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Search Results: 1 - 10 of 50518 matches for " Y Guidozzi "
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Professionalism in the intimate examination: How healthcare practitioners feel about having chaperones present during an intimate consultation and examination
Y Guidozzi, J Gardner, A Dhai
South African Medical Journal , 2013,
Abstract: Background. Despite the clear prohibition against sexual relations with one’s patients, complaints of a sexual nature against practitioners registered with the Health Professions Council of South Africa (HPCSA) have been increasing. The HPCSA does not provide ethical guidelines regarding the use of a chaperone during intimate examinations. Aims. (i) To ascertain how a group of medical practitioners felt about the presence of chaperones during the consultation and intimate examination of patients; (ii) to determine whether they currently engage the services of chaperones; (iii) to assess how they felt about consensual sexual relationships between medical practitioners and their patients. Methods. A self-administered, questionnaire-based survey was distributed to gynaecologists and medical practitioners. Results. There was a 43% response rate with 72% of practitioners in favour of using a chaperone during an intimate examination, although only 27% always do so. Most practitioners felt that consensual sexual relationships with patients are unacceptable; 83% felt that ethical guidelines on this topic were needed. Conclusion. The HPCSA should develop guidelines on the use of chaperones to assist practitioners. With medical litigation increasing, using chaperones will benefit patients and practitioners.
Professionalism and the intimate examination – are chaperones the answer?
A Dhai, J Gardner, Y Guidozzi, G Howarth, M Vorster
South African Medical Journal , 2011,
Abstract: Complaints of sexual impropriety against health care practitioners are escalating. Professionalism in the practitioner-patient relationship and the role-based trust in health care do not allow crossing of sexual boundaries. Communication with patients is key to prevent erroneous allegations of sexual misconduct. The intimate examination is difficult to define. A chaperone present during an intimate examination protects the patient and practitioner and should be considered a risk reduction strategy in practice. S Afr Med J 2011;110:814-816.
The ‘war on drugs’ has failed: Is decriminalisation of drug use a solution to the problem in South Africa?
R Fellingham, A Dhai, Y Guidozzi, J Gardner
South African Journal of Bioethics and Law , 2012,
Abstract: This article engages in the debate surrounding decriminalisation of drug use and whether this is a possible solution to the problem of drug use in South Africa – a question becoming more prevalent in global discussions about drug policy and its efficacy. We argue that two aspects must be addressed when evaluating a policy: its philosophical justification and its efficacy. We find that criminalising drugs may be justified by the public harm principle, but it does not effectively achieve the purpose of preventing and decreasing drug use and associated burdens. Thus, we argue that prohibition is a constitutional limitation, but does not necessarily achieve its purpose in the least repressive or most effective way. Finally, we suggest that a solution to the drug problem will have to address the health needs of the drug user and the context, particularly socio-economic, of drug use. Decriminalisation could theoretically do this by changing society’s perception of drug users, thus helping to promote a human rights-based, public health-orientated approach to the drug problem in South Africa.
The HPV Vaccine - What the Family Practitioner Needs to Know
F Guidozzi
South African Family Practice , 2008,
Abstract: This article reviews the impact of human papilloma virus infection on the development of cervical cancer and the efficacy of newly developed HPV vaccines. These vaccines may have a major impact on the reduction of these common malignancies. South African Journal of Family Practice Vol. 50 (4) 2008: pp. 22-24
A New Paradigm for Metallic Alloys in Materials Science  [PDF]
Y. Ustinovshikov
Advances in Materials Physics and Chemistry (AMPC) , 2015, DOI: 10.4236/ampc.2015.57025
Abstract: In the article, taking into account the phase transition “ordering-phase separation” discovered in alloys, new concepts about the diffusion phase transformations in alloys are formulated: chemical interaction between dissimilar atoms exists always in all alloys and at any temperature of heating; alloys offer a surprising and not previously known property of changing the sign of the chemical interaction between dissimilar atoms at a change of the temperature or composition of alloys; diffusion processes occurring in alloys at different temperatures depend on the sign and the absolute magnitude of the energy of the chemical interaction between dissimilar atoms. All these three concepts are analyzed in detail, by the example of Ni-based and Co-based binary alloys using experimental results obtained by transmission electron microscopy. It is shown, on these ideas, how to carry out heat treatment of alloys more rationally, what principles should underpinned in the base of the construction of phase diagrams, how the microstructures of ordering and phase separation affect some properties of alloys.
