A patient with acute respiratory failure was supported using a protek duo cannula, a tandem heart pump and a maquet quadrox oxygenator for approximately 72 hours.The cannula was removed following death of the patient from complications of acute respiratory failure.The cannula performed as expected/intended without any sign of either device or patient related problems.Upon removal damage was noted just distal to the transition region of the cannula.The cannula was returned to cardiac assist for evaluation.
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