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Adverse childhood experiences and burn pain: a review of biopsychosocial mechanisms that may influence healing. 童年的不良经历与烧伤疼痛:回顾可能影响愈合的生物心理社会机制。
IF 4.8
Pain Reports Pub Date : 2022-06-06 eCollection Date: 2022-07-01 DOI: 10.1097/PR9.0000000000001013
Emily H Werthman, Luana Colloca, Lynn M Oswald
{"title":"Adverse childhood experiences and burn pain: a review of biopsychosocial mechanisms that may influence healing.","authors":"Emily H Werthman, Luana Colloca, Lynn M Oswald","doi":"10.1097/PR9.0000000000001013","DOIUrl":"https://doi.org/10.1097/PR9.0000000000001013","url":null,"abstract":"<p><p>Adverse childhood experiences (ACEs) affect over half of the adults in the United States and are known to contribute to the development of a wide variety of negative health and behavioral outcomes. The consequences of ACE exposure have been studied in patient populations that include individuals with gynecologic, orthopedic, metabolic, autoimmune, cardiovascular, and gastrointestinal conditions among others. Findings indicate that ACEs not only increase risks for chronic pain but also influence emotional responses to pain in many of these individuals. A growing body of research suggests that these effects may be the result of long-lasting changes induced by ACEs in neurobiological systems during early development. However, one area that is still largely unexplored concerns the effects of ACEs on burn patients, who account for almost 450,000 hospitalizations in the United States annually. Patients with severe burns frequently suffer from persistent pain that affects their well-being long after the acute injury, but considerable variability has been observed in the experience of pain across individuals. A literature search was conducted in CINAHL and PubMed to evaluate the possibility that previously documented ACE-induced changes in biological, psychological, and social processes might contribute to these differences. Findings suggest that better understanding of the role that ACEs play in burn outcomes could lead to improved treatment strategies, but further empirical research is needed to identify the predictors and mechanisms that dictate individual differences in pain outcomes in patients with ACE exposure and to clarify the role that ACE-related alterations play in early healing and recovery from burn injuries.</p>","PeriodicalId":52189,"journal":{"name":"Pain Reports","volume":"7 4","pages":"e1013"},"PeriodicalIF":4.8,"publicationDate":"2022-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10833651/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139673635","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Impact of demographic factors on chronic pain among adults in the United States. 人口因素对美国成年人慢性疼痛的影响
IF 4.8
Pain Reports Pub Date : 2022-06-06 eCollection Date: 2022-07-01 DOI: 10.1097/PR9.0000000000001009
Peter M Mullins, Robert J Yong, Neil Bhattacharyya
{"title":"Impact of demographic factors on chronic pain among adults in the United States.","authors":"Peter M Mullins, Robert J Yong, Neil Bhattacharyya","doi":"10.1097/PR9.0000000000001009","DOIUrl":"10.1097/PR9.0000000000001009","url":null,"abstract":"<p><strong>Introduction: </strong>Chronic pain affects more than 1 in 5 American adults, and its effects are not evenly distributed throughout the population.</p><p><strong>Methods: </strong>Using the National Health Interview Survey (NHIS), a household-based annual survey of self-reported health status of U.S. adults, this cross-sectional study describes differences in the prevalence of chronic pain and its effects across socioeconomic groups.</p><p><strong>Results: </strong>In univariate analyses, chronic pain was more prevalent among female respondents, persons with lower educational attainment, non-Hispanic White individuals, and those who were insured as well as those who were married. After accounting for all other demographic factors, age, female sex, and lower educational attainment were associated with higher odds of having chronic pain, whereas Hispanic and non-Hispanic Black race were associated with lower odds. Despite lower odds of having chronic pain, Hispanic and non-Hispanic Black race were associated with greater odds of reporting more severe pain than White race. There were no significant differences across race in the effects of pain on life, work, or family, although female sex and lower educational attainment were associated with greater effects of pain on these domains. Educational attainment was the only characteristic associated with greater odds of ineffective pain management after accounting for all other demographic factors.