As reported in a research article, patient death occurred after a mechanical aortic valve replacement due to persisting low cardiac output.The results of the investigation are inconclusive since the device was not returned for analysis.Based on the information received, the cause of the reported incident could not be conclusively determined.
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It was reported through a research article identifying a 29mm mechanical mitral valve that may be related to death.The patient had a history of severe mitral valve stenosis and had previously underwent a mechanical aortic valve replacement.The 29mm mechanical mitral valve was then implanted.During reperfusion, bradycardia and impairment of lv contraction was observed and an intraaortic balloon was inserted with improvement to hemodynamic indicators and the patient was transferred to the icu.The patient passed away 48 hours later from persisting low cardiac output.Specific patient information is documented as unknown.Details are listed in the article, titled "situation awareness for circumflex artery injury during mitral valve surgery".
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