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To evaluate the effectiveness of rehabilitation strategies on disability, pain, pain-related fear, and return-to-work in patients undergoing lumbar fusion surgery for degenerative conditions or adult isthmic spondylolisthesis.Six electronic databases were systematically searched for randomized controlled trials (RCTs) evaluating the effect of rehabilitation (unimodal or multimodal). The estimated effect size was calculated for interventions with homogeneous content using a random-effects model. Certainty of evidence was assessed by GRADE.In total, 18 RCTs, including 1402 unique patients, compared specific rehabilitation to other rehabilitation strategies or usual care. Most described indications were degenerative disc disease and spondylolisthesis. All rehabilitation interventions were delivered in the postoperative period, and six of them also included a preoperative component. Intervention dose and intensity varied between studies (ranging from one session to daily sessions for one month). Usual care consisted mostly of information and postoperative mobilization. At short term, low quality of evidence shows that exercise therapy was more effective for reducing disability and pain than usual care (standardized mean difference [95% CI]: -0.41 [-0.71; -0.10] and -0.36 [-0.65; -0.08], four and five studies, respectively). Multimodal rehabilitation consisted mostly of exercise therapy combined with cognitive behavioral training, and was more effective in reducing disability and pain-related fear than exercise therapy alone (-0.31 [-0.49; -0.13] and -0.64 [-1.11; -0.17], six and four studies, respectively). Effects disappeared beyond one year. Rehabilitation showed a positive tendency towards a higher return-to-work rate (pooled relative risk [95% CI]: 1.30 [0.99; 1.69], four studies).There is low-quality evidence showing that both exercise therapy and multimodal rehabilitation are effective for improving outcomes up to six months after lumbar fusion, with multimodal rehabilitation providing additional benefits over exercise alone in reducing disability and pain-related fear. Additional high-quality studies are needed to demonstrate the effectiveness of rehabilitation strategies in the long term and for work-related outcomes.

Objective The first aim of this review was to investigate the association between age, sex, height, weight, physical activity level, posture, lumbar level and body side, and structural characteristics (cross-sectional area [CSA], thickness, linear dimensions, and echo intensity) of the lumbar multifidus (LM) measured by ultrasound. Second, differences between healthy individuals and patients with chronic low back pain (CLBP) were investigated. TYPE: Systematic review. Literature survey PubMed, Embase and Web of Science were searched until September 2018. Methodology Studies were included if (a) full text was available in English, Dutch, or French; (b) participants were older than 18 years of age and were asymptomatic or had nonspecific CLBP; and (c) the relation between structural characteristics of the LM, measured by ultrasound, and at least one of the above-mentioned factors was described, and/or a comparison between a CLBP and control group was made. Data were extracted independently by two reviewers. Quality of studies was assessed using an adapted version of the Downs and Black checklist. Synthesis Twenty-seven studies were included. Thickness and CSA of the LM do not correlate with age. Males have a larger LM size than females. Thickness and CSA of left and right LM are highly correlated in healthy subjects. More significant side-to-side differences are present in subjects with CLBP than in those without. Muscle size increases from proximal to caudal lumbar levels. The presence of CLBP is associated with muscle size and function. Conclusions The association between the factors age, sex, height, weight, physical activity level, posture, lumbar level, body side, and presence of CLBP, and the ultrasound characteristics of the LM is discussed. These factors should be taken into account in future research on structural muscle characteristics, or when correlating with functional behavior or investigating the effect of a targeted intervention. Level of evidence I.

Low back pain (LBP) and radicular pain are very common health problems. They are rarely caused by serious underlying pathology and will usually recover spontaneously in time. In about one third of the cases however, the pain and functional impairment will persist one year after onset, being responsible for high health care costs and work absence. The management of LBP and radicular pain should focus therefore on excluding signs and symptoms of serious underlying pathology, on an active approach and on the prevention of chronicity. In 2017 the Belgian Health Care Knowledge Centre (KCE) published a guideline on LBP and radicular pain. This guideline formed the basis for a national pathway on LBP and radicular pain and is the first step to change and optimize our daily clinical practice. In this Belgian guideline the importance is stressed of a comprehensive clinical assessment and a tailored rehabilitation. Pharmacological and invasive treatments have a more doubtful effect or should only be considered under certain conditions. Implementing these recommendations in an interdisciplinary pathway necessitates a central role for Physical and Rehabilitation Medicine (PRM) especially in giving advice on and/or coordinating the tailored rehabilitation to prevent chronicity. To do this, the PRM specialist should perform a medical and functional assessment according to the ICF framework and taking into account the risk for chronicity or persistent impairment and the rehabilitation potential. ispartof: EUROPEAN JOURNAL OF PHYSICAL AND REHABILITATION MEDICINE vol:56 issue:2 pages:220-227 ispartof: location:Italy status: published

