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Jurick SM, McCabe CT, Watrous JR, MacGregor AJ, Walton SR, Stewart IJ, Walker LE, Galarneau MR. Associations between health-related behaviors and self-reported cognitive symptoms in U.S. military personnel injured on deployment. J Psychiatr Res 2023; 165:48-55. [PMID: 37459778 DOI: 10.1016/j.jpsychires.2023.07.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 06/28/2023] [Accepted: 07/04/2023] [Indexed: 09/03/2023]
Abstract
Health behaviors may be core contributors to cognition and mental health following mild traumatic brain injury (TBI). The aims of the present study examined: (1) whether health behaviors including sleep duration, alcohol use, and physical activity differed in injured military personnel with and without deployment-related mild TBI history and (2) the relative contributions of health behaviors and deployment-related mild TBI history to self-reported cognitive, posttraumatic stress disorder (PTSD), and depressive symptoms. Participants included 3076 military personnel injured on deployment participating in the Wounded Warrior Recovery Project, an ongoing web-based study. Military personnel with deployment-related mild TBI history reported similar rates of physical activity and levels of alcohol problems as those without, but were less likely to report receiving the recommended duration of sleep. When adjusting for demographic and injury variables, all three health behaviors were associated with cognitive, PTSD, and depressive symptoms. Alcohol problems demonstrated significant but small effects across all outcomes measures (ηp2=.01) whereas physical activity was associated with slightly larger effects albeit still within the small range (ηp2=.02-0.04). Duration of sleep bordered a medium effect for cognitive symptoms (ηp2=.05) and was in the medium range for PTSD and depressive symptoms (ηp2=.06). Although deployment-related mild TBI history was significant in all models, effect sizes were small (ηp2=.01). Findings from the present study provide support that health behaviors have stronger effects with regard to cognitive, PTSD, and depressive symptoms compared to deployment-related mild TBI history in military personnel and, given their modifiable nature, may represent treatment targets in this population.
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Affiliation(s)
- Sarah M Jurick
- Leidos, 4161 Campus Point Ct, San Diego, CA, 92121, USA; Naval Health Research Center, 140 Sylvester Road, San Diego, CA, 92106, USA.
| | - Cameron T McCabe
- Leidos, 4161 Campus Point Ct, San Diego, CA, 92121, USA; Naval Health Research Center, 140 Sylvester Road, San Diego, CA, 92106, USA; Uniformed Services University, 4301 Jones Bridge Rd, Bethesda, MD, 20814, USA
| | - Jessica R Watrous
- Leidos, 4161 Campus Point Ct, San Diego, CA, 92121, USA; Naval Health Research Center, 140 Sylvester Road, San Diego, CA, 92106, USA; Uniformed Services University, 4301 Jones Bridge Rd, Bethesda, MD, 20814, USA
| | - Andrew J MacGregor
- Naval Health Research Center, 140 Sylvester Road, San Diego, CA, 92106, USA
| | - Samuel R Walton
- School of Medicine Physical Medicine and Rehabilitation, Virginia Commonwealth University, 1201 E Marshall St #4-100, Richmond, VA, 23298, USA
| | - Ian J Stewart
- Uniformed Services University, 4301 Jones Bridge Rd, Bethesda, MD, 20814, USA
| | - Lauren E Walker
- David Grant USAF Medical Center, 101 Bodin Circle, Bldg. 777, Travis AFB, CA, 94535, USA
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Perez KG, Eskridge SL, Clouser MC, Cancio JM, Cancio LC, Galarneau MR. Burn injuries in US service members: 2001-2018. Burns 2023; 49:461-466. [PMID: 35400523 DOI: 10.1016/j.burns.2022.03.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 02/25/2022] [Accepted: 03/16/2022] [Indexed: 11/25/2022]
Abstract
INTRODUCTION Burns are an important cause of battlefield injury, accounting for 5-20% of the combat injury burden. To date, no report has examined the full range of burns, from mild to severe, resulting from post-9/11 conflicts. The present study leverages the Expeditionary Medical Encounter Database (EMED), a Navy-maintained health database describing all service member medical encounters occurring during deployment, to capture, quantify and characterize burn-injured service members and the injuries they sustained while deployed in support of post-9/11 operations. METHODS The EMED was queried for all surviving service members with at least one burn injury, identified using injury-specific Abbreviated Injury Scale codes. Demographic and additional injury information were also obtained from the EMED. RESULTS From 2001 through 2018, 2507 deployed service members sustained 5551 burns. Blasts accounted for 82% of injuries, largely attributed to the use of improvised explosive devices. Concurrent injury was common, with 30% sustaining a traumatic brain injury and 10% sustaining inhalation injury. Most burns were small, with 92% involving< 20% TBSA; 85% of burns involved< 10% TBSA. The head and the hands were the most commonly affected areas, accounting for 48% of all burns, with 80% of service members sustaining at least one burn to these areas. CONCLUSION The majority of burns tend to be small in size, with the head and hands most commonly affected. As these areas are often left uncovered by the uniform, prevention measures, particularly improvement in and increased usage of personal protective gear, may help reduce these injuries and their consequences.
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Affiliation(s)
- Katheryne G Perez
- Leidos, San Diego, CA, USA; Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, San Diego, CA, USA.
| | - Susan L Eskridge
- Leidos, San Diego, CA, USA; Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, San Diego, CA, USA
| | - Mary C Clouser
- Leidos, San Diego, CA, USA; Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, San Diego, CA, USA
| | - Jill M Cancio
- US Army Burn Center, US Army Institute of Surgical Research, Fort Sam Houston, TX, USA
| | - Leopoldo C Cancio
- US Army Burn Center, US Army Institute of Surgical Research, Fort Sam Houston, TX, USA
| | - Michael R Galarneau
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, San Diego, CA, USA
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Harbertson J, MacGregor AJ, McCabe CT, Eskridge SL, Jurick SM, Watrous JR, Galarneau MR. Differences in quality-of-life scores across injury categories by mental health status among injured U.S. military service members and veterans. Qual Life Res 2023; 32:461-472. [PMID: 36301403 DOI: 10.1007/s11136-022-03263-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/26/2022] [Indexed: 11/28/2022]
Abstract
PURPOSE Posttraumatic stress disorder (PTSD) and depression are strong predictors of poor health-related quality of life (HRQOL) among injured U.S. military service members (SMs). Patterns of HRQOL between injury categories and injury categories stratified by mental health (MH) symptoms have not been examined. Among deployment-injured SMs and veterans (n = 4353), we examined HRQOL and screening data for PTSD and/or depression within specific injury categories. METHODS Participants included those enrolled in the Wounded Warrior Recovery Project with complete data for HRQOL (SF-36) from June 2017 to May 2020. Injuries were categorized using the Barell Injury Diagnosis Matrix (Barell Matrix). Mean physical component summary (PCS) and mental component summary (MCS) scores were calculated for each injury category and stratified by the presence or absence of probable PTSD and/or depression. RESULTS The average follow-up time that participants were surveyed after injury was 10.7 years. Most participants were male, non-Hispanic White, served in the Army, and enlisted rank. Mechanism of injury for 77% was blast-related. Mean PCS and MCS scores across the entire sample were 43.6 (SD = 10.3) and 39.5 (SD = 13.3), respectively; 50% screened positive for depression and/or PTSD. PCS and MCS scores were significantly lower within each injury category among individuals with probable PTSD and/or depression than those without. CONCLUSION Among deployment-injured SMs, those with probable PTSD and/or depression reported significantly lower HRQOL within injury categories and HRQOL component (i.e., physical or mental) than those without. Findings are consistent with prior reports showing mental health symptoms to be strongly associated with lower HRQOL and suggest integration of mental health treatment into standard care practices to improve long-term HRQOL.
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Affiliation(s)
- Judith Harbertson
- Leidos, Inc., San Diego, CA, USA. .,Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, 140 Sylvester Road, San Diego, CA, 92106-3521, USA.
| | - Andrew J MacGregor
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, 140 Sylvester Road, San Diego, CA, 92106-3521, USA.,Axiom Resource Management, Inc., San Diego, CA, USA
| | - Cameron T McCabe
- Leidos, Inc., San Diego, CA, USA.,Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, 140 Sylvester Road, San Diego, CA, 92106-3521, USA
| | - Susan L Eskridge
- Leidos, Inc., San Diego, CA, USA.,Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, 140 Sylvester Road, San Diego, CA, 92106-3521, USA
| | - Sarah M Jurick
- Leidos, Inc., San Diego, CA, USA.,Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, 140 Sylvester Road, San Diego, CA, 92106-3521, USA
| | - Jessica R Watrous
- Leidos, Inc., San Diego, CA, USA.,Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, 140 Sylvester Road, San Diego, CA, 92106-3521, USA
| | - Michael R Galarneau
- Operational Readiness Research Directorate, Naval Health Research Center, San Diego, USA
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Fraser JJ, MacGregor AJ, Fechner KM, Galarneau MR. Factors Associated With Neuromusculoskeletal Injury and Disability in Navy and Marine Corps Personnel. Mil Med 2022; 188:usac386. [PMID: 36515160 DOI: 10.1093/milmed/usac386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 10/26/2022] [Accepted: 11/16/2022] [Indexed: 12/15/2022] Open
Abstract
INTRODUCTION Neuromusculoskeletal injuries (NMSKI) are very common in the military, which contribute to short- and long-term disability. MATERIALS AND METHODS Population-level NMSKI, limited duty (LIMDU), and long-term disability episode counts in the U.S. Navy (USN) and U.S. Marine Corps (USMC) from December 2016 to August 2021 were extracted from the Musculoskeletal Naval Epidemiological Surveillance Tool. The incidence of NMSKI, LIMDU, and long-term disability was calculated. A hurdle negative binomial regression evaluated the association of body region, sex, age, rank, age by rank, and service branch on NMSKI, LIMDU, and long-term disability incidence. RESULTS From December 2016 to August 2021, there were 2,004,196 NMSKI episodes (USN: 3,285/1,000 Sailors; USMC: 4,418/1,000 Marines), 16,791 LIMDU episodes (USN: 32/1,000 Sailors; USMC: 29/1,000 Marines), and 2,783 long-term disability episodes (USN: 5/1,000 Sailors; USMC: 5/1,000 Marines). There was a large-magnitude protective effect on NMSKI during the pandemic (relative risk, USN: 0.70; USMC: 0.75). Low back and ankle-foot were the most common, primarily affecting female personnel, aged 25-44 years, senior enlisted, in the USMC. Shoulder, arm, pelvis-hip, and knee conditions had the greatest rates of disability, with female sex, enlisted ranks, aged 18-24 years, and service in the USMC having the most salient risk factors. CONCLUSION Body region, sex, age, rank, and branch were the salient factors for NMSKI. The significant protective effect during the pandemic was likely a function of reduced physical exposure and limited access to nonurgent care. Geographically accessible specialized care, aligned with communities with the greatest risk, is needed for timely NMSKI prevention, assessment, and treatment.
