Scandinavian Journal of Pain最新文献

{"title":"Recurrent headache, stomachache, and backpain among adolescents: association with exposure to bullying and parents' socioeconomic status.","authors":"Klara Merrild Madsen, Bjørn E Holstein, Katrine Rich Madsen","doi":"10.1515/sjpain-2022-0144","DOIUrl":"10.1515/sjpain-2022-0144","url":null,"abstract":"<p><strong>Objectives: </strong>Recurrent pain is a prevalent and severe public health problem among adolescents and is associated with several negative health outcomes. In a representative sample of adolescents this study examined 1) whether exposure to bullying and low socioeconomic status (SES) were associated with recurrent headache, stomachache and backpain, 2) the combined effect of exposure to bullying and low SES on recurrent pain and 3) whether SES modified the association between bullying and recurrent pain.</p><p><strong>Methods: </strong>Data derived from the Danish contribution to the international collaborative study Health Behaviour in School-aged Children (HBSC). The study population was students in three age groups, 11-, 13- and 15-year-olds from nationally representative samples of schools. We pooled participants from the surveys in 2010, 2014 and 2018, n=10,738.</p><p><strong>Results: </strong>The prevalence of recurrent pain defined as pain 'more than once a week' was high: 11.7 % reported recurrent headache, 6.1 % stomachache, and 12.1 % backpain. The proportion who reported at least one of these pains 'almost every day' was 9.8 %. Pain was significantly associated with exposure to bullying at school and low parental SES. The adjusted odds ratio (AOR, 95 % CI) for recurrent headache when exposed to both bullying and low SES was 2.69 (1.75-4.10). Equivalent estimates for recurrent stomachache were 5.80 (3.69-9.12), for backpain 3.79 (2.58-5.55), and for any recurrent pain 4.81 (3.25-7.11).</p><p><strong>Conclusions: </strong>Recurrent pain increased with exposure to bullying in all socioeconomic strata. Students with double exposure, i.e., to bullying and low SES, had the highest OR for recurrent pain. SES did not modify the association between bullying and recurrent pain.</p>","PeriodicalId":47407,"journal":{"name":"Scandinavian Journal of Pain","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2023-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9839165","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The role of spontaneous vs. experimentally induced attentional strategies for the pain response to a single bout of exercise in healthy individuals.","authors":"Christina Titze, Kerstin Konietzny, Hannah Gajsar, Kelli Koltyn, Omar Chehadi, Monika I Hasenbring, Henrik Bjarke Vaegter","doi":"10.1515/sjpain-2022-0141","DOIUrl":"10.1515/sjpain-2022-0141","url":null,"abstract":"<p><strong>Objectives: </strong>Exercise-induced pain and exercise-induced hypoalgesia (EIH) are well described phenomena involving physiological and cognitive mechanisms. Two experiments explored whether spontaneous and instructed mindful monitoring (MM) were associated with reduced exercise-induced pain and unpleasantness, and increased EIH compared with spontaneous and instructed thought suppression (TS) in pain-free individuals.</p><p><strong>Methods: </strong>Eighty pain-free individuals participated in one of two randomized crossover experiments. Pressure pain thresholds (PPTs) were assessed at the leg, back and hand before and after 15 min of moderate-to-high intensity bicycling and a non-exercise control condition. Exercise-induced pain and unpleasantness were rated after bicycling. In experiment 1 (n=40), spontaneous attentional strategies were assessed with questionnaires. In experiment 2, participants (n=40) were randomly allocated to use either a TS or MM strategy during bicycling.</p><p><strong>Results: </strong>In experiment 1, the change in PPTs was significantly larger after exercise compared with quiet rest (p<0.05). Higher spontaneous MM was associated with less exercise-induced unpleasantness (r=-0.41, p<0.001), whereas higher spontaneous TS was associated with higher ratings of exercise-induced unpleasantness (r=0.35, p<0.05), but not with pain intensity or EIH. In experiment 2, EIH at the back was increased in participants using instructed TS compared with participants using instructed MM (p<0.05).</p><p><strong>Conclusions: </strong>These findings suggest that spontaneous and presumably habitual (or dispositional) attentional strategies may primarily affect cognitive-evaluative aspects of exercise, such as feelings of exercise-induced unpleasantness. MM was related to less unpleasantness, whereas TS was related to higher unpleasantness. In terms of brief experimentally-induced instructions, TS seems to have an impact on physiological aspects of EIH; however, these preliminary findings need further research.