Atrial Septal Abnormalities and Cryptogenic Stroke: A Cross-Sectional Study

Area of Science:

• Cardiology
• Neurology
• Medical Diagnostics

Background:

• Cryptogenic stroke accounts for 30-40% of ischemic strokes, with unknown pathology.
• Existing studies show conflicting results regarding atrial septal abnormalities and cryptogenic stroke.

Purpose of the Study:

• To determine the prevalence of atrial septal abnormalities in patients diagnosed with cryptogenic stroke.
• To investigate the association between atrial septal abnormalities and patient demographics.

Main Methods:

• A cross-sectional study involving 91 patients with cryptogenic stroke or transient ischemic attack.
• Echocardiography was used to identify and classify atrial septal abnormalities.
• Demographic data and neurological attack history were collected.

Main Results:

• 17.5% of patients had patent foramen ovale; 1.1% had atrial septal aneurysm; 1.1% had an atrial septal defect.
• Patients with patent foramen ovale were significantly younger.
• Patent foramen ovale size did not significantly correlate with stroke type or demographic variables.

Conclusions:

• Atrial septal abnormalities are relatively prevalent in cryptogenic stroke.
• Screening for atrial septal disorders is recommended for stroke patients, particularly younger individuals.
• Prompt treatment of diagnosed atrial septal abnormalities is advised to prevent further neurological events.