Key result
The prevalence of atrial septal aneurysm, patent foramen ovale, or their combination was lower in Indo-Asian patients (3.7%) and higher in Afro-Caribbean patients (15%) compared to Caucasians (12%).
Why the study?
What is the prevalence of atrial septal aneurysm and patent foramen ovale across different ethnicities?
Observational (n=887)
What is the prevalence of atrial septal aneurysm and patent foramen ovale across different ethnicities?
The prevalence of atrial septal aneurysm and patent foramen ovale varies significantly by ethnicity, being lowest in Indo-Asians and highest in Afro-Caribbeans.
Answers are grounded in this paper and cite their sources.
Ethnic disparities in PFO and atrial septal aneurysm prevalence merit attention in cryptogenic stroke assessment; leaves open prospective validation of outcomes.
UNLABELLED: Atrial septal aneurysm (ASA) and patent foramen ovale (PFO) are not uncommon during routine echocardiographic scanning and were reported to be associated with stroke, transient ischemic attacks, and migrainous headache. To assess the prevalence of ASA and PFO according to ethnicity, we retrospectively studied 887 consecutive referrals to a General Cardiology and Hypertension clinics. All participants underwent trans-thoracic echocardiography (TTE). In some patients, the TTE was repeated using bubble contrast. RESULTS: Atrial septal aneurysm was detected in 70 participants (7.9%) and PFO in 18 (2%). Atrial septal aneurysm, PFO, or their combination was detected in 12% of the Caucasian patients, 15% of the Afro-Caribbean, and 3.7% of the Indo-Asian patients. CONCLUSIONS: There was a lower prevalence of ASA and PFO and their combination in Indo-Asians and a higher rate in Afro-Caribbeans than in Caucasians. The higher prevalence in the Afro-Caribbean participants may contribute to the high incidence of stroke in black participants.
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Salmasi et al. (2009) conducted an observational in Referrals to General Cardiology and Hypertension clinics (n=887). Indo-Asian and Afro-Caribbean ethnicity vs. Caucasian ethnicity was evaluated on Prevalence of atrial septal aneurysm, patent foramen ovale, or their combination. The prevalence of atrial septal aneurysm, patent foramen ovale, or their combination was lower in Indo-Asian patients (3.7%) and higher in Afro-Caribbean patients (15%) compared to Caucasians (12%).
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