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PubMed2000

Low paraoxonase in Persian Gulf War Veterans self-reporting Gulf War Syndrome.

Exposure to organophosphate (OP's) insecticides and nerve gases during the Persian Gulf War has been implicated in the development of Gulf War Syndrome. Paraoxonase (PON1) present in human serum detoxifies OP's. We determined the levels of PON1 in the serum of Gulf War Veterans and compared these to those found in a control population. One hundred fifty-two Gulf War Veterans from the UK who self-reported the presence of Gulf War Syndrome via a questionnaire and 152 age and gender matched controls were studied. PON1 activity, concentration, and genotype were determined. In the Gulf War Veterans, paraoxon hydrolysis was less than 50% of that found in the controls (100.3 (14.8-233.8) vs 214.6 (50.3-516.2) nmol/min/ml, P < 0.001). This low activity was independent of the effect of PON1 genotype. The serum PON1 concentration was also lower in the Gulf War Veterans (75.7 (18.1-351.3) vs 88.2 (34.5-527.4) microg/ml, P < 0.00025), which was again independent of PON1 genotype. There was no difference in the rate of diazoxon hydrolysis between the groups (10. 2 +/- 4.1 micromol/min/ml vs 9.86 +/- 4.4, P = NS). A decreased capacity to detoxify OP insecticides resulting from low serum PON1 activity may have contributed to the development of Gulf War Syndrome.

Adult↗
PubMed1975

Follow-up studies of World War II and Korean war prisoners. II. Morbidity, disability, and maladjustments.

US Army veterans taken prisoner (POW's) in World War II and in the Korean War are compared with controls as to hospital admissions from 1946 to 1965 (1954-1965 for Korean War POW's), and as to symptoms, disability, and maladjustments in 1966-1967. Sequelae of the POW experience are both somatic and psychiatric, and are of greatest extent and severity among Pacific World War II POW's. Among European World War II POW's only psychiatric sequelae are apparent. Somatic sequelae were most prevalent in the early years after liberation, but for Pacific World War II POW's they persist in the form of higher hospital admission rates for many specific causes in the most recent period. Nevertheless, persistent psychiatric sequelae (especially psychoneurosis but also schizophrenia) are the more notable and pervasive for both Pacific World War II POW's and Korean War POW's as seen not only in elevated hospital admission rates but also in VA disability awards and in symptoms reported on the cornell Medical Index Health Questionnaire. The excess morbidity appears to correlate well with retrospective accounts of weight-loss and nutritional deficiency diseases and symptoms during the POW period.

Aged↗
PubMed2002

Post-combat syndromes from the Boer war to the Gulf war: a cluster analysis of their nature and attribution.

OBJECTIVES: To discover whether post-combat syndromes have existed after modern wars and what relation they bear to each other. DESIGN: Review of medical and military records of servicemen and cluster analysis of symptoms. DATA SOURCES: Records for 1856 veterans randomly selected from war pension files awarded from 1872 and from the Medical Assessment Programme for Gulf war veterans. MAIN OUTCOME MEASURES: Characteristic patterns of symptom clusters and their relation to dependent variables including war, diagnosis, predisposing physical illness, and exposure to combat; and servicemen's changing attributions for post-combat disorders. RESULTS: Three varieties of post-combat disorder were identified-a debility syndrome (associated with the 19th and early 20th centuries), somatic syndrome (related primarily to the first world war), and a neuropsychiatric syndrome (associated with the second world war and the Gulf conflict). The era in which the war occurred was overwhelmingly the best predictor of cluster membership. CONCLUSIONS: All modern wars have been associated with a syndrome characterised by unexplained medical symptoms. The form that these assume, the terms used to describe them, and the explanations offered by servicemen and doctors seem to be influenced by advances in medical science, changes in the nature of warfare, and underlying cultural forces.

Cluster Analysis↗
PubMed2000

Socioeconomic background and war mortality during Vietnam's wars.

