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1.

Objective

In a previous polysomnographic cross-sectional study we found a significant relationship between sleep disorders and multiple sclerosis (MS) related fatigue. The purpose of this open follow-up observation was to compare the impact of treatment of sleep disorders on MS related fatigue measured with the Modified Fatigue Impact Scale (MFIS).

Methods

Non-randomized follow-up observation: treated versus untreated patients, subgroups according to compliance with sleep medical treatment recommendations (univariate, multivariate analysis, multiple logistic regression). 66 MS patients were followed after polysomnography, 49 patients with relevant sleep disorders and 17 without.

Results

Mean MFIS scores decreased from 41.2 to 26.2 (p = 0.025) in patients with good compliance (GC; n = 18), from 42.4 to 32.1 (p = 0.12) in patients with moderate compliance (MC; n = 12), and from 41.6 to 35.5 (p = 0.17) in non-compliant patients (NC; n = 17). Mean MFIS values increased in patients without sleep disorders from 22.9 to 25.4 (NSD; n = 12, p = 0.56). In multiple logistic regression, treatment of sleep disorders predicted decrease of MFIS-values (GC versus NSD odds ratio 13.4; p = 0.015; 95% confidence interval (CI) 1.7–107.2, MC versus NSD odds ratio 13.8; p = 0.028; 95% CI 1.3–143.3).

Conclusions

Sleep medical treatment may improve MS related fatigue when patients adhere to treatment recommendations.  相似文献   

2.

Objective

A subgroup of patients with Chronic Fatigue Syndrome (CFS) has cognitive impairments, reflected by deviant neuropsychological test performance. However, abnormal test scores can also be caused by suboptimal effort. We hypothesized that worse neuropsychological test performance and underperformance were related to each other and to a smaller reduction in fatigue, functional impairments, physical limitations and higher dropout rates following cognitive behavior therapy (CBT) for CFS.

Methods

Data were drawn from a previous trial, in which CFS patients were randomized to two conditions; 1) guided self-instruction and additional CBT (n = 84) or 2) waiting period followed by regular CBT for CFS (n = 85). Underperformance was assessed using the Amsterdam Short Term Memory Test (< 84). To test neuropsychological test performance, the Symbol Digit Modalities Task, a simple reaction time task and a choice reaction time task were used. Interaction effects were determined between underperformance and neuropsychological test performance on therapy outcomes.

Results

Underperformance was associated to worse neuropsychological test performance, but there were no significant interaction effects of these two factors by therapy on fatigue severity, functional impairments and physical limitations, but there was a significant main effect of underperformance on functional impairments, physical limitations and dropout rates.

Conclusion

Underperformance or neuropsychological test performance was not related to the change in fatigue, functional impairments, and physical limitations following CBT for CFS. However, underperforming patients did drop out more often. Therapists should pay attention to beliefs and behavioral or environmental factors that might maintain underperformance and increase the risk of dropout.  相似文献   

3.

Objectives

The aim of this study is to contribute to the sleep-related differentiation between daytime fatigue and sleepiness.

Methods

135 subjects presenting with sleep apnea–hypopnea syndrome (SAHS, n = 58) or chronic fatigue syndrome (CFS, n = 52) with respective sleepiness or fatigue complaints and a control group (n = 25) underwent polysomnography and psychometric assessments for fatigue, sleepiness, affective symptoms and perceived sleep quality. Sleep EEG spectral analysis for ultra slow, delta, theta, alpha, sigma and beta power bands was performed on frontal, central and occipital derivations.

Results

Patient groups presented with impaired subjective sleep quality and higher affective symptom intensity. CFS patients presented with highest fatigue and SAHS patients with highest sleepiness levels. All groups showed similar total sleep time. Subject groups mainly differed in sleep efficiency, wake after sleep onset, duration of light sleep (N1, N2) and slow wave sleep, as well as in sleep fragmentation and respiratory disturbance. Relative non-REM sleep power spectra distributions suggest a pattern of power exchange in higher frequency bands at the expense of central ultra slow power in CFS patients during all non-REM stages. In SAHS patients, however, we found an opposite pattern at occipital sites during N1 and N2.

Conclusions

Slow wave activity presents as a crossroad of fatigue and sleepiness with, however, different spectral power band distributions during non-REM sleep. The homeostatic function of sleep might be compromised in CFS patients and could explain why, in contrast to sleepiness, fatigue does not resolve with sleep in these patients. The present findings thus contribute to the differentiation of both phenomena.  相似文献   

4.

Objective

Chronic fatigue syndrome (CFS) is often associated with significant levels of disability. Although fatigue and depression have been found to be independently related to severity of disability, it is not clear how these three factors are mutually related. The present study sought to address this issue by specifically testing a model of mediation whereby depression was hypothesized to influence relations between fatigue and disability.

