Impact injuries in pregnancy. I, Experimental studies.

Crosby, Warren M.; Snyder, Richard G.; Snow, Clyde C.; Hanson, Peter G.; United States. Office of Aviation Medicine

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Impact injuries in pregnancy. I, Experimental studies.

1968-03-01
By Crosby, Warren M. ; Snyder, Richard G. ; Snow, Clyde C. ; ...

[PDF-995.02 KB]

English

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Creators:

Crosby, Warren M. ; Snyder, Richard G. ; Snow, Clyde C. ; Hanson, Peter G.

Crosby, Warren M. ; Snyder, Richard G. ; Snow, Clyde C. ; Hanson, Peter G. Less -
Corporate Creators:

United States. Office of Aviation Medicine
Subject/TRT Terms:

[+]

Abdomen Abdomen--Wounds And Injuries Acceleration (Mechanics) Aircraft Accidents Air Transportation Crashes Arteries Baboons Baboons As Laboratory Animals Bleeding Blood Flow Blood Pressure Bradycardia Brain Brain--Hemorrhage Compression Crash Injuries Crash Injuries--Research Crash Tests Deceleration Electrocardiography Electrodes Experiments Fatalities Fetal Death Fetus Flowmeters Flow Meters Head Heart Beat Heart Rate Hypotension Laboratory Animals Oscillographs Pelvis Pelvis--Wounds And Injuries Placenta Pregnant Women Pressure Pressure Transducers Safety Harness (Aeronautics) Seat Belts Shock Skull--Fractures Skull Fractures Sled Tests Three Point Restraint Systems Uterus
Publication/ Report Number:

AM 68-6 ; DOT/FAA/AM-68/06

AM 68-6 ; DOT/FAA/AM-68/06 Less -
Resource Type:

Tech Report
Geographical Coverage:

United States
Corporate Publisher:

Civil Aerospace Medical Institute
Abstract:

Eleven pregnant baboons were subjected to experimental impacts. Variables included 20-, 33-, and 40-G levels of decelerative forces; forward and rearward facing seats; lap belt and lap belt plus shoulder harness restraint; and seat pans tilted 20 degrees and 45 degrees. At the 20-G level, maternal injuries were minimal. Fetal death occurred in association with traumatic head injury, placental separation, and maternal shock.

No attempt was made to compare fetal survival between restraint systems because the number of available animals was small and because the surgical procedures resulted in fetal death in the absence of deceleration. Pregnant women should wear lap belts to prevent ejection from the vehicle, but it should be securely placed across the pelvis and not over the fundus. The high rate of fetal and placental injury in this study indicates that additional restraint may be necessary to reduce the snubbing action of the lap belt.
Format:

PDF
Collection(s):

FAA Civil Aerospace Medical Institute US Transportation Collection
Main Document Checksum:

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urn:sha256:22a3a9554d227e5cf42f97beffbad9a62a24d878c84e486c2f30c36d0ecf6fa8
Download URL:

https://rosap.ntl.bts.gov/view/dot/20844/dot_20844_DS1.pdf
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Impact injuries in pregnancy. I, Experimental studies.

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