INTRODUCTION: High level evidence on management of spinal disorders is scarce, which results in guidelines being of limited practical use for practitioners. Care pathways are complex interventions intended for the mutual decision making of organization of care processes for a well-defined group of patients. The goal of this project was to design a pathway for the management of low back pain and radicular pain for national implementation in Belgium. EVIDENCE ACQUISITION: An international and Belgian study on characteristics of low back pain care pathways was performed along with a literature study and focus group interrogation. Based on essential building elements identified and a consensus approach among all relevant stakeholders in primary, hospital and reintegration care, a national pathway was constructed. The process was endorsed by the Belgian Health Care Knowledge Center, Belgian National Institute of Health and Disability Insurance and the Spine Society of Belgium. EVIDENCE SYNTHESIS: Eleven international pathways were identified, varying in implementation width from hospital-based to region/province-based. Seven Belgian pathway initiatives were detected. Notwithstanding differences, consistent building elements were identified. Three groups of caregivers, divided in primary care, hospital care and reintegration and including all relevant medical/paramedical disciplines, worked on integrating the essential building elements into a single concrete patient pathway of direct use to any caregiver and patient and based on a consensus model including reference to the 2017 Belgian adaptation of the 2016 NICE guidelines. The resulting pathways on management of low back pain and radicular pain underpin the importance of multidisciplinary teamwork. CONCLUSIONS: Essential building elements were identified from literature and established pathways and were successfully integrated in a Belgian national low back pain and radicular pain pathway using an integrative consensus approach. The pathways are consultable at www.lowbackpain.kce.be. ispartof: EUROPEAN JOURNAL OF PHYSICAL AND REHABILITATION MEDICINE vol:56 issue:2 pages:228-236 ispartof: location:Italy status: published

PURPOSE: Bracing is frequently prescribed following lumbar surgery for degenerative conditions. However, previous studies failed to demonstrate the advantage of postoperative lumbar bracing in both short- and long-term outcome in terms of pain, quality of life and fusion rate. The purpose of this study was to assess the prescription patterns and rationale for postoperative bracing amongst spinal surgeons in Belgium. METHODS: A 16-item online survey was distributed by email to spinal surgeons affiliated to the Spine Society of Belgium (N = 252). RESULTS: A total of 105 surgeons (42%) completed the survey. The overall bracing frequency following lumbar surgery was 38%. A brace was more often prescribed following the fusion procedures (52%) than after the non-fusion procedures (21%) (p

OBJECTIVE: Hypothalamic-pituitary-adrenal (HPA) axis dysfunction may play a role in fibromyalgia (FM) pathogenesis, but remains understudied in this disorder. Furthermore, early childhood adversities (ECA) are common in FM, but whether they moderate stress reactivity is unknown. Hence, we investigated cortisol and subjective responses to acute psychosocial stress in FM and controls, while adjusting for ECA. METHODS: Twenty-seven female FM patients and 24 age-matched female controls were recruited in a tertiary care center and through advertisements, respectively. The Childhood Trauma Questionnaire was used to measure ECA history. Salivary cortisol levels and subjective stress ratings were measured at multiple time points before and after the Trier Social Stress Test (TSST) was administered. RESULTS: Significant main effects of group [F(1,43)=7.04, p=0.011, lower in FM] and ECA [F(1,43)=5.18, p=0.028, higher in participants with ECA] were found for cortisol responses. When excluding controls with ECA (n=5), a significant group-by-time interaction was found [F(6,39)=2.60, p=0.032], driven by a blunted response to the stressor in FM compared with controls (p=0.037). For subjective stress responses, a significant main effect of group [F(1,45)=10.69, p=0.002, higher in FM] and a trend towards a group-by-time interaction effect [F(6,45)=2.05, p=0.078, higher in FM 30 minutes before and 30 and 75 minutes after the TSST, and impaired recovery (difference immediately after - 30 minutes after the TSST) in FM] were found. CONCLUSIONS: Blunted cortisol responsivity to the TSST was observed in FM patients compared with controls without ECA. FM patients had higher subjective stress levels compared with controls, particularly at baseline and during recovery from the TSST. In FM patients, ECA history was not associated with cortisol or subjective stress levels, or with responsivity to the TSST. Future research should investigate the mechanisms underlying HPA axis dysregulation in FM.

