Psychological factors have been found to be of major importance for the transition from acute to chronic low back pain (CLBP). Although some evidence has been provided that depressive symptoms occur secondarily to CLBP, psychological treatment modules that specifically address depressive symptoms are not yet included in German inpatient rehabilitation programs. In this study, a standard rehabilitation program for patients with CLBP and depressive symptoms was compared to a standard rehabilitation, into which a cognitive-behavioral management training of depressive symptoms was integrated. Moreover, treatment effects of this multidisciplinary standard rehabilitation program delivered to patients with either no or only mild depressive symptoms were investigated. As a further aim of the present study, gender effects on rehabilitation outcomes were examined. Short-, mid-, and longterm effects on individual global improvement as well as pain-related, psychological, and work-related measures were evaluated among N = 199 consecutively admitted patients with CLBP, aged from 24 to 62 years. The standard rehabilitation program had no persisting effects on psychological outcomes among patients with no and mild depressive symptoms. Patients with moderate and severe depressive symptoms in the standard rehabilitation program did not benefit with clinical importance at the 6-and 12-month follow-up assessments, but did show clinically significant improvements in psychological outcome measures at the 6-month follow-up assessment when the supplemental psychological component was applied. Additionally, days of sick leave decreased in the intervention group in the mid-term when compared to the baseline. Females benefited more in mental health than males. However, due to regression effects at the 12-month follow-up assessment, booster sessions are highly recommended. The results presented here support the notion that a more adequately tailored rehabilitation program seems to improve rehabilitation success and prevent further development of CLBP among this high-risk subpopulation.Keywords Chronic low back pain Á Depressive symptoms Á Gender Á Multidisciplinary inpatient orthopedic rehabilitation Á Cognitive-behavioral management of depressive symptoms
Periodontal inflammation appears associated to MMP-8 and TIMP-1 in blood. Thereby, clinical interaction between periodontal conditions, periodontal pathogenic bacteria and RA-related cytokines remain unclear.
The increased aMMP-8 levels in the RA group indicate that the presence of RA appears to have an influence on the host response at a comparable level of bacterial load and periodontal disease severity.
Currently, little is known about the influence of depressive symptoms and gender-specific aspects in rehabilitation outcome of patients with chronic low back pain. Effects of gender and depressive symptoms on rehabilitation outcome were examined immediately after rehabilitation, as well as three and six months after rehabilitation in 116 patients with chronic low back pain (43 women, 73 men; M=48 yrs.; ICD-10 diagnoses: M45.4/M45.5, M54.4/M54.5). Immediately after rehabilitation, general improvements with medium effect sizes in all rehabilitation measures were found. In contrast, six months after rehabilitation, only pain-related measures showed moderate improvements. Additionally, the mid-term outcomes were influenced by gender and depressive symptoms; women showed more stable rehabilitation outcomes in pain intensity, in the impaired function related to family/leisure, and the coping with pain strategies of "perceived self-competence" and "relaxation". In contrast, especially male patients with severe depressive symptoms revealed regressive rehabilitation outcomes, both in pain-related variables as well as marginally in the coping with pain strategy of "cognitive restructuring". In post-hoc analyses, in the mid-term, they even showed a deterioration of functional capacity and somatisation compared to prior to rehabilitation. Our results suggest that the outcome of orthopaedic rehabilitation may be persistently improved by implementing gender-specific treatments in general and elements of depression treatments for the patients with severe but sub-clinical depressive symptoms.
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