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Septic Embolic Encephalitis Following Cardiac Valve Replacement
Dallin Judd1, Jake Oldham1, James Lish2
1Medicine, Texas College of Osteopathic Medicine, University of North Texas Health Science Center, Fort Worth, USA.
Cureus
|February 5, 2024
Summary
A patient with a history of aortic aneurysm repair developed septic embolic encephalitis, a rare complication of cardiac valve replacement. Early diagnosis via imaging is crucial for managing this serious condition.
Area of Science:
- Cardiology
- Neurology
- Infectious Diseases
Background:
- Cardiac valve replacement, particularly for aortic aneurysm repair, carries a risk of infective endocarditis.
- Septic embolic encephalitis is an infrequent but severe complication associated with prosthetic heart valves.
Observation:
- A 48-year-old male presented with systemic symptoms including fever, fatigue, and altered mentation post-aortic aneurysm repair with a bioprosthetic valve.
- Blood cultures identified *Enterococcus*, and echocardiography revealed vegetation on the prosthetic valve, indicating infective endocarditis.
- Diagnostic imaging (CT, MRI) showed widespread neurological complications including bleeding, infarcts, cerebritis, and meningitis, as well as splenic and renal infarcts.
Findings:
- The case illustrates the diagnostic utility of advanced imaging in confirming septic embolic encephalitis.
- Microbiological and echocardiographic findings confirmed infective endocarditis as the source of septic emboli.
- Extensive embolic events affected the brain, spleen, and kidneys.
Implications:
- This case highlights the critical role of diagnostic imaging in the timely diagnosis of septic embolic encephalitis.
- Prompt and appropriate management is essential for patients with prosthetic valves who develop signs of infection.
- Early intervention can potentially mitigate severe neurological and systemic sequelae.
Keywords:
bioprosthetic valvecardiac valve replacementdiagnostic imagingdisease progressionenterococcusseptic embolic encephalitisMore Related Videos
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