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Heparin Resistance Is Common in Patients Undergoing Extracorporeal Membrane Oxygenation but Is Not Associated with Worse Clinical Outcomes.
Raghunathan, Vikram; Liu, Patricia; Kohs, Tia C L; Amirsoltani, Ramin; Oakes, Michael; McCarty, Owen J T; Olson, Sven R; Zonies, David; Shatzel, Joseph J.
Afiliación
  • Raghunathan V; From the Division of Hematology and Oncology, Oregon Health & Science University, Portland, Oregon.
  • Liu P; Department of Medicine, Oregon Health & Science University, Portland, Oregon.
  • Kohs TCL; Department of Biomedical Engineering, Oregon Health & Science University, Portland, Oregon.
  • Amirsoltani R; School of Medicine, Oregon Health & Science University, Portland, Oregon.
  • Oakes M; Department of Medicine, Oregon Health & Science University, Portland, Oregon.
  • McCarty OJT; Department of Biomedical Engineering, Oregon Health & Science University, Portland, Oregon.
  • Olson SR; From the Division of Hematology and Oncology, Oregon Health & Science University, Portland, Oregon.
  • Zonies D; Department of Biomedical Engineering, Oregon Health & Science University, Portland, Oregon.
  • Shatzel JJ; Department of Surgery, Oregon Health & Science University, Portland, Oregon.
ASAIO J ; 67(8): 899-906, 2021 08 01.
Article en En | MEDLINE | ID: mdl-33528163
Extracorporeal membrane oxygenation (ECMO) protocols generally require systemic anticoagulation with heparin to prevent circuit thrombosis. The prevalence, risk factors, and outcomes of heparin resistance in this setting are ill-defined. To better understand the prevalence and clinical consequences of heparin resistance in this population, we conducted a retrospective analysis of all patients treated with ECMO at a single academic medical center between 2016 and 2019. Univariate and multivariate analyses were used to evaluate predictors and outcomes of heparin resistance. Of 67 patients in our study, 50.7% met the threshold for heparin resistance for at least 1 day, which was managed in all cases with increases in heparin dose. Patients with heparin resistance were more likely to be male (82.4% vs. 48.5%, p = 0.005) and to have a higher mean platelet count (132 vs. 104 × 103/mL, p = 0.027) compared with those without heparin resistance. Multivariate logistic regression found no significant association between the development of heparin resistance and rates of thrombosis, hemorrhage, or overall survival. Additional prospective studies are required to clarify the clinical implications of heparin resistance in this population.
Asunto(s)

Texto completo: 1 Banco de datos: MEDLINE Asunto principal: Oxigenación por Membrana Extracorpórea Tipo de estudio: Guideline / Observational_studies / Prognostic_studies / Risk_factors_studies Límite: Female / Humans / Male Idioma: En Revista: ASAIO J Asunto de la revista: TRANSPLANTE Año: 2021 Tipo del documento: Article

Texto completo: 1 Banco de datos: MEDLINE Asunto principal: Oxigenación por Membrana Extracorpórea Tipo de estudio: Guideline / Observational_studies / Prognostic_studies / Risk_factors_studies Límite: Female / Humans / Male Idioma: En Revista: ASAIO J Asunto de la revista: TRANSPLANTE Año: 2021 Tipo del documento: Article