To understand the experience of North Vietnamese soldiers and civilians during the American war, I explore the paths leading Vietnamese men into battle by considering the relationship between socioeconomic status and war mortality. I use data obtained from retrospective information on kin survival and other socioeconomic characteristics given by respondents in the 1995 Vietnam Longitudinal Survey conducted in Vietnam's Red River Delta. My findings are opposite to those often cited to describe the experience of young Americans who fought in the Vietnam war. In Vietnam, sons of better-educated fathers bore the burden of war disproportionately in relation to sons of fathers with less education, both in proportion serving in the military and in diminished survival chances in combat. The Vietnamese experience during the American war testifies to the ability of a nation to reorder society temporarily and to persuade higher-status groups to contribute fully to the war effort. An appreciation of the meaning of this social reshuffling during the American war is critical for understanding the war, Vietnam, and that country's political outlook.

Adolescent↗
PubMed2001

The long-term consequences of war: the experience of World War II.

Seven hundred and thirty-one World War II and Korean War veterans completed a questionnaire about their experiences and their current psychological reactions to the war. Nineteen percent scored above the cut-off points for both the General Health Questionnaire and the (war-related) Impact of Event Scale, demonstrating that, even over 50 years after the event, many veterans still experience problems relating to their war experiences. Psychological distress was in part directly related to particular experiences, but intrusion and avoidance both played an important role as mediating variables. Other factors, such as prisoner of war (POW) status, type of service, rank, and illness were also considered. The findings indicate that the effects of a traumatic experience such as war can persist into later life.

Adaptation, Psychological↗
PubMedDate not supplied

No evidence for altered cellular immune functions in personnel deployed in the Persian Gulf during and after the Gulf War--The Danish Gulf War study.

Veterans who have participated in the Gulf War suffer from a number of symptoms, collectively referred to as the Gulf War Syndrome. It has been hypothesized that a change in the systemic cytokine balance or other changes in immunological parameters could be responsible for some of the symptoms. We analyzed the peripheral blood natural killer (NK) cell activity of 686 Gulf War personnel who had been present in the Persian Gulf area during and immediately after the Gulf War as well as 231 gender and age-matched controls. The test material included individual samples of frozen peripheral blood mononuclear cells kept at -139 degrees C for a period of 50 to 380 days prior to NK cell analysis of freshly thawed cells. Significant differences in NK-cell activity were not observed by direct comparison of the levels of natural cytotoxic activity in the two groups. However, NK-cell cytotoxicity as such decreased due to cryopreservation. Surprisingly, the NK cells obtained from control donors were significantly (p<0.0001) more sensitive to freezing conditions than cells from the Gulf War personnel, leaving the marginal comparison between the two groups untrustworthy, in particular because of the marked difference between the -139 degrees C storage times used for the two groups. Freshly thawed samples of peripheral blood T lymphocytes (CD2+ cells) from 109 randomly selected Gulf War personnel and 68 gender- and age-matched controls were stimulated for 3 days with phytohemagglutinin followed by 4 h activation by phorbol ester and ionomycin, and were stained for intracellular content of interleukin-2, -5, -10 and interferon-gamma. As with natural cytotoxicity, the length of cell storage at -139 degrees C influenced the production of cytokines. No significant differences in the cytokine production between the two groups were observed when the influence of the storage period was taken into consideration. Together, these data suggest that no overall long-term effects on NK-cell function and T-cell cytokine production are present in the Danish Gulf War personnel. Moreover, cryopreservation is a major potential source of bias when studying the physiology of thawed NK and T cells.

Adult↗
PubMed2003

Mortality and postcombat disorders: U.K. veterans of the Boer War and World War I.

This study seeks to investigate the mortality rates of U.K. servicemen with postcombat syndromes following the Boer War and World War I. Random samples of veterans awarded war pensions for either disordered action of the heart (DAH) or neurasthenia/shellshock were compared with gunshot wounded ex-servicemen as controls. The destruction of pension records has led to reliance on groups of the longest lived veterans, which diminishes their representative qualities. Study groups were matched by rank and level of disability. With the exception of DAH cases in World War I, no statistically significant difference in mortality rates was found using Cox proportional hazards. The same DAH subjects were then compared with gunshot wound controls whose disability had been assessed 20% higher, and no statistically significant difference was seen. The reason why World War I veterans with DAH had a reduced life expectancy remains unclear, although it is possible that physician bias in assessment and the termination by the Ministry of Pensions of awards granted to healthy cases may have been factors. Postcombat disorders suffered by U.K. servicemen after the Boer War and World War I were not generally associated with an increased mortality.

