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January 1, 2005Thrombosis and Haemostasis

The influence of the haematocrit on primary haemostasis in vitro

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Why the study?

Does haematocrit influence primary haemostasis as measured by closure time in vitro?

Population

In vitro blood samples

Comparison

Systematic variation of haematocrit vs Different haematocrit levels

Design

Preclinical

Authors

MEMarco EugsterKantonsspital GraubündenWRWalter H. ReinhartKantonsspital Graubünden

Discussion

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Implication

Haematocrit may offset thrombocytopenia effects on closure time in animals; leaves open whether normalization reduces human bleeding risk.

Structured PICO

Does haematocrit influence primary haemostasis as measured by closure time in vitro?

P
Population
In vitro blood samples
I
Intervention
Systematic variation of haematocrit (20, 30, 40, and 50%)
C
Comparator
Different haematocrit levels
O
Outcome
Closure time in the platelet function analyzer PFA-100surrogate

Haematocrit inversely correlates with closure time in vitro, providing a pathophysiological rationale for normalizing haematocrit to reduce bleeding risk in thrombocytopenic and anaemic patients.

Cite This Study

Eugster et al. (2005) studied this question.

synapsesocial.com/papers/6a71178035aa2c282ce269f4https://doi.org/10.1160/th05-06-0424
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Also Consider

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