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فهرست
ACHIEVING ACCEPTABLE RIS
Express risk target quantitatively
Determine the risk for system
Reduce the risk to achieve the target
Process examples
Approaches to reducing risk
تصویر محیط برنامه
Abstract Tuberculosis (TB) has resurged as a major public
health problem in the United States, but there is minimal
information on the public’s knowledge of TB. The general
population must become aware of the seriousness of the
reemergence of TB. Using data from the National Health
Interview Survey Supplement, this study examined knowledge
and perceived risk of TB of 14,727 U.S. respondents. Results
demonstrated some general knowledge of TB, several misconceptions,
and low concern regarding their risk of contracting TB.
Only 10.2% of the respondents perceived risk for themselves.
Respondents reported perceived knowledge of TB at a high level,
while their actual knowledge was lower. Gender, education,
income, and ethnicity were associated with knowledge and
perceived risk. Older people responded correctly to questions
about TB knowledge more often than younger people. Conclusions
were that public health nursing efforts need to be redirected
toward health education regarding TB risk and spread, complementing
existing screening and therapy programs.
Purpose: Accurate organs at risk definition is essential for radiation treatment of brain tumors. The aim of this study is to provide a stepwise and simplified contouring guide to delineate the OARs in the brain as it would be done in the everyday practice of planning radiotherapy for brain cancer treatment.
Methods: Anatomical descriptions and neuroimaging atlases of the brain were studied. The dosimetric
constraints used in literature were reviewed.
Results: A Computed Tomography and Magnetic Resonance Imaging based detailed atlas was developed jointly by radiation oncologists, a neuroradiologist and a neurosurgeon. For each organ brief anatomical notion, main radiological reference points and useful considerations are provided.
Recommended dose-constraints both for adult and pediatric patients were also provided.
Conclusions: This report provides guidelines for OARs delineation and their dose-constraints for the treatment planning of patients with brain tumors.
Radiotherapy atlasوOrgans at riskوBrain contouring atlasوNormal tissueوDose-constraintsوOptic chiasm
موضوع مقاله : A contingent Relationship Between Risk and Return: Toward A Behavioral Model of Decision
* رابطه وابسته میان ریسک و نرخ بازگشت مطالعه موردی تصمیم گیری درمدل A رشته مدیریت
فرمت متن اصلی: pdf
فرمت متن ترجمه: word
مطالعه ریسک و نرخ بازگشت از اهمیت حیاتی برای محققان برخوردار است با این حال تئوری و مطالعات تجربی در این زمینه مشکلاتی به همراه خواهد داشت . رابطه بازگشت ریسک در ادبیات در دو زمینه متفاوت خود را نشان داده است . یکی اینکه بحث در مورد اینکه آیا رابطه بین ریسک و بازگشت مثبت و منفی و یا بی تفاوتی است دومین نظریه شامل بخشی است که محققان با مطالعه گسترده در این زمینه مقایسه می کند ( هدف این مقاله این است ریسک تئوری شده و رابطه بازگشت همانند مشاهدات تجربی با استفاده از مدل پیشنهاد شده ما قابل توضیح است . تفاوت های موجود در تئوری و مشاهدات تجربی مربوط به این می شود که هر کدام از آنها کدام یک از رابطه را در نظر می گیرند...
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