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Tait RC, Chibnall JT. The Healthcare Provider Burden Scale: Short Form. PAIN MEDICINE (MALDEN, MASS.) 2023; 24:1207-1208. [PMID: 37154685 DOI: 10.1093/pm/pnad056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 04/26/2023] [Accepted: 05/04/2023] [Indexed: 05/10/2023]
Affiliation(s)
- Raymond C Tait
- Department of Psychiatry and Behavioral Neuroscience, Saint Louis University School of Medicine, St. Louis, MO 63105, United States
| | - John T Chibnall
- Department of Psychiatry and Behavioral Neuroscience, Saint Louis University School of Medicine, St. Louis, MO 63105, United States
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Nishikawara RK, Schultz IZ, Butterfield LD, Murray JW. “You have to believe the patient”: What do people with fibromyalgia find helpful (and hindering) when accessing healthcare? Can J Pain 2023; 7:2176745. [PMID: 37025116 PMCID: PMC10072062 DOI: 10.1080/24740527.2023.2176745] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Background Fibromyalgia (FM) is a complex, still poorly understood, and difficult-to-treat chronic pain condition for which many people struggle to find adequate care. Aims This study investigated the research question, "What do people accessing health care services for fibromyalgia perceive as helpful, hindering, and absent but desired?" with the aim of identifying clear, implementable changes for clinical practice. Materials and methods This study used the enhanced critical incident technique (ECIT), a qualitative research method that focuses on helping, hindering, and desired factors, to explore the health care experiences of 14 individuals (12 women and 2 men) diagnosed with FM. Results Using qualitative data analysis, results identified three categories of health care experiences: (1) systemic navigation, including financial and economic security; accessibility, flexibility, and continuity of care; and diversity of treatment options; (2) clinician-patient alliance, including invalidation and prejudice; therapeutic bond; and clinician-patient alignment on treatment plan; and (3) patient self-management strategies, including information-seeking and education, self-advocacy, social supports, symptom management strategies, and other coping strategies. Participants tended to conceptualize their health care concerns as a multilayered systemic problem. Conclusions Participants described a medical system they perceived as poorly equipped to support their needs and tended to invalidate their health concerns. Helping experiences tended to be the result of unique efforts on the part of individual clinicians. Findings emphasize the importance of recognizing the complexities and psychological impact of pain, trusting clinician-patient relationships, multidisciplinary/interdisciplinary care within a biopsychosocial framework, and improved education and awareness around psychosocial aspects of FM and effective management of chronic pain.
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Affiliation(s)
- Ria K. Nishikawara
- Educational and Counselling Psychology, and Special Education, The University of British Columbia, Vancouver, Canada
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Mukhida K, Sedighi S, Hart C. Popcorn in the pain clinic: A content analysis of the depiction of patients with chronic pain and their management in motion pictures. Can J Pain 2022; 6:195-210. [PMID: 36324369 PMCID: PMC9620999 DOI: 10.1080/24740527.2022.2123308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 09/03/2022] [Accepted: 09/07/2022] [Indexed: 11/11/2022]
Abstract
The watching of films is popular and accessible to broad segments of the population. The depiction of medical conditions in films has the potential to affect the public's perception of them and contribute to stereotypes and stigma. We investigated how patients with chronic pain and their management are depicted in feature films. Films that contained characters with or references to chronic pain were searched for using databases such as the International Movie Database. Themes that emerged from the content analysis revolved around the films' depictions of characters with pain, their health care providers, and therapies for pain management. Patients with chronic pain were depicted in various ways, including in manners that could elicit empathy from audiences or that might contribute to the development of negative stereotypes about them. The attitudes of health care professionals toward patients with chronic pain ranged from compassionate to dispassionate. Pain management was typically depicted as lacking in breadth or using multidisciplinary approaches with a focus on pharmacological management. The variety of topics related to chronic pain depicted in feature films lends to their use in medical education strategies to better inform health care professions trainees about chronic pain management.
