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Although it is clear from previous research that pain is associated with negative affect, the relative contribution of specific affective dimensions, e.g. depression, anxiety and anger, to the subjective experience of chronic pain is unclear. The literature is also mixed concerning the relative importance of state versus trait influences in the experience of chronic pain. The present study analyzed the ability of anxiety, anger, and depression (as measured by the State-Trait Personality Inventory, State-Trait Anger Expression Inventory, and the Beck Depression Inventory, respectively) to predict self-report of clinical pain as indicated by the McGill Pain Questionnaire (MPQ) in a sample of 60 chronic pain patients. The results of stepwise regression analyses consistently demonstrated that the state measures were more strongly related to MPQ pain ratings than trait measures. These data suggest support for the hypothesis that chronic pain adversely impacts mood rather than the opposing hypothesis that negative mood is a predisposing factor in the development of chronic pain. Furthermore, different aspects of the state emotional experience were found to be related to different components of pain report. The results of this study also suggest that attributional processes could be an important component of the relationship between negative mood and the experience of pain.  相似文献   

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Because no gold-standard outcome measure or measures exist to allow comparison of pediatric stroke study outcomes in clinical trials, we designed a systematic review of the literature to survey the current use of pediatric stroke outcome measures. Studies that used at least 1 standardized measure to assess the outcome of children with ischemic or hemorrhagic stroke, from full-term newborn to age 18 years, were included. Although 34 studies were included, an additional 36 studies could not be included because ad hoc, author-generated outcome measures were used. Excluding those measures in neuropsychological batteries, 38 unique outcome measures were used. The Wechsler Intelligence Scales, Pediatric Stroke Outcome Measure, and Bayley Scales of Infant Development were among the most used, but 79% of outcome measures were used by no more than 2 studies. Although many measures used have been validated for use in children with other medical conditions or for adults with stroke, only 1 measure has been specifically validated for use in pediatric ischemic stroke. To maximize comparability of future clinical trial results, agreement regarding a preferred pediatric stroke outcome scale or battery of measures is paramount; these measures should be reliable, responsive to change, and specifically validated for use in children with stroke.  相似文献   

4.
Pain is a complex phenomenon: a sensory experience originating in traumatized tissues; an emotional (affective) experience that signals danger in the internal (body) or external environment; and a "disposition to act" that results either in "action" that prioritizes escape or in "inhibition of action" to minimize injury or facilitate healing. Recent advances in our understanding of the affective components of pain have significant implications for the treatment of chronic pain in children and adolescents. This article describes a chronic pain clinic for children and adolescents developed by the pain service of a large pediatric teaching hospital. Pain is conceptualized and managed in terms of multiple, interrelating systems (the body level, the psychological level, and the social level). This model of care is illustrated with reference to the management of two cases of children with chronic pain and significant functional impairment. A brief overview of the care utilization of 62 children referred to the Chronic Pain Clinic is also provided, with the clinical characteristics of 40 children with somatoform pain disorder (SPD) being described in more detail. Of 28 children with SPD treated with our systems intervention, 82% reported significant reductions in pain intensity, 71% returned to school full time, and 29% part time. An advantage of this integrated, family-based assessment and treatment approach is the overarching emphasis on identifying the contribution of each system to the child's subjective experience of pain, thereby avoiding the deleterious polarization of the pain as either physical or psychogenic in origin.  相似文献   

5.
PURPOSE OF REVIEW: Pain and suffering controversies in persons with disorders of consciousness continue to be debated by the scientific, legal and medical ethics communities. This review examines the current knowledge base for guiding decisions regarding assessment and management of pain in persons with disorders of consciousness. RECENT FINDINGS: Studies have shown that brain processing linked to pain in persons in a vegetative state is incomplete and is processed only at a primary and not higher secondary level. Therefore, such painful stimuli would not reach the threshold for conscious experience. In contrast, persons in a minimally conscious state have been shown to have brain activation patterns to pain similar to controls. Therefore, these patients may have sufficient cortical integration and access to afferent information to allow for nociceptive stimuli to be consciously processed. Data to date do not allow for differentiation of the degree of any conscious pain experience or determination of whether individuals with disorders of consciousness are able to suffer. SUMMARY: Pain and suffering should be considered in all persons with disorders of consciousness and adequately treated. Behavioural assessment scales developed for patients unable to speak could be used to assess pain. Future studies should focus on methodologies for specific pain measures relevant to this unique and challenging patient population.  相似文献   

