PMID- 33769995 OWN - NLM STAT- MEDLINE DCOM- 20210531 LR - 20230821 IS - 1538-943X (Electronic) IS - 1058-2916 (Linking) VI - 67 IP - 4 DP - 2021 Apr 1 TI - Activated Partial Thromboplastin Time Versus Anti-Factor Xa Monitoring of Heparin Anticoagulation in Adult Venoarterial Extracorporeal Membrane Oxygenation Patients. PG - 411-415 LID - 10.1097/MAT.0000000000001246 [doi] AB - The preferred assay for measuring and adjusting unfractionated heparin (UFH) infusion to achieve optimal outcomes during extracorporeal membrane oxygenation (ECMO) is not well established. This retrospective cohort study explored safety and efficacy outcome differences between anti-factor Xa (anti-Xa) and activated partial thromboplastin time (aPTT) for UFH in adult venoarterial ECMO. Forty-one patients were included and analyzed. The UFH rate at first goal and time to goal were both higher in the aPTT versus anti-Xa cohort but did not achieve statistical significance (12.14 vs. 9.58 unit/kg/hour (p = 0.29), 20.22 vs. 12.05 hours (p = 0.11)). The aPTT cohort was in target goals 35.0% of the time versus 47.7% in the anti-Xa cohort (p = 0.13), above goal 41.0% vs. 17.3% (p = 0.02), and below-goal 24.0% versus 35.0% of the time (p = 0.34). Minimum heparin rates in the aPTT cohort were 6.28 vs. 3.33 unit/kg/hour in the anti-Xa cohort (p = 0.07), and the maximum UFH rate was 18.77 unit/kg/hour vs. 15.48 unit/kg/hour (p = 0.10). Our findings suggest that aPTT monitoring may result in a delay to target attainment, higher UFH rates, and overall exposure. CI - Copyright (c) ASAIO 2020. FAU - Kulig, Caitlin E AU - Kulig CE AUID- ORCID: 0000-0001-5109-5562 AD - University of California, Davis Medical Center, Sacramento, California. FAU - Schomer, Kendra J AU - Schomer KJ FAU - Black, Hugh B AU - Black HB FAU - Dager, William E AU - Dager WE LA - eng PT - Journal Article PL - United States TA - ASAIO J JT - ASAIO journal (American Society for Artificial Internal Organs : 1992) JID - 9204109 RN - 0 (Anticoagulants) RN - 0 (Factor Xa Inhibitors) RN - 9005-49-6 (Heparin) SB - IM MH - Adult MH - Anticoagulants/*administration & dosage MH - Blood Coagulation/drug effects MH - Cohort Studies MH - Drug Monitoring MH - *Extracorporeal Membrane Oxygenation MH - Factor Xa Inhibitors/*blood MH - Female MH - Heparin/*administration & dosage MH - Humans MH - Male MH - Middle Aged MH - *Partial Thromboplastin Time MH - Retrospective Studies COIS- Disclosure: The authors have no conflicts of interest to report. EDAT- 2021/03/27 06:00 MHDA- 2021/06/01 06:00 CRDT- 2021/03/26 17:18 PHST- 2021/03/26 17:18 [entrez] PHST- 2021/03/27 06:00 [pubmed] PHST- 2021/06/01 06:00 [medline] AID - 00002480-202104000-00009 [pii] AID - 10.1097/MAT.0000000000001246 [doi] PST - ppublish SO - ASAIO J. 2021 Apr 1;67(4):411-415. doi: 10.1097/MAT.0000000000001246.