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Comparison of digoxin concentration in plastic serum tubes with clot activator and heparinized plasma tubes. (CROSBI ID 214456)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Dukić, Lora ; Šimundić, Ana-Maria ; Malogorski, Davor Comparison of digoxin concentration in plastic serum tubes with clot activator and heparinized plasma tubes. // Biochemia medica, 24 (2014), 1; 146-150. doi: 10.11613/BM.2014.016

Podaci o odgovornosti

Dukić, Lora ; Šimundić, Ana-Maria ; Malogorski, Davor

engleski

Comparison of digoxin concentration in plastic serum tubes with clot activator and heparinized plasma tubes.

Introduction: Sample type recommended by the manufacturer for the digoxin Abbott assay is either serum collected in glass tubes or plasma (sodium heparin, lithium heparin, citrate, EDTA or oxalate as anticoagulant) collected in plastic tubes. In our hospital samples are collected in plastic tubes. Our hypothesis was that the serum sample collected in plastic serum tube can be used interchangeably with plasma sample for measurement of digoxin concentration. Our aim was verification of plastic serum tubes for determination of digoxin concentration. MATERIALS AND METHODS: Concentration of digoxin was determined simultaneously in 26 venous blood plasma (plastic Vacuette, LH Lithium heparin) and serum (plastic Vacuette, Z Serum Clot activator ; both Greiner Bio-One GmbH, Kremsmünster, Austria) samples, on Abbott AxSYM analyzer using the original Abbott Digoxin III assay (Abbott, Wiesbaden, Germany). Tube comparability was assessed using the Passing Bablok regression and Bland-Altman plot. RESULTS: Serum and plasma digoxin concentrations are comparable. Passing Bablok intercept (0.08 [95% CI = -0.10 to 0.20]) and slope (0.99 [95% CI = 0.92 to 1.11]) showed there is no constant or proportional error. CONCLUSION: Blood samples drawn in plastic serum tubes and plastic plasma tubes can be interchangeably used for determination of digoxin concentration

digoxin ; preanalytical phase ; quality

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Podaci o izdanju

24 (1)

2014.

146-150

objavljeno

1330-0962

10.11613/BM.2014.016

Povezanost rada

Kliničke medicinske znanosti

Poveznice
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