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Diagnosing Pulmonary EmbolismDiagnosing pulmonary embolism (PE) involves clinical assessment and advanced imaging tests. The preferred diagnostic tool is the spiral (helical) CT scan or CT angiography (CTA), which uses intravenous contrast media to visualize the pulmonary vasculature and identify emboli.A ventilation-perfusion (V/Q) scan is an alternative for patients unable to receive contrast media. This scan includes both perfusion and ventilation scanning. Perfusion scanning involves...
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A Devastating Separation: A Case of Prosthetic Valve Embolization.

Alexus E Meduna1, Morgan R Mastrud, Selly Strauch

  • 1Department of Pathology, UND School of Medicine and Health Sciences, University of North Dakota, Grand Forks, North Dakota.

The American Journal of Forensic Medicine and Pathology
|December 19, 2025
PubMed
Summary
This summary is machine-generated.

Prosthetic valve endocarditis can lead to sudden death, as seen in a case of complete valve dehiscence and embolization. This rare complication highlights the importance of understanding endocarditis in prosthetic valve patients.

Keywords:
aortic valve dehiscenceendocarditisforensic pathologystaphylococus epidermidis

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Area of Science:

  • Cardiology
  • Infectious Diseases
  • Pathology

Background:

  • Endocarditis is a rare but serious complication of prosthetic valve surgery.
  • It can lead to valve failure and dehiscence, with complete dehiscence being less documented.
  • Early diagnosis and management are crucial.

Purpose of the Study:

  • To present a case of sudden death due to prosthetic valve endocarditis.
  • To illustrate the autopsy findings of complete valve dehiscence and embolization.
  • To emphasize the importance of understanding endocarditis in prosthetic valve recipients.

Main Methods:

  • Case report of a 69-year-old male patient.
  • Review of clinical history, including two aortic valve replacements.
  • Autopsy findings, including blood cultures and gross pathology.

Main Results:

  • Patient died from prosthetic valve endocarditis approximately 2 months after the second valve procedure.
  • Autopsy revealed Staphylococcus epidermidis infection, complete dehiscence of the bovine aortic valve prosthesis, and embolization to the abdominal aorta.
  • Sudden death occurred due to valve embolization.

Conclusions:

  • Prosthetic valve endocarditis can result in catastrophic complications like complete valve dehiscence and embolization.
  • This case underscores the fatal potential of endocarditis following valve replacement surgery.
  • Understanding the pathology and risk factors is vital for managing patients with prosthetic valves.