Methods

Participants included 90 individuals seeking treatment for CFS at a tertiary care facility. Each provided demographic information and completed standardized measures of depression and fatigue severity, as well as a measure of disability, which assessed difficulties in physical, psychosocial, and independence domains.

Results

Analyses indicated that depression and fatigue were positively correlated with one another, as well as all three disability domains. Analyses of mediation indicated that depression completely mediated the relation between fatigue and psychosocial disability and partially mediated the relation between fatigue and the other two disability domains. Indirect effects tests indicated that the inclusion of depression in the statistical models was statistically meaningful.

Conclusions

These results replicate previous findings that fatigue and depression are independently related to disability in those with CFS. A more complex statistical model, however, suggested that depression severity substantially influenced the strength of the relation between fatigue and disability levels across a range of domains, including complete mediation in areas involving psychosocial functioning. These results may aid in clarifying contemporary conceptualizations of CFS and provide guidance in the identification of appropriate treatment targets.  相似文献   

5.

Background

Previous research has suggested that a substantial proportion of the population are severely affected by tinnitus, however recent population data are lacking. Furthermore, there is growing evidence that the perception of severity is closely related to personality factors such as neuroticism.

Objective

In a subset (N = 172,621) of a large population sample of > 500,000 adults aged 40 to 69 years, (from the UK Biobank dataset) we calculated the prevalence of tinnitus and that which is perceived as bothersome, and examined the association between tinnitus and a putative predisposing personality factor, neuroticism.

Method

Participants were recruited through National Health Service registers and aimed to be inclusive and as representative of the UK population as possible. The assessment included subjective questions concerning hearing and tinnitus. Neuroticism was self-rated on 13 questions from the Eysenck Personality Inventory. Associations between neuroticism and tinnitus were tested with logistic regression analyses.

Results

Prevalence of tinnitus was significantly higher for males, and increased with age, doubling between the youngest and oldest age groups (males 13% and 26%; females 9% and 19% respectively). Of those with tinnitus, females were more likely to report bothersome tinnitus. Neuroticism was associated with current tinnitus and bothersome tinnitus, with the items: ‘loneliness’, ‘mood swings’, ‘worrier/anxious’ and ‘miserableness’, as the strongest associations of bothersome tinnitus.

Conclusions

Neuroticism was identified as a novel association with tinnitus. Individuals with tinnitus and higher levels of neuroticism are more likely to experience bothersome tinnitus, possibly as a reflection of greater sensitivity to intrusive experiences.  相似文献   

6.

Objective

Obesity and depression are associated with somatic complaints that may complicate the measurement of depression in obese individuals. The Beck Depression Inventory-II (BDI-II) and the Hamilton Rating Scale for Depression (HRSD) are frequently used to measure depression severity. The BDI-II and HRSD's ability to measure depression severity may be compromised in those with obesity, to the extent that scores on their somatic items stem more from obesity than from depression. This study examined the: 1) internal consistency of the BDI-II and HRSD among obese women who varied in depressive symptomatology and 2) total and item-level change in the measures among participants who met the criteria for depression remission at 6-months.

Methods

Data were from a randomized controlled trial of obese women with depression who received either behavioral activation for depression followed by a lifestyle intervention or a lifestyle intervention with attention control.

Results

At screening (n = 355), internal consistency was strong for the BDI-II (α = 0.89), but moderate for the HRSD (α = 0.67). Among the participants who met the criteria for depression remission following treatment (n = 115), every BDI-II item showed significant change at 6-months. In contrast, three HRSD items did not significantly change: the anxiety—somatic (p = 0.063), somatic symptoms—gastrointestinal (p = 1.000) and loss of weight (p = 0.319) items.

Conclusion

The BDI-II may be more reliable and sensitive to change than the HRSD in obese women with comorbid depression. Intervention studies involving obese, depressed women should consider these findings in selecting depression outcome measures.  相似文献   

7.

Aim

The aim of this study was to investigate the relationship of Internet addiction (IA) with Attention Deficit Hyperactivity Disorder (ADHD) symptoms while controlling the effect of personality traits, depression and anxiety symptoms in Turkish university students.

Methods

A total of 271 university students participated in the present study. The students were assessed through the Internet Addiction Scale (IAS), the Wender Utah Rating Short Scale (WURS-25), the Turkish version of the Adult ADHD Self-Report Scale (ASRS), the Eysenck Personality Questionnaire Revised Abbreviated Form (EPQR-A), the Beck Depression Inventory (BDI) and the Beck Anxiety Inventory (BAI).

Results

According to IAS, participants were separated into three groups, namely, moderate/high, mild and without IA groups. The rates of groups were 19.9% (n = 54), 38.7% (n = 105) and 41.3% (n = 112), respectively. Correlation analyses revealed that the severity of IAS is positively correlated with WURS-25, ASRS (total, inattention and hyperactivity/impulsivity subscales), neuroticism personality trait, depression and anxiety scores, whereas it is negatively correlated with extraversion personality trait. Hierarchical regression analysis indicated that depression and anxiety symptoms, introversion and neuroticism personality traits and the severity of ADHD symptoms (particularly hyperactivity/impulsivity symptoms) are the predictors for IAS score, respectively.

