Related Experiment Video
Updated: Feb 15, 2026
Echocardiographic Evaluation of Atrial Communications before Transcatheter Closure
Published on: February 8, 2022
Transcatheter closure of a huge iatrogenic atrial septal defect: A case report
1Department of Cardiology, West China Hospital, Sichuan University, Chengdu, Sichuan, China.
Rationale:
Iatrogenic atrial septal defects caused by cardiac surgery are rare complications that are traditionally repaired through reoperations; unfortunately, reoperations are accompanied by high risk and trauma.
Patient Concerns:
Herein, we report a rare case of a huge atrial septal defect after mitral and aortic mechanical valve replacement.
Diagnoses:
Transesophageal echocardiography revealed a 20 × 33 mm atrial septal defect with a mainly left-to-right shunt and bidirectional shunt.
Interventions:
The defect was successfully occluded using a Shape Memory septal occlude with a waist diameter of 42 mm.
Outcomes:
At follow-up 6 months after, the patient's symptoms were remarkably relieved and chest radiograph showed obvious improvement of the pulmonary congestion.
Lessons:
Percutaneous device treatment can be used as an alternative to surgery in iatrogenic atrial septal defects if the anatomical condition of the septal defect is appropriate for transcatheter closure.
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