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Cardiac echinococcosis with negative serologies: a report of two cases

Mehrdad Salehi1, Aliakbar Soleimani

  • 1Cardiac Surgery Ward, Imam Khomeini Hospital, Medical Sciences, University of Tehran, Iran.

Heart, Lung & Circulation
|December 18, 2007
PubMed

Insights

Cardiac hydatid cysts are rare, especially after prior surgeries. Two cases highlight the need for vigilant monitoring to detect new Echinococcosis formations in the heart and other organs.

Area of Science:

  • Medicine
  • Parasitology
  • Cardiology

Background:

  • Hydatid cyst disease, caused by Echinococcus granulosus, rarely affects the heart (approx. 2% of cases).
  • Serologic tests can be negative in some hydatid cyst cases, complicating diagnosis.
  • Recurrence or new cyst formation can occur even after surgical removal of existing cysts.

Observation:

  • Two cases of cardiac hydatid cysts are presented, both with initially negative serologic tests.
  • Case 1: Liver hydatid cyst surgery followed by cardiac symptoms 10 years later.
  • Case 2: Brain and breast hydatid cyst surgeries preceded cardiac cyst diagnosis 3 years later.

Findings:

  • Transthoracic two-dimensional echocardiography was crucial for diagnosing cardiac hydatid cysts in both patients.
  • Surgical excision and histological examination confirmed the diagnosis in both instances.
  • These cases demonstrate rare instances of cardiac localization of hydatid cysts post-surgery.

Implications:

  • Highlights the importance of considering hydatid disease in cardiac presentations, even with negative serology.
  • Stresses the need for long-term, comprehensive patient follow-up after hydatid cyst surgery.
  • Emphasizes vigilant re-evaluation for new hydatid cyst development in the heart and other sites due to Echinococcosis.

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