The phenotype of recovery XII: A reinforcer pathology perspective on associations between delay discounting and pain catastrophizing in substance use disorder recovery

BACKGROUND

Substance use disorder (SUD) and pain are highly comorbid conditions and several pain indices (e.g., pain intensity) are associated with an increased risk of relapse. However, the cognitive-emotional experience of pain (i.e., pain catastrophizing) is understudied in SUD recovery. Further, how the association between pain catastrophizing and delay discounting - a posited biomarker of addiction, impacts multidimensional aspects of SUD recovery, including remission and quality of life (QOL), has yet to be examined.

METHODS

Individuals (n = 170) in SUD recovery reporting pain were asked about their chronic pain status, completed the Brief Pain Inventory, the Pain Catastrophizing Scale, an Adjusting Amount Delay Discounting Task, and the World Health Organization QOL-BREF scale. Univariate logistic and linear regressions examined associations between delay discounting and several pain indices with remission and QOL. Mediation analyses were investigated whether pain catastrophizing mediates the relationship between delay discounting and 1) sustained remission and 2) QOL.

RESULTS

Significant negative associations were found between delay discounting (p < .001) and pain catastrophizing (p = .001) with sustained remission. Pain catastrophizing significantly mediated the relationship between delay discounting and physical QOL (p = .044), psychological QOL (p = .009), social (p = .018), and environmental QOL (p = .014). Pain catastrophizing did not mediate the relationship between DD and sustained remission.

CONCLUSION

Individuals with greater DD exhibited greater pain catastrophizing, contributing to poorer QOL in SUD recovery. Our findings support that a Reinforcer Pathology framework is useful to understanding the cognitive-emotional experience of pain within the context of SUD recovery. Interventions that target both delay discounting and maladaptive cognitive and emotional responses to pain may lessen the negative impact of pain on SUD recovery and improve SUD outcomes.

The Relationship Between Fatigue, Pain Interference, Pain-Related Distress, and Avoidance in Pediatric Hypermobile Ehlers-Danlos Syndrome

BACKGROUND/OBJECTIVES

Fatigue is a known predictor of disability and reduced quality of life in youth with hypermobility and chronic pain in general. Given the added relationship between chronic fatigue and connective tissue disorders, including hypermobile Ehlers-Danlos Syndrome (hEDS), this study aims to investigate the comparative role of fatigue on important predictors of outcomes for youth with and without hEDS who have chronic pain.

METHODS

In this retrospective study, pediatric patients with chronic pain diagnosed with hEDS (n = 100) were compared to an age- and sex-matched group of youth with chronic pain without diagnosed hypermobility (n = 100). Participants completed measures of pain-related distress (PCS-C), avoidance (FOPQ-A), and pediatric PROMIS measures for fatigue, anxiety, and pain interference. Data were analyzed using chi-square tests, t-tests, and ANCOVAs in RStudio.

RESULTS

Fatigue scores were higher and clinically elevated fatigue was more prevalent in those with hEDS than in matched chronic pain peers. Fatigue was significantly positively related to pain interference, avoidance, and pain-related distress in youth with and without hEDS.

CONCLUSIONS

The current study supports the need for multidisciplinary treatment and rehabilitation for pediatric chronic pain and hypermobility and suggests that fatigue may be an important factor to consider when treating youth with hypermobility.

Understanding the psychological factors linking pelvic pain and health-related quality of life in endometriosis: the influence of illness representations and coping strategies

BACKGROUND

Endometriosis is a prevalent chronic gynecological condition characterized by severe pelvic pain, negatively affecting women's health-related quality of life. The Common-Sense Model of Illness Self-regulation has revealed the importance of illness perceptions and coping strategies in explaining the impact of illness on across several conditions. These aspects have never been assessed in endometriosis.

OBJECTIVE

We aimed to explore the relationship between pelvic pain severity and health-related quality of life in women with endometriosis, hypothesizing that illness representations and pain-specific cognitive and behavioral maladaptive coping strategies influence this relationship.

STUDY DESIGN

This cross-sectional study analyzed data from 273 women with endometriosis who completed an online questionnaire assessing pelvic pain severity, illness perceptions, specific pain-related coping strategies, and health-related quality of life. A path analysis through MPlus was conducted to examine the direct and indirect relationships between variables.

RESULTS

The analysis showed that pelvic pain severity directly influenced illness representations and health-related quality of life. Threat illness perceptions, characterized by negative views of endometriosis, were associated with maladaptive coping strategies (ie, catastrophizing and illness-focused coping). These strategies further mediated the impact of illness perceptions on health-related quality of life, resulting in reduced health-related quality of life.

CONCLUSION

The findings support the Common-sense model of Illness Self-Regulation framework, suggesting the role of illness representations and coping strategies in the association between pelvic pain severity and health-related quality of life in women with endometriosis. Clinicians are encouraged to assess and address negative illness representations and maladaptive coping strategies in this population. Future research should focus on experimental interventions aimed at modifying illness perceptions and evaluating their effects on health outcomes.

The association between anxiety and depression symptoms and pain and function in adolescents and young adults with chronic pain: A meta-analysis

OBJECTIVE

Chronic pain in adolescents and young adults (AYAs) is associated with adverse functional and psychological outcomes; however, inconsistent findings across studies necessitate a comprehensive synthesis. This meta-analysis aimed to quantify associations between anxiety, depression, and pain/functional outcomes, and explore study and sample moderators, such as age, sex, pain duration, recruitment setting, and measurement tools.

METHODS

We searched MEDLINE, PsycINFO, CENTRAL, and Embase through May 2024. included 57 studies (N = 12,603) of AYAs aged 12-25 years with chronic pain. Risk of bias and GRADE assessments were conducted. Pearson r correlations were meta-analyzed using a random-effects model.

RESULTS

Small associations were found between anxiety, depression, and heightened pain intensity (r = 0.20, 0.24). Moderate-to-large associations were observed between anxiety, depression, and disability (r = 0.32, 0.34), pain interference (r = 0.47, 0.51), pain catastrophizing (both r = 0.50), and poorer quality of life (r = -0.56, -0.61). Anxiety had stronger correlations with pain intensity and catastrophizing in samples with more males. Anxiety measure moderated the anxiety-pain intensity relationship. Depression had stronger correlations with pain intensity for shorter pain duration, and catastrophizing and pain interference for longer pain durations. The depression-catastrophizing association was stronger in older samples.

CONCLUSION

Anxiety and depression significantly impact the chronic pain experience in AYAs, with stronger effects on functional outcomes and quality of life than pain intensity. Tailored interventions that consider age, sex, and pain duration may enhance treatment outcomes in this population.

A Systematic Review and Meta-Analysis of Conditioned Pain Modulation in Children and Young People with Chronic Pain

BACKGROUND/OBJECTIVES

Conditioned pain modulation (CPM) is a psychophysical experimental measure of the endogenous pain inhibitory pathway in humans, wherein one pain stimulus (the conditioning stimulus) is used to inhibit an individual's perception of a second painful (test) stimulus. Research provides evidence of impaired endogenous inhibitory pain responses in adults with chronic pain. CPM is now increasingly applied in paediatric research and clinical practice. The primary aim of this systematic review was to examine the efficacy of CPM in paediatric chronic pain populations (6-24-year-olds) compared to pain-free children and young people (CYP).

METHODS

The protocol was registered on PROSPERO (CRD42020221927). A systematic search of seven databases was conducted from database inception to 20th June 2024. Study inclusion criteria were as follows: (i) recruited a sample of CYP aged 6 to 24 (inclusive) with chronic pain or who were pain-free; and (ii) applied a CPM paradigm comprising both a painful test and conditioning stimuli that were sufficiently detailed to allow for replication,(iii) adhered to a study design of randomised control trial, case control or cohort study, including cross-sectional or longitudinal; (iv) available in the English language. Study exclusion criteria were: (i) The CPM paradigm used a non-painful test or conditioning stimulus only; and (ii) was only available as an abstract, letter, poster, editorial, case report, or review with or without meta-analyses. Risk of bias was assessed using the Appraisal Tool for Cross Sectional Studies (AXIS). Meta-analyses were conducted in Comprehensive Meta Analysis 3.0 using random effects models to compare the overall CPM responses in CYP with chronic pain conditions to healthy control CYP.

