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Complications caused by iatrogenic right-to-left shunt after surgical closure of atrial septal defect: a case report.

ABSTRACT: Background:Atrial septal defect (ASD) is a common congenital heart disease. For this condition, surgical treatment can be required depending on the size and type of ASD. This study included a case of a patient who complained of persistent dyspnoea after the surgical treatment for ASD. Case summary:A 16-year-old girl who underwent a surgical patch closure for ASD at the age of 2 years presented to the emergency department and was diagnosed with acute stroke. Since childhood, she had suffered from exertional dyspnoea due to an unknown cause. Transthoracic echocardiography revealed normal chambers size and function and no signs of right heart strain. Transoesophageal echocardiography (TOE) revealed a misplaced interatrial patch from the previous surgery, which allowed the whole blood to flow from the inferior vena cava (IVC) to the left atrium (LA), creating a large right-to-left shunt that resulted in stroke and heart failure. The patient underwent surgical treatment, and her symptoms improved significantly. Six months later, she was doing well without neurological complications and dyspnoea. Discussion:This patient experienced stroke at the age of 16 years and had been suffering from heart failure since childhood. A large right-to-left shunt flow from the IVC to the LA by misplaced interatrial patch was found using TOE, right-sided heart catheterization, and inferior caval venography. This diagnosis should be considered in patients complaining of persistent dyspnoea with hypoxia after the surgical repair of ASD.

SUBMITTER: Kim MS

PROVIDER: S-EPMC8669598 | biostudies-literature |

REPOSITORIES: biostudies-literature

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