High left arterial pressure (lap) can be indicative of a faulty piston and cylinder assembly (pca).During investigation testing, a known functioning pca was installed and the driver was retested.With the new pca installed, the driver passed all functional test steps.The root cause of the reported issue that the freedom driver did not maintain the proper normotensive pressure values, high left arterial pressure (lap), was determined to be a malfunction of the piston cylinder assembly.Syncardia has a corrective and preventative action (capa) for the issue of freedom driver elevated left arterial pressure (lap) during testing.Syncardia has completed its investigation and is closing this file.(b)(4) follow-up report 1.
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