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 51,768 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Patients who have had stroke are at significant risk for various neuropsychiatric illnesses. The most common and important of these are poststroke depression and poststroke dementia (attributable to vascular dementia, Alzheimer's dementia, or a combination of mechanisms). Poststroke neuropathology may lead some patients to experience concurrent and "overlapping" mood and cognitive symptoms. Less frequently, poststroke anxiety disorders, psychosis, isolated pathologic expressions of emotions, and apathy or fatigue may be encountered. The authors review the current literature on poststroke neuropsychiatry and offer an integrated approach to pathophysiologic concepts and clinical surveillance, screening, diagnosis, and evidence-based pharmacologic and nonpharmacologic intervention for these clinical problems on the clinical boundary between neurology and psychiatry.
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PMID:Poststroke Neuropsychiatric Illness: An Integrated Approach to Diagnosis and Management. 1527 61

During World War II, 36 conscientious objectors participated in a study of human starvation conducted by Ancel Keys and his colleagues at the University of Minnesota. The Minnesota Starvation Experiment, as it was later known, was a grueling study meant to gain insight into the physical and psychologic effects of semistarvation and the problem of refeeding civilians who had been starved during the war. During the experiment, the participants were subjected to semistarvation in which most lost >25% of their weight, and many experienced anemia, fatigue, apathy, extreme weakness, irritability, neurological deficits, and lower extremity edema. In 2003-2004, 18 of the original 36 participants were still alive and were interviewed. Many came from the Historic Peace Churches (Mennonite, Brethren, and Quaker), and all expressed strong convictions about nonviolence and wanting to make a meaningful contribution during the war. Despite ethical issues about subjecting healthy humans to starvation, the men interviewed were unanimous in saying that they would do it all over again, even after knowing the suffering that they had experienced. After the experiment ended, many of the participants went on to rebuilding war-torn Europe, working in the ministries, diplomatic careers, and other activities related to nonviolence.
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PMID:They starved so that others be better fed: remembering Ancel Keys and the Minnesota experiment. 1593 Apr 36

Parkinson's disease (PD) is a progressive disease that usually affects the motor system but is also associated with a non-motor symptom (NMS) complex that ranges from dribbling saliva, constipation, depression, sleep disorders, apathy, hallucinations, and dementia. These features contribute significantly to morbidity and institutionalization, more than quadrupling the cost of care. Furthermore, recent evidence suggests that NMS such as constipation, olfaction, rapid eye movement behavior disorder, fatigue, and depression may be markers of a preclinical stage of PD. PD-NMS are not well recognized in clinical practice and part of the reason is the lack of any instrument that aims to assess the complex range of NMS of PD in a unified and integrated manner. Recently, an international, multidisciplinary PD-NMS group has developed an integrated questionnaire and scale to assess NMS of PD in a comprehensive manner. This will help improve care and treatment of PD in the future.
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PMID:The non-motor symptom complex of Parkinson's disease: a comprehensive assessment is essential. 1598 11

Until recently, there was little empirical data regarding the psychological impact of screening for type 2 diabetes. There is now some progress in this area, as evidenced by emerging population based studies reporting on the effects of screening for type 2 diabetes on perceived health status and well-being. Recent studies from our own and other groups show that the diagnosis type 2 diabetes has no substantial adverse or positive effect on the participants' perceived health status and well-being after notification of the test result. Importantly, screening-detected type 2 diabetes patients beforehand perceive their risk for type 2 diabetes to be low, despite the presence of risk factors, such as obesity, hypertension and a family history, and overall report low levels of diabetes-related symptom distress. Yet, screening-detected type 2 diabetes patients were bothered more by symptoms of hyperglycaemia and fatigue in the first year following diagnosis type 2 diabetes than non-diabetics. On the basis of research to date, we conclude that screening for type 2 diabetes in the general population has no serious psychological side effects. Whether lack of emotional response to screening, is because of unawareness or indifference, needs further investigation. Future studies should be aiming towards a better understanding of how to raise the awareness and understanding of type 2 diabetes and its risk factors in high-risk individuals, while avoiding or minimizing negative effects, such as emotional distress and denial. The growing number of younger people developing type 2 diabetes warrants further research into labeling effects of an early diagnosis.
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PMID:The psychological impact of screening for type 2 diabetes. 1614 14

