The role of fear avoidance beliefs as a prognostic factor for outcome in patients with nonspecific low back pain: a systematic review

Effectiveness and cost-effectiveness of neuromuscular exercise and back care counseling in female healthcare workers with recurrent non-specific low back pain: a blinded four-arm randomized controlled trial

Background

Registered healthcare workers worldwide have a high prevalence of work-related musculoskeletal disorders, particularly of the back. Multidisciplinary interventions among these workers have improved fear avoidance beliefs, but not low back pain (LBP) and related sickness absences, cost-effectiveness studies are scarce. Our purpose was to investigate the effectiveness and cost-effectiveness of three intervention-arms (combined neuromuscular exercise and back care counselling or either alone) compared with non-treatment.

Methods

We randomly assigned female healthcare workers with recurrent non-specific LBP to one of four study-arms: Combined neuromuscular exercise and back care counseling; Exercise; Counseling; and no intervention Control. We assessed the effectiveness of the interventions on intensity of LBP, pain interfering with work and fear avoidance beliefs against the Control, and calculated the incremental cost-effectiveness ratios for sickness absence and QALY.

Results

We conducted three sub-studies in consecutive years of 2011, 2012, and 2013 to reach an adequate sample size. All together 219 women were randomized within each sub-study, of whom 74 and 68% had adequate questionnaire data at 6 and 12 months, respectively. No adverse events occurred. Compliance rates varied between intervention-arms. After 12 months, the Combined-arm showed reduced intensity of LBP (p = 0.006; effect size 0.70, confidence interval 0.23 to 1.17) and pain interfering with work (p = 0.011) compared with the Control-arm. Work-related fear of pain was reduced in both the Combined- (p = 0.003) and Exercise-arm (p = 0.002). Physical activity-related fear was reduced only in the Exercise-arm (p = 0.008). During the study period (0–12 months) mean total costs were lowest in the Combined-arm (€476 vs. €1062–€1992, p < 0.001) as were the mean number of sickness absence days (0.15 vs. 2.29–4.17, p = 0.025). None of the intervention-arms was cost-effective for sickness absence. There was 85% probability of exercise-arm being cost-effective if willing to pay €3550 for QALY gained.

Conclusions

Exercise once a week for 6 months combined with five sessions of back care counseling after working hours in real-life settings effectively reduced the intensity of LBP, work interference due to LBP, and fear of pain, but was not cost-effective.

Trial registration

ClinicalTrials.gov, NCT01465698 November 7, 2011 (prospective).

Electronic supplementary material

The online version of this article (10.1186/s12889-018-6293-9) contains supplementary material, which is available to authorized users.

Fear avoidance beliefs as a predictor for long-term sick leave, disability and pain in patients with chronic low back pain

BACKGROUND

Subgrouping patients with chronic low back pain is recommended prior to selecting treatment strategy, and fear avoidance beliefs is a commonly addressed psychological factor used to help this subgrouping. The results of the predictive value of fear avoidance beliefs in patients with chronic low back pain in prognostic studies are, however, not in concordance. Therefore, the objective of this study was to examine the association between fear avoidance beliefs at baseline and unsuccessful outcome on sick leave, disability and pain at 12-month follow-up in patients with entirely chronic low back pain.

METHODS

A secondary analysis of data from a randomised controlled trial. Patients with chronic low back pain (n = 559) completed questionnaires at baseline and after 12 months. Multiple logistic regression analyses were conducted to examine the association between fear avoidance beliefs and the outcomes sick leave, disability and pain.

RESULTS

Higher fear avoidance beliefs about work at baseline were found to be significantly associated with still being on sick leave (OR 1.11; 95% CI 1.02-1.20) and having no reduction in pain (OR 1.04; 95% CI 1.01-1.08) after 12 months and may be associated with having no reduction in disability (OR 1.03; 95% CI 1.00-1.06) after 12 months (lower limit of 95% CI close to 1.00). Fear avoidance beliefs about physical activity were not found to be associated with the three outcomes.

CONCLUSIONS

High fear avoidance beliefs about work are associated with continuous sick leave after 1 year in patients with chronic low back pain. This finding might assist clinicians in choosing targeted treatment strategies in subgroups of working patients with chronic low back pain.

Frontal plane movement of the pelvis and thorax during dynamic activities in individuals with and without anterior cruciate ligament injury

BACKGROUND

For elite athletes with anterior cruciate ligament (ACL) reconstruction, reducing pelvis and trunk obliquities is a common goal of rehabilitation. It is not known if this is also a suitable goal for the general population. This study aimed to quantify pelvis and thorax obliquities during dynamic activities in individuals from the general population with and without history of ACL injury.

METHODS

Retrospective analysis of cross-sectional data from 30 participants with ACL reconstruction, 28 participants with ACL deficiency (ACLD), and 32 controls who performed overground walking and jogging, single-leg squat, and single-leg hop for distance. Pelvis and thorax obliquities were quantified in each activity and compared across groups using one-way ANOVA. Coordination was quantified using cross covariance.

RESULTS

In the stance phase of walking and jogging, pelvis and thorax obliquities were within ±10° of neutral and there was a negative correlation between the two segments at close to zero phase lag. In single-leg squat and hop, range of obliquities varied across individuals and there was no consistent pattern of coordination. Eight ACLD participants felt unable to perform the single-leg hop. In the remaining participants, range of pelvis (p = 0.04) and thorax (p = 0.02) obliquities was smaller in ACLD than controls.

CONCLUSIONS

In challenging single-leg activities, minimal frontal plane motion was not the typical movement pattern observed in the general population. Coordination between the pelvis and thorax was inconsistent within and across individuals. Care should be taken when considering minimising pelvis and thorax obliquities in patients with ACL injury.

Translation and psychometric evaluation of the Hebrew version of the Health Care Providers' Pain and Impairment Relationship Scale

BACKGROUND AND PURPOSE

Physiotherapists' different attitudes towards low back pain (LBP) are associated with patients' attitudes towards pain and with patients' disability. The Health Care Providers' Pain and Impairment Relationship Scale (HC-Pairs) is a self-administered instrument that assesses the attitudes and beliefs of health care professionals regarding LBP and the patient's daily function. The aims of this study are to translate, culturally adapt, and asses the psychometric properties of the Hebrew version of the HC-Pairs.

METHODS

The English version of the HC-Pairs was forward-backward translated, pretested, and reviewed by a panel of experts. Reliability was determined by computing Cronbach's α, and validity by exploring the correlations between the HC-Pairs' scores and the Pain Attitudes and Beliefs Scale for Physiotherapists (PABS-PT) scores. Confirmatory factor analysis was performed. A convenience sample of 277 physiotherapists was invited to fill the HC-Pairs and PABS-PT questionnaires and a sociodemographic questionnaire.

RESULTS

The forward-backward translation process revealed minor discrepancies between the texts. After the pretest, the expert panel agreed on a final version. A sample of 241 physiotherapists completed the questionnaires (response rate of 87%; 241/277); 213 met the inclusion criteria. Factor analysis suggests that the Hebrew version of the scale fits the one-factor model. Cronbach's α was 0.81 after deletion of two items and indicated good internal consistency. The scores produced by the instrument showed a substantial correlation with those of the biomedical dimension of the PABS-PT, and poor correlation with the behavioural dimension, in the expected directions.

CONCLUSION

The findings of the present study on the psychometric properties of the HC-Pairs are positive. Nevertheless, the Hebrew version of the HC-Pairs is still in a developmental stage. Further psychometric research is needed to assess the attitudes and beliefs of Hebrew-speaking physiotherapists, which have been shown to be associated with treatment orientations and work recommendations.

GLA:D® Back group-based patient education integrated with exercises to support self-management of back pain - development, theories and scientific evidence

BACKGROUND

Clinical guidelines recommend that people with back pain be given information and education about their back pain, advice to remain active and at work, and exercises to improve mobility and physical activity. Guidelines, however, rarely describe how this is best delivered. The aim of this paper is to present the development, theories, and underlying evidence for 'GLA:D Back' - a group education and exercise program that translates guideline recommendations into a clinician-delivered program for the promotion of self-management in people with persistent/recurrent back pain.

METHODS

GLA:D Back, which included a rationale and objectives for the program, theory and evidence for the interventions, and program materials, was developed using an iterative process. The content of patient education and exercise programs tested in randomised trials was extracted and a multidisciplinary team of expert researchers and clinicians prioritised common elements hypothesised to improve back pain beliefs and management skills. The program was tested on eight people with persistent back pain in a university clinic and 152 patients from nine primary care physiotherapy and chiropractic clinics. Following feedback from the clinicians and patients involved, the working version of the program was created.

RESULTS

Educational components included pain mechanisms, pain modulation, active coping strategies, imaging, physical activity, and exercise that emphasised a balance between the sum of demands and the individual's capacity. These were operationalised in PowerPoint presentations with supporting text to aid clinicians in delivering two one-hour patient education lectures. The exercise program included 16 supervised one-hour sessions over 8 weeks, each comprising a warm-up section and eight types of exercises for general flexibility and strengthening of six different muscle groups at four levels of difficulty. The aims of the exercises were to improve overall back fitness and, at the same time, encourage patients to explore variations in movement by incorporating education content into the exercise sessions.

CONCLUSION

From current best evidence about prognostic factors in back pain and effective treatments for back pain, research and clinical experts developed a ready-to-use structured program - GLA:D® Back - to support self-management for people with persistent/recurrent back pain.