Europe↗
PubMed2005

War zone stress without direct combat: the Australian naval experience of the Gulf War.

This study examines psychological stressors reported by Australian Navy Gulf War veterans in relation to the 1991 Gulf War and other military service. Using a 44-item questionnaire, veterans reported few direct-combat encounters during the Gulf War; however, they reported many other stressful experiences, including fear of death and perceived threat of attack, more frequently in relation to the Gulf War than other military service. Reporting of stressful experiences was associated with younger age, lower rank, and deployment at the height of the conflict. These experiences may partly explain increased rates of psychological disorders previously demonstrated in this Navy veteran population. Findings highlight the importance of documenting war experiences in close proximity to deployment, and developing war exposure instruments which include naval activities and which reflect stressors other than those related to direct combat.

Adult↗
PubMed2006

What was different about exposures reported by male Australian Gulf War veterans for the 1991 Persian Gulf War, compared with exposures reported for other deployments?

This study identified chemical and environmental exposures specifically associated with the 1991 Persian Gulf War. Exposures were self-reported in a postal questionnaire, in the period of 2000-2002, by 1,424 Australian male Persian Gulf War veterans in relation to their 1991 Persian Gulf War deployment and by 625 Persian Gulf War veterans and 514 members of a military comparison group in relation to other active deployments. Six of 28 investigated exposures were experienced more frequently during the Persian Gulf War than during other deployments; these were exposure to smoke (odds ratio [OR], 4.4; 95% confidence interval, 3.0-6.6), exposure to dust (OR, 3.7; 95% confidence interval, 2.6-5.3), exposure to chemical warfare agents (OR, 3.9; 95% confidence interval, 2.1-7.9), use of respiratory protective equipment (OR, 13.6; 95% confidence interval, 7.6-26.8), use of nuclear, chemical, and biological protective suits (OR, 8.9; 95% confidence interval, 5.4-15.4), and entering/inspecting enemy equipment (OR, 3.1; 95% confidence interval, 2.1-4.8). Other chemical and environmental exposures were not specific to the Persian Gulf War deployment but were also reported in relation to other deployments. The number of exposures reported was related to service type and number of deployments but not to age or rank.

Adult↗
PubMed2002

[Morbidity trends in the cardio-rheumatology department of the Pediatric Clinic in Sarajevo during the pre-war, war and post-war periods].

In this work is presented the structure of the morbidity of the patients treated at the Cardiohematology department of the Pediatric Clinic in Sarajevo. It were followed four the most frequent groups of the diseases. The results show the trend of the increasing of the number of the hospitalized children with the congenital anomalies of the heart and juvenile chronic arthritis, with the decrease of the number of the ill become by streptococcal infections of the upper respiratory tract and the rheumatic illness. It is increased the number of the hospitalized children is the result of the beginning of the cardiosurgical way of the taking care of these patients. The decreased of the number of the ill become is the consequence of the improvement of the healthcare protection at the primary level with the continuity of the further trend of the decrease of the number of the patients ill become from acute rheumatic disease.

Bosnia and Herzegovina↗
PubMed2003

Olfactory functioning in Gulf War-era veterans: relationships to war-zone duty, self-reported hazards exposures, and psychological distress.

To explore possible neurotoxic sequelae of Gulf War (GW) participation, olfactory identification performance, neurocognitive functioning, health perceptions, and emotional distress were assessed in 72 veterans deployed to the GW and 33 military personnel activated during the GW but not deployed to the war zone. Findings revealed that war-zone-exposed veterans reported more concerns about health, cognitive functioning, and depression than did their counterparts who did not see war-zone duty. There was no evidence that performances on olfactory or neurocognitive measures were related to war-zone duty or to self-reported exposure to GW toxicants. However, symptoms of emotional distress were positively correlated with self-report of health and cognitive complaints. Results do not provide support for the hypothesis that objectively-measured sensory (i.e., olfactory) or cognitive deficits are related to war-zone participation but do underscore the increasingly demonstrated association between self-reported health concerns and symptoms of emotional distress.

Adult↗
PubMed2006

The Balkan Piedmont: male suicide rates pre-war, wartime, and post-war in Serbia and Montenegro.

