نتایج جستجو برای: blood specimen collection
تعداد نتایج: 908708 فیلتر نتایج به سال:
Prison inmates are more vulnerable to HIV and other Sexually Transmitted Infections (STIs) due to risk factors such as needle sharing and unprotected sex with homosexuals. The aim of this work was to determine the seroprevalence and risk factors associated with the human immunodeficiency virus (HIV-1/2) and syphilis among male inmates in Caruaru, State of Pernambuco, Brazil. A cross-sectional s...
INTRODUCTION Homogeneity of sample achieved by adequate mixing of the blood sample is the key to the quality of analytical results. Immediate mixing of the sample upon blood collection insures that the anticoagulant in the specimen container has fully dissolved with the blood, thus maintaining not only the effective anticoagulant-to-blood ratio but also providing a specimen free from any blood ...
There isa well-recognized need fora reliable, convenient, and simple method for determining whole blood pH, PaCO2, and Pa0,. We have designed a specimen collectionset thatfacilitates collection ofthespecimen and permits convenient and reliableanalysis by the laboratory.Specimens are collected in newly designed “Vacutainer” tubes containing heparin and nitrogengas.WithoutremovingtheVacutainersto...
BACKGROUND In drug-resistant TB settings, specimen collection is critical for drug-susceptibility testing (DST). This observational study included multiple specimen types collected from pediatric TB suspects with the aim to determine diagnostic yield and inform clinical practice in children with drug-resistant and drug-susceptible TB. METHODS From 03/2009-07/2010, TB suspects aged ≥6 months a...
One purpose of the EC funded project, SPIDIA, is to develop evidence-based quality guidelines for the pre-analytical handling of blood samples for RNA molecular testing. To this end, two pan-European External Quality Assessments (EQAs) were implemented. Here we report the results of the second SPIDIA-RNA EQA. This second study included modifications in the protocol related to the blood collecti...
Variations of alcohol involvement (AI) by time as well as the effect of the time interval between the last alcohol intake and accident occurrence, arrival, and specimen collection on blood alcohol concentrations (BAC) were studied in 1012 accident victims. In was found that 53% of accidents on Saturdays were alcohol-related, the corresponding percentage being 39% on Fridays and Sundays and 31% ...
We evaluated data from gastroenteritis outbreaks in Oregon to assess sensitivity of stool testing for norovirus and determine number of specimens needed to confirm norovirus as the cause. Norovirus can be readily confirmed if 3-6 specimens are collected any time ≤7 days after onset of diarrhea and for almost that long after symptoms resolve.
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