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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.
Abstract:
Hydatid cyst in the heart is rare, occurring in about 3% of human echinococcosis. A 21-year-old woman was admitted to hospital with a third degree atrioventricular block. Echocardiography showed a cystic mass with a diameter of 2.5 cm within the interventricular septum. Serologic testing for Echinococcus was clearly positive, and hence cardiac surgery was planned. Sterilization of the cystic cavity was achieved by injecting formaldehyde solution in the cavity before cystectomy. Definitive pacemaker implantation was necessary before discharge. Cardiac hydatid cysts constitute an indication for surgery which is necessary to prevent potentially lethal complications such as cystic rupture with embolic phenomena and anaphylactic shock.
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