The Clinical journal of pain
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There is a need to predict chronic (Z3mo) postsurgical pain (CPSP). Acute (<7 d) pain is a predictor, that is, more severe pain is associated with higher CPSP risk. However, reported associations vary widely. ⋯ Overall, evidence for an association between acute and chronic pain is moderate at best. However, closer attention to pain measurement methods will clarify the relationships between acute pain and CPSP. We propose that future CPSP predictor studies assess both PAR and MEP acutely and also incorporate CPSP severity in their analyses.
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Review Meta Analysis
A Systematic Review and Meta-analysis of Migraine and Suicidal Ideation.
Previous studies have demonstrated an association between migraine and major depressive disorder. However, relatively little is known about the relationship between suicidal ideation, with or without concurrent depression, and migraine. ⋯ A meta-analysis of available studies suggests a modest positive association between migraine and suicidal ideation. Further studies allowing for a more comprehensive investigation of the association between migraine and the full range of suicidal behaviors are warranted. A larger and more robust evidence-base may be useful to inform the clinical screening and diagnoses of comorbid conditions in migraineurs.
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Fibromyalgia (FM), a chronic pain condition, is associated with abnormalities in pain modulation. A growing body of evidence has shown that social distress modulates pain sensitivity. The current study aimed to assess the effects of social distress manipulation on pain in FM patients compared with positive (rheumatoid arthritis, RA) and negative (pain-free) controls. ⋯ These results are in line with previous studies demonstrating altered pain inhibition in FM patients, and suggest that unlike PFC or other non-"stress-related" chronic pain conditions, being socially included may increase pain perception in FM patients. Possible underlying mechanisms and clinical relevance are discussed.
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Randomized Controlled Trial Multicenter Study
Efficacy and Safety of Once-Daily Controlled-Release Pregabalin for the Treatment of Patients with Postherpetic Neuralgia: A Double-blind, Randomized Withdrawal, Placebo-Controlled Trial.
To assess efficacy and safety of once-daily controlled-release (CR) formulation of pregabalin in patients with postherpetic neuralgia. ⋯ Time to LTR was significantly longer with pregabalin CR than with placebo. Safety profile of pregabalin CR was comparable to that reported for the immediate-release formulation in patients with postherpetic neuralgia.
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Randomized Controlled Trial
Comparison of Ultrasonography-guided Bilateral Intercostal Nerve Blocks and Conventional Patient-controlled Intravenous Analgesia for Pain Control after the Nuss Procedure in Children: A Prospective Randomized Study.
Patients experience severe pain after pectus excavatum (PE) surgery. The aim of this prospective, randomized study was to compare analgesic effects of ultrasonography-guided bilateral intercostal nerve blocks (UG-ICNBs) with those of conventional patient-controlled intravenous analgesia (PCIA) on acute pain after the Nuss procedure for PE repair in children. ⋯ Our study suggests that UG-ICNBs might be more effective than PCIA for postoperative analgesia in children who undergo the Nuss procedure for PE.