A probable temporal relationship exists between ccpd therapy with the liberty cycler and the reported event(s) of elevated creatinine and blood urea nitrogen.However, there is no documentation or indication the liberty cycler caused or contributed to the event(s).The etiology for the increase in creatinine and blood urea nitrogen is unknown.Additionally, the liberty cycler is not available for product investigation.Therefore, based on available information, it cannot be concluded if the liberty cycler caused or contributed to the event(s).The alleged event is not confirmed.The device was not returned to the manufacturing plant.The serial number is unknown, therefore a device history review could not be performed.
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