Translation, cross-cultural adaptation, and psychometric properties of the Hausa version of the Fear-Avoidance Beliefs Questionnaire in patients with low back pain

Background and aims

The Fear-Avoidance Beliefs Questionnaire (FABQ) is the most widely used self-reported measure of fear-avoidance beliefs about work and physical activity in low back pain (LBP). However, there is no Hausa version for use in patients with LBP. This study aimed to translate, cross-culturally adapt, and test the psychometric properties of the Hausa version of the FABQ in patients with LBP.

Methods

The Hausa form of FABQ was developed using a forward-backward translation procedure according to recommended guidelines. The pre-final version of the questionnaire was pre-tested on 10 patients with acute LBP and 10 patients with chronic LBP. Psychometric testing was performed in 70 patients with acute LBP and 130 patients with chronic LBP. Reliability was assessed using internal consistency (Cronbach α) and test-retest reliability through intraclass correlation coefficient (ICC). Construct validity was assessed by exploratory factor analysis and divergent validity (Spearman rank correlation coefficient). Responsiveness was also investigated on 40 patients with chronic LBP.

Results

The Hausa version of the FABQ was successfully translated and proved to be well-understood. The internal consistency was adequate for the questionnaire (0.773) and its physical activity (0.816) and work (0.606) subscales. Test-retest reliability was excellent with an ICC value of 0.928 for the questionnaire and values of 0.901 and 0.863 for the physical activity and work subscales, respectively. Exploratory factor analysis yielded a three-factor structure in both acute and chronic LBP samples explaining 66.4% and 58.6% of the total variance, respectively. The first factor represents fear-avoidance beliefs due to work, the second factor represents fear-avoidance beliefs due to physical activity whereas the third factor represents the fear that pain aggravates due to work. Divergent validity showed moderate to weak correlation between the questionnaire and pain intensity (r=0.502), disability (r=0.415), lumbopelvic motion (r=0.00). The physical activity and work subscales weakly correlated (r=0.280). The effect size and standardized response mean were moderate to small with the work subscale having the lowest effect size (0.34) and standardized response mean (0.34) values. The MDC of the questionnaire was 5.4 points. The questionnaire had no ceiling or floor effects.

Conclusions

The FABQ was successfully translated into Hausa and cross-culturally adapted with acceptable psychometric properties similar to those of existing versions. The results suggest that the Hausa FABQ can be used to evaluate fear-avoidance beliefs about LBP in Hausa-speaking population for both clinical and research purposes.

Brain Mechanisms of Anticipated Painful Movements and Their Modulation by Manual Therapy in Chronic Low Back Pain

Heightened anticipation and fear of movement-related pain has been linked to detrimental fear-avoidance behavior in chronic low back pain (cLBP). Spinal manipulative therapy (SMT) has been proposed to work partly by exposing patients to nonharmful but forceful mobilization of the painful joint, thereby disrupting the relationship among pain anticipation, fear, and movement. Here, we investigated the brain processes underpinning pain anticipation and fear of movement in cLBP, and their modulation by SMT, using functional magnetic resonance imaging. Fifteen cLBP patients and 16 healthy control (HC) subjects were scanned while observing and rating video clips depicting back-straining or neutral physical exercises, which they knew they would have to perform at the end of the visit. This task was repeated after a single session of spinal manipulation (cLBP and HC group) or mobilization (cLBP group only), in separate visits. Compared with HC subjects, cLBP patients reported higher expected pain and fear of performing the observed exercises. These ratings, along with clinical pain, were reduced by SMT. Moreover, cLBP, relative to HC subjects, demonstrated higher blood oxygen level-dependent signal in brain circuitry that has previously been implicated in salience, social cognition, and mentalizing, while observing back straining compared with neutral exercises. The engagement of this circuitry was reduced after SMT, and especially the spinal manipulation session, proportionally to the magnitude of SMT-induced reduction in anticipated pain and fear. This study sheds light on the brain processing of anticipated pain and fear of back-straining movement in cLBP, and suggests that SMT may reduce cognitive and affective-motivational aspects of fear-avoidance behavior, along with corresponding brain processes. PERSPECTIVE: This study of cLBP patients investigated how SMT affects clinical pain, expected pain, and fear of physical exercises. The results indicate that one of the mechanisms of SMT may be to reduce pain expectancy, fear of movement, and associated brain responses.

The association between pain beliefs and pain intensity and/or disability in people with shoulder pain: A systematic review

BACKGROUND

Pain beliefs might play a role in the development, transition, and perpetuation of shoulder pain.

OBJECTIVE

To systematically review and critically appraise the association and the predictive value of pain beliefs on pain intensity and/or disability in shoulder pain.

METHODS

An electronic search of PubMed, EBSCOhost, AMED, CINAHL, EMBASE, and PubPsych, and grey literature was searched from inception to July 2017. Study selection was based on observational studies exploring the association and the predictive value of pain beliefs on pain intensity and/or disability in shoulder pain.

RESULTS

A total of thirty-three articles were included with a total sample of 10,293 participants with shoulder pain. In the cross-sectional analysis, higher levels of pain catastrophizing and kinesiophobia were significantly associated with more pain intensity and disability, whereas higher levels of expectations of recovery and self-efficacy were significantly associated with lower levels of pain intensity and disability. In the longitudinal analysis, higher levels of pain catastrophizing, fear-avoidance and kinesiophobia at baseline predicted greater pain intensity and disability overtime. Higher levels of self-efficacy and expectations of recovery at baseline predicted a reduction in levels of pain intensity and disability overtime.

CONCLUSIONS

Evidence suggests that pain beliefs are associated with and predict the course of pain intensity and disability in shoulder pain. However, the overall body of the evidence after applying the GRADE approach was very low across studies. Further research using higher quality longitudinal designs and procedures would be needed to establish firm conclusions.

A subgroup analysis to compare patients with acute low back pain classified as per treatment-based classification

OBJECTIVES

The evidence for the effectiveness of interventions targeting acute low back pain (LBP) is suboptimal. It is difficult to identify those patients who are more likely to develop chronic pain and disability after an acute episode of LBP. These shortcomings may be attributed to considering LBP as one homogenous condition.

METHODS

In this quasi-experimental study, we examined and analysed a prospective cohort of 267 patients with first-onset LBP and classified them into one of the groups based on treatment-based classification: direction-specified exercises (Group 2), manipulation (Group 3), stabilization exercises (Group 4), traction (Group 5), and a physician care group (Group 1). Disability and pain were assessed at baseline, after treatment, and at 6 months using the Oswestry Disability Index and the Numerical Rating Scale, respectively. Comparisons were made between the groups, and we predicted measures of disability and pain intensity at 6 months with age, gender, fear avoidance behaviour, centralization phenomenon (CP), expectations about recovery, CP, group classification, baseline pain, and disability.

RESULTS

Analysis showed that all the heterogeneous groups of LBP improved their outcomes with the respective treatment provided. However, when the entire sample was considered as one homogenous group of LBP, the results showed improvement with time (p < 0.05) only and no difference was found between groups (p > 0.05). None of the studied factors, except baseline pain (R = 0.227, R²  = 0.051, p < 0.05), were able to accurately predict the development of chronic pain in our study sample.

CONCLUSION

Though our results showed no differences between the subgroups in the reduction of pain and disability, we conclude that classifying and treating patients with LBP into subgroups based on signs and symptoms produce better outcomes. Baseline pain alone may predict a small percentage of people who may develop chronic pain.

Determining Physiological and Psychological Predictors of Time to Task Failure on a Virtual Reality Sørensen Test in Participants With and Without Recurrent Low Back Pain: Exploratory Study

BACKGROUND

Sørensen trunk extension endurance test performance predicts the development of low back pain and is a strong discriminator of those with and without low back pain. Performance may greatly depend on psychological factors, such as kinesiophobia, self-efficacy, and motivation. Virtual reality video games have been used in people with low back pain to encourage physical activity that would otherwise be avoided out of fear of pain or harm. Accordingly, we developed a virtual reality video game to assess the influence of immersive gaming on the Sørensen test performance.

OBJECTIVE

The objective of our study was to determine the physiological and psychological predictors of time to task failure (TTF) on a virtual reality Sørensen test in participants with and without a history of recurrent low back pain.

METHODS

We recruited 24 individuals with a history of recurrent low back pain and 24 sex-, age-, and body mass index-matched individuals without a history of low back pain. Participants completed a series of psychological measures, including the Center for Epidemiological Studies-Depression Scale, Pain Resilience Scale, Pain Catastrophizing Scale, Tampa Scale for Kinesiophobia, and a self-efficacy measure. The maximal isometric strength of trunk and hip extensors and TTF on a virtual reality Sørensen test were measured. Electromyography of the erector spinae, gluteus maximus, and biceps femoris was recorded during the strength and endurance trials.

RESULTS

A two-way analysis of variance revealed no significant difference in TTF between groups (P=.99), but there was a trend for longer TTF in females on the virtual reality Sørensen test (P=.06). Linear regression analyses were performed to determine predictors of TTF in each group. In healthy participants, the normalized median power frequency slope of erector spinae (beta=.450, P=.01), biceps femoris (beta=.400, P=.01), and trunk mass (beta=-.32, P=.02) predicted TTF. In participants with recurrent low back pain, trunk mass (beta=-.67, P<.001), Tampa Scale for Kinesiophobia (beta=-.43, P=.01), and self-efficacy (beta=.35, P=.03) predicted TTF.

