NTL Record

Title Impact injuries in pregnancy. I, Experimental studies.
Record ID 39018
Personal Name
Creator
Crosby, Warren M.; Snyder, Richard G.; Snow, Clyde C.; Hanson, Peter G.
Corporate Creator United States. Office of Aviation Medicine
Publisher Civil Aerospace Medical Institute
Publication Date 19680300
Language English
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.
Rosap ID dot:20844
Rosap URL https://rosap.ntl.bts.gov/view/dot/20844
TRT Terms Air transportation crashes; Seat belts; Three point restraint systems; Crash injuries; Abdomen; Pregnant women; Fetus; Deceleration; Compression; Sled tests; Crash tests; Pressure transducers; Electrocardiography; Heart rate; Electrodes; Blood pressure; Flowmeters; Fatalities; Skull fractures; Pressure; Head; Bleeding; Brain; Pelvis; Experiments; Laboratory animals; Baboons
General Subjects Aircraft accidents; Safety harness (Aeronautics); Crash injuries--Research; Pregnant women; Abdomen--Wounds and injuries; Placenta; Uterus; Fetus; Fetal death; Acceleration (Mechanics); Pressure transducers; Electrocardiography; Heart beat; Electrodes; Blood pressure; Flow meters; Arteries; Blood flow; Oscillographs; Skull--Fractures; Bradycardia; Shock; Brain--Hemorrhage; Pelvis--Wounds and injuries; Hypotension; Baboons as laboratory animals
Classification NTL - AVIATION - AVIATION;
NTL - AVIATION - Aviation Safety/Airworthiness;
NTL - SAFETY AND SECURITY - Accidents;
NTL - SAFETY AND SECURITY - Aviation Safety/Airworthiness
Geographical
Coverage
United States
Report Number AM 68-6; DOT/FAA/AM-68/06
Resource type Tech Report
URL https://ntlrepository.blob.core.windows.net/lib/39000/39000/39018/AM68-06.pdf
Format PDF
Database NTL Digital Repository