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PubMed2004

[Neurological and mental disorders in combatants].

Four hundred and twenty patients admitted to the veteran's hospital with neuro- and psychopathology have been examined. Along with clinical, neurological, psychiatric and psychological methods, electroencephalography, computed tomography, electrocardiography, ultrasonic and X-ray methods for nervous system investigation as well as biochemical and immunological blood examination were used. The following disorders were singled out: (1) mental disorders--neurosis, personality pathology, post-traumatic stress disorder and different types of addictions (alcoholism, drug dependence): (2) consequences of craniocerebral and other injuries; (3) psychosomatic pathology. The prevalence, clinical manifestations and dynamics of each group of disorders are studied and their patho- and sanogenesis in terms of theory of functional systems are regarded.

Adult↗
PubMed2005

Cooler biologically compatible core body temperatures may prolong longevity and combat neurodegenerative disorders.

Scientific evidence suggests the critical role of temperature in regulating three mechanisms contributing to cellular damage: Oxidative stress, oxygen demand overload and inflammation. In this article, we propose that the Arrhenius rate law has a profound impact on aging and a variety of neurodegenerative disorders including Alzheimer's disease, and we review the supporting evidence. Published studies suggest empirical correlations between temperature and lifespan of various organisms, bolstering the hypothesis that variations in lifespan may stem from differences in the mitochondrial production rates of radicals - a process also influenced by temperature. Given the exponential temperature dependency of all biochemical factors, cooler body temperatures may promote longevity and combat neurodegenerative disorders. This promises to offer extraordinary yet unexplored weapons against two formidable enemies of the human body: aging and neurodegenerative disorders. Stated in the form of a thesis referred to as Salerian and Saleri Temperature Thesis (SSTT): "Cooler biologically compatible core body temperatures prolong lifespan and are of value to combat illness". Double blind studies of SSTT in therapeutic strategies against amyotrophic lateral sclerosis (ALS) or early-stage Alzheimer's disease may offer a reasonable first stage to validate SSTT. In view of the known rapid progressive neurodegeneration associated with ALS, minute variations in core body temperature may, in fact, demonstrate statistically significant differences in disease progression.

Animals↗
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↗
PubMed1999

[The mechanisms of central regulation disorder under combat exposure conditions].

Results of research in central regulation system's disorders in the local wars' participants suffering from environmental psychoemotional and traumatic stress. It has been established, that there was an upsetting of interaction between neurodynamic processes in the sub-dominant hemisphere and a reduction of the functional reserve of the brain. Neurophysiology disorders discovered come from the pathological system that had been formed up in the central nervous system preserve their persistence for several years after the war.

Acute Disease↗
PubMed2004

Relationship of alcohol craving to symptoms of posttraumatic stress disorder in combat veterans.

To examine the relationship of alcohol craving to symptoms of posttraumatic stress disorder (PTSD), 129 male veterans with chronic PTSD were asked to complete the Obsessive Compulsive Drinking Scale (OCDS), the Mississippi Scale for combat-related PTSD symptoms, and other instruments to assess general psychopathology and lifetime alcohol and substance use. No correlations were found between current PTSD symptoms and alcohol craving, although significant correlations were found between the OCDS and measures of lifetime alcohol and substance use.

Alcoholism↗
PubMed1998

Current combat-related disorders in the absence of PTSD among Australian Vietnam veterans.

The research literature on the psychiatric consequences of the Vietnam War focuses primarily on the construct of Posttraumatic Stress Disorder (PTSD), after an initial focus in the 1970s on depression and alcohol and substance abuse. The present paper examines the hypothesis that among men without current PTSD, those with higher combat in Vietnam will be more likely to have current DSM-III-R illnesses. The Australian Vietnam Veterans' Health Study (AVVHS) collected a broad range of interview data on 641 Vietnam veterans throughout 1990-1993. Measures of combat exposure, age at embarkation to Vietnam, enlistment IQ and pre-Army personality problems were drawn from Army records of the era. Retrospective measures of combat were obtained at interview. The interview also involved the administration by trained lay interviewers of the DSM-III-R based Diagnostic Interview Schedule (DIS). This epidemiological instrument provides current psychiatric diagnoses as well as temporal (retrospective) symptom and diagnosis onset data. The results of this study show that current disorders (without PTSD comorbidity) with onsets within 5 years of embarkation to Vietnam are more likely among men who saw higher combat, as indexed by combat-exposure measures drawn from Army records of the era as well as retrospective self-report. This combat relatedness remains when age at embarkation. IQ at enlistment and pre-Army personality measures are used as covariates. No more than 11.4% of sampled Vietnam veterans currently meet DSM-III-R diagnostic criteria for PTSD, while a further 7.8% do not have current PTSD but do have some other current DIS diagnosis with onset in the 5-year period following (first) emabarkation to Vietnam. Our data support the hypothesis that the current illnesses of many of these men without PTSD are combat-related DSM-III-R illnesses.

