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Reduced Spinal Cord Gray Matter in Patients with Fibromyalgia Using Opioids Long-term.

Chronic pain involves alterations in brain gray matter volume (GMV). Moreover, opioid medications are known to reduce GMV in numerous brain regions involved in pain processing. However, no research has […]

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Assessment of Initial Depressive State and Pain Relief With Ketamine in Patients With Chronic Refractory Pain.

Repeated ketamine administration is common in treatment-refractory chronic pain, but ketamine analgesic and antidepressant effects are poorly understood in patients with chronic pain with depression symptoms.

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Single-cell RNA sequencing defines disease-specific differences between chronic nodular prurigo and atopic dermatitis.

Chronic nodular prurigo (CNPG) is a chronic inflammatory skin disease that is maintained by a chronic itch-scratch cycle likely rooted in neuro-immunological dysregulation. This condition may be associated with atopy […]

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Sex-specific biobehavioral regulation of persistent inflammatory pain by alcohol.

Although a large percentage of chronic pain patients consume alcohol to manage their pain, there is a significant gap in knowledge regarding the mechanisms underlying the antinociceptive effects of alcohol.

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Predictors of herpes zoster severity and immune responses according to pain trajectories: A community-based prospective cohort study.

The authors aimed to identify determinants of the clinical course of herpes zoster and immunological responses, focusing on pain trajectories. This prospective community-based cohort study involved the analysis of responses […]

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Assessment of an observed clinical skills exam in undergraduate medical education: a patient with opioid use disorder and chronic pain.

It is crucial that future physicians understand the nature of opioid use disorder (OUD). We designed a pilot Observed Structured Clinical Examination (OSCE) using simulated patients (SPs) experiencing OUD with […]

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Pain control beliefs predict premature withdrawal from the labor market in workers with persistent pain: Prospective cohort study with 11-year register follow-up.

While a range of work-related psychosocial factors have been associated with various pain disorders and early retirement, less is known about pain cognitions and their influence on premature exit from […]

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Should we separately measure the pain parameter of the Constant-Murley score in patients with chronic shoulder pain?

The Constant-Murley Score (CMS) is a relatively unique shoulder assessment tool because it combines patient-reported outcomes (pain and activity), performance measurement and clinician-reported outcomes (strength and mobility). With these characteristics, […]

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Within-subject, double-blind, randomized, placebo-controlled evaluation of combining the cannabinoid dronabinol and the opioid hydromorphone in adults with chronic pain.

The potential synergistic effects of combining cannabinoids and opioids for analgesia has received considerable attention. No studies to date have evaluated this combination in patients with chronic pain. The present […]

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Social and economic capital as effect modifiers of the association between psychosocial stress and oral health.

To assess the extent of the association of psychosocial stress with oral health in an Ontario population stratified by age groups, and whether any association is modified by indicators of […]

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