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Scandinavian Journal of Pain

Liliane Mendonça, José M Castro-Lopes
Background and aims The recent economic crisis started in the USA in 2008 but quickly had worldwide impact. Ireland, Greece, and Portugal were in economic distress in 2009 and received rescue monetary packages from the European Union (EU) and the International Monetary Fund (IMF) in the following years. Meanwhile, the economic recovery has begun for those countries, but at different paces. The aim of the present study was to evaluate if the economic crisis influenced pain research outcomes, by performing a bibliometric analysis based on the ISI Web of Science to evaluate the evolution of the scientific production and performance in the field of pain research between 1997 and 2017...
July 17, 2018: Scandinavian Journal of Pain
Henrik Bjarke Vaegter, Kristian Kjær Petersen, Carsten Dahl Mørch, Yosuke Imai, Lars Arendt-Nielsen
Background and aims Conditioned Pain Modulation (CPM) is a well-established phenomenon and several protocols have shown acceptable between-subject reliability [based on intraclass correlation coefficient (ICC) values] in pain-free controls. Recently, it was recommended that future CPM test-retest reliability studies should explicitly report CPM reliability based on CPM responders and non-responders (within-subject reliability) based on measurement error of the test stimulus. Identification of reliable CPM paradigms based on responders and non-responders may be a step towards using CPM as a mechanistic marker in diagnosis and individualized pain management regimes...
July 14, 2018: Scandinavian Journal of Pain
Raphaëlle Chrétien, Sarah Lavoie, Philippe Chalaye, Emmanuelle de Vette, Sylvie Lafrenaye
Background and aims Chronic pain is affecting a growing number of individuals including adolescents. Different endogenous pain inhibitory systems could confer protection against development of chronic pain. Decreased pain perception can be observed following intense pain (i.e. conditioned pain modulation - CPM) or after physical exercise (i.e. exercise-induced analgesia - EIA). Reduced effectiveness of pain inhibitory mechanisms have been reported in several chronic pain conditions. However, the extent of these dysfunctions has not been thoroughly investigated in adolescents suffering from chronic pain...
July 14, 2018: Scandinavian Journal of Pain
James W Agnew, Steven B Hammer, Alexandre L Roy, Amina Rahmoune
Background and aims The participation in ultra-marathons and other ultra-endurance events has increased exponentially over the past decade. There is insufficient data on variation in pain mechanisms in exercise overall but especially in the ultra-endurance athlete population. To further understand peripheral and central pain sensitization we have investigated pressure pain threshold and conditioned pain modulation during three separate ultra-marathon competitions. Methods Each ultra-marathon investigated was held in the state of Florida, USA, over flat, sandy and paved surfaces under generally warm to hot, humid conditions...
July 12, 2018: Scandinavian Journal of Pain
Olav Rohof, Chee Kean Chen
Background and aims The evidence for interventional treatment of thoracic facet joint pain remains limited. This is partly due to inconsistency of the path of thoracic medial branches and a lower incidence of thoracic facet pain among spine pain patients. The purpose of this study is to evaluate the efficacy of bipolar radiofrequency (RF) neurotomy of medial branches for treating chronic thoracic facet joint pain. Methods This is a retrospective record review of all patients diagnosed to have thoracic facet pain with diagnostic block and subsequently treated with bipolar RF neurotomy of medial branch between January 2012 and December 2015...
July 12, 2018: Scandinavian Journal of Pain
Marion K Slack, Ramon Chavez, Daniel Trinh, Daniel Vergel de Dios, Jeannie Lee
BACKGROUND AND AIMS: Acute pain is differentiated from chronic pain by its sudden onset and short duration; in contrast, chronic pain is characterized by a duration of at least several months, typically considered longer than normal healing time. Despite differences in definition, there is little information on how types of self-management strategies or outcomes differ when pain is chronic rather than acute. Additionally, age and gender are thought to be related to types of strategies used and outcomes...