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Affiliation(s)
- John J Fraser
- Operational Readiness and Health Directorate, Naval Health Research Center, San Diego, CA 92106-3521, USA
| | - Andrew J MacGregor
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, San Diego, CA 92106-3521, USA
| | - Kenneth M Fechner
- Physical Therapy Department/Sports Medicine and Reconditioning Team, Naval Health Clinic Hawaii, Joint Base Pearl Harbor, HI 96860, USA
| | - Michael R Galarneau
- Operational Readiness and Health Directorate, Naval Health Research Center, San Diego, CA 92106-3521, USA
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Jurick SM, McCabe CT, Watrous JR, Walker LE, Stewart IJ, Galarneau MR. Prevalence and correlates of self-reported cognitive difficulties in deployment-injured U.S. military personnel. J Trauma Stress 2022; 35:1343-1356. [PMID: 35394076 DOI: 10.1002/jts.22833] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 02/22/2022] [Accepted: 02/26/2022] [Indexed: 11/11/2022]
Abstract
Cognitive difficulties typically resolve within days to weeks following mild traumatic brain injury (mTBI); however, a sizable proportion of individuals continue to report cognitive symptoms months to years later that are often associated with posttraumatic stress disorder (PTSD) and depression to a greater degree than a history of mTBI. The current study sought to evaluate the prevalence of self-reported cognitive difficulties as well as the relative contributions of demographic, injury-related, and mental health variables in a large study of U.S. military personnel injured during deployment since 2001. Slightly fewer than half (42.0%) of participants reported elevated cognitive difficulties compared with a normative population; however, this was driven primarily by those who screened positive for PTSD or depression. Hierarchical linear regression revealed that various demographic and injury factors, including lower educational attainment, retired or separated military status, enlisted rank, and a history of deployment-related mTBI, were associated with more self-reported cognitive difficulties, f2 = 0.07. Screening positive for PTSD or depression accounted for 32.1% of the variance in self-reported cognitive symptoms, f2 = 0.63, whereas injury variables, including a history of deployment-related mTBI, albeit significant in the model, accounted for 1.6%. The current findings add to the growing body of literature underscoring the importance of screening for and treating mental health conditions in injured military personnel.
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Affiliation(s)
- Sarah M Jurick
- Leidos, San Diego, California, USA.,Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, San Diego, California, USA
| | - Cameron T McCabe
- Leidos, San Diego, California, USA.,Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, San Diego, California, USA
| | - Jessica R Watrous
- Leidos, San Diego, California, USA.,Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, San Diego, California, USA
| | | | - Ian J Stewart
- Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA
| | - Michael R Galarneau
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, San Diego, California, USA
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D’Souza EW, MacGregor AJ, Dougherty AL, Olson AS, Champion HR, Galarneau MR. Combat injury profiles among U.S. military personnel who survived serious wounds in Iraq and Afghanistan: A latent class analysis. PLoS One 2022; 17:e0266588. [PMID: 35385552 PMCID: PMC8985965 DOI: 10.1371/journal.pone.0266588] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Accepted: 03/23/2022] [Indexed: 11/29/2022] Open
Abstract
Background The U.S. military conflicts in Iraq and Afghanistan had the most casualties since Vietnam with more than 53,000 wounded in action. Novel injury mechanisms, such as improvised explosive devices, and higher rates of survivability compared with previous wars led to a new pattern of combat injuries. The purpose of the present study was to use latent class analysis (LCA) to identify combat injury profiles among U.S. military personnel who survived serious wounds. Methods A total of 5,227 combat casualty events with an Injury Severity Score (ISS) of 9 or greater that occurred in Iraq and Afghanistan from December 2002 to July 2019 were identified from the Expeditionary Medical Encounter Database for analysis. The Barell Injury Diagnosis Matrix was used to classify injuries into binary variables by site and type of injury. LCA was employed to identify injury profiles that accounted for co-occurring injuries. Injury profiles were described and compared by demographic, operational, and injury-specific variables. Results Seven injury profiles were identified and defined as: (1) open wounds (18.8%), (2) Type 1 traumatic brain injury (TBI)/facial injuries (14.2%), (3) disseminated injuries (6.8%), (4) Type 2 TBI (15.4%), (5) lower extremity injuries (19.8%), (6) burns (7.4%), and (7) chest and/or abdominal injuries (17.7%). Profiles differed by service branch, combat location, year of injury, injury mechanism, combat posture at the time of injury, and ISS. Conclusion LCA identified seven distinct and interpretable injury profiles among U.S. military personnel who survived serious combat injuries in Iraq or Afghanistan. These findings may be of interest to military medical planners as resource needs are evaluated and projected for future conflicts, and medical professionals involved in the rehabilitation of wounded service members.
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Affiliation(s)
- Edwin W. D’Souza
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, San Diego, California, United States of America
- Leidos, Inc., San Diego, California, United States of America
- * E-mail:
| | - Andrew J. MacGregor
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, San Diego, California, United States of America
- Axiom Resource Management, Inc., San Diego, California, United States of America
| | - Amber L. Dougherty
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, San Diego, California, United States of America
- Leidos, Inc., San Diego, California, United States of America
| | - Andrew S. Olson
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, San Diego, California, United States of America
| | - Howard R. Champion
- Uniformed Services University of the Health Sciences, Annapolis, Maryland, United States of America
- Section of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Maryland, United States of America
| | - Michael R. Galarneau
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, San Diego, California, United States of America
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Melcer T, Walker GJ, Dye JL, Walrath B, MacGregor AJ, Perez K, Galarneau MR. Is Prehospital Ketamine Associated With a Change in the Prognosis of PTSD? Mil Med 2022; 188:usac014. [PMID: 35104347 DOI: 10.1093/milmed/usac014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 12/30/2021] [Accepted: 01/13/2022] [Indexed: 11/13/2022] Open
Abstract
INTRODUCTION Ketamine is an alternative to opioids for prehospital analgesia following serious combat injury. Limited research has examined prehospital ketamine use, associated injuries including traumatic brain injury (TBI) and PTSD outcomes following serious combat injury. MATERIALS AND METHODS We randomly selected 398 U.S. service members from the Expeditionary Medical Encounter Database who sustained serious combat injuries in Iraq and Afghanistan, 2010-2013. Of these 398 patients, 213 individuals had charted prehospital medications. Clinicians reviewed casualty records to identify injuries and all medications administered. Outcomes were PTSD diagnoses during the first year and during the first 2 years postinjury extracted from military health databases. We compared PTSD outcomes for patients treated with either (a) prehospital ketamine (with or without opioids) or (b) prehospital opioids (without ketamine). RESULTS Fewer patients received prehospital ketamine (26%, 56 of 213) than only prehospital opioids (69%, 146 of 213) (5%, 11 of 213 received neither ketamine nor opioids). The ketamine group averaged significantly more moderate-to-serious injuries, particularly lower limb amputations and open wounds, compared with the opioid group (Ps < .05). Multivariable regressions showed a significant interaction between prehospital ketamine (versus opioids) and TBI on first-year PTSD (P = .027). In subsequent comparisons, the prehospital ketamine group had significantly lower odds of first-year PTSD (OR = 0.08, 95% CI [0.01, 0.71], P = .023) versus prehospital opioids only among patients who did not sustain TBI. We also report results from separate analyses of PTSD outcomes among patients treated with different prehospital opioids only (without ketamine), either morphine or fentanyl. CONCLUSIONS The present results showed that patients treated with prehospital ketamine had significantly lower odds of PTSD during the first year postinjury only among patients who did not sustain TBI. These findings can inform combat casualty care guidelines for use of prehospital ketamine and opioid analgesics following serious combat injury.
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McCabe CT, Watrous JR, Eskridge SL, Galarneau MR. Mental and physical health, and long-term quality of life among service members injured on deployment. Health Qual Life Outcomes 2021; 19:220. [PMID: 34530831 PMCID: PMC8447792 DOI: 10.1186/s12955-021-01852-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Accepted: 08/31/2021] [Indexed: 12/28/2022] Open
Abstract
Background More than 52,000 casualties have been documented in post-9/11 conflicts. Service members with extremity injuries (EIs) or traumatic brain injury (TBI) may be at particular risk for long-term deficits in mental and physical health functioning compared with service members with other injuries. Methods The present study combined medical records with patient reports of mental health and health-related quality of life (HRQOL) for 2,537 service members injured in overseas contingency operations who participated in the Wounded Warrior Recovery Project. Combined parallel-serial mediation models were tested to examine the pathways through which injury is related to mental and physical health conditions, and long-term HRQOL. Results Results revealed that injury was indirectly related to long-term HRQOL via its associations with physical health complications and mental health symptoms. Relative to TBI, EI was associated with a higher likelihood for a postinjury diagnosis for a musculoskeletal condition, which were related to lower levels of later posttraumatic stress disorder (PTSD) symptoms, and higher levels of physical and mental HRQOL. Similarly, EI was related to a lower likelihood for a postinjury PTSD diagnosis, and lower levels of subsequent PTSD symptoms, and therefore higher physical and mental HRQOL relative to those with TBI. Despite this, the prevalence of probable PTSD among those with EI was high (35%). Implications for intervention, rehabilitation, and future research are discussed.