The epidemiology of suicide in Serbia and Montenegro from 1989 to 2003, a period of civil war, is presented. Following the break-up of former Yugoslavia, Serbia and Montenegro underwent a period of war from 1991-1994 and another in 1999. During the war years, the number of suicides increased, reaching its peak in 1993. Male suicides outnumbered female suicides by a ratio of 2:1. Male suicides decreased slightly after the war of 1991-1994 only to rise in 1997 and continue at this higher level throughout the nineties. In Serbia alone, male suicide reached its peak in 2002 (nearly 29/100,000). The methods of suicide changed significantly, with the use of firearms doubling during and after the war years. Speculations are offered about the findings, many consistent with Durkheim's classical hypothesis concerning suicide and unpopular wars.

Demography↗
PubMed2001

Major reproductive health characteristics in male Gulf War Veterans. The Danish Gulf War Study.

INTRODUCTION: The male reproductive system could have been affected by various hazardous agents and exposures during and in the aftermath of the Persian Gulf War scenario. We tested the hypothesis that, compared to controls, male Danish Gulf War Veterans would have adverse sex hormone levels, decreased fertility, and a larger proportion of adverse pregnancy outcomes including spontaneous abortions, congenital diseases and malformations. MATERIAL AND METHODS: A cross-sectional study was performed during the period January 1997 to January 1998 which included 661 male subjects who had been deployed in the Persian Gulf within the period August 2 1990 until December 31 1997. A control group of 215 Danish military men, not deployed in the Gulf region, was selected with random matching by age and type of work. All participants underwent clinical and paraclinical examinations, and had an interview based on a previously completed comprehensive questionnaire. A venous blood sample was drawn to determine serum concentrations of the follicle-stimulating hormone (FSH), the luteinizing hormone (LH), testosterone, serum hormone binding globulin (SHBG), and inhibin B. The free androgen index was calculated from testosterone and SHBG levels. RESULTS: No differences were found between Gulf War Veterans and controls with respect to any of the reproductive hormones measured, nor with respect to fertility or the prevalence of spontaneous abortions, congenital diseases or malformations among the offspring. Also cohabitational characteristics were similar. CONCLUSION: Based on the results of this study we conclude that the biological reproductive health of male Danish Gulf War Veterans seemed to be unaffected by their engagement in the post war peace-keeping mission.

Adult↗
PubMedDate not supplied

Stories of pre-war, war and exile: Bosnian refugee children in Sweden.

While standardized questionnaires produce counts of isolated events, a semi-structured interview derives a story, a complex narrative in time and place. Ninety Bosnian refugee children and adolescents (ages 1-20), resettled in Sweden, were assessed in a semi-structured clinical interview designed to identify and offer support to children at risk. A family-child account of traumatic exposure was analysed quantitatively and qualitatively. Type-stories or clusters of experience were identified for three distinct periods: prior to war, during war, and after war in exile. The extent of trauma-stress exposure during each of these periods proved unrelated. Pre-war experience presented as preponderantly good and safe. Differences in child exposure during war and exile could be understood in relation to identifiable socio-demographic factors; particularly ethnic background, social class, child age and family size. Further, the stories derived cast light on the equity of Swedish refugee reception, exposing both egalitarian and discriminatory tendencies.

Adaptation, Psychological↗
PubMed1993

History of malaria in the United States Naval Forces at war: World War I through the Vietnam conflict.

Malaria has had a major influence on military campaigns for thousands of years. In this paper we summarize the experience of U.S. Navy and Marine forces with malaria during wars of the twentieth century. During World War I, there were 4,746 new cases of malaria, 68,373 sick-days because of malaria, and 7 deaths due to malaria; during World War II, there were 113,256 new cases, 3,310,800 sick-days, and 90 deaths; and during the Korean War, there were 4,542 new cases, 50,924 sick-days, and no deaths--since most infections were with Plasmodium vivax. During the Vietnam War, there were 24,606 cases of malaria, an estimated 391,965 sick-days because of malaria, and 46 deaths due to malaria. With the worldwide resurgence of malaria, the spread of drug-resistant strains of Plasmodium falciparum, the emergence of chloroquine-resistant P. vivax, and the increasing resistance of Anopheles mosquitoes to insecticides, malaria continues to be an enormous threat to U.S. Navy and Marine Corps personnel deployed to the tropics and subtropics.

History, 20th Century↗