نتایج جستجو برای: incidence imaging
تعداد نتایج: 692178 فیلتر نتایج به سال:
background: complete and fast diagnosis, registry and treatment programs are the main effective strategies for controlling infectious diseases. in addition, an organized and extended infectious disease surveillance system is crucial in designing and monitoring communicable diseases control programs. the quality of the surveillance system can be evaluated by several indices such as timeliness, c...
incidence and risk factors for cytomegalovirus in kidney transplant patients in babol, northern iran
background: cytomegalovirus (cmv) disease is an important cause of death and possibly transplant rejection in kidney transplant (kt) patients. this study was conducted to investigate the incidence and risk factors of cmv disease in kidney transplant patients. methods: all end-stage renal disease (esrd) patients who underwent kidney transplantation during 1998-2014 and their donors were assessed...
background : cancer incidence rate is increasing in the world particularly in developing countries. the awareness regarding cancer incidence and distribution helps policy makers and researchers to design comprehensive plan for controlling cancer. the aim of this study was to determine the incidence rate and trend of cancer in yazd province, centeral iran. methods : data from yazd cancer registr...
background : hamadan is a province with high incidence rate of suicide. the present study was conducted to assess suicide and its associated risk factors in this province. methods : in this cross-sectional study, all cases of suicide occurred in the province, were investigated from april 2008 to march 2010. the data were collected from provincial health center and forensic medicine's databases ...
In this article, we have studied the incidence angle effect on Terrestrial Laser Scanning (TLS) intensity. In previous tests, it has been found that the backscattered intensity of an object affects the incidence angle effect. We made additional experiments to investigate the potential mixing of distance and incidence angle effects and the role of surface parameters such as object grain size and...
Incidence of seizure in first year of life is very high. There is a sharp difference between neonatal and post neonatal seizures in infants with respect to etiology, seismology, E.E.G and imaging outcomes and final prognosis. This was an observational prospective study conducted at G.B Panth Childrens’ hospital Srinagar. A detailed history was also sought regarding other variables relevant to t...
BACKGROUND AND PURPOSE Proton radiotherapy has been increasingly utilized to treat pediatric brain tumors, however, limited information exists regarding radiation necrosis among these patients. Our aim was to evaluate the incidence, timing, clinical significance, risk factors, and imaging patterns of radiation necrosis in pediatric patients with brain tumors treated with proton radiation therap...
The only way for dengue to spread in the human population is through the human-mosquito-human cycle. Most research in this field discusses the dengue-mosquito or dengue-human relationships over a particular study area, but few have explored the local spatial variations of dengue-mosquito and dengue-human relationships within a study area. This study examined whether spatial heterogeneity exists...
PURPOSE To investigate the range of collimation errors in x-ray rooms and to calculate their possible effects on the radiation dose for anteroposterior pelvic examinations. METHODS A collimator test tool was suspended at 3 heights (14, 21, and 28 cm) above the table Bucky in 9 x-ray rooms. Heights corresponded to the typical patient thickness (mean, ± 2 SD) of 67 patients undergoing anteropos...
PURPOSE Carotid endarterectomy (CEA) is the standard treatment for carotid artery stenosis. New brain ischemia is a major concern associated with CEA and diffusion weighted imaging (DWI) is a good imaging modality for detecting early ischemic brain lesions. We aimed to investigate the surgical complications and identify the potential risk factors for the incidence of new brain lesions (NBL) on ...
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