European journal of pain : EJP
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The somatotopic organization of the human cerebellum processes somato-motoric input. Its role during pain perception for nociceptive input remains ambiguous. A standardized experimental trigeminal nociceptive input in functional imaging might clarify the role of the cerebellum in trigeminal nociception. Also of interest is the greater occipital nerve, which innervates the back of the head, and can influence the trigeminal perception due to functional coupling within the brainstem, forming the so-called trigemino-cervical complex. ⋯ The study expands the current knowledge on facial and head pain processing by the cerebellum and provides an initial somatotopic map of the trigemino-cervical complex in the human cerebellum with a predominant representation of the first trigeminal branch.
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The prevalence of long-term opioid use after orthopaedic surgery varies from 1.4% to 24% and has mostly been studied with prescription data, making it difficult to estimate the size and impact of the problem. This study aims to assess the prevalence and predictors of long-term postoperative opioid use in a high volume and tertiary orthopaedic centre by using online patient reported measures. ⋯ Short-term opioid use can unintentionally progress to long-term opioid use. The prevalence of long-term opioid use after orthopaedic surgery varies widely and is mostly prescription-based, making it difficult to estimate the magnitude of the problem. This study assessed long-term postoperative opioid use in a full breadth orthopaedic population using patient reported measures, making conclusions much more robust. The prevalence of long-term postoperative opioid use in this study was 12.5%.
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A core aspect of the clinical assessment of pain is establishing how long pain has been present for. The reported length of pain can therefore influence diagnosis and treatment. Despite this, little is known about how chronic pain affects the passage of time. ⋯ This study examined how chronic pain impacts on the experience of time. Chronic pain substantially slowed the passage of time for most people, subjectively lengthening the period of time that pain lasted for, exacerbating distress. Given the importance of time processing in clinical assessments of pain, medication adherence and therapeutic interventions, these findings underscore the importance of raising awareness about altered temporal processing in patients and clinicians.
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The aims of this bibliometric analysis were (1) a longitudinal analysis of the publication landscape in the field of pain (1975-2020) and (2) to characterize the overall publication profiles for two selected journals: European Journal of Pain and PAIN® utilizing an automated approach. ⋯ The bibliometric analysis of a pain journal provides information on which specific areas of research are published, how this may have changed over the years and how a journal is positioned compared with other journals in the field.