• B J Piper and P T Farrell.
• Department of Anaesthesia and Intensive Care, John Hunter Hospital, Newcastle, New South Wales.
• Anaesth Intensive Care. 2015 Nov 1;43(6):782-5.

AbstractAntithrombin III (ATIII) deficiency offers unique challenges to the anaesthetist in the perioperative setting due to the inherent thrombophilia, the anticoagulant therapies instituted and replacement of the deficient intrinsic natural anticoagulant. A particular challenge is the use of intrathecal anaesthesia, which requires a safe level of coagulation at the time of subarachnoid puncture. We describe the use of intrathecal anaesthesia on two occasions in a patient with ATIII deficiency who received human-derived ATIII concentrate as part of a perioperative anticoagulant regimen. The patient sustained no thrombotic or bleeding events. Our experience suggests that ATIII deficiency does not preclude the use of regional anaesthetic techniques so long as there is timely referral to a multidisciplinary perioperative service for anticoagulant management and that ATIII concentrate is used to ensure safe levels of ATIII throughout the perioperative period.

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