Correlation Between Blood Coagulation Profile and Viscosity: Clinical Laboratory Observational Study.

Q1 Medicine Medical sciences (Basel, Switzerland) Pub Date : 2025-02-16 DOI:10.3390/medsci13010020

Ezekiel U Nwose, Phillip T Bwititi

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Abstract

Whole blood viscosity is a test for blood stasis and is an ideal evidence-based pathology parameter that is largely undervalued and retrogressing in clinical utilization. Coagulation profiles as indices of haemostasis are available but limited to central or referral laboratories and often involve long turn-around time. It is therefore important to study the correlation between the index of stasis and indices of haemostasis.

Objective: To investigate the correlation of index of stasis with indices of haemostasis.

Method: The clinical laboratory observational research method, using archived pathology data. Indices of haemostasis including activated partial thromboplastin time (APTT) and prothrombin time (PT), the international normalization ratio (INR), and plasma D-dimer were evaluated. On the other hand, the index of blood stasis used was the estimated whole blood viscosity (eWBV) and derived haematocrit and serum protein levels. All (N = 193) tests were collected within a calendar year from the same pathology service, and further, for the correlation, each set of variables from the same blood sample collection was used.

Results: The haemostasis data are skewed (skewness > 2.0), while eWBV and platelet count are normal (skewness < 2.0). Haemostasis indices have an inverse association with eWBV (p < 0.001). The concordance and correlation of eWBV with platelet count is positive, weak, and significant (p < 0.001), but negative and negligible with PT and APTT.

Conclusion: There are limitations to the possible correlation between eWBV and haemostasis indices. However, haemostasis indices have inverse associations with eWBV, and the latter can aid in the evaluation of haemostasis hence could be utilized as an alternative or complementary test to haemostasis tests. Research may normalize skewed data to obtain better correlation; therefore, further study is required to advance discourse, giving cognizance to clinical practice.

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