4.5 Article

Satisfactory outcome with activated clotting time <160 seconds in extracorporeal cardiopulmonary resuscitation

期刊

MEDICINE
卷 101, 期 37, 页码 -

出版社

LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/MD.0000000000030568

关键词

activated clotting time; anticoagulation; complication; extracorporeal cardiopulmonary resuscitation; extracorporeal circulation; outcome

资金

  1. Korea University Grant [K1924931]

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This study aimed to investigate the relationship between targeting low activated clotting time (ACT) and complication rates in patients undergoing extracorporeal cardiopulmonary resuscitation (ECPR). The study found that maintaining ACT levels lower than conventional levels did not significantly increase the risk of thromboembolism in patients requiring ECPR.
Patients undergoing cardiopulmonary resuscitation (CPR) prior to extracorporeal membrane oxygenation (ECMO) can have severely altered physiology, including that of the coagulation pathway. This could complicate the extracorporeal cardiopulmonary resuscitation (ECPR) management. We aimed to show that targeting an activated clotting time (ACT) < 160 seconds does not affect the complication rates in these patients. In this single-centered retrospective study, the medical records of 81 adult patients who were on ECMO support from March 2017 to March 2020 were reviewed. We compared the low ACT and conventional ACT groups, which were defined on the basis of the median of the ACT values of the included patients (160 seconds). The primary outcomes included bleeding or thromboembolic events. This study included 32 patients, who were divided into the low (n = 14) and conventional (n = 18) ACT groups. There were 2 cases of gastrointestinal bleeding (P = .183), one of intracranial hemorrhage (P = .437), and one of peripheral skin color change (P = .437) in the low ACT group. There was one case of prolonged bleeding at the cannulation site (P = 1.000) reported in the conventional ACT group. The successful weaning rate differed significantly between the low and conventional ACT groups (92.9% vs 50.0%; P = .019). Maintaining the ACT lower than the conventional ACT in patients requiring ECPR did not show a significant increase in the thromboembolic risk. Therefore, targeting a low ACT should be considered for this particular group of patients.

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