Quasi-Square Wave Mode Phase-Shifted PWM LCC Resonant Converter for Regulated Power Supply  [PDF]
S. PADMANABHAN, Y. SUKHI, Y. JEYASHREE
Engineering (ENG) , 2009, DOI: 10.4236/eng.2009.13024
Abstract: This paper presents an improved self sustained oscillating controller circuit using LCC components for improving the overall efficiency of the system. It has a micro controller based active controller, which controls the performance from no-load up to full-load. The steady state characteristics are developed and a design example is given in detail. The proposed controller allows zero current switching at any loading condition which results in a reasonable reduction of power loss during switching with a promising efficiency. Analytical and experimental results verify the achievement the design specifications.
After the Treatment Phase of Colorectal Cancer Care: Survivorship and Follow-Up  [PDF]
Maria Y. Ho, Winson Y. Cheung
Journal of Cancer Therapy (JCT) , 2012, DOI: 10.4236/jct.2012.326125
Abstract: The number of long-term colorectal cancer (CRC) survivors has increased substantially over the past three decades due to both ongoing advances in early detection and improvements in cancer therapies. Adult survivors of CRC experience chronic health conditions due to normal issues associated with aging, which is further compounded by the long-term adverse effects of having had cancer and anti-cancer therapies. In addition, they are at a higher risk for CRC recurrences, new primary cancers, and other co-morbidities. This article will provide an overview of the clinical care of adult survivors of CRC. Epidemiologic data will be presented followed by a discussion of the approach to the care of long-term adult survivors of CRC, including surveillance of recurrences and new primary cancers, interventions to manage both physical and psychological consequences of cancer and its treatments, and strategies to address concerns related to unemployment and disability. Finally, we will explore the challenges of healthcare delivery, especially with respect to the coordination of follow-up between cancer specialists and primary care physicians, so as to ensure that all of the survivor’s health needs are met promptly and appropriately.
Electronic states and pairing symmetry in the two-dimensional 16 band d-p model for iron-based superconductor
Y. Yanagi,Y. Yamakawa,Y. ōno
Physics , 2008, DOI: 10.1143/JPSJS.77SC.149
Abstract: The electronic states of the FeAs plane in iron-based superconductors are investigated on the basis of the two-dimensional 16-band d-p model, where the tight-binding parameters are determined so as to fit the band structure obtained by the density functional calculation for LaFeAsO. The model includes the Coulomb interaction on a Fe site: the intra- and inter-orbital direct terms U and U', the exchange coupling J and the pair-transfer J'. Within the random phase approximation (RPA), we discuss the pairing symmetry of possible superconducting states including s-wave and d-wave pairing on the U'-J plane.
Detecting the light of the night sky in Mars  [PDF]
Nebil Y. Misconi
Natural Science (NS) , 2011, DOI: 10.4236/ns.2011.34036
Abstract: In this paper a new methodology is outlined to detect the dust content in the Martian atmosphere during nighttime. In the previous Lander missions to Mars, scientists were able to determine the dust load in the Martian atmosphere during daylight using spectral lines of the Sun. Since the dynamics of Martian dust storms had been determined to be very rapid changing over times of hours and not days, it is imperative to determine the dust load during nighttime, so future astronauts to Mars can take protective measures for their equipment. They can also factor this effect for their planned activities during daytime. The new methodology greatly improves on the classical method for determining the extinction in the Earth’s atmosphere. The classical method uses observations of bright stars from which the optical depth, ?total, can then be deduced from the classical brightness equation. The classical method succeeds reasonably well at high elevation angles from the horizon but fails dramatically at low elevation angles. It also determines ?total from the slope of a plot of observed brightness of a bright star vs. air mass at all elevations. The plot shows a straight line at high elevations angles, which then curves and becomes uncertain at low elevation angles. The new methodology bypasses this severe difficulty by simply eliminating this plot, and by acquiring the brightness of a bright star above the atmosphere (no extinction) and compares it to the observed bright- ness of the same star below the atmosphere at all elevations.
The Effects of Dimension Ratio and Horizon Length in the Micropolar Peridynamic Model  [PDF]
Y. Ferhat, I. Ozkol
Engineering (ENG) , 2011, DOI: 10.4236/eng.2011.36071
Abstract: The aim of this study is to investigate the effects of horizon selection on the elastic behaviour of plate type structures in the micropolar peridynamic theory. Plates with various lengths and widths have been investi-gated using micropolar peridynamic model for different horizon selections. The mathematical model of plates has been provided applying the micropolar peridynamic theory and solution of this model has been obtained by finite element methods. The displacement fields have been computed for the different horizons and dimension ratios of plates. To compute the displacement field a program code has been developed by using the software package MATHEMATICA. The results obtained have been compared with the analytical solution of the classical elasticity theory and with the solution of displacement based finite element methods. For displacement based finite element method solution the software package ANSYS has been used. Ac-cording to results it has been observed that the displacement fields of the plates are strongly affected by ho-rizon selection. Therefore a question raises that which horizon length should be used with the problem in hand or is there any method to find the appropriate/best horizon length.
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