Epidemiology of cranial infections in battlefield-related penetrating and open cranial injuries.

J Trauma Acute Care Surg

From the Division of Neurosurgery (M.R.M., J.H.B., H.Y., B.A.D.), Walter Reed National Military Medical Center, Bethesda, Maryland; Infectious Disease Service (J.M.Y.), Brooke Army Medical Center, JBSA Fort Sam Houston, Texas; Infectious Disease Clinical Research Program, Department of Preventive Medicine and Biostatistics (E.S., F.S., L.S., D.R.T.), Uniformed Services University of the Health Sciences; Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc. (E.S., F.S., L.S., V.B.); School of Medicine, Uniformed Services University of the Health Sciences (M.M. Scanlon, M.M. Shields), Bethesda, Maryland; School of Medicine (A.K.), Georgetown University, Washington, DC; and Center for Neuroscience and Regenerative Medicine (V.B., B.D.), Uniformed Services University of the Health Sciences.

Published: August 2023

AI Article Synopsis

  • The study focuses on military personnel who sustained open and penetrating cranial injuries during conflicts in Iraq and Afghanistan from 2009 to 2014, highlighting the challenges and outcomes associated with these injuries.
  • Out of 106 subjects, 11.3% developed intracranial infections post-injury, with a median diagnosis time of 12 days and several significant factors correlating with infection risk, such as the duration of ventriculostomy and number of neurosurgical procedures.
  • Overall, the findings indicate that patients with CNS infections experienced worse conditions and prolonged hospitalization, underscoring the severity of penetrating brain injuries in military settings.

Article Abstract

Background: Penetrating brain injuries are a potentially lethal injury associated with substantial morbidity and mortality. We examined characteristics and outcomes among military personnel who sustained battlefield-related open and penetrating cranial injuries during military conflicts in Iraq and Afghanistan.

Methods: Military personnel wounded during deployment (2009-2014) were included if they sustained an open or penetrating cranial injury and were admitted to participating hospitals in the United States. Injury characteristics, treatment course, neurosurgical interventions, antibiotic use, and infection profiles were examined.

Results: The study population included 106 wounded personnel, of whom 12 (11.3%) had an intracranial infection. Posttrauma prophylactic antibiotics were prescribed in more than 98% of patients. Patients who developed central nervous system (CNS) infections were more likely to have undergone a ventriculostomy ( p = 0.003), had a ventriculostomy in place for a longer period (17 vs. 11 days; p = 0.007), had more neurosurgical procedures ( p < 0.001), and have lower presenting Glasgow Coma Scale ( p = 0.01) and higher Sequential Organ Failure Assessment scores ( p = 0.018). Time to diagnosis of CNS infection was a median of 12 days postinjury (interquartile range, 7-22 days) with differences in timing by injury severity (critical head injury had median of 6 days, while maximal [currently untreatable] head injury had a median of 13.5 days), presence of other injury profiles in addition to head/face/neck (median, 22 days), and the presence of other infections in addition to CNS infections (median, 13.5 days). The overall length of hospitalization was a median of 50 days, and two patients died.

Conclusion: Approximately 11% of wounded military personnel with open and penetrating cranial injuries developed CNS infections. These patients were more critically injured (e.g., lower Glasgow Coma Scale and higher Sequential Organ Failure Assessment scores) and required more invasive neurosurgical procedures.

Level Of Evidence: Prognostic and Epidemiological; Level IV.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10389625PMC
http://dx.doi.org/10.1097/TA.0000000000004018DOI Listing

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