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Affiliation(s)
- Karim Mukhida
- Department of Anesthesiology, Pain Management and Perioperative Medicine, Faculty of Medicine, Dalhousie University, Halifax, Nova Scotia, Canada
| | - Sina Sedighi
- Faculty of Medicine, Dalhousie University, Halifax, Nova Scotia, Canada
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Johnston-Devin C, Oprescu F, Wallis M, Gray M. Educational considerations for health professionals to effectively work with clients with complex regional pain syndrome. PLoS One 2022; 17:e0269337. [PMID: 35696357 PMCID: PMC9191715 DOI: 10.1371/journal.pone.0269337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Accepted: 05/18/2022] [Indexed: 11/18/2022] Open
Abstract
Introduction
People living with complex regional pain syndrome (CRPS), a rare chronic pain disorder, must become experts in their own self-management. Listening to the voice of the patient is often advocated in the pain literature. However, the patient’s option is rarely asked for or considered by clinicians, even when they live with a condition that health professionals have rarely heard of.
Purpose
To explore what people living with complex regional pain syndrome (CRPS) think health professionals should know about their condition to provide appropriate care.
Design
A heuristic, hermeneutic phenomenological study was conducted asking people about their experiences living with CRPS. This paper reports on the findings of an additional question asked of all participants.
Participants
Seventeen people living with complex regional pain syndrome were interviewed.
Findings
Overwhelmingly, participants felt that health professionals do not know enough about CRPS, or chronic pain and believe their health outcomes are affected by this lack of knowledge. Sub-themes identified were don’t touch unless I say it is okay; be patient with the patient/ it is important to develop a relationship; educate yourself and educate the patient; choose your words carefully and refer to others as needed. An additional theme, it is very hard to describe CRPS was also identified.
Conclusions
Including patients as a member of the healthcare team is recommended to help people take control and self-manage their pain. For true patient centered care to be achieved, health professionals must accept and respect patients’ descriptions of pain and their pain experience. This may require additional health professional education at both undergraduate and post-graduate levels in pain and communication to increase their bedside manner and therapeutic communication to deliver care in partnership with the patient.
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Affiliation(s)
- Colleen Johnston-Devin
- School of Nursing, Midwifery and Social Sciences, Central Queensland University, Brisbane, Queensland, Australia
- * E-mail:
| | - Florin Oprescu
- School of Health and Sport Science, University of the Sunshine Coast, Sippy Downs, Queensland, Australia
| | - Marianne Wallis
- Faculty of Health, Southern Cross University, Bilinga, Queensland, Australia
| | - Marion Gray
- School of Health and Wellbeing, University of Southern Queensland, Ipswich, Queensland, Australia
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Cousins M, Lane-Krebs K, Matthews J, Johnston-Devin C. Student nurses' pain knowledge and attitudes towards pain management over the last 20 years: A systematic review. NURSE EDUCATION TODAY 2022; 108:105169. [PMID: 34653890 DOI: 10.1016/j.nedt.2021.105169] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 08/16/2021] [Accepted: 10/06/2021] [Indexed: 06/13/2023]
Abstract
OBJECTIVE To discover if nursing students have improved their level of pain knowledge and their attitudes towards pain management over the last 20 years. DESIGN Systematic review utilising the Kable, Pich, and Maslin-Prothero 12 step approach to document a search strategy. DATA SOURCES A search was conducted from 2000 to 2020 using CINAHL, PubMed, Embase and ProQuest. REVIEW METHODS Studies exploring the level of pain management knowledge and attitudes of nursing students were included. The Critical Review Form - Quantitative Studies provided the appraisal framework (Law et al., 1998). A narrative synthesis of eligible studies was undertaken. RESULTS Six studies with a total of 1454 participants were included. The studies demonstrated that nursing students have not improved their level of pain knowledge and attitudes towards pain management in the last 20 years. Whilst many nursing students thought they possessed adequate pain knowledge, the studies all demonstrated that their pain knowledge is lacking and that they do not have appropriate attitudes towards pain. Students did not recognise the patient who was not grimacing as being in pain despite the patient report of pain. CONCLUSIONS These findings support the notion that nursing education does not include sufficient focus on pain identification and management. Alignment of nursing pain education with the curriculum developed in 1993 by the International Association for the Study of Pain is needed to ensure nurses have appropriate knowledge so that patients can receive effective pain management.
