Development and factorial validation of a short version of the narcissism inventory (NI-20).

BACKGROUND: Narcissism is seen as a normal but heterogeneously formed personality variable, ranging from 'grandiosity-exhibitionism' to 'vulnerability-sensitivity'. This article reports the development and factorial validation of a short version of a narcissism inventory. SAMPLING AND METHODS: The sample includes data of 4,509 consecutive psychosomatic inpatients. The overall sample was divided in 2 equally sized randomized subsamples. One sample (n = 2,262) was used for exploratory factor analysis (principal component analysis). The other sample (n = 2,265) was used for confirmatory tests of the model fit of the newly built NI-20 version, and to analyze the model fit separately for men and women using structural equation modeling with AMOS software. RESULTS: The short version (NI-20) consists of 20 items, with items representing almost all of the original 18 subscales and 4 second-order dimensions. The NI-20 possesses properties similar to the NI-90, with a considerable gain in test economy. The 4-factor structure of the NI-20 was confirmed, and reaches good fit indices. CONCLUSIONS: The NI-20 is an economical instrument with acceptable psychometric characteristics that reflects the heterogeneous aspects of narcissism. A methodological limitation is that the interactions between sociodemographic variables were not included as potential predictors.

Correlation between immune and neuronal parameters and stress perception in allergic asthmatics.

BACKGROUND: Asthma is a chronic disease defined by airway inflammation, increased airway hyperresponsiveness and episodes of airway obstruction. Although there are abundant clinical and experimental data showing that stress may worsen asthma, the mechanisms linking stress to asthma are not well understood. By inducing a pro-inflammatory cytokine milieu, stress might enhance airway inflammation in bronchial asthma. We therefore investigated the correlation of stress perception and the cytokine profile of circulating lymphocytes in humans. METHODS: Allergic asthmatic patients and healthy controls were evaluated for perceived level of stress, demographic and lung function data. Whole blood cells were obtained and stimulated by mitogen to assess intracellular IL-4, IFN-gamma and TNF-alpha by flow cytometry. Neurotrophins nerve growth factor (NGF) and brain-derived neurotrophic factor (BDNF) were measured in serum. RESULTS: Asthmatic patients showed significantly higher percentages of TNF-alpha-producing T cells than healthy controls. Only in asthmatic patients was stress perception correlated with percentages of TNF-alpha-producing T cells and serum BDNF levels, while forced expiratory volume in 1 s (% predicted) was negatively correlated to BDNF. CONCLUSION: The results of our study support the hypothesis that stress deteriorates bronchial asthma by inducing a pro-inflammatory cytokine profile in allergic asthmatics. Stress management might provide a supplement therapy of allergic asthma.

Patients with haematological malignancies show a restricted body image focusing on function and emotion.

The diagnosis of cancer threatens the psychological and bodily integrity. Based on this assumption, we aimed to explore how newly diagnosed patients cope with special regard to the body image (BI). In total, 40 patients (32 haematological malignancies) were assessed by questionnaires on mood, complaints, self-regulation and quality of life (QOL). The BI was assessed by the 'Body Grid' which reveals the constructs patients choose to characterize the body. The constructs were categorized using a model of six predefined categories comprising: emotion, control, activity, strength, function and appearance. Tinnitus sufferers and medical students served as comparison groups. Cancer patients showed significantly more anxious depression and a significantly lower QOL than controls. Their BI was restricted, focusing the functional status of body organs (e.g. opposing healthy vs. ill organs) as well as emotional aspects (e.g. trust vs. fear). The data convey fundamental psychological distress in newly diagnosed cancer patients. Restriction of BI and use of functional constructs may help to buffer the threat to body integrity. The emotional constructs reflect the existential impact. The data give a clear indication for the need for early psychosocial support which should aim at stabilizing the psychological and bodily integrity of the patient.

[Acute liver failure following the use of ecstasy (MDMA)]. / Akutes Leberversagen nach dem Konsum von Ecstasy (MDMA).

