999 resultados para Medical parasitology


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Frequent advances in medical technologies have brought fonh many innovative treatments that allow medical teams to treal many patients with grave illness and serious trauma who would have died only a few years earlier. These changes have given some patients a second chance at life, but for others. these new treatments have merely prolonged their dying. Instead of dying relatively painlessly, these unfortunate patients often suffer from painful tenninal illnesses or exist in a comatose state that robs them of their dignity, since they cannot survive without advanced and often dehumanizing forms of treatment. Due to many of these concerns, euthanasia has become a central issue in medical ethics. Additionally, the debate is impacted by those who believe that patients have the right make choices about the method and timing of their deaths. Euthanasia is defined as a deliberate act by a physician to hasten the death of a patient, whether through active methods such as an injection of morphine, or through the withdrawal of advanced forms of medical care, for reasons of mercy because of a medical condition that they have. This study explores the question of whether euthanasia is an ethical practice and, as determined by ethical theories and professional codes of ethics, whether the physician is allowed to provide the means to give the patient a path to a "good death," rather than one filled with physical and mental suffering. The paper also asks if there is a relevant moral difference between the active and passive forms of euthanasia and seeks to define requirements to ensure fully voluntary decision making through an evaluation of the factors necessary to produce fully informed consent. Additionally, the proper treatments for patients who suffer from painful terminal illnesses, those who exist in persistent vegetative states and infants born with many diverse medical problems are examined. The ultimate conclusions that are reached in the paper are that euthanasia is an ethical practice in certain specific circumstances for patients who have a very low quality of life due to pain, illness or serious mental deficits as a result of irreversible coma, persistent vegetative state or end-stage clinical dementia. This is defended by the fact that the rights of the patient to determine his or her own fate and to autonomously decide the way that he or she dies are paramount to all other factors in decisions of life and death. There are also circumstances where decisions can be made by health care teams in conjunction with the family to hasten the deaths of incompetent patients when continued existence is clearly not in their best interest, as is the case of infants who are born with serious physical anomalies, who are either 'born dying' or have no prospect for a life that is of a reasonable quality. I have rejected the distinction between active and passive methods of euthanasia and have instead chosen to focus on the intentions of the treating physician and the voluntary nature of the patient's request. When applied in equivalent circumstances, active and passive methods of euthanasia produce the same effects, and if the choice to hasten the death of the patient is ethical, then the use of either method can be accepted. The use of active methods of euthanasia and active forms of withdrawal of life support, such as the removal of a respirator are both conscious decisions to end the life of the patient and both bring death within a short period of time. It is false to maintain a distinction that believes that one is active killing. whereas the other form only allows nature to take it's course. Both are conscious choices to hasten the patient's death and should be evaluated as such. Additionally, through an examination of the Hippocratic Oath, and statements made by the American Medical Association and the American College of physicians, it can be shown that the ideals that the medical profession maintains and the respect for the interests of the patient that it holds allows the physician to give aid to patients who wish to choose death as an alternative to continued suffering. The physician is also allowed to and in some circumstances, is morally required, to help dying patients whether through active or passive forms of euthanasia or through assisted suicide. Euthanasia is a difficult topic to think about, but in the end, we should support the choice that respects the patient's autonomous choice or clear best interest and the respect that we have for their dignity and personal worth.

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There will be a massive increase in the number of medical school graduates over the next 5–10 years — there were 1287 Australian resident graduates in 2004, and there will be more than 3000 by the middle of the next decade.

A workshop held during the 11th National Prevocational Medical Education Forum explored ways to provide the additional prevocational training posts that will be required.

Four possible sites for additional training posts were discussed:
         • expansion of public hospital training posts;
         • general practice;
         • private hospitals; and
         • other sites, including private rooms and community placements.

Current accreditation procedures will need to be amended to accommodate more interns.

There will be limited access to prevocational training posts for non-resident (full-fee-paying) graduates and international medical graduates.

There is an urgent need for postgraduate medical councils, state health departments, the federal government, and medical boards to work together to identify, develop and accredit new training posts.

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Background : Optimising the use of electronic data offers many opportunities to health services, particularly in rural and remote areas. These include reducing the effect of distance on access to clinical information and sharing information where there are multiple service providers for a single patient. The increasing compilation of large electronic databases of patient information and the ease with which electronic information can be transferred has raised concerns about the privacy and confidentiality of such records.
Aims & rationale/Objectives : This review aims to identify legal and ethical standards for areas of electronic governance where a lack of clarity may currently impede innovation in health service delivery.
Methods : This paper describes best practices for storage and transfer of electronic patient data based on an examination of Australian legislative requirements and a review of a number of current models. This will firstly allow us to identify basic legal requirements of electronic governance as well as areas of ambiguity not fully addressed by legislation. An examination of current models will suggest recommendations for best practice in areas lacking sufficient legal guidance.
Principal findings : We have identified the following four areas of importance, and shall discuss relevant details:
1) Patients' right of ownership to electronic patient records. 2) Custodial issues with data stored in centralised health care institutions 3) IT Security, including hierarchical level access, data encryption, data transfer standards and physical security 4) Software applications usage.
Discussion : Our examination of several models of best practice for the transfer of electronic patient data, both in Australia and internationally, identifies and clarifies many unresolved issues of electronic governance. This paper will also inform future policy in this area.
Implications : Clarification will facilitate the future development of beneficial technology-based innovations by rural health services.
Presentation type : Poster