</p><p><strong>Conclusions: </strong>Implications for reducing disparities in the treatment of chronic pain are discussed.</p>","PeriodicalId":52189,"journal":{"name":"Pain Reports","volume":"7 1","pages":"e1009"},"PeriodicalIF":4.8,"publicationDate":"2022-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10833639/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45403250","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Feasibility of a patient-centered method to determine meaningful change in pain intensity on a survey of patients with a history of cancer. 一种以患者为中心的方法在对有癌症病史的患者的调查中确定疼痛强度有意义的变化的可行性
IF 4.8
Pain Reports Pub Date : 2022-06-06 eCollection Date: 2022-07-01 DOI: 10.1097/PR9.0000000000001015
Salene M W Jones, Joseph M Unger
{"title":"Feasibility of a patient-centered method to determine meaningful change in pain intensity on a survey of patients with a history of cancer.","authors":"Salene M W Jones, Joseph M Unger","doi":"10.1097/PR9.0000000000001015","DOIUrl":"10.1097/PR9.0000000000001015","url":null,"abstract":"<p><strong>Introduction: </strong>Current methods of determining minimally important differences (MIDs) in patient-reported outcomes (PROs) do not incorporate individual patient values.</p><p><strong>Objectives: </strong>This study tested the feasibility of having cancer patients define a personally meaningful change in pain intensity, a method we have termed Precision PROs.</p><p><strong>Methods: </strong>Adults with cancer and pain (n = 231) completed an electronic questionnaire twice over 2 weeks. Participants were then given their pain intensity scores with an explanation of score meaning. Participants then defined their own MIDs for an increase and decrease in pain intensity. Participants also answered 3 questions testing their understanding of the MID concept.</p><p><strong>Results: </strong>The majority of participants could define an individually meaningful increase (97% [n = 223]) and individually meaningful decrease (98% [n = 226]) in pain intensity. Seventy-two percent of participants (n = 166) answered all test questions correctly and 26% (n = 60) answered 2 of 3 correctly. Using the individual MID, 32% (95% CI: 25.3, 40.0) of the sample experienced a meaningful change between the 2 surveys, more than other methods (<i>z</i>-test: 14%, 95% CI: 9.4, 20.6; distribution-based method: 24%, 95% CI: 17.7, 31.1).</p><p><strong>Conclusions: </strong>This study showed the feasibility of the Precision PRO individual MID, which could be used in clinical care or clinical trials. Further studies are needed to compare the individual MID to current methods.</p>","PeriodicalId":52189,"journal":{"name":"Pain Reports","volume":"7 1","pages":"e1015"},"PeriodicalIF":4.8,"publicationDate":"2022-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10833635/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42372436","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Conditioned pain modulation is associated with heightened connectivity between the periaqueductal grey and cortical regions. 条条性疼痛调节与导水管周围灰质区域和皮层区域之间的连接性增强有关
IF 3.4
Pain Reports Pub Date : 2022-05-07 eCollection Date: 2022-05-01 DOI: 10.1097/PR9.0000000000000999
Richard Harrison, Wiebke Gandhi, Carien M van Reekum, Tim V Salomons
{"title":"Conditioned pain modulation is associated with heightened connectivity between the periaqueductal grey and cortical regions.","authors":"Richard Harrison, Wiebke Gandhi, Carien M van Reekum, Tim V Salomons","doi":"10.1097/PR9.0000000000000999","DOIUrl":"10.1097/PR9.0000000000000999","url":null,"abstract":"<p><strong>Introduction: </strong>Conditioned pain modulation (CPM) is a psychophysical assessment used to estimate the efficiency of an individual's endogenous modulatory mechanisms. Conditioned pain modulation has been used as a predictive assessment for the development of chronic pain and responses to pain interventions. Although much is known about the spinal cord mechanisms associated with descending pain modulation, less is known about the contribution of supraspinal and especially cortical regions.