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(no author information available yet)
From 2001 through 2016, there were 1,519 incident diagnoses of exertional hyponatremia among active component service members (incidence rate: 6.9 cases per 100,000 person-years [p-yrs]). The incidence rate in 2016 (6.6 cases per 100,000 p-yrs) represented a decrease of 23.3% from 2015. Compared to their respective counterparts, overall incidence rates of exertional hyponatremia were higher among females, those aged 19 years or younger, and recruit trainees. The overall incidence rate during the surveillance period was highest in the Marine Corps, intermediate in the Army and Air Force, and lowest in the Navy...
March 2017: MSMR
(no author information available yet)
Among active component service members in 2016, there were 525 incident diagnoses of rhabdomyolysis likely due to physical exertion and/or heat stress ("exertional rhabdomyolysis"). The crude incidence rate in 2016 was 40.7 cases per 100,000 person-years. Annual rates of incident diagnoses of exertional rhabdomyolysis increased 46.2% between 2013 and 2016, with the greatest percentage change occurring between 2014 and 2015. In 2016, relative to their respective counterparts, the highest incidence rates of exertional rhabdomyolysis affected service members who were male; younger than 20 years of age; and black, non-Hispanic...
March 2017: MSMR
(no author information available yet)
In 2016, there were 2,536 incident diagnoses of heat illness among active component service members (incidence rate: 1.96 cases per 1,000 person-years [p-yrs]). The overall crude incidence rates of heat stroke and "other heat illness" were 0.31 and 1.65 per 1,000 p-yrs, respectively. In 2016, subgroup-specific incidence rates of heat stroke were highest among males and service members aged 19 years or younger, Asian/Pacific Islanders, Marine Corps and Army members, recruit trainees, and those in combat-specific and "other" occupations...
March 2017: MSMR
Valerie F Williams, Shauna Stahlman, Devin J Hunt, Francis L O'Donnell
From 2001 through 2016, a total of 276,858 active component service members received first-time diagnoses of traumatic brain injury (TBI). Person-time and incident cases of TBI were assigned to one of three groups. Group 1 included only service members' person-time before their first-ever deployments. Group 2 included service members' person-time during their overseas deployments and the 30 days after their return from deployment. Group 3 included only service members' person-time more than 30 days after return from deployment...
March 2017: MSMR
Valerie F Williams, Shauna Stahlman, Gi-Taik Oh
From 1 January 2013 through 31 December 2015, a total of 3,912 medical evacuations of service members from the U.S. Central Command area of responsibility were followed by at least one medical encounter in a fixed medical facility outside the operational theater. Overall, there were more medical evacuations for mental disorders than for any other category of illnesses or injuries. Among all service members, annual rates of medical evacuations attributable to battle injuries decreased from 3.4 per 1,000 deployed personyears (dp-yrs) in 2013 to a low of 0...
February 2017: MSMR
John F Brundage, Valerie F Williams, Shauna Stahlman, Mark G McNellis
During the 15-year surveillance period, there were 2,233 incident diagnoses of malignant melanoma among members of the active component of the U.S. military (unadjusted incidence rate 1.08 cases per 10,000 person-years [p-yrs]). Unadjusted incidence rates were highest in the fi xed-wing pilot/ crew group (2.45 per 10,000 p-yrs); lowest in the infantry, special operations, combat engineer group (0.77 per 10,000 p-yrs); and intermediate among healthcare providers (1.33 per 10,000 p-yrs) and all others (1.07 per 10,000 p-yrs)...
February 2017: MSMR
Shauna Stahlman, Valerie F Williams, Stephen B Taubman
During the surveillance period, there were 2,040 incident diagnoses/reports of leishmaniasis among members of the U.S. Armed Forces. Cutaneous leishmaniasis accounted for more than three-fifths (61.0%) of the total diagnoses/ reports among active component service members and for less than half (48.0%) of the total cases among reserve component members. The visceral form of leishmaniasis represented 1.2% of the total cases. Approximately two-fifths (40.6%) of the total diagnoses/reports were classified as "unspecified" with respect to the type of leishmaniasis...
February 2017: MSMR
Francis L O'Donnell, Shauna Stahlman, Stephen B Taubman
No abstract text is available yet for this article.
January 2017: MSMR
Shauna Stahlman, Eric C Garges, Saixia Ying, Leslie L Clark
High rates of sexually transmitted infections (STIs), including Chlamydia trachomatis (CT), have been documented among U.S. military service members. However, it is unknown whether phases of the deployment cycle affect risk for CT. This article characterizes the rates of CT infections during the predeployment, deployment, and post-deployment phases for active component members of the U.S. Army, Navy, Air Force, and Marine Corps during 2008-2015. Cases of CT were defined using laboratory, reportable medical event, and prescription data in a sensitivity analysis approach...
