Objective. To examine the effects of stressmanagement training on clinical outcomes in persons with rheumatoid arthritis (RA). Methods.Patients with RA (n = 141) were randomly assigned to 1 of 3 groups: a stress management group, an attention control group, or a standard care control group. The stress management and the attention control groups received a 10-week intervention followed by an additional 15-month maintenance phase.Results. The stress management group showed statistically significant improvements on measures of helplessness, self-efficacy, coping, pain, and health status. Selected beneficial effects were still detectable at the 15-month followup evaluation.Conclusion. The data indicated that stress management interventions are capable of producing important clinical benefits for persons with RA.
To examine the effectiveness of a cognitivebehavioral pain management program for patients with rheumatoid arthritis, three patient groups were studied: a cognitive-behavioral group (CB), an attention-placebo group, and a control group. The CB group received a comprehensive, 12-month pain management program that taught coping strategies such as problem-solving techniques, relaxation training, strategies for attention diversion, and training in family dynamics and communication. Dependent measures included pain, coping strategies, psychological status, functional status, and disease status. Data analysis at 12 months revealed benefits for the CB group in the area of enhanced coping strategies. Specifically, the CB subjects showed significantly greater use of coping strategies and significantly more confidence in their ability to manage pain. The findings are discussed in terms of the importance of enhanced self-efficacy and personal control for patients with rheumatoid arthritis.
Six autoimmune murine models (MRLh, MRL/n, NZB, NZB/NZW, PN, C57BL/6J-lpr/lpr) were compared with normal control C57BL/6J and DBM2 mice to determine if spontaneous autoimmune disease was associated with evidence of Sjogren's syndrome. Schirmer tests documented dry eyes in NZB/NZW and PN mice; other autoimmune strains and controls had normal tear formation. All autoimmune mice had conjunctivitis, but this abnormality was most severe in the PN strain. Ninety-eight percent of MRL/I and MRL/n mice had mononuclear cell infiltrates in lacrimal glands, and salivary glands were involved to a lesser degree. New Zealand mice and PN mice had smaller gland lesions. The extensive gland destruction in MRL/I and MRLln mice suggested that these substrains merit further studies as animal models of Sjogren's syndrome. _ _ _ _From the Veterans Administration Medical Center, Columbia, Missouri and the University of MissouriXolumbia.
In operant conditioning experiments, two methods are commonly used to motivate laboratory rats to perform designated tasks. The first is restricting food so that rats are forced to lose 20% of body weight within one week, followed by maintenance at 80% of the baseline weight for the remainder of the experiment. The second is restricting access to water to 15 min in each 24 h period. These methods are effective in motivating the animals. There is, however, little information available on the effects on performance in tests of behaviour that are not related to operant conditioning. In addition, it is not clear if these commonly used methods of food and water restriction will lead to physiological stress as indicated by an elevation of serum corticosterone. Male rats were either food-restricted to reduce and maintain their weight at 80% of baseline weight, or were restricted to 15 min access to water every 24 h. Activity in the open field was significantly greater in food-restricted rats than in water-restricted or control rats, but freezing behaviour was similar in all experimental groups. Food-restricted rats had a higher mean serum corticosterone level than water-restricted and control rats 37 days after the start of the experimental period. These data suggested that chronically restricting food and maintenance of body weight at 80% of baseline body weight led to significant behavioural changes and physiological stress. In contrast, water restriction did not lead to changes in behaviour or corticosterone levels. A second experiment was conducted to compare the effects of food restriction to 80% of baseline body weight, as described above, with a less stringent protocol in which test rats were initially reduced to 80% of baseline weight, but were then maintained at 80% of an ad libitum fed control rat's weight. Serum corticosterone levels and adrenal gland weights were measured after the initial week of forced weight loss and after maintenance for 21 days. Forced loss of 20% of body weight in the first week led to significantly increased serum corticosterone levels and adrenal gland weights compared to ad libitum fed controls. Serum corticosterone levels and adrenal gland weights in rats maintained at 80% of their initial body weight for 21 days remained higher than ad libitum fed control rats. However, rats maintained at 80% of an ad libitum fed control rat's weight did not differ from control rats in serum corticosterone levels or adrenal gland weights at the end of the 21-day study period. Adjustment of the feeding regimen in this manner eliminated physiological evidence of chronic stress.
Objective. To examine the level of anxiety experienced by individuals with rheumatoid arthritis (RA).Methods. Data from 2 previous studies were used to compare the level of anxiety (measured by the State-Trait Anxiety Inventory) in the following 4 subgroups: a general RA sample, a general osteoarthritis sample, a sample with both RA and major depression, and a normative sample of age-equivalent, working adults. Canonical correlations were used to examine associations between measures of anxiety and measures of both stress and depression. The relationship between anxiety and duration of RA was also explored. Results. The general RA sample had state anxiety levels that were comparable to the normative sample, although trait anxiety levels were significantly higher (P < 0.001). In addition, individuals with RA who also met criteria for depression exhibited significantly higher levels of both state anxiety (P < 0.0001) and trait anxiety (P < 0.0001) than was observed in the normative sample. Canonical correlations revealed that measures of anxiety were correlated with both measures of depression (r ؍ 0.83) and measures of stress (r ؍ 0.50). Anxiety was not found to be significantly related to RA disease duration. Conclusion. These findings demonstrated that individuals with RA, especially if concomitantly depressed, tend to exhibit levels of anxiety that are generally higher than a normative group of age-equivalent, working adults. The substantial canonical correlations between anxiety and both depression and stress revealed that anxiety shares variance with these more frequently studied variables in RA. However, anxiety was not found to be related to RA disease duration.
Objective. To examine the effectiveness of cognitive-behavioral and pharmacologic treatment of depression in rheumatoid arthritis (RA). Methods. Subjects (n ؍ 54) with confirmed diagnoses of both major depression and RA were randomly assigned to 1 of 3 groups: 1) cognitive-behavioral/pharmacologic group (CB-PHARM), 2) attention-control/pharmacologic group, or 3) pharmacologic control group. Measures of depression, psychosocial status, health status, pain, and disease activity were collected at baseline, posttreatment (10 weeks), 6-month followup, and 15-month followup. Data were analyzed to compare the treatment effectiveness of the groups; data also were aggregated to examine the effects of antidepressive medication over time. Lastly, a no-treatment control group was defined from a cohort of persons who declined participation. Results. Baseline comparisons on demographic and dependent measures revealed a need to assess covariates on age and education; baseline scores on dependent measures also were entered as covariates. Analyses of covariance revealed no statistically significant group differences at postintervention, 6-month followup, or 15-month followup, except higher state and trait anxiety scores for the CB-PHARM group at the 15-month followup. In the longitudinal analyses of the effects of antidepressive medication, significant improvement in psychological status and health status were found at posttreatment, 6-month followup, and 15-month followup, but no significant improvements were shown for pain or disease activity. In addition, the comparison of the aggregated pharmacologic group with a no-treatment group revealed a statistically significant benefit for the 3 groups that received the antidepressive medication. Conclusion. In persons with RA, cognitive-behavioral approaches to the management of depression were not found to be additive to antidepressant medication alone, but antidepressant intervention was superior to no treatment.
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