Which factors affect the mortality rate of infective endocarditis (IE)?

Updated: Jan 03, 2019
  • Author: John L Brusch, MD, FACP; Chief Editor: Michael Stuart Bronze, MD  more...
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Answer

Increased mortality rates are associated with increased age, [35] infection involving the aortic valve, development of congestive heart failure, central nervous system (CNS) complications, and underlying disease such as diabetes mellitus. Catastrophic neurological events of all types due to IE are highly predictive of morbidity and mortality. [36]

Mortality rates also vary with the infecting organism. Acute endocarditis due to S aureus is associated with a high mortality rate (30-40%), except when it is associated with IV drug use. [13, 37] Endocarditis due to streptococci has a mortality rate of approximately 10%.


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