January 2017: MSMR
Valerie F Williams, Shauna Stahlman, Zheng Hu
From 2008 through 2015, a total of 9,092 incident cases of diabetes mellitus (DM) were reported among active component service members (incidence rate 82.8 cases per 100,000 person-years [p-yrs]). The overall incidence rate of type 1 DM was 3.0 cases per 100,000 p-yrs. The rate of type 2 DM was 74.5 cases per 100,000 p-yrs and rates doubled within each successive age group. Male service members had higher rates of both types of DM, compared to female service members. Black, non-Hispanic service members; service members of other or unknown race/ethnicity; and Hispanic service members had much higher rates of type 2 DM, compared to white, non-Hispanic service members...
January 2017: MSMR
(no author information available yet)
Malaria infection remains an important health threat to U.S. service members who are located in endemic areas because of long-term duty assignments, participation in shorter-term contingency operations, or personal travel. In 2016, 57 service members were diagnosed with or reported to have malaria, which is the highest number of cases since 2011 (n=124). The relatively low numbers of cases during 2012-2016 mainly reflect decreases in cases acquired in Afghanistan, a reduction due largely to the progressive withdrawal of U...
January 2017: MSMR
Daniela E Poss, James V Writer, Stric Harris
The introduction and rapid spread of Zika virus (ZIKV) across the Western Hemisphere have posed a risk of infection to Military Health System (MHS) beneficiaries. The associated consequences of infection and the dynamics of transmission may place a unique burden on military personnel, their dependents, and the MHS. This article summarizes the impact of ZIKV transmission on MHS beneficiaries between 1 January and 30 November 2016. Cases were identified from a variety of sources, including direct reporting from the services, extraction of laboratory data, and data from the Defense Medical Surveillance System (DMSS) Reportable Medical Events database...
December 2016: MSMR
Terrence Lee, Stephen B Taubman, Valerie F Williams
From 1 January 2005 through 31 December 2014, a total of 8,819 incident diagnoses of non-melanoma skin cancer (NMSC) (incidence rate 64.6 cases per 100,000 person-years [p-yrs]) were documented in the health records of 6,670 active component service members. During the surveillance period, there was a very slight decrease in the annual crude incidence rates of NMSC; rates of NMSC peaked in 2007 (68.3 cases per 100,000 p-yrs) and were at their lowest in 2013 (60.4 cases per 100,000 p-yrs). Increasing age was associated with increased risk of NMSC...
December 2016: MSMR
Leslie L Clark, Stephen B Taubman
Acetaminophen, a drug commonly used to relieve pain and fever, is generally safe and effective when used as directed. However, acetaminophen overdose can cause serious adverse events, including liver damage and death. From 2006 through 2015, a total of 2,588 cases of acetaminophen overdose were identified in active component military members. Rates of acetaminophen overdose declined during this 10-year surveillance period, from 2.2 cases per 10,000 person-years (p-yrs) in 2006 to 1.2 cases per 10,000 p-yrs in 2015...
November 2016: MSMR
Michelle Canham-Chervak, Ryan A Steelman, Anna Schuh, Bruce H Jones
Injuries are a barrier to military medical readiness, and overexertion has historically been a leading mechanism of injury among active duty U.S. Army soldiers. Details are needed to inform prevention planning. The Defense Medical Surveillance System (DMSS) was queried for unique medical encounters among active duty Army soldiers consistent with the military injury definition and assigned an overexertion external cause code (ICD-9: E927.0-E927.9) in 2014 (n=21,891). Most (99.7%) were outpatient visits and 60% were attributed specifically to sudden strenuous movement...
November 2016: MSMR
Valerie F Williams, Leslie L Clark, Gi-Taik Oh
Up to 80% of women experience some form of nausea and vomiting during pregnancy. However, in some women, nausea and vomiting can be excessive and require inpatient and/or outpatient treatment. Data were obtained on 149,071 live births from 116,510 service women from 1 January 2005 through 31 December 2014. A total of 19,175 of the service women with live births had pregnancies complicated by excessive vomiting in pregnancy (EVP) and accounted for 20,511 EVP cases (overall rate of 13.8%). Mild and severe hyperemesis gravidarum (HG) combined accounted for almost two-thirds of the total EVP cases...
November 2016: MSMR
(no author information available yet)
No abstract text is available yet for this article.
October 2016: MSMR
Francis L O'Donnell, Stephen B Taubman
From July 2015 through June 2016, a total of 447 members of the active (n=383) and reserve (n=64) components had at least one medical encounter with a primary diagnosis of cold injury. The numbers of affected individuals in both components were the lowest since the 2011-2012 cold season, when the total was 394. In the active component, the service-specific incidence rates for each of the four services were lower than the respective rates for the previous (2014-2015) cold season. Frostbite was the most common type of cold injury...
October 2016: MSMR
Amy E Rogers, Shauna Stahlman, Devin J Hunt, Gi-Taik Oh, Leslie L Clark
Obstructive sleep apnea (OSA) is a growing health concern in both civilian and military populations. Individuals who suffer from OSA have increased rates of cardiovascular disease, chronic fatigue, motor vehicle accidents, cognitive impairment, and post-traumatic stress disorder. Data from the Defense Medical Surveillance System (DMSS) were utilized to examine the incidence of OSA and associated attrition from service in active component military members from 1 January 2004 through 31 May 2016. The study identified 223,731 incident cases of OSA with an overall incidence rate of 139...
October 2016: MSMR
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