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Headaches After Concussion in US Soldiers Returning From Iraq or Afghanistan
Author(s) -
Theeler Brett J.,
Flynn Frederick G.,
Erickson Jay C.
Publication year - 2010
Publication title -
headache: the journal of head and face pain
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.14
H-Index - 119
eISSN - 1526-4610
pISSN - 0017-8748
DOI - 10.1111/j.1526-4610.2010.01700.x
Subject(s) - headaches , concussion , medicine , migraine , physical therapy , poison control , injury prevention , psychiatry , emergency medicine
( Headache 2010;50:1262‐1272) Objectives.— To determine the prevalence, characteristics, impact, and treatment patterns of headaches after concussion in US Army soldiers returning from a deployment to Iraq or Afghanistan. Methods.— A cross‐sectional study was conducted with a cohort of soldiers undergoing postdeployment evaluation during a 5‐month period at the Madigan Traumatic Brain Injury Program at Ft. Lewis, WA. All soldiers screening positive for a deployment‐related concussion were given a 13‐item headache questionnaire. Results.— A total of 1033 (19.6%) of 5270 returning soldiers met criteria for a deployment‐related concussion. Among those with a concussion, 957 (97.8%) reported having headaches during the final 3 months of deployment. Posttraumatic headaches, defined as headaches beginning within 1 week after a concussion, were present in 361 (37%) soldiers. In total, 58% of posttraumatic headaches were classified as migraine. Posttraumatic headaches had a higher attack frequency than nontraumatic headaches, averaging 10 days per month. Chronic daily headache was present in 27% of soldiers with posttraumatic headache compared with 14% of soldiers with nontraumatic headache. Posttraumatic headaches interfered with duty performance in 37% of cases and caused more sick call visits compared with nontraumatic headache. In total, 78% of soldiers with posttraumatic headache used abortive medications, predominantly over‐the‐counter analgesics, and most perceived medication as effective. Conclusions.— More than 1 in 3 returning military troops who have sustained a deployment‐related concussion have headaches that meet criteria for posttraumatic headache. Migraine is the predominant headache phenotype precipitated by a concussion during military deployment. Compared with headaches not directly attributable to head trauma, posttraumatic headaches are associated with a higher frequency of headache attacks and an increased prevalence of chronic daily headache.