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Coagulation Derangements in Patients With Refractory Cardiac Arrest Treated With Extracorporeal Cardiopulmonary Resuscitation.

Abstract：

OBJECTIVE:Extracorporeal cardiopulmonary resuscitation (eCPR) with venoarterial extracorporeal membrane oxygenation (VA-ECMO) is gaining importance as a rescue therapy for refractory cardiac arrest. VA-ECMO, especially in the setting of eCPR, is plagued by hemorrhagic and thromboembolic complications. The authors' aims were to describe the coagulation profile in refractory cardiac arrest and assess its prognostic role. DESIGN:Single-center retrospective study. SETTING:Cardiac surgical intensive care unit of a university hospital. PARTICIPANTS:One hundred eighty-eight patients treated with eCPR for intra-hospital and out-of-hospital refractory cardiac arrest, between 2008 and 2017. INTERVENTIONS:The authors retrospectively analyzed data from the first blood sample drawn during cannulation for VA-ECMO to understand the association of coagulation parameters with survival to hospital discharge, number of blood components transfused, anticoagulation therapy, serum lactate levels, no-flow time, and low-flow time. MEASUREMENTS AND MAIN RESULTS:Platelet count was 126 ± 79 × 109/L and in 17% of the population it was lower than 50 × 109/L, prothrombin time was 3.22 ± 4.01, activated partial thromboplastin time was 117 ± 78 seconds, fibrinogen was 186 ± 148 mg/dL, antithrombin was 47 ± 16%, and D-dimer was ≥2-fold the normal upper limit in 95% of patients. Fifty percent of patients had a disseminated intravascular coagulation (DIC) score ≥6 (52% among out-of-hospital cardiac arrest, 33% among in-hospital cardiac arrest), according to the criteria of the Japanese Society on Thrombosis and Hemostasis (2016). The median DIC score was 5.5 points (interquartile range 4-8), significantly different between survivors and nonsurvivors (4 [3-6] v 6 [4-8], p = 0.007). Every DIC score point contributed to the mortality risk (OR 1.34, 95% CI 1.09-1.67, p = 0.006). Patients with overt DIC less frequently received anticoagulants (28.6% v 55.9%, p = 0.002), started anticoagulant therapy later (12 [10-23] v 8.5 [5-12] hours, p = 0.045), and received a larger quantity of blood products (11 [4-23] v 3 [0-8.5] units, p < 0.0001). CONCLUSION:Coagulation derangements are frequent in patients with refractory cardiac arrest and have important consequences for eCPR management for anticoagulant therapy and blood product transfusion. The presence of DIC diagnostic criteria should be considered among the prognostic factors in this population of patients.

journal_name

J Cardiothorac Vasc Anesth

journal_title

Journal of cardiothoracic and vascular anesthesia

authors

Ruggeri L,Franco A,Alba AC,Lembo R,Frassoni S,Scandroglio AM,Calabrò MG,Zangrillo A,Pappalardo F

doi

10.1053/j.jvca.2018.11.014

subject

Has Abstract

pub_date

2019-07-01 00:00:00

pages

1877-1882

issue

eissn

1053-0770

issn

1532-8422

pii

S1053-0770(18)31031-0

journal_volume

pub_type

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Coagulation Derangements in Patients With Refractory Cardiac Arrest Treated With Extracorporeal Cardiopulmonary Resuscitation.