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Affiliation(s)
- Cameron T McCabe
- Operational Readiness Directorate, Naval Health Research Center, 140 Sylvester Road, San Diego, CA, 92106, USA. .,Leidos, 140 Sylvester Road, San Diego, CA, 92106, USA.
| | - Jessica R Watrous
- Operational Readiness Directorate, Naval Health Research Center, 140 Sylvester Road, San Diego, CA, 92106, USA.,Leidos, 140 Sylvester Road, San Diego, CA, 92106, USA
| | - Susan L Eskridge
- Operational Readiness Directorate, Naval Health Research Center, 140 Sylvester Road, San Diego, CA, 92106, USA.,Leidos, 140 Sylvester Road, San Diego, CA, 92106, USA
| | - Michael R Galarneau
- Operational Readiness Directorate, Naval Health Research Center, 140 Sylvester Road, San Diego, CA, 92106, USA
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Walker LE, McCabe CT, Watrous JR, Poltavskiy E, Howard JT, Janak JC, Migliore L, Stewart IJ, Galarneau MR. Prospective Evaluation of Health Outcomes in a Nationwide Sample of Aeromedical Evacuation Casualties: Methods From a Pilot Study. Mil Med 2021; 187:978-986. [PMID: 34345898 DOI: 10.1093/milmed/usab329] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 07/13/2021] [Accepted: 07/22/2021] [Indexed: 11/12/2022] Open
Abstract
INTRODUCTION Although retrospective analyses have found that combat-injured service members are at high risk for mental and physical health outcomes following injury, relatively little is known about the long-term health of injured service members. To better understand long-term health outcomes after combat injury, a large, prospective observational cohort collecting both subjective and objective health data is needed. Given that a study of this nature would be costly and face many logistical challenges, we first conducted a pilot to assess the feasibility of a larger, definitive study. MATERIALS AND METHODS We ran a prospective, observational pilot study of 119 combat-injured service members and veterans who completed (1) at least one set of laboratory measurements (blood and urine sample collection and vitals measurements) at Clinical Laboratory Improvement Amendment of 1988 compliant laboratory locations and (2) at least one online assessment for the Wounded Warrior Recovery Project (WWRP), a 15-year examination of patient-reported outcomes among service members injured on combat deployment. We recruited the pilot study cohort from WWRP participants who met eligibility criteria and indicated interest in additional research opportunities. We collected laboratory values and patient-reported outcomes at baseline and again 1 year later, and obtained demographic, injury, and military service data from the Expeditionary Medical Encounter Database. The David Grant USAF Medical Center Institution Review Board (IRB) and the Naval Health Research Center IRB reviewed and approved the study protocols. RESULTS During recruitment for the pilot study, 624 study candidates were identified from WWRP. Of the 397 candidates we contacted about the pilot study, 179 (45.1%) enrolled and 119 (66.4%) of those who enrolled completed the first year of participation. The second study year was suspended due to the coronavirus disease-2019 pandemic. At the time of suspension, 72 (60.5%) participants completed follow-up laboratory appointments, and 111 (93.3%) completed second-year WWRP assessments. Participants in the pilot study were predominately male (95.0%) and non-Hispanic White (55.5%), with a median (interquartile range) age of 38.3 (34.1-45.4) years. CONCLUSIONS Collection of patient-reported outcomes and laboratory samples in a geographically dispersed cohort of combat-injured service members is possible. While significant challenges exist, our pilot study results indicate that a larger, longitudinal, cohort study is feasible.
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Affiliation(s)
- Lauren E Walker
- Clinical Investigation Facility, David Grant USAF Medical Center, Fairfield, CA 94535, USA
| | - Cameron T McCabe
- Leidos, San Diego, CA 92106, USA.,Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, San Diego, CA 92106, USA
| | - Jessica R Watrous
- Leidos, San Diego, CA 92106, USA.,Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, San Diego, CA 92106, USA
| | - Eduard Poltavskiy
- Clinical Investigation Facility, David Grant USAF Medical Center, Fairfield, CA 94535, USA
| | - Jeffrey T Howard
- Department of Public Health, University of Texas San Antonio, San Antonio, TX 78249, USA
| | | | - Laurie Migliore
- Clinical Investigation Facility, David Grant USAF Medical Center, Fairfield, CA 94535, USA
| | - Ian J Stewart
- Department of Medicine, Uniformed Services University of the Health Sciences, Bethesda, MD 20814, USA
| | - Michael R Galarneau
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, San Diego, CA 92106, USA
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10
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MacGregor AJ, Perez KG, McCabe CT, Dougherty AL, Jurick SM, Galarneau MR. Brief report: Prevalence of screening positive for post-traumatic stress disorder among service members following combat-related injury. MSMR 2021; 28:10-13. [PMID: 34622716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
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11
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Perez KG, Eskridge SL, Clouser MC, McCabe CT, Galarneau MR. A Focus on Non-Amputation Combat Extremity Injury: 2001-2018. Mil Med 2021; 187:e638-e643. [PMID: 33939807 DOI: 10.1093/milmed/usab143] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 02/02/2021] [Accepted: 04/14/2021] [Indexed: 12/26/2022] Open
Abstract
INTRODUCTION Extremity injuries have comprised the majority of battlefield injuries in modern U.S. conflicts since World War II. Most reports have focused on serious injuries only and, to date, no reports have described the full extent of combat extremity injuries, from mild to severe, resulting from post-9/11 conflicts. This study aims to identify and characterize the full spectrum of non-amputation combat-related extremity injury and extend the findings of previous reports. METHODS The Expeditionary Medical Encounter Database was queried for all extremity injured service members (SMs) deployed in support of post-9/11 conflicts through July 2018. Only injuries incurred during combat operations were included in this report. Major amputations were excluded as well as SMs killed in action or who died of wounds. Extremity injuries were categorized by body region, nature of injury, and severity. Demographics and injury event characteristics are also presented. RESULTS A total of 17,629 SMs sustained 42,740 extremity injuries during 18,004 separate injury events. The highest number of SMs were injured in 2004 (n = 3,553), 2007 (n = 2,244), and 2011 (n = 2,023). Injured SMs were mostly young (78% under 30 years), male (97%), junior- to mid-level enlisted (89%), in the Army (69%) or Marine Corps (28%), active duty (84%), serving as infantry and gun crew (59%), and injured in support of Operation Iraqi Freedom (60%). Blast weaponry was responsible for 75% of extremity injuries. Injuries were similarly distributed between the lower (52%) and upper (48%) extremities. The most common sites of lower extremity injury were the lower leg/ankle complex (40%) and thigh (26%). The most common upper extremities sites were the shoulder and upper arms (37%), and the hand, wrist, and fingers (33%). Nearly half (48%) of all extremity injuries were open wounds (48%), followed by fractures (20%) and contusions/superficial injuries (16%). SMs sustained an average of 2.4 extremity injuries per event and 56% of injuries were considered mild, with a median Injury Severity Score (ISS) of 3. CONCLUSION This study is the first publication to capture, review, and characterize the full range, from mild to severe, of non-amputation combat-related extremity injuries resulting from post-9/11 conflicts. The high prevalence of extremity injury, particularly in such a young population, and associated short- and long-term health outcomes, will impact military health care systems for decades to come.
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Affiliation(s)
- Katheryne G Perez
- Leidos, San Diego, CA 92121-1522, USA.,Extremity Trauma and Amputation Center of Excellence, Joint Base San Antonio Fort Sam Houston, TX 78234-6055, USA.,Medical Modeling and Simulation, Naval Health Research Center, San Diego, CA 92106-3521, USA
| | - Susan L Eskridge
- Leidos, San Diego, CA 92121-1522, USA.,Medical Modeling and Simulation, Naval Health Research Center, San Diego, CA 92106-3521, USA
| | - Mary C Clouser
- Leidos, San Diego, CA 92121-1522, USA.,Medical Modeling and Simulation, Naval Health Research Center, San Diego, CA 92106-3521, USA
| | - Cameron T McCabe
- Leidos, San Diego, CA 92121-1522, USA.,Medical Modeling and Simulation, Naval Health Research Center, San Diego, CA 92106-3521, USA
| | - Michael R Galarneau
- Medical Modeling and Simulation, Naval Health Research Center, San Diego, CA 92106-3521, USA
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McCabe CT, Watrous JR, Galarneau MR. Health Behaviors Among Service Members Injured on Deployment: A Study From the Wounded Warrior Recovery Project. Mil Med 2021; 186:67-74. [PMID: 33005930 DOI: 10.1093/milmed/usaa242] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 07/06/2020] [Accepted: 08/03/2020] [Indexed: 01/12/2023] Open
Abstract
ABSTRACT
Introduction
Service members (SMs) who are injured on deployment are at risk for myriad long-term health problems that may be ancillary to their physical injury, including high rates of depression and posttraumatic stress disorder, and poor health behaviors (e.g., problem drinking, cigarette and tobacco use, poor sleep quality, and sedentary lifestyle). As the specific health behaviors injured SMs engage in have been largely ignored, the primary aim of this study was to compare health behavior patterns among those with and without mental health problems in a large, representative sample of SMs injured on combat deployment.
Materials and Methods
Participants (N = 3,303) completed behavioral health assessments between September 2018 and April 2019 as part of the Wounded Warrior Recovery Project. Multivariate linear regressions and binary logistic regressions were used to evaluate differences between mental health screening status and health behavior outcomes, adjusting for injury severity, age, and years since injury.
Results
Overall, about half of participants screened positive for posttraumatic stress disorder and/or depression (49%). Participants reported high rates of alcohol use and problems, cigarette and tobacco use, inadequate sleep and poor sleep quality, and low levels of physical activity. With the exception of number of drinking days and likelihood of current tobacco use, participants who screened positive for a mental health disorder evidenced significantly worse health behavior outcomes.
Conclusions
The results provide a preliminary glance into the mental health and health behaviors of SMs roughly a decade after injury, and underscore the importance of examining the interplay between mental, physical, and behavioral health outcomes among wounded warriors to promote health and wellness.
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Affiliation(s)
- Cameron T McCabe
- Operational Readiness Directorate, Naval Health Research Center, San Diego, CA 92106, USA
- Leidos, San Diego, CA 92106, USA
| | - Jessica R Watrous
- Operational Readiness Directorate, Naval Health Research Center, San Diego, CA 92106, USA
- Leidos, San Diego, CA 92106, USA
| | - Michael R Galarneau
- Operational Readiness Directorate, Naval Health Research Center, San Diego, CA 92106, USA
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Hawari RJ, McCabe CT, Dougherty AL, Eskridge SL, Watrous JR, Sazon J, Galarneau MR. Transport time after combat-related injury and patient-reported outcomes among US service members. BMJ Mil Health 2021; 169:e34-e38. [PMID: 33483453 DOI: 10.1136/bmjmilitary-2020-001542] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 12/21/2020] [Accepted: 12/27/2020] [Indexed: 11/04/2022]
Abstract
INTRODUCTION The 'golden hour' is a universal paradigm that suggests trauma patients have lower morbidity and mortality when provided with medical care within 1 hour after injury. The objective of this study was to examine whether transport time from point of injury to a military treatment facility (MTF) in-theatre was associated with patient-reported outcomes, such as post-traumatic stress disorder (PTSD), depression and quality of life (QOL), among US service members with combat-related injury. METHODS Participants were injured between March 2003 and March 2016 and completed standardised assessments of PTSD, depression and QOL for theWounded Warrior Recovery Project (WWRP) between January 2013 and November 2017. Multivariable regressions were used to assess the relationship between transport time (≤1 hour or >1 hour from injury to MTF) and positive screens for PTSD and depression, and QOL, respectively.Overall, 45.6% of participants (n=879) arrived at an MTF within 1 hour postinjury. About 8 years passed between when participants were injured on deployment and when they completed their first WWRP assessment. Approximately 48% of participants screened positive for PTSD and 51.3% for depression, with a mean QOL score of 0.513 (SD=0.150). After adjusting for covariates, transport time was not significantly associated with PTSD (OR 1.04, 95% CI 0.79 to 1.38; p=0.77), depression (OR 0.92, 95% CI 0.69 to 1.21; p=0.55) or QOL (β=0.009; p=0.38). CONCLUSION Transport time was not associated with patient-reported outcomes among US service members with combat-related injury. These findings are important as we seek to understand how combat casualties may be affected by extended medical evacuation or transport times anticipated in future expeditionary operations.
