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2016 ; 222
(4
): 347-55
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Acute Fibrinolysis Shutdown after Injury Occurs Frequently and Increases
Mortality: A Multicenter Evaluation of 2,540 Severely Injured Patients
#MMPMID26920989
Moore HB
; Moore EE
; Liras IN
; Gonzalez E
; Harvin JA
; Holcomb JB
; Sauaia A
; Cotton BA
J Am Coll Surg
2016[Apr]; 222
(4
): 347-55
PMID26920989
show ga
BACKGROUND: Fibrinolysis is a physiologic process that maintains microvascular
patency by breaking down excessive fibrin clot. Hyperfibrinolysis is associated
with a doubling of mortality. Fibrinolysis shutdown, an acute impairment of
fibrinolysis, has been recognized as a risk factor for increased mortality. The
purpose of this study was to assess the incidence and outcomes of fibrinolysis
phenotypes in 2 urban trauma centers. STUDY DESIGN: Injured patients included in
the analysis were admitted between 2010 and 2013, were 18 years of age or older,
and had an Injury Severity Score (ISS) > 15. Admission fibrinolysis phenotypes
were determined by the clot lysis at 30 minutes (LY30): shutdown ? 0.8%,
physiologic 0.9% to 2.9%, and hyperfibrinolysis ? 3%. Logistic regression was
used to adjust for age, arrival blood pressure, ISS, mechanism, and facility.
RESULTS: There were 2,540 patients who met inclusion criteria. Median age was 39
years (interquartile range [IQR] 26 to 55 years) and median ISS was 25 (IQR 20 to
33), with a mortality rate of 21%. Fibrinolysis shutdown was the most common
phenotype (46%) followed by physiologic (36%) and hyperfibrinolysis (18%).
Hyperfibrinolysis was associated with the highest death rate (34%), followed by
shutdown (22%), and physiologic (14%, p < 0.001). The risk of mortality remained
increased for hyperfibrinolysis (odds ratio [OR] 3.3, 95% CI 2.4 to 4.6, p <
0.0001) and shutdown (OR 1.6, 95% CI 1.3 to 2.1, p = 0.0003) compared with
physiologic when adjusting for age, ISS, mechanism, head injury, and blood
pressure (area under the receiver operating characteristics curve 0.82, 95% CI
0.80 to 0.84). CONCLUSIONS: Fibrinolysis shutdown is the most common phenotype on
admission and is associated with increased mortality. These data provide
additional evidence of distinct phenotypes of coagulation impairment and that
individualized hemostatic therapy may be required.
|Acute Disease
[MESH]
|Adult
[MESH]
|Cohort Studies
[MESH]
|Female
[MESH]
|Fibrinolysis/*physiology
[MESH]
|Humans
[MESH]
|Injury Severity Score
[MESH]
|Kaplan-Meier Estimate
[MESH]
|Logistic Models
[MESH]
|Male
[MESH]
|Middle Aged
[MESH]
|Risk Factors
[MESH]
|Thrombelastography
[MESH]
|Trauma Centers
[MESH]
|Wounds and Injuries/diagnosis/*mortality/*physiopathology
[MESH]