Key result
Acquired left ventricular-right atrial shunts are unusual ventricular septal defects most commonly caused by previous cardiac operations, diagnosable by ultrasound or MRI, and treatable by surgery or percutaneous closure.
Acquired LV-RA shunts are rare complications most commonly following cardiac surgery, requiring high clinical suspicion and diagnosis via ultrasound or MRI, with surgical or percutaneous closure as treatment options.
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Raises suspicion for post-op LV-RA shunts; extends sparse literature but leaves optimal management open.
Left ventricular to right atrial (LV-RA) shunt is an unusual type of ventricular septal defect (VSD). This article concentrates on acquired LV-RA shunts, which may be due to complications of cardiac operation, endocarditis, trauma or myocardial infarction. A previous cardiac operation is its most common cause. The diagnosis of LV-RA communication is not easy, and it should be remembered in patients who do not recover normally. Diagnosis can be confirmed with ultrasound or magnetic resonance image (MRI). Surgical correction is usually the treatment of choice, but closing the communication percutaneously should be considered as an option.
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Sinisalo et al. (2010) conducted a review in Acquired left ventricular-right atrium shunts. Acquired left ventricular-right atrial shunts are unusual ventricular septal defects most commonly caused by previous cardiac operations, diagnosable by ultrasound or MRI, and treatable by surgery or percutaneous closure.
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