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Affiliation(s)
- Raneem J Hawari
- Medical Modeling, Simulation, and Mission Support, Naval Health Research Center, San Diego, California, USA.,Leidos Inc, San Diego, California, USA
| | - C T McCabe
- Medical Modeling, Simulation, and Mission Support, Naval Health Research Center, San Diego, California, USA .,Leidos Inc, San Diego, California, USA
| | - A L Dougherty
- Medical Modeling, Simulation, and Mission Support, Naval Health Research Center, San Diego, California, USA.,Leidos Inc, San Diego, California, USA
| | - S L Eskridge
- Medical Modeling, Simulation, and Mission Support, Naval Health Research Center, San Diego, California, USA.,Leidos Inc, San Diego, California, USA
| | - J R Watrous
- Medical Modeling, Simulation, and Mission Support, Naval Health Research Center, San Diego, California, USA.,Leidos Inc, San Diego, California, USA
| | - J Sazon
- Medical Modeling, Simulation, and Mission Support, Naval Health Research Center, San Diego, California, USA.,Axiom, San Diego, California, USA
| | - M R Galarneau
- Medical Modeling, Simulation, and Mission Support, Naval Health Research Center, San Diego, California, USA
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Watrous JR, McCabe CT, Dougherty AL, Yablonsky AM, Jones G, Harbertson J, Galarneau MR. Long-Term Outcomes of Service Women Injured on Combat Deployment. Int J Environ Res Public Health 2020; 18:E39. [PMID: 33374741 PMCID: PMC7793467 DOI: 10.3390/ijerph18010039] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 12/18/2020] [Accepted: 12/20/2020] [Indexed: 11/16/2022]
Abstract
Sex- and gender-based health disparities are well established and may be of particular concern for service women. Given that injured service members are at high risk of adverse mental and behavioral health outcomes, it is important to address any such disparities in this group, especially in regard to patient-reported outcomes, as much of the existing research has focused on objective medical records. The current study addressed physical and mental health-related quality of life, mental health symptoms, and health behaviors (i.e., alcohol use, sleep, and physical activity) among a sample of service women injured on deployment. Results indicate that about half of injured service women screened positive for a mental health condition, and also evidenced risky health behaviors including problematic drinking, poor sleep, and physical inactivity. Many of the mental and behavioral health variables demonstrated statistically significant associations with each other, supporting the relationships between psychological health and behaviors. Results provide additional evidence for the importance of access to integrated and effective mental healthcare treatment for injured service women and the need for screening in healthcare settings that address the multiple factors (e.g., mental health symptoms, alcohol use, poor sleep) that may lead to poor outcomes.
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Affiliation(s)
- Jessica R. Watrous
- Naval Health Research Center, San Diego, CA 92152, USA; (C.T.M.); (A.L.D.); (A.M.Y.); (G.J.); (J.H.); (M.R.G.)
- Leidos, Inc., San Diego, CA 92152, USA
| | - Cameron T. McCabe
- Naval Health Research Center, San Diego, CA 92152, USA; (C.T.M.); (A.L.D.); (A.M.Y.); (G.J.); (J.H.); (M.R.G.)
- Leidos, Inc., San Diego, CA 92152, USA
| | - Amber L. Dougherty
- Naval Health Research Center, San Diego, CA 92152, USA; (C.T.M.); (A.L.D.); (A.M.Y.); (G.J.); (J.H.); (M.R.G.)
- Leidos, Inc., San Diego, CA 92152, USA
| | - Abigail M. Yablonsky
- Naval Health Research Center, San Diego, CA 92152, USA; (C.T.M.); (A.L.D.); (A.M.Y.); (G.J.); (J.H.); (M.R.G.)
- Naval Medical Center San Diego, San Diego, CA 92134, USA
| | - Gretchen Jones
- Naval Health Research Center, San Diego, CA 92152, USA; (C.T.M.); (A.L.D.); (A.M.Y.); (G.J.); (J.H.); (M.R.G.)
- Axiom Corporation, San Diego, CA 92152, USA
| | - Judith Harbertson
- Naval Health Research Center, San Diego, CA 92152, USA; (C.T.M.); (A.L.D.); (A.M.Y.); (G.J.); (J.H.); (M.R.G.)
- Leidos, Inc., San Diego, CA 92152, USA
| | - Michael R. Galarneau
- Naval Health Research Center, San Diego, CA 92152, USA; (C.T.M.); (A.L.D.); (A.M.Y.); (G.J.); (J.H.); (M.R.G.)
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15
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Eskridge SL, Watrous JR, McCabe CT, Clouser MC, Galarneau MR. The relationship between self-reported physical functioning, mental health, and quality of life in Service members after combat-related lower extremity amputation. Disabil Rehabil 2020; 44:3189-3195. [PMID: 33355027 DOI: 10.1080/09638288.2020.1863481] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
PURPOSE Service members with amputations experience numerous challenges, yet few studies have examined patient-reported outcomes, including physical functional status, mental-health screening status, and quality of life (QOL) or the relationship between these outcomes. MATERIALS AND METHODS Service members with combat-related lower extremity amputations (N = 82) and participants in the Wounded Warrior Recovery Project were included. Patient-reported outcomes of physical functional status, posttraumatic stress disorder (PTSD), depression screening status, and QOL were compared, while accounting for amputation level. Linear regression assessed relationships between physical functional status and QOL, as well as mental-health screening status. RESULTS Higher physical functioning scores were associated with better QOL, and lower physical functioning scores were associated with screening positive for PTSD or depression. When stratified by mental-health screening, a significant relationship was observed between mean physical functioning scores and amputation level with a negative PTSD or depression screen only. Additionally, those with bilateral amputation reported lower physical functioning. CONCLUSIONS Physical functioning was associated with patient-reported outcomes, including QOL and mental-health screening. Screening positive for PTSD or depression was associated with worsened self-reported physical function and may outweigh the impact of amputation severity on physical functioning. Successful rehabilitation requires the integration of physical and mental health domains in order to achieve optimal functioning.Implications for rehabilitationThe current study shows that physical functioning in participants with combat-related amputation is related to the amputation level, quality of life, and mental-health symptom screening.Good mental health is crucial to optimal functioning, as presence of adverse mental-health symptoms may exacerbate physical functional limitations among those with combat-related amputations.Assessing variables related to adverse mental-health symptoms and ultimate physical functioning outcomes is critical for clinicians to optimize rehabilitative strategies and outcomes.
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Affiliation(s)
- Susan L Eskridge
- Leidos, San Diego, CA, USA.,Operational Readiness Research Directorate, Naval Health Research Center, San Diego, CA, USA
| | - Jessica R Watrous
- Leidos, San Diego, CA, USA.,Operational Readiness Research Directorate, Naval Health Research Center, San Diego, CA, USA
| | - Cameron T McCabe
- Leidos, San Diego, CA, USA.,Operational Readiness Research Directorate, Naval Health Research Center, San Diego, CA, USA
| | - Mary C Clouser
- Leidos, San Diego, CA, USA.,Operational Readiness Research Directorate, Naval Health Research Center, San Diego, CA, USA
| | - Michael R Galarneau
- Operational Readiness Research Directorate, Naval Health Research Center, San Diego, CA, USA
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16
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Watrous JR, McCabe CT, Jones G, Farrokhi S, Mazzone B, Clouser MC, Galarneau MR. Low back pain, mental health symptoms, and quality of life among injured service members. Health Psychol 2020; 39:549-557. [PMID: 32406726 DOI: 10.1037/hea0000850] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
OBJECTIVE Pain is a significant public health issue that may be particularly problematic among injured service members who are at high risk of chronic physical and mental health conditions. The goals of this study were to describe the prevalence and types of low back pain (acute vs. recurrent) among service members injured while on combat deployments, and to examine the differences in posttraumatic stress disorder (PTSD) and depression prevalence and severity, as well as quality of life, for individuals with low back pain compared with those without. METHOD Baseline assessment data from a subset of participants (n = 4,397) in the Wounded Warrior Recovery Project, a large, longitudinal examination of patient-reported outcomes, were used in conjunction with Department of Defense medical records data. RESULTS Almost half of participants had acute or recurrent low back pain diagnoses, and the majority of individuals had no diagnosis of low back pain prior to their deployment-related injury. Individuals with low back pain, particularly recurrent, screened positive for PTSD and depression at higher rates, reported more severe symptoms of these disorders, and demonstrated poorer quality of life than those without. CONCLUSIONS Low back pain was a prevalent issue among service members with deployment-related injury and was associated with worsened mental health outcomes and quality of life. Health care providers and researchers in multiple disciplines should consider the complex relationships between pain and mental health in order to further optimize treatment and outcomes. (PsycInfo Database Record (c) 2020 APA, all rights reserved).
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Affiliation(s)
- Jessica R Watrous
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center
| | - Cameron T McCabe
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center
| | - Gretchen Jones
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center
| | | | | | - Mary C Clouser
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center
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17
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MacGregor AJ, Zouris JM, Watrous JR, McCabe CT, Dougherty AL, Galarneau MR, Fraser JJ. Multimorbidity and quality of life after blast-related injury among US military personnel: a cluster analysis of retrospective data. BMC Public Health 2020; 20:578. [PMID: 32345277 PMCID: PMC7189580 DOI: 10.1186/s12889-020-08696-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Accepted: 04/13/2020] [Indexed: 11/25/2022] Open
Abstract
Background Blast injury emerged as a primary source of morbidity among US military personnel during the recent conflicts in Iraq and Afghanistan, and led to an array of adverse health outcomes. Multimorbidity, or the presence of two or more medical conditions in an individual, can complicate treatment strategies. To date, there is minimal research on the impact of multimorbidity on long-term patient-reported outcomes. We aimed to define multimorbidity patterns in a population of blast-injured military personnel, and to examine these patterns in relation to long-term quality of life (QOL). Methods A total of 1972 US military personnel who sustained a blast-related injury during military operations in Iraq and Afghanistan were identified from clinical records. Electronic health databases were used to identify medical diagnoses within the first year postinjury, and QOL was measured with a web-based assessment. Hierarchical cluster analysis methods using Ward’s minimum variance were employed to identify clusters with related medical diagnosis categories. Duncan’s multiple range test was used to group clusters into domains by QOL. Results Five distinct clusters were identified and grouped into three QOL domains. The lowest QOL domain contained one cluster with a clinical triad reflecting musculoskeletal pain, concussion, and mental health morbidity. The middle QOL domain had two clusters, one with concussion/anxiety predominating and the other with polytrauma. The highest QOL domain had two clusters with little multimorbidity aside from musculoskeletal pain. Conclusions The present study described blast-related injury profiles with varying QOL levels that may indicate the need for integrated health services. Implications exist for current multidisciplinary care of wounded active duty and veteran service members, and future research should determine whether multimorbidity denotes distinct post-blast injury syndromes.