</p><p><strong>Objectives: </strong>We aimed to explore how whole-brain connectivity of a core modulatory region, the periaqueductal grey (PAG), is associated with conditioned pain modulation, and endogenous pain modulation more broadly.</p><p><strong>Methods: </strong>We measured CPM and resting-state connectivity of 35 healthy volunteers, absent of chronic pain diagnoses. As a region of interest, we targeted the PAG, which is directly involved in endogenous modulation of input to the spinal cord and is a key node within the descending pain modulation network.</p><p><strong>Results: </strong>We found that CPM was associated with heightened connectivity between the PAG and key regions associated with pain processing and inhibition, such as the primary and secondary somatosensory cortices, as well as the motor, premotor, and dorsolateral prefrontal cortices. These findings are consistent with connectivity findings in other resting-state and event-related fMRI studies.</p><p><strong>Conclusion: </strong>These findings indicate that individuals who are efficient modulators have greater functional connectivity between the PAG and regions involved in processing pain. The heightened connectivity of these regions may contribute to the beneficial outcomes in clinical pain management, as quantified by CPM. These results may function as brain-based biomarkers for vulnerability or resilience to pain.</p>","PeriodicalId":52189,"journal":{"name":"Pain Reports","volume":"7 1","pages":"e999"},"PeriodicalIF":3.4,"publicationDate":"2022-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9084428/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41402612","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Patient perspectives of pain and function after knee replacement: a systematic review and meta-synthesis of qualitative studies 患者对膝关节置换术后疼痛和功能的看法:一项定性研究的系统回顾和综合
IF 4.8
Pain Reports Pub Date : 2022-05-01 DOI: 10.1097/PR9.0000000000001006
C. E. Taylor, C. Murray, T. Stanton
{"title":"Patient perspectives of pain and function after knee replacement: a systematic review and meta-synthesis of qualitative studies","authors":"C. E. Taylor, C. Murray, T. Stanton","doi":"10.1097/PR9.0000000000001006","DOIUrl":"https://doi.org/10.1097/PR9.0000000000001006","url":null,"abstract":"Supplemental Digital Content is Available in the Text. Patient perspectives highlight the need for presurgical information about expected recovery trajectories after total knee replacement and enhanced postsurgical follow-up with practical support. Abstract Introduction: Joint replacement surgery typically results in good clinical outcome, although some people experience suboptimal pain relief and functional improvement. Predicting surgical outcome is difficult. Objectives: There is merit in better understanding patients' perspectives of pain and function to identify avoidable problems perceived to contribute to their outcome, to inform prognostic expectations, and to identify potential cointerventions to sit alongside surgery that might mitigate pain/functional problems. Here, we aimed to synthesise the available literature exploring perspectives of people with knee osteoarthritis about their pain and function following joint replacement. Methods: Six electronic databases and 2 websites were searched. Two independent reviewers completed study inclusion, quality assessment, and data extraction. Data were iteratively synthesised using first-, second-, and third-order analyses. Results: Twenty-eight studies were included. Four themes were identified; perceptions of pain and function were inseparable. Theme 1 addressed experiences of recovery after surgery, which often differed from expectations. Theme 2 described the challenges of the pain experience and its functional impact, including the difficulty navigating medication use in context of personal beliefs and perceived stigma. Theme 3 articulated the toll of ongoing problems spanning pain–function–mood, necessitating the need to “endure.” Theme 4 encompassed the importance of clinical/social interactions on mood and pain, with reports of concerns dismissed and practical support missing. Conclusions: Together, these findings show that numerous individual considerations beyond the technical aspects of surgery influence experiences of pain and function. A tailored approach addressing these considerations from the patient perspective could provide a basis for improved success of knee replacement surgery.","PeriodicalId":52189,"journal":{"name":"Pain Reports","volume":" ","pages":""},"PeriodicalIF":4.8,"publicationDate":"2022-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48636329","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}