Background Inspiratory muscles, such as the diaphragm, play a key role in both respiration and spinal control. Therefore, diaphragm dysfunctions are often related to low back pain (LBP). However, few is known on the association between the presence of LBP and the presence of respiratory disorders (RD). Objectives To perform a systematic review on the relation between RD and LBP. Study design Systematic review. Methods Two reviewers searched on PubMed/MEDLINE for studies concerning LBP and RD, from 1950 up to January 2016. The search string consisted of the following key words: low back pain, dyspnea, respiratory problems, lung diseases, comorbidity, pulmonary disease, chronic obstructive, smoking, asthma, allergy, sinusitis, respiratory tract infection and hyperventilation. The aim was to evaluate a potential correlation, co-occurrence or causality between RD and LBP. Results A total of 16 articles were included. A significant correlation between the presence of LBP and the presence of RD such as dyspnea, asthma, different forms of allergy, and respiratory infections was found. No correlation was found between Chronic Obstructive Pulmonary Disease (COPD) and LBP, and no articles were found on the correlation between hyperventilation and LBP. Conclusions This is the first study providing an overview of the literature on the relation between LBP and RD. Immunological, biomechanical, psychosocial and socio-economic factors might explain this correlation. Smoking is likely to contribute. Future studies must reveal the causative relationship. This work was supported by The Research Foundation Flanders (FWO) (postdoctoral fellowship of Lotte Janssens with grant number 12M9815N), the Agency for Innovation by Science and Technology - Flanders (IWT) (PhD fellowship Nina Goossens). The funders have no conflict of interest in the study design, in the collection, analysis and interpretation of data; in the writing of the manuscript; and in the decision to submit the manuscript for publication.

Background It is not yet clear whether chronic fatigue syndrome (CFS) is associated with elevated levels of personality disorders. Purpose This study aims to determine the prevalence of DSM-IV axis II personality disorders among patients with CFS. Methods We examined the prevalence of personality disorders in a sample of 92 female CFS patients and in two well-matched control groups, i.e., normal community individuals (N = 92) and psychiatric patients (N = 92). Participants completed the assessment of DSM-IV personality disorders questionnaire (ADP-IV), which yields a categorical and dimensional evaluation of personality disorder features. Results The prevalence of personality disorders in CFS patients (16.3 %) was significantly lower than in psychiatric patients (58.7 %) and was similar to that in the community sample (16.3 %). Similar results were found for dimensional and pseudodimensional scores, except for the Depressive (DE) and ObsessiveCompulsive Personality Disorder (O-C) subscales. Patients with CFS had significantly higher levels of DE features compared to normal controls and similar dimensional scores on the O-C scale compared to psychiatric controls. Conclusions Although the CFS sample was characterized by depressive and obsessivecompulsive personality features, this study provides no evidence for the assumption that these patients generally show a higher prevalence of axis II pathology. Given the conflicting findings in this area, future studies using multiple measures to assess personality disorders in CFS are needed to substantiate these findings.

ispartof: Manual Therapy vol:27 pages:E3-E4 ispartof: location:Netherlands status: published

There is a need for effective brief interventions in chronic pain patients, and the identification of mechanisms of change.In the present study, we tested the effectiveness of MPEP (Multidisciplinary Pain Education Program), a very brief, four-session cognitive-behaviorally based psycho-educational intervention for chronic pain using a pre-and post-test design. In addition, pre- to post-treatment change scores were calculated to investigate factors associated with change in pain. Participants of the study were 53 patients with chronic non-cancer pain. Primary outcome measures were (1) pain severity, (2) health perception, and (3) severity of depression. Secondary outcome measures included factors that have been implicated in the maintenance of chronic pain and that might be associated with worse treatment outcome: (1) catastrophizing, (2) kinesiophobia, and (3) action-proneness.Findings provided preliminary evidence for the effectiveness of MPEP in that patients showed significant and clinically meaningful improvements in pain symptoms (F = 24.503, p 0.001, d = 0.59) and action-proneness (F = 178.504, p 0.001, d = 1.95), and small improvements in health perception (F = 7.116, p 0.05, d = 0.30). Furthermore, results showed that changes in catastrophizing (β = -0.455, p = 0.001) and severity of depression (β = -0.300, p 0.05) were independently and significantly associated with changes in pain. However, changes in health perception, kinesiophobia, and action-proneness were not significantly associated with changes in pain (β = 0.203, ns; β = 0.003, ns; and β = 0.154, ns, respectively). Importantly, duration of chronic pain was not related to treatment outcome (β = 0.070, ns).Overall, this study provides preliminary evidence for the effectiveness of MPEP and possible mechanisms through which MPEP is effective. Yet, further research is needed to investigate the efficacy of MPEP.

