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Background: Individuals with obesity frequently contend with pain, but few studies address the clinical impact of comorbidity within this population. This study compared the early weight loss outco...

Objective Individuals with obesity frequently contend with chronic pain, but few studies address the clinical impact of coordinated pain services on this population. The current study addresses this topic by comparing the effectiveness of a comprehensive pain rehabilitation program for patients with and without obesity. Methods A retrospective analysis of registry data was conducted. Obesity was considered as one of three weight groups, based on the following body mass index cutoffs: normal weight (18.5 to < 25 kg/m2), overweight (25 to < 30 kg/m2), and obese (> 30 kg/m2). These groups were compared on the Pain Severity Ratings (PSR) Scale, the Pain Disability Index (PDI), and the Depression, Anxiety, Stress Scales—Short Form (DASS-SF). Results Groups differed on baseline pain disability and depression. Patients with obesity had higher scores on both the PDI (P = .028) and the DASS-SF depression subscale (P = .006). Contrary to the hypothesis, after controlling for baseline score and sex there were no significant differences between weight groups with regards to PSR, PDI, or any DASS-SF subscale at discharge. At 1-year follow-up, individuals who were overweight and obese had significantly more anxiety compared to individuals whose weight was in the normal range. Conclusions Multidisciplinary pain rehabilitation programs appear to be an effective treatment intervention for patients who have concomitant chronic pain and obesity, to a degree comparable to patients who have chronic pain but do not contend with obesity. Implications for program development, clinical interventions, and future research are discussed.

Objective To evaluate the efficacy of an intensive outpatient program designed to improve functioning and reduce psychological impairment in chronic headache patients. Background Chronic headaches, occurring 15 or more days per month, for three or more months, may arise from multiple International Classification of Headache Disorders diagnoses: Chronic Migraine, Chronic Tension Type Headache, New Daily Persistent Headache, Chronic Post Traumatic Headaches, and Medication Overuse Headache. Several interdisciplinary programs that treat patients with chronic headaches have reported decreases in headache frequency. This study sought to evaluate the effect of a 3 week interdisciplinary treatment program for patients with chronic headache disorders on headache severity, functional status, and psychological impairment. Methods Subjects were 379 patients admitted to an outpatient chronic headache treatment program. Assessments of headache severity, psychological status, and functional impairment were completed by 371 (97.8%) of these at the time of admission. At discharge, 340 subjects (89.7%) provided assessment data, and 152 (40.1%) provided data at 1-year follow-up. Results Subjects' mean ratings on a 0-10 scale for their headache pain in the prior week declined, and these improvements were maintained at follow-up. (Estimated marginal means on a 0-10 scale for Average pain: admission 6.1, discharge 3.5, follow-up 3.3; for Least pain: admission 3.2; discharge 1.5; follow-up 1.3; for Worst pain: admission 8.2; discharge 6.4; follow-up 5.7), and similar results were found for current pain (admission 4.7; discharge 2.8; follow-up 2.4): Measures of functional impairment also improved following treatment, and these gains were maintained at 12 month follow up (Estimated marginal mean Headache Impact Test-6 score: admission 66.1, discharge 55.4, follow-up 51.9; Estimated marginal mean Pain Disability Index score: admission 36.2, discharge 14.1, follow-up 11.6). As measured by the Depression, Anxiety and Stress Scale, anxiety and reactivity to stress decreased following treatment, and remained improved at follow-up (Estimated marginal mean score for Anxiety: admission 8.7, discharge 5.2, follow-up 4.4; Estimated marginal mean score for stress: admission 14.9, discharge 7.2, follow-up 7.6). Depression decreased with treatment, but while 1-year follow-up depression scores remained significantly lower than at admission, they were also significantly higher than at discharge (Estimated marginal means: admission 13.3, discharge 4.1, follow-up 6.6). Conclusions The study supports the efficacy of the treatment model. Limitations of the study and suggestions for future research are also discussed.