July 11, 2018: Scandinavian Journal of Pain
Lena Sandin Wranker, Sölve Elmståhl, Henrik Ekström
BACKGROUND AND AIMS: Pain, use of painkillers and alcohol are highly prevalent in the general population. Aims of the study were to describe differences in pain, alcohol consumption and use of painkillers among two 60 year old birth cohorts stratified by gender. METHODS: Participants were recruited from the Skåne centre of The Swedish National study on Aging and Care, a multicentre, prospective, longitudinal study. The sample comprised 60 year old men and women born between 1941 and 1943 and recruited to the study between 2001 and 2004 (n=663) and 60 year old men and women born in the period 1952-1954 and recruited to the study between 2013 and 2015 (n=924)...
July 11, 2018: Scandinavian Journal of Pain
Marianne Mustajoki, Tom Forsén, Timo Kauppila
BACKGROUND AND AIMS: The language in assessing intensity or quality of pain has been studied but the results have been inconsistent. The physicians' language skills might affect the estimation of the severity of pain possibly leading to insufficient use of analgesics. Several interfering cultural factors have complicated studies aimed at exploring the language used to detect the quality of pain. We aimed to compare native and non-native language related qualitative aspects of pain chosen by Swedish speaking patients with diabetes...
July 10, 2018: Scandinavian Journal of Pain
J P Caneiro, Peter O'Sullivan, Ottmar V Lipp, Lara Mitchinson, Nicolai Oeveraas, Priyanka Bhalvani, Richard Abrugiato, Sean Thorkildsen, Anne Smith
BACKGROUND AND AIMS: Despite lack of support from recent in vivo studies, bending and lifting (especially with a round-back posture) are perceived as dangerous to the back. In light of this view, it has been proposed that pain-free people may hold a common implicit belief that is congruent with the idea that bending and lifting with a round-back represents danger to a person's back, however this has not been evaluated. The aims of this study were: (1) to evaluate implicit associations between back posture and safety related to bending and lifting in pain-free people; (2) to explore correlations between the implicit measure and explicit measures of back beliefs, fear of movement and safety of bending; (3) to investigate self-reported qualitative appraisal of safe lifting...
July 9, 2018: Scandinavian Journal of Pain
Tiansheng Shi, Jing-Xia Hao, Zsuzsanna Wiesenfeld-Hallin, Xiao-Jun Xu
BACKGROUND AND AIMS: The clinical management of neuropathic pain remains a challenge. We examined the interaction between gabapentin and NMDA receptor antagonists dextromethrophan and MK-801 in alleviating neuropathic pain-like behaviors in rats after spinal cord or sciatic nerve injury. METHODS: Female and male rats were produced with Ischemic spinal cord injury and sciatic nerve injury. Gabapentin, dextromethorphan, MK-801 or drug combinations were injected with increasing doses...
July 5, 2018: Scandinavian Journal of Pain
Ellen N Thompson, Taras Usichenko
BACKGROUND AND AIMS: A previously undescribed mechanism of pain in the ulnar side of the hand was observed in a series of four patients. All were found to have a sensitive point in the first interspace of the hand and possible entrapment of a terminal branch of ulnar nerve piercing the fascia in the first interphalangeal webspace was suggested. METHODS: Pressure on the sensitive point reproduced the ulnar sided hand pain. Diagnostic and therapeutic injection of the mixture of local anesthetic and corticosteroid were performed...
June 30, 2018: Scandinavian Journal of Pain
Petter C Borchgrevink, Tone Rustøen
No abstract text is available yet for this article.
June 29, 2018: Scandinavian Journal of Pain
Jolanda Ehrström, Jyrki Kettunen, Petri Salo
BACKGROUND AND AIMS: Despite the recognition of pain as a global health problem and advancements achieved in what is known about effective pain management, pain education for undergraduate health care professionals remains insufficient. This study investigated the content of pain curricula and the time allocated to pain education on physiotherapy programs at bachelor's level at Universities of Applied Sciences (UASs) in Finland. METHODS: A web-based survey questionnaire was sent to the directors of the physiotherapy programs at all the Finnish UASs (n=15) where physiotherapy is taught at bachelor's level...
