8 resultados para Screening-programs

em University of Queensland eSpace - Australia


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The primary aim of the present study was to investigate parent satisfaction with a neonatal hearing screening program through use of a valid and reliable questionnaire developed for this purpose (Parent Satisfaction Questionnaire with Neonatal Hearing Screening Program; PSQ-NHSP). Eighty parents whose children had received hearing screening participated in this study. High levels of satisfaction were reported with more than 90% of parents satisfied with all aspects of the program. The PSQ-NHSP was analyzed for validity and reliability and demonstrated excellent internal consistency reliability (sigma = 0.94) and excellent test-retest reliability (rho = 0.97). Content validity of the PSQ-NHSP was partially established by reviewing available literature on parent satisfaction studies in other pediatric health-care service programs. Construct validity of the PSQ-NHSP was indicated by a significant positive relationship between overall satisfaction and the three specific dimensions in the questionnaire. The satisfaction questionnaire was found to be a useful instrument for identifying service shortfalls, and routine use of the PSQ-NHSP in other neonatal hearing screening programs is recommended.

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Women's magazines in Australia have become increasingly involved in various public health awareness campaigns. In particular, breast cancer has been targeted as an issue for attention. This disease occupies a privileged position in women's magazines, being represented as treatable and survivable with an emphasis on the advocacy of early detection through breast self-examination and screening programs. In this way, women's magazines can be seen to be proactive in serving the public interest of their readers. Information and advice about breast cancer are not limited to medical articles, advice columns and diet pages, but occur, perhaps more accessibly, in feature articles of personal accounts of experiences with breast cancer. This paper looks at coverage of the disease in Australian women's magazines over the last 3 years to see how this role in public health awareness operates. It pays particular attention to illness narratives in feature articles and to stories associated with the magazines' own breast cancer campaigns.

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Vaccines to prevent infection with high-risk human papillomaviruses (HPV) will help protect women against cervical cancer, and some are likely to be available within the next year. One vaccine, a quadrivalent vaccine against HPV types 6, 11, 16 and 18 and known as Garadsil ©(Merck &Co., Inc), was approved by the Federal Drug Administration (FDA) for the prevention of cervical cancer, cervical cancer precursors and vulval and vaginal cancer precursors associated with HPV 16 and 18 in June 2006. In addition, the vaccine has been approved for the prevention of genital warts and low grade cervical lesions e.g. cervical intraepithelial neoplasia1. The main vaccines components are recombinant viral capsid proteins assembled into virus-like particles and alum-based adjuvants. If given before HPV infection, the vaccines, which induce HPV type-specific, virus-neutralizing antibodies, have proven safe and highly effective at preventing HPV infection and its clinical consequences, including high-grade cervical lesions. Their use should not immediately alter existing screening programs for cervical cancer, however. Because they incorporate only the 2 HPV types most commonly associated with cervical cancer (HPV-16 and HPV-18), they can only prevent about 70% of cervical cancers. Vaccines to treat existing HPV infection are under development but are unlikely to become clinically available in the near future.

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This study explored urinary cadmium levels among Torres Strait Islanders in response to concerns about potential health impact of high levels of cadmium in some traditional seafood (dugong and turtle liver and kidney). Cadmium levels were measured by inductively coupled mass spectrometry in de-identified urine samples collected during general screening programs in 1996 in two communities with varying dugong and turtle catch statistics. Statistical analysis was performed to identify links between cadmium levels and demographic and background health information. Geometric mean cadmium level among the sample group was 0.83 mu g/g creatinine with 12% containing over 2 mu g/g creatinine. Cadmium level was most strongly associated with age (46% of variation), followed by sex (females > males, 7%) and current smoking status (smokers > non-smokers, 4.7%). Adjusting model conditions suggested further positive associations between cadmium level and diabetes (p = 0.05) and residence in the predicted higher exposure community (p = 0.07). Positive correlations between cadmium and body fat in bivariate analysis were eliminated by control for age and sex. This study found only suggestive differences in cadmium levels between two communities with predicted variation in exposure from traditional foods. However, the data indicate that factors linked with higher cadmium accumulation overlap with those of renal disease risk (i.e. older, females, smokers, diabetes) and suggest that levels may be sufficient to contribute to renal pathology. More direct assessment of exposure and health risks of cadmium to Torres Strait Islanders is needed given the disproportionate level of diet-related disease and the cultural importance of dugong and turtle. This study highlights the need to consider social and cultural variation in exposure and to de. ne "safe'' cadmium levels during diabetes given its rising global prevalence.

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The evaluation of a community-based screening programme for melanoma (SkinWatch) in 18 regional communities (total adult population >30 years 63 035) in Queensland, Australia is described. The aim of the SkinWatch programme was to promote whole-body skin screening for melanoma by primary care physicians. The programme included community education, education and support for local medical practitioners and open-access skin screening clinics. Programme delivery was achieved through assistance of local volunteers. All programme activities and resources were recorded for process evaluation. A baseline telephone survey (n = 3110) and a telephone survey four months after programme launch (n = 680) assessed community awareness of the SkinWatch programme and, 37 face-to-face interviews with community members, doctors and community leaders were conducted to assess satisfaction with the programme. A sample of 1043 of 16 383 residents who attended the skin screening clinics provided as part of the programme were interviewed to assess reasons for attending, and positive and negative aspects of SkinWatch programme. Community awareness of the SkinWatch programme increased by over 30% (p < 0.001) within four months of the start of the programme. Interview participants described the SkinWatch programme as a useful service for the communities and 90% stated they would revisit the clinics. A total of 43% of all attendees were over 50 years old, and nearly 50% were men. These findings demonstrate the acceptability and feasibility of a community-based screening programme for melanoma in rural areas. Volunteers were instrumental in increasing community ownership of and involvement in the SkinWatch programme.

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Screening for drought resistance of rainfed lowland rice using drought score (leaf death) as a selection index has a long history of use in breeding programs. Genotypic variation for drought score during the vegetative stage in two dry season screens was examined among 128 recombinant inbred lines from four biparental crosses. The genotypic variation detected for drought score in the dry season was used to examine the reliability of the dry season screening method to estimate relative grain yield of genotypes under different types of drought stress in the wet season. Large genotypic variation for drought score existed in two experiments (A and B). However, there was no relationship between the drought scores of genotypes determined in these two experiments. Different patterns of development and severity of drought stress in these two experiments, i.e. slow development and mild plant water deficit in experiment A and fast development and severe plant water deficit in experiment B, were identified as the major factors contributing to the genotypes responding differently. Larger drought score in the dry season experiments was associated with lower grain yield under specific drought stress conditions in the wet season, but the association was weak to moderate and significant only in particular drought conditions. In most cases, a significant phenotypic and moderate genetic correlation between drought score in the dry season and grain yield in the wet season existed only when both drought score and grain yield of genotypes were affected by similar patterns and severity of drought stress in their respective experimental environments. The dry season environments used to measure genotypic variation for drought score should be managed to correspond to relevant types of drought environment that are frequent in the wet season. The efficiency of using the drought score as an indirect selection criterion for improving grain yield for drought conditions was lower than the direct selection for grain yield, and hence wet season screening with grain yield as a selection criterion would be more efficient. However, using drought score as a selection index, a larger number of genotypes can be evaluated than for wet season grain yield. Therefore, it is possible to apply higher selection intensities using the drought score system, and the selected lines can be further tested for grain yield in the wet season. (C) 2004 Elsevier B.V. All rights reserved.