RESULTS

Thirty-two studies were eligible for inclusion, six of which were included in one or more meta-analysis (n = 407 chronic pain, n = 205 control). Meta-analysis revealed significantly weaker CPM responses in CYP with a variety of chronic pain conditions compared to healthy controls (standardized mean difference (SMD) = 0.352), and significantly weaker CPM responses in CYP with abdominal pain conditions compared to healthy controls (SMD = 0.685). No significant difference in CPM response was found between CYP with migraine and healthy controls (SMD = -0.201).

CONCLUSIONS

Variable results were found across individual studies, and the meta-analysis of the small number of eligible studies provides tentative evidence for impaired CPM in CYP with chronic pain compared to healthy controls. Further research is clearly needed. In particular, studies should present CPM results separately for different age groups, ethnic groups, and sexes, as these variables shape clinical pain responses.

The moderating effect of resting heart rate variability on the relationship between pain catastrophizing and depressed mood: an empirical study

Previous research indicated that pain catastrophizing-a negative emotional and cognitive response toward actual or anticipated pain-could contribute to pain intensity and could be associated with depressive symptoms not just in chronic pain patients but in healthy population as well. Accumulated evidence suggests that resting heart rate variability (HRV) as a putative proxy of emotion regulation could moderate the association of self-reported pain catastrophizing and depressed mood. In the present cross-sectional study, we investigated these associations in a healthy young adult sample controlling for the effect of trait rumination. Seventy-two participants (58 females, mean age = 22.2 ± 1.79 years ranging from 19 to 28 years old) completed the Pain Catastrophizing Scale, the Zung Self-Rating Depression Scale and the Ruminative Response Scale. Resting HRV was measured by time domain metric of HRV, the root mean square of successive differences (RMSSD). The results showed that the relationship between pain catastrophizing and depressive symptoms is significantly moderated by resting HRV (indexed by lnRMSSD). Specifically, in participants with higher resting HRV there was no significant relationship between the two investigated variables, while in participants with relatively low or medium HRV pain catastrophizing and depressed mood showed significant positive association. The relationship remained significant after controlling for sex, age and trait rumination. These results might indicate that measuring pain catastrophizing and depressive symptoms is warranted in non-clinical samples as well and higher resting HRV could have a buffer or protective role against depressive symptoms.

A systematic review of the biopsychosocial dimensions affected by chronic pain in children and adolescents: identifying reliable and valid pediatric multidimensional chronic pain assessment tools

Pediatric chronic pain is a complex experience that is often challenging to describe and measure. Multidimensional tools that evaluate the biopsychosocial impact of chronic pain in pediatric patients can help clinicians to prioritize and tailor interdisciplinary pain care; yet, the psychometric value and clinical utility of such tools has not yet been systematically studied in the literature. The purpose of this review was to identify multidimensional biopsychosocial tools used in pediatric chronic pain, synthesize their reliability and validity evidence, and draw on this evidence to describe the relationships between chronic pain and biopsychosocial domains. The search involved 2 phases to (1) identify eligible tools and (2) conduct a measured forward citation search of tool development articles. Tool eligibility was guided by the Multidimensional Biobehavioral Model of Pediatric Pain and study eligibility was focused on primary chronic pain diagnoses unrelated to disease. Data extraction was focused on reliability and validity evidence of eligible tools, guided by the Standards for Educational and Psychological Testing. Results yielded 6 tools that included 64 eligible studies, highlighting 84 significant relationships between pain and functional interference across 11 biopsychosocial variables. All tools were shown to have good internal consistency and evidence of validity, primarily through relationships to other variables. Of the 6 tools, the most brief and easy to use were the most under studied. Further psychometric research is warranted for these tools to investigate their clinical utility and psychometric properties in guiding and prioritizing pain care for children and adolescents.

Validation of the Spanish version of the Pain Catastrophizing Scale for Children (PCS-C)

INTRODUCTION

Pain catastrophizing is a powerful factor that can affect health care outcomes as well as emotional and physical well-being. The Pain Catastrophizing Scale for Children (PCS-C) is widely used, but it is not validated in Spanish. The aim of the study was to translate the PCS-C to Spanish and assess the validity and reliability of the translated version.

PATIENTS AND METHODS

This study was carried out in two phases: (a) instrument translation (via a translation-back-translation process) and (b) psychometric analysis (construct validity: exploratory and confirmatory factor analysis, internal consistency, floor and ceiling effects and convergent validity). It had a cross-sectional design and was conducted on a sample of children aged 8-18 years was selected by convenience in a paediatric hospital. The study followed the STARD checklist.

RESULTS

The sample included 150 children and adolescents (mean age, 12.45 years; 63.8% male) and their parents. The exploratory and the confirmatory analysis showed a good adjustment of the model to the original 3-model structure with 13 items. The internal consistency of the scale was excellent (Cronbach α, 0.904), and no floor or ceiling effects were detected. In the convergent validity analysis, the Spanish version of the PCS-C showed a moderate correlation with pain interference (r=0.400) and with health-related quality of life (r=0.217-0.303).

CONCLUSIONS

These results show that the Spanish version of the PCS-C is a valid and reliable scale to assess pain catastrophizing in children and adolescents.

Virtual psychoeducation for improvement of pain catastrophizing in pediatric presurgical patients and caregivers: a proof-of-concept study

PURPOSE

Pain catastrophizing (PC) is the tendency to magnify the threat value of pain sensations and is associated with greater postsurgical pain intensity, functional disability, and pain chronicity. Higher parental PC predicts higher chronic postsurgical pain in youth. Treating PC in caregivers and youth prior to surgery may improve recovery and surgical outcomes. We developed and evaluated a psychoeducational workshop addressing PC for presurgical youth and their parents/caregivers. We hypothesized that parent/caregiver and youth PC scores would decrease over time. We also explored preintervention levels of youth anxiety and depression as moderators of outcome.

METHODS

Youth (n = 43) and caregivers (n = 41) attended a virtual, group-based single-session intervention (SSI). Single-session intervention content addressed pain neuroscience, PC, and adaptive coping strategies for managing pain and PC drawn from cognitive-behavioural, acceptance and commitment, and dialectical behaviour therapy approaches. Participants completed questionnaires assessing PC at preintervention, postintervention, and two weeks postsurgery. Youth mood and anxiety were assessed at preintervention.

RESULTS

Caregiver PC scores decreased from pre- to postintervention (P = 0.006), and this was maintained at postsurgery (P = 0.002). Youth PC scores decreased from preintervention to postsurgery, but only for those with higher preintervention anxiety (P = 0.01).

CONCLUSION

Our results provide proof-of-concept support for a virtual SSI targeting caregivers and youth PC during the perioperative period. The present findings highlight the possible need to screen presurgical candidates for symptoms of anxiety. Replication with larger and more diverse samples, and a more robust design are warranted.

Pain Control Beliefs Predict Premature Withdrawal From the Labor Market in Workers With Persistent Pain: Prospective Cohort Study With 11-Year Register Follow-up

While a range of work-related psychosocial factors has been associated with various pain disorders and early retirement, less is known about pain cognitions and their influence on premature exit from the labor market. Therefore, as a primary objective, this study investigates associations between pain control beliefs and risk of disability pension among Danish eldercare workers. In 2005, 2257 female eldercare workers with low-back and/or neck/shoulder pain>90 days within the previous 12 months, replied to a survey and were followed for 11 years in a national register of social transfer payments. Using Cox regression, we estimated the risk of disability pension during follow-up from experiencing different levels of "pain control" and "pain influence," controlling for pain intensity and other relevant confounders. In the fully adjusted model for pain control with "high" as reference, hazard ratios of 1.30 (95% CI 1.03-1.64) and 2.09 (95% CI 1.45-3.01) are observed for "moderate" and "low," respectively, while the metric of pain influence shows hazard ratios of 1.43 (95% CI 1.11-1.87) and 2.10 (1.53-2.89), respectively. Pain control beliefs are associated with disability pension among eldercare workers with persistent pain. These results highlight the importance of evaluating not only bodily manifestations of pain, but also individual pain-related cognitions that may influence the experience of pain. PERSPECTIVE: This article addresses the complex experience of pain within an organizational context. We introduce the metrics of "pain control" and "pain influence" among workers with persistent pain, showing that the psychometric properties of these measures are prospectively associated with premature exit from the labor market.