引用次数: 2
Ultrasound-guided lumbar medial branch blocks and intra-articular facet joint injections: a systematic review and meta-analysis 超声引导下腰内侧支阻滞和关节内小关节注射:一项系统综述和荟萃分析
IF 4.8
Pain Reports Pub Date : 2022-05-01 DOI: 10.1097/PR9.0000000000001008
Zachary Ashmore, Michael M. Bies, James B. Meiling, Rajat N Moman, L. Hassett, Christine L. Hunt, Steven P. Cohen, W. Hooten
{"title":"Ultrasound-guided lumbar medial branch blocks and intra-articular facet joint injections: a systematic review and meta-analysis","authors":"Zachary Ashmore, Michael M. Bies, James B. Meiling, Rajat N Moman, L. Hassett, Christine L. Hunt, Steven P. Cohen, W. Hooten","doi":"10.1097/PR9.0000000000001008","DOIUrl":"https://doi.org/10.1097/PR9.0000000000001008","url":null,"abstract":"Supplemental Digital Content is Available in the Text. In this systematic review and meta-analysis, ultrasound-guided lumbar medial branch blocks and facet joint injections were associated with significant risk of incorrect needle placement.","PeriodicalId":52189,"journal":{"name":"Pain Reports","volume":" ","pages":""},"PeriodicalIF":4.8,"publicationDate":"2022-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49357006","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}
引用次数: 3
Characteristics of office workers who benefit most from interventions for preventing neck and low back pain: a moderation analysis 从预防颈部和腰痛的干预措施中获益最多的办公室职员的特征:一项适度分析
IF 4.8
Pain Reports Pub Date : 2022-05-01 DOI: 10.1097/PR9.0000000000001014
Nipaporn Akkarakittichoke, M. Jensen, A. Newman, Pooriput Waongenngarm, Prawit Janwantanakul
{"title":"Characteristics of office workers who benefit most from interventions for preventing neck and low back pain: a moderation analysis","authors":"Nipaporn Akkarakittichoke, M. Jensen, A. Newman, Pooriput Waongenngarm, Prawit Janwantanakul","doi":"10.1097/PR9.0000000000001014","DOIUrl":"https://doi.org/10.1097/PR9.0000000000001014","url":null,"abstract":"Number of working hours, work-related psychological demands, and use of lumbar support moderate the beneficial effects of preventive interventions for neck and low back pain. Abstract Introduction: Neck and low back pain are significant health problem in sedentary office workers. Active break and postural shift interventions has been proved to reduce the incidence of new onset of both neck and low back pain. Objectives: To identify variables that moderate the effects of active breaks and postural shift interventions on the development of neck and low back pain in office workers. Methods: Using data from a 3-arm (active break, postural shift, and control group) cluster randomized controlled trial (N = 193), we evaluated the moderating effects of age, job position, education level, sex, perceived psychological work demands, number of working hours, and using a chair with lumbar support on the benefits of 2 interventions designed to prevent the development of neck and low back pain in office workers. Moderation analyses were conducted using the Hayes PROCESS macro, with post hoc Johnson–Neyman techniques and logistic regressions. Results: Significant interactions between intervention groups and 3 moderators assessed at baseline emerged. For the prevention of neck pain, the effect of the active break intervention was moderated by the number of working hours and the effect of the postural shift intervention was moderated by the level of perceived psychological work demands and the number of working hours. For the prevention of low back pain, the effect of postural shift intervention was moderated by having or not having a chair with lumbar support. Conclusions: The study findings can be used to help determine who might benefit the most from 2 treatments that can reduce the risk of developing neck and low back pain in sedentary workers and may also help us to understand the mechanisms underlying the benefits of these interventions.","PeriodicalId":52189,"journal":{"name":"Pain Reports","volume":" ","pages":""},"PeriodicalIF":4.8,"publicationDate":"2022-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43263699","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}
引用次数: 2
Temporal trend of opioid and nonopioid pain medications: results from a national in-home survey, 2001 to 2018 阿片类和非阿片类止痛药的时间趋势:2001年至2018年全国家庭调查结果
