Highlights the rare but life-threatening risk of late cardiac tamponade due to atrial wall perforation after ASD closure with the Cardioseal device.
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May warrant extended surveillance after Cardioseal ASD closure; leaves open true incidence of late perforation.
Cardiac tamponade occurring late after interventional closure of defects within the oval fossa is a very rare but life-threatening complication. We describe such an occurrence after use of a Cardioseal device to close an interatrial communication. Two arms of the device had perforated left atrial wall. The device was removed at surgery, and the defect closed uneventfully. All available means should be used to identify this complication.
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Pinto et al. (2001) studied this question.
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