Dosage matters: Uncovering the optimal duration of pain neuroscience education to improve psychosocial variables in chronic musculoskeletal pain. A systematic review and meta-analysis with moderator analysis

The aim was to examine the moderator effect of duration of PNE (total minutes) on changes in psychosocial variables after treatment in people with chronic musculoskeletal pain. PubMed/MEDLINE, Embase, Web of Science, Scopus and CINHAL databases were systematically searched from inception to 6 February 2023. A mixed-effects meta-regression was performed to determine the moderator effect of PNE duration. Twenty-three studies involving 2352 patients were included. Meta-analysis revealed a statistically significant effect in favour of PNE on pain neurophysiology knowledge, anxiety symptoms, catastrophizing and kinesiophobia. The total duration of PNE ranged from 40 to 720 min. A linear relationship was observed between longer duration of PNE (total minutes) and changes of psychosocial variables. In addition, a dose of 100, 200 and 400 min of PNE was estimated to exceed the minimum clinically important difference described in the literature for kinesiophobia (mean difference = -8.53 points), anxiety symptoms (mean difference = -1.88 points) and catastrophizing (mean difference = -7.17 points). Clinicians should provide a more tailored PNE to address psychosocial variables.

The influence of child pain catastrophizing and parent behavior on health-related quality of life in pediatric sickle cell disease

BACKGROUND

Literature suggests that a child's appraisal of pain and parent responses to pain are critical in predicting health-related outcomes. In youth with sickle cell disease (SCD), few investigations have examined child pain catastrophizing, and even fewer have examined the role that parents play in responding to SCD pain within the family context. The purpose of the current study was to examine the relationship between pain catastrophizing, parent response to child SCD pain, and health-related quality of life (HRQoL).

PROCEDURE

The sample (N = 100) included youth with SCD (ages 8-18) and their parent. Parents completed a demographic questionnaire and the Adult Responses to Child Pain Symptoms; youth completed the Pain Catastrophizing Scale and Pediatric Quality of Life Inventory-SCD Module.

RESULTS

Findings indicated that pain catastrophizing, parent minimization, and parent encouragement/monitoring significantly predicted HRQoL. Minimizing and encouragement/monitoring parent responses moderated the relationship between pain catastrophizing and HRQoL, such that parent minimizing weakened the relationship and parent encouragement/monitoring strengthened the relationship.

CONCLUSIONS

Paralleling pediatric chronic pain literature, findings suggest that pain catastrophizing predicts HRQoL in youth with SCD. However, findings from moderation analyses diverge from the chronic pain literature; data suggest that encouragement/monitoring responses strengthen the negative relationship between child pain catastrophizing and HRQoL. Child pain catastrophizing and parent response to SCD pain may be appropriate targets for clinical intervention to improve HRQoL. Future studies should strive to better understand parent responses to SCD pain.

Baseline Factors Associated with Pain Intensity, Pain Catastrophizing, and Pain Interference in Intensive Interdisciplinary Pain Treatment for Youth

Background: More could be known about baseline factors related to desirable Intensive Interdisciplinary Pain Treatment (IIPT) outcomes. This study examined how baseline characteristics (age, gender, child pain catastrophizing (PCS-C), pain interference, pain intensity, anxiety, depression, paediatric health-related quality of life (PedsQLTM), and parent catastrophizing (PCS-P)) were associated with discharge and 3-month follow-up scores of PCS-C, pain intensity, and pain interference. Methods: PCS-C, pain intensity, and pain interference T-scores were acquired in 45 IIPT patients aged 12-18 at intake (baseline), discharge, and 3-month follow-up. Using available and imputed data, linear mixed models were developed to explore associations between PCS-C, pain intensity, and pain interference aggregated scores at discharge and follow-up with baseline demographics and a priori selected baseline measures of pain, depression, anxiety, and PCS-C/P. Results: PCS-C and pain interference scores decreased over time compared to baseline. Pain intensity did not change significantly. Baseline PCS-C, pain interference, anxiety, depression, and PedsQLTM were associated with discharge/follow-up PCS-C (available and imputed data) and pain interference scores (available data). Only baseline pain intensity was significantly associated with itself at discharge/follow-up. Conclusions: Participants who completed the IIPT program presented with reduced PCS-C and pain interference over time. Interventions that target pre-treatment anxiety and depression may optimize IIPT outcomes.

A dyadic analysis of parent and child pain catastrophizing and health-related quality of life in pediatric sickle cell disease

ABSTRACT

The purpose of this study was to examine the dyadic and individual level effects of parent and child pain catastrophizing on child health-related quality of life (HRQOL) in pediatric sickle cell disease. Questionnaires assessing child pain frequency, child and parent pain catastrophizing, and child HRQOL were completed by youth and their primary caregiver. A Common Fate Model was estimated to test the dyadic level relationship between parent and child pain catastrophizing and child HRQOL. An Actor-Partner-Common Fate Model hybrid was estimated to test the relationship between child HRQOL and individual-level child pain catastrophizing and parent pain catastrophizing, respectively. In each model, child HRQOL was modelled as a dyadic variable by factoring parent and child ratings. Patients (N = 100, M age = 13.5 years, 61% female) and their caregivers (M age = 41.8 years, 86% mothers) participated. Dyad-level pain catastrophizing was negatively associated with child HRQOL, demonstrating a large effect (β = -0.809). Individual-level parent and child pain catastrophizing were each uniquely negatively associated with child HRQOL, demonstrating small to medium effects (β = -0.309, β = -0.270). Individual level effects were net of same-rater bias, which was significant for both parents and children. Both the unique and the overlapping aspects of parent and child pain catastrophizing are significant contributors to associations with child HRQOL, such that higher levels of pain catastrophizing are associated with worse child HRQOL. Findings suggest the need for multipronged intervention targeting factors common to parent-child dyads and factors unique to parents and children, respectively.

Cross-cultural adaptation and psychometric properties of Spanish Child Pain Anxiety Symptoms Scale

INTRODUCTION

Pain anxiety is a psychological component that can regulate and modulate the experience of pain in children and adolescents. It can also have an impact on the outcomes of surgical procedures, chronic pain management and psychological interventions. The aim of our study was to translate the Child Pain Anxiety Symptoms Scale (CPASS) into Spanish and assess the psychometric properties of the Spanish version.

PATIENTS AND METHODS

First, the CPASS was translated according to international guidelines. Secondly, to assess the psychometric properties of the translated version, we conducted an analysis in a paediatric sample. A total of 160 children, 49.37% female, with a mean age of 14.5 years (SD, 2.3; range, 8-18 years) completed pain catastrophising, health-related quality of life, pain interference and pain intensity scales. We assessed the following psychometric properties: construct validity (exploratory and confirmatory factor analysis), internal consistency, floor and ceiling effects and convergent validity (correlation of CPASS to the other completed questionnaires completed and with objective aspects of the health history).

RESULTS

In the exploratory factor analysis, the final 18-item version (having excluded items 18 and 19) of the CPASS was the best fit, with all items included in the hypothetical construct and exhibiting optimal factor loadings. The confirmatory factor analysis showed that the final 18-item, 4-factor model was adequate for the scale structure. We did not detect any floor or ceiling effects in the final version. Lastly, the results confirmed that the Spanish version has good internal consistency (Cronbach  α, 0.88) and an adequate convergent validity.

CONCLUSION

The Spanish CPASS exhibits good psychometric proprieties and it can be used to assess pain anxiety in the paediatric population.

Chronic Pain in Children: Interdisciplinary Management

Chronic pain in children is a relatively prevalent cause of functional disability. Contributing factors to this pain are best viewed through the biopsychosocial model. Although evidence is lacking for individual aspects of treatment, interdisciplinary care is considered the best treatment approach for children with chronic pain. Interdisciplinary care can include medication management with daily and as-needed medications, physical and occupational therapy focusing on function and movement, and psychological treatment with cognitive-behavioral therapy and acceptance focused treatment. In children with severe pain and disability, intensive interdisciplinary pain treatment may be needed to improve pain and function.

