health physics

A review of the operational health physics papers published in Health Physics and Operational Radiation Safety over the past fifteen years indicated seventeen general categories or areas into which the topics could be readily separated...

..Eventually, new recommendations were agreed by the Commission at its meeting in Essen in March 2007. This paper provides a review of these new recommendations and their possible implications...

..Adherence to these practice guidelines can be part of ensuring quality and safety in a successful prostate brachytherapy program...

Preplanning and organization can facilitate the health physics response in the event of a medical radiation emergency...

..How shall the dual gaps, one in access to basic medical services and the other in access to high-quality modern technology, be addressed?..

..federal regulations and the impact of the regulations on personnel dosimetry. Finally, there will be a discussion of what the future may hold in terms of the types of dosimeters and the approaches to personnel monitoring, in particular...

Medical health physics is the profession dedicated to the protection of healthcare providers, members of the public, and patients from unwarranted radiation exposure...

In this article an overview of the historical development of light water reactor health physics programs is presented...

Environmental health physics is an interdisciplinary field, involving study of the release, transport, and fate of radioactive material in the environment...

..The evolution and roles of international and national scientific recommending and regulatory organizations that shape U.S. radiation protection policy are described and discussed...

..the various activities involved with opening a sealed legacy "Seventeen-inch" concrete vault and the health physics challenges and solutions employed...

..This memorandum summarises the initial presentation of the main ideas in the draft recommendations by the ICRP Chairman, Roger Clarke, and then presents the views of the six panellists...

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A review of the operational health physics papers published in Health Physics and Operational Radiation Safety over the past fifteen years indicated seventeen general categories or areas into which the topics could be readily separated...

In this article an overview of the historical development of light water reactor health physics programs is presented...

..108 of L.D. no. 230 of March 17, 1995 and, art. 4 and attachment III of L.D. no. 187 of May 26). In this paper medical ethics, research, methodological issues and aspects of ionizing radiation are discussed...

..The key features of the Recommendations made by ICRP from 1928 up to the current 1990 version are identified...

..As such, no major changes to radiological protection regulations based on the 1990 recommendations should be necessary...

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..Medical physicists have been involved, and continue to be involved, in all aspects of radiation protection in medicine at a national, State and hospital level...

..The OIR series of publications will be accompanied by a supporting Guidance Document that will give advice on the interpretation of bioassay data...

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..0 cm. The electric and magnetic immunity levels ranged from 35.1 to 267.6 V m(-1) and from 1.0 to 16.6 A m(-1), respectively. Electromagnetic immunity levels of SEPDs should be strengthened from the standpoint of radiation protection...

..It is suggested that the International Atomic Energy Agency's approach is more balanced where each nuclide receives its own exclusion level instead of the incomplete and arbitrary categories proposed by the ICRP...

..The paper also suggests that other educational philosophies, such as the progressive philosophy, should be examined to provide a rich foundation for improving the educational experience and outcomes...

..Possible options for improving the means of systematically collecting initial compliant data in the future are also discussed...

..This article also reviews steps under consideration to improve the current online course to make it a more effective tool in radiation safety instruction...

..From the age distribution of DGMP-members and the calculated deficit resulted a training capacity of about 100 medical physicists at all per year (19 in radiation therapy) if the deficit shall be cut back in 10 years...

..The average effective doses due to 40K are 187 +/- 32 microSv y(-1) for males and 150 +/- 27 microSv y(-1) for females...

..Considering the age distribution of the DGMP members, a training capacity of about 100 medical physicists per year is needed to eliminate the calculated deficit within the next 10 years...

In response to the Health Physics Society's recent 'radiation safety without borders" initiative, the South Texas Chapter of the Health Physics Society selected Costa Rica as its partner country of choice...

..The principal nuclides identified in the irradiated cerrobend block were In, Sn, Cd, Pb. The corresponding nuclear reactions from which the residual radionuclides produced were confirmed by consulting the current literature...

Under the Atoms for Peace program, Turkey received a one MWt swimming pool reactor in 1962 that initiated a health physics program for the reactor and a Radiation Control Program (RCP) for the country's use of ionizing radiation...

Medical health physics is the profession dedicated to the protection of healthcare providers, members of the public, and patients from unwarranted radiation exposure...

..Thus it is essential that all stakeholders involved in this issue participate in developing consensus solutions...

..To achieve this, a European Collaborative Group on Residential Radon and Lung Cancer was initiated and its findings should be published in 2004...

..and occupational exposure data were derived from personnel, occupational medicine, industrial hygiene, and health physics records. Exposure-disease associations were evaluated using conditional logistic regression...

..To me the future is clear: "To achieve more, we should imagine together."..

..It is used by facility radiation protection staff and on-call dosimetry support staff during the first few days following an intake...

..In the long run, his continuing personal influence on radiation protection as a branch of science and a kind of role model for other types of environmental protection may attain an even greater importance...