CONCLUSIONS

Trunk mass appears to be a consistent predictor of performance. Kinesiophobia appears to negatively influence TTF for those with a history of recurrent low back pain, but does not influence healthy individuals. Self-efficacy is associated with better performance in individuals with a history of recurrent low back pain, whereas a less steep median power frequency slope of the trunk and hip extensors is associated with better performance in individuals without a history of low back pain.

Fear Avoidance Beliefs and Risk of Long-Term Sickness Absence: Prospective Cohort Study among Workers with Musculoskeletal Pain

Background and Objective

Musculoskeletal pain is common in the population. Negative beliefs about musculoskeletal pain and physical activity may lead to avoidance behavior resulting in absence from work. The present study investigates the influence of fear avoidance beliefs on long-term sickness absence.

Methods

Workers of the general working population with musculoskeletal pain (low back, neck/shoulder, and/or arm/hand pain; n = 8319) from the Danish Work Environment Cohort Study were included. Long-term sickness absence data were obtained from the Danish Register for Evaluation and Marginalization (DREAM). Time-to-event analyses (cox regression) controlled for various confounders estimated the association between fear avoidance beliefs (very low, low, moderate [reference category], high, and very high) at baseline and long-term sickness absence (LTSA; ≥6 consecutive weeks) during a 2-year follow-up.

Results

During the 2-year follow-up, 10.2% of the workers experienced long-term sickness absence. In the fully adjusted model, very high-level fear avoidance increased the risk of LTSA with hazard ratio (HR) of 1.48 (95% CI 1.15-1.90). Similar results were seen analyses stratified for occupational physical activity, i.e., sedentary workers (HR 1.72 (95% CI 1.04-2.83)) and physically active workers (HR 1.48 (95% CI 1.10-2.01)).

Conclusion

A very high level of fear avoidance is a risk factor for long-term sickness absence among workers with musculoskeletal pain regardless of the level of occupational physical activity. Future interventions should target fear avoidance beliefs through information and campaigns about the benefits of staying active when having musculoskeletal pain.

College Athletes With Ankle Sprain History Exhibit Greater Fear-Avoidance Beliefs

Context: Postinjury, college athletes have reported elevated levels of fear. However, it is unclear how a history of ankle sprain impacts injury-related fear. Objective: The aim of this study was to determine if Fear-Avoidance Beliefs Questionnaire (FABQ) scores differ between college athletes with a history of a single ankle sprain, those with recurrent ankle sprains, and healthy controls. Design: Cross-sectional design. Setting: National Collegiate Athletic Association institutions. Patients: From a large database of college athletes, 75 participants with a history of a single ankle sprain, 44 with a history of recurrent ankle sprains (≥2), and 28 controls with no injury history were included. Main Outcome Measures: Participants completed an injury history questionnaire and the FABQ. On the injury history form, the participants were asked to indicate if they had ever sustained an ankle sprain and, if yes, to describe how many. FABQ scores ranged from 0 to 66 with higher scores representing greater fear. Results: Athletes with a history of recurrent ankle sprains (median, 28.00; interquartile range, 18.25–38.00) reported higher levels of fear than those with a history of a single ankle sprain (21.00; 8.00–31.00; P = .03; effect size = 0.199) and healthy controls (5.50; 0.00–25.00; P < .001; effect size = 0.431). Athletes with a history of a single sprain reported greater fear than healthy controls (P = .01, effect size = 0.267). Athletes with a history of a single sprain reported greater fear than healthy controls (P = .02, effect size = 0.23). Conclusions: College athletes with a history of ankle sprain exhibited greater levels of fear on the FABQ than healthy controls. These findings suggest that ankle sprains in general may increase injury-related fear and that those with a history of recurrent sprains are more vulnerable.

Psychometric Properties of the Photograph Series of Daily Activities-Short Electronic Version (PHODA-SeV) in Patients With Chronic Low Back Pain

Background The Photograph Series of Daily Activities-short electronic version (PHODA-SeV) assesses perceived harmfulness of daily activities in patients with low back pain (LBP). Although there is some evidence that the PHODA-SeV is a reliable and valid tool, its psychometric properties have not been fully investigated. Objectives To investigate the test-retest reliability, measurement error, interpretability, construct validity, and internal and external responsiveness of the PHODA-SeV in patients with chronic LBP. Methods Ninety-one patients were included in the analysis for this prospective cohort study. For reliability purposes, the PHODA-SeV was administered twice, with a 1-week interval before beginning treatment. Pain, disability, and measures of pain-related fear (ie, PHODA-SeV, Fear-Avoidance Beliefs Questionnaire [FABQ], and Tampa Scale of Kinesiophobia [TSK]) were collected before and after the 8-week treatment period. Results The PHODA-SeV showed excellent reliability (intraclass correlation coefficient model 2,1 = 0.91), without evidence of ceiling and floor effects. The construct validity analysis demonstrated fair correlations (r = 0.25-0.50) of the PHODA-SeV with the FABQ, but no correlation with the TSK (r<0.25). For internal responsiveness, the PHODA-SeV showed an effect size of 0.87 and a standardized response mean of 0.92, interpreted as a large effect (greater than 0.80). For external responsiveness, the correlations between the PHODA-SeV and changes in the TSK and FABQ were considered low, and the receiver operating characteristic curve analyses revealed an area under the curve lower than the proposed threshold of 0.70. Conclusion The PHODA-SeV is a reliable tool that can detect changes over time in pain-related fear in patients with chronic LBP undergoing physical therapy treatment. This tool, however, failed to identify those patients who did or did not improve, according to other pain-related fear measures. J Orthop Sports Phys Ther 2018;48(9):719-727. Epub 23 May 2018. doi:10.2519/jospt.2018.7864.

Goal conflict in chronic pain: day reconstruction method

Background

When suffering from chronic pain, attempts to control or avoid pain often compete with other daily activities. Engaging in one activity excludes engaging in another, equally valued activity, which is referred to as "goal conflict." As yet, the presence and effects of goal conflicts in patients with chronic pain remain poorly understood.

Methods

This study systematically mapped the presence and experience of goal conflicts in patients with fibromyalgia compared to healthy controls. A total of 40 patients and 37 controls completed a semi-structured interview in which they first reconstructed the previous day, identified conflicts experienced during that day, and classified each of the conflicting goals in one of nine goal categories. Additionally, they assessed how they experienced the previous day and the reported conflicts.

Results

Results showed that patients did not experience more goal conflicts than healthy controls, but that they did differ in the type of conflicts experienced. Compared to controls, patients reported more conflicts related to pain, and fewer conflicts involving work-related, social or pleasure-related goals. Moreover, patients experienced conflicts as more aversive and more difficult to resolve than control participants.

Discussion

This study provides more insight in the dynamics of goal conflict in daily life, and indicates that patients experience conflict as more aversive than controls, and that conflict between pain control (and avoidance) and other valued activities is part of the life of patients.

Both positive and negative beliefs are important in patients with spine pain: findings from the Occupational and Industrial Orthopaedic Center registry

BACKGROUND CONTEXT

Negative beliefs are known to influence treatment outcome in patients with spine pain (SP). The impact of positive beliefs is less clear.

PURPOSE

We aimed to assess the influence of positive and negative beliefs on baseline and treatment responses in patients with SP.

STUDY DESIGN/SETTING

A retrospective cross-sectional and longitudinal analysis of prospectively collected data of outpatient physical therapy patients with SP was carried out. Questionnaires administered before and during treatment included the STarT Back distress scale (negative beliefs), and expectation and self-efficacy questions (positive beliefs).

PATIENT SAMPLE

Patients with SP with a baseline assessment and follow-up assessment comprised the study sample.

OUTCOME MEASURE

Perceived disability was measured using the Oswestry Disability Index (ODI) or the Neck Disability Index (NDI). A clinical meaningful change (minimum clinically important difference [MCID]) was defined as decrease in ODI or NDI of ≥30%.

METHODS

We used the Akaike Information Criterion from the first imputed dataset of the prediction model to select predictor variables. Prediction models were fitted to the outcome variables.

RESULTS

In the cross-sectional analysis, 1,695 low back pain (LBP) episodes and 487 neck pain (NP) episodes were analyzed. STarT Back Screening Tool (SBST)-distress was positively associated with perceived disability in both LBP (beta 2.31, 95% confidence interval [CI] 1.75-2.88) and NP (beta 2.57, 95% CI 1.47-3.67). Lower self-efficacy was negatively associated with more perceived disability for LBP (beta 0.50, 95% CI 0.29-0.72) but not for NP, whereas less positive expectations was associated with more perceived disability in NP (beta 0.57, 95% CI 0.02-1.12) but not in LBP. In the longitudinal analysis, 607 LBP episodes (36%) and 176 (36%) NP episodes were included. SBST-distress did not predict treatment outcome in spine patients. In LBP, patients with a lower positive expectation were less likely to experience an MCID in perceived disability (odds ratio [OR] per point increase 0.89, 95% CI 0.83-0.96), and there was a similar trend in NP (OR per point increase 0.90, 95% CI 0.79-1.03). In patients with LBP, lower self-efficacy at baseline was associated with a higher likelihood that an MCID was achieved (OR per point increase 1.09, 95% CI 1.01-1.19). In NP, self-efficacy was not included in the final model.