Assessing pain catastrophizing and functional disability in pediatric epidermolysis bullosa patients

BACKGROUND/OBJECTIVES

The primary objective was to assess pain catastrophizing and functional disability in pediatric patients with epidermolysis bullosa (EB) and their parents/guardians. Secondary objectives included examining relationships between pain catastrophizing, functional disability, and correlations with other factors (e.g., age, disease severity, and percent of body surface area (BSA) involved).

METHODS

Patients with EB ages 8-16 and their parents/guardians who were English or Spanish speaking completed a one-time online survey. Parent measures included: demographics questionnaire, Pain Catastrophizing Scale-Parent (PCS), and Parent Functional Disability Inventory (FDI). Child measures included: PCS child and child FDI. Higher scores on both scales indicate higher levels of catastrophizing and functional disability.

RESULTS

Of 31 children, the mean age was 11.47 years and the majority (70.97%) had dystrophic EB. Mean scores were: 35.84 = PCS parent; 34.58 = PCS child; 30.87 = parent FDI; 29.77 = child FDI. Total scores for PCS parent, parent FDI, and child FDI increased significantly with disease severity and percentage of involved BSA (p < .01 for all). Total scores for PCS child increased significantly with percent of EB skin involvement (p = .04) but not disease severity. Older children reported more functional disability than their parents and younger children (p = .02).

CONCLUSIONS

Our results demonstrate significant positive correlations between negative thoughts related to pain and the experience of functional difficulties in patients with EB and their caregivers. Psychological, psychiatric, and/or behavioral interventions to help managing chronic pain may be effective for patients with EB.

Comparing the effects of medical cannabis for chronic pain patients with and without co-morbid anxiety: A cohort study

INTRODUCTION

There is growing evidence on the efficacy of cannabis-based medicinal products (CBMPs) for chronic pain (CP). Due to the interaction between CP and anxiety, and the potential impact of CBMPs on both anxiety and CP, this article aimed to compare the outcomes of CP patients with and without co-morbid anxiety following CBMP treatment.

METHODS

Participants were prospectively enrolled and categorized by baseline General Anxiety Disorder-7(GAD-7) scores, into 'no anxiety'(GAD-7 < 5) and 'anxiety'(GAD-7 ≥ 5) cohorts. Primary outcomes were changes in Brief Pain Inventory Short-Form, Short-form McGill Pain Questionnaire-2, Pain Visual Analogue Scale, Sleep Quality Scale (SQS), GAD-7 and EQ-5D-5L index values at 1, 3 and 6 months.

RESULTS

1254 patients (anxiety = 711; no anxiety = 543) met inclusion criteria. Significant improvements in all primary outcomes were observed at all timepoints (p < 0.050), except GAD-7 in the no anxiety group(p > 0.050). The anxiety cohort reported greater improvements in EQ-5D-5L index values, SQS and GAD-7(p < 0.050), but there were no consistent differences in pain outcomes.

CONCLUSION

A potential association between CBMPs and improvements in pain and health-related quality of life (HRQoL) in CP patients was identified. Those with co-morbid anxiety reported greater improvements in HRQoL.

Relationships Between Abdominal Pain, Mental Health, and Functional Disability in Youth With Inflammatory Bowel Diseases: Pain Catastrophizing as a Longitudinal Mediator

OBJECTIVES

Abdominal pain can be a debilitating symptom for youth with inflammatory bowel diseases (IBDs). Across various pediatric conditions, pain predicts adverse physical and mental health outcomes. Understanding mechanisms by which pain impacts outcomes is of critical importance to enhance the well-being of those with IBDs. Pain catastrophizing mediates the aforementioned relationships in other pediatric populations, but little research has examined its role in pediatric IBDs. Attention to the role of pain catastrophizing as a potential mediator in pediatric IBD is the important given unique elements of the pain experience for this population. This study aimed to examine pain catastrophizing as a potential mediator of the relationship between abdominal pain and adverse outcomes in youth with IBDs.

METHODS

Seventy six youth (ages 11 to 18; M [SD] age=14.71 [1.80]) with IBD completed the Abdominal Pain Index (T1), Pain Catastrophizing Scale (T2, week 12), Revised Children's Anxiety and Depression Scale (T3, week 20), and Functional Disability Inventory (T3, week 20).

RESULTS

Catastrophizing mediated the relationship between abdominal pain and both anxiety symptoms ( b =1.61, Bias-Corrected Accelerated [BCa] CI, 0.25, 4.62) and functional disability ( b =0.77, BCa CI, 0.15, 2.38). A direct effect of abdominal pain on low mood was also noted ( b =1.17, BCa CI, 0.03, 2.50). Post hoc analyses examining mediation via catastrophizing subscales indicated that while magnification and rumination functioned as mediators, helplessness did not.

DISCUSSION

Findings are consistent with fear avoidance models and suggest that interventions directed at pain catastrophizing may be worthwhile in pediatric IBD populations, given catastrophizing-mediated relationships between pain and mental and physical health outcomes.

Pain Catastrophizing and Functional Disability in Youth with Chronic Pain: An Examination of Indirect Effects

Pediatric pain conditions are not uncommon and may lead to functional disability. The purpose of this study is to examine indirect effects of pain catastrophizing on functional disability through anxiety, depression, and pain in youth with chronic pain. Participants included 197 youth (144 females, Mage = 14.67 years) with chronic pain conditions. Youth completed self-report measures of pain catastrophizing, depression, anxiety, pain intensity, and functional disability. Caregivers also completed a measure of youth functional disability. Using a cross-sectional design, a multiple mediator model was estimated with pain catastrophizing as the predictor, functional disability as the outcome, and depression, anxiety, and pain intensity as mediators. Results supported a mediation model in which depression (B = 0.1145, SE = 0.0528, Z = 2.1686; B = 0.1512, SE = 0.0585, Z = 2.5846) and pain intensity (B = 0.1015, SE = 0.0422, Z = 2.4052; B = 0.0634, SE = 0.0343, Z = 1.8484) significantly mediated the effects of catastrophizing on child self-report and parent-report functional disability, respectively, while anxiety (B = - 0.0260, SE = 0.0439501, Z = - 0.5923; B = - 0.0637, SE = 0.0552, Z = - 1.1540) did not. Theoretical and clinical applications are discussed.

Comorbidities of bladder pain syndrome in the context of the HITOP distress category: a systematic review and meta-analysis

INTRODUCTION AND HYPOTHESIS

The aim of this systematic review and meta-analysis is, looking at different care settings, to examine prevalence rates of psychological distress-level comorbidities in female interstitial cystitis/bladder pain syndrome (IC/BPS) patients, their impact on Quality of Life (QoL), and the correlation between such comorbidities and symptom severity.

METHODS

A systematic literature search according to PRISMA guidelines was conducted in PubMed, PsycInfo, Web of Science, Science Direct, and Google Scholar.

RESULTS

Twenty-nine studies were found that met inclusion criteria. Prevalence rates of depression and anxiety are higher in IC/BPS patients compared to the general population; however, due to a wide array of measurements, statistical comparisons between care settings were only possible in two cases showing mixed results. No studies meeting inclusion criteria exist that examine PTSD and borderline personality disorder, though rates of past traumatic experiences seem to be higher in patients than in healthy controls. Psychological comorbidities of the distress category, especially depression, are found in most studies to be related to symptom severity, also yielding statistically significant associations.

CONCLUSIONS

While there is still need for studies focused on some of the comorbidities as well as on different care settings, the data already show that psychological comorbidities of the distress category play an important role in IC/BPS patients regarding suffering, QoL, and symptom severity, thus emphasizing the need for highly specialized interdisciplinary treatment.

The distinct longitudinal impact of pain catastrophizing on pain interference among youth living with sickle cell disease and chronic pain

Youth living with chronic sickle cell disease (SCD) pain are at risk for psychosocial distress and high levels of pain catastrophizing that contribute to functional impairment. This study aimed to identify the unique long-term impact of pain catastrophizing on pain impairment among youth with SCD. Youth with chronic SCD pain (N = 63, 10-18 years old, 58.3% female, 95.1% Black or African American) were recruited within comprehensive SCD clinics and completed a battery of measures at baseline and 4-months follow-up. A linear hierarchical regression examined baseline demographic and clinical characteristics (child SCD genotype, age, and average pain intensity), psychosocial functioning (anxiety, depression), and pain catastrophizing as predictors of pain interference at 4-months follow-up. Pain catastrophizing was the only unique predictor of pain interference at 4-months follow-up. Among youth with chronic SCD pain, pain catastrophizing warrants greater consideration as an important predictor that influences pain management and overall functioning.

