IED Blast Postconcussive Syncope and Autonomic Dysregulation
Source: Military Medicine, Volume 177, Number 1, January 2012 , pp. 48-51(4)
Concussions are the most frequent battle injury sustained in Afghanistan. The Concussion Restoration Care Center provides multidisciplinary care to concussed service members in theater. The Concussion Restoration Care Center has managed over 500 concussions, the majority being from improvised explosive device (IED) blasts. Syncope following a concussion without a loss of consciousness is rarely reported in the literature. The pathophysiology of concussion from a blast injury may be distinct from a concussion secondary to blunt trauma. Two cases of syncope following concussions with an alteration of consciousness are presented, and a mechanism of action is proposed. Post-IED blast concussive symptom frequency at initial presentation on a cohort of patients is reported, with 1.3% of patients experiencing postconcussive syncope. Syncope following an IED blast may be related to centrally mediated autonomic dysregulation at the brain stem level. Syncope should be added to the list of possible symptoms that occur following concussions, in particular concussions following a blast injury.
Document Type: Research Article
Affiliations: 1: Department of Family Medicine, Naval Hospital Jacksonville, 2080 Child Street, Jacksonville, FL 32214. 2: Naval Medical Center Portsmouth, 620 John Paul Jones Circle, Portsmouth, VA 23708. 3: Warfighter Performance Department, Naval Health Research Center, 140 Sylvester Road, San Diego, CA 92106. 4: The Basic School, Naval Medical Clinic, 3259 Catlin Avenue, Quantico, VA 22134. 5: Sports Medicine Department, Naval Hospital Camp Lejeune, 100 Brewster Boulevard, Camp Lejeune, NC 28547.
Publication date: 2012-01-01
- Military Medicine is the Association's official monthly journal. The objective of the Journal is to promote awareness of Federal medicine by providing a forum for responsible discussion of common ideas and problems relevant to Federal healthcare. Its mission is: To increase healthcare education by providing scientific and other information to its readers; to facilitate communication; and to offer a prestige publication for members' writings.
Military Medicine's 5-year Impact Factor: 1.061
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