To the ill patient with diabetes, the behavioral symptoms of sickness such as fatigue and apathy are debilitating and can prevent recuperation. Here we report that peripherally administered insulin-like growth factor 1 (IGF-1) attenuates LPS-dependent depression of social exploration (sickness) in nondiabetic (db/+) but not in diabetic (db/db) mice. We show that the insulin/IGF-1 mimetic vanadyl sulfate (VS) is effective at augmenting recovery from sickness in both db/+ and db/db mice. Specifically, peak illness was reached at 2 h for both VS and control animals injected with LPS, and VS mice recovered 50% faster than non-VS-treated animals. Examination of the mechanism of VS action in db/+ mice showed that VS paradoxically augmented peritoneal macrophage responsivity to LPS, increasing both peritoneal and ex vivo macrophage production of IL-1beta and IL-6 but not TNF-alpha. The effects of VS in promoting recovery from sickness were not restricted to LPS, because they were also observed after direct administration of IL-1beta. To explore the possibility that VS impairs immune-to-brain communication via vagal afferents, the vagally mediated satiety-inducing effects of cholecystokinin 8 were tested in db/+ mice. Cholecystokinin decreased food intake in saline-injected mice but not in VS-treated mice. VS also inhibited LPS-dependent up-regulation of IL-1beta and IL-6 mRNA in the brain, while increasing by 50% the cerebral expression of transcripts of the specific antagonist of IL-1 receptors IL-1RA and IL-1R2. Taken together, these data indicate that VS improves recovery from LPS-induced sickness by blocking vagally mediated immune-to-brain signaling and by up-regulating brain expression of IL-1beta antagonists.
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PMID:Inhibition of vagally mediated immune-to-brain signaling by vanadyl sulfate speeds recovery from sickness. 1621 19

Apathy and fatigue, sexual disturbances, mania, sleep disturbances, personality changes, pathologic gambling, and addiction to antiparkinson agents occur in patients with PD and may pose considerable stress on the patients themselves and their caregivers. With the exception of apathy and fatigue, little is known regarding the prevalence of these symptoms in patients with PD. The pathophysiologic mechanisms are unknown, although disturbances of the mesolimbic and mesocortical dopaminergic pathways are probably involved. Antiparkinsonian drugs or surgery seem to be the main etiologic factors for sexual disturbance, hypomania, addiction, and pathologic gambling, whereas hypodopaminergic states may contribute to symptoms such as apathy, fatigue, RBD, and possibly personality changes. Although some placebo-controlled trials have been published recently, no established treatments are currently available for these symptoms (85) (see Table 5-2), and thus future clinical trials are needed.
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PMID:Disorders of motivation, sexual conduct, and sleep in Parkinson's disease. 1638 12

Despite the efficacy of currently available antidepressant treatment, residual symptoms are common among individuals treated for major depressive disorder and are associated with an increased risk of relapse and poor psychosocial functioning. However, distinguishing treatment-emergent side effects from residual symptoms can be challenging for clinicians. Anxiety, sleep disturbance, somnolence/fatigue, apathy and cognitive dysfunction are among the more frequent residual symptoms. Approaches to the management of residual symptoms include addressing treatment-emergent side effects and co-morbid conditions, optimizing antidepressant dosing and using augmentation therapy. Clinicians are often guided in their decisions by anecdotal impressions. Studies assessing the evaluation and treatment of residual symptoms and side effects will contribute importantly to the optimal acute and long-term management of depression.
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PMID:Pharmacological approaches to the treatment of residual symptoms. 1664 69

Night shift nurses are subject to shift lag or circadian dysrhythmia, which may result in physical and mental symptoms ranging from fatigue, irritability, depression, and apathy to gastrointestinal, cardiovascular, and sleep disorders. This study investigated the effect a homeopathic remedy No-Shift-Lag had on the night shift nurses in an intensive care unit. The study was a randomized, double-blind, placebo-controlled, crossover trial. The measures included an objective computer-based vigilance test and a series of subjective questionnaires.
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PMID:Night shift: can a homeopathic remedy alleviate shift lag? 1672 Nov 92

Parkinson's disease is primarily considered to be a movement disorder and is defined by its motor signs. Yet, the behavioral manifestations of the disease are often more debilitating than its motor complications. This review will focus on the non-motor aspects of Parkinson's disease, including mood, psychosis, cognitive, sleep, fatigue, apathy, delirium, and repetitive disorders, that may occur. The phenomenology, pathology, and treatment of the behavioral symptoms of Parkinson's disease will be discussed.
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PMID:Non-motor aspects of Parkinson's disease. 1681 93

In Parkinson's disease (PD), levodopa and subthalamic nucleus (STN) stimulation lead to major improvement in motor symptoms. Effects of both treatments on cognition and affective status are less well understood. Motor, cognitive, and affective symptoms may relate to the dysfunctioning of parallel cortico-striatal loops. The aim of this study was to assess cognition, behavior, and mood, with and without both treatments in the same group of PD patients. A group of 22 nondemented PD patients was included in this study. Patients were tested twice before surgery (off and on levodopa) and twice 3 months after surgery (OFF and ON STN stimulation, off levodopa). Cognitive and affective effects of STN stimulation and levodopa had some common, but also different, effects. STN stimulation improved performance on the planning test, associated with the dorsolateral prefrontal cortex. However, the treatments had opposite effects on tests associated with the orbitofrontal cortex; specifically, levodopa impaired while STN stimulation improved performance on the extinction phase of a reversal/extinction task. Acutely, both treatments improved motivation and decreased fatigue and anxiety. On chronic treatment (3 months after surgery), depression improved, whereas apathy worsened 3 months after surgery. To conclude, there were significant but contrasting effects of levodopa and STN stimulation on cognition and affective functions.
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PMID:Effects of levodopa and subthalamic nucleus stimulation on cognitive and affective functioning in Parkinson's disease. 1683 Mar 17


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