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Affiliation(s)
- Marina Cousins
- School of Nursing, Midwifery and Social Sciences, CQUniversity Australia, 554-700 Yaamba Rd, Norman Gardens, QLD 4701, Australia.
| | - Katrina Lane-Krebs
- School of Nursing, Midwifery and Social Sciences, CQUniversity Australia, 554-700 Yaamba Rd, Norman Gardens, QLD 4701, Australia
| | - Joy Matthews
- School of Nursing, Midwifery and Social Sciences, CQUniversity Australia, 554-700 Yaamba Rd, Norman Gardens, QLD 4701, Australia
| | - Colleen Johnston-Devin
- School of Nursing, Midwifery and Social Sciences, CQUniversity Australia, 554-700 Yaamba Rd, Norman Gardens, QLD 4701, Australia
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Zhu R, Zhang L, Zheng YH, Zhang ZH, Zhang LM, Yang HL, Yue Y, Xiong X. Association between Stigma and Pain in Patients with Temporomandibular Disorders. Int J Clin Pract 2022; 2022:2803540. [PMID: 36212051 PMCID: PMC9519306 DOI: 10.1155/2022/2803540] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Revised: 09/05/2022] [Accepted: 09/06/2022] [Indexed: 11/18/2022] Open
Abstract
OBJECTIVE This study aims to explore the association between stigma and pain in patients with temporomandibular disorders (TMDs). METHODS Two hundred and twenty-five patients with TMDs were recruited, and they completed the questionnaires including the Visual Analogue Scale of Pain (VAS), Generalized Anxiety Disorder 7-Item (GAD-7), the Patient Health Questionnaire 9-item (PHQ-9), Jaw Functional Limitation Scale 8-item (JFLS-8), the Stigma Scale for Chronic Illness 8-item (SSCI-8), and other demographic and disease-related information. The total score of SSCI-8 indicated overall stigma, which could be classified into 2 subdomains, felt stigma and enacted stigma, according to their representative items, respectively. Then, the patients were divided into 2 groups in each subdomain of stigma according to their scores: stigma group (score ≥ 1) and no stigma group (score = 0). RESULTS Patients with overall stigma and enacted stigma presented significantly higher scores in VAS, GAD-7, PHQ-9, and JFLS-8 than those without overall stigma and those without enacted stigma, respectively. Significant differences between patients with and without felt stigma were only observed in GAD-7, PHQ-9, and JFLS-8. Patients with overall stigma and enacted stigma mainly suffered from pain-related TMDs (PTs) and combined TMDs (CTs). Overall stigma and enacted stigma rather than felt stigma were significantly associated with both PTs and CTs. Stigma, including overall stigma, enacted stigma, and felt stigma, was more associated with anxiety and depression and less related to jaw functional limitation of the patients with TMDs. CONCLUSION Stigma, specifically enacted stigma, was correlated to pain in patients with TMDs. Stigma was more related to psychological problems than jaw functional limitation.
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Affiliation(s)
- Rui Zhu
- The State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Sichuan, China
| | - Li Zhang
- The State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Yun-Hao Zheng
- The State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Zi-Han Zhang
- The State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Li-Ming Zhang
- Rehabilitation Medicine Center, Department of Rehabilitation Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Hao-Lun Yang
- Rehabilitation Medicine Center, Department of Rehabilitation Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Yuan Yue
- The State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Sichuan, China
| | - Xin Xiong
- The State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
- Department of Temporomandibular Joint, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
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Chibnall JT, Tait RC. Psychometric Properties of a Healthcare Provider Burden Scale: Preliminary Results. PAIN MEDICINE 2021; 23:887-894. [PMID: 34850197 DOI: 10.1093/pm/pnab337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 11/18/2021] [Accepted: 11/20/2021] [Indexed: 11/14/2022]
Abstract
Measures are lacking of the clinical burden that healthcare providers perceive in treating chronic conditions. This study presents a preliminary psychometric evaluation of a novel self-report measure of provider burden in the treatment of chronic pain. Data for eight burden items were available from vignette studies examining the effects of patient pain severity and medical evidence on clinical burden and judgments for chronic pain. Participants (N = 922) were 109 physicians and 813 non-physicians, all acting in the role of physician (232 community members without chronic pain, 105 community members with chronic pain, and 476 American Chronic Pain Association members with chronic pain). Factor analyses of burden items yielded one-factor solutions in all samples, with high factor loadings and adequate explained variance. Internal consistency reliability was uniformly high (≥ .87). Burden scores were significantly higher among physicians compared to non-physicians; non-physician groups did not differ on any burden score. Significant correlations of burden score with indicators of psychosocial complications in patient care supported scale validity. Burden score was not associated with gender, age, or education. Results provide initial support for the psychometric properties of a Healthcare Provider Burden Scale (HPBS). Research utilizing larger and representative healthcare provider groups is needed.