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Affiliation(s)
- Andrew J MacGregor
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, 140 Sylvester Road, San Diego, CA, 92106, USA.
| | - James M Zouris
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, 140 Sylvester Road, San Diego, CA, 92106, USA
| | - Jessica R Watrous
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, 140 Sylvester Road, San Diego, CA, 92106, USA.,Leidos, Inc., 140 Sylvester Road, San Diego, CA, 92106, USA
| | - Cameron T McCabe
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, 140 Sylvester Road, San Diego, CA, 92106, USA.,Leidos, Inc., 140 Sylvester Road, San Diego, CA, 92106, USA
| | - Amber L Dougherty
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, 140 Sylvester Road, San Diego, CA, 92106, USA.,Leidos, Inc., 140 Sylvester Road, San Diego, CA, 92106, USA
| | - Michael R Galarneau
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, 140 Sylvester Road, San Diego, CA, 92106, USA
| | - John J Fraser
- Warfighter Performance Department, Naval Health Research Center, 140 Sylvester Road, San Diego, CA, 92106, USA
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18
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Joseph AR, Shaw JL, Clouser MC, MacGregor AJ, Dougherty AL, Galarneau MR. Clinical audiometric patterns of hearing loss following blast-related injury in U.S. military personnel. Int J Audiol 2020; 59:772-779. [PMID: 32293926 DOI: 10.1080/14992027.2020.1743884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Objective: To identify clinical audiometric patterns of hearing loss following blast-related injury (BRI) in US military personnel.Design: Retrospective cohort study.Study sample: A total of 1186 male Navy and Marine Corps service members with normal hearing thresholds on pre-injury audiograms who had post-injury audiograms in the Blast-Related Auditory Injury Database.Results: Low- and high-frequency pure-tone averages (PTAs) were significantly higher in those with BRI than non-blast-related injury (NBRI) for both ears (p < 0.001 for all comparisons). Overall, 172 (15%) service members met criteria for post-injury hearing loss and were categorised into PTA or single-frequency hearing loss subgroups. PTA hearing loss was more common in the BRI group (50% vs. 33%, p < 0.036), whereas single-frequency hearing loss was more common in the NBRI group. Most hearing loss was mild to moderate in degree, and three distinct audiometric patterns emerged (i.e. flat, sloping and rising). A flat pattern was the most prevalent configuration among those with PTA hearing loss, especially bilateral loss. Single-frequency hearing loss was mostly unilateral and high frequency.Conclusions: In this study, BRI produced hearing loss across test frequencies, generating more clinically actionable post-injury audiograms than NBRI. We found that post-injury audiometric patterns of hearing loss among military personnel may vary.
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Affiliation(s)
- Antony R Joseph
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, San Diego, CA, USA.,Hearing Loss Prevention Laboratory, Communication Sciences and Disorders Department, Illinois State University, Normal, IL, USA
| | - Jaime L Shaw
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, San Diego, CA, USA.,Leidos, Inc., San Diego, CA, USA
| | - Mary C Clouser
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, San Diego, CA, USA.,Leidos, Inc., San Diego, CA, USA
| | - Andrew J MacGregor
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, San Diego, CA, USA
| | - Amber L Dougherty
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, San Diego, CA, USA.,Leidos, Inc., San Diego, CA, USA
| | - Michael R Galarneau
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, San Diego, CA, USA
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McCabe CT, Watrous JR, Galarneau MR. Trauma exposure, mental health, and quality of life among injured service members: Moderating effects of perceived support from friends and family. Mil Psychol 2019; 32:164-175. [PMID: 38536281 PMCID: PMC10013332 DOI: 10.1080/08995605.2019.1691406] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2019] [Accepted: 11/05/2019] [Indexed: 10/25/2022]
Abstract
Poor mental health and quality of life (QOL) are common among service members exposed to trauma and may be more pronounced among those injured on combat deployment. It is vital to identify factors that attenuate these issues. This study examined whether perceived support from friends and family buffer associations between level of trauma exposure, mental health symptoms (i.e., posttraumatic stress disorder [PTSD], depression), and QOL. Military health care records and cross-sectional web-assessment data were collected for 1,643 individuals who were participating in a large-scale surveillance project of patient-reported outcomes of Service members injured on combat deployment. General linear models revealed perceived support from family and friends were independently related to lower depression and PTSD symptoms, and higher QOL. Perceived support from friends buffered associations between trauma exposure and depression symptoms and QOL, but not PTSD symptoms. In contrast, individuals with high family support reported the lowest levels for both PTSD and depression symptoms at low levels of trauma exposure. At high levels of trauma exposure, however, symptoms were similar across levels of family support. A similar trend was observed for QOL. Such evidence reinforces the importance of interpersonal relationships and support for injured service members, and highlights the need to address these topics in existing treatment and rehabilitation programs.
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Affiliation(s)
- Cameron T. McCabe
- Leidos, San Diego, California
- Medical Modeling, Simulation, & Mission Support Department, Naval Health Research Center, San Diego, California
| | - Jessica R. Watrous
- Leidos, San Diego, California
- Medical Modeling, Simulation, & Mission Support Department, Naval Health Research Center, San Diego, California
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20
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Sack DI, Woodruff SI, McCabe CT, Galarneau MR, Han PP. Evaluation of Three Postal Invitational Strategies to Increase Survey Response Rates in a Combat-Injured U.S. Military Population: Findings From the Wounded Warrior Recovery Project. Mil Med 2019; 184:521-528. [PMID: 30901447 DOI: 10.1093/milmed/usy374] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Revised: 11/07/2018] [Indexed: 11/12/2022] Open
Abstract
The survival rate of those injured in combat in overseas contingency operations is higher than in previous conflicts. There is a need to assess the long-term psychosocial and quality of life outcomes of those injured in combat, yet surveying this population presents inherent challenges. As part of a large-scale, longitudinal examination of patient-reported outcomes of service members injured on deployment, the present manuscript evaluated the effectiveness of three postal strategies on response rates: (1) mailing a study prenotification postcard, (2) mailing the survey invitation in a larger envelope, and (3) including a small cash preincentive ($2). Evaluation of these strategies yielded mixed results in this population. Neither the prenotification postcard nor inclusion of a $2 cash preincentive significantly increased response rates. However, use of a larger envelope to mail the survey invitation significantly increased the response rate by 53.1%. Researchers interested in collecting patient-reported outcomes among military populations, including those with combat-related injuries, may find that increasing the visibility of recruitment materials is more effective for improving response rates than attempting to cognitively prime or offer prospective participants preincentives.
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Affiliation(s)
| | | | | | - Michael R Galarneau
- Naval Health Research Center, Department of Medical Modeling, Simulation, and Mission Support, 140 Sylvester Rd., San Diego, CA
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21
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Eskridge SL, Clouser MC, McCabe CT, Watrous JR, Galarneau MR. Self-reported Functional Status in US Service Members After Combat-Related Amputation. Am J Phys Med Rehabil 2019; 98:631-635. [DOI: 10.1097/phm.0000000000001140] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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22
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Eskridge SL, Hill OT, Clouser MC, Galarneau MR. Association of Specific Lower Extremity Injuries With Delayed Amputation. Mil Med 2018; 184:e323-e329. [DOI: 10.1093/milmed/usy271] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2018] [Revised: 09/04/2018] [Indexed: 11/15/2022] Open
Affiliation(s)
| | - Owen T Hill
- Extremity Trauma and Amputation Center of Excellence, 2748 Worth Road, Suite 29, Joint Base San Antonio Fort Sam Houston, TX
| | | | - Michael R Galarneau
- Operational Readiness Directorate, Naval Health Research Center, 140 Sylvester Road, San Diego, CA
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Watrous JR, Dougherty AL, McCabe CT, Sack DI, Galarneau MR. The Wounded Warrior Recovery Project: A Longitudinal Examination of Patient-Reported Outcomes Among Deployment-Injured Military Personnel. Mil Med 2018; 184:84-89. [DOI: 10.1093/milmed/usy243] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Revised: 08/09/2018] [Indexed: 11/14/2022] Open
Affiliation(s)
- Jessica R Watrous
- Leidos, 140 Sylvester Road, San Diego, CA
- Operational Readiness Directorate, Naval Health Research Center, 140 Sylvester Road, San Diego, CA
| | - Amber L Dougherty
- Leidos, 140 Sylvester Road, San Diego, CA
- Operational Readiness Directorate, Naval Health Research Center, 140 Sylvester Road, San Diego, CA
| | - Cameron T McCabe
- Leidos, 140 Sylvester Road, San Diego, CA
- Operational Readiness Directorate, Naval Health Research Center, 140 Sylvester Road, San Diego, CA
| | - Daniel I Sack
- Operational Readiness Directorate, Naval Health Research Center, 140 Sylvester Road, San Diego, CA
- Axiom, 140 Sylvester Road, San Diego, CA
| | - Michael R Galarneau
- Operational Readiness Directorate, Naval Health Research Center, 140 Sylvester Road, San Diego, CA
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Dougherty AL, MacGregor AJ, Viirre E, Clouser MC, Han PP, Quinn KH, Galarneau MR. Preliminary study of hearing protection and non-impact, blast-induced concussion in US military personnel. Brain Inj 2018; 32:1423-1428. [DOI: 10.1080/02699052.2018.1496476] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- Amber L. Dougherty
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, San Diego, CA, USA
| | - Andrew J. MacGregor
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, San Diego, CA, USA
| | - Erik Viirre
- Department of Cognitive Science, University of California San Diego, San Diego, CA, USA
| | - Mary C. Clouser
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, San Diego, CA, USA
| | - Peggy P. Han
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, San Diego, CA, USA
| | - Kimberly H. Quinn
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, San Diego, CA, USA
| | - Michael R. Galarneau
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, San Diego, CA, USA
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25
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Woodruff SI, Galarneau MR, McCabe CT, Luu BN, Sack DI, Han PP. Body-Region-Specific Injuries as Predictors of Psychosocial Outcomes Among Those Injured in Combat: Results From the Wounded Warrior Recovery Project. Military Psychology 2018. [DOI: 10.1037/mil0000181] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
| | - Michael R. Galarneau
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, San Diego, California
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26
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Joseph AR, Shaw JL, Clouser MC, MacGregor AJ, Galarneau MR. Impact of Blast Injury on Hearing in a Screened Male Military Population. Am J Epidemiol 2018; 187:7-15. [PMID: 29309519 DOI: 10.1093/aje/kwx199] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2016] [Accepted: 02/27/2017] [Indexed: 11/13/2022] Open
Abstract
Exposure to hazardous intensity levels of combat noise, such as blast, may compromise a person's ability to detect and recognize sounds and communicate effectively. There is little previous examination of the onset of hearing health outcomes following exposure to blast in representative samples of deployed US military personnel. Data from the prospective Blast-Related Auditory Injury Database were analyzed. We included only those participants with qualified hearing tests within a period of 12 months prior to, and following, injury (n = 1,574). After adjustment for relevant covariates and potential confounders, those who sustained a blast injury had significantly higher odds of postinjury hearing loss (odds ratio = 2.21; 95% confidence interval: 1.42, 3.44), low-frequency hearing loss (odds ratio = 1.95; 95% confidence interval: 1.01, 3.78), high-frequency hearing loss (odds ratio = 2.45; 95% confidence interval: 1.43, 4.20), and significant threshold shift compared with a group with non-blast-related injury. An estimated 49% of risk for hearing loss in these blast-injured, deployed military members could be attributed to the blast-related injury event. This study reinforced that it is imperative to identify at-risk populations for early intervention and prevention, as well as to consistently monitor the effects of blast injury on hearing outcomes.