June 27, 2018: Scandinavian Journal of Pain
Susanne Hellerstedt-Börjesson, Karin Nordin, Marie-Louise Fjällskog, Ritva Rissanen, Magnus Peterson, Cecilia Arving
BACKGROUND AND AIMS: Breast cancer is the most prevalent adult cancer worldwide. A broader use of screening for early detection and adjuvant systemic therapy with chemotherapy has resulted in improved survival rates. Taxane-containing chemotherapy is one of the cornerstones of the treatment. However, taxane-containing chemotherapy may result in acute chemotherapy-induced nociceptive and neuropathic pain. Since this pain may be an additional burden for the patient both during and after taxane chemotherapy, it is important to rapidly discover and treat it...
June 27, 2018: Scandinavian Journal of Pain
Ramiro Marinho, Mara Sousa, Filipa Machado, Sara Fonseca, Luísa Guedes
Cerebrospinal fluid cutaneous fistula is a rare but potentially serious complication of epidural analgesia. We report the case of a patient submitted to total knee arthroplasty under subarachnoid block and placement of lumbar epidural catheter for post-operative analgesia. The epidural catheter was found exteriorised on the fourth post-operative day, and the patient presented with a moderate fluid leak from the puncture site that was confirmed to be cerebrospinal fluid by cytological and chemical analysis. The initial therapeutic approach consisted of bed rest, hydration and prophylactic antibiotic therapy for 3 days, but it was ineffective as the leak persisted...
June 22, 2018: Scandinavian Journal of Pain
Kristian Kjær Petersen, Hjalte Holm Andersen, Masato Tsukamoto, Lincoln Tracy, Julian Koenig, Lars Arendt-Nielsen
BACKGROUND AND AIMS: The autonomic nervous system (ANS) is capable of modulating pain. Aberrations in heart rate variability (HRV), reflective of ANS activity, are associated with experimental pain sensitivity, chronic pain, and more recently, pain modulatory mechanisms but the underlying mechanisms are still unclear. HRV is lowered during experimental pain as well as in chronic pain conditions and HRV can be increased by propranolol, which is a non-selective β-blocker. Sensitization of central pain pathways have been observed in several chronic pain conditions and human mechanistic pain biomarkers for these central pain pathways include temporal summation of pain (TSP) and conditioned pain modulation (CPM)...
June 2, 2018: Scandinavian Journal of Pain
Jeffrey S Mogil
No abstract text is available yet for this article.
May 22, 2018: Scandinavian Journal of Pain
Sadegh Izadi, Bahareh Kardeh, Seied Saeed Hosini Hooshiar, Mojtaba Neydavoodi, Afshin Borhani-Haghighi
BACKGROUND AND AIMS: Carpal tunnel syndrome (CTS) is a common debilitating condition. As the reliability of CTS-specific physical tests and its clinical grading remain a matter of debate, we determined the correlations between these assessments with nerve conduction study (NCS). METHODS: In this cross-sectional study, patients with uni or bilateral CTS, which was confirmed in electrodiagnosis, were enrolled. Clinical grading was based on the modified criteria of the Italian CTS Study Group...
May 22, 2018: Scandinavian Journal of Pain
Solveig Engebretsen, Arnoldo Frigessi, Kenth Engø-Monsen, Anne-Sofie Furberg, Audun Stubhaug, Birgitte Freiesleben de Blasio, Christopher Sivert Nielsen
BACKGROUND AND AIMS: Twin studies have found that approximately half of the variance in pain tolerance can be explained by genetic factors, while shared family environment has a negligible effect. Hence, a large proportion of the variance in pain tolerance is explained by the (non-shared) unique environment. The social environment beyond the family is a potential candidate for explaining some of the variance in pain tolerance. Numerous individual traits have previously shown to be associated with friendship ties...
May 19, 2018: Scandinavian Journal of Pain
Ebonie Rio, Michael Girdwood, Jake Thomas, Christopher Garofalo, Lauren V Fortington, Sean Docking
BACKGROUND AND AIMS: Research investigating differences in pain location and distribution across conditions is lacking. Mapping a patient's pain may be a useful way of understanding differences in presentations, however the use of pain mapping during a pain provocation task has not been investigated. The aim of this study was to assess the reliability of patient and clinician rated pain maps during a pain provocation task for the anterior knee. METHODS: Participants were recruited from a larger study of professional Australian rules football players (n=17)...
May 18, 2018: Scandinavian Journal of Pain
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