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1.
  • Fridner, A., et al. (författare)
  • Why don't academic physicians seek needed professional help for psychological distress?
  • 2012
  • Ingår i: Swiss Medical Weekly. - 1424-7860 .- 1424-3997. ; 142:JULY
  • Tidskriftsartikel (refereegranskat)abstract
    • PURPOSE: Suicidal thoughts, burnout and other signs of psychological distress are prevalent among physicians. There are no studies concerning help-seeking for psychological distress among university hospital physicians, who face a particularly challenging, competitive work environment. We compare psychologically-distressed university hospital physicians who have not sought needed help with those who have sought such help. We thereby aim to identify factors that may hinder help-seeking and factors that may trigger seeking help. METHODS: Analysis was performed among university hospital physicians reporting recent suicidal thoughts and/or showing other indications of current psychological illhealth. These distressed physicians were a subgroup (42.7%) from the cross-sectional phase I HOUPE study (Health and Organization among University Hospital Physicians in Europe): 366 from Sweden and 150 from Italy. Having sought professional help for depression or burnout was the outcome variable. Multiple logistic regression was performed with socio-demographic factors as covariates. RESULTS: Altogether 404 (78.3%) of these distressed physicians had never sought professional help for depression/burnout. Physicians who were currently involved in medical research, taking night call, surgical specialists, male, or Italian were least likely to have sought help. Physicians who faced harassment at work or who self-diagnosed and self-treated were more likely to have sought help. CONCLUSION: Very few of these university hospital physicians with signs of psychological distress sought help from a mental-health professional. This has implications for physicians themselves and for patient care, clinical research, and education of future physicians. More study, preferably of interventional design, is warranted concerning help-seeking among these physicians in need.
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2.
  • Andersson, Sonia, et al. (författare)
  • Acceptance of Self-Sampling Among Long-Term Cervical Screening Non-Attenders with HPV-Positive Results : Promising Opportunity for Specific Cancer Education
  • 2019
  • Ingår i: Journal of Cancer Education. - : Springer. - 0885-8195 .- 1543-0154.
  • Tidskriftsartikel (refereegranskat)abstract
    • This study aims to investigate acceptance of vaginal self-sampling for high-risk human papilloma virus (HPV) among long-term screening non-attenders at increased cervical cancer risk and to identify leverage points to promote screening adherence among these women. Forty-three long-term screening non-attenders performed home vaginal self-sampling for HPV, had positive HPV results, and subsequently attended gynecologic examination. Sixteen (37.2%) had high-grade cervical intraepithelial neoplasia (CIN2 or 3), and two had invasive cervical cancer. Forty-one of these women completed a questionnaire concerning Specific Knowledge about HPV, CIN, and cervical cancer, potential barriers to screening and views about self-sampling. Results were compared with 479 women treated for CIN2+ who attended gynecologic follow-up and also performed self-sampling. Significant multivariate predictors of long-term non-attender status compared with referents were low Specific Knowledge, high confidence in self-sampling, and potential barriers-refraining from activity to attend gynecologic examination, needing another's help to attend, and long travel time. Non-attenders citing fear/refraining from gynecologic examination as why they preferred self-sampling significantly more often had lowest Specific Knowledge compared with other non-attenders. All non-attenders could envision themselves doing self-sampling again while only 74% of referents endorsed this statement (p = 0.0003). We conclude that HPV self-sampling is an acceptable option for women at increased cervical cancer risk who have been long-term screening non-attenders. Educational outreach to enhance Specific Knowledge about HPV, CIN and cervical cancer is critical. Those non-attenders who explicitly avoid gynecologic examinations need special attention. Trial Registry: Clinicaltrials.gov NCT02750124.
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3.
  • Fridner, Ann, et al. (författare)
  • Survey on recent suicidal ideation among female university hospital physicians in Sweden and Italy (the HOUPE study) : Cross-sectional associations with work stressors
  • 2009
  • Ingår i: Gender Medicine. - : Elsevier USA. - 1550-8579. ; 6:1, s. 314-328
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Suicide rates among physicians are higher than in the general population, and rates among female physicians are particularly high. More female than male physicians report suicidal thoughts, with suicidal ideation being a well-recognized precursor of suicide. The urgent need to find the reasons for suicide risk in female physicians is underscored by society's increasing dependence on this group of health care providers. Objective: The aim of this paper was to identify potential risk and protective factors associated with recent suicidal ideation in female physicians. Methods: A cross-sectional survey analysis of work-related health, organizational culture, career paths, and working conditions was performed among permanently employed female physicians from the HOUPE (Health and Organisation among University Physicians in four European countries) study: 385 in Sweden and 126 in Italy. The main outcome measure was recent (within the prior 12 months) suicidal thoughts. Results: Overall, 13.7% and 14.3% of the participants from Sweden and Italy, respectively, reported suicidal thoughts within the prior 12 months. Among the physicians from Sweden, the most powerful mul-tivariate model for such thoughts included 2 independent variables related to work: degrading experiences/harassment at work (odds ratio [OR], 3.03; 95% CI, 1.48–6.23), and work meetings to discuss stressful situations (OR, 0.36; 95% CI, 0.19–0.69). The model included self-diagnosis and self-treatment as a significant factor. Work meetings to discuss stressful situations were also in the multivariate model for the Italian physicians (OR, 0.21; 95% CI, 0.05–0.86), together with being given work assignments without adequate resources (OR, 5.0; 95% CI, 1.32–18.8). Significant non-work-related factors in the Italian model were younger age and seeking professional help for depression or burnout. Conclusions: In both Sweden and Italy, work stressors have been identified that may increase the risk for suicide for female physicians. A potential protective factor was meetings to discuss stressful work experiences. These findings suggest that such meetings should be more broadly implemented.