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Affiliation(s)
- Antony R Joseph
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, San Diego, California
| | - Jaime L Shaw
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, San Diego, California
| | - Mary C Clouser
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, San Diego, California
| | - Andrew J MacGregor
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, San Diego, California
| | - Michael R Galarneau
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, San Diego, California
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27
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MacGregor AJ, Clouser MC, Mayo JA, Galarneau MR. Gender Differences in Posttraumatic Stress Disorder Among U.S. Navy Healthcare Personnel. J Womens Health (Larchmt) 2017; 26:338-344. [PMID: 28410014 DOI: 10.1089/jwh.2014.5130] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
Abstract
BACKGROUND The role of women in the U.S. military has changed markedly over the course of 20th- and 21st-century conflicts. Although women frequently occupy healthcare positions in the military, little is known about gender differences in posttraumatic stress disorder (PTSD) within this occupational subgroup. MATERIALS AND METHODS A total of 4275 (667 women and 3608 men) U.S. Navy healthcare personnel supporting military operations in Iraq and Afghanistan were identified from electronic deployment records. Data from Post-Deployment Health Assessments were abstracted to identify PTSD screen positives, and to adjust for self-reported combat exposure and other deployment experiences. RESULTS The prevalence of PTSD screen positive in the sample was 8.2% (n = 351/4275). After adjusting for combat exposure, previous psychiatric history, and demographics, women had significantly higher odds of screening positive for PTSD than did men (odds ratio = 1.99, 95% confidence interval 1.34-2.96). Interactions between gender and combat exposure, and between gender and previous psychiatric history were not statistically significant. CONCLUSIONS This is one of the first studies to examine gender differences in PTSD among military healthcare personnel. Future research should account for additional stressors, such as long work hours, disrupted sleep patterns, and number of casualties treated. As women are further integrated into military occupations that may lead to different exposures, knowledge of gender differences in the manifestation of PTSD is paramount for prevention and treatment purposes.
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Affiliation(s)
- Andrew J MacGregor
- Department of Medical Modeling, Simulation and Mission Support, Naval Health Research Center , San Diego, California
| | - Mary C Clouser
- Department of Medical Modeling, Simulation and Mission Support, Naval Health Research Center , San Diego, California
| | - Jonathan A Mayo
- Department of Medical Modeling, Simulation and Mission Support, Naval Health Research Center , San Diego, California
| | - Michael R Galarneau
- Department of Medical Modeling, Simulation and Mission Support, Naval Health Research Center , San Diego, California
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Keller MW, Han PP, Galarneau MR, Gaball CW. Characteristics of maxillofacial injuries and safety of in-theater facial fracture repair in severe combat trauma. Mil Med 2016; 180:315-20. [PMID: 25735023 DOI: 10.7205/milmed-d-14-00345] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
The study objectives were to characterize maxillofacial injuries and assess the safety of in-theater facial fracture repair in U.S. military personnel with severe combat trauma from Iraq and Afghanistan. We performed a retrospective chart review of the Expeditionary Medical Encounter Database from 2004 to 2010. 1,345 military personnel with combat-related maxillofacial injuries were identified. Injury severity was quantified with the Abbreviated Injury Scale and Injury Severity Score. Service members with maxillofacial injury and severe combat trauma (Injury Severity Score ≥ 16) were included. The distribution of facial fractures, types, and outcomes of surgical repairs, incidence of traumatic brain injury, concomitant head and neck injuries, burn rate/severity, and rates of Acinetobacter baumannii colonization and surgical site infection were analyzed. The prevalence of maxillofacial injury in the Expeditionary Medical Encounter Database was 22.7%. The most common mechanism of injury was improvised explosive device (65.7%). Midface trauma and facial burns were common. Approximately 64% of the study sample sustained traumatic brain injury. Overall, 45.6% (109/239) had at least one facial bone fracture. Of those with facial fractures, 64.2% (n = 70) underwent surgical repair. None of the service members who underwent in-theater facial fracture repair developed A. baumannii facial wound infection or implant extrusion.
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Affiliation(s)
- Matthew W Keller
- Department of Otolaryngology-Head and Neck Surgery, Naval Medical Center San Diego, San Diego, CA 92134
| | - Peggy P Han
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, San Diego, CA 92106
| | - Michael R Galarneau
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, San Diego, CA 92106
| | - Curtis W Gaball
- Department of Otolaryngology-Head and Neck Surgery, Naval Medical Center San Diego, San Diego, CA 92134
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29
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Rábago CA, Clouser M, Dearth CL, Farrokhi S, Galarneau MR, Highsmith MJ, Wilken JM, Wyatt MP, Hill OT. The Extremity Trauma and Amputation Center of Excellence: Overview of the Research and Surveillance Division. Mil Med 2016; 181:3-12. [DOI: 10.7205/milmed-d-16-00279] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
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30
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Conway TL, Schmied EA, Larson GE, Galarneau MR, Hammer PS, Quinn KH, Schmitz KJ, Webb-Murphy JA, Boucher WC, Edwards NK, Ly HL. Treatment of Mental or Physical Health Problems in a Combat Zone: Comparisons of Postdeployment Mental Health and Early Separation From Service. J Trauma Stress 2016; 29:149-57. [PMID: 26990003 DOI: 10.1002/jts.22091] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
The primary aim of this study was to evaluate whether being treated for mental health or nonbattle physical injury during military combat deployment was associated with higher risk for postdeployment mental disorders and poorer career outcomes than seen in the general combat-deployed population. Service members treated in theater for mental health (n = 964) or noncombat injury (n = 853) were compared with randomly sampled personnel (n = 7,220) from the general deployed population on diagnosed mental disorders and early separation from service. Deployment, medical, and career information were obtained from Department of Defense archival databases. Over half of the personnel who received mental health treatment while deployed were diagnosed with 1 or more mental disorders postdeployment and/or were separated from service before completing their full-term enlistment. This was significantly higher than expected compared to the general deployed group, adjusting for demographic/military characteristics and mental health history (adjusted odds ratios [ORs] ranging 1.62 to 2.96). Frequencies of problems also were higher in the mental health-treated group than in the group treated for nonbattle physical injuries (significant adjusted ORs ranging 1.65 to 2.58). The documented higher risks for postdeployment adjustment problems suggested that especially those treated in theater by mental health providers might benefit from postdeployment risk-reduction programs.
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Affiliation(s)
- Terry L Conway
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, San Diego, California, USA
| | - Emily A Schmied
- Behavioral Sciences and Epidemiology Department, Naval Health Research Center, San Diego, California, USA
| | - Gerald E Larson
- Behavioral Sciences and Epidemiology Department, Naval Health Research Center, San Diego, California, USA
| | - Michael R Galarneau
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, San Diego, California, USA
| | - Paul S Hammer
- Navy Medicine Information Systems Support Activity, San Antonio, Texas, USA
| | - Kimberly H Quinn
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, San Diego, California, USA
| | - Kimberly J Schmitz
- Naval Center for Combat and Operational Stress Control, San Diego, California, USA
| | | | - Wayne C Boucher
- Mental Health Directorate, Naval Hospital Camp Pendleton, Marine Corps Base Camp Pendleton, California, USA
| | - Nathan K Edwards
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, San Diego, California, USA
| | - Hoa L Ly
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, San Diego, California, USA
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Joseph AR, Horton JL, Clouser MC, MacGregor AJ, Louie M, Galarneau MR. Development of a comprehensive Blast-Related Auditory Injury Database (BRAID). ACTA ACUST UNITED AC 2016; 53:295-306. [DOI: 10.1682/jrrd.2015.02.0031] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2015] [Revised: 07/21/2015] [Indexed: 11/05/2022]
Affiliation(s)
| | - Jaime L. Horton
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, San Diego, CA
| | - Mary C. Clouser
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, San Diego, CA
| | - Andrew J. MacGregor
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, San Diego, CA
| | - Michelle Louie
- Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, San Diego, CA
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32
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MacGregor AJ, Dougherty AL, Mayo JA, Han PP, Galarneau MR. Post-traumatic Stress Disorder Among Navy Health Care Personnel Following Combat Deployment. Mil Med 2015; 180:882-7. [DOI: 10.7205/milmed-d-14-00323] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
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Keller MW, Han PP, Galarneau MR, Brigger MT. Airway Management in Severe Combat Maxillofacial Trauma. Otolaryngol Head Neck Surg 2015; 153:532-7. [PMID: 25820589 DOI: 10.1177/0194599815576916] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2014] [Accepted: 02/19/2015] [Indexed: 11/15/2022]
Abstract
OBJECTIVES Airway stabilization is critical in combat maxillofacial injury as normal anatomical landmarks can be obscured. The study objective was to characterize the epidemiology of airway management in maxillofacial trauma. STUDY DESIGN Retrospective database analysis. SETTING Military treatment facilities in Iraq and Afghanistan and stateside tertiary care centers. SUBJECTS In total, 1345 military personnel with combat-related maxillofacial injuries sustained March 2004 to August 2010 were identified from the Expeditionary Medical Encounter Database using International Classification of Diseases, 9th Revision, Clinical Modification (ICD-9-CM) codes. METHODS Descriptive statistics, including basic demographics, injury severity, associated injuries, and airway interventions, were collected. A logistic regression was performed to determine factors associated with the need for tracheostomy. RESULTS A total of 239 severe maxillofacial injuries were identified. The most common mechanism of injury was improvised explosive devices (66%), followed by gunshot wounds (8%), mortars (5%), and landmines (4%). Of the subjects, 51.4% required intubation on their initial presentation. Of tracheostomies, 30.4% were performed on initial presentation. Of those who underwent bronchoscopy, 65.2% had airway inhalation injury. There was a significant relationship between the presence of head and neck burn and association with airway inhalation injury (P < .0001). There was also a significant relationship between the severity of facial injury and the need for intubation (P = .002), as well as the presence of maxillofacial fracture and the need for tracheostomy (P = .0001). CONCLUSIONS There is a high incidence of airway injury in combat maxillofacial trauma, which may be underestimated. Airway management in this population requires a high degree of suspicion and low threshold for airway stabilization.
