• A Nagrebetsky, H Al-Samkari, N M Davis, D J Kuter, and J P Wiener-Kronish.
• Department of Anesthesia Critical Care and Pain Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA. Electronic address: anagrebetsky@mgh.harvard.edu.
• Br J Anaesth. 2019 Jan 1; 122 (1): 19-31.

AbstractThrombocytopenia is a common perioperative clinical problem. While global haemostasis is influenced by many patient- and procedure-related factors, the contribution of thrombocytopenia to bleeding risk is difficult to predict, as platelet count does not linearly correlate with likelihood of bleeding. Thus, the widely used definition of thrombocytopenia and grading of its severity have limited clinical utility. We present a summary and analysis of the current recommendations for invasive procedures in thrombocytopenic patients, although the platelet count at which any given procedure may safely proceed is unknown. The benefits and risks of preoperative platelet transfusions should be assessed on a patient-by-patient basis, and alternatives to platelet transfusion should be considered. In non-emergent surgeries or in postoperative thrombocytopenic patients, haematology consultation should be considered to guide diagnostics and management. We present a pragmatic approach to the evaluation of perioperative thrombocytopenia.Copyright © 2018 British Journal of Anaesthesia. Published by Elsevier Ltd. All rights reserved.

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