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Beware of the LASP! A structure with thrombogenic potential
Anush Ohanyan1, Giovanni Cuminetti1, Marielle Morissens1
1Department of Cardiology, Brugmann University Hospital, Brussels, Belgium.
Echocardiography (Mount Kisco, N.Y.)
|December 17, 2019
Summary
Left atrial septal pouch (LASP) is an anatomical variant that may cause blood clots. This case report details two thrombotic masses originating from the LASP, highlighting its potential thrombogenic role.
Area of Science:
- Cardiology
- Anatomical Pathology
Background:
- The left atrial septal pouch (LASP) is an anatomical variant of the interatrial septum, resulting from incomplete fusion of the septum primum and septum secundum.
- LASP is defined as a recessus communicating with the left atrium without causing an interatrial shunt.
Observation:
- This anatomical feature has been suspected as a potential thrombogenic source.
- The role of LASP as a risk factor for cryptogenic stroke remains unclear.
Findings:
- This case report presents two distinct thrombotic masses originating from the LASP and its adjacent areas.
- The findings suggest a direct link between LASP and thrombus formation.
Implications:
- These findings underscore the clinical significance of LASP as a potential source of thromboembolism.
- Further research is warranted to elucidate the precise role of LASP in cryptogenic stroke pathogenesis.
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