</p>","PeriodicalId":47407,"journal":{"name":"Scandinavian Journal of Pain","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2023-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9849551","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Presence and grade of undertreatment of pain in children with cerebral palsy.","authors":"Tamo Sultan, Christian Wong","doi":"10.1515/sjpain-2022-0124","DOIUrl":"10.1515/sjpain-2022-0124","url":null,"abstract":"<p><strong>Objectives: </strong>To investigate if chronic pain in children with cerebral palsy is undertreated with the current pharmacological/non-pharmacological interventions using a pain management index.</p><p><strong>Methods: </strong>Parents of 120 children with cerebral palsy between the ages of 2-19 years from our region in Denmark answered a questionnaire about whether their child had everyday pain. When answering in pain, we inquired about pain status and pharmacological/non-pharmacological pain coping interventions. Everyday pain was viewed as chronic pain with acute exacerbations. Pain experienced was divided into worst pain (highest moments of pain intensity) and least pain (lowest moments of pain intensity). To describe and evaluate the effectiveness of pain interventions used, a pain management index was utilized. Everyday pain was assessed using a logistical regression by adjusting for age, sex, and gross motor function classification system level.</p><p><strong>Results: </strong>59/115 (0.51) of parents answering the questionnaire reported everyday pain. Of those, the median age was 10 years. For pain alleviation, massage was reported by parents as being used by 29/59 (0.49) children and paracetamol by 21/59 (0.36). Pain affected daily life in 44/59 (0.75). By our evaluation 44/59 (0.75) were inadequately treated for their pain. Our evaluation also revealed that 19/59 (0.32) of children in pain had inadequately treated pain combined with an undesirable intensity of least pain.</p><p><strong>Conclusions: </strong>Half of the children with cerebral palsy experienced chronic pain according to our pain questionnaire answered by parents. Among these children three-quarters were insufficiently treated for their pain. In the same group, one-third were impacted by pain felt at both its highest and lowest moments of intensity. Massage therapy and paracetamol were the most frequently utilized pain-alleviating interventions. In our cohort, pain was undertreated and likely underdiagnose (Protocol number H-17008823).</p>","PeriodicalId":47407,"journal":{"name":"Scandinavian Journal of Pain","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2023-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9902812","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The efficacy of manual therapy on HRV in those with long-standing neck pain: a systematic review.","authors":"Brent Harper, Parker Price, Megan Steele","doi":"10.1515/sjpain-2023-0006","DOIUrl":"10.1515/sjpain-2023-0006","url":null,"abstract":"<p><strong>Objectives: </strong>Long-standing neck pain (LNP) is a clinical condition frequently encountered in the physical therapy clinic. LNP is a complex, multifactorial condition affecting multiple body systems including the autonomic nervous system (ANS). Traditionally, research on the impact of physical therapy on LNP has focused on self-report measures and pain scales. Heart rate variability (HRV) is an objective measure of the ANS, allowing for quantification of effects of treatment. This systematic review is intended to evaluate if manual therapy acutely affects heart rate variability in adults with long-standing neck pain.</p><p><strong>Methods: </strong>Pubmed, Medline, CINAHL, Google Scholar, Web of Science, and Cochrane library were used to retrieve the randomized controlled trials for this review between the years 2010-2021. Search terms included: chronic neck pain, neck pain, cervical pain, manual therapy, mobilization, manipulation, osteopathy, osteopathic or chiropractic. Heart rate variability, HRV, heart rate variation, effects, outcomes, benefits, impacts or effectiveness.</p><p><strong>Results: </strong>Of 139 articles located and screened, three full-text articles were selected for full qualitative synthesis, with a combined population of 112 subjects, 91 of which were female, with an average age of 33.7 ± 6.8 years for all subjects. MT techniques in three studies were statistically significant in improving HRV in people with LNP; however, techniques were differed across studies, while one study showed no benefit. The studies were found to be of high quality with PEDro scores ≥6.</p><p><strong>Conclusions: </strong>Although no clear cause and effect relationship can be established between improvement in HRV with manual therapy, results supported the use of MT for an acute reduction in HRV. No one particular method of MT has proven superior, MT has been found to produce a statistically significant change in HRV. These HRV changes are consistent with decreased sympathetic tone and subjective pain.