Conclusions

The severity of ADHD symptoms has predicted the severity of IA even after controlling the effect of personality traits, depression and anxiety symptoms among Turkish university students. University students with severe ADHD symptoms, particularly hyperactivity/impulsivity symptoms may be considered as a risk group for IA.  相似文献   

8.

Objective

Maladaptive response styles to negative affect have been shown to be associated with prospective (postpartum) depression. Whether maladaptive styles to positive affect are also critically involved is understudied, even though anhedonia (a correlate of low positive affectivity) is a cardinal symptom of depression. The present study is the first to investigate the predictive value of cognitive response styles to both negative (depressive rumination) and positive affect (dampening) for postpartum depressive symptoms.

Methods

During the third trimester of pregnancy, 210 women completed self-report instruments assessing depression (symptom severity and current and/or past episodes) and scales gauging the presence of depressive rumination and dampening. Of these women, 187 were retained for postpartum follow-up, with depressive symptoms being reassessed at 12 (n = 171) and 24 (n = 176) weeks after delivery.

Results

Regression analyses showed that higher levels of dampening of positive affect during pregnancy predicted higher levels of depressive symptoms at 12 and 24 weeks postpartum, irrespective of initial symptom severity, past history of depression and levels of rumination to negative affect. Prepartum trait levels of rumination, however, did not predict postpartum symptomatology when controlled for baseline symptoms and history of major depressive episode(s).

Conclusions

The results of this investigation suggest that the way women cognitively respond to positive affect contributes perhaps even more to the development of postpartum depression than maladaptive response styles to negative affect.  相似文献   

9.

Objective

We examined the association between the Minnesota Multiphasic Personality Inventory (MMPI) and all-cause mortality in 4462 middle-aged Vietnam-era veterans.

Methods

We split the study population into half-samples. In each half, we used proportional hazards (Cox) regression to test the 550 MMPI items' associations with mortality over 15 years. In all participants, we subjected significant (p < .01) items in both halves to principal-components analysis (PCA). We used Cox regression to test whether these components predicted mortality when controlling for other predictors (demographics, cognitive ability, health behaviors, and mental/physical health).

Results

Eighty-nine items were associated with mortality in both half-samples. PCA revealed Neuroticism/Negative Affectivity, Somatic Complaints, Psychotic/Paranoia, and Antisocial components, and a higher-order component, Personal Disturbance. Individually, Neuroticism/Negative Affectivity (HR = 1.55; 95% CI = 1.39, 1.72), Somatic Complaints (HR = 1.66; 95% CI = 1.52, 1.80), Psychotic/Paranoid (HR = 1.44; 95% CI = 1.32, 1.57), Antisocial (HR = 1.79; 95% CI = 1.59, 2.01), and Personal Disturbance (HR = 1.74; 95% CI = 1.58, 1.91) were associated with risk. Including covariates attenuated these associations (28.4 to 54.5%), though they were still significant. After entering Personal Disturbance into models with each component, Neuroticism/Negative Affectivity and Somatic Complaints were significant, although Neuroticism/Negative Affectivity's were now protective (HR = 0.73; 95% CI = 0.58, 0.92). When the four components were entered together with or without covariates, Somatic Complaints and Antisocial were significant risk factors.

Conclusions

Somatic Complaints and Personal Disturbance are associated with increased mortality risk. Other components' effects varied as a function of variables in the model.  相似文献   

10.

Objective

Only two-thirds of depressive patients respond to antidepressant treatment. In recent years, addition of an atypical antipsychotic drug to ongoing treatment with an antidepressant has been considered effective and well-tolerated. In the present study, we compared the efficacy between paroxetine and sertraline augmented with aripiprazole in patients with refractory major depression.

Subjects and methods

Twenty-four patients who met the DSM-IV criteria for major depressive disorder who did not at least two different classes of antidepressants were enrolled in the study. Nine were male and thirteen were female, and their ages ranged from 28 to 66 (mean ± SD = 39 ± 12) years. Patients were prescribed paroxetine (n = 11) or sertraline (n = 13) for 4 weeks. Then, those whose scores on the 17-item Hamilton Rating Scale for Depression (HAMD17) decreased below 50% received adjunctive therapy of aripiprazole for 4 weeks.

Results

Although the use of either combination treatment decreased the HAMD17 scores compared to the respective monotherapy, there was no significant difference in HAMD17 scores between the paroxetine plus aripiprazole group and sertraline plus aripiprazole group.

Conclusion

Aripiprazole augmentation therapy with paroxetine or sertraline was equally effective and tolerated in patients with refractory major depressive order.  相似文献   

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