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July 8, 2026Open Access

Follow-up TTE incidentally reveals an enlarged coronary sinus in a 47-year-old woman after ASD repair.

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Population

47-year-old woman who underwent surgery for a large secundum atrial septal defect (ASD) (n=1)

Design

Case_report

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

AMAkhil MehrotraMSMohammed ShabanSSSaadia Salamat

Discussion

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Overview

Incidental CS dilation warrants PLSVC evaluation; case report extends anatomic associations but leaves prevalence and implications open.

Key Points

  • This report aims to detail the association of an enlarged coronary sinus with an atrial septal defect in an adult female.
  • Describing a case of a 47-year-old woman with a large secundum atrial septal defect who underwent surgery.
  • Follow-up included transthoracic echocardiogram to assess heart anatomy post-operation.
  • An enlarged coronary sinus was discovered during follow-up echocardiography in conjunction with an ASD patch.
  • The patient exhibited no residual shunt and maintained normal life expectancy.

Study Design

Type

Case Report (n=1)

Structured PICO

P
Population
A 47-year-old woman who underwent surgery for a large secundum atrial septal defect and was found to have an enlarged coronary sinus during follow-up.
E
Exposure
Standard follow-up transthoracic echocardiogram (TTE)
O
Outcome
Identification of an enlarged coronary sinus alongside an in-situ ASD patch without residual shunt

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.

Cite This Study

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.

synapsesocial.com/papers/6a4dea28d2ea289ef6283fe5https://doi.org/10.5281/zenodo.21215437
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1OPERATED ATRIAL SEPTAL DEFECT ASSOCIATED WITH DILATED CORONARY SINUS IN AN ADULT FEMALE: CASE REPORT & LITERATURE REVIEW2026
  2. 2A Rare Congenital Triad in an Adult With Coronary Artery Disease: A Case Report From Georgia2025
  3. 3Resynchronization Therapy in a Coronary Venous Sinus Anomaly2025 · 1 citations
  4. 4A Delayed Presentation of a Sinus Venosus Atrial Septal Defect2025
  5. 5Sinus Node and Right Coronary Artery Aneurysms With Atrial Fistula: A Case Report and Literature Review2025