The use of "ecstasy" (Methylenedioxymethamphetamine) as a recreational drug is increasing in europe since the 1980's. Aside intended psychological effects the use of ecstasy can be followed by symptoms of intoxication; complications include toxic hepatic damage up to acute hepatic failure. This case-report is about a 17-year old female patient who regularly used "ecstasy" over a six-month period. Two days after the last use of "ecstasy", she reported to her general practitioner with nausea, vomiting, abdominal pain and jaundice. Within 10 days the patient developed acute liver failure. With criteria for liver transplantation fulfilled she was listed for orthotopic liver transplantation of high urgency which was carried out only one day later. Histological examination of the explanted liver showed evidence for a toxic fulminant hepatitis. After transplantation the patient made a full recovery and was released from hospital on day 26 after transplantation. At the first control after six months the patient was in good physical and nutritional condition, serological parameters were normal and ultrasound examination of the transplanted liver was unremarkable. The ethiopathology of "ecstasy"-induced hepatotoxicity, which can occur dose-independently with a symptom-free period from days to weeks after ingestion is not yet fully understood. Possible mechanisms of hepatic damage include influence of MDMA on body temperature regulation, harmful effects of the substance or further components of the "ecstasy"-tablets on the liver cell or a genetic vulnerability of some individuals against amphetamines and amphetamine derivates. There are no parameters existing which could predict the course and severity of "ecstasy"-induced hepatopathy. Especially in young patients with symptoms of hepatic damage frequent controls of clinical status and relevant laboratory parameters are of great importance. Patient transfer to a specialised centre should follow as early as possible; at the latest, when coagulopathy occurs.

[Subjective theories on luck and quality of life--results of explorative interviews with 65- to 74-year-old probands]. / Subjektive Theorien zu Glück und Lebensqualität--Ergebnisse explorativer Interviews mit 65- bis 74jährigen.

Following a subject-centred perspective in the research of happiness we asked N = 26 subjects aged 65 to 74 years in semistructured interviews about their subjective theories on happiness and quality of life (QOL) (subjective contents of the terms; description of a happy person; open wishes; causal attributions; control beliefs). Content analyses resulted in 28 categories that are united into 5 domains (personal resources, social resources and interaction, activity, material and environmental resources, abstract definitions). Particular aspects in content that have not yet been reported in the literature can be interpreted as notions of happiness and QOL specific to the elderly. Differences between the subjective concepts of "happiness" versus "QOL" are described. Ratings of semantic distance between the concepts "happiness", "QOL", "satisfaction", and "health" are analysed by multidimensional scaling. According to that, subjective representations of "happiness" and "QOL" vary markedly.

[Validation of the new German translation version of the "Short Inflammatory Bowel Disease Questionnaire" (SIBDQ)]. / Validierung der deutschsprachigen Version des "Short Inflammatory Bowel Disease Questionnaire" (SIBDQ).

In the face of a hardly predictable course of illness--potentially effecting a severe diminution of daily activities--the quality of life (QOL) represents a chief outcome measure in the treatment of inflammatory bowel diseases (IBD). For the German-speaking area an economical disease-specific instrument measuring QOL has been missing, so far. Therefore, we translated and adapted the recently validated "Short Inflammatory Bowel Disease Questionnaire" SIBDQ (11). Bowel symptoms, systemic symptoms, moods, and social activities are represented by a total of 10 items. Along with this questionnaire 7 accepted instruments assessing QOL-components were administered to 125 outpatients (54 ulcerative colitis, 71 Crohn's disease) and 51 healthy controls. The psychometric properties are good. Consistency is alpha = .84, thereby slightly surpassing the Anglo-American SIBDQ (alpha = .78). Retest-reliability after 26 weeks is r = .60. Systematic covariations with accepted QOL-instruments give evidence for its convergent and discriminatory validity. Differences between groups (high vs. low inflammatory activity vs. healthy controls) substantiate its sensitivity. Thus, the German adaptation of the accepted SIBDQ supplies an economic, reliable, and valid instrument that proved able to assess clinically relevant differences in QOL in patients with IBD. We suggest that it should be used by its overall score rather than its subscales. The instrument is appropriate to be used in therapy outcome and evaluation studies. It allows international comparison.

[Questionnaire of self-efficacy, optimism and pessimism: reconstruction, selection of items and validation of an instrument by means of examinations of clinical samples]. / Fragebogen zu Selbstwirksamkeit, Optimismus und Pessimismus. Restrukturierung, Itemselektion und Validierung eines Instrumentes an Untersuchungen klinischer Stichproben.

Self-efficacy and optimism are considered highly useful parameters in the context of therapeutic indication prognosis, and outcome evaluation. In our study, a combined questionnaire measuring "self-efficacy" (Schwarzer u. Jerusalem 1986) and "optimism" (Scheier u. Carver 1985) was restructured and reduced in length. The resulting instrument was compared with its original version in five different clinical samples comprising n = 726 inpatients. Factor analyses achieved the bidimensionality in the construct "optimism" as postulated by Scheier and Carver, this yielding the two factors "optimism" and "pessimism". The statistical validation resulted in good to optimal values. Factor analyses considering the different clinical groups showed that certain items failed to be invariably approprieted to one factor. Therefore, we decided in favor of an item reduction, resulting in half the original number: 5 items representing "self-efficacy" 2 for "optimism" and 2 for "pessimism". The scale values of the reduced version showed no relevant deviations compared to the original, and hence we conclude that the reduction does not result in a loss of information.