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Establishment the clot waveform analysis reference intervals for four coagulation parameters and clinical application study / 中华检验医学杂志
Chinese Journal of Laboratory Medicine ; (12): 1008-1013, 2020.
Article in Chinese | WPRIM | ID: wpr-872003
ABSTRACT

Objective:

To establish the clot waveform analysis (CWA) reference intervals of prothrombin time (PT), activated partial thromboplastin time (APTT), fibrinogen (Fbg) and thrombin time (TT) parameters CT, |Min1|, |Min2|, |Max2| and observe the changes in patients with coagulation factors deficiency.

Methods:

One hundered and twenty-five cases of apparent healthy person were enrolled to establish the CWA reference intervals of four coagulation parameters and 25 cases with coagulation factors were used to study the changes of CWA patients.

Results:

The CWA reference intervals of PT |Min1| (dT/dt), |Min2| (d 2T/dt 2), |Max2| (d 2T/dt 2) are3.14±1.22, 0.56±0.22 and 0.50±0.18; The CWA reference intervals of APTT |Min1| (dT/dt), |Min2| (d 2T/dt 2), |Max2| (d 2T/dt 2) are 4.75±1.71, 0.78±0.29 and 0.65±0.28; The CWA reference intervals of Fbg CT(s), |Min1| (dT/dt), |Max2|(d 2T/dt 2) are 7.01±1.96, 1.22±0.51 and 0.15±0.11; The CWA reference intervals of TT |Min1| (dT/dt), |Min2| (d 2T/dt 2), |Max2| (d 2T/dt 2) are 0.95±0.32, 0.14±0.05 and 0.07±0.03.These parameters of CWA in factor Ⅴ deficient patients were significantly reduced, the activity of coagulation factor Ⅶ was 0.42, |Min2| and |Max2| were significantly lower than that of normal people. The paramenters of CWA in factor Ⅶ deficient patients were significantly reduce.

Conclusion:

The CWA reference intervals of four CWA parameters helps judgment of coagulation factor deficiency.
Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Laboratory Medicine Year: 2020 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Laboratory Medicine Year: 2020 Type: Article