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Affiliation(s)
- Matthew W Keller
- Department of Otolaryngology/Head and Neck Surgery, Naval Medical Center San Diego, San Diego, California, USA
| | - Peggy P Han
- Naval Health Research Center, San Diego, California, USA
| | | | - Matthew T Brigger
- Department of Otolaryngology/Head and Neck Surgery, Naval Medical Center San Diego, San Diego, California, USA
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35
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Keller MW, Han PP, Galarneau MR, Brigger MT. Airway Management in Severe Combat-Related Maxillofacial Trauma. Otolaryngol Head Neck Surg 2014. [DOI: 10.1177/0194599814541627a26] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Objectives: Airway stabilization is critical in combat-related maxillofacial injury as normal anatomical landmarks can be obscured by blood and debris. The objective of this study was to characterize the epidemiology of airway management in maxillofacial trauma. Methods: A total of 1345 military personnel with combat-related maxillofacial injuries were retrospectively identified from the Expeditionary Medical Encounter Database using ICD-9-CM diagnostic codes. Maxillofacial injury severity was quantified with the Abbreviated Injury Scale (AIS). Service members with maxillofacial injury and severe combat trauma were included in the analysis (n = 239). Study variables included the frequency and timing of intubation, presence and severity of burn injury, frequency of tracheostomy, and presence of inhalational injury. Results: A total of 239 severe maxillofacial injuries were identified. The most common mechanism of injury was Improvised Explosive Device (IED) (66%), followed by gunshot wounds (8%), mortar (5%), and landmines (4%). A total of 51.0% of the subjects required intubation on their initial presentation to triage facilities. Field surgical airways were rare, but demonstrated a 75% success rate. Of the patients who underwent bronchoscopy, 65.2% were found to have airway inhalational injury. There was a significant relationship between the severity of facial injury and the need for intubation on initial presentation ( P = .0027). Of the subjects, 19.7% had tracheostomy performed. Furthermore, 12.3% of the study subjects required surgical neck explorations. Conclusions: There is a high incidence of airway injury in combat-related maxillofacial trauma, which may be underestimated. Airway management in this population requires a high degree of suspicion and low threshold for airway stabilization.
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Mayo JA, MacGregor AJ, Dougherty AL, Galarneau MR. Role of occupation on new-onset post-traumatic stress disorder and depression among deployed military personnel. Mil Med 2014; 178:945-50. [PMID: 24005541 DOI: 10.7205/milmed-d-12-00527] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
The purpose of this study was to examine the role of military occupation on new-onset post-traumatic stress disorder (PTSD) and depression among U.S. combat veterans recently returned from deployment to Iraq. Enlisted, active duty Navy and Marine Corps personnel without a history of mental disorder were identified from deployment records and linked to medical databases (n = 40,600). Multivariate logistic regression was used to examine the association between occupation and postdeployment PTSD and depression diagnoses by branch of service. Navy health care specialists had higher odds of new-onset PTSD (odds ratio [OR] 4.53, 95% confidence interval [CI] 2.58-7.94) and depression (OR 2.58, 95% CI 1.53-4.34) compared with Navy functional support/other personnel. In addition, Marine combat specialists had higher odds of new-onset PTSD (OR 1.91, 95% CI 1.48-2.47) and depression (OR 1.36, 95% CI 1.10-1.68) compared with Marine functional support/other personnel. Occupation is associated with the development of new-onset PTSD and depression. The high rates of PTSD and depression among health care specialists warrant further investigation into the potential effects of caregiver stress on mental health.
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Affiliation(s)
- Jonathan A Mayo
- Naval Health Research Center, 140 Sylvester Road, San Diego, CA 92106, USA
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37
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MacGregor AJ, Heltemes KJ, Clouser MC, Han PP, Galarneau MR. Dwell Time and Psychological Screening Outcomes Among Military Service Members With Multiple Combat Deployments. Mil Med 2014; 179:381-7. [DOI: 10.7205/milmed-d-13-00314] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
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38
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Woodruff SI, Galarneau MR, Luu BN, Sack D, Han P. A Study Protocol for Tracking Quality of Life Among U.S. Service Members Wounded in Iraq and Afghanistan: The Wounded Warrior Recovery Project. Mil Med 2014; 179:265-72. [DOI: 10.7205/milmed-d-13-00444] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
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Macgregor AJ, Tang JJ, Dougherty AL, Galarneau MR. Deployment-related injury and posttraumatic stress disorder in US military personnel. Injury 2013; 44:1458-64. [PMID: 23137798 DOI: 10.1016/j.injury.2012.10.009] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2012] [Accepted: 10/10/2012] [Indexed: 02/02/2023]
Abstract
BACKGROUND The current military conflicts in Iraq and Afghanistan have resulted in the most US casualties since the Vietnam War. Previous research on the association between deployment-related injury and posttraumatic stress disorder (PTSD) has yielded mixed results. OBJECTIVES To examine the effect of battle injury (BI) relative to non-battle injury (NBI) on the manifestation of PTSD symptoms in military personnel and to assess the demographic, injury-specific, and pre-injury factors associated with PTSD following a BI. PATIENTS AND METHODS A total of 3403 personnel with deployment-related injury (1777 BI and 1626 NBI) were identified from the Expeditionary Medical Encounter Database. Records were electronically matched to Post-Deployment Health Assessment (PDHA) data completed 1-6 months post-injury. The PTSD screening outcome was identified using a four-item screening tool on the PDHA. RESULTS Compared to those with NBI, personnel with BI had more severe injuries, reported higher levels of combat exposure, and had higher rates of positive PTSD screen. After adjusting for covariates, personnel with BI were twice as likely to screen positive for PTSD compared to those with NBI (odds ratio [OR], 2.10; 95% confidence interval [CI], 1.60-2.75). In multivariable analysis among battle-injured personnel only, moderate and serious-severe injury (OR, 1.49; 95% CI, 1.12-2.00 and OR, 1.64; 95% CI, 1.01-2.68, respectively), previous mental health diagnosis within 1 year of deployment (OR, 2.69; 95% CI, 1.50-4.81), and previous BI (OR, 1.96; 95% CI, 1.22-3.16) predicted a positive PTSD screen. CONCLUSIONS Military personnel with BI have increased odds of positive PTSD screen following combat deployment compared to those with NBI. Post-deployment health questionnaires may benefit from questions that specifically address whether service members experienced an injury during combat.
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Affiliation(s)
- Andrew J Macgregor
- Department of Medical Modeling, Simulation and Mission Support, Naval Health Research Center, San Diego, CA, United States.
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40
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Macera CA, Aralis HJ, Macgregor AJ, Rauh MJ, Galarneau MR. Postdeployment symptom changes and traumatic brain injury and/or posttraumatic stress disorder in men. ACTA ACUST UNITED AC 2013; 49:1197-208. [PMID: 23341312 DOI: 10.1682/jrrd.2011.07.0131] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
In Operation Iraqi Freedom and Operation Enduring Freedom, blast-related injuries associated with combat are frequent and can result in traumatic brain injury (TBI) symptoms that may be difficult to distinguish from psychological problems. Using data from the Post-Deployment Health Assessment and Reassessment, we identified 12,046 male U.S. Navy sailors and Marines with reported combat exposure from 2008 to 2009. Symptoms potentially associated with blast-related TBI and posttraumatic stress disorder (PTSD) that were reported immediately after deployment were compared with symptoms present several months later. Our study supports others that have found that subjects with blast-related injuries may experience the development or worsening of symptoms during the months following deployment. Additionally, our study found that those who screened positive for PTSD and TBI formed a unique group, with the presence of TBI exacerbating development of PTSD symptoms at reassessment. Providers should recognize the late development of symptoms, consider the possibility of comorbidity, and be prepared to treat multiple symptoms rather than a specific diagnostic category.
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Affiliation(s)
- Caroline A Macera
- Warfighter Performance Department and Medical Modeling, Simulation and Mission Support Department, Naval Health Research Center, San Diego, CA, USA
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41
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Eskridge SL, Macera CA, Galarneau MR, Holbrook TL, Woodruff SI, MacGregor AJ, Morton DJ, Shaffer RA. Influence of combat blast-related mild traumatic brain injury acute symptoms on mental health and service discharge outcomes. J Neurotrauma 2013; 30:1391-7. [PMID: 23489170 DOI: 10.1089/neu.2012.2537] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Assessment of acute mild traumatic brain injury (mTBI) symptoms after a combat blast could aid diagnosis and guide follow-up care. Our objective was to document acute mTBI symptoms following a combat blast and to examine associations between acute symptoms and mental health and service discharge outcomes. A retrospective cohort study was conducted with 1656 service personnel who experienced a combat blast-related mTBI in Iraq. Acute mTBI symptoms were ascertained from point-of-injury medical records. The associations between acute symptoms and posttraumatic stress disorder (PTSD), postconcussion syndrome (PCS), and type of service discharge were examined. Disability discharge occurred in 11% of patients, while 36% had a non-disability discharge and 52% had no recorded discharge. A PTSD and PCS diagnosis was made in 19% and 15% of the sample, respectively. The most common acute mTBI symptoms were headache (62.8%), loss of consciousness (LOC) (34.5%), and tinnitus (33.2%). LOC was predictive of PTSD (odds ratio [OR] 1.54; 95% confidence interval [CI] 1.18, 2.00) and PCS (OR 2.08; 95% CI 1.56, 2.77), while altered mental status (OR 1.53; 95% CI 1.07, 2.17) and previous blast history (OR 1.83; 95% CI 1.15, 2.90) also were predictive of PCS. While no acute mTBI symptoms were associated with discharge outcomes, injury severity was associated with disability discharge. LOC after blast-related mTBI was associated with PTSD and PCS, and injury severity was predictive of disability discharge. The assessment of cognitive status immediately after a blast could assist in diagnosing mTBI and indicate a need for follow-up care.
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Affiliation(s)
- Susan L Eskridge
- Department of Medical Modeling, Simulation, and Mission Support, San Diego, CA 92106, USA.