</p>","PeriodicalId":47407,"journal":{"name":"Scandinavian Journal of Pain","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9553829","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Barriers in chronic prostatitis/chronic pelvic pain syndrome (CP/CPPS) management: perspectives from health practitioners.","authors":"Arthur Sone-Wai Li, Aquina Lim Yim Wong, Mandy Matthewson, Leesa Van Niekerk, Michael Garry","doi":"10.1515/sjpain-2022-0160","DOIUrl":"10.1515/sjpain-2022-0160","url":null,"abstract":"<p><strong>Objectives: </strong>Chronic prostatitis/Chronic Pelvic Pain Syndrome (CP/CPPS) is a complex condition which causes a significant burden on the diagnosed individuals. Assessment and management are perplexing, often resulting in unsatisfactory outcomes. Existing research has only focused on patients' perspectives of pain experiences, but scant evidence is available to understand the barriers that undermine effective pain management. Using an exploratory approach, this study examined these barriers from practitioners' perspectives.</p><p><strong>Methods: </strong>Twelve semi-structured interviews were conducted with practitioners across disciplines who have experience in chronic pelvic pain management in males. Practitioners expressed their views and experiences in supporting men with CP/CPPS and what barriers they perceived when providing treatment for patients. Data were analysed using reflexive thematic analysis supported by NVivo software.</p><p><strong>Results: </strong>Five broad and interrelated themes were identified: (1) Where to Start, (2) Insufficient Resources, (3) Prioritisation, (4) Training and Confident Practice and (5) Constraints in Help-Seeking.</p><p><strong>Conclusions: </strong>Practitioners value multimodal management using a biopsychosocial approach; however, practical challenges prevent practitioners from choosing and applying this approach in clinical practice. The findings also identified some unique challenges faced by men with CP/CPPS consistent with previous evidence from patient perspective. Refining terminology, developing specific resources, and increasing psychosocial treatment options are urgently needed.</p>","PeriodicalId":47407,"journal":{"name":"Scandinavian Journal of Pain","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2023-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10224904","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Sex-related differences in migraine clinical features by frequency of occurrence: a cross-sectional study.","authors":"Elena Muñoz Gómez, Marta Aguilar Rodríguez, Pilar Serra Añó, Núria Sempere Rubio, Sara Mollà Casanova, Marta Inglés","doi":"10.1515/sjpain-2022-0152","DOIUrl":"10.1515/sjpain-2022-0152","url":null,"abstract":"<p><strong>Objectives: </strong>The sex-related differences of migraine hold clinical relevance to achieve a better diagnosis and treatment. The purpose of this cross-sectional study was to evaluate sex-related differences in migraine features, the impact, and health care resources for people who suffer from episodic migraine (EM) and chronic migraine (CM).</p><p><strong>Methods: </strong>184 patients (72 % women; 61.4 % with EM; mean (SD) age of 38.7 (10.4) years) were assessed through the Migraine Disability Assessment, the Short Form 36 Health Survey, the Beck Depression Inventory II and the State-Trait Anxiety Inventory. Additionally, medication intake and medical assistance were recorded. Multivariate analyses were performed, stratifying by frequency of occurrence (EM and CM) and sex (men and women).</p><p><strong>Results: </strong>The results showed that women presented a greater number of symptoms (p=0.03), pain intensity (p<0.01), pain duration (p=0.03), disability (p=0.01), amount of symptomatic medication (p=0.04) and medical visits (p=0.001), as well as a worse physical role (p=0.004) than men with EM. However, no significant differences between them were found for CM (p>0.05). Moreover, it was identified that there was a significant increase in medication intake among people with CM compared to EM (p<0.001). It is worth noting that there were no significant differences by diagnosis and sex in emotional status (p>0.05).</p><p><strong>Conclusions: </strong>Migraine features, impact and health care resources were greater in women than men with EM; yet no significant differences between them were found for CM. The findings of the present study may contribute to a better diagnosis and treatment response in people with migraines.</p>","PeriodicalId":47407,"journal":{"name":"Scandinavian Journal of Pain","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2023-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10224910","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparison of the effectiveness of eHealth self-management interventions for pain between oncological and musculoskeletal populations: a systematic review with narrative synthesis.","authors":"Margaux Evenepoel, Sophie Van Dijck, Mira Meeus, Lore Dams, Vincent Haenen, Nele Devoogdt, Nathalie Roussel, An De Groef","doi":"10.1515/sjpain-2022-0115","DOIUrl":"10.1515/sjpain-2022-0115","url":null,"abstract":"<p><strong>Objectives: </strong>The aim of this systematic review is to compare the effectiveness of eHealth self-management interventions on pain intensity between oncological and musculoskeletal populations and to examine barriers and facilitators of the use of eHealth self-management tools.