English

DTIC ADA324156: Echocardiography in NATO Aircrew - A Multi-National Study (L'Echocardiographie Chez les Pilotes de l'OTAN - une etude multinationale).

Based on physiologic considerations and observations in animal experiments, a serious concern was raised: that repeated exposures to increased radial acceleration forces (+Gz) might have a deleterious effect on the pilot' 5 heart. This concern was supported by the results of a preliminary echocardiographic (heart ultrasound) study carried out by French researchers and reported to AGARD in 1985. There were a number of uncontrolled variables in that initial study, including the amount of exercise and smoking. The investigators cautioned against forming any definite conclusion and recommended further studies.

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