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Table 1 Clinical assessments for CAD patients in CCADS

From: Chinese Cervicocephalic artery dissection study (CCADS): rationale and protocol for a multicenter prospective cohort study

Domain

Assessment

Demographics

age, gender, educational level, contact information

Medical history

 vascular risk factors

American Heart Association guideline [21]

 migraine

classification and diagnostic criteria for headache disorders, cranial neuralgias and facial pain [22]

I CTD*

Ehlers-Danlos syndrome, Marfan Syndrome, Loeys-Dietz syndrome, etc. [23]

 autoimmune diseases

SLE, Becet’s disease, Sjogren’s syndrome, etc.

 mild trauma

neck manipulation or overextension (within 2 weeks prior to symptom onset) [24]

 infection

within 2 weeks prior to symptom onset

Personal history

 smoking

a structured questionnaire embedded in CRF

 alcohol use

a structured questionnaire embedded in CRF

 risk factor control

hypertension, migraine, etc.

Clinical presentations

 stroke

clinical stroke syndrome (sudden neurological dysfunction lasting >24 h, with no apparent cause other than that of vascular origin)

 TIA

rapidly evolving focal neurological deficit, without positive phenomena such as twitches, jerks or myoclonus, with no other than vascular cause lasting less than 24 h

 cranial nerve palsy

peripheral hypoglossal nerve or facial nerve palsy

 headache

new onset headache; severity, nature, location or frequency change

 Horner syndrome

Miosis, partial ptosis, loss of hemifacial sweating

 stroke severity

NIHSS [25]

 stoke risk after TIA

ABCD2 scores [26]

 Functional independence

mRS [27]

 Treatment

 antithrombotic drugs

aspirin, clopidogrel, NOAC

 reperfusion therapy

intravenous thrombolysis, intra-arterial thrombolysis, endovascular intervention

 other medicines

statin, antihypertensive therapy, antidiabetics

 medication compliance

a structured questionnaire

 time

time from symptom onset to treatment, and treatment duration

  1. *ICTD Inherited connective tissue disorders, mRS Modified Rankin Scale, NIHSS National Institute of Health Stroke Scale, TIA Transient ischemic attack, NOAC Novel oral anticoagulant, SLE Systemic lupus erythematosus