</p><p><strong>Content: </strong>In March 2021, a systematic search of the literature was conducted using the databases PubMed and Web of Science. Studies that investigated the effect of eHealth self-management interventions on pain intensity in an oncological and/or a musculoskeletal population were included.</p><p><strong>Summary: </strong>No study was found with a direct comparison of the two populations. Of the ten included studies, only one (musculoskeletal) found a significant interaction effect in favor of the eHealth program and three (musculoskeletal and breast cancer) showed a significant time-effect of the eHealth intervention. In both populations user-friendliness of the tool was considered as a facilitator, the length of the program and the lack of an in-person session as barrier. Due to the absence of a direct comparison, no conclusion can be made on how the effectiveness differs between both populations.</p><p><strong>Outlook: </strong>Further research should incorporate patient-experienced barriers and facilitators and there is a high need of studies making the direct comparison of the effect of an eHealth self-management intervention on pain intensity in an oncological vs. a MSK population.</p>","PeriodicalId":47407,"journal":{"name":"Scandinavian Journal of Pain","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2023-05-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9902776","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Acute exercise of painful muscles does not reduce the hypoalgesic response in young healthy women - a randomized crossover study.","authors":"Anders Mohrsen, Henrik Lund, Steven Zartov Rasmussen, Henrik Bjarke Vægter, Jonathan Vela, Simon Hansen, Steffan Wittrup McPhee Christensen","doi":"10.1515/sjpain-2022-0127","DOIUrl":"10.1515/sjpain-2022-0127","url":null,"abstract":"<p><strong>Objectives: </strong>Exercise-induced hypoalgesia (EIH) is characterized by an increase in pain threshold following acute exercise. EIH is reduced in some individuals with chronic musculoskeletal pain, although the mechanisms are unknown. It has been hypothesized that this may relate to whether exercises are performed in painful or non-painful body regions. The primary aim of this randomized experimental crossover study was to investigate whether the presence of pain per se in the exercising muscles reduced the local EIH response. The secondary aim was to investigate if EIH responses were also reduced in non-exercising remote muscles.</p><p><strong>Methods: </strong>Pain-free women (n=34) participated in three separate sessions. In session 1, the maximal voluntary contraction (MVC) for a single legged isometric knee extension exercise was determined. In sessions 2 and 3, pressure pain thresholds (PPT) were assessed at the thigh and shoulder muscles before and after a 3-min exercise at 30 % of MVC. Exercises were performed with or without thigh muscle pain, which was induced by either a painful injection (hypertonic saline, 5.8 %) or a non-painful injection (isotonic saline, 0.9 %) into the thigh muscle. Muscle pain intensity was assessed with an 11-point numerical rating scale (NRS) at baseline, after injections, during and after exercises.</p><p><strong>Results: </strong>PPTs increased at thigh and shoulder muscles after exercise with painful (14.0-24.9 %) and non-painful (14.3-19.5 %) injections and no significant between-injection EIH differences were observed (p>0.30). Muscle pain intensity was significantly higher following the painful injection compared to the non-painful injection (p<0.001).</p><p><strong>Conclusions: </strong>Exercising painful muscles did not reduce the local or remote hypoalgesic responses, suggesting that the pain-relieving effects of isometric exercises are not reduced by exercising painful body regions.</p><p><strong>Ethical committee number: </strong>S-20210184.</p><p><strong>Trial registration number: </strong>NCT05299268.