Fatores associados ao tempo de permanência em atividade dos militares trajando Equipamento de Proteção Individual contra Agentes Nucleares, Biológicos, Químicos e Radiológicos

The objective of this study was to investigate the factors that can increase or decrease the time in which the military can remain in activity using the Personal Protective Equipment (PPE), as well as provide assistance to decision-makers at the tactical level that the influences can be decisive for the time in the field fulfilling the different missions of Nuclear, Biological, Chemical, and Radiological Defense (DefNBQR). This analysis is a review of the literature whose reviewed articles presented as influencing factors in the tolerance time, to a greater degree, the state of hydration prior to the activity, the climate, the physical demand of the task, and the type of PPE; and, to a lesser extent, aerobic condition, sex, body composition, and acclimatization. The effectiveness of extra and intracorporeal cooling methods in prolonging the length of stay was also observed.