Testing a Combined Cognitive Bias Hypothesis of Pain and Pain-related Worry in Young People

Cognitive factors are thought to contribute and maintain pain experiences in young people. However, most of these factors have been assessed in isolation. Considering more than 1 cognitive factor could increase explanatory power and identify multiple targets for intervention. Here, we tested a Combined Cognitive Bias Hypothesis (CCBH) that suggests information-processing factors associate with each other and exert either additive and/or interactive influences on pain outcomes. We conducted secondary analysis of data from 243 adolescents aged 16 to 19 years, who had completed a task measuring pain-related attention control impairments (emotion-priming visual search task) and a task measuring biased interpretations towards threatening cues (Adolescent Interpretation of Bodily Threat task). These young people also completed measures of recent pain experiences and pain catastrophizing, which served as primary and secondary outcomes, respectively. Regression analyses revealed that difficulties with attention control (following presentation of pain-related stimuli) and tendencies to endorse threatening interpretations of ambiguous situations had significant additive effects on both pain outcomes. However, correlations between these factors were non-significant. They also did not interact to influence pain outcomes. These findings require replication in broader age ranges and clinical samples but potentially suggest that, measuring multiple cognitive factors increases explanatory power of youth pain outcomes. PERSPECTIVE: Weak attention control following exposure to pain cues and tendencies to endorse threat interpretations, uniquely and additively associate with self-reported pain experiences and pain catastrophizing in community youth. Measuring several cognitive factors simultaneously could improve our ability to explain pain outcomes in adolescent populations.

Establishing the Content Validity of a Modified Bank of School Anxiety Inventory Items for Use Among Adolescents With Chronic Pain

OBJECTIVE

School anxiety is a prevalent mental health concern that drives school-related disability among youth with chronic pain. The only available measure of school anxiety-the School Anxiety Inventory, Short Version (SAI-SV)-lacks content specificity for measuring school anxiety in pediatric pain populations. We aimed to refine the SAI-SV by obtaining qualitative data about unique school situations that are anxiety-provoking for youth with pain and characterizing the nature of symptoms experienced in these situations.

METHODS

Adolescents with chronic pain (n = 16) completed a semistructured interview focused on experiences with anxiety in school-related academic and social contexts. We employed thematic analysis to extend the empirical understanding of school anxiety from the perspective of patients suffering from pain and to generate new item content. The content was refined with iterative feedback from a separate group of adolescents with chronic pain (n = 5) and a team of expert pain psychologists (n = 3).

RESULTS

We identified six themes within the data and generated new items designed to capture anxiety related to negative interactions with teachers and peers, falling behind with schoolwork, and struggles with concentration and fatigue. Participants and experts rated new item content as highly relevant for use among youth with pain. The updated item bank was named the School Anxiety Inventory for Chronic Pain.

CONCLUSIONS

Future research is needed to complete the psychometric evaluation of the item bank and finalize items to be included in a measure that can be used in research and clinical settings. Implications for treating school-related anxiety among youth with pain are also discussed.

Impact of sex, sleep, symptoms of central sensitization and psychosocial factors in adolescents with chronic musculoskeletal pain-an exploratory study

OBJECTIVE

This study aimed to explore and compare the association between psychosocial factors, sleep, central sensitization, and chronic neck, back, limbs, and multiregional pain and disability.

METHODS

1730 adolescents responded to an online questionnaire containing: sociodemographic data, Nordic Musculoskeletal Questionnaire, International Physical Activity Questionnaire, Functional Disability Inventory, Depression, Anxiety and Stress Scale, Basic Scale on Insomnia Complaints and Quality of Sleep, Pain Catastrophizing Scale, Tampa Scale of Kinesiophobia, Child Self-Efficacy Scale and Central Sensitization Inventory. Univariable and multivariable regression analysis was used to assess the associations between these variables and pain and disability.

RESULTS

Groups were categorized into neck (n = 54), back (n = 80), upper limb (n = 52), lower limb (n = 109) and multiregional (n = 1140) pain. Multivariable analysis showed that symptoms of central sensitization increased odds of neck, back, and multiregional pain; depression, anxiety and stress, and physical activity increased odds of multiregional pain; and fear of movement increased odds of lower limb pain. Female gender increased the odds of pain in all groups, except in the lower limb group. Depression, anxiety, and stress also remained associated with disability in neck, back, upper limb, and multiregional pain; poorer sleep remained associated with disability in neck, upper limb, and multiregional pain; catastrophizing remained associated with back, and multiregional pain; and fear of movement and symptoms of central sensitization were only associated with disability in multiregional pain.

CONCLUSIONS

There are similar but also different variables associated with the presence of pain and disability in the neck, back, limbs, and multiregional pain.

The Pediatric Pain Screening Tool (PPST) can Rapidly Identify Elevated Pain and Psychosocial Symptomatology in Treatment-Seeking Youth with Acute Musculoskeletal Pain

This cross-sectional study examines the utility of the Pediatric Pain Screening Tool (PPST) for rapidly assessing pain and psychosocial symptomatology in treatment-seeking youth with acute musculoskeletal pain. Participants were 166 youth (10-18 years, 53.6% female) participating in one of two larger cohort studies of youth with acute musculoskeletal pain. Youth completed the PPST and measures of pain, pain-related fear, pain catastrophizing, pain-related disability, and sleep quality. Participants were categorized into PPST risk groups using published cut-offs. ANOVA and chi-square examined associations between PPST risk groups and self-report measures; receiver operating characteristic (ROC) analyses examined associations among PPST scores and clinical reference cut-offs. The PPST classified 28.3% of youth as high, 23.5% as moderate, and 48.2% as low-risk. Females were more likely to be high-risk. ANOVAs revealed differences in clinical factors by PPST risk group particularly differences among youth labeled high versus low-risk. ROC analyses showed the PPST is effective in discriminating "cases" versus "non-cases" on pain-related disability, pain-fear and catastrophizing. Results reveal the PPST is effective for rapidly screening youth with acute pain for pain and psychosocial symptomatology. An important next step will be to examine the validity of the PPST in predicting recovery outcomes of acute pain samples. PERSPECTIVE: This article presents the Pediatric Pain Screening Tool (PPST) as a measure for rapidly screening youth with acute pain for pain and psychosocial symptomatology. The tool categorizes youth into low, moderate or high-risk groups and discriminates among those with versus without clinically significant levels of disability, pain-related fear and catastrophizing.

Clinical Utility of CAT Administered PROMIS Measures to Track Change for Pediatric Chronic Pain

Patient Reported Outcomes (PROs) are utilized in clinical registries and trials, necessitating development of benchmarks to enhance interpretability. This study aimed to 1) examine if PROMIS measures administered via computer adaptive testing (CAT) were responsive to change, and 2) highlight one method of assessing clinically significant change for youth seen in a tertiary pain clinic. Clinically significant change was achieved if patients had significantly reliable pre-to-post-changes greater than Reliable Change Index (RCI) value and reported decreased symptoms by at least one severity level (e.g., moderate to mild). Participants were 328 youth (8-17 years old) seen in a tertiary pediatric pain management clinic. Small to moderate effect sizes were noted across PROMIS measures (except Peer Relations). Reliable magnitudes of change were estimated for this sample as approximately 6 point reduction for Pain Interference and Mobility, 9 for Fatigue, and 11 for Anxiety and Depression. Depending on the measure, 10 to 24% were categorized as improved, 3 to 6% as deteriorated, and 68 to 81% were either not clinically elevated at baseline or remained unchanged at 3 months. Overall, PROMIS CAT measures demonstrated responsiveness to change over time. Estimation of clinically significant change offers preliminary yet rigorous benchmarks for evaluating treatment response and sets the stage for understanding treatment effects. PERSPECTIVE: This study assesses responsiveness of CAT administered PROMIS measures and highlights one methodological approach of presenting clinical significance for assessing treatment outcomes in pediatric chronic pain. These benchmarks will allow clinicians and researchers to evaluate treatment response utilizing PROs while allowing for a deeper understanding of treatment effects.

