Objective:

To investigate the clinical and computed tomography angiography (CTA) characteristics of carotid web (CaW) in Chinese stroke patients.

Approach:

Key Findings:

• 34 patients with CaW identified (prevalence 0.37%), predominantly male (32 males, 2 females).
• Majority of CaWs located at the common carotid artery bifurcation (88.1%).
• Cerebral infarction was the most common diagnosis (61.8%).
• Significant difference in lumen diameter at CaW site between cerebral infarction (8.97 ± 2.34 mm) and non-infarction groups (6.80 ± 1.90 mm, P = 0.008).
• Hypertension significantly more prevalent in the cerebral infarction group (76.2% vs. 23.1%, P = 0.004).

Interpretation:

CaW predominantly affects males in the Chinese population and is associated with mild carotid stenosis and cerebral infarction.

Limitations:

• Study conducted at a single center, limiting generalizability.
• Absence of formal inter-rater reliability statistics (Cohen's kappa) for diagnostic consensus.

Conclusion:

CaW is an important risk factor for cryptogenic cerebral infarction in the Chinese population, necessitating careful CTA evaluation.

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