CONCLUSIONS

Our study demonstrates that both negative and positive beliefs are associated with perceptions of disability. However, in this study, only positive beliefs were associated with treatment outcome.

[Psychosocial risk factors for chronic back pain in the general population and in competitive sports : From theory to clinical screening-a review from the MiSpEx network]

BACKGROUND

Lumbar back pain and the high risk of chronic complaints is not only an important health concern in the general population but also in high performance athletes. In contrast to non-athletes, there is a lack of research into psychosocial risk factors in athletes. Moreover, the development of psychosocial screening questionnaires that would be qualified to detect athletes with a high risk of chronicity is in the early stages. The purpose of this review is to give an overview of research into psychosocial risk factors in both populations and to evaluate the performance of screening instruments in non-athletes.

METHODS

The databases MEDLINE, PubMed, and PsycINFO were searched from March to June 2016 using the keywords "psychosocial screening", "low back pain", "sciatica" and "prognosis", "athletes". We included prospective studies conducted in patients with low back pain with and without radiation to the legs, aged ≥18 years and a follow-up of at least 3 months.

RESULTS

We identified 16 eligible studies, all of them conducted in samples of non-athletes. Among the most frequently published screening questionnaires, the Örebro Musculoskeletal Pain Screening Questionnaire (ÖMPSQ) demonstrated a sufficient early prediction of return to work and the STarT Back Screening Tool (SBT) revealed acceptable performance predicting pain-related impairment. The prediction of future pain was sufficient with the Risk Analysis of Back Pain Chronification (RISC-BP) and the Heidelberg Short Questionnaire (HKF).

CONCLUSION

Psychosocial risk factors of chronic back pain, such as chronic stress, depressive mood, and maladaptive pain processing are becoming increasingly more recognized in competitive sports. Screening instruments that have been shown to be predictive in the general population are currently being tested for suitability in the German MiSpEx research consortium.

What low back pain is and why we need to pay attention

Low back pain is a very common symptom. It occurs in high-income, middle-income, and low-income countries and all age groups from children to the elderly population. Globally, years lived with disability caused by low back pain increased by 54% between 1990 and 2015, mainly because of population increase and ageing, with the biggest increase seen in low-income and middle-income countries. Low back pain is now the leading cause of disability worldwide. For nearly all people with low back pain, it is not possible to identify a specific nociceptive cause. Only a small proportion of people have a well understood pathological cause-eg, a vertebral fracture, malignancy, or infection. People with physically demanding jobs, physical and mental comorbidities, smokers, and obese individuals are at greatest risk of reporting low back pain. Disabling low back pain is over-represented among people with low socioeconomic status. Most people with new episodes of low back pain recover quickly; however, recurrence is common and in a small proportion of people, low back pain becomes persistent and disabling. Initial high pain intensity, psychological distress, and accompanying pain at multiple body sites increases the risk of persistent disabling low back pain. Increasing evidence shows that central pain-modulating mechanisms and pain cognitions have important roles in the development of persistent disabling low back pain. Cost, health-care use, and disability from low back pain vary substantially between countries and are influenced by local culture and social systems, as well as by beliefs about cause and effect. Disability and costs attributed to low back pain are projected to increase in coming decades, in particular in low-income and middle-income countries, where health and other systems are often fragile and not equipped to cope with this growing burden. Intensified research efforts and global initiatives are clearly needed to address the burden of low back pain as a public health problem.

A scoping review of biopsychosocial risk factors and co-morbidities for common spinal disorders

OBJECTIVE

The purpose of this review was to identify risk factors, prognostic factors, and comorbidities associated with common spinal disorders.

METHODS

A scoping review of the literature of common spinal disorders was performed through September 2016. To identify search terms, we developed 3 terminology groups for case definitions: 1) spinal pain of unknown origin, 2) spinal syndromes, and 3) spinal pathology. We used a comprehensive strategy to search PubMed for meta-analyses and systematic reviews of case-control studies, cohort studies, and randomized controlled trials for risk and prognostic factors and cross-sectional studies describing associations and comorbidities.

RESULTS

Of 3,453 candidate papers, 145 met study criteria and were included in this review. Risk factors were reported for group 1: non-specific low back pain (smoking, overweight/obesity, negative recovery expectations), non-specific neck pain (high job demands, monotonous work); group 2: degenerative spinal disease (workers' compensation claim, degenerative scoliosis), and group 3: spinal tuberculosis (age, imprisonment, previous history of tuberculosis), spinal cord injury (age, accidental injury), vertebral fracture from osteoporosis (type 1 diabetes, certain medications, smoking), and neural tube defects (folic acid deficit, anti-convulsant medications, chlorine, influenza, maternal obesity). A range of comorbidities was identified for spinal disorders.

CONCLUSION

Many associated factors for common spinal disorders identified in this study are modifiable. The most common spinal disorders are co-morbid with general health conditions, but there is a lack of clarity in the literature differentiating which conditions are merely comorbid versus ones that are risk factors. Modifiable risk factors present opportunities for policy, research, and public health prevention efforts on both the individual patient and community levels. Further research into prevention interventions for spinal disorders is needed to address this gap in the literature.

Effectiveness of three interventions for secondary prevention of low back pain in the occupational health setting - a randomised controlled trial with a natural course control

BACKGROUND

We assessed the effectiveness of three interventions that were aimed to reduce non-acute low back pain (LBP) related symptoms in the occupational health setting.

METHODS

Based on a survey (n = 2480; response rate 71%) on LBP, we selected a cohort of 193 employees who reported moderate LBP (Visual Analogue Scale VAS > 34 mm) and fulfilled at least one of the following criteria during the past 12 months: sciatica, recurrence of LBP ≥ 2 times, LBP ≥ 2 weeks, or previous sickness absence. A random sample was extracted from the cohort as a control group (Control, n = 50), representing the natural course of LBP. The remaining 143 employees were invited to participate in a randomised controlled trial (RCT) of three 1:1:1 allocated parallel intervention arms: multidisciplinary rehabilitation (Rehab, n = 43); progressive exercises (Physio, n = 43) and self-care advice (Advice, n = 40). Seventeen employees declined participation in the intervention. The primary outcome measures were physical impairment (PHI), LBP intensity (Visual Analogue Scale), health related quality of life (QoL), and accumulated sickness absence days. We imputed missing values with multiple imputation procedure. We assessed all comparisons between the intervention groups and the Control group by analysing questionnaire outcomes at 2 years with ANOVA and sickness absence at 4 years by using negative binomial model with a logarithmic link function.

RESULTS

Mean differences between the Rehab and Control groups were - 3 [95% CI -5 to - 1] for PHI, - 13 [- 24 to - 1] for pain intensity, and 0.06 [0.00 to 0.12] for QoL. Mean differences between the Physio and Control groups were - 3 [95% CI -5 to - 1] for PHI, - 13 [- 29 to 2] for pain intensity, and 0.07 [0.01 to 0.13] for QoL. The main effects sizes were from 0.4 to 0.6. The interventions were not effective in reducing sickness absence.

CONCLUSIONS

Rehab and Physio interventions improved health related quality of life, decreased low back pain and physical impairment in non-acute, moderate LBP, but we found no differences between the Advice and Control group results. No effectiveness on sickness absence was observed.

TRIAL REGISTRATION

Number NCT00908102 Clinicaltrials.gov.

The Relationship Between Fear-Avoidance and Objective Biomechanical Measures of Function in Patients With Adult Degenerative Scoliosis

STUDY DESIGN

A prospective cohort study.

OBJECTIVE

The current study utilized quantitative gait analysis to examine the relationship of fear-avoidance beliefs to gait patterns in patients with adult degenerative scoliosis (ADS).

SUMMARY OF BACKGROUND DATA

Among patients with chronic spine pain, fear-avoidance beliefs are predictive of behavioral deficiencies, poor work, and surgery outcomes. The impact of such beliefs on patients with major spinal deformity has yet to be investigated. Patients with ADS have previously been shown to have an altered gait pattern. Utilizing quantified gait analysis, this study aims to examine correlations between fear-avoidance and various aspects of gait in patients with ADS.

METHODS

Twenty-five ADS patients completed the Tampa Scale for Kinesiophobia (TSK) questionnaire and the Fear Avoidance Beliefs Questionnaire (FABQ). Each patient performed a series of overground gait trials at a self-selected comfortable speed. Pearson product correlation analysis was used to determine the relationship between the self-reported fear of movement measures and the objective gait analysis biomechanical data.

RESULTS

TSK score correlated strongly with gait speed, stride, step, double support times, and step length, and correlated moderately with cadence, and stride length. The FABQ physical portion strongly correlated with stride length and step length. The FABQ physical portion was moderately correlated with gait speed and single support time. The FABQ work portion was correlated with stride length and step length.

CONCLUSION

This study demonstrates a strong correlation between biomechanical gait parameters, as measured with gait analysis, and fear-avoidance of movement, as measured with the TSK and FABQ. Further, it demonstrates that quantified gait analysis can be a useful tool to evaluate patients with spine deformity and to assess the outcomes of treatments in this group of patients. This study extends previous research on the role of fear-avoidance to include patients with spinal deformity.

LEVEL OF EVIDENCE

3.