Adult↗
PubMed1995

Clinical presentation of disorders of extreme stress in combat veterans.

Disorders of extreme stress (DES), previously referred to as disorders of extreme stress not otherwise specified and/or complex posttraumatic stress disorder, is a proposed diagnosis designed to describe the symptom presentation of those repeatedly exposed to traumatic stressors. Little is known, however, about the applicability of DES to combat veterans. We clinically assessed combat veterans for the presence or absence of DES in order to provide descriptive clinical information about the severity and patterns of endorsement of DES symptoms among combat veterans. Results indicate that DES is relevant to veterans and the implications of these results for both diagnoses and treatment are discussed.

Combat Disorders↗
PubMed1998

Atrocities exposure in Vietnam combat veterans with chronic posttraumatic stress disorder: relationship to combat exposure, symptom severity, guilt, and interpersonal violence.

Vietnam combat veterans (N = 151) with chronic posttraumatic stress disorder (PTSD) completed measures of atrocities exposure, combat exposure, PTSD symptom severity, guilt and interpersonal violence. PTSD symptom severity, guilt and interpersonal violence rates were similar to previously reported studies that examined treatment seeking combat veterans with PTSD. Controlling for combat exposure, endorsement of atrocities exposure was related to PTSD symptom severity, PTSD B (reexperiencing) symptoms, Global Guilt, Guilt Cognitions, and cognitive subscales of Hindsight-Bias/Responsibility and Wrongdoing. These results are discussed in the context of previous research conducted regarding atrocities exposure and PTSD.

Guilt↗
PubMed2000

Psychotic symptoms and comorbid psychiatric disorders in Croatian combat-related posttraumatic stress disorder patients.

AIM: To investigate the prevalence rate of post-traumatic stress disorder (PTSD) comorbid psychiatric disorders and to explore psychotic symptoms in patients with combat-related current PTSD. METHOD: The sample included Croatian war veterans (N=41) who were hospitalized at the University Department of Psychiatry of the Vrapèe Psychiatric Hospital during the 1995-1996 period and fulfilled the DSM-IV criteria for the current and chronic PTSD. The Schedule for Affective Disorder and Schizophrenia (SADS-L) was applied for the assessment of current and lifetime psychiatric disorders. Only three subjects had a prewar Axis I psychiatric disorder. One third of the patients met the criteria for personality disorder. RESULTS: After severe combat trauma, the majority of PTSD patients (33/41) had at least one comorbid psychiatric diagnosis on Axis I. In those with personality disorders the most frequent was alcohol dependence, whereas in those without personality disorders it was major depressive disorder. Psychotic symptoms occurred in 8 out of 41 PTSD patients. None of them had a primary psychotic disorder or a personality disorder. In all the patients, psychotic symptoms were different from flashbacks. They were symbolically related to the trauma and resistant to antipsychotic treatment. Psychotic symptoms were associated with depression in 5 out of 8 patients with psychotic symptoms. CONCLUSION: Severe and prolonged combat trauma may be followed by the co-occurrence of PTSD and psychotic symptoms, forming the atypical clinical picture of PTSD.

Adult↗
PubMed2001

Open trial of nefazodone for combat veterans with posttraumatic stress disorder.

Fourteen combat veterans completed a 9-week open trial of nefazodone for treatment of posttraumatic stress disorder (PTSD). Overall PTSD symptoms as measured by the Clinician-Administered PTSD Scale (CAPS) showed a modest but statistically significant decrease with nefazodone treatment. Decreases in CAPS reexperiencing and avoidance, but not hyperarousal symptoms, approached statistical significance. Anxiety decreased significantly, and there were trends toward decreased depression and anger on structured assessments. This study adds to the clinical evidence that nefazodone may be helpful for the management of PTSD symptoms.

Adult↗
PubMed2006

Down-regulation of microglial activation may represent a practical strategy for combating neurodegenerative disorders.

