These samples were provided with the PT, INR and APTT
results from 31 laboratories that had tested the samples using the Stago STart 4 (previous model to STart Max).
Despite the hypercoagulative state, APTT
was found to be prolonged.
Fractions were assessed by both in vitro APTT
and PT tests according to the manufacturers' specifications, for measure anti-clotting effect in a coagulometer Amelung KC4A before the in vitro TG assay.
3] Nonstandard abbreviations: FVIII, factor VIII; PT, prothrombin time; APTT
, activated partial thromboplastin time; AT, antithrombin; VWF, von Willebrand factor; VWF:Ag, VWF antigen; VWF:CB, VWF collagen binding; VWF:RCo, VWF ristocetin cofactor activity; FVIII:C, FVIII coagulant activity; FIX:C, FIX coagulant activity; PC-chrom, protein C chromogenic; PS-act, protein S activity; PS-total, protein S total; PS-free, protein S free; PC-clot, PC clotting; [CV.
2014), when measured by APTT
assay, as was also previously reported for the SPs from the red alga A.
To increase the sample size, citrated blood samples from additional birds with the same origin were included for analyses of APTT
and PT and measurement of fibrinogen levels.
Typical laboratory findings in acquired haemophilia include an isolated prolongation of APTT
and a low level of factor VIII.
Thus, it seems likely that elevated prothrombin levels could contribute both to thrombotic risk and to a shortening of the PT and APTT
In our study we compared the values of APTT
and INR in patients operated with the use of CPB (on-pump) and patients operated off-pump.
18 In this study, PT and APTT
improved significantly within six hours of vitamin K injection.
Coagulation profile showed isolated prolongation of APTT
and serum fibrinogen levels were done on KC4 Amulung coagulometer.