The associations between sleep disturbance, psychological dysfunction, pain intensity, and pain interference in children with chronic pain

OBJECTIVES

This study aimed to better understand the associations between both sleep disturbance and psychological dysfunction (i.e., anxiety and depressive symptoms, and anger), and pain intensity and pain interference, in a sample of children with chronic pain.

DESIGN

Cross-sectional design.

METHODS

Three hundred and forty-two children with chronic pain (8-18 years) completed measures assessing pain intensity, pain interference, sleep disturbance, anxiety, depressive symptoms, and anger. Regression analyses examined the direct, interaction (with sex), and mediation effects of sleep quality and psychological dysfunction on pain intensity and interference.

RESULTS

Sleep disturbance was significantly associated with both pain intensity and pain interference. However, measures of psychological dysfunction were associated significantly only with pain interference. Sex did not moderate these associations. The measures of psychological dysfunction mediated the associations between sleep disturbance and pain interference, but not those between sleep disturbance and pain intensity.

CONCLUSIONS

The results confirmed significant cross-sectional associations between both sleep disturbance and psychological dysfunction and pain outcomes in children with chronic pain. Future research to test for causal associations is warranted.

A bifactor structural model of the Hungarian Pain Catastrophizing Scale and latent classes of a clinical sample

Pain catastrophizing is an exaggerated cognitive-affective response to actual or anticipated pain, usually measured by the Pain Catastrophizing Scale (PCS). Our study aimed to test the bifactor measurement model of the Hungarian PCS and to identify a catastrophizing risk group with a clinically meaningful cut-off score.

The data of 404 chronic spine-related (neck, back and low-back) pain patients (mean age: 58.61 (SD = 14.34)) were used in our cross-sectional study. Besides pain-related and demographic data, pain catastrophizing and depressive symptoms were measured with questionnaires. Confirmatory factor analyses confirmed that the bifactor model outperformed the other tested measurement models, and the general catastrophizing factor was responsible for 81.5% of the explained variance. Using latent class analysis, we found that even moderately elevated pain catastrophizing score was related to more depressive symptoms and higher perceived pain intensity, and 22 score could be used as a cut-off score. Our results support the concept of global pain catastrophizing and the validity of the Hungarian PCS. Further studies are needed to evaluate the bifactor structure of this scale and the predictive value of the proposed cut-off score.

Predictors of pain persistence and disability in high-school students with chronic neck pain at 6-month follow-up

BACKGROUND

Neck pain tends to persist for periods of 1 to 4 years of follow-up in adolescents, and a high percentage of them report disability. However, studies assessing the factors associated with persistent neck pain and disability in this age group are scarce. This study aimed to explore the association between psychosocial factors, sleep, and symptoms of central sensitization at baseline and the persistence of neck pain and disability at 6-month follow-up.

METHODS

A total of 710 adolescents with chronic neck pain were assessed at baseline with an online questionnaire that collected information on sociodemographic data, presence of musculoskeletal pain, pain intensity, physical activity, functional disability, depression, anxiety, stress, quality of sleep, catastrophizing, kinesiophobia, self-efficacy, and symptoms of central sensitization. At 6-month follow-up, adolescents were reassessed for disability and pain intensity and categorized as recovered or reporting persistent neck pain.

RESULTS

Of the 710 participants with neck pain at baseline, 334 were classified as having persistent neck pain and 375 adolescents as being recovered at 6-month follow-up. Multivariable analysis showed that female gender (OR 1.47; p = 0.04) and symptoms of central sensitization (OR 1.02; p = 0.001) at baseline were positively associated with the persistence of neck pain at 6-month follow-up. Similarly, higher levels of disability (β = 0.41; p < 0.001) and symptoms of central sensitization (β = 0.28; p < 0.001) at the baseline were positively associated with disability.

CONCLUSIONS

Symptoms of central sensitization and disability at baseline should be considered in the assessment and design of interventions for adolescents with chronic neck pain as an attempt to minimize its future impact on pain persistence and disability.

Battle of the Appraisals: Pain-Related Injustice Versus Catastrophizing as Mediators in the Relationship Between Pain Intensity and 3-Month Outcomes in Adolescents with Chronic Pain

Pain appraisals are closely tied to pain and functional outcomes. Pain-related injustice and pain catastrophizing appraisals have both been identified as important cognitive-emotional factors in the pain experience of youth. Although pain-related injustice and catastrophizing have been linked to worse pain outcomes - as primary predictors and intermediary variables - little is known about whether they operate as independent or parallel mediators of the relationship between pain and functioning in youth. We tested pain-related injustice and catastrophizing appraisals as candidate mediators of the relationship between baseline pain intensity and 3-month functional outcomes in adolescents. Youth with chronic pain (N = 89, 76% female, 89% White, average age = 15 years) completed measures assessing pain intensity, pain-related injustice, and catastrophizing at baseline, as well as measures assessing functional disability and overall quality of life 3 months later. Multiple mediation analyses indicated that injustice mediated the relationship between pain intensity and 3 month quality of life. Exploratory analyses of specific quality of life domains indicated that injustice mediated the relationship between pain intensity and 3 month emotional functioning, whereas catastrophizing mediated the relationship between pain intensity and 3 month social functioning. The findings suggest these pain-related appraisals play different intermediary roles in the relationships among pain and future psychosocial outcomes. PERSPECTIVE: Pain-related injustice and catastrophizing appraisals play different intermediary roles in the relationships among pain and future psychosocial outcomes in youth with chronic pain. Treatments targeting pain-related injustice appraisals in pediatric populations are needed to complement existing treatments for catastrophizing.

"Why Isn't It Going Away?": A Qualitative Exploration of Worry and Pain Experiences in Adolescents with Chronic Pain

INTRODUCTION

The role of cognition is central to the fear avoidance (FA) model of chronic pain (CP), which emphasizes the importance of catastrophic pain interpretations and has been shown to be applicable to pediatric CP populations. However, while we know that pain catastrophizing plays a distinct role in influencing outcomes for children with CP, we know little about the specifics of how young people with CP experience catastrophizing and worry, as well as their general pain beliefs.

OBJECTIVE

To qualitatively explore beliefs about and experiences of worry and pain among a purposeful sample of adolescents with CP.

METHODS

Individual semistructured interviews with 12 adolescents (aged 12-17) with varying forms of CP attending an outpatient pain clinic in a general children's hospital. Relevant psychometric measures were administered orally to further inform the data. Data were analyzed using critical realist thematic analysis.

RESULTS

Three themes and one subtheme were identified. Themes were 1) the worry ripple: mind, body, and behavior (subtheme: worry content: personal competence and health); 2) the pain mystery: living in a "scribble of black"; and 3) the resist or avoid conundrum.

CONCLUSIONS

The findings highlight the need for psychological interventions targeting acceptance of uncertainty and also informing education on mind/body connections in adolescents with CP.

A longitudinal examination of the interpersonal fear avoidance model of pain: the role of intolerance of uncertainty

Youth with chronic pain and their parents face uncertainty regarding their diagnosis, treatment, and prognosis. Given the uncertain nature of chronic pain and high comorbidity of anxiety among youth, intolerance of uncertainty (IU) may be critical to the experience of pediatric chronic pain. This study longitudinally examined major tenets of the Interpersonal Fear Avoidance Model of Pain and included parent and youth IU as key factors in the model. Participants included 152 youth with chronic pain (Mage = 14.23 years; 72% female) and their parents (93% female). At baseline, parents and youth reported on their IU and catastrophic thinking about youth pain; youth reported on their fear of pain, pain intensity, and pain interference; and parents reported on their protective responses to child pain. Youth reported on their pain interference 3 months later. Cross-lagged panel models, controlling for baseline pain interference, showed that greater parent IU predicted greater parent pain catastrophizing, which, in turn, predicted greater parent protectiveness, greater youth fear of pain, and subsequently greater youth 3-month pain interference. Youth IU had a significant indirect effect on 3-month pain interference through youth pain catastrophizing and fear of pain. The results suggest that parent and youth IU contribute to increases in youth pain interference over time through increased pain catastrophizing, parent protectiveness, and youth fear of pain. Thus, parent and youth IU play important roles as risk factors in the maintenance of pediatric chronic pain over time and may be important targets for intervention.