Chronic neurodegenerative disorders are characterized by activation of microglia in the affected neural pathways. Peroxynitrite, prostanoids, and cytokines generated by these microglia can potentiate the excitotoxicity that contributes to neuronal death and dysfunction in these disorders--both by direct effects on neurons, and by impairing the capacity of astrocytes to sequester and metabolize glutamate. This suggests a vicious cycle in which the death of neurons leads to microglial activation, which in turn potentiates neuronal damage. If this model is correct, measures which down-regulate microglial activation may have a favorable effect on the induction and progression of neurodegenerative disease, independent of the particular trigger or target involved in a given disorder. Consistent with this possibility, the antibiotic minocycline, which inhibits microglial activation, shows broad utility in rodent models of neurodegeneration. Other agents which may have potential in this regard include PPARgamma agonists, genistein, vitamin D, COX-2 inhibitors, statins (and possibly policosanol), caffeine, cannabinoids, and sesamin; some of these agents could also be expected to be directly protective to neurons threatened with excitotoxicity. To achieve optimal clinical outcomes, regimens which down-regulate microglial activation could be used in conjunction with complementary measures which address other aspects of excitotoxicity.

Animals↗
PubMed2003

Nutritionally enhanced rice to combat malnutrition disorders of the poor.

Major deficiency disorders, including vitamin A deficiency, are especially common in countries in which rice is the staple food. In response to the devastating effects of vitamin A deficiency, which may include blindness and, even death, "Golden Rice" has been developed to deliver this nutrient to those populations who need it most. The case of Golden Rice is used to demonstrate the challenges of radical GMO opposition, consumer acceptance, and regulation of biotechnology-derived foods.

Developing Countries↗
PubMed1992

Dissociation and posttraumatic stress disorder in Vietnam combat veterans.

OBJECTIVE: This study compared current dissociative symptoms and dissociation at the time of specific traumatic events in Vietnam combat veterans with posttraumatic stress disorder (PTSD) and Vietnam combat veterans without PTSD. METHOD: Vietnam combat veterans who sought treatment for PTSD (N = 53) were compared to Vietnam combat veterans without PTSD (N = 32) who sought treatment for medical problems. Dissociative symptoms were evaluated with the Dissociative Experiences Scale. Dissociation at the time of a combat-related traumatic event was evaluated retrospectively with the modified Dissociative Experiences Questionnaire. The Combat Exposure Scale was used to measure level of combat exposure. RESULTS: There was a significantly higher level of dissociative symptoms, as measured by the Dissociative Experiences Scale, in patients with PTSD (mean = 27.0, SD = 18.0) than in patients without PTSD (mean = 13.7, SD = 16.0). This difference persisted when the difference in level of combat exposure was controlled with analysis of covariance. PTSD patients also reported more dissociative symptoms at the time of combat trauma, as measured retrospectively by the Dissociative Experiences Questionnaire (mean = 11.5, SD = 1.6) than non-PTSD patients (mean = 1.8, SD = 2.1). CONCLUSIONS: Dissociative symptoms are an important element of the long-term psychopathological response to trauma.

Adult↗
PubMed1999

Low platelet-poor plasma concentrations of serotonin in patients with combat-related posttraumatic stress disorder.

BACKGROUND: Combat-related posttraumatic stress disorder (CR-PTSD) is associated with a dysregulation of various neurotransmitter systems. METHODS: We assessed levels of platelet-poor plasma (PPP) norepinephrine (NE), and serotonin (5-HT), and 24-hour urinary excretion of NE, dopamine (DA), and homovanillic acid (HVA) in 17 male outpatients with untreated chronic CR-PTSD (age, 33.1 +/- 7.4 years) and 10 normal control subjects (age, 35.8 +/- 2.7 years). RESULTS: Compared with the control subjects, the PTSD patients showed significantly lower PPP 5-HT levels, elevated PPP NE levels, and significantly higher mean 24-hour urinary excretion of all three catecholamines (NE, DA, and HVA). The 24-hour urinary HVA values of the CR-PTSD patients correlated significantly and positively with the total Impact of Event Scale scores and the avoidance symptoms cluster scores, and the PPP 5-HT levels correlated negatively with the Hamilton Anxiety Rating Scale scores. The PPP NE/5-HT ratio was significantly higher in the study group than in the control subjects. CONCLUSIONS: We believe this combined enhanced noradrenergic activity and diminished 5-HT activity may be relevant to the neurobiology of CR-PTSD.

Adult↗