998 resultados para 320402 Medical Virology


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Objectives. This study aimed to investigate the knowledge, attitudes and perceptionstowards contraceptive use and counselling among medical students in Maharashtra, India. Setting. Considerable global maternal mortality and morbidity could be avoided through theuse of effective contraception. In India, contraception services are frequently unavailable or there are obstacles to obtaining modern, reversible contraceptives. Participants. A cross-sectional descriptive study using a self-administered questionnaire was conducted among 1996 medical students in their fifth year of study at 27 medical colleges in the state of Maharashtra, India. Descriptive and analytical statistics interpreted the survey instrument and significant results were presented with 95% CI. Results. Respondents expressed a desire to provide contraceptive services. A few studentshad experienced training in abortion care. There were misconceptions about moderncontraceptive methods and the impact of sex education. Attitudes towards contraceptionwere mainly positive, premarital counselling was supported and the influence of traditional values and negative provider attitudes on services was recognised. Gender, area of upbringing and type of medical college did not change the results. Conclusions. Despite mostly positive attitudes towards modern contraceptives, sex education and family planning counselling, medical students in Maharashtra have misconceptions about modern methods of contraception. Preservice and in-service training in contraceptive counselling should be implemented in order to increase women's access to evidence-based maternal healthcare services.

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Background: The need for multiple clinical visits remains a barrier to women accessing safe legal medical abortion services. Alternatives to routine clinic follow-up visits have not been assessed in rural low-resource settings. We compared the effectiveness of standard clinic follow-up versus home assessment of outcome of medical abortion in a low-resource setting. Methods: This randomised, controlled, non-inferiority trial was done in six health centres (three rural, three urban) in Rajasthan, India. Women seeking early medical abortion up to 9 weeks of gestation were randomly assigned (1:1) to either routine clinic follow-up or self-assessment at home. Randomisation was done with a computer-generated randomisation sequence, with a block size of six. The study was not blinded. Women in the home-assessment group were advised to use a pictorial instruction sheet and take a low-sensitivity urine pregnancy test at home, 10-14 days after intake of mifepristone, and were contacted by a home visit or telephone call to record the outcome of the abortion. The primary (non-inferiority) outcome was complete abortion without continuing pregnancy or need for surgical evacuation or additional mifepristone and misoprostol. The non-inferiority margin for the risk difference was 5%. All participants with a reported primary outcome and who followed the clinical protocol were included in the analysis. This study is registered with ClinicalTrials.gov, number NCT01827995. Findings: Between April 23, 2013, and May 15, 2014, 731 women were recruited and assigned to clinic follow-up (n=366) or home assessment (n=365), of whom 700 were analysed for the main outcomes (n=336 and n=364, respectively). Complete abortion without continuing pregnancy, surgical intervention, or additional mifepristone and misoprostol was reported in 313 (93%) of 336 women in the clinic follow-up group and 347 (95%) of 364 women in the home-assessment group (difference -2.2%, 95% CI -5.9 to 1.6). One case of haemorrhage occurred in each group (rate of adverse events 0.3% in each group); no other adverse events were noted. Interpretation Home assessment of medical abortion outcome with a low-sensitivity urine pregnancy test is non-inferior to clinic follow-up, and could be introduced instead of a clinic follow-up visit in a low-resource setting.

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Current legislation does not permit the administration of first line resuscitation medications by suitably qualified Division 1 registered nurses (RNs) in the absence of a medical officer. This omission by the Drugs,  Poisons and Controlled Substances Act 1981 (Vic) and the Drugs, Poisons and The Controlled Substances Regulations 1995 (Vic) leaves many critical care nurses in a vulnerable legal position.

The primary aim of this study was to gauge the view of critical care nurses with respect to lobbying for change to the current legislation. In addition, the study aimed to explore and describe the educational preparation, practice perceptions and experiences of RNs working in critical care regarding cardiopulmonary resuscitation and the administration of first line advanced life support (ALS) medications in the absence of a medical officer. It was anticipated that data collected would demonstrate some of the dilemmas associated with the initiation and administration of ALS medications for practising critical care nurses and could be used to inform controlling bodies in order for them to gain an appreciation of the issues facing critical care nurses during resuscitation.

A mailout survey was sent to all members of the Victorian Branch of the Australian College of Critical Care Nurses (ACCCN). The results showed that the majority of nurses underwent an annual ALS assessment and had current ALS accreditation. Nurses indicated that they felt educationally prepared and were confident to manage cardiopulmonary resuscitation without a medical officer; indeed, the majority had done so. The differences in practice issues for metropolitan, regional and rural nurses were highlighted. There is therefore clear evidence to suggest that legislative amendments are appropriate and necessary, given the time critical nature of cardiopulmonary arrest. There was overwhelming support for ACCCN Vic. Ltd to lobby the Victorian government for changes to the law.