IF 4.8
Pain Reports Pub Date : 2022-05-01 DOI: 10.1097/PR9.0000000000001010
Yun Wang, Dan Wu, A. Chan, Chih-Hung Chang, V. Lee, M. Nichol
{"title":"Temporal trend of opioid and nonopioid pain medications: results from a national in-home survey, 2001 to 2018","authors":"Yun Wang, Dan Wu, A. Chan, Chih-Hung Chang, V. Lee, M. Nichol","doi":"10.1097/PR9.0000000000001010","DOIUrl":"https://doi.org/10.1097/PR9.0000000000001010","url":null,"abstract":"Supplemental Digital Content is Available in the Text. Abstract Introduction: The opioid epidemic persists in the United States. The use of opioid medications is often assessed by claims data but potentially underestimated. Objectives: We evaluated the temporal trend in the use of opioid and nonopioid pain medications from a national survey. Methods: Using data from the 2001 to 2018 National Health and Nutrition Examination Survey (NHANES), we examined the current use of prescription analgesics in the past 30 days among 50,201 respondents aged 20 years or older. Joinpoint regressions were used to test statistically meaningful trends of opioid vs nonopioid analgesics. Results: The mean percentage of people who had pain medications in the past 30 days was 6.4% (5.3%-7.1%) for opioid and 11.3% (9.0%-14.8%) for nonopioid analgesics. The availability of opioid and nonopioid prescriptions at home has remained stable, except for the slight decline of opioids among cancer-free patients in 2005 to 2018. The most frequently used opioid analgesic medications included hydrocodone/acetaminophen, tramadol, and hydrocodone. Conclusion: We uniquely measured the proportion of people who had opioid and nonopioid pain medications at home in the United States and supplemented the previous knowledge of prescription rates mainly obtained from claims data.","PeriodicalId":52189,"journal":{"name":"Pain Reports","volume":" ","pages":""},"PeriodicalIF":4.8,"publicationDate":"2022-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45418535","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}
引用次数: 2
Abstracts from the International Pelvic Pain Society Annual Scientific Meeting on Pelvic Pain 2021 国际盆腔疼痛学会2021年盆腔疼痛年度科学会议摘要
IF 4.8
Pain Reports Pub Date : 2022-05-01 DOI: 10.1097/PR9.0000000000001002
F. Tu
{"title":"Abstracts from the International Pelvic Pain Society Annual Scientific Meeting on Pelvic Pain 2021","authors":"F. Tu","doi":"10.1097/PR9.0000000000001002","DOIUrl":"https://doi.org/10.1097/PR9.0000000000001002","url":null,"abstract":"After endless COVID-19 we were finally able to meet in person at the 24th International Pelvic Pain Society (IPPS) the The 2021 program featured several interesting and innovative research projects conducted by investigators around the globe, while the hybrid format allowed for both virtual and in-person collaboration. The abstracts presented here underwent a rigorous peer review process, whereby each abstract was evaluated by at least 2 members of the Scientific Program, Abstract, or Research IPPS committees. Abstracts were rejected if they were incomplete, if they had inadequate statistical analysis, or if the topic was not relevant to pain. Case reports were accepted for presentation but are excluded from this publication. Methods: This study followed PROMIS guidelines. We created potential PROM items in reference to IMMPACT recommenda-tions. These items were iteratively reviewed by a panel of dyspareunia experts: patient partners (n 5 4), gynecologists (n 5 2), and a psychiatrist (n 5 1). Panelists voted for inclusion, modification, or exclusion of items based on clarity and relevance. Panelists also provided suggestions for revisions or new items. Items that reached consensus ( $ 80% inclusion votes) were accepted into the PROM. New and modified items appeared on subsequent survey iterations alongside the associated votes and comments from the preceding survey. Results: Panelists reviewed 163 items. Items with $ 80% inclusion votes fell into categories of pain location, intensity, quality, timing, or effect of pain on behaviors, cognitions, affect, and sexuality. Conclusions: Items that reached consensus displayed clarity, clinical relevance, experiential relevance, and comprehensive-ness about the dyspareunia experience. The e-Delphi process contributes to establishing PROM content validity by using expert opinion to reach a consensus. Future