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Journal Article

Citation

Orlando A, Thomas C, Carrick M, Slone DS, Mains CW, Bar-Or D. Injury 2017; 48(5): 1040-1046.

Copyright

(Copyright © 2017, Elsevier Publishing)

DOI

10.1016/j.injury.2016.11.027

PMID

unavailable

Abstract

Introduction
Statin discontinuation has been investigated in a wide range of diseases and injuries, but there is a paucity of data in the older adult population with traumatic brain injury (TBI). The purpose of this study was to re-examine the extent to which early discontinuation of pre-injury statin (PIS) therapy increases the risk of poor patient outcomes in older adult patients suffering a TBI.
Methods
This was a retrospective observational cohort study of adult trauma patients with a blunt TBI across three trauma centres over four years. Patients were excluded because of no PIS use, age <55 years, or a hospital length of stay (LOS) less than three days. Patients found to be intentionally discontinued from statin therapy within 48 h of hospital admission for injury-related reasons were excluded. The primary and secondary outcomes were in-hospital mortality and a hospital LOS ≥1 week. Outcomes were analysed using logistic regression.
Results
There were 266 patients in the continuation group, and 131 in the discontinuation group. The statin discontinuation group had a significantly higher proportion of patients with a moderate or severe head injury, intubation in emergency department (ED), and disposition to the intensive care unit or operating room. Overall, 23 (6%) patients died while in the hospital. After adjusting for ED Glasgow coma scale, the odds of dying in the hospital were not significantly larger for patients having been discontinued from PIS, compared to those who were continued (OR = 1.75, 95%CI = 0.71-4.31, p = 0.22). Among patients who received an in-hospital statin, the median (interquartile range) time between hospital admission and first administration of statin medication did not differ between patients who died and those who survived (22.8 h [10.96-28.91] vs. 22.9 h [11.67-39.80], p = 0.94). There were no significant differences between study groups in the proportion of patients with a hospital length of stay >1 week (continuation = 29% vs. discontinuation = 36%, p = 0.19).
Conclusion
We did not observe a significantly increased odds of in-hospital mortality following PIS discontinuation, compared to PIS continuation, in an older adult population with TBI. It remains to be seen whether statin discontinuation is a proxy variable for injury severity, or whether it exerts deleterious effects after injury.


Language: en

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