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Articles and journal scans about Preanalytical phase
Article
October 2004
Overcoming the limitations of barcode technology
The introduction of armband barcode scanning
capabilities to point-of-care glucose testing devices has been
shown to greatly reduce patient identification errors. Barcodes
may be scanned to identify operators, patient identification
and reagents. Barcode scanning, however, does not eliminate all
errors, and in some...
Information management
Glucose
Preanalytical phase
Process optimization
Article
September 2004
Hematocrit - a review of different analytical methods
To assess anemia and reduced oxygen-carrying
capacity, a measurement of hematocrit and/or hemoglobin is
performed. Whether hemoglobin or hematocrit is preferred
depends on different needs and is often determined by
tradition.
Both hematocrit and hemoglobin are important
hematology parameters for diagnosing...
Preanalytical phase
Quality assurance
Hemoglobins
Kidneys/fluids
Article
September 2004
Diabetic ketoacidosis
Disturbance of the mechanisms which maintain normal
blood pH is a defining feature of diabetic ketoacidosis (DKA),
an acute and life-threatening complication of the chronic
metabolic disease, diabetes.
For this reason diagnosis and
monitoring of DKA invariably include measurement of arterial
blood gases. This...
Electrolytes
Blood gases/acid-base
Preanalytical phase
Glucose
Creatinine/urea
Kidneys/fluids
Point-of-care testing
Article
July 2004
Useful tips to avoid preanalytical errors in blood gas testing: neonatal total bilirubin
50-75 % of all newborns develop jaundice during their first week of life [1,2,3]. The decision behind which treatment is necessary and when it should be initiated is based upon a measurement of the concentration of total bilirubin (ctBil) in serum, plasma or whole blood.
It is therefore obvious that it is important...
Quality assurance
Bilirubin
Preanalytical phase
Hemoglobins
Blood gases/acid-base
Article
April 2004
Multiprofile blood gas method comparison studies
Numerous method comparison studies of blood gas analyzer methods have been published in the literature; unfortunately, several studies show flaws in one or several aspects of experimental design, execution, statistical analysis or interpretation of results. The most common flaw seems to be an inability to separate...
Preanalytical phase
Point-of-care testing
Quality assurance
Article
January 2004
Useful tips to avoid preanalytical errors in blood gas testing: metabolites
Measurement of glucose and lactate after 30 minutes of storage at room temperature can give deviating results of up to 5 % [1,2] and 29 % of the reference value [3] respectively [1,4], due to in vitro glycolysis
Glucose and lactate are both important parameters in the surveillance of patients in critical care...
Preanalytical phase
Glucose
Quality assurance
Lactate
Blood gases/acid-base
Article
October 2003
Useful tips to avoid preanalytical errors in blood gas testing: electrolytes
Preanalytical errors are said to be the reason for up to 75 % [1] of all errors in laboratory medicine. The diagnostic consequences depend on the magnitude of the preanalytical error.
In worst case, these errors may lead to mistreatment of patients; in all cases, these errors are an extra workload for the hospital...
Preanalytical phase
Electrolytes
Quality assurance
Glucose
Hemoglobins
Blood gases/acid-base
Article
September 2003
Principles and problems of blood glucose measurement
Although blood glucose measurement is commonly performed, the use of a whole-blood sample introduces complications and compromise in terms of the assay principle, the method of calibration and the expression of results.
Most point-of-care systems are calibrated against a method chosen by the manufacturer for...
Glucose
Preanalytical phase
Article
May 2003
Patient ID barcoding - aspects to consider when im
Identification of products by barcode has been utilized by industry and business for over 30 years. The use of barcodes in the hospital setting is also well established, but in the patient environment, hospitals are still behind industry. For Point-of-Care Testing (POCT), barcodes are highly desirable. Deanna Bogner, ...
Preanalytical phase
Information management
Point-of-care testing
Process optimization
Article
April 2003
Method comparison or procedure comparison?
With the increasing number of blood tests performed at the point of care (POC), it has become more and more important to perform method comparison studies, comparing new methods to the existing methods used in the laboratory (LAB). This is done primarily to ensure that uniform results are reported throughout the...
Quality assurance
Point-of-care testing
Preanalytical phase
Glucose
Lactate