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101.
BACKGROUND: Several studies have explored the physicians' preferred actions when facing a reluctant or a demanding patient, but only a few studies have explored the physicians' justifying reasons. OBJECTIVE: The aim of this study was to assess how GPs would act and how they would justify their choice. METHOD: A postal questionnaire with questions about preferred actions and justifying reasons was sent to a random sample of GPs in Slovenia (n = 160) and Sweden (n = 200) using four vignettes: (i). a healthy patient reluctant to quit smoking; (ii). a healthy patient demanding an X-ray; (iii). a pulmonary cancer patient reluctant to quit smoking; and (iv). a pulmonary cancer patient demanding immunotherapy. RESULTS: The majority of GPs would bring up the question about smoking with the patients reluctant to quit. They justified their choice by referring to promotion of medical benefit and to protection from harm. Swedish GPs were less inclined to bring up smoking than were their Slovenian colleagues. Those who would not bring up the question referred to respect for self-determination and an enhanced relationship as their justifying reasons. With reference to the demanding patients, a minority of GPs would grant the healthy patient's request for an X-ray that was not medically motivated. The answers were similar with respect to the seriously ill patient requesting non-medically motivated immunotherapy. Slovenian GPs were much more inclined to grant the request than were their Swedish colleagues. Enhancing the relationship and respect for self-determination were the most important reasons for granting the demands. When the demands were denied, the GPs mostly referred to promotion of fair distribution of resources. CONCLUSION: Many of the GPs considered their patients' right to self-determination less important than other values, e.g. the obligation to promote medical benefit, to protect from harm, to distribute public resources fairly and to enhance the patient-physician relationship. 相似文献
102.
Risnes I Ueland T Aukrust P Lundblad R Baksaas ST Mollnes TE Svennevig JL 《The Annals of thoracic surgery》2003,75(3):981-985
BACKGROUND: Mediastinitis after open heart operation is an infrequent, but life-threatening complication with a reported incidence rate between 1% and 4%. Hospital mortality is estimated at 10% to 35%. The aim of the present work was to study the systemic inflammatory reaction as judged by complement activation and cytokine and chemokines release in patients with mediastinitis after open heart operation. METHODS: Seven patients with clinical signs of mediastinitis were included. Three patients had undergone coronary artery bypass grafting, whereas 4 patients had combined coronary artery bypass grafting, valve replacement, or valvuloplasty. Blood samples were drawn before induction of anesthesia and at the time of reoperation, and thereafter daily during the hospital stay. Controls comprised similar patients with an uneventful postoperative course. RESULTS: The terminal SC5b-9 complement complex concentration in the mediastinitis patients was substantially higher compared with the controls (p < 0.001), and the terminal SC5b-9 complement complex values showed no overlap between the two groups. Interleukin-8, stromal cell-derived factor-1alpha and IL-6 concentrations were also significantly higher in the mediastinitis group than in the control group (p < 0.001), but with considerable overlap between the groups. Interleukin-1beta, interleukin-10, and monocyte chemoattractant protein-1 concentrations were slightly higher in the mediastinitis group, and no differences were seen for the tumor necrosis factor-alpha. CONCLUSIONS: During mediastinitis, the complement is activated and the cytokines and chemokines, interleukin-6, interleukin-8, and stromal cell-derived factor-1alpha are released. These proteins may be involved in the pathogenesis of this complication. Terminal SC5b-9 complement complex may be an indicator to discriminate mediastinitis patients from those with uneventful course. 相似文献
103.
Casula M Ascierto PA Cossu A Sini MC Tore S Colombino M Satta MP Manca A Rozzo C Satriano SM Castello G Lissia A Tanda F Palmieri G 《Melanoma research》2003,13(6):571-579
Putative tumour suppressor genes CDKN2A and CDKN2B (on chromosome 9p21) and CDKN2A-interacting cell growth regulatory genes CDK4 and Id-1 have been demonstrated to be involved in the pathogenesis of malignant melanoma (MM). Mutation analysis of these candidate genes was performed in MM families from southern Italy with three or more affected members or two affected members and one or more relative with histologically diagnosed atypical naevus. Two CDKN2A mutations, Arg24Pro and 1-292 G>A, were observed in two (15%) families; except for CDKN2A and Id-1 polymorphisms, no sequence variations were detected in the remaining genes. Screening among 119 sporadic MM cases revealed two additional CDKN2A mutations at very low prevalences. Identification of a large shared haplotype at 9p21 in some MM families negative for CDKN germline mutations suggests that other CDKN-inactivating mechanisms may be responsible for MM predisposition or, alternatively, additional susceptibility gene(s) may be present on chromosome 9p21. Fluorescence in situ hybridization analysis of a subset of MM tissue sections seemed to indicate that the D9S171 locus may be involved in MM pathogenesis. 相似文献
104.
Residence near power lines and the risk of birth defects 总被引:1,自引:0,他引:1
BACKGROUND: There has been some concern that exposure to electromagnetic fields may cause birth defects. We studied risks of birth defects by residential exposure to 50-Hz magnetic fields from power lines. METHODS: We estimated the distance between residence and power lines for 161,844 Norwegian residences, and their corresponding magnetic fields in the period 1980 to 1997. Risks of 24 categories of birth defects were compared across exposure levels, adjusting for social and demographic variables. RESULTS: Among those living near power lines, the greatest reductions in risk were for cardiac defects (odds ratio = 0.5; 95% confidence interval = 0.3-0.9) and respiratory defects (0.4; 0.2-0.9). The largest increase in risk was for esophageal defects (2.5; 1.0-5.9). Other associations were weaker and had wide confidence intervals. CONCLUSIONS: There was little evidence that residence near power lines affected the risk of birth defects. The observed decreased risks of cardiac and respiratory defects and the increased risk of esophageal defects should be interpreted with caution given the number of endpoints, the imprecision in the calculations of the distance from the residence to the power line, and the limited information on pregnant women's change of residence. 相似文献
105.
