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- W2051265416 abstract "<b>Background: </b> Spontaneous cervical artery dissection (sCAD) in multiple neck arteries (polyarterial sCAD) is traditionally thought to represent a monophasic disorder suggesting nearly simultaneous occurrence of the various intramural hematomas. Its incidence ranges from 10 to 28%. The recurrence rate of sCAD in general over up to 8.6 years has been recorded to be 0 to 8%. <b>Objective: </b> To analyze more precisely the temporal and spatial neuroangiologic course of sCAD with particular focus on polyarterial manifestation. <b>Methods: </b> We prospectively investigated 36 consecutive patients with sCAD unexceptionally proven by MR imaging at 1.5 T. We reinvestigated these patients by two follow-up MR examinations. The first follow-up MR examination was performed after a mean of 16 ± 13 days, and the last MR study after a mean of 7 ± 2 months after the initial diagnosis. <b>Results: </b> Systematic data evaluation of the 36 patients revealed the following phenomena of sCAD: 1) seemingly simultaneous polyarterial sCAD on the initial MRI scan (n = 2; 6%); 2) recurrent sCAD in one or several initially uninvolved cervical arteries during follow-up (n = 9; 25%). These latter sCAD occurred as an early polyarterial recurrent event within 1 to 4 weeks in 7 patients (19%), and as a delayed polyarterial recurrent event within 5 to 7 months in 2 patients (6%). Under a spatial perspective, sCAD recurrence took place in one additional cervical artery in 5 patients (14%), or in more than one previously uninvolved cervical artery in 4 patients (11%). All patients except one with sCAD recurrence remained asymptomatic or had local symptoms only. One patient experienced a significant clinical deterioration due to ischemic stroke with acute impairment of cerebral hemodynamics. During follow-up, patients received transient oral anticoagulation for at least 6 months with subsequent acetylsalicylic acid (ASA). <b>Conclusion: </b> More often than previously thought, the recurrence of spontaneous cervical artery dissection (sCAD) involves multiple cervical arteries in sequence. sCAD recurrence frequently appears to cluster within the first 2 months after the index event, rather than occurring steadily over time. The prognosis of recurring sCAD appears benign, particularly in patients already receiving antithrombotic therapy." @default.
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- W2051265416 date "2007-07-09" @default.
- W2051265416 modified "2023-10-16" @default.
- W2051265416 title "Polyarterial clustered recurrence of cervical artery dissection seems to be the rule" @default.
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- W2051265416 doi "https://doi.org/10.1212/01.wnl.0000265595.50915.1e" @default.
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