Articles: chronic.
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Critical care medicine · May 2017
Multicenter Study Observational StudyThe Confusion Assessment Method for the ICU-7 Delirium Severity Scale: A Novel Delirium Severity Instrument for Use in the ICU.
Delirium severity is independently associated with longer hospital stays, nursing home placement, and death in patients outside the ICU. Delirium severity in the ICU is not routinely measured because the available instruments are difficult to complete in critically ill patients. We designed our study to assess the reliability and validity of a new ICU delirium severity tool, the Confusion Assessment Method for the ICU-7 delirium severity scale. ⋯ Our results suggest that Confusion Assessment Method for the ICU-7 is a valid and reliable delirium severity measure among ICU patients. Further research comparing it to other delirium severity measures, its use in delirium efficacy trials, and real-life implementation is needed to determine its role in research and clinical practice.
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Strategies directed at the prevention of disabling pain have been suggested as a public health priority, making early identification of youth at risk for poor outcomes critical. At present, limited information is available to predict which youth presenting with acute pain are at risk for persistence. The aims of this prospective longitudinal study were to identify biopsychosocial factors in the acute period that predict the transition to persistent pain in youth with new-onset musculoskeletal (MSK) pain complaints. ⋯ Results revealed approximately 35% of youth had persistent pain at 4-month follow-up, with persistent pain predicted by poorer conditioned pain modulation and female sex. Higher depressive symptoms at T1 were associated with higher pain-related disability and poorer QOL at T2. Findings highlight the roles of depressive symptoms and pain modulation in longitudinally predicting pain persistence in treatment-seeking youth with acute MSK pain and suggest potential mechanisms in the transition from acute to chronic MSK pain in children and adolescents.
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Observational Study
A Prospective Study of Chronic Pain after Thoracic Surgery.
The goal of this study was to detect the predictors of chronic pain at 6 months after thoracic surgery from a comprehensive evaluation of demographic, psychosocial, and surgical factors. ⋯ There was no difference in the incidence and severity of chronic pain at 6 months in patients undergoing thoracotomy versus thoracoscopy. Unlike other postsurgical pain conditions, none of the preoperative psychosocial measurements were associated with chronic pain after thoracic surgery.
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Despite considerable advances in understanding mechanisms involved in chronic pain, effective treatment remains elusive. Comorbid conditions including anxiety, depression, and cognitive impairment further impact quality of life. Chronic pain is associated with reversible changes in brain anatomy and function and with long-term changes in gene expression. ⋯ S-adenosylmethionine completely blocked nerve injury-induced cognitive impairment and attenuated SNI-induced decreases in global DNA methylation in the frontal cortex. In summary, chronic oral administration of the methyl donor, SAM, attenuated sensory and cognitive symptoms associated with nerve injury in mice. These effects may be mediated, in part, through modulation of DNA methylation in the central nervous system by systemic administration of the methyl donor SAM.
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The authors and others have previously shown that the up-regulation of spinal ephrin type-b receptor 1 plays an essential role in the pathologic process of nerve injury-induced nociceptive hypersensitivity, but the regulatory mechanism remains unclear. ⋯ Collectively, our findings reveal that the spinal ephrin type-b receptor 1 is regulated by miR-182-5p in nerve injury-induced nociceptive hypersensitivity.