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Affiliation(s)
- John T Chibnall
- Department of Psychiatry and Behavioral Neuroscience, Saint Louis University School of Medicine, St. Louis, Missouri
| | - Raymond C Tait
- Department of Psychiatry and Behavioral Neuroscience, Saint Louis University School of Medicine, St. Louis, Missouri
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Tait RC, Chibnall JT, Kalauokalani D. Patient Perceptions of Physician Burden in the Treatment of Chronic Pain. THE JOURNAL OF PAIN 2021; 22:1060-1071. [PMID: 33727158 DOI: 10.1016/j.jpain.2021.03.140] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Revised: 02/22/2021] [Accepted: 03/01/2021] [Indexed: 12/30/2022]
Abstract
While patient perceptions of burden to caregivers is of recognized clinical significance among people with chronic pain, perceived burden to treating physicians has not been studied. This study examined how people with chronic pain perceived levels of medical evidence (low vs high) and pain severity (4,6,8/10) to influence physician burden and how burden then mediated expected clinical judgments. 476 people with chronic pain read vignettes describing a hypothetical patient with varying levels of medical evidence and pain severity from the perspective of a treating physician, rated the burden that patient care would pose, and made a range of clinical judgments. The effect of pain severity on clinical judgments was expected to interact with medical evidence and be conditionally mediated by burden. Although no associations with burden were found for the pain severity x medical evidence interaction or for pain severity alone, low levels of supporting medical evidence yielded higher burden ratings. Burden significantly mediated medical evidence effects on judgments of symptom credibility, clinical improvement, and psychosocial dysfunction. Results indicate that perceived physician burden negatively influenced judgments of patients with chronic pain, beyond the direct effects of medical evidence. Implications are discussed for clinical practice, as well as future research. PERSPECTIVE: : People with chronic pain expect physicians to view the care of patients without supporting medical evidence as burdensome. Higher burden is associated with less symptom credibility, more psychosocial dysfunction, and less treatment benefit. Perceived physician burden appears to impact how patients approach treatment, with potentially adverse implications for clinical practice.
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Affiliation(s)
- Raymond C Tait
- Department of Psychiatry and Behavioral Neuroscience, Saint Louis University, St. Louis, Missouri.
| | - John T Chibnall
- Department of Psychiatry and Behavioral Neuroscience, Saint Louis University, St. Louis, Missouri
| | - Donna Kalauokalani
- Chairman of the Board, American Chronic Pain Association, Rocklin, California
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Tait RC, Chibnall JT. Community Perspectives on Patient Credibility and Provider Burden in the Treatment of Chronic Pain. PAIN MEDICINE 2021; 23:1075-1083. [PMID: 34387353 DOI: 10.1093/pm/pnab256] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE This study examined factors influencing lay perceptions of a provider's clinical burden in providing care to a person with chronic pain. DESIGN In a between-subjects design that varied three levels of pain severity (4-6-8/10) with two levels of medical evidence (low/high), participants rated the credibility of pain reported by a hypothetical patient and psychosocial factors expected to mediate the effects of evidence and severity on a provider's burden of care. SETTING A randomized vignette study in which community participants were recruited via Amazon Mechanical Turk. SUBJECTS 337 community participants. METHODS Using a Qualtrics platform, participants read one of six vignettes describing a hypothetical patient with varying levels of medical evidence and pain severity, and then rated perceived pain severity, pain credibility, psychosocial variables, and burden. RESULTS Serial mediation models accounted for all effects of medical evidence and pain severity on burden. Low medical evidence was associated with increased burden, as mediated through lower pain credibility and greater concerns about patient depression, opioid abuse, and learning pain management. Higher levels of reported pain severity were associated with increased burden, as mediated through greater pain discounting and concerns about opioid abuse. CONCLUSIONS The lay public is skeptical of chronic pain that is not supported by medical evidence or is reported at high levels of severity, raising concerns about psychosocial complications and drug seeking and expectations of higher burden of care. Such negative stereotypes can pose obstacles to people seeking necessary care if they or others develop a chronic pain condition.