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Women with endometriosis experience a range of problems for which they may or may not be adequately supported. This paper reports on one aspect of a study conducted at the Epworth Hospital, Melbourne, to identify the information needs of women facing laparoscopy for endometriosis. A number of focus groups were conducted that provided women with a forum for communicating their experiences of endometriosis and laparoscopy. The findings include the experiences of 61 women who described the lack of support, the struggles and the losses involved in living with endometriosis. By far the worst experience that these women described was the encounter with health professionals and the ways in which their symptoms were trivialised and dismissed. There is a great deal for nurses to learn about the experience of living with endometriosis if they are to support women with this chronic illness in their search for well-being.

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This article asks whether medical practitioners' duty of care to their patients will encompass participation in the HealthConnect shared electronic records initiative. Medico-legal aspects of the HeathConnect scheme relating to the nature of shared electronic health record summaries (SEHRS) are examined, focusing on their function as an element of patient care and their ultimate purpose. The analysis is based on the premise that an incomplete and hence inaccurate shared electronic health record summary is clinically and legally more perilous than no record at all.

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Decisions to withhold or withdraw medical hydration and nutrition are amongst the most difficult that confront patients and their families, medical
and other health professionals all over the world. This article discusses two cases relating to lawful withdrawal and withholding of a percutaneous endoscopic gastrostomy tube (PEG) from incompetent patients with no hope of recovery. Victoria and Florida have statutory frameworks that provide for advance directives, however in both Gardner; Re BWV and Schindler v Schiavo; Re Scliiavo the respective patients did not leave documented instructions. The article analyses the two cases and their outcomes from legal, medical and ethical perspectives.

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• Summary: This paper explores how medical knowledge in child protection practice operates, in conjunction with social work knowledge and legal knowledge, as a social process of constructing meaning as ‘maltreatment’ (or not) in which the physical body of the child and perceived abnormalities represent ‘evidence’. Through discourse analysis of two case studies, this paper makes explicit and problematizes the social processes by which meanings are given by medical practitioners, social workers, police and parents to material experiences, the preference given to some meanings over others, and the econsequences of particular meanings for children and families and social work practice.

• Findings:
Medical, social and legal knowledge are not neutral but embedded in power relations. The case studies show, through a sociological analysis of professional practice in child protection, how preferred versions of knowledge and meaning may override or dismiss alternative meanings, with particular consequences for parents and children and for practice outcomes.

• Applications: The case studies offer opportunities by which critically to engage with child protection knowledge, policy and practice in keeping with contemporary approaches that advocate dialogue, critical reflection and reflexivity, so that professional knowledge and professional power may be deployed constructively rather than oppressively.

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Data mining refers to extracting or "mining" knowledge from large amounts of data. It is an increasingly popular field that uses statistical, visualization, machine learning, and other data manipulation and knowledge extraction techniques aimed at gaining an insight into the relationships and patterns hidden in the data. Availability of digital data within picture archiving and communication systems raises a possibility of health care and research enhancement associated with manipulation, processing and handling of data by computers.That is the basis for computer-assisted radiology development. Further development of computer-assisted radiology is associated with the use of new intelligent capabilities such as multimedia support and data mining in order to discover the relevant knowledge for diagnosis. It is very useful if results of data mining can be communicated to humans in an understandable way. In this paper, we present our work on data mining in medical image archiving systems. We investigate the use of a very efficient data mining technique, a decision tree, in order to learn the knowledge for computer-assisted image analysis. We apply our method to the classification of x-ray images for lung cancer diagnosis. The proposed technique is based on an inductive decision tree learning algorithm that has low complexity with high transparency and accuracy. The results show that the proposed algorithm is robust, accurate, fast, and it produces a comprehensible structure, summarizing the knowledge it induces.

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The purpose of this study was to describe patterns of medical and nursing practice in the care of patients dying of oncological and hematological malignancies in the acute care setting in Australia. A tool validated in a similar American study was used to study the medical records of 100 consecutive patients who died of oncological or hematological malignancies before August 1999 at The Canberra Hospital in the Australian Capital Territory. The three major indicators of patterns of end-of-life care were documentation of Do Not Resuscitate (DNR) orders, evidence that the patient was considered dying, and the presence of a palliative care intention. Findings were that 88 patients were documented DNR, 63 patients' records suggested that the patient was dying, and 74 patients had evidence of a palliative care plan. Forty-six patients were documented DNR 2 days or less prior to death and, of these, 12 were documented the day of death. Similar patterns emerged for days between considered dying and death, and between palliative care goals and death. Sixty patients had active treatment in progress at the time of death. The late implementation of end-of-life management plans and the lack of consistency within these plans suggested that patients were subjected to medical interventions and investigations up to the time of death. Implications for palliative care teams include the need to educate health care staff and to plan and implement policy regarding the management of dying patients in the acute care setting. Although the health care system in Australia has cultural differences when compared to the American context, this research suggests that the treatment imperative to prolong life is similar to that found in American-based studies.