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3.10.6 - Haemostasis, Coagulopathies and the Bleeding Patient

from Section 3.10 - Haematological and Oncological Disorders

Published online by Cambridge University Press:  27 July 2023

Ned Gilbert-Kawai
Affiliation:
The Royal Liverpool Hospital
Debashish Dutta
Affiliation:
Princess Alexandra Hospital NHS Trust, Harlow
Carl Waldmann
Affiliation:
Royal Berkshire Hospital, Reading
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Summary

Key Learning Points

  1. 1. Coagulation is a tightly regulated process controlled by interactions between the vessel, platelets, clotting factor enzymes, co-factors and inhibitors, aimed at stopping bleeding from damaged vessels.

  2. 2. Coagulation involves initiation, activation and propagation of platelet activity to generate a thrombin burst which polymerises fibrinogen to fibrin, plugging the vessel wall.

  3. 3. Coagulopathy is common in critically ill patients and is associated with increased illness severity and mortality.

  4. 4. The underlying cause of coagulopathy must be diagnosed and treated, whilst avoiding the unnecessary correction of laboratory test results, unless there is clinical bleeding or a surgical procedure required.

  5. 5. Disseminated intravascular coagulopathy is most commonly triggered by sepsis, leading to the consumption of clotting factors and platelets, which, in turn, causes bleeding and microthrombotic events. Treatment must be focused upon the underlying condition.

Type
Chapter
Information
Intensive Care Medicine
The Essential Guide
, pp. 353 - 360
Publisher: Cambridge University Press
Print publication year: 2021

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References

References and Further Reading

Estcourt, LJ, Birchall, J, Allard, S, et al.; British Committee for Standards in Haematology. Guidelines for the use of platelet transfusions. Br J Haematol 2017;176:365–94.CrossRefGoogle ScholarPubMed
Hoffman, M, Monroe, DM. A cell-based model of hemostasis. Thromb Haemost 2001;85:958–65.Google ScholarPubMed
Holcomb, JB, Tilley, BC, Baraniuk, S, et al. Transfusion of plasma, platelets, and red blood cells in a 1:1:1 vs a 1:1:2 ratio and mortality in patients with severe trauma: the PROPPR randomized clinical trial. JAMA 2015;313:471–82.CrossRefGoogle Scholar
Hunt, B. Bleeding and coagulopathies in critical care. N Engl J Med 2014;370:847–59.CrossRefGoogle ScholarPubMed
Retter, A, Barrett, NA. The management of abnormal haemostasis in the ICU. Anaesthesia 2015;70(Suppl 1):121–7, e40–1.CrossRefGoogle ScholarPubMed

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