Myocardial abscess as a complication of an infected arteriovenous fistula: autopsy report
AbstractMyocardial abscess is a severe and life-threatening infectious complication that
is commonly but not exclusively associated with infective endocarditis. It may
also be developed in necrotic myocardial tissue, post trauma, in septic burn
patients, in transplanted heart, in ventricular aneurysm and post angioplasty.
Patients on hemodialysis are prone to bacteremia, and infectious complications
occur in 48-73% of cases. Myocardial abscess is a rare complication of an
infected arteriovenous fistula. We present an autopsy report of a hemodialysis
patient who had an arteriovenous fistula with a polytetrafluoroethylene graft
where a local infection developed. The patient presented with fever and toxemia.
On post-admission day 2, he unexpectedly suffered sudden cardiopulmonary
arrest and died. The autopsy revealed a myocardial abscess, near a branch of
the left coronary artery, with septic embolism.
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