. In most of the pregnancies, placenta is located at the fundus position of the uterus. However, in real life, placenta can also be found at different locations in the uterus.The goal of this study is to investigate whether the location of the placenta in the uterus of pregnant driver has a role on the risk of placental abruption in motor vehicle accidents. In addition to the most common fundus position, four other placental locations namely, anterior, posterior, lateral left and lateral right, are considered within the computational pregnant driver model 'Expecting', and used in collision simulations with impact severities from 15 kph to 30 kph with 5kph increments. Scenarios also include four cases where the pregnant driver is fully restrained with three-point seatbelt and airbag, three-point seatbelt only, airbag only and no-restraint at all.The maximum strains developed in the utero-placental interface (UPI) of the model in this set of 64 simulations together with the fundus-location simulations are determined and compared in order to investigate the effect of placental location on the placental abruption prediction.Placenta located at anterior position is found to be at higher risk than other placental positions considered in this investigation. The results demonstrate that being fully restrained is the safest option and the three-point seatbelt is the most effective restraint system whilst the airbag makes a small contribution to the protection of pregnant driver and her fetus.

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Motor-Car Accidents During Pregnancy

Cited by 17 publications

References 0 publications

Cerebral palsy after maternal trauma in pregnancy

Cerebral palsy after maternal trauma in pregnancy

The effect of including a fetus in the uterus model on the risk of fetus mortality through drop test and frontal crash simulations

The effect of placenta location on the safety of pregnant driver and her fetus

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