Artery occlusion independently predicts unfavorable outcome in cervical artery dissection

Christopher Traenka1, Caspar Grond-Ginsbach2, Barbara Goeggel Simonetti2

  • 1From the Department of Neurology and Stroke Center (C.T., G.M.D.M., A. Polymeris, H.G., L.H.B., S.T.E., P.L.), University Hospital Basel and University of Basel; Neurorehabilitation Unit (C.T., H.G., S.T.E.), University of Basel and University Center for Medicine of Aging and Rehabilitation, Felix Platter Hospital, Basel, Switzerland; Departments of Neurology (C.G.-G., M.K.) and Vascular and Endovascular Surgery (C.G.-G.), Heidelberg University Hospital, Germany; Department of Neurology (B.G.S., U.F., H.S., M.A.), University Hospital Bern; Ospedale San Giovanni (B.G.S.), Bellinzona, Switzerland; Department of Neurology (T.M.M., T.T.), Helsinki University Central Hospital, Finland; Department of Neurology (S.D.), Bordeaux University Hospital; Inserm U1219 (S.D.), Bordeaux; University of Bordeaux (S.D.), France; Department of Neurology (S.D.), Boston University School of Medicine, MA; Department of Clinical and Experimental Sciences (A.Pezzini.), Neurology Clinic, University of Brescia, Italy; Department of Neurology (J.J.M.), University of Utah, Salt Lake City; Departments of Neurology and Public Health Sciences (A.M.S., B.B.W.), University of Virginia Health System, Charlottesville; Univ-Lille (D.L.), Inserm U1171, CHU Lille, France; Neuro Center (R.B.), Clinic Hirslanden, Zurich, Switzerland; Stroke Unit and Division of Internal and Cardiovascular Medicine (V.C.), University of Perugia, Italy; Centre Hospitalier Universitaire Dijon Bourgogne (Y.B.), EA7460, Pathophysiology and Epidemiology of Cardio-Cerebro-Vascular Diseases, University of Burgundy, Dijon, France; Department of Neurology (H.S.), University Hospital of Zurich, Switzerland; Stroke Theme (V.T.), Florey Institute of Neuroscience and Mental Health, University of Melbourne, Heidelberg; Department of Neurology (V.T.), Austin Health, Heidelberg, Victoria, Australia; Cerebrovascular Unit Fondazione IRCCS Istituto Neurologico Carlo Besta (A.B.), Milan, Italy; Swiss National Accident Insurance Institution (T.B.), Lucerne, Switzerland; Normandie Université (E.T.), Université Caen Normandie, Inserm U1037, Department of Neurology, CHU Caen Normandie; Department of Neurology (E.T.), CH Sainte-Anne, University Paris Descartes, France; Department of Neurology (J.J.M.), Sanatorio Allende, Cordoba, Argentina; Department of Neurology (H.C.), Lariboisière Hospital, Paris, France; Department of Neurology (T.T.), Sahlgrenska University Hospital; and Department of Clinical Neuroscience Institute for Neuroscience and Physiology (T.T.), Sahlgrenska Academy at University of Gothenburg, Sweden. christopher.traenka@usb.ch.

Neurology
|November 24, 2019
PubMed

Insights

Dissected artery occlusion (DAO) is linked to poorer functional outcomes in cervical artery dissection (CeAD) patients. This finding highlights the need for further research into managing DAO in CeAD cases.

Area of Science:

  • Neurology
  • Vascular Medicine
  • Stroke Research

Background:

  • Cervical artery dissection (CeAD) is a leading cause of stroke in young adults.
  • The impact of dissected artery occlusion (DAO) on functional outcomes in CeAD patients remains incompletely understood.

Purpose of the Study:

  • To evaluate the association between DAO and functional outcomes in patients diagnosed with CeAD.
  • To identify complications related to DAO in the context of CeAD.

Main Methods:

  • Individual patient data from three multicenter CeAD cohorts were analyzed.
  • Patients with and without DAO were compared regarding functional outcome (modified Rankin Scale score 0-1 at 3-6 months).
  • Multivariable logistic regression adjusted for age, sex, and initial stroke severity was employed.

Main Results:

  • Of 2,148 CeAD patients, 33.9% had DAO.
  • DAO was associated with a higher incidence of cerebral ischemia (84.6% vs 58.5%).
  • DAO independently predicted less favorable functional outcomes (mRS 0-1: OR 0.65; 95% CI 0.50-0.84).
  • Delayed cerebral ischemia was more frequent in patients with DAO (4.5% vs 2.9%).

Conclusions:

  • Dissected artery occlusion is an independent predictor of unfavorable functional outcomes in CeAD.
  • Further investigation into vessel patency, collateral status, and revascularization therapies for DAO patients is warranted.
Abstract

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