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4.
  • Fridner, Ann, et al. (författare)
  • Work Environment and Recent Suicidal Thoughts Among Male University Hospital Physicians in Sweden and Italy : The Health and Organization Among University Hospital Physicians in Europe (HOUPE) Study
  • 2011
  • Ingår i: Gender Medicine. - 1550-8579 .- 1878-7398. ; 8:4, s. 269-279
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Male and female physicians are at elevated suicide risk. The work environment has become a focus of attention as a possible contributor to this risk. The potential association between work environment and suicidal thoughts has been examined among female physicians in several countries, and significant findings have been reported. Objective: The purpose of this study was to examine the role of the work environment in relation to suicidal thoughts among male university hospital physicians in 2 European countries. Methods: Cross-sectional multivariate analysis was performed to identify significant associations between work-related factors and suicide risk among male physicians from the Health and Organization among University Hospital Physicians in Europe (HOUPE) study. The dependent variable was termed recent suicidal thoughts, which includes having thought about suicide and/or having thought about specific ways to commit suicide within the previous year. Adjusted odds ratios (ORs) and CIs are reported. Results: Of the 456 Swedish (56%) and 241 Italian (39%) male physicians who participated, 12% of the physicians from each country reported affirmatively regarding recent suicidal thoughts. Degrading work experiences were associated with recent suicidal thoughts for the Swedish and Italian physicians (OR = 2.1; 95% CI, 1.01–4.5; OR = 3.3; 95% CI, 1.3–8.0, respectively). Role conflict was associated with recent suicidal thoughts among the Swedish physicians (OR = 1.6; 95% CI, 1.1–2.2). Support at work when difficulties arose appeared to be protective for the Swedish physicians (OR = 0.7; 95% CI, 0.5–0.96). Italian physicians with little control over working conditions had an increased risk of recent suicidal thoughts, whereas confidential discussions about work experiences appeared to be protective (OR = 0.6; 95% CI, 0.4–0.9). Conclusion: Attention should be paid to the work environment as it relates to suicide risk among male university hospital physicians, particularly to bolstering social support and preventing harassment.
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5.
  • OrthGomer, K, et al. (författare)
  • Lipoprotein(a) as a determinant of coronary heart disease in young women
  • 1997
  • Ingår i: Circulation. - NATL INST PSYCHOSOC FACTORS & HLTH,HUDDINGE,SWEDEN. DEACONESS HOSP,INST PREVENT CARDIOVASC DIS,BOSTON,MA. HARVARD UNIV,SCH PUBL HLTH,DEPT EPIDEMIOL,BOSTON,MA 02115. KAROLINSKA HOSP,DEPT CARDIOL,S-10401 STOCKHOLM,SWEDEN. KAROLINSKA HOSP,DEPT THORAC RADIOL,S-10401 STOCKHOLM,SWEDEN. UNIV TEXAS,DIV CARDIOL,HOUSTON,TX. : AMER HEART ASSOC. - 0009-7322 .- 1524-4539. ; 95:2, s. 329-334
  • Tidskriftsartikel (refereegranskat)abstract
    • Background Lipoprotein(a) [Lp(a)] appears to be a risk factor for coronary heart disease (CHD) in men. The role of Lp(a) in women, however, is less clear. Methods and Results We examined the ability of Lp(a) to predict CHD in a population-based case-control study of women 65 years of age or younger who lived in the greater Stockholm area. Subjects were all patients hospitalized for an acute CHD event between February 1991 and February 1994. Control subjects were randomly selected from the city census and were matched to patients by age and catchment area. Lp(a) was measured 3 months after hospitalization by use of an immunoturbidometric method (Incstar) calibrated to the Northwest Lipid Research Laboratories (coefficient of variation was <9%). Of the 292 consecutive patients, 110 (37%) were hospitalized for an acute myocardial infarction, and 182 were hospitalized (63%) for angina pectoris. The mean age for both patients and control subjects was 56+/-7 years. Of participants, 74 patients (25%) and 84 control subjects (29%) were premenopausal. The distributions of Lp(a) were highly skewed in both patients and control subjects, with a range from 0.001 to 1.14 g/L. Age-adjusted odds ratio for CHD in the highest versus the lowest quartile of Lp(a) was 2.3 (95% confidence interval [CI], 1.4 to 3.7). After adjustment for age, smoking, education, body mass index, systolic blood pressure, total cholesterol, triglycerides, and HDL, the odds ratio was 2.9 (95% CI, 1.6 to 5.0). The odds ratios were similar when myocardial infarction and angina patients were compared with their respective control subjects. The odds ratios were 5.1 (95% CI, 1.4 to 18.4) and 2.4 (95% CI, 1.3 to 4.5) in premenopausal and postmenopausal women, respectively. Conclusions These results suggest that Lp(a) is a determinant of CHD in both premenopausal and postmenopausal women.