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Eskridge SL, Macera CA, Galarneau MR, Holbrook TL, Woodruff SI, MacGregor AJ, Morton DJ, Shaffer RA. Combat blast injuries: Injury severity and posttraumatic stress disorder interaction on career outcomes in male servicemembers. ACTA ACUST UNITED AC 2013; 50:7-16. [DOI: 10.1682/jrrd.2012.01.0004] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Rauh MJ, Aralis HJ, Melcer T, Macera CA, Sessoms P, Bartlett J, Galarneau MR. Effect of traumatic brain injury among U.S. servicemembers with amputation. ACTA ACUST UNITED AC 2013; 50:161-72. [DOI: 10.1682/jrrd.2011.11.0212] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Dougherty AL, MacGregor AJ, Han PP, Viirre E, Heltemes KJ, Galarneau MR. Blast-related ear injuries among U.S. military personnel. ACTA ACUST UNITED AC 2013; 50:893-904. [DOI: 10.1682/jrrd.2012.02.0024] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2012] [Revised: 01/23/2013] [Indexed: 11/05/2022]
Affiliation(s)
- Amber L. Dougherty
- Department of Medical Modeling, Simulation, and Mission Support, Naval Health Research Center, San Diego, CA
| | - Andrew J. MacGregor
- Department of Medical Modeling, Simulation, and Mission Support, Naval Health Research Center, San Diego, CA
| | - Peggy P. Han
- Department of Medical Modeling, Simulation, and Mission Support, Naval Health Research Center, San Diego, CA
| | - Erik Viirre
- Warfighter Performance Department, Naval Health Research Center, San Diego, CA
| | - Kevin J. Heltemes
- Department of Medical Modeling, Simulation, and Mission Support, Naval Health Research Center, San Diego, CA
| | - Michael R. Galarneau
- Department of Medical Modeling, Simulation, and Mission Support, Naval Health Research Center, San Diego, CA
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Heltemes KJ, Holbrook TL, Macgregor AJ, Galarneau MR. Blast-related mild traumatic brain injury is associated with a decline in self-rated health amongst US military personnel. Injury 2012; 43:1990-5. [PMID: 21855064 DOI: 10.1016/j.injury.2011.07.021] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2011] [Revised: 06/30/2011] [Accepted: 07/25/2011] [Indexed: 02/02/2023]
Abstract
INTRODUCTION Mild traumatic brain injury (MTBI) has emerged as the preeminent injury of combat from the recent conflicts in Iraq and Afghanistan. Very little is known about short- and long-term outcomes after combat-related MTBI. As a measure of outcome after injury, self-rated health is a reliable, widely used measure that assesses perceived health. The primary aim of this study was to determine the effect of combat-related MTBI on self-reported health status after return from deployment. The secondary objective was to examine predictors of a decline in self-reported health status amongst US service members with MTBI, as compared to those service members with other minor non-TBI injuries. PATIENTS AND METHODS MTBI cases and an injured comparison group were identified from the Expeditionary Medical Encounter Database records of 1129 male, US service members who experienced blast-related injuries in Iraq from March 2004 to March 2008. Self-rated health was assessed from the routinely administered pre- and post-deployment health assessment questionnaires by the following question, "Overall, how would you rate your health during the past month?" Possible responses were "poor", "fair", "good", "very good", or "excellent." A distinction was made between minor and major negative changes in health (i.e., very good to fair) based on these self-rated health outcomes captured post-injury. RESULTS For all personnel, post-injury levels of self-rated health were statistically significantly worse than pre-injury health rating. At 6months post-injury, service members with MTBI were 5 times more likely to report a major negative change in health as compared to members with other mild injuries. This association was independent of age, rank, branch of service, Injury Severity Score, mental health diagnosis prior to injury, and having been referred to a health care professional. DISCUSSION Blast-related injuries, specifically MTBI, during deployment have negative consequences on service members' perception of health. Future research is needed to improve our understanding of the overall effects of MTBI on health and quality of life.
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Affiliation(s)
- Kevin J Heltemes
- Department of Medical Modeling, Simulation, and Mission Support, Naval Health Research Center, 140 Sylvester Road, San Diego, CA 92106, United States.
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Eskridge SL, Macera CA, Galarneau MR, Holbrook TL, Woodruff SI, MacGregor AJ, Morton DJ, Shaffer RA. Injuries from combat explosions in Iraq: injury type, location, and severity. Injury 2012; 43:1678-82. [PMID: 22769977 DOI: 10.1016/j.injury.2012.05.027] [Citation(s) in RCA: 115] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2011] [Revised: 05/02/2012] [Accepted: 05/27/2012] [Indexed: 02/02/2023]
Abstract
INTRODUCTION Explosions have caused a greater percentage of injuries in Iraq and Afghanistan than in any other large-scale conflict. Improvements in body armour and field medical care have improved survival and changed the injury profile of service personnel. This study's objective was to determine the nature, body region, and severity of injuries caused by an explosion episode in male service personnel. MATERIALS AND METHODS A descriptive analysis was conducted of 4623 combat explosion episodes in Iraq between March 2004 and December 2007. The Barell matrix was used to describe the nature and body regions of injuries due to a combat explosion. RESULTS A total of 17,637 International Classification of Diseases, Ninth Revision (ICD-9) codes were assigned to the 4623 explosion episodes, with an average of 3.8 ICD-9 codes per episode. The most frequent single injury type was a mild traumatic brain injury (TBI; 10.8%). Other frequent injuries were open wounds in the lower extremity (8.8%) and open wounds of the face (8.2%), which includes tympanic membrane rupture. The extremities were the body regions most often injured (41.3%), followed by head and neck (37.4%) and torso (8.8%). CONCLUSION The results of this study support previous observations of TBI as a pre-eminent injury of the wars in Iraq and Afghanistan, with mild TBI as the most common single injury in this large cohort of explosion episodes. The extremities had the highest frequency of injuries for any one body region. The majority of the explosion episodes resulted in more than one injury, and the variety of injuries across nearly every body region and injury type suggests a complex nature of explosion injuries. Understanding the constellation of injuries commonly caused by explosions will assist in the mitigation, treatment, and rehabilitation of the effects of these injuries.
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Affiliation(s)
- Susan L Eskridge
- Department of Medical Modeling and Simulation, Naval Health Research Center, San Diego, CA, United States.
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MacGregor AJ, Dougherty AL, Mayo JA, Rauh MJ, Galarneau MR. Occupational Correlates of Low Back Pain Among U.S. Marines Following Combat Deployment. Mil Med 2012; 177:845-9. [DOI: 10.7205/milmed-d-12-00021] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
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Schmitz KJ, Schmied EA, Webb-Murphy JA, Hammer PS, Larson GE, Conway TL, Galarneau MR, Boucher WC, Edwards NK, Johnson DC. Psychiatric diagnoses and treatment of U.S. military personnel while deployed to Iraq. Mil Med 2012; 177:380-9. [PMID: 22594127 DOI: 10.7205/milmed-d-11-00294] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
Military personnel deployed in support of combat operations are at significantly higher risk for mental health problems. However, much of what we know about combat-related mental health comes from postdeployment assessments. This study describes the mental health of 1,336 treatment-seeking deployed U.S. military personnel and interventions recommended by military mental health providers in Iraq from January 2006 to January 2007. Cases were primarily young enlisted men, most of whom were on their first combat deployment. Marines made up the majority of the cases (60%), but there were also large numbers of Army and Navy personnel. The most common psychiatric diagnoses were anxiety disorders (31%, including 11% with posttraumatic stress disorder), followed by adjustment (27%) and mood disorders (25%, including 22% with depression). Medication was the most commonly prescribed treatment for patients with psychiatric diagnoses but was often combined with recommendations for psychotherapy/counseling and/or behavioral modifications. The findings illustrate the distribution of mental health conditions seen among treatment-seeking troops while actively serving in a combat environment and the interventions recommended for them. Further examination of postdeployment health outcomes may help to facilitate the development of more effective acute intervention strategies in theater.
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Affiliation(s)
- Kimberly J Schmitz
- Naval Center for Combat & Operational Stress Control, 34960 Bob Wilson Drive, Suite 400, San Diego, CA 92134, USA
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MacGregor AJ, Dougherty AL, Morrison RH, Quinn KH, Galarneau MR. Repeated concussion among U.S. military personnel during Operation Iraqi Freedom. ACTA ACUST UNITED AC 2012; 48:1269-78. [PMID: 22234670 DOI: 10.1682/jrrd.2011.01.0013] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Concussions are a predominant injury of the conflicts in Iraq and Afghanistan. The aims of this study were to describe repeated concussive events among U.S. military personnel injured in Operation Iraqi Freedom and examine subsequent healthcare utilization. We reviewed clinical records from the Expeditionary Medical Encounter Database to identify service members with repeat concussions. We abstracted demographic and injury-specific variables, calculated time between events, and identified healthcare utilization from electronic medical databases. Overall, 113 personnel experienced more than one concussion between 2004 and 2008. A majority of these incidents were blast related. The median time between events was 40 days, with 20% experiencing a second event within 2 weeks of the first and 87% within 3 months. Time between events was not associated with severity of the second event. Greater severity of the second concussive event was associated with higher postinjury utilization of mental health and neurology services. This study is one of the first to describe repeated concussions in a combat setting. We found that repeated concussions occur within a short interval among deployed personnel, although the effects of the first event are unclear. Further research is needed to define the effect of repeated concussions on the health of combat veterans.
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Affiliation(s)
- Andrew J MacGregor
- Department of Medical Modeling, Simulation, and Mission Support, Naval Health Research Center, 140 Sylvester Rd., San Diego, CA 92106-5122, USA
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MacGregor AJ, Han PP, Dougherty AL, Galarneau MR. Effect of dwell time on the mental health of US military personnel with multiple combat tours. Am J Public Health 2012; 102 Suppl 1:S55-9. [PMID: 22390601 DOI: 10.2105/ajph.2011.300341] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
OBJECTIVE We investigated the association of the length of time spent at home between deployments, or dwell time, with posttraumatic stress disorder (PTSD) and other mental health disorders. METHODS We included US Marine Corps personnel identified from military deployment records who deployed to Operation Iraqi Freedom once (n = 49,328) or twice (n = 16,376). New-onset mental health diagnoses from military medical databases were included. We calculated the ratio of dwell-to-deployment time (DDR) as the length of time between deployments divided by the length of the first deployment. RESULTS Marines with 2 deployments had higher rates of PTSD than did those with 1 deployment (2.1% versus 1.2%; P < .001). A DDR representing longer dwell times at home relative to first deployment length was associated with reduced odds of PTSD (odds ratio [OR] = 0.47; 95% confidence interval [CI] = 0.32, 0.70), PTSD with other mental health disorder (OR = 0.56; 95% CI = 0.33, 0.94), and other mental health disorders (OR = 0.62; 95% CI = 0.51, 0.75). CONCLUSIONS Longer dwell times may reduce postdeployment risk of PTSD and other mental health disorders. Future research should focus on the role of dwell time in adverse health outcomes.
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Affiliation(s)
- Andrew J MacGregor
- Department of Medical Modeling, Simulation, and Mission Support, Naval Health Research Center, San Diego, CA 92106, USA.
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