نتایج جستجو برای: population surveillance
تعداد نتایج: 769709 فیلتر نتایج به سال:
Owing to the complex nature of vector-borne diseases (VBDs), whereby monitoring of human case patients does not suffice, public health authorities experience challenges in surveillance and control of VBDs. Knowledge on the presence and distribution of vectors and the pathogens that they transmit is vital to the risk assessment process to permit effective early warning, surveillance, and control...
INTRODUCTION Population-based data are limited on how often colorectal cancer (CRC) is identified through screening or surveillance in asymptomatic patients versus diagnostic workup for symptoms. We developed a process for assessing CRC identification methods among Medicare-linked CRC cases from a population-based cancer registry to assess identification methods (screening/surveillance or diagn...
BACKGROUND World Health Organization (WHO) targets for acute flaccid paralysis (AFP) surveillance, including the notification of a minimum rate of AFP among children, are used to assess the adequacy of AFP surveillance for the detection of poliovirus infection. Sensitive surveillance for poliovirus infection in both developed and developing countries is essential to support global disease eradi...
OBJECTIVES To establish a surveillance system for risk factors of non-communicable diseases, develop a valid tool and methodology for surveillance surveys, and build capacity in 41 provincial surveillance sites to design and conduct the surveys and provide provincially interpretable baseline data. STUDY DESIGN Population-based national study. METHODS The World Health Organization's STEPwise...
Surveillance of fetal alcohol syndrome (FAS) is important for monitoring the effects of prenatal alcohol exposure and describing the public health burden of this preventable disorder. Building on the infrastructure of the Fetal Alcohol Syndrome Surveillance Network (FASSNet, 1997-2002), in 2009 the Centers for Disease Control and Prevention awarded 5-year cooperative agreements to three states,...
BACKGROUND Gastric cancer (GC) surveillance based on oesophagogastroduodenoscopy (OGD) appears to be a promising strategy for GC prevention. By evaluating the cost-effectiveness of endoscopic surveillance in Singaporean Chinese, this study aimed to inform the implementation of such a program in a population with a low to intermediate GC risk. METHODS USING A REFERENCE STRATEGY OF NO OGD INTER...
BACKGROUND Surveillance in patients with previous polypectomy was underused in the Medicare population in 1994. This study investigates whether expansion of Medicare reimbursement for colonoscopy screening in high-risk individuals has reduced the inappropriate use of surveillance. METHODS We used Kaplan-Meier analysis to estimate time to surveillance and polyp recurrence rates for Medicare be...
OBJECTIVE Study objectives were to determine surveillance and polyp recurrence rates among older, increased-risk patients who have been diagnosed and excised of colorectal polyps. The high incidence of colorectal cancers in the Medicare-eligible population, the strong evidence linking reductions in mortality from colorectal cancer by removal of colorectal polyps, and the paucity of postpolypect...
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