Prevalence and Correlates of Low Pain Interference Among Patients With High Pain Intensity Who Are Prescribed Long-Term Opioid Therapy

The pain experience may vary greatly among individuals reporting equally high levels of pain. We sought to examine the demographic and clinical characteristics associated with pain interference in patients with high pain intensity. Among patients with chronic musculoskeletal pain who were prescribed long-term opioid therapy and who were recruited from 2 health care systems, we identified a subset who reported high pain intensity (n = 189). All individuals completed self-report assessments of clinical and demographic factors. Analyses examined characteristics associated with pain interference. Within this group of patients with high reported pain intensity, 16.4% (n = 31) had low pain interference, 39.2% (n = 74) had moderate pain interference, and 44.4% (n = 84) had high pain interference. In bivariate analyses, patients with lower pain interference had fewer symptoms of depression and anxiety, less pain catastrophizing, a better quality of life, and greater self-efficacy for managing pain. In multivariate analyses, variables most strongly associated with low pain interference, relative to high interference, were depression severity (odds ratio 0.90; 95% confidence interval 0.82-0.99) and pain self-efficacy (odds ratio 1.07; 95% confidence interval 1.02-1.12). Study results suggest that chronic pain treatments that address symptoms of depression and enhance pain self-efficacy may be prioritized, particularly among patients who are prescribed long-term opioid therapy.

PERSPECTIVE

This article describes the prevalence and correlates of pain interference categories (low, medium, and high) among patients with high pain intensity who are prescribed long-term opioid therapy. Findings reveal that 16.4% of participants with high pain intensity had low impairment. Multivariate analyses indicate that variables significantly associated with low pain interference were lower depression scores and greater pain self-efficacy.

Identifying Subgroups of Patients With Chronic Nonspecific Low Back Pain Based on a Multifactorial Approach: Protocol For a Prospective Study

Background

Low back pain, especially nonspecific chronic low back pain (LBP), the leading cause of disability worldwide, represents both social and economic problems. Different therapeutic management techniques can be used, but their effects vary. Clinicians and researchers attribute the variation in the efficacy of therapeutic and management techniques to the heterogeneity of the nonspecific chronic low back pain population, and they agree that nonspecific chronic LBP must be subgrouped.

Objective

This study aims to identify nonspecific chronic LBP subgroups based on a multifactorial approach, including biomechanical, physical, and psychosocial data.

Methods

A total of 100 nonspecific chronic LBP patients and 30 healthy participants aged between 18 and 60 years will be recruited for this prospective study. A psychosocial profile will be established using questionnaires on anxiety, depression, functional disability, pain, fear of pain, avoidance belief, and physical activity. A physical capacity evaluation will be conducted. It will evaluate flexibility of the hips, lumbar spine, and lateral thoracolumbar segment, as well as trunk (extensor and flexor) muscle endurance. The subjects will perform functional daily life activities, such as walking, object lifting, forward bending, sit-to-stand, stand-to-sit, balance, and usual postures. Full body kinematics, kinetics, and surface electromyography of the trunk and hip muscles will be assessed during these tasks. The clustering classification methods for the statistical analysis will be determined according to the data and will be used to identify the subgroups of nonspecific chronic LBP patients.

Results

Data collection started in September 2017 and will be completed with the inclusion of all the participants (100 nonspecific chronic LBP and 30 control). The study results will be published in peer-reviewed journals and presented at relevant international conferences.

Conclusions

Numerous studies have showed that the therapeutic management of nonspecific chronic LBP is difficult and has inconstant effects caused by the complexity and heterogeneity of nonspecific chronic LBP. Identifying subgroups with a multifactorial approach is more comprehensive and closer to the pathophysiology of nonspecific chronic LBP. It also represents benefit interests and a challenge both clinically and socially. The perspective of this study is expected to support clinicians for a more adapted therapeutic management for each subgroup.

Mediators of Treatment Effect in the Back In Action Trial: Using Latent Growth Modeling to Take Change Over Time Into Account

Objectives:

To test whether change in fear-avoidance beliefs was a mediator of the effect of treatment on disability outcome, and to test an analytical approach, latent growth modeling, not often applied to mediation analysis.

Methods:

Secondary analysis was carried out on a randomized controlled trial designed to compare an intervention addressing fear-avoidance beliefs (n=119) with treatment as usual (n=121) for patients with low back pain, which found the intervention to be effective. Latent growth modelling was used to perform a mediation analysis on the trial data to assess the role of change in fear-avoidance beliefs on disability outcome. The product of coefficients with bias-corrected bootstrapped confidence intervals was used to calculate the mediating effect.

Results:

A statistically significant mediating effect of fear-avoidance beliefs on the effect of treatment on disability outcome was found (standardized indirect effect −0.35; bias-corrected 95% CI, −0.47 to −0.24). Poor fit of the model to the data suggested that other factors not accounted for in this model are likely to be part of the same mediating pathway.

Discussion:

Fear-avoidance beliefs were found to mediate the effect of treatment on disability outcome. Measurement of all potential mediator variables in future studies would help to more strongly identify which factors explain observed treatment effects. Latent growth modelling was found to be a useful technique to apply to studies of treatment mediation, suggesting that future studies could use this approach.

Role of kinesiophobia on pain, disability and quality of life in people suffering from chronic musculoskeletal pain: a systematic review

Objective

(1) To explore the level of association between kinesiophobia and pain, disability and quality of life in people with chronic musculoskeletal pain (CMP) detected via cross-sectional analysis and (2) to analyse the prognostic value of kinesiophobia on pain, disability and quality of life in this population detected via longitudinal analyses.

Design

A systematic review of the literature including an appraisal of the risk of bias using the adapted Newcastle Ottawa Scale. A synthesis of the evidence was carried out.

Data sources

An electronic search of PubMed, AMED, CINAHL, PsycINFO, PubPsych and grey literature was undertaken from inception to July 2017.

Eligibility criteria for selecting studies

Observational studies exploring the role of kinesiophobia (measured with the Tampa Scale for Kinesiophobia) on pain, disability and quality of life in people with CMP.

Results

Sixty-three articles (mostly cross-sectional) (total sample=10 726) were included. We found strong evidence for an association between a greater degree of kinesiophobia and greater levels of pain intensity and disability and moderate evidence between a greater degree of kinesiophobia and higher levels of pain severity and low quality of life. A greater degree of kinesiophobia predicts the progression of disability overtime, with moderate evidence. A greater degree of kinesiophobia also predicts greater levels of pain severity and low levels of quality of life at 6 months, but with limited evidence. Kinesiophobia does not predict changes in pain intensity.

Summary/conclusions

The results of this review encourage clinicians to consider kinesiophobia in their preliminary assessment. More longitudinal studies are needed, as most of the included studies were cross-sectional in nature.

Trial registration number

CRD42016042641.

The Standardised Mensendieck Test as a tool for evaluation of movement quality in patients with nonspecific chronic low back pain

Background and aims:

Nonspecific chronic low back pain is a multifactorial biopsychosocial health problem where accurate assessments of pain, function and movement are vital. There are few reliable and valid assessment tools evaluating movement quality, hence the aim was to investigate nonspecific chronic low back pain patients’ movement patterns with the Standardised Mensendieck Test.

Methods:

Twenty patients (mean age=41, SD=9.02) with nonspecific chronic low back pain were examined with the Standardised Mensendieck Test whilst being videotaped and compared with 20 healthy controls. A physiotherapist, blinded to participant’s group belonging, scored Standardised Mensendieck Test videos according to the standardised manual. Associations between movement quality, fear of movement and re(injury) i.e. kinesiophobia and pain intensity were also investigated.

Results:

Patients scored significantly poorer than the controls in all 5 Standardised Mensendieck Test domains (p<0.001). The biggest difference was observed with regard to movement pattern domain. In women we also found a difference in the respiration pattern domain.

Conclusions:

The Standardised Mensendieck Test was able to detect significant differences in quality of movement between patients and healthy controls. These results indicate that the Standardised Mensendieck Test may be a valuable examination tool in assessment and treatment of nonspecific chronic low back pain patients. Further, longitudinal studies should investigate whether poor movement and respiration patterns are important factors in nonspecific chronic low back pain, e.g. as predictors and/or mediators of therapeutic effects.

Trajectories of Fear-Avoidance Beliefs on Physical Activity Over Two Years in People With Rheumatoid Arthritis

Objective

To identify and describe 2‐year trajectories of fear‐avoidance beliefs on physical activity and to identify predictors of these trajectories in people with rheumatoid arthritis (RA).

Methods

We included 2,569 persons with RA (77% women, mean age 58 years). Data on fear‐avoidance beliefs (Fear‐Avoidance Beliefs Questionnaire physical activity subscale [FABQ‐PA]; range 0–24), sociodemographics, disease‐related variables, self‐efficacy, and health‐enhancing physical activity (HEPA) were collected from registers and by questionnaires at baseline, 14, and 26 months. K‐means cluster analysis was used to identify fear‐avoidance trajectories, and multinomial logistic regression was used to identify predictors of trajectory membership.

Results

Three trajectories of fear‐avoidance beliefs were identified: low (n = 1,060, mean FABQ‐PA = 3), moderate (n = 1,043, mean FABQ‐PA = 9), and high (n = 466, mean FABQ‐PA = 15). Consistent predictors of being in the high fear‐avoidance trajectory versus the other 2 trajectories were high activity limitation, male sex, income below average, not performing current HEPA, and elevated anxiety/depression. In addition, less consistent predictors such as shorter education, more pain, and low exercise self‐efficacy were also identified.

