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Accuracy of point-of-care-testing (POCT) for determining hemoglobin concentrations by H. Gehring; C. Hornberger; L. Dibbelt; A. Roth-Isigkeit; K. Gerlach; J. Schumacher; P. Schmucker is a Medicine article available to read on EtoBox.

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**Background:** While point‐of‐care testing (POCT) is being used increasingly as a basis for deciding on perioperative erythrocyte transfusion, no valid standards currently exist concerning the accuracy of Hb concentration measurements. For clinical employment, however, the confidence limits (±2 SD) of these measurements should lie close to 5 g/l. The aim of the present study was to evaluate the accuracy and precision of point‐of‐care testing for blood hemoglobin concentration (cHb in g/l) measurements in critically ill patients. **Methods:** Fifty blood samples from 50 postoperative patients requiring intensive care treatment were withdrawn from a cannula in the radial artery into a 2‐ml heparinized syringe (containing wet sodium heparinate in the conus), in a 2‐ml Monovette with 50 IE lithium heparinate, and into a 2.7‐ml cuvette with 1.6 mg potassium EDTA/ml blood. The POCT battery consisted of two blood gas analyzers (ABL^TM^ 625 and 725, Radiometer, Copenhagen), the HemoCue^®^ system (Mallinckrodt Medical, Germany), and an automated hematology analyzer (M‐2000^®^, Sysmex, Germany). The cyanmethemoglobin method served as the reference ‘gold standard’ procedure. The blood gas an

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Author

H. Gehring; C. Hornberger; L. Dibbelt; A. Roth-Isigkeit; K. Gerlach; J. Schumacher; P. Schmucker

Publisher

John Wiley and Sons; Wiley (Blackwell Publishing); Blackwell Publishing Inc.; Wiley (ISSN 0001-5172)

Published

2002

Language

EN

Field

Medicine (Health Sciences)