[Infected aneurysms of the aorta]

F Raffi1, P Patra

  • 1Service de médecine interne, Hôtel-Dieu, Nantes.

La Revue Du Praticien
|September 1, 1991
PubMed

Insights

Mycotic aneurysms are rare infections of arteries, often presenting with misleading symptoms. Prompt antibiotic therapy and surgical intervention are crucial to prevent life-threatening rupture.

Area of Science:

  • Cardiovascular Medicine
  • Infectious Diseases
  • Vascular Surgery

Background:

  • Mycotic aneurysms are rare vascular infections, classified into primary, secondary to endocarditis, or direct inoculation.
  • Primary mycotic aneurysms typically arise from bacteremia seeding an atheromatous lesion.
  • Clinical presentation can be delayed or misleading, complicating early diagnosis.

Purpose of the Study:

  • To review the classification, clinical presentation, diagnosis, and management of mycotic aneurysms.
  • To emphasize the importance of early recognition and intervention to prevent catastrophic rupture.
  • To highlight the broad spectrum of causative microorganisms and the need for prompt microbiological investigation.

Main Methods:

  • Review of literature on mycotic aneurysm classification and pathogenesis.
  • Analysis of clinical presentations, diagnostic challenges, and treatment strategies.
  • Emphasis on microbiologic diagnosis and empirical antibiotic selection.

Main Results:

  • Mycotic aneurysms require urgent diagnosis and management due to high rupture risk.
  • Early signs include clinical aneurysm, pain, and infectious syndrome.
  • Broad-spectrum bactericidal antibiotics and surgical repair are indicated.

Conclusions:

  • Mycotic aneurysms necessitate a high index of suspicion for timely diagnosis.
  • Immediate antibiotic therapy and surgical intervention are critical for favorable outcomes.
  • Comprehensive microbiologic evaluation guides definitive antimicrobial treatment.

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