Conclusion

Stable trajectories of fear‐avoidance beliefs on physical activity exist among people with RA. Fear‐avoidance may be targeted more effectively by tailoring physical activity promotion to vulnerable socioeconomic groups, men, and those with high activity limitation and anxiety/depression.

Exercise combined with Acceptance and Commitment Therapy (ExACT) compared to a supervised exercise programme for adults with chronic pain: study protocol for a randomised controlled trial

Background

Acceptance and Commitment Therapy (ACT) is a form of cognitive behavioural therapy, which may be beneficial for people with chronic pain. The approach aims to enhance daily functioning through increased psychological flexibility. Whilst the therapeutic model behind ACT appears well suited to chronic pain, there is a need for further research to test its effectiveness in clinical practice, particularly with regards to combining ACT with physical exercise.

Methods/design

This prospective, two-armed, parallel-group, single-centre randomised controlled trial (RCT) will assess the effectiveness of a combined Exercise and ACT programme, in comparison to supervised exercise for chronic pain. One hundred and sixty patients, aged 18 years and over, who have been diagnosed with a chronic pain condition by a physician will be recruited to the trial. Participants will be individually randomised to one of two 8-week, group interventions. The combined group will take part in weekly psychology sessions based on the ACT approach, in addition to supervised exercise classes led by a physiotherapist. The control group will attend weekly supervised exercise classes but will not take part in an ACT programme. The primary outcome will be pain interference at 12-week follow-up, measured using the Brief Pain Inventory-Interference Scale. Secondary outcomes will include self-reported pain severity, self-perception of change, patient satisfaction, quality of life, depression, anxiety and healthcare utilisation. Treatment process measures will include self-efficacy, pain catastrophising, fear avoidance, pain acceptance and committed action. Physical activity will be measured using Fitbit Zip^TM activity trackers. Both groups will be followed up post intervention and again after 12 weeks. Estimates of treatment effects at follow-up will be based on an intention-to-treat framework, implemented using a linear mixed-effects model. Individual and focus group qualitative interviews will be undertaken with a purposeful sample of participants to explore patient experiences of both treatments.

Discussion

To our knowledge, this will be the first RCT to examine whether combining exercise with ACT produces greater benefit for patients with chronic pain, compared to a standalone supervised exercise programme.

Trial registration

www.ClinicalTrials.gov, ID: NCT03050528. Registered on 13 February 2017.

Electronic supplementary material

The online version of this article (10.1186/s13063-018-2543-5) contains supplementary material, which is available to authorized users.

Systematic review: psychosocial factors associated with pain in inflammatory bowel disease

BACKGROUND

Pain is a frequently reported symptom of inflammatory bowel disease (IBD) experienced by patients in active disease and remission. Psychological factors play a significant role in pain, but have not been systematically reviewed in IBD.

AIM

To review psychosocial factors associated with pain in adults diagnosed with IBD.

METHODS

Electronic (PsycInfo, MEDLINE, EMBASE, Cochrane Library, CINAHL, Web of Science), and hand-searching were conducted February-May 2017. Two authors carried out screening and data extraction.

RESULTS

Fifteen studies including 5539 IBD patients were identified. Emotional, cognitive-behavioural and personality factors were associated with IBD-pain. Depression and anxiety were the most commonly explored constructs, followed by perceived stress and pain catastrophising, all of which were positively associated with greater pain. Greater abdominal pain was associated with a concurrent mood disorder over fivefold (OR 5.76, 95% CI 1.39, 23.89). Coping strategies and pain fear avoidance correlated with pain levels. Perceived social support (r = .26) and internal locus of control (r = .33) correlated with less pain. Patients reporting pain in IBD remission more frequently had an existing diagnosis of a mood disorder, a chronic pain disorder and irritable bowel syndrome. Six studies controlled for disease activity, of which 4 found that psychosocial factors significantly predicted pain. The majority of studies (n = 10) were of high quality.

CONCLUSION

Psychosocial factors appear to play a significant role in IBD-pain. Further research is required to explore psychosocial constructs in relation to IBD-pain, with use of validated pain measures, large sample sizes and clearer characterisation of disease activity.

Use of Pain Neuroscience Education, Tactile Discrimination, and Graded Motor Imagery in an Individual With Frozen Shoulder

Study Design Case report. Background Aggressive physical therapy in the freezing stage of frozen shoulder may prolong the course of recovery. Central sensitization may play a role in the early stages of frozen shoulder. Pain neuroscience education, tactile discrimination, and graded motor imagery have been used in a number of conditions with central sensitization. The purpose of this case report was to describe the examination and treatment of a patient in the freezing stage of frozen shoulder using pain neuroscience education, tactile discrimination, and graded motor imagery. Case Description A 54-year-old woman with a diagnosis of frozen shoulder was referred by an orthopaedic surgeon following lack of progress after 4 weeks of intensive daily physical therapy. Pain at rest was 7/10, and her Shoulder Pain and Disability Index score was 64%. She had painful and limited active range of motion and elevated fear-avoidance beliefs. Tactile discrimination and limb laterality were impaired, with signs of central sensitization. A "top-down" approach using pain neuroscience education, tactile discrimination, and graded motor imagery was used for the first 6 weeks, followed by a "bottom-up" impairment-based approach. Outcomes The patient was seen for 20 sessions over 12 weeks. At discharge, her Shoulder Pain and Disability Index score was 22%, resting pain was 0/10, and fear-avoidance beliefs improved. Improvements in active range of motion, laterality, and tactile discrimination were also noted. Discussion Intensive physical therapy in the freezing stage of frozen shoulder may be detrimental to long-term outcomes. This case report suggests that a top-down approach may allow a quicker transition through the freezing stage of frozen shoulder. Level of Evidence Therapy, level 5. J Orthop Sports Phys Ther 2018;48(3):174-184. Epub 19 Dec 2017. doi:10.2519/jospt.2018.7716.

The Influence of Self-Efficacy, Fear-Avoidance Belief, and Coping Styles on Quality of Life for Chinese Patients with Chronic Nonspecific Low Back Pain: A Multisite Cross-Sectional Study

BACKGROUND

As a bio-psycho-social issue, chronic low back pain (CLBP) has been a significant topic in health management, and patients' quality of life (QOL) is gaining extensive attention. Self-efficacy, pain fear-avoidance belief (FAB), and coping styles play important roles in the QOL of CLBP patients. However, it remains unclear how self-efficacy and FAB influence QOL through specific coping styles. This study aimed to explore the influencing paths of self-efficacy, FAB, and coping styles on the QOL of patients with CLBP.

METHODS

This study relies on a multisite, cross-sectional design involving 221 CLBP patients. Stepwise multiple regression and structural equation modeling were employed.

RESULTS

CLBP patients lived with a poor global QOL. Self-efficacy played a direct, positive role in predicting QOL for patients with CLBP (β = 0.35), and it also played an indirect, positive role in predicting QOL (β = 0.19) through active coping styles (β = 0.31). FAB played a direct, negative role in predicting QOL (β = -0.33), and it also played an indirect, negative role in predicting QOL (β = -0.32) through passive coping styles (β = 0.32).

CONCLUSIONS

Self-efficacy and FAB are both directly and indirectly related to global QOL, and coping styles are important mediating variables. Self-efficacy and active coping are protective factors for the QOL of CLBP patients, while FAB and passive coping are risk factors. Health education strategies are recommended by medical personnel to enhance CLBP patients' pain self-efficacy, decrease pain FAB, and modify pain coping styles, so that their global QOL can be improved.

[Clinical-demographic factors associated with fear-avoidance in subjects with non-specific chronic low back pain in Primary Care: secondary analysis of intervention study]

Objetivo

Describir algunas características sociodemográficas y clínicas de los sujetos con lumbalgia crónica inespecífica (LCI) atendidos habitualmente en atención primaria (AP), así como investigar su asociación con el miedo-evitación (ME).

Diseño

Descriptivo transversal. Análisis secundario de estudio de intervención.

Emplazamiento

Zonas Básicas de Salud del Distrito Sanitario de AP Costa del Sol (Málaga).

Participantes

Un total de 147 sujetos con LCI extraídos de la base de datos de un estudio de intervención previo en fisioterapia de AP. Características: edad, 18-65 años; comprensión del idioma español; ausencia de deterioro cognitivo, ausencia de fibromialgia, ausencia de cirugía dorsolumbar, y tolerancia al ejercicio físico.

Mediciones principales

La variable principal fue el ME (FABQ y subescalas FABQ-PA y FABQ-W); las variables clínicas incluyeron: dolor (NRPS-11), discapacidad (RMQ), tiempo de evolución, tratamientos previos y diagnósticos de imagen; las variables sociodemográficas incluyeron: sexo, edad, nivel educativo y situación laboral.

Resultados

El 51,7% de los sujetos presentaron elevado ME con la escala FABQ-PA. Incapacidad temporal (IT) [β = 24,45 (p = 0,009^*); β = 13,03 (p = 0,016^*); β = 14,04 (p = 0,011^*) para FABQ, FABQ-PA y FABQ-W, respectivamente]; estudios primarios [β = 15,09 (p = 0,01^*); β = 9,73 (p = 0,01^*) para FABQ y FABQ-PA], y discapacidad [β = 1,45 (p < 0,001); β = 0,61 (p < 0,001); β = 0,68 (p < 0,001) para FABQ, FABQ-PA y FABQ-W, respectivamente] aparecieron asociados al ME cuando fueron modelados por regresión multivariante.

