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Multimodality Diagnosis of Mesenteric Ischemia
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Published on: July 21, 2023

Type A aortic dissection associated with Dietzia maris.

Guillermo Reyes1, José-Luis Navarro, Carlos Gamallo

  • 1Department of Cardiovascular Surgery, Hospital Universitario La Princesa, Madrid, Spain. guillermoreyescopa@yahoo.es

Interactive Cardiovascular and Thoracic Surgery
|August 3, 2007
PubMed
Summary

This study reports a rare case of aortic dissection type A caused by Dietzia maris infection. The bacteria was identified in the patient's pericardial fluid and aortic wall, highlighting a novel association with aortic disease.

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Area of Science:

  • Cardiology
  • Infectious Diseases
  • Pathology

Background:

  • Aortitis, an inflammation of the aorta, is an uncommon cause of aortic dissection.
  • Aortic dissection type A is a life-threatening condition requiring emergency surgical intervention.

Purpose of the Study:

  • To report the first documented case of aortic disease associated with Dietzia maris infection.
  • To describe the clinical presentation, surgical findings, and microbiological results of this rare event.

Main Methods:

  • Case report of a 77-year-old male with emergency surgery for aortic dissection type A.
  • Intraoperative findings included purulent pericardial fluid and an inflamed aorta.
  • Histopathological examination of aortic tissue and microbiological analysis of pericardial fluid and aortic wall samples.

Main Results:

  • The patient presented with aortic dissection type A, complicated by a fragile, inflamed aortic wall and pericardial effusion.
  • Histology revealed inflammation and bacterial-like material in the aortic media and adventitia.
  • Microbiological analysis identified Dietzia maris in both the pericardial fluid and aortic wall.

Conclusions:

  • Dietzia maris is identified as a potential causative agent in aortic dissection, a finding previously unreported.
  • This case underscores the importance of considering infectious etiologies in aortic pathologies, even with unusual pathogens.
  • The identification of Dietzia maris in aortic tissue provides critical insights into its pathogenic potential in cardiovascular infections.