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Spinal lamina I (LI) neurons play a major role in the transmission and integration of pain-related information that is relayed to higher centers. Alterations in the excitability of these neurons influence chronic pain development, and expression of the neurokinin 1 receptor (NK-1r) is thought to play a major role in such changes. Novel expression of NK-1r may underlie hyperexcitability in new populations of LI neurons. ⋯ Our results revealed that, ipsilaterally, pyramidal neurons were seldom immunoreactive for NK-1r both in saline-injected and in CFA-injected rats, up to 10 days post-CFA. However, a considerable number of pyramidal cells were immunoreactive for NK-1r at 15, 21, and 30 days post-CFA. Our data raise the possibility -- which needs to be confirmed by electrophysiology -- that most LI projection neurons of the pyramidal type are likely nonnociceptive in naive animals but might become nociceptive following the development of arthritis.
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Wien. Klin. Wochenschr. · Apr 2005
Comparative StudyMRI-controlled analysis of 104 patients with painful bone marrow edema in different joint localizations treated with the prostacyclin analogue iloprost.
Bone marrow edema (BME) is a common cause of pain of the musculoskeletal system. The aim of the study was to assess the efficacy of iloprost in the treatment of BME of different localizations and etiologies. ⋯ The authors conclude that the use of parenteral iloprost might be a viable method in the treatment of BME of different etiologies.
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Mass casualty incidents (MCI) resulting from terrorist bombings pose special problems and may overwhelm even the most experienced trauma centre. Although role assignments for MCI management and control are documented, we would like to share several aspects that we have found to be crucial for the management of terrorist bombing MCI. Twelve topics and possible answers were brought up and discussed extensively in MCI debriefing sessions in our institution. ⋯ The second category encompasses the concept of triage hospital, the unidirectional patient flow, ancillary evaluation during MCI, the consultancy, and tertiary survey. All were identified as critical for proper event handling. The integration and implementation of the topics discussed throughout the medical system may enable emergency departments to handle MCI resulting from terrorist bombings better.
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J Head Trauma Rehabil · Jan 2018
The Association of Cognitive Reserve in Chronic-Phase Functional and Neuropsychological Outcomes Following Traumatic Brain Injury.
Examine the association of cognitive reserve (CR) factors (estimated premorbid intelligence quotient [IQ], years of education, and occupational attainment) and traumatic brain injury (TBI) severity with functional and neuropsychological outcomes 1 to 5 years following TBI. ⋯ Cognitive reserve factors may be associated with outcomes following TBI. Additional alternatives to TBI severity are needed to help guide rehabilitative planning postinjury.
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Biological psychiatry · Oct 2012
Randomized Controlled Trial Clinical TrialUsing attentional bias modification as a cognitive vaccine against depression.
Negative attentional biases are thought to increase the risk of recurrence in depression, suggesting that reduction of such biases may be a plausible strategy in the secondary prevention of the illness. However, no previous study has tested whether reducing negative attentional bias causally affects risk factors for depressive recurrence. The current experimental medicine study reports the effects of a computerized attentional bias modification (ABM) procedure on intermediate measures of the risk of depressive recurrence (residual depressive symptoms and the cortisol awakening response) in patients with recurrent depression. ⋯ Positive face-based ABM was able to reduce intermediate measures of recurrence risk in previously depressed patients. These results suggest that ABM may provide a "cognitive vaccine" against depression and offer a useful strategy in the secondary prevention of the illness.