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7.
  • Andisheh, B., et al. (författare)
  • A Comparative Analysis of Radiobiological Models for Cell Surviving Fractions at High Doses
  • 2013
  • Ingår i: Technology in Cancer Research & Treatment (Trykt). - 1533-0346 .- 1533-0338. ; 12:2, s. 183-192
  • Tidskriftsartikel (refereegranskat)abstract
    • For many years the linear-quadratic (LQ) model has been widely used to describe the effects of total dose and dose per fraction at low-to-intermediate doses in conventional fractionated radiotherapy. Recent advances in stereotactic radiosurgery (SRS) and stereotactic radiotherapy (SRT) have increased the interest in finding a reliable cell survival model, which will be accurate at high doses, as well. Different models have been proposed for improving descriptions of high dose survival responses, such as the Universal Survival Curve (USC), the Kavanagh-Newman (KN) and several generalizations of the LQ model, e.g. the Linear-Quadratic-Linear (LQL) model and the Pade Linear Quadratic (PLQ) model. The purpose of the present study is to compare a number of models in order to find the best option(s) which could successfully be used as a fractionation correction method in SRT. In this work, six independent experimental data sets were used: CHOAA8 (Chinese hamster fibroblast), H460 (non-small cell lung cancer, NSLC), NCI-H841 (small cell lung cancer, SCLC), CP3 and DU145 (human prostate carcinoma cell lines) and U1690 (SCLC). By detailed comparisons with these measurements, the performance of nine different radiobiological models was examined for the entire dose range, including high doses beyond the shoulder of the survival curves. Using the computed and measured cell surviving fractions, comparison of the goodness-of-fit for all the models was performed by means of the reduced e-test with a 95% confidence interval. The obtained results indicate that models with dose-independent final slopes and extrapolation numbers generally represent better choices for SRT. This is especially important at high doses where the final slope and extrapolation numbers are presently found to play a major role. The PLQ, USC and LQL models have the least number of shortcomings at all doses. The extrapolation numbers and final slopes of these models do not depend on dose. Their asymptotes for the cell surviving fractions are exponentials at low as well as high doses, and this is in agreement with the behaviour of the corresponding experimental data. This is an important improvement over the LQ model which predicts a Gaussian at high doses. Overall and for the highlighted reasons, it was concluded that the PLQ, USC and LQL models are theoretically well-founded. They could prove useful compared to the other proposed radiobiological models in clinical applications for obtaining uniformly accurate cell surviving fractions encountered in stereotactic high-dose radiotherapy as well as at medium and low doses.
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8.
  • Andisheh, Bahram, et al. (författare)
  • Improving the therapeutic ratio in stereotactic radiosurgery : optimizing treatment protocols based on kinetics of repair of sublethal radiation damage
  • 2013
  • Ingår i: Technology in Cancer Research & Treatment (Trykt). - 1533-0346 .- 1533-0338. ; 12:4, s. 349-361
  • Tidskriftsartikel (refereegranskat)abstract
    • Sublethal damage after radiation exposure may become lethal or be repaired according to repair kinetics. This is a well-established concept in conventional radiotherapy. It also plays an important role in single-dose stereotactic radiotherapy treatments, often called stereotactic radiosurgery, when duration of treatment is extended due to source decay or treatment planning protocol. The purpose of this study is to look into the radiobiological characteristics of normal brain tissue and treatment protocols and find a way to optimize the time course of these protocols. The general problem is nonlinear and can be solved numerically. For numerical optimization of the time course of radiation protocol, a biexponential repair model with slow and fast components was considered. With the clinically imposed constraints of a fixed total dose and total treatment time, three parameters for each fraction (dose-rate, fraction duration, time of each fraction) were simultaneously optimized. A biological optimization can be performed by maximizing the therapeutic difference between tumor control probability and normal tissue complication probability. Specifically, for gamma knife radiosurgery, this approach can be implemented for normal brain tissue or tumor voxels separately in a treatment plan. Differences in repair kinetics of normal tissue and tumors can be used to find clinically optimized protocols. Thus, in addition to considering the physical dose in tumor and normal tissue, we also account for repair of sublethal damage in both these tissues.
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