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Recent research on evidence-based medical practice has highlighted trends and patterns among medically qualified poor performers, and has produced a profile of risky performers in the profession. Drawing on empirically derived examples from medical practitioners based on reviews of recent government-ordered inquiries of hospitals in Australia, behaviours and practices that increase the risk of poor performance are identified. These findings permit development of a preventive approach to intervene before the problematic performance generates complaints to regulatory bodies. Preventive risk assessment measures to serve the interests of patients and the public are reviewed. These findings will be of interest to individual practitioners, and to those who regulate the profession, such as medical associations, medical councils and medical defense unions.

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Many mischiefs arise on the change of a maxim and rule of the Common Law, which those who altered it could not see when they made the change.

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The life of every living organism is sustained by the presence of oxygen and the acute deprivation of oxygen will, therefore, result in hypoxia and ultimately death. Although oxygen is normally present in the air, higher concentrations are required to treat many disease processes. Oxygen is therefore considered to be a drug requiring a medical prescription and is subject to any law that covers its use and prescription. Administration is typically authorized by a physician following legal written instructions to a qualified nurse. This standard procedure helps prevent incidence of misuse or oxygen deprivation which could worsen the patients hypoxia and ultimate outcome. Delaying the administration of oxygen until a written medical prescription is obtained could also have the same effect. Clearly, defined protocols should exist to allow for the legal administration of oxygen by nurses without a physicians order because any delay in administering oxygen to patients can very well lead to their death.

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Objective: To determine the prevalence of malnutrition in a population of elderly hospitalised patients and to explore health professionals' perceptions and awareness of signs and risks of malnutrition and treatment options available.

Subjects and design:
One hundred elderly patients and 57 health professionals from medical wards of a tertiary teaching hospital. Quantitative and qualitative study design using a validated malnutrition assessment tool (Mini Nutritional Assessment) and researcher-designed questionnaire to assess health professionals' knowledge of nutrition risk factors.

Main outcome measures: Mini Nutritional Assessment score, nutrition risk category and themes in health professionals' knowledge and awareness of malnutrition and its risk factors.

Results: Thirty per cent of patients were identified as malnourished while 61% were at risk of malnutrition. Documentation by health professionals of two major risk factors for malnutrition—recent loss of weight and appetite—were poor with only 19% and 53% of patients with actual loss of weight or appetite, respectively, identified by staff and only 7% and 9% of these patients, respectively, referred for dietetic assessment. While health professionals' knowledge of important medical risk factors for malnutrition was good, their knowledge of malnutrition risk factors such as recent loss of weight and loss of appetite was poor. Medical staff focused on biochemical factors when assessing nutrition status, while nursing staff focused on skin integrity and turgor.

Conclusion: Malnutrition in elderly hospitalised patients remains a significant problem with low rates of recognition and referral by medical and nursing staff. Considerable scope exists to develop training and education tools and to implement an appropriate nutrition screening policy to improve referral rates to dietitians.

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Introduction. Sexual function through pregnancy and the postpartum period is an important aspect of quality of life.
Despite this, prospective studies are limited, and the impact of body image on sexual function has not been explored.
Aims. The current study reports on a pilot study that evaluated the effectiveness of a combined Internet-based
psychological treatment program and oral medication compared to an Internet-based psychological program.
Methods. Twelve men with ED participated in the study.
Main Outcome Measures. Assessments were made pre and postintervention on ED, relationship satisfaction, sexual
satisfaction, self-esteem, and quality of life.
Results. Multivariate analyses of variance demonstrated that both treatment conditions showed improvements from
pretest to posttest in sexual functioning, relationships, and personal well-being.
Conclusions. This study indicates the importance of targeting psychological and relationship variables in the
treatment of ED. Further research with larger numbers of participants is necessary for a more rigorous evaluation
of treatment programs that combine psychological and medication interventions for ED.

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To determine perceived barriers to continuing education for Australian hospital-based prevocational doctors, a cross sectional cohort survey was distributed to medical administrators for secondary redistribution to 2607 prevocational doctors from August 2003 to October 2004. Four hundred and seventy valid questionnaires (18.1%) were returned. Only seven per cent (33/470) did not identify any barriers to continuing education. Barriers identified the most were lack of time (85% [371/437]), clinical commitment (65% [284/437]), resistance from registrars (13% [57/437]) and resistance from consultant staff (10% [44/437]). Other barriers included workload issues (27% [27/98]), teaching program inadequacies (26% [25/98]), lack of protected time for education (17% [17/98]), motivational issues (11% [10/98]) and geographic remoteness (10% [10/98]). Australian graduates (87%) identified lack of time more frequently than international medical graduates (77%) (P=0.036). Perceived barriers did not differ significantly between doctors of differing postgraduate years.