Haemostatic and cranial computed tomography characteristics in patients with acute and delayed coagulopathy after isolated traumatic brain injury.

Abstract:

PRIMARY OBJECTIVE:To investigate whether the development of coagulopathy at different stages after isolated traumatic brain injury (TBI) is associated with distinct cranial computed tomography characteristics. RESEARCH DESIGN:Retrospective cohort study in 226 patients with moderate-to-severe isolated TBI who were categorized as subjects without coagulopathy or with acute temporary, acute sustained or delayed coagulopathy. METHODS AND PROCEDURES:Coagulopathy was defined as an activated partial thromboplastin time >40 seconds and/or prothrombin time (PT) >1.2 and/or platelet count <120*10(9)l(-1). Cranial CT scans were assigned to the six-point Traumatic Coma Data Bank (TCDB) CT-classification. MAIN OUTCOMES AND RESULTS:Coagulopathy occurred in 44% of patients in the first 24-hours post-trauma. Patients with acute, sustained coagulopathy showed a prolonged PT (1.64 ± 0.89) when compared to patients without (1.03 ± 0.07), acute temporary (1.27 ± 0.22) or delayed coagulopathy (1.08 ± 0.06; p < 0.05). Patients with acute temporary or delayed coagulopathy had the worst TCDB CT classification scores, while mortality rates were the highest in patients with sustained or delayed coagulopathy. CONCLUSIONS:Not only the mere presence of coagulopathy, but also the course of haemostatic alterations following neurotrauma may hold predictive value for patient outcome, irrespective of the severity level of cerebral injury.

journal_name

Brain Inj

journal_title

Brain injury

authors

Franschman G,Greuters S,Jansen WH,Posthuma LM,Peerdeman SM,Wattjes MP,Loer SA,Boer C

doi

10.3109/02699052.2012.694566

subject

Has Abstract

pub_date

2012-01-01 00:00:00

pages

1464-71

issue

12

eissn

0269-9052

issn

1362-301X

journal_volume

26

pub_type

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