work should use qualitative and psychometric testing to further establish validity and reliability. in a prospective study of menstrual pain. Visual and visceral sensitivity was experimentally quantified in a cohort of women (n 147) at greater risk for developing CPP (ie, mild-to-severe dysmenorrhea). Scalp EEG (electroencephalography) was recorded while participants were presented with a periodic pattern-reversal checkerboard stimulus across 5 brightness intensities to measure the visual cortex activity. Visual sensitivity was assessed using visual unpleasantness ratings provided after each brightness intensity. Visceral sensitivity was assessed using our validated bladder-filling task and visual analog scale ratings of menstrual pain. 117 participants), hypnotherapy (1 study and 36 participants), local anesthetic trigger point injections (1 study and 29 participants), and oxytocin nasal spray (1 study and 21 participants). Conclusions: Many studies showed a placebo effect possibly indicating that simple acknowledgement of pain symptoms with a treatment plan can improve pain. Physical therapy showed s","PeriodicalId":52189,"journal":{"name":"Pain Reports","volume":" ","pages":""},"PeriodicalIF":4.8,"publicationDate":"2022-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44653000","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}
引用次数: 0
Fadu head and neck squamous cell carcinoma induces hyperexcitability of primary sensory neurons in an in vitro coculture model. 法度头颈部鳞状细胞癌在体外共培养模型中诱导初级感觉神经元的高兴奋性。
IF 4.8
Pain Reports Pub Date : 2022-05-01 DOI: 10.1097/PR9.0000000000001012
Megan L Uhelski, Aysegul Gorur, Ted Shi, German Corrales, Kim N Du, Yan Li, Moran Amit, Claudio E Tatsui, Laurence D Rhines, Patrick M Dougherty, Juan P Cata
{"title":"Fadu head and neck squamous cell carcinoma induces hyperexcitability of primary sensory neurons in an in vitro coculture model.","authors":"Megan L Uhelski,&nbsp;Aysegul Gorur,&nbsp;Ted Shi,&nbsp;German Corrales,&nbsp;Kim N Du,&nbsp;Yan Li,&nbsp;Moran Amit,&nbsp;Claudio E Tatsui,&nbsp;Laurence D Rhines,&nbsp;Patrick M Dougherty,&nbsp;Juan P Cata","doi":"10.1097/PR9.0000000000001012","DOIUrl":"https://doi.org/10.1097/PR9.0000000000001012","url":null,"abstract":"<p><strong>Introduction: </strong>Currently, cancer pain is viewed as a process orchestrated by the release of pronociceptive molecules and the invasion of neural structures, referred to as perineural invasion (PNI). Cancer pain resulting from PNI is well-documented, but the mechanisms leading to peripheral sensitization because of tumor growth are not fully known.</p><p><strong>Methods: </strong>A retrospective study was used to examine how the use of anti-inflammatory medications affected preoperative pain in patients with oral squamous cell carcinoma cancer. We then used an in vitro coculture model in which dorsal root ganglion (DRG) neurons were incubated together with Fadu human head and neck squamous cell carcinoma cancer cells to explore how cancer cells affect the electrical membrane properties of sensory neurons.</p><p><strong>Results: </strong>We found that inflammation contributes to preoperative pain in patients with oral squamous cell carcinoma. After coculture with Fadu human head and neck squamous cell carcinoma cancer cells, we identified markers of inflammation in coculture media and found evidence of neuronal sensitization, including spontaneous activity, reduced current thresholds, depolarized resting membrane potential, and enhanced responses to current stimulation in human and rat DRG neurons. In rats, these effects were influenced by sex and age: neurons from young adult female rats were resistant to changes in neuronal activity, in contrast to neurons from older adult female rats or male rats of either age group.</p><p><strong>Conclusions: </strong>Pro-inflammatory substances released in cancer cell-DRG coculture promoted neuronal hyperexcitability and may contribute to cancer pain after PNI, and these effects may differ across age groups and sexes.</p>","PeriodicalId":52189,"journal":{"name":"Pain Reports","volume":"7 3","pages":"e1012"},"PeriodicalIF":4.8,"publicationDate":"2022-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/45/98/painreports-7-e1012.PMC9113206.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9683126","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
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