Asheim GB Emblem AW Nilssen T 《International journal of health care finance and economics》2003,3(4):253-266
We study a health-insurance market where individuals are offered coverage against both medical expenditures and losses in income due to illness. Individuals vary in their level of innate ability and their probability of falling ill. If there is private information about the probability of illness and an individual's innate ability is sufficiently low, we find that competitive insurance contracts yield screening partly in the form of co-payment, i.e., a deductible in pay, and partly in the form of reduced medical treatment, i.e., a deductible in pain. 相似文献
106.
The aim of the present study was to examine whether transference work, the therapeutic alliance, and their interaction predicted a reduction in interpersonal problems at treatment termination. Forty-nine patients with Cluster C personality disorders from a randomized controlled trial investigating the effectiveness of short-term dynamic psychotherapy and cognitive therapy were included. Transference work was measured with the Inventory of Therapeutic Strategies (Gaston & Ring, 1992), while the therapeutic alliance was measured with the Helping Alliance Questionnaire (Luborsky, Crits-Christoph, Alexander, Margolis & Cohen, 1983). Less emphasis on transference work predicted overall reduced interpersonal problems, whereas the effects of the therapeutic alliance did not reach statistical significance. An interaction effect was also demonstrated, indicating that greater emphasis on transference work performed on patients with lower therapeutic alliance ratings was associated with a smaller reduction in interpersonal problems at termination. However, the results also indicate that a low dose of transference work may be beneficial in reducing interpersonal problems. 相似文献
107.
Tissue and lineage-specific variation in inactive X chromosome expression of the murine Smcx gene 总被引:2,自引:0,他引:2
To understand how gene expression patterns are established on the inactive
X chromosome during development, we have studied the murine gene Smcx,
which is expressed from both the active and inactive mouse X chromosomes.
In all tissues assayed, Smcx only partially escapes X inactivation, with
expression levels from the inactive X allele approximately 30-65% that of
the active X allele. Additionally, inactive X expression levels differed
between extraembryonic and embryonic tissues and among different tissues
from newborn and adult mice. Imprinted extraembryonic tissue had the lowest
levels of inactive X Smcx expression, whereas the highest levels were in
heart. These data suggest that the chromosomal basis of X inactivation
differs among tissues, perhaps reflecting differences in the timing or
regulation of inactivation in these cell lineages.
相似文献
108.
Axelsson S Bjørnland T Kjaer I Heiberg A Storhaug K 《Acta odontologica Scandinavica》2003,61(3):129-136
Williams syndrome is a rare congenital syndrome with distinctive craniofacial features, cardiovascular abnormalities, and behavior characteristics including mental retardation. The dental abnormalities have received scant attention in previous literature. The aim of this study was to describe dental characteristics in individuals with Williams syndrome. In a group of 41 individuals more than 10 years of age, 40.5% had agenesis of one or more permanent teeth and 11.9% had agenesis of 6 permanent teeth or more. The mesio-distal and labio-lingual dimensions of permanent tooth crowns were measured on 31 dental study casts from individuals older than 12 years. The mesio-distal and labio-lingual dimensions were significantly smaller compared with a reference sample. An analysis of tooth morphology was performed on the same dental study casts revealing altered tooth morphology. A high proportion of maxillary and mandibular incisors was tapered or screwdriver shaped. An evaluation of taurodontism on mandibular permanent molars was performed using a metric crown-body/root ratio. However, most of the molars rated as being taurodontic had short or extremely short total tooth lengths and could thus be rated taurodontic without meeting the classical definition. The results of this study indicate that although there is variation in dental development in individuals with Williams syndrome, agenesis of permanent teeth in combination with aberrations in tooth size and morphology may affect dental esthetics and complicate orthodontic and prosthodontic treatment. 相似文献
109.
110.
Tingulstad S Halvorsen T Norstein J Hagen B Skjeldestad FE 《International journal of cancer. Journal international du cancer》2002,98(6):907-911
Completeness of reporting and accuracy of the diagnosis of ovarian cancer from one health region in Norway to the Cancer Registry were examined. Data kept by the Cancer Registry were evaluated against discharge diagnosis data from all 8 hospitals in the health region during the period of 1987-1996. The assessment of the accuracy of the diagnosis recorded in the Cancer Registry was based on review of all medical records in the hospital setting and on slide review of all histologic diagnoses. The overall completeness of reporting ovarian cancer to the Cancer Registry was 99.6%. The organ specific completeness of registration of histologic verified ovarian cancer within the Cancer Registry was 95.3%; 0.9% was erroneously coded and 3.5% had their diagnosis changed to ovarian cancer at re-evaluation. Of all ovarian cancer cases registered at the Cancer Registry, 91% had a primary histologic diagnosis. Among 591 cases identified with a histologic diagnosis in the Cancer Registry, the accuracy of the diagnosis was estimated at 92%. Coding errors were found in 2% of these cases, while in 6% of the cases it was not possible to reproduce the original diagnosis of ovarian cancer at re-evaluation. In order to provide data of high quality for cancer surveillance a cancer registry needs several data providers, such as histopathologic laboratory reports and clinical reports. In addition, assessment of reported data through stringent quality assurance procedures within the registry are necessary for reaching a nearly 100% completeness of registration as found for ovarian cancer in the Cancer Registry of Norway. 相似文献