</p>","PeriodicalId":47407,"journal":{"name":"Scandinavian Journal of Pain","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2023-05-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9902773","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A simple, bed-side tool to assess evoked pressure pain intensity.","authors":"Søren Nicolai Frederiksen Hostrup,&nbsp;Søren Francis Dyhrberg O'Neill,&nbsp;Jesper Bie Larsen,&nbsp;Lars Arendt-Nielsen,&nbsp;Kristian Kjær Petersen","doi":"10.1515/sjpain-2022-0055","DOIUrl":"https://doi.org/10.1515/sjpain-2022-0055","url":null,"abstract":"<p><strong>Objectives: </strong>Existing equipment for quantitative sensory testing is generally expensive and not easily applicable in a clinical setting thus simple bed-side devices are warranted. Pressure hyperalgesia is a common finding in patients with musculoskeletal pain and an experimental model is delayed-onset muscle soreness (DOMS). DOMS is characterised by muscle hyperalgesia and some studies report facilitation of temporal summation of pain. This study aimed to detect DOMS induced muscle hyperalgesia and temporal summation of pain using a newly developed bed-side quantitative sensory testing device to deliver standardised pressure.</p><p><strong>Methods: </strong>Twenty-two healthy participants participated in two sessions with the second session approximately 48 h after baseline. Pressure pain intensities were assessed from the gastrocnemius muscle with four probes calibrated to apply 2, 4, 6 and 8 kg, respectively. Temporal summation of pain (10 stimuli delivered at 0.5 Hz using the 6 kg probe) intensities were assessed from the same location. DOMS was evoked in the gastrocnemius muscle by an eccentric exercise. Sleepiness and physical activity were measured with the Epworth Sleepiness Scale and the Global Physical Activity Questionnaire to investigate if they were associated with the quantitative sensory testing measures.</p><p><strong>Results: </strong>Pressure pain intensity was significantly increased 48 h after induction of DOMS when compared to baseline for all four probes (p<0.05). Temporal summation of pain was not statistically significant affected by DOMS and sleep quality and physical activity did not associate with any of the measures.</p><p><strong>Conclusions: </strong>This study introduces a simple, bed-side assessment tool for the assessment of pressure pain intensity and hence hyperalgesia and temporal summation of pain.</p>","PeriodicalId":47407,"journal":{"name":"Scandinavian Journal of Pain","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2023-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9666496","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Parameters of anger as related to sensory-affective components of pain.","authors":"Ephrem Fernandez,&nbsp;Tuan M Pham,&nbsp;Krishna Kolaparthi,&nbsp;Renhao Sun,&nbsp;Brandon S Perez,&nbsp;Emmanuel C Iwuala,&nbsp;Wenbo Wu,&nbsp;Eric C Shattuck","doi":"10.1515/sjpain-2022-0131","DOIUrl":"https://doi.org/10.1515/sjpain-2022-0131","url":null,"abstract":"<p><strong>Objectives: </strong>Comorbid with chronic pain are negative emotions, anger being particularly salient. To evaluate specific relationships between pain and anger, the present study deconstructed anger into five parameters and dichotomized pain into sensory vs. affective components. Hypotheses were (i) anger parameters would be significantly and positively correlated with affective pain more so than with sensory pain, and (ii) individual parameters would be differentially related to pain components.</p><p><strong>Methods: </strong>The Anger Parameters Scale (APS) was used to rate five parameters of anger: frequency, duration, intensity, latency, and threshold. Also rated was the physical sensation of pain and the degree of distress from pain. The volunteer sample comprised n=51 chronic pain patients, varying in ethnicity/race and educational level.</p><p><strong>Results: </strong>Descriptive statistics revealed: APS total M=71.52, SD=16.68, Sensory pain M=6.27, SD=2.15, Affective pain M=5.76, SD=2.28. Sensory and affective pain were highly correlated, r=0.70. APS total was significantly associated with affective pain (r=+0.28) but hardly with sensory pain (r=0.12). Two anger parameters significantly correlated with affective pain: anger frequency (r=+0.30, p<0.05) and anger threshold (r=+0.33, p<0.05). Secondarily, certain educational levels (but not gender and ethnicity/race) were associated with significantly higher APS total scores.</p><p><strong>Conclusions: </strong>Scores for all variables were in the mid-range. As hypothesized, anger was more strongly correlated with distress/suffering of pain than with physical sensation of pain, though both pain components were closely coupled. Specific findings regarding frequency and threshold imply that being angry often and being oversensitive to provocation are associated with greater distress in this context. In deconstructing anger and dichotomizing pain, the present study extends previous research by elaborating on what aspects of anger are most related to which components of pain. Moreover, certain educational levels with higher levels of anger may need special attention. Further research could examine if treatment of anger might lead to corresponding changes in chronic pain.</p>","PeriodicalId":47407,"journal":{"name":"Scandinavian Journal of Pain","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2023-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9681205","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}