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Affiliation(s)
- Raymond C Tait
- Department of Psychiatry and Behavioral Neuroscience, Saint Louis University School of Medicine
| | - John T Chibnall
- Department of Psychiatry and Behavioral Neuroscience, Saint Louis University School of Medicine
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Tait RC, Chibnall JT, Kalauokalani D. A Preliminary Study of Provider Burden in the Treatment of Chronic Pain: Perspectives of Physicians and People with Chronic Pain. THE JOURNAL OF PAIN 2021; 22:1408-1417. [PMID: 33989786 DOI: 10.1016/j.jpain.2021.04.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 04/13/2021] [Accepted: 04/20/2021] [Indexed: 10/21/2022]
Abstract
This study compared perceptions of the burden of patient care and associated clinical judgments between physicians and people with chronic pain (PWCP) in a 2 × 3 × 2 between-subjects design that varied participant type, patient-reported pain severity (4/6-8/10), and supporting medical evidence (low/high). One hundred and nine physicians and 476 American Chronic Pain Association members were randomly assigned to 1 of 6 conditions. Respondents estimated the clinical burden they would assume as the treating physician of a hypothetical patient with chronic low back pain, and made clinical judgments regarding that patient. Physician burden ratings were significantly higher than PWCP ratings, and clinical impressions (eg, trust in pain report, medical attribution) and management concerns (eg, opioid abuse risk) were relatively less favorable. Neither pain severity nor medical evidence affected burden ratings significantly. High medical evidence was associated with more favorable clinical impressions; higher pain severity led to more discounting of patient pain reports. Burden was significantly correlated with a range of clinical judgments. Results indicate that physicians and PWCP differ in their perceptions of provider burden and related clinical judgments in ways that could impact treatment collaboration. Further research is needed that examines provider burden in actual clinical practice. PERSPECTIVE: Physicians and people with chronic pain (PWCP) estimated the clinical burden of patient care and made judgments about a hypothetical patient with chronic pain. Physician burden ratings were higher and clinical judgments less favorable, relative to PWCP respondents. These differences could impact treatment collaboration and merit study in clinical practice.
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Affiliation(s)
- Raymond C Tait
- Department of Psychiatry and Behavioral Neuroscience, Saint Louis University School of Medicine, St. Louis, Missouri.