..The activities of 232Th measured by applying neutron activation analysis in different samples were compared with the results found by a spectrometry and gamma spectrometry for the daughter nuclides 228Ac and 224Ra...

..Adherence to these practice guidelines can be part of ensuring quality and safety in a successful HDR brachytherapy program...

..The process of QA and the resources available to radiation oncology staff members are described...

..The imaging technique must be optimized based on published guidelines or law for the most frequent examinations. All radiologists should be familiar with radiation protection. Incidents should be reported to the Nuclear Safety Authority...

..VMAT also decreases monitor units as well as treatment delivery time to less than 5 minutes. However, VMAT is an IMRT technique more difficult to master than S&S technique because there are more variable parameters...

..Measurements were made at 5, 10, and 15 cm off-axis for a 20 cm x 20 cm asymmetric field at dmax and 6 cm depths in a solid-water phantom using a 0.6 cc Farmer chamber. Agreement within 3% was found at the measurement points...

..At the time of this article, the pace of change in the field has never been more rapid, particularly in image-guided brachytherapy and the development of unconventional sources and treatment techniques...

..The major concern that changes in ventilation habits and building conditions lead to substantial errors in exposure (and therefore risk) assessment cannot be confirmed in the data analyzed...

..The methods for non-linearity correction of pulse neutron detection system and reactimeter application are presented...

..The revised guidance is based on the updated dosimetric models and provides a useful tool for evaluating when either radiological or chemical toxicity concerns are more limiting...

..Such tools are a critical and necessary component if the medical physics profession is to meet the projected needs for qualified medical physicists in future years...

..Marie received the Nobel Prize twice and later she became the first woman to become member of the French Academy of Sciences. Today, both Pierre and Marie Curie rest in Panthéon, in Paris...

..reviewed are some of the technological innovations related to the application of microdosimetry in operational health physics and in particular the development of multi-element proportional counters and detectors based on gas microstrip ..

..Comparisons of in-air calculations with in-phantom calculations indicated that the in-air method yielded a conservative estimation of stray neutron radiation exposure for a prostate cancer patient...

..The highest excess relative risk per 1 Gy was found for cerebrovascular diseases; ERR Gy(-1)=1.17 at the 95% confidence interval (0.45; 1.88)...

In 2005, the Health Physics Society celebrates its 50th anniversary...

..Judgements on the most appropriate data to use in estimating intakes, choice of parameter values for use with the ICRP models and allowing for the effects of treatment with DTPA were important sources of variability between laboratories...

..We report our experience and critique of the planning, training, and execution of the exercise, with special attention to the integrated response of the Departments of Nuclear Medicine, Health Physics, and Emergency Medicine.

..questions are examined: what are the strictly unavoidable limiting factors in the epidemiological methodology; what is its resolution limit in terms of effect size and what can be done to obtain further supportive evidence from the data?..

The University of Michigan Student Health Physics Society's (UMSHPS) Radiation and Health Physics World Wide Web Site is an informative database of radiation and health physics related topics...

..In general, results of this evaluation indicated that the system met its claimed specifications as well as the applicable recommendations outlined in the AAPM and ABS reports...

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..Although there is increased interest in health effects studies of aircrew members, the differences between self-reported work history and company records, including effects on exposure assessment, are poorly characterized...

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..4).To establish an internet-based information-sharing resource on virtual-human motion simulation and radiation dosimetry. ..

..Finally, the MCIP describes a clear structure for governance and for providing imaging-related services to cancer researchers at UC Davis and beyond. ..

..These two cores then support four parallel clinical projects. ..

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..A series of simulations, phantom and animal experiments will be used to validate the approach and the results will be compared to standard broadband methods that utilize high-pass filters. ..

..The ideas resented in this proposal are expected to stimulate the efforts of the Consortium toward that goal. ..

..This translational technology platform will help better identify appropriate new therapeutic and diagnostic agents to move into human clinical trials and may reduce the time and cost of bringing these new agents to the clinic. ..

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..4).To establish an internet-based information-sharing resource on virtual-human motion simulation and radiation dosimetry. ..

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..A series of simulations, phantom and animal experiments will be used to validate the approach and the results will be compared to standard broadband methods that utilize high-pass filters. ..

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..Finally, the reproducibility of imaging anatomy and metabolism will be assessed both in repeat studies of the same subject, and in individual studies across subjects. ..

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..Finally, we will integrate a small number of microPET detectors with the CT system and acquire initial PET/CT studies in phantoms and mice. ..

..Finally, the two detectors will be mounted on rotation/translation stages to perform imaging experiments with different geometry (ring and rotating plate), allowing the performance of an entire PET system to be projected. ..

..The exact number of awards and the amount of each award will depend on the number of applications that we receive. ..

..Finally, the reproducibility of imaging anatomy and metabolism will be assessed both in repeat studies of the same subject, and in individual studies across subjects. ..

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