Perforation of the coronary sinus is a serious, well characterized complication of retrograde cardioplegia.Its causes are well known but sometimes difficult to predict.Management of this complication is well described in the literature.Edwards has reviewed many of these reports and has found that the root cause is typically related to a combination of vessel size/fragility and placement issues of the catheter.No manufacturing non-conformance have been associated with the historical events which have been reported.Operational context most likely contributed to this event.There was no allegation of product malfunction.The instructions for use (ifu) was reviewed and no inadequacies were identified with regards to warnings, contraindications, and the directions/conditions for the successful use of the device.Injuries to the coronary sinus are listed as a potential complication in the product ifu.The no further corrective or preventative actions are required at this time.Trends will continue to be monitored through the use of edwards quality systems and if action is required, appropriate investigation will be performed.
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