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July 8, 2026Open Access

Follow-up TTE reveals an enlarged coronary sinus alongside an intact patch after ASD repair.

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Why the study?

The frequency of coronary sinus visualization on 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 atrial septal defect

Design

Case report and literature review

Key result

Follow-up transthoracic echocardiography after surgery for a large secundum atrial septal defect in a 47-year-old woman revealed an enlarged coronary sinus alongside an intact ASD patch.

Authors

AMAkhil MehrotraMSMohammed ShabanSSSaadia Salamat

Discussion

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Member takes

Overview

Incidental coronary sinus dilation warrants PLSVC evaluation; leaves open its prevalence and right-heart pressure correlations.

Key Points

  • To explore the relationship between atrial septal defects and coronary sinus enlargement in adults.
  • Detailed case report of a 47-year-old woman with ASD undergoing surgery in March 2025.
  • Follow-up transthoracic echocardiogram (TTE) conducted post-surgery.
  • A dilated coronary sinus was identified during follow-up TTE.
  • No residual shunt detected adjacent to the ASD patch after surgery.

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.
I
Intervention
Transthoracic echocardiogram (TTE) follow-up
O
Outcome
Identification of enlarged coronary sinus

Highlights the incidental finding of an enlarged coronary sinus during echocardiographic follow-up in a patient with a surgically repaired 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. Follow-up transthoracic echocardiography after surgery for a large secundum atrial septal defect in a 47-year-old woman revealed an enlarged coronary sinus alongside an intact ASD patch.

synapsesocial.com/papers/6a4deabbd2ea289ef6284362https://doi.org/10.5281/zenodo.21215436
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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. 2Giant coronary sinus aneurysm: an incidental discovery in a case of acute coronary syndrome2024 · 1 citations
  3. 3An unusual case of dilated coronary sinus: case report and clinical implications2021 · 4 citations
  4. 4A Rare Congenital Triad in an Adult With Coronary Artery Disease: A Case Report From Georgia2025
  5. 5669: THE SILENT SHUNT: UNROOFED CORONARY SINUS REVEALED IN A 75-YEAR-OLD WITH RIGHT HEART FAILURE2026