| | - John T Chibnall
- Department of Psychiatry and Behavioral Neuroscience, Saint Louis University School of Medicine, St. Louis, Missouri
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Clinical Correlates of Opioid Prescription Among Pediatric Patients With Chronic Pain. Am J Prev Med 2021; 60:379-386. [PMID: 33160799 DOI: 10.1016/j.amepre.2020.08.026] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 08/28/2020] [Accepted: 08/30/2020] [Indexed: 11/23/2022]
Abstract
INTRODUCTION Up to 17%-20% of pediatric patients with chronic pain are prescribed opioid pharmacotherapy and face an increased risk of opioid misuse in adulthood. Little is known about the way clinical presentation may influence which children with chronic pain are prescribed opioids. This study examines the associations between child's and caregiver's report of child's pain, physical function, and socioemotional indices with opioid prescriptions in pediatric patients initiating treatment for chronic pain. METHODS Participants were 1,155 pediatric patients (71.26% female, n=823) aged 8-17 years and 1 of their caregivers (89% mothers) who presented for evaluation at a tertiary care pediatric pain clinic. Data were collected from 2015 to 2019 and analyzed in 2020. RESULTS Binary logistic regression analyses investigated the relative contribution of child's demographic, pain, and Patient-Reported Outcome Measurement Information System measures to opioid prescription status; separate models were conducted for child's and caregiver's report. Across child and caregiver models, findings were that child's age (older), pain duration (longer; child's report only), and increased physical limitations (mobility challenges and pain interference; caregiver's report only) were the most salient clinical correlates of positive opioid status. Contrary to the existing literature on adults with chronic pain, socioemotional indices (anxiety, depression, peer functioning) were nonsignificant. CONCLUSIONS A greater understanding of how clinical presentation may relate to prescribed opioid pharmacotherapy informs the field's conceptualization of the sequelae of opioid use and misuse in the context of pediatric chronic pain.
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Fulton BA, Burton EF, Nance S, Letzen JE, Campbell CM. Experimenter- and Infrared Thermography-Derived Measures of Capsaicin-Induced Neurogenic Flare Among Non-Hispanic White and Black Adults. PAIN MEDICINE (MALDEN, MASS.) 2020; 21:2262-2270. [PMID: 32142151 PMCID: PMC7593802 DOI: 10.1093/pm/pnaa006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
OBJECTIVE Capsaicin is a widely utilized experimental pain stimulus; however, few studies have reported on ethnic differences in pain responses to capsaicin. The present study used infrared thermography to 1) measure differences in capsaicin-induced neurogenic flare between non-Hispanic black (NHB) and non-Hispanic white (NHW) adults and 2) determine the association between neurogenic flare and secondary hyperalgesia. METHODS Fifty-four participants (NHB N = 28) underwent heat/capsaicin sensitization model procedures. Neurogenic flare was examined using experimenter (i.e., subjective) and thermography (i.e., objective) measurements. A typically nonpainful mechanical punctate probe was used to measure secondary hyperalgesia. RESULTS Ethnic groups did not significantly differ in age, sex, marital status, or personal income. Although experimenters rated a significantly wider area of capsaicin-related neurogenic flare among NHW compared with NHB participants (F1, 52 = 8.33, P = 0.006), thermography results showed no differences between groups in neurogenic flares (F1, 52 = 0.01, P = 0.93). Further, although NHB individuals reported greater average pain during the capsaicin procedures compared with NHW individuals (NHB = 58.57 [3.67], NHW = 46.46 [3.81]; F2, 51 = 5.19, P = 0.03), the groups did not differ in secondary hyperalgesia (F2, 51 = 0.03, P = 0.86), and ethnicity did not moderate the association between neurogenic flare and secondary hyperalgesia (F3, 50 = 0.24, P = 0.87). CONCLUSIONS Findings cautiously support the use of infrared thermography over subjective experimenter report when measuring neurogenic inflammation in diverse samples. However, infrared thermography should not be used as a diagnostic tool for pain, given the lack of association between these factors. Future research is warranted to replicate these findings in a larger and more diverse sample to determine accurate neurogenic inflammation measures across other ethnic minority populations.
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Affiliation(s)
- Brook A Fulton
- Department of Psychiatry, Behavioral Medicine Research Lab, School of Medicine, Johns Hopkins University, Baltimore, Maryland, USA
| | - Emily F Burton
- Department of Psychiatry, Behavioral Medicine Research Lab, School of Medicine, Johns Hopkins University, Baltimore, Maryland, USA
| | - Sabrina Nance
- Department of Psychiatry, Behavioral Medicine Research Lab, School of Medicine, Johns Hopkins University, Baltimore, Maryland, USA
| | - Janelle E Letzen
- Department of Psychiatry, Behavioral Medicine Research Lab, School of Medicine, Johns Hopkins University, Baltimore, Maryland, USA
| | - Claudia M Campbell
- Department of Psychiatry, Behavioral Medicine Research Lab, School of Medicine, Johns Hopkins University, Baltimore, Maryland, USA
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