Cervical artery dissection--clinical features, risk factors, therapy and outcome in 126 patients

Area of Science:

• Neurology
• Vascular Medicine
• Diagnostic Imaging

Background:

• Cervical artery dissections (CAD, VAD) exhibit highly variable clinical courses, posing diagnostic and therapeutic challenges.
• Understanding differences in presentation and predictors of outcome is crucial for patient management.

Purpose of the Study:

• To compare clinical and angiographic presentations of carotid artery dissections (CAD) versus vertebral artery dissections (VAD).
• To identify circumstances associated with bilateral arterial dissections.
• To determine factors predicting poor outcomes in cervical artery dissections.

Main Methods:

• Retrospective study of 126 patients with cervical artery dissections.
• Standardized interviews assessing preceding trauma, vascular risk factors, symptoms, and outcomes.
• Multivariate analysis to identify independent predictors of poor outcome.

Main Results:

• Carotid artery dissections (CAD) more frequently presented with Horner's syndrome and fibromuscular dysplasia.
• Vertebral artery dissections (VAD) were associated with neck pain, chiropractic manipulation, and higher rates of bilateral dissections.
• Bilateral VAD was significantly linked to preceding chiropractic manipulation; stroke and arterial occlusion independently predicted poor outcomes.

Conclusions:

• Chiropractic manipulation of the cervical spine may increase the risk of bilateral vertebral artery dissections.
• Patients with dissection-related cervical artery occlusion face a significantly higher risk of disabling stroke.
• Differentiating CAD and VAD presentations and identifying risk factors are key for managing these challenging conditions.