Patients with chronic fatigue syndrome (CFS) often experience depression which may negatively affect prognosis and treatment outcome. Research has shown that depression in CFS is associated with maladaptive or self-critical perfectionism. However, currently, little is known about factors that may explain this relationship, but studies in nonclinical samples suggest that low self-esteem may be an important mediator of this relationship. The present study therefore examined whether self-esteem mediated the cross-sectional association between maladaptive perfectionism and severity of depression in 192 patients meeting Centres for Disease Control and Prevention criteria for CFS. Patients completed self-report measures of maladaptive perfectionism, self-esteem, depression, and fatigue. Regression analyses and more direct tests of indirect effects (i.e., the Sobel test and bootstrapping) were used to test for mediation. Congruent with expectations, we found that self-esteem fully mediated the relationship between maladaptive perfectionism and depression in CFS. Findings from this study suggest that self-esteem may explain the link between maladaptive perfectionism and depression in CFS, which may have important implications for the treatment and prevention of depression in these patients.

Chronic Fatigue Syndrome (CFS) is a highly disabling disorder that is part of a broader spectrum of chronic pain and fatigue disorders. Although the etiology and pathogenesis of CFS largely remain unclear, there is increasing evidence that CFS shares important pathophysiological disturbances with mood disorders in terms of disturbances in the stress response and the stress system. From a psycho-dynamic perspective, self-critical perfectionism and related personality factors are hypothesized to explain in part impairments of the stress response in both depression and CFS. Yet, although there is ample evidence that high levels of self-critical perfectionism are associated with stress generation and increased stress sensitivity in depression, evidence supporting this hypothesis in CFS is currently lacking. This study therefore set out to investigate the relationship between self-critical perfectionism, the active generation of stress, stress sensitivity, and levels of depression in a sample of 57 patients diagnosed with CFS using an ecological momentary assessment approach. Results showed, congruent with theoretical assumptions, that self-critical perfectionism was associated with the generation of daily hassles, which in turn predicted higher levels of depression. Moreover, multilevel analyses showed that self-critical perfectionism was related to increased stress sensitivity in CFS patients over a 14-day period, and that increased stress sensitivity in turn was related to increased levels of depression. The implications of these findings for future research and particularly for the development of psychodynamic treatment approaches of CFS and related conditions are discussed.

Hyperventilation has been suggested as a concomitant and possible maintaining factor that may contribute to the symptom pattern of chronic fatigue syndrome (CFS). Because patients accepting the illness and trying to live with it seem to have a better prognosis than patients chronically fighting it, we investigated breathing behavior during different coping response sets towards the illness in patients with CFS (N=30, CDC criteria). Patients imagined a relaxation script (baseline), a script describing a coping response of hostile resistance, and a script depicting acceptance of the illness and its (future) consequences. During each imagery trial, end-tidal PCO2 (Handheld Capnograph, Oridion) was measured. After each trial, patients filled out a symptom checklist. Results showed low resting values of PetCO2 overall, while only imagery of hostile resistance triggered a decrease and deficient recovery of PetCO2. Also, more hyperventilation complaints and complaints of other origin were reported during hostile resistance imagery compared with acceptance and relaxation. In conclusion, hostile resistance seems to trigger both physiological and symptom perception processes contributing to the clinical picture of CFS.

Background To identify distinct groups of patients with fibromyalgia (FM) with respect to multiple outcome measures. Methods Data from 631 duloxetine-treated women in 4 randomized, placebo-controlled trials were included in a cluster analysis based on outcomes after up to 12 weeks of treatment. Corresponding classification rules were constructed using a classification tree method. Probabilities for transitioning from baseline to Week 12 category were estimated for placebo and duloxetine patients (Ntotal = 1188) using logistic regression. Results Five clusters were identified, from “worst” (high pain levels and severe mental/physical impairment) to “best” (low pain levels and nearly normal mental/physical function). For patients with moderate overall severity, mental and physical symptoms were less correlated, resulting in 2 distinct clusters based on these 2 symptom domains. Three key variables with threshold values were identified for classification of patients: Brief Pain Inventory (BPI) pain interference overall scores of 80% of patients were in the 3 worst categories. Duloxetine patients were significantly more likely to improve after 12 weeks than placebo patients. A sustained effect was seen with continued duloxetine treatment. Conclusions FM patients are heterogeneous and can be classified into distinct subgroups by simple descriptive rules derived from only 3 variables, which may guide individual patient management. Duloxetine showed higher improvement rates than placebo and had a sustained effect beyond 12 weeks. Electronic supplementary material The online version of this article (doi:10.1186/1471-2474-15-450) contains supplementary material, which is available to authorized users.

