Walter Carr1, Elena Polejaeva, Anna Grome, Beth Crandall, Christina LaValle, Stephanie E Eonta, Lee Ann Young. 1. Department of Behavioral Biology, Walter Reed Army Institute of Research, Silver Spring, Maryland (Dr Carr and Mss LaValle and Eonta); Department of Neurotrauma, Naval Medical Research Center, Silver Spring, Maryland (Ms Polejaeva); and Applied Research Associates, Albuquerque, New Mexico (Mss Grome, Crandall, and Young).
Abstract
OBJECTIVE: To investigate anecdotal reports suggesting that repeated exposure to low-level explosive blast has myriad health impacts, including an array of neurological effects. PARTICIPANTS: A total of 184 anonymous survey respondents from military and nonmilitary law enforcement populations (135 exposed to occupational blast and 49 controls). DESIGN: Survey of self-reported history of occupational exposure to repeated low-level blast (breaching blast) and symptomology similar to concussion. RESULTS: Findings suggest that number and severity of symptoms increase with history of chronic blast exposure (F = 18.26, P < .001) and that symptoms can interfere with daily activity (t = 2.60, P = .010). CONCLUSION: Given the prevalence of repeated exposure to blast among some military and civilian law enforcement occupations, the results of this survey study support a role for blast surveillance programs as well as continued research on health impacts of low-level repeated blast exposure.
OBJECTIVE: To investigate anecdotal reports suggesting that repeated exposure to low-level explosive blast has myriad health impacts, including an array of neurological effects. PARTICIPANTS: A total of 184 anonymous survey respondents from military and nonmilitary law enforcement populations (135 exposed to occupational blast and 49 controls). DESIGN: Survey of self-reported history of occupational exposure to repeated low-level blast (breaching blast) and symptomology similar to concussion. RESULTS: Findings suggest that number and severity of symptoms increase with history of chronic blast exposure (F = 18.26, P < .001) and that symptoms can interfere with daily activity (t = 2.60, P = .010). CONCLUSION: Given the prevalence of repeated exposure to blast among some military and civilian law enforcement occupations, the results of this survey study support a role for blast surveillance programs as well as continued research on health impacts of low-level repeated blast exposure.
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