Conclusiones

Algunos rasgos sociodemográficos y clínicos de la población con LCI son presentados. Las pruebas de imagen (81,63%) y los tratamientos previos pasivos (55,78%) podrían reflejar problemas de adherencia a las recomendaciones de las GPC. IT, estudios primarios y discapacidad se asociaron al ME. Los hallazgos deben ser interpretados a la luz de las posibles limitaciones. Algunas sugerencias para la práctica clínica son aportadas.

The experience of living with patellofemoral pain-loss, confusion and fear-avoidance: a UK qualitative study

OBJECTIVES

To investigate the experience of living with patellofemoral pain (PFP).

DESIGN

Qualitative study design using semistructured interviews and analysed thematically using the guidelines set out by Braun and Clarke.

SETTING

A National Health Service physiotherapy clinic within a large UK teaching hospital.

PARTICIPANTS

A convenience sample of 10 participants, aged between 18 and 40 years, with a diagnosis of PFP and on a physiotherapy waiting list, prior to starting physiotherapy.

RESULTS

Participants offered rich and detailed accounts of the impact and lived experience of PFP, including loss of physical and functional ability; loss of self-identity; pain-related confusion and difficulty making sense of their pain; pain-related fear, including fear-avoidance and 'damage' beliefs; inappropriate coping strategies and fear of the future. The five major themes that emerged from the data were: (1) impact on self; (2) uncertainty, confusion and sense making; (3) exercise and activity beliefs; (4) behavioural coping strategies and (5) expectations of the future.

CONCLUSIONS

These findings offer an insight into the lived experience of individuals with PFP. Previous literature has focused on pain and biomechanics, rather than the individual experience, attached meanings and any wider context within a sociocultural perspective. Our findings suggest that future research is warranted into biopsychosocial targeted interventions aimed at the beliefs and pain-related fear for people with PFP. The current consensus that best-evidence treatments consisting of hip and knee strengthening may not be adequate to address the fears and beliefs identified in the current study. Further qualitative research may be warranted on the impact and interpretation of medical terminology commonly used with this patient group, for example, 'weakness' and 'patellar mal-tracking' and its impact and interpretation by patients.

TRIAL REGISTRATION NUMBER

ISRCTN35272486; Pre-results.

Factors associated with the prevalence of back pain and work absence in shipyard workers

Background

We conducted a questionnaire survey of shipyard workers to identify difficulties experienced due to orthopedic or musculoskeletal disorders.

Methods

The subjects were 375 workers (male, 361; female, 14) who worked for a single shipbuilding company. Questionnaire items covered the working environment, including work environment, working posture, and the weight of objects that the subject dealt with, as well as physical and lifestyle characteristics, namely smoking habits, drinking habits, sleeping hours, medications, exercise habits, and any weight gain of 20 kg or more since the age of 20. Subjects were also asked to indicate if they regularly experienced any of 17 listed difficulties in their daily lives, and to use an illustration of the human body to mark any body parts that were painful or hard to move.

Results

The mean age was 41.8 years (19–73 years). The lower and/or upper back was the most frequent site of pain (46.5%), followed by the shoulders (11.4%), knees (9.6%), and neck (5.3%). Maintaining a half-sitting posture was the most problematic activity of daily living. Back pain was less frequent in subjects who exercised regularly, and more common in those who worked with heavy loads or in narrow spaces. A multinomial logistic regression analysis showed that absence from work was more common in subjects with back pain who had gained weight since their youth, who smoked, who used fire while welding metal, or who worked in a lying posture. While 35.4% of subjects had experienced absence from work due to musculoskeletal pain, only 5.1% were permitted by their employer to alter their work content or reduce their workload.

Conclusions

These results indicate that a large number of shipyard workers have difficulties in their work and daily life activities due to back pain. To prevent worsening of pain and to reduce work absence, it is important to provide appropriate training to minimize the risk factors for back pain that were identified in this study.

Experiences and attitudes about physical activity and exercise in patients with chronic pain: a qualitative interview study

Purpose

The purpose of this study was to describe how patients with chronic pain experience physical activity and exercise (PA&E).

Method

This qualitative interview study included 16 women and two men suffering from chronic pain and referred to a multimodal pain rehabilitation program. Semi-structured interviews were conducted and qualitative content analysis was used to analyze the interviews.

Results

One main theme emerged: "To overcome obstacles and to seize opportunities to be physically active despite chronic pain." This main theme was abstracted from five themes: "Valuing a life with physical activity," "Physical activity and exercise - before and after pain," "A struggle - difficulties and challenges," "The enabling of physical activity," and "In need of continuous and active support."

Conclusion

Although these participants valued PA&E, they seldom achieved desirable levels, and performance of PA&E was undermined by difficulties and failure. The discrepancy between the intention to perform physical activity and the physical activity accomplished could be related to motivation, self-efficacy, and action control. The participants desired high-quality interaction with healthcare providers. The findings can be applied to chronic pain rehabilitation that uses PA&E as treatment.

The effects of a standardized belly dance program on perceived pain, disability, and function in women with chronic low back pain

BACKGROUND

An alternative approach to facilitate movement and control through the trunk and pelvis is belly dancing. Investigations of belly dancing mechanics indicate similar muscular activation patterns of those known to influence chronic low back pain (cLBP). However, no documented studies have examined its effectiveness as a treatment for cLBP.

OBJECTIVE

The purpose of this study was to investigate the influence of a standardized belly dance program in women with cLBP.

METHODS

A single subject design was used to evaluate weekly outcomes during a three-week baseline period, six-week belly dance program, and again at a two-month follow-up. Outcome measures for pain, disability, function, and fear-avoidance beliefs were utilized.

RESULTS

Two subjects completed the program. No significant differences were noted during the baseline assessment period. At two months, subject one demonstrated change scores of -1.12, -1%, and 2.2 for pain, disability, and function respectively while subject two demonstrated change scores of 5.4, 5%, and 1.1 for pain, disability, and function, respectively. Subject one showed a clinically significant change score for both fear avoidance of work and physical activity, with score changes of 4 and 3.3, respectively.

CONCLUSION

The results of this study suggest a standardized belly dance program may positively influence pain and function in women with cLBP.

A pilot study to determine the effect of one physical therapy session on physical activity levels for individuals with chronic low back pain

Background

A pilot study was conducted to quantify the effect size of changes in physical activity after of one session of physical therapy for individuals with chronic low back pain and to determine factors that predict daily sedentary activity time.

Methods

Fourteen subjects with at least 3 days of physical activity accelerometer data were analyzed before and after one session of physical therapy. Data was analyzed using 1-tailed, paired t-tests with level of significance set at 0.05. Effect sizes were computed using the baseline and post intervention mean differences divided by the baseline and post-intervention differences in the standard deviation.

Results

A nonsignificant reduction in steps-per-day and time spent performing sedentary activities, with increases in light and moderate–vigorous physical activity were found (effect size: 0.15–0.33). A nonsignificant decrease in daily sitting and standing time 1 week immediately following the physical therapy session and an increase in daily lying time (p = 0.03) (effect size: 0.23–0.69) were found.

Conclusion

One physical therapy session resulted in a small physical activity change for individuals with chronic low back pain. Baseline and post intervention levels of pain catastrophisation and perceptions of disability need to be explored in future studies to determine if these are factors that influence levels of physical activity change for these individuals Results are limited by the small sample size, however the ability to increase physical activity in this population may be of clinical relevance.

Trial Registration NCT02823756; June 30, 2016: Retrospectively Registered

Electronic supplementary material

The online version of this article (10.1186/s13104-017-3006-x) contains supplementary material, which is available to authorized users.

Self-efficacy and paradoxical dependence in chronic back pain: A qualitative analysis

Objectives Patients with chronic back pain encounter considerable psychological and social challenges. In particular, the ever-evolving relationship between chronic back pain, sense of self-efficacy, and perceived role in interpersonal relationships merits further investigation. Methods We conducted in-person semi-structured interviews with 20 adult patients attending a specialized interventional spine pain clinic. The interview transcripts were subjected to inductive thematic analysis, and themes were labeled descriptively. Participant responses were intentionally not analyzed within the context of an existing theoretical framework, so that the content of participant responses would directly drive the emphasis of the findings. Results Participants described chronic back pain as a lonely struggle amid diminished capacity to work, enjoy leisure time, and contribute to social relationships. Feelings of needing to handle pain independently contrasted with the reality of having to rely on others for help, and this tension was a source of anxiety. Discussion The experience of chronic back pain was characterized by a conflict between the desire for self-efficacy, a sense of isolation, and the paradoxical need to rely on others. Interventions that allow patients to navigate this struggle by seeking help for their diminished capability, while retaining a sense of autonomy and self-worth, are indicated.

Individuals' explanations for their persistent or recurrent low back pain: a cross-sectional survey

BACKGROUND

Most people experience low back pain (LBP), and it is often ongoing or recurrent. Contemporary research knowledge indicates individual's pain beliefs have a strong effect on their pain experience and management. This study's primary aim was to determine the discourses (patterns of thinking) underlying people's beliefs about what causes their LBP to persist. The secondary aim was to investigate what they believed was the source of this thinking.