Differential Risk Factor Profiles in the Prediction of General and Pain-Specific Functional Limitations 12 Months after Major Pediatric Surgery

Pediatric chronic post-surgical pain is a surgical complication associated with various levels of functional limitation. Two commonly used measures of functional limitations in youth are the Functional Disability Inventory (FDI) and the PROMIS Pediatric Pain Interference Scale (PPIS), where the former is general, and the latter, pain specific. The aim of the present study was to prospectively compare pre-surgical youth and parent risk factors for youth functional limitations, assessed by the FDI and PPIS, 12 months after major pediatric surgery. Risk factors for the FDI and PPIS were compared in 79 dyads consisting of youth (58% female, M = 14.56 years; SD = 2.31) undergoing major surgery and one of their parents. The FDI and PPIS were highly correlated prior to surgery (r = 0.698, p < 0.001) and even more so 12 months after surgery (r = 0.807, p < 0.001). Parent pre-surgical anxiety sensitivity and youth pre-surgical functional disability significantly predicted 12-month FDI (F(6,56) = 4.443, p = 0.001, Adjusted R² = 0.25), whereas parent pre-surgical anxiety sensitivity, trait anxiety, pain anxiety, as well as youth pain-related anxiety and worry significantly predicted 12-month PPIS (F(6,45) = 4.104, p = 0.002, Adjusted R² = 0.27). Risk factors for 12-month general and pain-specific functional limitations differ by dyad member and type. Functional limitations in youth after surgery are predicted by youth and parent factors, however the risk factors differ between the FDI and the PPIS.

Longitudinal Impact of Parental Catastrophizing on Child Functional Disability in Pediatric Amplified Pain

Objective

Children with amplified musculoskeletal pain (AMPS) experience significant functional disability, with impairment in their ability to participate in age-appropriate activities of daily living. Parental factors play an important role in a child’s pain symptoms and treatment outcomes, with parental pain catastrophizing and protective behaviors linked to several maladaptive outcomes for children. Aims of the current study were to examine how parental pain catastrophizing, child pain catastrophizing, and parental protective behaviors longitudinally impacted functional disability for children with AMPS.

Methods

Archival data were examined from parent-child dyads presenting to a tertiary pain clinic for treatment of AMPS. Over 1 year, parents completed measures assessing the level of pain catastrophizing, common behavioral responses to child pain, and child functional disability. Children completed measures of pain catastrophizing and functional disability. Measures were collected at initial evaluation, 6-months, and 12-months. Latent growth models (LGM) were conducted to examine how to study variables longitudinally impacted the rate of change in child functional disability.

Results

Examining a comprehensive LGM of study variables, parental catastrophizing emerged as the sole contributing factor to slower improvement in functional disability.

Conclusions

The strong influence of parental pain catastrophizing on functional disability may relate to parents limiting behaviors that promote adaptive coping in children with pain. As such, parents who catastrophize may benefit from specific interventions to increase their use of adaptive behavioral responses, such as redirecting children to complete functional activities and encouraging the use of positive coping skills for pain-related distress.

Psychosocial subgroups in high-performance athletes with low back pain: eustress-endurance is most frequent, distress-endurance most problematic!

OBJECTIVES

In non-athletes, fear-avoidance and endurance-related pain responses appear to influence the development and maintenance of low back pain (LBP). The avoidance-endurance model (AEM) postulates three dysfunctional pain response patterns that are associated with poorer pain outcomes. Whether comparable relationships are present in athletes is currently unclear. This cross-sectional case-control study explored frequencies and behavioral validity of the AEM-based patterns in athletes with and without LBP, as well as their outcome-based validity in athletes with LBP.

METHODS

Based on the Avoidance-Endurance Fast-Screen, 438 (57.1% female) young adult high-performance athletes with and 335 (45.4% female) without LBP were categorized as showing a "distress-endurance" (DER), "eustress-endurance" (EER), "fear-avoidance" (FAR) or "adaptive" (AR) pattern.

RESULTS

Of the athletes with LBP, 9.8% were categorized as FAR, 20.1% as DER, 47.0% as EER, and 23.1% as AR; of the athletes without LBP, 10.4% were categorized as FAR, 14.3% as DER, 47.2% as EER, and 28.1% as AR. DER and EER reported more pronounced endurance- and less pronounced avoidance-related pain responses than FAR, and vice versa. DER further reported the highest training frequency. In athletes with LBP, all dysfunctional groups reported higher LBP intensity, with FAR and DER displaying higher disability scores than AR.

CONCLUSIONS

The results indicate that also in athletes, patterns of endurance- and fear-avoidance-related pain responses appear dysfunctional with respect to LBP. While EER occurred most often, DER seems most problematic.

IMPLICATIONS

Endurance-related pain responses that might be necessary during painful exercise should therefore be inspected carefully when shown in response to clinical pain.

Chronic Pain and Mental Health Co-Morbidity in Adolescents: An Urgent Call for Assessment and Evidence-Based Intervention

BACKGROUND

Nearly 30% of children are affected by chronic pain which puts a significant burden on the child's family and society with estimated cost of over $19.5 billion each year. Children and adolescent's quality of life is often impacted leading to physical disability, low self-esteem, depression, anxiety, school stress or decreased performance, insomnia, and fatigue. The purposes of this paper are to: 1) provide an overview of chronic pain in children and adolescents; 2) describe findings from a quality improvement project that assessed the prevalence of negative mood, quality of life, functional disability, and coping with pain in teens with chronic pain, and 3) discuss screening, assessment and evidence-based management of co-morbid chronic pain and mental health problems in children and teens.

FINDINGS

Findings for a quality improvement project indicated that 16.8% of the adolescents scored high risk for depression, which was higher than the national average. Approximately 57% of adolescents were screened as high risk on the Pediatric Quality of Life inventory (PedsQL™). One in four adolescents showed poor functioning on the Functional Disability Inventory and nearly one-third of the adolescents reported poor coping with pain on the Pain Coping Questionnaire. This project indicates that adolescents with chronic pain are at high risk for mental health problems. The outcomes suggest the mental health needs of adolescents with chronic pain need to be identified and addressed to help improve outcomes.

DISCUSSION

Children and youth with chronic pain need to be routinely screened and assessed for mental health problems, especially anxiety and depression. The use of Cognitive Behavioral Therapy (CBT) or CBT-skills building for children and youth with anxiety and depressive disorders has been widely studied and are helpful for children with chronic pain include psychoeducation, which helps the child to learn age and developmental specific information on chronic pain. Evidence-based manualized and internet-based CBT programs should be scaled rapidly to decrease depression and anxiety in children and youth with chronic pain.

Executive Functioning in Adolescents with Chronic Musculoskeletal Pain

Adolescents with chronic pain often suffer significant impairment in physical, emotional, and social domains. Surprisingly little is known about executive functioning (EF) in youth with chronic pain or how EF deficits may contribute to functional impairment. Study participants included 60 adolescents between the ages of 12 and 17 years (M = 14.57). Thirty participants with chronic musculoskeletal pain and 30 age- and gender-matched healthy controls were recruited from a large Midwestern children's hospital in the United States. Participants completed the Behavior Rating Inventory of Executive Functioning (BRIEF-2) as well as multiple measures of functional impairment across key domains: school, social, emotional (anxiety, depression), and physical. Adolescents with chronic musculoskeletal pain reported significantly greater EF impairment compared to healthy age- and gender-matched peers. Clinically elevated risk levels of impairment were reported across all aspects of EF, with many adolescents in the chronic pain group scoring above the clinical risk cut off for working memory (52%), inhibition (45%), and cognitive flexibility (38%). EF was also significantly related to functional impairment across all domains. Findings suggest that EF may have an impact across several critical domains of functioning for youth with chronic pain.

A linguistic analysis of future narratives in adolescents with Complex Regional Pain Syndrome and their pain-free peers

BACKGROUND

Complex Regional Pain Syndrome (CRPS) is a chronic pain condition that often develops after injury, with a typical onset in adolescence. The impact of chronic pain is far-reaching, with many adolescents reporting atypical developmental trajectories compared with peers. Social Comparison Theory offers a framework for understanding how such comparisons influence well-being, whereby a heightened sense of disparity places adolescents at risk of poor cognitive, affective and social outcomes. Using a novel linguistic analysis programme, this study aims to investigate cognitive, affective and social language used by adolescents with CRPS in comparison to their peers during a task reflecting on their futures.

