Interventricular hydatid cyst with atrioventricular block: a case report

Gianclaudio Mecozzi1, Francesco Verunelli, Massimo A Mariani

  • 1Cardiology, Cardiac and Thoracic Department, University of Pisa, Pisa, Italy.

Insights

Cardiac hydatid cysts are rare, but this case highlights the need for surgical intervention. Prompt treatment of heart echinococcosis prevents life-threatening complications like rupture and anaphylaxis.

Area of Science:

  • Cardiology
  • Parasitology
  • Infectious Diseases

Background:

  • Hydatid cysts in the heart are uncommon, accounting for approximately 3% of human echinococcosis cases.
  • Cardiac echinococcosis can lead to severe complications, including atrioventricular block.

Observation:

  • A 21-year-old female presented with third-degree atrioventricular block.
  • Echocardiography revealed a 2.5 cm cystic mass in the interventricular septum.
  • Serological tests confirmed Echinococcus infection.

Findings:

  • Surgical intervention was performed for the cardiac hydatid cyst.
  • The cystic cavity was sterilized with formaldehyde before cyst removal.
  • The patient required pacemaker implantation due to the atrioventricular block.

Implications:

  • Cardiac hydatid cysts necessitate surgical management to avoid fatal outcomes.
  • Potential complications include cystic rupture, embolic events, and anaphylactic shock.
  • Early diagnosis and treatment are crucial for managing cardiac echinococcosis.

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