Why the study?
The frequency of coronary sinus visualization during echocardiography and its connection to right-sided heart anatomy and pressure levels remain unclear.
Population
A 47-year-old woman who underwent surgery for a large secundum ASD
Design
Case report and literature review
Key result
A 47-year-old woman who underwent surgery for a large secundum atrial septal defect was incidentally found to have an enlarged coronary sinus during a standard follow-up echocardiogram.
Authors
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Incidental CS dilation warrants PLSVC evaluation; case report extends anatomic associations but leaves prevalence and implications open.
Case Report (n=1)
This case highlights the incidental finding of an enlarged coronary sinus during routine echocardiographic follow-up in an adult patient after surgical repair of an atrial septal defect.
Mehrotra et al. (2026) conducted a case report in Atrial septal defect and dilated coronary sinus (n=1). Surgery for secundum atrial septal defect was evaluated. A 47-year-old woman who underwent surgery for a large secundum atrial septal defect was incidentally found to have an enlarged coronary sinus during a standard follow-up echocardiogram.