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Valvular fibroelastomas complicated by Coxiella burnetti endocarditis

Eyal Meltzer1,2, Tawfiq Abu Al-Rub1, Rafael Kuperstein3

  • 1Department of Medicine C, The Chaim Sheba Medical Center, Tel Hashomer, Israel.

American Heart Journal Plus : Cardiology Research and Practice
|March 29, 2024
PubMed

Insights

Cardiac papillary fibroelastoma, a heart valve tumor, can mimic infective endocarditis (IE). A case complicated by Coxiella burnetti IE demonstrates diagnostic challenges and limitations of current criteria.

Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Infectious Diseases

Background:

  • Cardiac papillary fibroelastoma (CPF) is a rare, benign cardiac tumor.
  • CPFs can present with embolic events or symptoms mimicking other cardiac conditions.
  • Infective endocarditis (IE) is a serious infection that can be difficult to diagnose.

Purpose of the Study:

  • To report a case of cardiac papillary fibroelastoma complicated by Coxiella burnetti infective endocarditis.
  • To highlight the diagnostic challenges and limitations of Duke's criteria in such cases.

Main Methods:

  • Case report detailing clinical presentation, diagnostic workup, and management.
  • Review of relevant literature on CPF and IE.

Main Results:

  • The patient presented with symptoms suggestive of IE, complicating the diagnosis of CPF.
  • Duke's criteria were inconsistently applied, leading to diagnostic uncertainty.
  • The final diagnosis required a combination of clinical, microbiological, and imaging findings.

Conclusions:

  • CPF can mimic IE, posing significant diagnostic challenges.
  • Current diagnostic criteria for IE may be insufficient in cases involving underlying cardiac tumors.
  • Multidisciplinary evaluation is crucial for accurate diagnosis and management.
Keywords:
Coxiella burnettiEndocarditis/diagnosisInfective endocarditisPapillary fibroelastomaPrimary cardiac tumor

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