Background Self-critical perfectionistic personality features have been shown to influence the onset and perpetuation of pain symptoms. However, no study to date has investigated whether these personality features are associated with treatment response in chronic pain. Methods Using a naturalistic pre–post design, the present study examined the effect of self-critical perfectionism on treatment outcome in terms of self-reported pain. The study was conducted in a sample of 53 chronic non-cancer pain patients who followed Multidisciplinary Pain Education Program (MPEP), a brief, 2-week cognitive-behaviorally based psycho-educational intervention for chronic pain that was recently found to be effective in reducing pain severity. Pre- and post-treatment pain intensity levels were assessed with the visual analog scale of the McGill Pain Questionnaire—Short Form. Results Pretreatment self-critical perfectionism was significantly associated with negative treatment outcome, even after taking into account pretreatment levels of depression. Conclusion Results suggest that self-critical perfectionistic personality features may negatively interfere with treatment response in patients with chronic pain. Thus, findings indicate that chronic pain patients with high levels of self-critical perfectionism may benefit less from brief interventions such as MPEP, and therefore may need more intensive and tailored treatment.

Background Although some studies have found high rates of early childhood trauma in Chronic Fatigue Syndrome (CFS), the role of early trauma in this condition remains controversial. Methods This study examined the prevalence of early childhood trauma and its impact on daily fatigue and pain levels over a 14-day period in a sample of 90 carefully screened CFS patients using a diary method approach. Data were analyzed using multilevel analysis. Results More than half of the patients (54.4%) had experienced at least one type of early trauma, with the majority of these patients reporting multiple traumas. Prevalence rates were particularly high for emotional trauma (i.e., emotional abuse and/or emotional neglect) (46.7%). Moreover, total trauma scores and emotional abuse significantly predicted higher levels of daily fatigue and pain over the 14-day period, even when controlling for demographic features and depressed mood. Conclusions This is the first study to demonstrate that early childhood trauma predicts increasing levels of core symptoms of CFS in the daily flow of life. Moreover, findings of this study suggest that emotional trauma may be particularly important in CFS.

In the current study, we investigated whether the distinction between adaptive (i.e. high personal standards) and maladaptive (i.e. concern over mistakes and doubt about actions) perfectionism that has been found in the literature, is also valid in patients with chronic fatigue syndrome (CFS). We hypothesized that maladaptive, but not adaptive, perfectionism would be significantly and positively related to severity of fatigue and depression in CFS. We examined this hypothesis in a sample of 192 CFS patients using structural equation modelling (SEM). Although the two perfectionism dimensions were related to each other, results supported a model in which only maladaptive perfectionism was positively related to severity of fatigue and depression. Further, we found that depression fully mediated the effect of maladaptive perfectionism on fatigue. The results suggest that adaptive and maladaptive perfectionism are two distinct, albeit related, dimensions in CFS. Findings of this study have important implications for theory and treatment of CFS, particularly for cognitive-behavioral treatment.

Background Little is known about factors predicting treatment outcome in chronic fatigue syndrome (CFS). Methods Based on Vercoulen et al.'s (1998) cognitive–behavioral model of perpetuating factors in CFS, the predictive value of the following patient characteristics were examined in a sample of 178 CFS patients who followed a multi-component treatment program: (1) somatic attributions, (2) psychological attributions, (3) sense of control over symptoms, (4) physical activity, (5) functional impairment, (6) somatic focus, and (7) severity of depression. Results Only pre-treatment severity of depression was associated with negative treatment outcome defined in terms of post-treatment fatigue and improvement in fatigue. Limitations The study was conducted at a tertiary care centre and did not include a control group or a long-term follow-up. Conclusions Level of depression may be the most important factor of the cognitive–behavioral model predicting post-treatment fatigue in CFS. Hence, findings suggest that treatment of CFS should include a focus on severity of depression.

Chronic fatigue syndrome (CFS) is a debilitating condition characterized by serious medically unexplained mental and physical fatigue. The high prevalence and both direct and indirect health costs of CFS patients represent a huge problem for contemporary health care. Moreover, the prognosis of CFS, even when treated, is often poor. In this paper, we first critically review current evidence based treatments of CFS. Second, we discuss the growing insights into the etiopathogenesis of CFS, and the need to translate and integrate these insights into future treatments. In particular, we formulate a pragmatic and empirically testable treatment approach, tailored to the individual needs of patients, which aims at restoring the mental and physical equilibrium of CFS patients by trying to bring about sustained life style changes. ispartof: Psychiatry Investigation vol:5 issue:4 pages:209-212 ispartof: location:Korea (South) status: published