METHODS

We used a primarily qualitative survey design: 130 participants answered questions about what caused their LBP to persist, and where they learned about these causes. We analysed responses about what caused their LBP using discourse analysis (primary aim), and mixed methods involving content analysis and descriptive statistics to analyse responses indicating where participants learnt these beliefs (secondary aim).

RESULTS

We found that individuals discussed persistent LBP as 1) due to the body being like a 'broken machine', 2) permanent/immutable, 3) complex, and 4) very negative. Most participants indicated that they learnt these beliefs from health professionals (116, 89%).

CONCLUSIONS

We concluded that despite continuing attempts to shift pain beliefs to more complex biopsychosocial factors, most people with LBP adhere to the traditional biomedical perspective of anatomical/biomechanical causes. Relatedly, they often see their condition as very negative. Contrary to current "best practice" guidelines for LBP management, a potential consequence of such beliefs is an avoidance of physical activities, which is likely to result in increased morbidity. That health professionals may be the most pervasive source of this thinking is a cause for concern. A small number of people attributed non-physical, unknown or complex causes to their persistent LBP - indicating that other options are possible.

The Key Role of Pain Catastrophizing in the Disability of Patients with Acute Back Pain

PURPOSE

This study investigated the role of anxiety sensitivity, resilience, pain catastrophizing, depression, pain fear-avoidance beliefs, and pain intensity in patients with acute back pain-related disability.

METHOD

Two hundred and thirty-two patients with acute back pain completed questionnaires on anxiety sensitivity, resilience, pain catastrophizing, fear-avoidance beliefs, depression, pain intensity, and disability.

RESULTS

A structural equation modelling analysis revealed that anxiety sensitivity was associated with pain catastrophizing, and resilience was associated with lower levels of depression. Pain catastrophizing was positively associated with fear-avoidance beliefs and pain intensity. Depression was associated with fear-avoidance beliefs, but was not associated with pain intensity. Finally, catastrophizing, fear-avoidance beliefs, and pain intensity were positively and significantly associated with acute back pain-related disability.

CONCLUSION

Although fear-avoidance beliefs and pain intensity were associated with disability, the results showed that pain catastrophizing was a central variable in the pain experience and had significant direct associations with disability when pain was acute. Anxiety sensitivity appeared to be an important antecedent of catastrophizing, whereas the influence of resilience on the acute back pain experience was limited to its relationship with depression.

Resilience and Vulnerability Factors When Pain is Acute as Predictors of Disability: Findings From a Two-Year Longitudinal Study

OBJECTIVE

To investigate the predictive power of resilience and vulnerability factors in relation to pain-related disability.

DESIGN

A two-year prospective study investigated whether back pain-related disability was predicted by the following variables, measured when pain was acute: 1) pain-related disability, 2) pain intensity, 3) depression, 4) fear avoidance beliefs, 5) anxiety sensitivity, and 6) resilience.

METHODS

Two hundred thirty-two patients treated in five primary care centers participated in this study. They were assessed at baseline during an acute back pain episode and at six, 12, 18, and 24 months. Ninety-nine patients completed all the assessment sessions. Linear mixed models were used to examine the trajectory of disability across the measurement occasions and its association with the predictors.

RESULTS

Individuals who had higher scores of disability and pain intensity when pain was acute also had higher scores of disability six months later; moreover, the increase in disability was greater over time in comparison with individuals with lower scores in disability and pain intensity when pain was acute. Individuals who had reported greater levels of fear avoidance beliefs when pain was acute also reported greater scores of disability six months later; however, no differences were found in the rate of change in disability. No associations were found between initial disability or rate of change and resilience, anxiety sensitivity, or depression.

CONCLUSIONS

Patients with acute back pain who show high levels of pain-related disability, pain intensity, and fear avoidance beliefs are at risk of developing back pain-related disability and should be the target of a preventive intervention.

The Fear Reduction Exercised Early (FREE) approach to low back pain: study protocol for a randomised controlled trial

BACKGROUND

Low back pain (LBP) is a major health issue associated with considerable health loss and societal costs. General practitioners (GPs) play an important role in the management of LBP; however, GP care has not been shown to be the most cost-effective approach unless exercise and behavioural counselling are added to usual care. The Fear Reduction Exercised Early (FREE) approach to LBP has been developed to assist GPs to manage LBP by empowering exploration and management of psychosocial barriers to recovery and provision of evidence-based care and information. The aim of the Low Back Pain in General Practice (LBPinGP) trial is to explore whether patients with LBP who receive care from GPs trained in the FREE approach have better outcomes than those who receive usual care.

METHODS/DESIGN

This is a cluster randomised controlled superiority trial comparing the FREE approach with usual care for LBP management with investigator-blinded assessment of outcomes. GPs will be recruited and then cluster randomised (in practice groups) to the intervention or control arm. Intervention arm GPs will receive training in the FREE approach, and control arm GPs will continue to practice as usual. Patients presenting to their GP with a primary complaint of LBP will be allocated on the basis of allocation of the GP they consult. We aim to recruit 60 GPs and 275 patients (assuming patients are recruited from 75% of GPs and an average of 5 patients per GP complete the study, accounting for 20% patient participant dropout). Patient participants and the trial statistician will be blind to group allocation throughout the study. Analyses will be undertaken on an intention-to-treat basis. The primary outcome will be back-related functional impairment 6 months post-initial LBP consultation (interim data at 2 weeks, 6 weeks and 3 months), measured with the Roland-Morris Disability Questionnaire. Secondary patient outcomes include pain, satisfaction, quality of life, days off from work and costs of care. Secondary GP outcomes include beliefs about pain and impairment, GP confidence, and actual and reported clinical behaviour. Health economic and process evaluations will be conducted.

DISCUSSION

In the LBPinGP trial, we will investigate providing an intervention during the first interaction a person with back pain has with their GP. Because the FREE approach is used within a normal GP consultation, if effective, it may be a cost-effective means of improving LBP care.

TRIAL REGISTRATION

Australian New Zealand Clinical Trials Registry, ACTRN12616000888460 . Registered on 6 July 2016.

The Role of Self-Efficacy on the Prognosis of Chronic Musculoskeletal Pain: A Systematic Review

Evidence suggests that self-efficacy can play an essential role as a protective factor as well as a mediator in the relationship between pain and disability in people suffering from chronic musculoskeletal pain. This study systematically reviewed and critically appraised the role of self-efficacy on the prognosis of chronic musculoskeletal pain. Study selection was on the basis of longitudinal studies testing the prognostic value of self-efficacy in chronic musculoskeletal pain. The Newcastle-Ottawa Scale, the Cochrane Collaboration's tool, and the Methodological Index for Non-Randomized Studies checklist were used to evaluate the risk of bias of included studies. A total of 27 articles met the inclusion criteria. Our results suggest that higher self-efficacy levels are associated with greater physical functioning, physical activity participation, health status, work status, satisfaction with the performance, efficacy beliefs, and lower levels of pain intensity, disability, disease activity, depressive symptoms, presence of tender points, fatigue, and presenteeism. Despite the low quality of evidence of included studies, clinicians should be encouraged identify people with chronic musculoskeletal pain who present low self-efficacy levels before prescribing any therapy. It may help clinicians in their clinical decision-making and timely and specific consultations with-or referral to-other health care providers.

PERSPECTIVE

This article presents promising results about the role of self-efficacy on the prognosis of chronic musculoskeletal pain. However, because of the low quality of evidence of included studies, these findings should be taken with caution, and further research is needed.

Process of Change in Pain-Related Fear: Clinical Insights From a Single Case Report of Persistent Back Pain Managed With Cognitive Functional Therapy

Study Design Single case report with repeated measures over 18 months. Background Management of persistent low back pain (PLBP) associated with high pain-related fear is complex. This case report aims to provide clinicians with insight into the process of change in a person with PLBP and high bending-related fear, who was managed with an individualized behavioral approach of cognitive functional therapy. Case Description A retired manual worker with PLBP believed that his spine was degenerating, that bending would hurt him, and that avoidance was the only form of pain control. At baseline, he presented high levels of pain-related fear on the Tampa Scale of Kinesiophobia (score, 47/68) and a high-risk profile on the Örebro Musculoskeletal Pain Questionnaire (score, 61/100). Unhelpful beliefs and behaviors led to a vicious cycle of fear and disengagement from valued life activities. Guided behavioral experiments were used to challenge his thoughts and protective responses, indicating that his behavior was modifiable and the pain controllable. Using a multidimensional clinical-reasoning framework, cognitive functional therapy management was tailored to target key drivers of PLBP and delivered over 6 sessions in a 3-month period. Outcomes Over an 18-month clinical journey, he demonstrated improvements in bending-related fear, pain expectancy, and pain experience, and substantial changes in pain-related fear (Tampa Scale of Kinesiophobia: 33/68; change, -14 points) and risk profile (Örebro Musculoskeletal Pain Questionnaire: 36/100; change, -25 points). Clinical interviews at 6 and 18 months revealed positive changes in mindset, understanding of pain, perceived pain control, and behavioral responses to pain. Discussion This case report provides clinicians with an insight to using a multidimensional clinical-reasoning framework to identify and target the key drivers of the disorder, and to using cognitive functional therapy to address unhelpful psychological and behavioral responses to pain in a person with PLBP and high pain-related fear. Level of Evidence Therapy, level 5. J Orthop Sports Phys Ther 2017;47(9):637-651. Epub 13 Jul 2017. doi:10.2519/jospt.2017.7371.