active surveillance

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Active Surveillance

Epidemiology Surveillance in which extra measures are taken to collect data and confirm diagnoses to ensure more complete reports for surveys and outbreak investigations. Active surveillance encompasses formal and informal communications.
Oncology Active waiting An approach to managing early prostate cancer (PC), which affords a window on its natural history, and is an ideal setting for identifying and evaluating biomarkers of PC behaviour. It is essentially watchful waiting with a protocol of serial digital rectal exams, measurement of PSA levels and re-biopsy at intervals.

active surveillance

Monitoring the health of a community by a public health agency that requests reports about specific diseases or conditions.
See also: surveillance


keeping a watch over.

active surveillance
sampling, including necropsy examination, of clinically normal samples of the population; important in the surveillance of diseases in which subclinical cases and carriers predominate.
epidemiological surveillance
watching over a population and recording data likely to have epidemiological significance, usually with the aim of early detection of disease. Essentially an interventionist exercise compared with monitoring, which is passive.
passive surveillance
examination of only clinically affected cases of specified diseases in the population.
References in periodicals archive ?
Repeat biopsy is important for patients undergoing active surveillance to detect the evidence of pathological progress.
We concluded that in the absence of a foreign body and with at least a year from the last known positive culture, patients with known MRSA should be rescreened and, if negative on an active surveillance culture, should be removed from contact precautions.
Fewer than 5% of patients on active surveillance have cancer that will become unbeatable (Stricker, 2013).
We are hesitant now to enroll men in active surveillance until they undergo targeted biopsy," he says.
This study was begun at a time when there was substantial resistance to monitoring men with prostate cancer, the authors noted, and therefore, "our intents were to demonstrate the safety of this approach for carefully selected men and to identify markers of a lethal phenotype that might lead to wider inclusion in active surveillance.
Griffin, for the Foodborne Diseases Active Surveillance Network (FoodNet) Workgroup
The search was conducted using a free-text protocol that included the following terms: prostate cancer, multiparametric magnetic resonance, clinically insignificant prostate cancer, genetic and/or epigenetic factors, PCA3, active surveillance, and focal therapy.
A case was defined as NDM-producing CRE isolated from clinical or active surveillance cultures collected from a patient while hospitalized during January 1-October 30, 2012.
This edition updates existing entries and adds about 20 new areas of research on topics such as National Institutes of Health-funded research areas, major nursing research journals, addictions care, palliative care, translational science, simulation, mild cognitive impairment, active surveillance for cancer care, nurse engagement, nurse-physician collaboration, spirituality, synthesis and action research, and systematic review.
Chamie's research found that more patients who have been on active surveillance will be diagnosed with secondary malignancies after 15 years than will patients who received aggressive lymph node surgery or chemotherapy.
Active surveillance is underused, however, because of a lack of reliable criteria to trigger intervention (i.