Microbleed prevalence and burden in anticoagulant-associated intracerebral bleed

  • Vasileios Arsenios Lioutas
  • , Nitin Goyal
  • , Aristeidis H. Katsanos
  • , Christos Krogias
  • , Ramin Zand
  • , Vijay K. Sharma
  • , Panayiotis Varelas
  • , Konark Malhotra
  • , Maurizio Paciaroni
  • , Aboubakar Sharaf
  • , Jason Chang
  • , Odysseas Kargiotis
  • , Abhi Pandhi
  • , Christoph Schroeder
  • , Argyrios Tsantes
  • , Efstathios Boviatsis
  • , Chandan Mehta
  • , Panayiotis D. Mitsias
  • , Magdy H. Selim
  • , Andrei V. Alexandrov
  • Georgios Tsivgoulis

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

Prior studies suggest an association between Vitamin K antagonists (VKA) and cerebral microbleeds (CMBs); less is known about nonvitamin K oral anticoagulants (NOACs). In this observational study we describe CMB profiles in a multicenter cohort of 89 anticoagulation-related intracerebral hemorrhage (ICH) patients. CMB prevalence was 51% (52% in VKA-ICH, 48% in NOAC-ICH). NOAC-ICH patients had lower median CMB count [2(IQR:1–3) vs. 7(4–11); P < 0.001]; ≥5 CMBs were less prevalent in NOAC-ICH (4% vs. 31%, P = 0.006). This inverse association between NOAC exposure and high CMB count persisted in multivariable logistic regression models adjusting for potential confounders (OR 0.10, 95%CI: 0.01–0.83; P = 0.034).

Original languageEnglish (US)
Pages (from-to)1546-1551
Number of pages6
JournalAnnals of Clinical and Translational Neurology
Volume6
Issue number8
DOIs
StatePublished - 2019

All Science Journal Classification (ASJC) codes

  • General Neuroscience
  • Clinical Neurology

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