Related Experiment Video
Updated: Aug 10, 2026

Cox-Maze IV Procedure Concomitant with Valvular Surgery In Situs Inversus Dextrocardia: A Single-Center Experience in China
Published on: February 11, 2022
Reversible Right-to-Left Shunt After Mitral TEER Resolved by Tricuspid TEER
Özlem Önder1, Aysel Akhundova1, Ekrem Güler1
1Department of Cardiology, Medipol Mega University Hospital, Istanbul, Turkey.
Iatrogenic atrial septal defects after mitral repair can cause hypoxemia due to right-to-left shunting. Treating tricuspid regurgitation effectively reversed the shunt and improved oxygen saturation, avoiding septal defect closure.
Area of Science:
- Interventional Cardiology
- Cardiac Surgery
- Cardiovascular Physiology
Background:
- Iatrogenic atrial septal defects (ASDs) are common after transseptal interventions.
- While usually insignificant, they can cause clinically relevant right-to-left shunting and hypoxemia under specific hemodynamic conditions.
Related Concept Videos
Mitral Regurgitation I: Introduction
Mitral Regurgitation III: Medical Management
Mitral Stenosis III: Medical Management
Mitral Stenosis I: Introduction
Aortic Regurgitation I: Introduction
Mitral Stenosis II: Clinical features and Diagnostic Tests
