The population-based Barcelona-Asymptomatic Intracranial Atherosclerosis Study (ASIA): rationale and design
2011

Barcelona-ASymptomatic Intracranial Atherosclerosis Study (ASIA): Rationale and Design

Sample size: 1503 publication Evidence: high

Author Information

Author(s): López-Cancio Elena, Dorado Laura, Millán Mónica, Reverté Silvia, Suñol Anna, Massuet Anna, Mataró María, Galán Amparo, Alzamora Maite, Pera Guillem, Torán Pere, Dávalos Antoni, Arenillas Juan F

Primary Institution: Hospital Universitari Germans Trias I Pujol, Universitat Autònoma de Barcelona

Hypothesis

What is the prevalence and natural history of asymptomatic intracranial atherosclerosis in Caucasians?

Conclusion

The ASIA study aims to determine the prevalence of asymptomatic intracranial atherosclerosis and its impact on future ischemic events.

Supporting Evidence

  • Intracranial atherosclerosis is a major cause of ischemic stroke worldwide.
  • Early detection of asymptomatic intracranial atherosclerosis may allow for therapeutic intervention.
  • The prevalence of asymptomatic intracranial atherosclerosis in Caucasians is currently unknown.

Takeaway

This study is trying to find out how many people have a type of artery blockage in their brains that doesn't cause symptoms yet, so doctors can help them before it becomes a problem.

Methodology

Population-based, prospective, long-term follow-up observational study with a cross-sectional and longitudinal phase.

Limitations

The study may have a 10% exclusion rate and a 20% non-acceptance rate among selected participants.

Participant Demographics

Caucasian population with moderate-high vascular risk, aged over 50 years.

Digital Object Identifier (DOI)

10.1186/1471-2377-11-22

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