METHODS

A story completion task was completed by adolescents with CPRS (n = 49) and adolescents without pain (n = 48). This task involved asking adolescents to describe their imagined future. Narratives were analysed using a novel linguistic analysis programme, focusing on the cognitive, affective and social dimensions.

RESULTS

Findings revealed significant group differences in how adolescents with CRPS described their imagined futures. Adolescents with CRPS used significantly fewer positive affect and more negative affect, anger and sadness words, and greater insight and discrepancy words. No significant groups differences were found for social words.

CONCLUSIONS

Substantial differences in cognitive and affective words were found between adolescents with and without CRPS. Findings provide novel insights into current understandings of cognitive, affective and social processes in adolescents living with chronic pain, particularly with regard to adolescent developmental trajectories, and may in turn highlight potential targets in psychosocial interventions for adolescents living with chronic pain.

SIGNIFICANCE

Social comparisons are commonly undertaken by adolescents with CRPS in relation to peers, increasing risk for poor cognitive, affective and social outcomes. Findings promote the potential importance of targeting psychosocial factors in treatments for paediatric chronic pain.

The Co-occurrence of Pediatric Chronic Pain and Anxiety: A Theoretical Review of a Developmentally Informed Shared Vulnerability Model

The development and maintenance of pediatric chronic pain and anxiety are complex, underscoring the need to better understand the interactive forces contributing to their co-occurrence. The shared vulnerability model (SVM) was developed to explain the co-occurrence of chronic pain and posttraumatic stress disorder in adults. Although many core tenets have been well supported by pediatric research, the SVM has yet to be extended to pediatric pain populations. We propose a developmentally informed pediatric SVM for advancing our understanding of the co-occurrence of pediatric chronic pain and anxiety disorders. The proposed SVM postulates that youth at increased risk for the development of chronic pain and/or anxiety share predisposing vulnerabilities, including anxiety sensitivity, and that these shared vulnerabilities give rise to negative emotional responses (child and parent) in the context of stressful events. Consequences of fear and anxiety, including avoidance behavior, further contribute to the development of chronic pain, anxiety, and their co-occurrence. The parental, school, and peer contexts in which these problems develop and are maintained in youth are pertinent to integrate into a SVM, as pediatric chronic pain and anxiety disorders share several social-contextual risk and maintenance factors. We also highlight new areas of inquiry.

Clinical Reference Points for the Screen for Child Anxiety-related Disorders in 2 Investigations of Youth With Chronic Pain

OBJECTIVE

Anxiety is common in pediatric chronic pain and is related to a higher risk for poor outcomes; thus, there is a need for effective clinical screening methods to identify youth with chronic pain and co-occurring anxiety. The Screen for Child Anxiety-related Disorders (SCARED) is a validated measure that defines clinically significant anxiety using the traditional clinical cut-off, but in pain populations, may fail to screen in youth with subclinical anxiety that may also be at increased risk. Two studies aimed to devise a clinically meaningful approach to capture anxiety severity in pediatric chronic pain.

MATERIALS AND METHODS

Study 1 (n=959) and Study 2 (n=207) were completed at 2 separate pediatric pain clinics, where the SCARED was administered along with measures of disability, activity limitations, pain intensity, quality of life, and pain catastrophizing. Groups with different levels of anxiety were compared on clinical outcomes via multivariate analyses of variance or independent samples t tests.

RESULTS

A tertile solution suggested the following anxiety groupings based on the SCARED: minimal (0 to 12), subclinical (13 to 24), and clinical (≥25). Across both studies, the tertile solution was generally superior in classifying different levels of pain-related outcomes.

DISCUSSION

Future directions include testing the utility of this anxiety classification system to identify youth with subclinical levels of anxiety for early intervention focused on both pain and anxiety management.

Managing childhood cancer pain into survivorship: recognition and emerging principles

PURPOSE OF REVIEW

Continual refinement and further stratification of childhood cancer treatment has led to increased survivorship with recognized improvements in many long-term health outcomes. Despite this progress, persisting pain prevalence in childhood cancer survivors is increasing and emerging as a significant long-term health concern.

RECENT FINDINGS

Currently, there is no guidance on how to approach and manage persisting pain in survivors of childhood cancer.

SUMMARY

Clinicians should work with children and young people to optimize the management of pain and other symptoms on treatment. Focusing on an early post treatment screening for pain and other symptoms (including sleep and fatigue), and the role of on-going analgesic use. Follow-up should offer a multidisciplinary approach, aimed at lessening reliance on pharmacological approaches to pain management, addressing psychological concerns and promoting increased physical activity. The onus is on clinicians to mitigate the long-term risk of pharmacological reliance, particularly opioid dependency, in patients leaving their care and heading into adulthood. In this article, we highlight the emerging evidence of persisting pain in survivors of childhood cancer as a significant long-term health outcome and consider some initial principles of management.

Psychosocial Variables and Sleep Associated With Neck Pain in Adolescents: A Systematic Review

Purpose: To identify and critically assess the evidence on the association between psychosocial variables and neck pain (NP) in adolescents.Methods: Searches were conducted using seven electronic databases. Two reviewers screened studies for inclusion and assessed the quality of included studies. A meta-analysis was performed for studies that measured depression and sleep.Results: Fourteen studies were included in a total of 21 comparisons. Statistically significant differences were found for depression (OR = 2.36; CI_95% = 1.26-4.42 and OR = 2.26; CI_95% = 1.06-4.84 for girls and boys), anxiety (OR = 1.43; CI_95% = 1.20-1.70), catastrophizing (WMD = 6.6; 95%CI = 3.1;10.1 points), stress (OR = 2.00; CI_95% = 1.50-2.70), and sleep (OR = 1.63; CI_95% = 1.23-2.18). Two studies on self-efficacy reported contradictory results.Conclusions: There is very limited to limited evidence that adolescents with NP have higher levels of depression, anxiety, catastrophizing, stress and report lower sleep quality, and self-efficacy than adolescents without NP. There is also conflicting evidence on whether self-efficacy differs between adolescents with and without NP.

The mechanisms of pain tolerance and pain-related anxiety in acute pain

This study emphasizes the role of pain catastrophizing and state anxiety on pain tolerance and pain-related anxiety. Response expectancies for pain tolerance and pain intensity were tested as potential mediators. A cold-pressor task was used on a healthy sample. Measures were taken before and after cold-pressor procedure, while aversive versus neutral information regarding the cold-pressor task was given prior to the pain induction. An exploratory path model was conducted. Similar paths for pain tolerance and for pain-related anxiety were shown in aversive condition. Also, psychological measures may explain pain experience in aversive context.

Risk and Resilience in Pediatric Pain: The Roles of Parent and Adolescent Catastrophizing and Acceptance

OBJECTIVES

Both pediatric and parent pain catastrophizing and pain acceptance are key factors associated with pediatric pain outcomes; however, the interactive effects of these factors within the parent-child dyad have yet to be tested. The aims of this study were to examine: (1) the mediating role of child catastrophizing between parent catastrophizing and child outcomes (pain interference and mobility), (2) the mediating role of child acceptance between parent acceptance and child outcomes, and (3) whether child acceptance buffers the relation between parent catastrophizing and child catastrophizing, which in turn impacts child outcomes.

MATERIALS AND METHODS

Cross-sectional data from 324 youth with chronic pain ages 10 to 17 years (mean age=14.72, [SD=2.12]; 73.1% female; 59% Caucasian) and their parents were collected. Participants completed measures assessing pediatric Patient-Reported Outcome Measurement Information System (PROMIS) domains (mobility and pain interference), pain catastrophizing, pain acceptance, and child pain intensity. Mediation was conducted via 1000-draw bootstrap-adjusted analyses in Mplus.

RESULTS

Parent pain catastrophizing was indirectly associated with child pain interference via child catastrophizing but was not associated with mobility difficulties in the mediation model. Parent pain acceptance was indirectly associated with both child pain interference and mobility via child acceptance. We did not find evidence of child acceptance-buffering parent and child pain catastrophizing.

DISCUSSION

The findings of this study highlight the need for caregiver involvement in multidisciplinary treatments to mitigate risk and enhance resilience in youth with chronic pain.