6.
Pain is a subjective and complex phenomenon. Its complexity is related to its heterogeneity: multiple component processes, including sensation, affect, and cognition, contribute to pain experience and reporting. These components are likely to be encoded in distributed brain networks that interact to create pain experience and pain-related decision-making. Therefore, to understand pain, we must identify these networks and build models of these interactions that yield testable predictions about pain-related outcomes. We have developed several such models or ‘signatures’ of pain, by (1) integrating activity across multiple systems, and (2) using pattern-recognition to identify processes related to pain experience. One model, the Neurologic Pain Signature, is sensitive and specific to pain in individuals, involves brain regions that receive nociceptive afferents, and shows little effect of expectation or self-regulation in tests to date. Another, the ‘Stimulus Intensity-Independent Pain Signature’, explains substantial additional variation in trial-to-trial pain reports. It involves many brain regions that do not show increased activity in proportion to noxious stimulus intensity, including medial and lateral prefrontal cortex, nucleus accumbens, and hippocampus. Responses in this system mediate expectancy and perceived control effects in several studies. Overall, this approach provides a pathway to understanding pain by identifying multiple systems that track different aspects of pain. Such componential models can be combined in unique ways on a subject-by-subject basis to explain an individual’s pain experience.  相似文献   

7.

Objective

The objective of the study was to examine catastrophizing, depression and their interactive effects in predicting disability in patients with chronic pain.

Method

A battery of questionnaires was mailed to primary care patients in a large integrated health care delivery system. The Patient Health Questionnaire was used to assess major depression, the Coping Strategies Questionnaire assessed catastrophizing and the Graded Chronic Pain Scale was used to assess pain intensity and two measures of disability, including self-report of pain interference and days missed from usual activities. Patient medical records were used to assess severe medical illness. Of the 5808 respondents, 2618 met criteria for chronic pain. Multiple regression analyses, covarying for age, gender, severe medical illness and pain intensity, estimated the main and interactive effects of catastrophic thinking and depression on two measures of pain-related disability.

Results

Both catastrophic thinking and depression were statistically significant predictors of both measures of pain-related disability, with larger effect sizes observed for catastrophic thinking.

Conclusions

Routine assessment of both catastrophic thinking and depression is important in the treatment of chronic pain patients, and modification of these factors may reduce disability and increase the ability of chronic pain patients to participate in daily life activity.  相似文献   

8.
Pain in Amyotrophic Lateral Sclerosis is often underestimated and untreated by clinicians and few studies have investigated its specific features and impact. Pain experience was investigated with the Italian Questionnaire of Pain, together with the McGill Quality of Life Questionnaire for quality of life (QoL), at a baseline and at a 4-month follow-up. About half of ALS patients reported pain, described as nagging, sore, annoying, boring and exhausting, with periodic but enduring episodes. Pain was related with QoL and its intensity was able to predict QoL worsening. Obtained results indicate the importance of clinical investigation of pain in ALS patients and of the intervention with anti-pain treatment whenever necessary.  相似文献   

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Anhedonia, the diminished capacity to experience pleasant emotions, is a common, treatment-resistant feature of schizophrenia that is often included among the negative symptoms of this disorder. This selective review describes the 3 most commonly used approaches to assess anhedonia in schizophrenia: interview-based measures, self-report trait questionnaires, and laboratory-based assessments of emotional experience. For each assessment approach, psychometric properties, relationships to other symptoms and features of schizophrenia, and relationships with the other assessment approaches are evaluated. It is concluded that anhedonia can be reliably assessed and constitutes a distinctive, clinically important aspect of schizophrenia that should be included in a comprehensive evaluation of negative symptoms. Current efforts to define more precisely the nature of the hedonic deficit in schizophrenia are discussed, and recommendations for optimal assessment of anhedonia in clinical trials of novel treatments for negative symptoms are provided.  相似文献   

10.
Cerebrovascular disorders are increasingly recognized as important causes of mortality and morbidity in the pediatric population. However, there have been no clinical trials performed to assess the safety and tolerability of acute interventions or secondary preventative treatments. In 2002, the International Pediatric Stroke Study was launched to create a network of investigators, with an interest in developing standards of practice, as well as design and implement the first-ever clinical trials in pediatric stroke. This article reviews existing studies in pediatric stroke epidemiology, risk factors, outcomes, as well as experience with antithrombotic trials in children. From there, current and future initiatives in the development of clinical trials in pediatric stroke are evaluated.  相似文献   

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