A catheter was unable to pass through a pre-existing stent in the right coronary artery, which was jailing the patent ductent arteriosus (pda) ostium.A sapphire balloon was able to pass through and was inflated to expand the stent struts.During removal the balloon became stuck and could not be pulled back until an unusual amount of force was used to remove it.Upon removal, it was noted that the balloon catheter was torn open and missing the radiopaque marker.Nothing else was able to pass through the stent and the marker and portion the balloon material were left in vivo and as a result the pda did not have any flow.The patient was discharged in stable condition without any issues observed.Per the physician, the no flow event was due to being unable to obtain the balloon materials left in vivo.
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